From 9b5a9e0d6897ab48cb5d68ea82093ee6dc5bcdf5 Mon Sep 17 00:00:00 2001 From: Saurov Chandra Biswas <48715910+souravbiswassanto@users.noreply.github.com> Date: Wed, 18 Dec 2024 19:06:10 +0600 Subject: [PATCH] Wait for wal to be available (#39) Signed-off-by: souravbiswassanto --- role_scripts/13/standby/remote-replica.sh | 1 - role_scripts/17/primary/db.sh | 22 + role_scripts/17/primary/postgresql.conf | 816 +++++++++++++++++++++ role_scripts/17/primary/run.sh | 35 + role_scripts/17/primary/start.sh | 267 +++++++ role_scripts/17/standby/ha_backup_job.sh | 246 +++++++ role_scripts/17/standby/postgresql.conf | 818 ++++++++++++++++++++++ role_scripts/17/standby/remote-replica.sh | 210 ++++++ role_scripts/17/standby/run.sh | 293 ++++++++ role_scripts/17/standby/warm_stanby.sh | 198 ++++++ scripts/restore.sh | 28 +- 11 files changed, 2928 insertions(+), 6 deletions(-) create mode 100755 role_scripts/17/primary/db.sh create mode 100755 role_scripts/17/primary/postgresql.conf create mode 100755 role_scripts/17/primary/run.sh create mode 100755 role_scripts/17/primary/start.sh create mode 100755 role_scripts/17/standby/ha_backup_job.sh create mode 100755 role_scripts/17/standby/postgresql.conf create mode 100755 role_scripts/17/standby/remote-replica.sh create mode 100755 role_scripts/17/standby/run.sh create mode 100755 role_scripts/17/standby/warm_stanby.sh diff --git a/role_scripts/13/standby/remote-replica.sh b/role_scripts/13/standby/remote-replica.sh index dfdcb44..34fed89 100755 --- a/role_scripts/13/standby/remote-replica.sh +++ b/role_scripts/13/standby/remote-replica.sh @@ -205,7 +205,6 @@ else { echo 'host all all ::/0 md5'; } >>tmp/pg_hba.conf { echo 'host replication postgres ::/0 md5'; } >>tmp/pg_hba.conf fi - fi mv /tmp/pg_hba.conf "$PGDATA/pg_hba.conf" diff --git a/role_scripts/17/primary/db.sh b/role_scripts/17/primary/db.sh new file mode 100755 index 0000000..61dbc90 --- /dev/null +++ b/role_scripts/17/primary/db.sh @@ -0,0 +1,22 @@ +#!/usr/bin/env bash + +# Copyright AppsCode Inc. and Contributors +# +# Licensed under the AppsCode Free Trial License 1.0.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# https://github.com/appscode/licenses/raw/1.0.0/AppsCode-Free-Trial-1.0.0.md +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +psql -c 'create database test;' +psql -c 'CREATE TABLE fruits( id SERIAL PRIMARY KEY, name VARCHAR NOT NULL );' +while true; do + sleep 1 + psql -c "INSERT INTO fruits(name) VALUES('Orange');" +done diff --git a/role_scripts/17/primary/postgresql.conf b/role_scripts/17/primary/postgresql.conf new file mode 100755 index 0000000..f3749c6 --- /dev/null +++ b/role_scripts/17/primary/postgresql.conf @@ -0,0 +1,816 @@ +# ----------------------------- +# PostgreSQL configuration file +# ----------------------------- +# +# This file consists of lines of the form: +# +# name = value +# +# (The "=" is optional.) Whitespace may be used. Comments are introduced with +# "#" anywhere on a line. The complete list of parameter names and allowed +# values can be found in the PostgreSQL documentation. +# +# The commented-out settings shown in this file represent the default values. +# Re-commenting a setting is NOT sufficient to revert it to the default value; +# you need to reload the server. +# +# This file is read on server startup and when the server receives a SIGHUP +# signal. If you edit the file on a running system, you have to SIGHUP the +# server for the changes to take effect, run "pg_ctl reload", or execute +# "SELECT pg_reload_conf()". Some parameters, which are marked below, +# require a server shutdown and restart to take effect. +# +# Any parameter can also be given as a command-line option to the server, e.g., +# "postgres -c log_connections=on". Some parameters can be changed at run time +# with the "SET" SQL command. +# +# Memory units: B = bytes Time units: us = microseconds +# kB = kilobytes ms = milliseconds +# MB = megabytes s = seconds +# GB = gigabytes min = minutes +# TB = terabytes h = hours +# d = days + + +#------------------------------------------------------------------------------ +# FILE LOCATIONS +#------------------------------------------------------------------------------ + +# The default values of these variables are driven from the -D command-line +# option or PGDATA environment variable, represented here as ConfigDir. + +#data_directory = 'ConfigDir' # use data in another directory + # (change requires restart) +#hba_file = 'ConfigDir/pg_hba.conf' # host-based authentication file + # (change requires restart) +#ident_file = 'ConfigDir/pg_ident.conf' # ident configuration file + # (change requires restart) + +# If external_pid_file is not explicitly set, no extra PID file is written. +#external_pid_file = '' # write an extra PID file + # (change requires restart) + + +#------------------------------------------------------------------------------ +# CONNECTIONS AND AUTHENTICATION +#------------------------------------------------------------------------------ + +# - Connection Settings - + +listen_addresses = '*' # what IP address(es) to listen on; + # comma-separated list of addresses; + # defaults to 'localhost'; use '*' for all + # (change requires restart) +#port = 5432 # (change requires restart) +max_connections = 100 # (change requires restart) +#superuser_reserved_connections = 3 # (change requires restart) +#unix_socket_directories = '/tmp' # comma-separated list of directories + # (change requires restart) +#unix_socket_group = '' # (change requires restart) +#unix_socket_permissions = 0777 # begin with 0 to use octal notation + # (change requires restart) +#bonjour = off # advertise server via Bonjour + # (change requires restart) +#bonjour_name = '' # defaults to the computer name + # (change requires restart) + +# - TCP settings - +# see "man tcp" for details + +#tcp_keepalives_idle = 0 # TCP_KEEPIDLE, in seconds; + # 0 selects the system default +#tcp_keepalives_interval = 0 # TCP_KEEPINTVL, in seconds; + # 0 selects the system default +#tcp_keepalives_count = 0 # TCP_KEEPCNT; + # 0 selects the system default +#tcp_user_timeout = 0 # TCP_USER_TIMEOUT, in milliseconds; + # 0 selects the system default + +#client_connection_check_interval = 0 # time between checks for client + # disconnection while running queries; + # 0 for never + +# - Authentication - + +#authentication_timeout = 1min # 1s-600s +#password_encryption = scram-sha-256 # scram-sha-256 or md5 +#db_user_namespace = off + +# GSSAPI using Kerberos +#krb_server_keyfile = 'FILE:${sysconfdir}/krb5.keytab' +#krb_caseins_users = off + +# - SSL - + +#ssl = off +#ssl_ca_file = '' +#ssl_cert_file = 'server.crt' +#ssl_crl_file = '' +#ssl_crl_dir = '' +#ssl_key_file = 'server.key' +#ssl_ciphers = 'HIGH:MEDIUM:+3DES:!aNULL' # allowed SSL ciphers +#ssl_prefer_server_ciphers = on +#ssl_ecdh_curve = 'prime256v1' +#ssl_min_protocol_version = 'TLSv1.2' +#ssl_max_protocol_version = '' +#ssl_dh_params_file = '' +#ssl_passphrase_command = '' +#ssl_passphrase_command_supports_reload = off + + +#------------------------------------------------------------------------------ +# RESOURCE USAGE (except WAL) +#------------------------------------------------------------------------------ + +# - Memory - + +#shared_buffers = 128MB # min 128kB + # (change requires restart) +#huge_pages = try # on, off, or try + # (change requires restart) +#huge_page_size = 0 # zero for system default + # (change requires restart) +#temp_buffers = 8MB # min 800kB +#max_prepared_transactions = 0 # zero disables the feature + # (change requires restart) +# Caution: it is not advisable to set max_prepared_transactions nonzero unless +# you actively intend to use prepared transactions. +#work_mem = 4MB # min 64kB +#hash_mem_multiplier = 2.0 # 1-1000.0 multiplier on hash table work_mem +#maintenance_work_mem = 64MB # min 1MB +#autovacuum_work_mem = -1 # min 1MB, or -1 to use maintenance_work_mem +#logical_decoding_work_mem = 64MB # min 64kB +#max_stack_depth = 2MB # min 100kB +#shared_memory_type = mmap # the default is the first option + # supported by the operating system: + # mmap + # sysv + # windows + # (change requires restart) +dynamic_shared_memory_type = posix # the default is usually the first option + # supported by the operating system: + # posix + # sysv + # windows + # mmap + # (change requires restart) +#min_dynamic_shared_memory = 0MB # (change requires restart) + +# - Disk - + +#temp_file_limit = -1 # limits per-process temp file space + # in kilobytes, or -1 for no limit + +# - Kernel Resources - + +#max_files_per_process = 1000 # min 64 + # (change requires restart) + +# - Cost-Based Vacuum Delay - + +#vacuum_cost_delay = 0 # 0-100 milliseconds (0 disables) +#vacuum_cost_page_hit = 1 # 0-10000 credits +#vacuum_cost_page_miss = 2 # 0-10000 credits +#vacuum_cost_page_dirty = 20 # 0-10000 credits +#vacuum_cost_limit = 200 # 1-10000 credits + +# - Background Writer - + +#bgwriter_delay = 200ms # 10-10000ms between rounds +#bgwriter_lru_maxpages = 100 # max buffers written/round, 0 disables +#bgwriter_lru_multiplier = 2.0 # 0-10.0 multiplier on buffers scanned/round +#bgwriter_flush_after = 0 # measured in pages, 0 disables + +# - Asynchronous Behavior - + +#backend_flush_after = 0 # measured in pages, 0 disables +#effective_io_concurrency = 1 # 1-1000; 0 disables prefetching +#maintenance_io_concurrency = 10 # 1-1000; 0 disables prefetching +#max_worker_processes = 8 # (change requires restart) +#max_parallel_workers_per_gather = 2 # taken from max_parallel_workers +#max_parallel_maintenance_workers = 2 # taken from max_parallel_workers +#max_parallel_workers = 8 # maximum number of max_worker_processes that + # can be used in parallel operations +#parallel_leader_participation = on +#old_snapshot_threshold = -1 # 1min-60d; -1 disables; 0 is immediate + # (change requires restart) + + +#------------------------------------------------------------------------------ +# WRITE-AHEAD LOG +#------------------------------------------------------------------------------ + +# - Settings - + +#wal_level = replica # minimal, replica, or logical + # (change requires restart) +#fsync = on # flush data to disk for crash safety + # (turning this off can cause + # unrecoverable data corruption) +#synchronous_commit = on # synchronization level; + # off, local, remote_write, remote_apply, or on +#wal_sync_method = fsync # the default is the first option + # supported by the operating system: + # open_datasync + # fdatasync (default on Linux and FreeBSD) + # fsync + # fsync_writethrough + # open_sync +#full_page_writes = on # recover from partial page writes +#wal_log_hints = off # also do full page writes of non-critical updates + # (change requires restart) +#wal_compression = off # enables compression of full-page writes; + # off, pglz, lz4, zstd, or on +#wal_init_zero = on # zero-fill new WAL files +#wal_recycle = on # recycle WAL files +#wal_buffers = -1 # min 32kB, -1 sets based on shared_buffers + # (change requires restart) +#wal_writer_delay = 200ms # 1-10000 milliseconds +#wal_writer_flush_after = 1MB # measured in pages, 0 disables +#wal_skip_threshold = 2MB + +#commit_delay = 0 # range 0-100000, in microseconds +#commit_siblings = 5 # range 1-1000 + +# - Checkpoints - + +#checkpoint_timeout = 5min # range 30s-1d +#checkpoint_completion_target = 0.9 # checkpoint target duration, 0.0 - 1.0 +#checkpoint_flush_after = 0 # measured in pages, 0 disables +#checkpoint_warning = 30s # 0 disables +#max_wal_size = 1GB +#min_wal_size = 80MB + +# - Prefetching during recovery - + +#recovery_prefetch = try # prefetch pages referenced in the WAL? +#wal_decode_buffer_size = 512kB # lookahead window used for prefetching + # (change requires restart) + +# - Archiving - + +#archive_mode = off # enables archiving; off, on, or always + # (change requires restart) +#archive_library = '' # library to use to archive a WAL file + # (empty string indicates archive_command should + # be used) +#archive_command = '' # command to use to archive a WAL file + # placeholders: %p = path of file to archive + # %f = file name only + # e.g. 'test ! -f /mnt/server/archivedir/%f && cp %p /mnt/server/archivedir/%f' +#archive_timeout = 0 # force a WAL file switch after this + # number of seconds; 0 disables + +# - Archive Recovery - + +# These are only used in recovery mode. + +#restore_command = '' # command to use to restore an archived WAL file + # placeholders: %p = path of file to restore + # %f = file name only + # e.g. 'cp /mnt/server/archivedir/%f %p' +#archive_cleanup_command = '' # command to execute at every restartpoint +#recovery_end_command = '' # command to execute at completion of recovery + +# - Recovery Target - + +# Set these only when performing a targeted recovery. + +#recovery_target = '' # 'immediate' to end recovery as soon as a + # consistent state is reached + # (change requires restart) +#recovery_target_name = '' # the named restore point to which recovery will proceed + # (change requires restart) +#recovery_target_time = '' # the time stamp up to which recovery will proceed + # (change requires restart) +#recovery_target_xid = '' # the transaction ID up to which recovery will proceed + # (change requires restart) +#recovery_target_lsn = '' # the WAL LSN up to which recovery will proceed + # (change requires restart) +#recovery_target_inclusive = on # Specifies whether to stop: + # just after the specified recovery target (on) + # just before the recovery target (off) + # (change requires restart) +#recovery_target_timeline = 'latest' # 'current', 'latest', or timeline ID + # (change requires restart) +#recovery_target_action = 'pause' # 'pause', 'promote', 'shutdown' + # (change requires restart) + + +#------------------------------------------------------------------------------ +# REPLICATION +#------------------------------------------------------------------------------ + +# - Sending Servers - + +# Set these on the primary and on any standby that will send replication data. + +#max_wal_senders = 10 # max number of walsender processes + # (change requires restart) +#max_replication_slots = 10 # max number of replication slots + # (change requires restart) +#wal_keep_size = 0 # in megabytes; 0 disables +#max_slot_wal_keep_size = -1 # in megabytes; -1 disables +#wal_sender_timeout = 60s # in milliseconds; 0 disables +#track_commit_timestamp = off # collect timestamp of transaction commit + # (change requires restart) + +# - Primary Server - + +# These settings are ignored on a standby server. + +#synchronous_standby_names = '' # standby servers that provide sync rep + # method to choose sync standbys, number of sync standbys, + # and comma-separated list of application_name + # from standby(s); '*' = all +# - Standby Servers - + +# These settings are ignored on a primary server. + +#primary_conninfo = '' # connection string to sending server +#primary_slot_name = '' # replication slot on sending server +#hot_standby = on # "off" disallows queries during recovery + # (change requires restart) +#max_standby_archive_delay = 30s # max delay before canceling queries + # when reading WAL from archive; + # -1 allows indefinite delay +#max_standby_streaming_delay = 30s # max delay before canceling queries + # when reading streaming WAL; + # -1 allows indefinite delay +#wal_receiver_create_temp_slot = off # create temp slot if primary_slot_name + # is not set +#wal_receiver_status_interval = 10s # send replies at least this often + # 0 disables +#hot_standby_feedback = off # send info from standby to prevent + # query conflicts +#wal_receiver_timeout = 60s # time that receiver waits for + # communication from primary + # in milliseconds; 0 disables +#wal_retrieve_retry_interval = 5s # time to wait before retrying to + # retrieve WAL after a failed attempt +#recovery_min_apply_delay = 0 # minimum delay for applying changes during recovery + +# - Subscribers - + +# These settings are ignored on a publisher. + +#max_logical_replication_workers = 4 # taken from max_worker_processes + # (change requires restart) +#max_sync_workers_per_subscription = 2 # taken from max_logical_replication_workers + + +#------------------------------------------------------------------------------ +# QUERY TUNING +#------------------------------------------------------------------------------ + +# - Planner Method Configuration - + +#enable_async_append = on +#enable_bitmapscan = on +#enable_gathermerge = on +#enable_hashagg = on +#enable_hashjoin = on +#enable_incremental_sort = on +#enable_indexscan = on +#enable_indexonlyscan = on +#enable_material = on +#enable_memoize = on +#enable_mergejoin = on +#enable_nestloop = on +#enable_parallel_append = on +#enable_parallel_hash = on +#enable_partition_pruning = on +#enable_partitionwise_join = off +#enable_partitionwise_aggregate = off +#enable_seqscan = on +#enable_sort = on +#enable_tidscan = on + +# - Planner Cost Constants - + +#seq_page_cost = 1.0 # measured on an arbitrary scale +#random_page_cost = 4.0 # same scale as above +#cpu_tuple_cost = 0.01 # same scale as above +#cpu_index_tuple_cost = 0.005 # same scale as above +#cpu_operator_cost = 0.0025 # same scale as above +#parallel_setup_cost = 1000.0 # same scale as above +#parallel_tuple_cost = 0.1 # same scale as above +#min_parallel_table_scan_size = 8MB +#min_parallel_index_scan_size = 512kB +#effective_cache_size = 4GB + +#jit_above_cost = 100000 # perform JIT compilation if available + # and query more expensive than this; + # -1 disables +#jit_inline_above_cost = 500000 # inline small functions if query is + # more expensive than this; -1 disables +#jit_optimize_above_cost = 500000 # use expensive JIT optimizations if + # query is more expensive than this; + # -1 disables + +# - Genetic Query Optimizer - + +#geqo = on +#geqo_threshold = 12 +#geqo_effort = 5 # range 1-10 +#geqo_pool_size = 0 # selects default based on effort +#geqo_generations = 0 # selects default based on effort +#geqo_selection_bias = 2.0 # range 1.5-2.0 +#geqo_seed = 0.0 # range 0.0-1.0 + +# - Other Planner Options - + +#default_statistics_target = 100 # range 1-10000 +#constraint_exclusion = partition # on, off, or partition +#cursor_tuple_fraction = 0.1 # range 0.0-1.0 +#from_collapse_limit = 8 +#jit = on # allow JIT compilation +#join_collapse_limit = 8 # 1 disables collapsing of explicit + # JOIN clauses +#plan_cache_mode = auto # auto, force_generic_plan or + # force_custom_plan +#recursive_worktable_factor = 10.0 # range 0.001-1000000 + + +#------------------------------------------------------------------------------ +# REPORTING AND LOGGING +#------------------------------------------------------------------------------ + +# - Where to Log - + +#log_destination = 'stderr' # Valid values are combinations of + # stderr, csvlog, jsonlog, syslog, and + # eventlog, depending on platform. + # csvlog and jsonlog require + # logging_collector to be on. + +# This is used when logging to stderr: +#logging_collector = off # Enable capturing of stderr, jsonlog, + # and csvlog into log files. Required + # to be on for csvlogs and jsonlogs. + # (change requires restart) + +# These are only used if logging_collector is on: +#log_directory = 'log' # directory where log files are written, + # can be absolute or relative to PGDATA +#log_filename = 'postgresql-%Y-%m-%d_%H%M%S.log' # log file name pattern, + # can include strftime() escapes +#log_file_mode = 0600 # creation mode for log files, + # begin with 0 to use octal notation +#log_rotation_age = 1d # Automatic rotation of logfiles will + # happen after that time. 0 disables. +#log_rotation_size = 10MB # Automatic rotation of logfiles will + # happen after that much log output. + # 0 disables. +#log_truncate_on_rotation = off # If on, an existing log file with the + # same name as the new log file will be + # truncated rather than appended to. + # But such truncation only occurs on + # time-driven rotation, not on restarts + # or size-driven rotation. Default is + # off, meaning append to existing files + # in all cases. + +# These are relevant when logging to syslog: +#syslog_facility = 'LOCAL0' +#syslog_ident = 'postgres' +#syslog_sequence_numbers = on +#syslog_split_messages = on + +# This is only relevant when logging to eventlog (Windows): +# (change requires restart) +#event_source = 'PostgreSQL' + +# - When to Log - + +#log_min_messages = warning # values in order of decreasing detail: + # debug5 + # debug4 + # debug3 + # debug2 + # debug1 + # info + # notice + # warning + # error + # log + # fatal + # panic + +#log_min_error_statement = error # values in order of decreasing detail: + # debug5 + # debug4 + # debug3 + # debug2 + # debug1 + # info + # notice + # warning + # error + # log + # fatal + # panic (effectively off) + +#log_min_duration_statement = -1 # -1 is disabled, 0 logs all statements + # and their durations, > 0 logs only + # statements running at least this number + # of milliseconds + +#log_min_duration_sample = -1 # -1 is disabled, 0 logs a sample of statements + # and their durations, > 0 logs only a sample of + # statements running at least this number + # of milliseconds; + # sample fraction is determined by log_statement_sample_rate + +#log_statement_sample_rate = 1.0 # fraction of logged statements exceeding + # log_min_duration_sample to be logged; + # 1.0 logs all such statements, 0.0 never logs + + +#log_transaction_sample_rate = 0.0 # fraction of transactions whose statements + # are logged regardless of their duration; 1.0 logs all + # statements from all transactions, 0.0 never logs + +#log_startup_progress_interval = 10s # Time between progress updates for + # long-running startup operations. + # 0 disables the feature, > 0 indicates + # the interval in milliseconds. + +# - What to Log - + +#debug_print_parse = off +#debug_print_rewritten = off +#debug_print_plan = off +#debug_pretty_print = on +#log_autovacuum_min_duration = 10min # log autovacuum activity; + # -1 disables, 0 logs all actions and + # their durations, > 0 logs only + # actions running at least this number + # of milliseconds. +#log_checkpoints = on +#log_connections = off +#log_disconnections = off +#log_duration = off +#log_error_verbosity = default # terse, default, or verbose messages +#log_hostname = off +#log_line_prefix = '%m [%p] ' # special values: + # %a = application name + # %u = user name + # %d = database name + # %r = remote host and port + # %h = remote host + # %b = backend type + # %p = process ID + # %P = process ID of parallel group leader + # %t = timestamp without milliseconds + # %m = timestamp with milliseconds + # %n = timestamp with milliseconds (as a Unix epoch) + # %Q = query ID (0 if none or not computed) + # %i = command tag + # %e = SQL state + # %c = session ID + # %l = session line number + # %s = session start timestamp + # %v = virtual transaction ID + # %x = transaction ID (0 if none) + # %q = stop here in non-session + # processes + # %% = '%' + # e.g. '<%u%%%d> ' +#log_lock_waits = off # log lock waits >= deadlock_timeout +#log_recovery_conflict_waits = off # log standby recovery conflict waits + # >= deadlock_timeout +#log_parameter_max_length = -1 # when logging statements, limit logged + # bind-parameter values to N bytes; + # -1 means print in full, 0 disables +#log_parameter_max_length_on_error = 0 # when logging an error, limit logged + # bind-parameter values to N bytes; + # -1 means print in full, 0 disables +#log_statement = 'none' # none, ddl, mod, all +#log_replication_commands = off +#log_temp_files = -1 # log temporary files equal or larger + # than the specified size in kilobytes; + # -1 disables, 0 logs all temp files +log_timezone = 'UTC' + +# - Process Title - + +#cluster_name = '' # added to process titles if nonempty + # (change requires restart) +#update_process_title = on + + +#------------------------------------------------------------------------------ +# STATISTICS +#------------------------------------------------------------------------------ + +# - Cumulative Query and Index Statistics - + +#track_activities = on +#track_activity_query_size = 1024 # (change requires restart) +#track_counts = on +#track_io_timing = off +#track_wal_io_timing = off +#track_functions = none # none, pl, all +#stats_fetch_consistency = cache + + +# - Monitoring - + +#compute_query_id = auto +#log_statement_stats = off +#log_parser_stats = off +#log_planner_stats = off +#log_executor_stats = off + + +#------------------------------------------------------------------------------ +# AUTOVACUUM +#------------------------------------------------------------------------------ + +#autovacuum = on # Enable autovacuum subprocess? 'on' + # requires track_counts to also be on. +#autovacuum_max_workers = 3 # max number of autovacuum subprocesses + # (change requires restart) +#autovacuum_naptime = 1min # time between autovacuum runs +#autovacuum_vacuum_threshold = 50 # min number of row updates before + # vacuum +#autovacuum_vacuum_insert_threshold = 1000 # min number of row inserts + # before vacuum; -1 disables insert + # vacuums +#autovacuum_analyze_threshold = 50 # min number of row updates before + # analyze +#autovacuum_vacuum_scale_factor = 0.2 # fraction of table size before vacuum +#autovacuum_vacuum_insert_scale_factor = 0.2 # fraction of inserts over table + # size before insert vacuum +#autovacuum_analyze_scale_factor = 0.1 # fraction of table size before analyze +#autovacuum_freeze_max_age = 200000000 # maximum XID age before forced vacuum + # (change requires restart) +#autovacuum_multixact_freeze_max_age = 400000000 # maximum multixact age + # before forced vacuum + # (change requires restart) +#autovacuum_vacuum_cost_delay = 2ms # default vacuum cost delay for + # autovacuum, in milliseconds; + # -1 means use vacuum_cost_delay +#autovacuum_vacuum_cost_limit = -1 # default vacuum cost limit for + # autovacuum, -1 means use + # vacuum_cost_limit + + +#------------------------------------------------------------------------------ +# CLIENT CONNECTION DEFAULTS +#------------------------------------------------------------------------------ + +# - Statement Behavior - + +#client_min_messages = notice # values in order of decreasing detail: + # debug5 + # debug4 + # debug3 + # debug2 + # debug1 + # log + # notice + # warning + # error +#search_path = '"$user", public' # schema names +#row_security = on +#default_table_access_method = 'heap' +#default_tablespace = '' # a tablespace name, '' uses the default +#default_toast_compression = 'pglz' # 'pglz' or 'lz4' +#temp_tablespaces = '' # a list of tablespace names, '' uses + # only default tablespace +#check_function_bodies = on +#default_transaction_isolation = 'read committed' +#default_transaction_read_only = off +#default_transaction_deferrable = off +#session_replication_role = 'origin' +#statement_timeout = 0 # in milliseconds, 0 is disabled +#lock_timeout = 0 # in milliseconds, 0 is disabled +#idle_in_transaction_session_timeout = 0 # in milliseconds, 0 is disabled +#idle_session_timeout = 0 # in milliseconds, 0 is disabled +#vacuum_freeze_table_age = 150000000 +#vacuum_freeze_min_age = 50000000 +#vacuum_failsafe_age = 1600000000 +#vacuum_multixact_freeze_table_age = 150000000 +#vacuum_multixact_freeze_min_age = 5000000 +#vacuum_multixact_failsafe_age = 1600000000 +#bytea_output = 'hex' # hex, escape +#xmlbinary = 'base64' +#xmloption = 'content' +#gin_pending_list_limit = 4MB + +# - Locale and Formatting - + +datestyle = 'iso, mdy' +#intervalstyle = 'postgres' +timezone = 'UTC' +#timezone_abbreviations = 'Default' # Select the set of available time zone + # abbreviations. Currently, there are + # Default + # Australia (historical usage) + # India + # You can create your own file in + # share/timezonesets/. +#extra_float_digits = 1 # min -15, max 3; any value >0 actually + # selects precise output mode +#client_encoding = sql_ascii # actually, defaults to database + # encoding + +# These settings are initialized by initdb, but they can be changed. +lc_messages = 'en_US.utf8' # locale for system error message + # strings +lc_monetary = 'en_US.utf8' # locale for monetary formatting +lc_numeric = 'en_US.utf8' # locale for number formatting +lc_time = 'en_US.utf8' # locale for time formatting + +# default configuration for text search +default_text_search_config = 'pg_catalog.english' + +# - Shared Library Preloading - + +#local_preload_libraries = '' +#session_preload_libraries = '' +#shared_preload_libraries = '' # (change requires restart) +#jit_provider = 'llvmjit' # JIT library to use + +# - Other Defaults - + +#dynamic_library_path = '$libdir' +#gin_fuzzy_search_limit = 0 + + +#------------------------------------------------------------------------------ +# LOCK MANAGEMENT +#------------------------------------------------------------------------------ + +#deadlock_timeout = 1s +#max_locks_per_transaction = 64 # min 10 + # (change requires restart) +#max_pred_locks_per_transaction = 64 # min 10 + # (change requires restart) +#max_pred_locks_per_relation = -2 # negative values mean + # (max_pred_locks_per_transaction + # / -max_pred_locks_per_relation) - 1 +#max_pred_locks_per_page = 2 # min 0 + + +#------------------------------------------------------------------------------ +# VERSION AND PLATFORM COMPATIBILITY +#------------------------------------------------------------------------------ + +# - Previous PostgreSQL Versions - + +#array_nulls = on +#backslash_quote = safe_encoding # on, off, or safe_encoding +#escape_string_warning = on +#lo_compat_privileges = off +#quote_all_identifiers = off +#standard_conforming_strings = on +#synchronize_seqscans = on + +# - Other Platforms and Clients - + +#transform_null_equals = off + + +#------------------------------------------------------------------------------ +# ERROR HANDLING +#------------------------------------------------------------------------------ + +#exit_on_error = off # terminate session on any error? +#restart_after_crash = on # reinitialize after backend crash? +#data_sync_retry = off # retry or panic on failure to fsync + # data? + # (change requires restart) +#recovery_init_sync_method = fsync # fsync, syncfs (Linux 5.8+) + + +#------------------------------------------------------------------------------ +# CONFIG FILE INCLUDES +#------------------------------------------------------------------------------ + +# These options allow settings to be loaded from files other than the +# default postgresql.conf. Note that these are directives, not variable +# assignments, so they can usefully be given more than once. + +#include_dir = '...' # include files ending in '.conf' from + # a directory, e.g., 'conf.d' +include_if_exists = '/etc/config/user.conf' # include file only if it exists +#include = '...' # include file + + +#------------------------------------------------------------------------------ +# CUSTOMIZED OPTIONS +#------------------------------------------------------------------------------ + +# Add settings for extensions here + +# reserved_connections = 0 +# scram_iterations = 4096 +# gss_accept_delegation = off +# vacuum_buffer_usage_limit = 256kB +# max_parallel_apply_workers_per_subscription = 2 +# enable_presorted_aggregate = on +# createrole_self_grant = "" +# icu_validation_level = warning \ No newline at end of file diff --git a/role_scripts/17/primary/run.sh b/role_scripts/17/primary/run.sh new file mode 100755 index 0000000..1e6cf2a --- /dev/null +++ b/role_scripts/17/primary/run.sh @@ -0,0 +1,35 @@ +#!/usr/bin/env bash + +# Copyright AppsCode Inc. and Contributors +# +# Licensed under the AppsCode Free Trial License 1.0.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# https://github.com/appscode/licenses/raw/1.0.0/AppsCode-Free-Trial-1.0.0.md +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +set -e + +echo "Running as Primary" + +# set password ENV +export PGPASSWORD=${POSTGRES_PASSWORD:-postgres} + +export PGWAL="$PGDATA/pg_wal" + +export ARCHIVE=${ARCHIVE:-} +if [ ! -e "$PGDATA/PG_VERSION" ]; then + mkdir -p "$PGDATA" + rm -rf "$PGDATA"/* + chmod 0700 "$PGDATA" + /scripts/initdb.sh + +fi +/run_scripts/role/start.sh +exec postgres diff --git a/role_scripts/17/primary/start.sh b/role_scripts/17/primary/start.sh new file mode 100755 index 0000000..1afc75c --- /dev/null +++ b/role_scripts/17/primary/start.sh @@ -0,0 +1,267 @@ +#!/bin/bash + +# Copyright AppsCode Inc. and Contributors +# +# Licensed under the AppsCode Free Trial License 1.0.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# https://github.com/appscode/licenses/raw/1.0.0/AppsCode-Free-Trial-1.0.0.md +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# setup postgresql.conf +touch /tmp/postgresql.conf +echo "wal_level = replica" >>/tmp/postgresql.conf +echo "shared_buffers = $SHARED_BUFFERS" >>/tmp/postgresql.conf +echo "max_wal_senders = 90" >>/tmp/postgresql.conf # default is 10. value must be less than max_connections minus superuser_reserved_connections. ref: https://www.postgresql.org/docs/11/runtime-config-replication.html#GUC-MAX-WAL-SENDERS + +# echo "wal_keep_size = 2560" >>/tmp/postgresql.conf +if [ ! -z "${WAL_RETAIN_PARAM:-}" ] && [ ! -z "${WAL_RETAIN_AMOUNT:-}" ]; then + echo "${WAL_RETAIN_PARAM}=${WAL_RETAIN_AMOUNT}" >>/tmp/postgresql.conf +else + echo "wal_keep_size = 2560" >>/tmp/postgresql.conf +fi + +echo "wal_log_hints = on" >>/tmp/postgresql.conf +echo "max_replication_slots = 90" >>/tmp/postgresql.conf +# we are not doing any archiving by default but it's better to have this config in our postgresql.conf file in case of customization. +echo "archive_mode = always" >>/tmp/postgresql.conf +if [[ "${WAL_BACKUP_TYPE:-0}" == "WALG" ]]; then + echo "archive_command = 'cp %p /var/pv/wal_archive/%f'" >>/tmp/postgresql.conf +else + echo "archive_command = '/bin/true'" >>/tmp/postgresql.conf +fi + +echo "shared_preload_libraries = 'pg_stat_statements'" >>/tmp/postgresql.conf + +if [[ "${SSL:-0}" == "ON" ]]; then + echo "ssl =on" >>/tmp/postgresql.conf + echo "ssl_cert_file ='/tls/certs/server/server.crt'" >>/tmp/postgresql.conf + echo "ssl_key_file ='/tls/certs/server/server.key'" >>/tmp/postgresql.conf + echo "ssl_ca_file ='/tls/certs/server/ca.crt'" >>/tmp/postgresql.conf +fi + +if [[ "$CLIENT_AUTH_MODE" == "md5" ]]; then + echo "password_encryption = md5" >>/tmp/postgresql.conf +fi + +if [[ "$CLIENT_AUTH_MODE" == "scram" ]]; then + echo "password_encryption = scram-sha-256" >>/tmp/postgresql.conf +fi + +# ****************** Recovery config ************************** +echo "recovery_target_timeline = 'latest'" >>/tmp/postgresql.conf +# primary_conninfo is used for streaming replication +if [[ "${SSL:-0}" == "ON" ]]; then + if [[ "$CLIENT_AUTH_MODE" == "cert" ]]; then + echo "primary_conninfo = 'application_name=$HOSTNAME host=$PRIMARY_HOST user=$POSTGRES_USER password=$POSTGRES_PASSWORD sslmode=$SSL_MODE sslrootcert=/tls/certs/client/ca.crt sslcert=/tls/certs/client/client.crt sslkey=/tls/certs/client/client.key'" >>/tmp/postgresql.conf + else + echo "primary_conninfo = 'application_name=$HOSTNAME host=$PRIMARY_HOST user=$POSTGRES_USER password=$POSTGRES_PASSWORD sslmode=$SSL_MODE sslrootcert=/tls/certs/client/ca.crt'" >>/tmp/postgresql.conf + fi +else + echo "primary_conninfo = 'application_name=$HOSTNAME host=$PRIMARY_HOST user=$POSTGRES_USER password=$POSTGRES_PASSWORD'" >>/tmp/postgresql.conf +fi + +cat /run_scripts/role/postgresql.conf >>/tmp/postgresql.conf +mv /tmp/postgresql.conf "$PGDATA/postgresql.conf" + +# setup pg_hba.conf for initial start. this one is just for initialization +touch /tmp/pg_hba.conf +{ echo '#TYPE DATABASE USER ADDRESS METHOD'; } >>tmp/pg_hba.conf +{ echo '# "local" is for Unix domain socket connections only'; } >>tmp/pg_hba.conf +{ echo 'local all all trust'; } >>tmp/pg_hba.conf +{ echo '# IPv4 local connections:'; } >>tmp/pg_hba.conf +{ echo 'host all all 127.0.0.1/32 trust'; } >>tmp/pg_hba.conf +mv /tmp/pg_hba.conf "$PGDATA/pg_hba.conf" + +# start postgres +pg_ctl -D "$PGDATA" -w start + +export POSTGRES_USER=${POSTGRES_USER:-postgres} +export POSTGRES_DB=${POSTGRES_DB:-$POSTGRES_USER} +export POSTGRES_PASSWORD=${POSTGRES_PASSWORD:-postgres} + +psql=(psql -v ON_ERROR_STOP=1) + +# create database with specified name +if [ "$POSTGRES_DB" != "postgres" ]; then + "${psql[@]}" --username postgres <<-EOSQL +CREATE DATABASE "$POSTGRES_DB" ; +EOSQL + echo +fi + +if [ "$POSTGRES_USER" = "postgres" ]; then + op="ALTER" +else + op="CREATE" +fi + +# alter postgres superuser +"${psql[@]}" --username postgres <<-EOSQL + $op USER "$POSTGRES_USER" WITH SUPERUSER PASSWORD '$POSTGRES_PASSWORD'; +EOSQL +echo + +psql+=(--username "$POSTGRES_USER" --dbname "$POSTGRES_DB") +echo + +# initialize database +for f in "$INITDB"/*; do + case "$f" in + *.sh) + echo "$0: running $f" + . "$f" + ;; + *.sql) + echo "$0: running $f" + "${psql[@]}" -f "$f" + echo + ;; + *.sql.gz) + echo "$0: running $f" + gunzip -c "$f" | "${psql[@]}" + echo + ;; + *) echo "$0: ignoring $f" ;; + esac + echo +done + +# stop server +pg_ctl promote +pg_ctl -D "$PGDATA" -m fast -w stop + +# setup pg_hba.conf +touch /tmp/pg_hba.conf +{ echo '#TYPE DATABASE USER ADDRESS METHOD'; } >>tmp/pg_hba.conf +{ echo '# "local" is for Unix domain socket connections only'; } >>tmp/pg_hba.conf +{ echo 'local all all trust'; } >>tmp/pg_hba.conf + +if [[ "${SSL:-0}" == "ON" ]]; then + if [[ "$CLIENT_AUTH_MODE" == "cert" ]]; then + #*******************client auth with client.crt and key************** + + { echo '# IPv4 local connections:'; } >>tmp/pg_hba.conf + { echo 'hostssl all all 127.0.0.1/32 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + { echo '# IPv6 local connections:'; } >>tmp/pg_hba.conf + { echo 'hostssl all all ::1/128 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + + { echo 'local replication all trust'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all 127.0.0.1/32 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all ::1/128 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + + { echo 'hostssl all all 0.0.0.0/0 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + { echo 'hostssl replication postgres 0.0.0.0/0 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + { echo 'hostssl all all ::/0 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + { echo 'hostssl replication postgres ::/0 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all 0.0.0.0/0 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all ::/0 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + elif [[ "$CLIENT_AUTH_MODE" == "scram" ]]; then + { echo '# IPv4 local connections:'; } >>tmp/pg_hba.conf + { echo 'hostssl all all 127.0.0.1/32 scram-sha-256'; } >>tmp/pg_hba.conf + { echo '# IPv6 local connections:'; } >>tmp/pg_hba.conf + { echo 'hostssl all all ::1/128 scram-sha-256'; } >>tmp/pg_hba.conf + + { echo 'local replication all trust'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all 127.0.0.1/32 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all ::1/128 scram-sha-256'; } >>tmp/pg_hba.conf + + { echo 'hostssl all all 0.0.0.0/0 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'hostssl replication postgres 0.0.0.0/0 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'hostssl all all ::/0 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'hostssl replication postgres ::/0 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all 0.0.0.0/0 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all ::/0 scram-sha-256'; } >>tmp/pg_hba.conf + else + { echo '# IPv4 local connections:'; } >>tmp/pg_hba.conf + { echo 'hostssl all all 127.0.0.1/32 md5'; } >>tmp/pg_hba.conf + { echo '# IPv6 local connections:'; } >>tmp/pg_hba.conf + { echo 'hostssl all all ::1/128 md5'; } >>tmp/pg_hba.conf + + { echo 'local replication all trust'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all 127.0.0.1/32 md5'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all ::1/128 md5'; } >>tmp/pg_hba.conf + + { echo 'hostssl all all 0.0.0.0/0 md5'; } >>tmp/pg_hba.conf + { echo 'hostssl replication postgres 0.0.0.0/0 md5'; } >>tmp/pg_hba.conf + { echo 'hostssl all all ::/0 md5'; } >>tmp/pg_hba.conf + { echo 'hostssl replication postgres ::/0 md5'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all 0.0.0.0/0 md5'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all ::/0 md5'; } >>tmp/pg_hba.conf + fi + +else + if [[ "$CLIENT_AUTH_MODE" == "scram" ]]; then + { echo '# IPv4 local connections:'; } >>tmp/pg_hba.conf + { echo 'host all all 127.0.0.1/32 trust'; } >>tmp/pg_hba.conf + { echo '# IPv6 local connections:'; } >>tmp/pg_hba.conf + { echo 'host all all ::1/128 scram-sha-256'; } >>tmp/pg_hba.conf + + { echo 'local replication all scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'host replication all 127.0.0.1/32 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'host replication all ::1/128 scram-sha-256'; } >>tmp/pg_hba.conf + + { echo 'host all all 0.0.0.0/0 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'host replication postgres 0.0.0.0/0 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'host all all ::/0 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'host replication postgres ::/0 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'host replication all 0.0.0.0/0 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'host replication all ::/0 scram-sha-256'; } >>tmp/pg_hba.conf + else + { echo '# IPv4 local connections:'; } >>tmp/pg_hba.conf + { echo 'host all all 127.0.0.1/32 trust'; } >>tmp/pg_hba.conf + { echo '# IPv6 local connections:'; } >>tmp/pg_hba.conf + { echo 'host all all ::1/128 trust'; } >>tmp/pg_hba.conf + + { echo 'local replication all trust'; } >>tmp/pg_hba.conf + { echo 'host replication all 127.0.0.1/32 md5'; } >>tmp/pg_hba.conf + { echo 'host replication all ::1/128 md5'; } >>tmp/pg_hba.conf + + { echo 'host all all 0.0.0.0/0 md5'; } >>tmp/pg_hba.conf + { echo 'host replication postgres 0.0.0.0/0 md5'; } >>tmp/pg_hba.conf + { echo 'host all all ::/0 md5'; } >>tmp/pg_hba.conf + { echo 'host replication postgres ::/0 md5'; } >>tmp/pg_hba.conf + { echo 'host replication all 0.0.0.0/0 md5'; } >>tmp/pg_hba.conf + { echo 'host replication all ::/0 md5'; } >>tmp/pg_hba.conf + fi + +fi + +mv /tmp/pg_hba.conf "$PGDATA/pg_hba.conf" + +touch /tmp/postgresql.conf +if [ "$STANDBY" == "hot" ]; then + echo "hot_standby = on" >>/tmp/postgresql.conf +else + echo "hot_standby = off" >>/tmp/postgresql.conf +fi +if [[ "$STREAMING" == "synchronous" ]]; then + # setup synchronous streaming replication + echo "synchronous_commit = remote_write" >>/tmp/postgresql.conf + + # https://stackoverflow.com/a/44092231/244009 + self_idx=$(echo $HOSTNAME | grep -Eo '[0-9]+$') + echo "$self_idx" + + shopt -s extglob + sts_prefix=${HOSTNAME%%+([0-9])} + names="" + for ((i = 0; i < $REPLICAS; i++)); do + if [[ $self_idx == $i ]]; then + echo "skip $i" + else + names+="\"$sts_prefix$i\"," + fi + done + names=$(echo "$names" | rev | cut -c2- | rev) + echo "synchronous_standby_names = 'ANY 1 ("$names")'" >>/tmp/postgresql.conf +fi + +# ref: https://superuser.com/a/246841/985093 +cat /tmp/postgresql.conf $PGDATA/postgresql.conf >"/tmp/postgresql.conf.tmp" && mv "/tmp/postgresql.conf.tmp" "$PGDATA/postgresql.conf" diff --git a/role_scripts/17/standby/ha_backup_job.sh b/role_scripts/17/standby/ha_backup_job.sh new file mode 100755 index 0000000..201fc36 --- /dev/null +++ b/role_scripts/17/standby/ha_backup_job.sh @@ -0,0 +1,246 @@ +#!/usr/bin/env bash + +# Copyright AppsCode Inc. and Contributors +# +# Licensed under the AppsCode Free Trial License 1.0.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# https://github.com/appscode/licenses/raw/1.0.0/AppsCode-Free-Trial-1.0.0.md +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +set -eou pipefail + +## this script take base backup and join as an replica . the script was introduced move postrgres standalone to High avialibility. +echo "Running as base backup job and joining as replica" + +# set password ENV +export PGPASSWORD=${POSTGRES_PASSWORD:-postgres} + +# Waiting for running Postgres +while true; do + echo "Attempting pg_isready on primary" + + if [[ "${SSL:-0}" == "ON" ]]; then + if [[ "$CLIENT_AUTH_MODE" == "cert" ]]; then + if [[ $SSL_MODE = "verify-full" || $SSL_MODE = "verify-ca" ]]; then + pg_isready --host="$PRIMARY_HOST" -d "sslmode=$SSL_MODE sslrootcert=/tls/certs/client/ca.crt sslcert=/tls/certs/client/client.crt sslkey=/tls/certs/client/client.key" --username=postgres --timeout=2 &>/dev/null && break + else + pg_isready --host="$PRIMARY_HOST" -d "sslmode=$SSL_MODE sslcert=/tls/certs/client/client.crt sslkey=/tls/certs/client/client.key" --username=postgres --timeout=2 &>/dev/null && break + fi + else + if [[ $SSL_MODE = "verify-full" || $SSL_MODE = "verify-ca" ]]; then + pg_isready --host="$PRIMARY_HOST" -d "sslmode=$SSL_MODE sslrootcert=/tls/certs/client/ca.crt" --username=postgres --timeout=2 &>/dev/null && break + else + pg_isready --host="$PRIMARY_HOST" --username=postgres --timeout=2 &>/dev/null && break + fi + fi + else + pg_isready --host="$PRIMARY_HOST" --username=postgres --timeout=2 &>/dev/null && break + fi + +done + +while true; do + echo "Attempting query on primary" + if [[ "${SSL:-0}" == "ON" ]]; then + psql -h "$PRIMARY_HOST" --username=postgres "sslmode=$SSL_MODE sslrootcert=/tls/certs/client/ca.crt sslcert=/tls/certs/client/client.crt sslkey=/tls/certs/client/client.key" --command="select now();" &>/dev/null && break + else + psql -h "$PRIMARY_HOST" --username=postgres --no-password --command="select now();" &>/dev/null && break + fi + +done + +if [[ ! -e "$PGDATA/PG_VERSION" ]]; then + echo "take base basebackup..." + mkdir -p "$PGDATA" + rm -rf "$PGDATA"/* + chmod 0700 "$PGDATA" + if [[ "${SSL:-0}" == "ON" ]]; then + pg_basebackup -X fetch --pgdata "$PGDATA" --username=postgres --progress --host="$PRIMARY_HOST" -d "sslmode=$SSL_MODE sslrootcert=/tls/certs/client/ca.crt sslcert=/tls/certs/client/client.crt sslkey=/tls/certs/client/client.key" + else + pg_basebackup -X fetch --no-password --pgdata "$PGDATA" --username=postgres --progress --host="$PRIMARY_HOST" + fi +fi + +# setup postgresql.conf +touch /tmp/postgresql.conf +echo "wal_level = replica" >>/tmp/postgresql.conf +echo "shared_buffers = $SHARED_BUFFERS" >>/tmp/postgresql.conf +echo "max_wal_senders = 90" >>/tmp/postgresql.conf # default is 10. value must be less than max_connections minus superuser_reserved_connections. ref: https://www.postgresql.org/docs/11/runtime-config-replication.html#GUC-MAX-WAL-SENDERS + +# echo "wal_keep_size = 2560" >>/tmp/postgresql.conf #it was "wal_keep_segments" in earlier version. changed in version 13 +if [ ! -z "${WAL_RETAIN_PARAM:-}" ] && [ ! -z "${WAL_RETAIN_AMOUNT:-}" ]; then + echo "${WAL_RETAIN_PARAM}=${WAL_RETAIN_AMOUNT}" >>/tmp/postgresql.conf +else + echo "wal_keep_size = 2560" >>/tmp/postgresql.conf +fi +if [[ "$WAL_LIMIT_POLICY" == "ReplicationSlot" ]]; then + CLEAN_HOSTNAME="${HOSTNAME//[^[:alnum:]]/}" + echo "primary_slot_name = "$CLEAN_HOSTNAME"" >>/tmp/postgresql.conf +fi +echo "max_replication_slots = 90" >>/tmp/postgresql.conf +echo "wal_log_hints = on" >>/tmp/postgresql.conf + +# we are not doing any archiving by default but it's better to have this config in our postgresql.conf file in case of customization. +echo "archive_mode = always" >>/tmp/postgresql.conf +echo "archive_command = '/bin/true'" >>/tmp/postgresql.conf + +echo "shared_preload_libraries = 'pg_stat_statements'" >>/tmp/postgresql.conf + +if [ "$STANDBY" == "hot" ]; then + echo "hot_standby = on" >>/tmp/postgresql.conf +else + echo "hot_standby = off" >>/tmp/postgresql.conf +fi + +if [[ "$STREAMING" == "synchronous" ]]; then + # setup synchronous streaming replication + echo "synchronous_commit = remote_write" >>/tmp/postgresql.conf + + # https://stackoverflow.com/a/44092231/244009 + self_idx=$(echo $HOSTNAME | grep -Eo '[0-9]+$') + echo "$self_idx" + + shopt -s extglob + sts_prefix=${HOSTNAME%%+([0-9])} + names="" + for ((i = 0; i < $REPLICAS; i++)); do + if [[ $self_idx == $i ]]; then + echo "skip $i" + else + names+="\"$sts_prefix$i\"," + fi + done + names=$(echo "$names" | rev | cut -c2- | rev) + echo "synchronous_standby_names = 'ANY 1 ("$names")'" >>/tmp/postgresql.conf +fi +if [[ "${SSL:-0}" == "ON" ]]; then + echo "ssl = on" >>/tmp/postgresql.conf + + echo "ssl_cert_file = '/tls/certs/server/server.crt'" >>/tmp/postgresql.conf + echo "ssl_key_file = '/tls/certs/server/server.key'" >>/tmp/postgresql.conf + echo "ssl_ca_file = '/tls/certs/server/ca.crt'" >>/tmp/postgresql.conf +fi + +if [[ "$CLIENT_AUTH_MODE" == "scram" ]]; then + echo "password_encryption = scram-sha-256" >>/tmp/postgresql.conf +fi + +# ****************** Recovery config ************************** +echo "recovery_target_timeline = 'latest'" >>/tmp/postgresql.conf +# primary_conninfo is used for streaming replication +if [[ "${SSL:-0}" == "ON" ]]; then + if [[ "$CLIENT_AUTH_MODE" == "cert" ]]; then + echo "primary_conninfo = 'application_name=$HOSTNAME host=$PRIMARY_HOST user=$POSTGRES_USER password=$POSTGRES_PASSWORD sslmode=$SSL_MODE sslrootcert=/tls/certs/client/ca.crt sslcert=/tls/certs/client/client.crt sslkey=/tls/certs/client/client.key'" >>/tmp/postgresql.conf + else + echo "primary_conninfo = 'application_name=$HOSTNAME host=$PRIMARY_HOST user=$POSTGRES_USER password=$POSTGRES_PASSWORD sslmode=$SSL_MODE sslrootcert=/tls/certs/client/ca.crt'" >>/tmp/postgresql.conf + fi +else + echo "primary_conninfo = 'application_name=$HOSTNAME host=$PRIMARY_HOST user=$POSTGRES_USER password=$POSTGRES_PASSWORD'" >>/tmp/postgresql.conf +fi + +cat /role_scripts/standby/postgresql.conf >>/tmp/postgresql.conf +mv /tmp/postgresql.conf "$PGDATA/postgresql.conf" + +touch "$PGDATA/standby.signal" + +# setup pg_hba.conf +touch /tmp/pg_hba.conf +{ echo '#TYPE DATABASE USER ADDRESS METHOD'; } >>tmp/pg_hba.conf +{ echo '# "local" is for Unix domain socket connections only'; } >>tmp/pg_hba.conf +{ echo 'local all all trust'; } >>tmp/pg_hba.conf + +if [[ "${SSL:-0}" == "ON" ]]; then + if [[ "$CLIENT_AUTH_MODE" == "cert" ]]; then + #*******************client auth with client.crt and key************** + + { echo '# IPv4 local connections:'; } >>tmp/pg_hba.conf + { echo 'hostssl all all 127.0.0.1/32 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + { echo '# IPv6 local connections:'; } >>tmp/pg_hba.conf + { echo 'hostssl all all ::1/128 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + + { echo 'local replication all trust'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all 127.0.0.1/32 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all ::1/128 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + + { echo 'hostssl all all 0.0.0.0/0 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + { echo 'hostssl replication postgres 0.0.0.0/0 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + { echo 'hostssl all all ::/0 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + { echo 'hostssl replication postgres ::/0 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + elif [[ "$CLIENT_AUTH_MODE" == "scram" ]]; then + { echo '# IPv4 local connections:'; } >>tmp/pg_hba.conf + { echo 'hostssl all all 127.0.0.1/32 scram-sha-256'; } >>tmp/pg_hba.conf + { echo '# IPv6 local connections:'; } >>tmp/pg_hba.conf + { echo 'hostssl all all ::1/128 scram-sha-256'; } >>tmp/pg_hba.conf + + { echo 'local replication all trust'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all 127.0.0.1/32 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all ::1/128 scram-sha-256'; } >>tmp/pg_hba.conf + + { echo 'hostssl all all 0.0.0.0/0 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'hostssl replication postgres 0.0.0.0/0 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'hostssl all all ::/0 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'hostssl replication postgres ::/0 scram-sha-256'; } >>tmp/pg_hba.conf + else + { echo '# IPv4 local connections:'; } >>tmp/pg_hba.conf + { echo 'hostssl all all 127.0.0.1/32 md5'; } >>tmp/pg_hba.conf + { echo '# IPv6 local connections:'; } >>tmp/pg_hba.conf + { echo 'hostssl all all ::1/128 md5'; } >>tmp/pg_hba.conf + + { echo 'local replication all trust'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all 127.0.0.1/32 md5'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all ::1/128 md5'; } >>tmp/pg_hba.conf + + { echo 'hostssl all all 0.0.0.0/0 md5'; } >>tmp/pg_hba.conf + { echo 'hostssl replication postgres 0.0.0.0/0 md5'; } >>tmp/pg_hba.conf + { echo 'hostssl all all ::/0 md5'; } >>tmp/pg_hba.conf + { echo 'hostssl replication postgres ::/0 md5'; } >>tmp/pg_hba.conf + fi + +else + if [[ "$CLIENT_AUTH_MODE" == "scram" ]]; then + { echo '# IPv4 local connections:'; } >>tmp/pg_hba.conf + { echo 'host all all 127.0.0.1/32 trust'; } >>tmp/pg_hba.conf + { echo '# IPv6 local connections:'; } >>tmp/pg_hba.conf + { echo 'host all all ::1/128 scram-sha-256'; } >>tmp/pg_hba.conf + + { echo 'local replication all scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'host replication all 127.0.0.1/32 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'host replication all ::1/128 scram-sha-256'; } >>tmp/pg_hba.conf + + { echo 'host all all 0.0.0.0/0 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'host replication postgres 0.0.0.0/0 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'host all all ::/0 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'host replication postgres ::/0 scram-sha-256'; } >>tmp/pg_hba.conf + else + { echo '# IPv4 local connections:'; } >>tmp/pg_hba.conf + { echo 'host all all 127.0.0.1/32 trust'; } >>tmp/pg_hba.conf + { echo '# IPv6 local connections:'; } >>tmp/pg_hba.conf + { echo 'host all all ::1/128 trust'; } >>tmp/pg_hba.conf + + { echo 'local replication all trust'; } >>tmp/pg_hba.conf + { echo 'host replication all 127.0.0.1/32 md5'; } >>tmp/pg_hba.conf + { echo 'host replication all ::1/128 md5'; } >>tmp/pg_hba.conf + + { echo 'host all all 0.0.0.0/0 md5'; } >>tmp/pg_hba.conf + { echo 'host replication postgres 0.0.0.0/0 md5'; } >>tmp/pg_hba.conf + { echo 'host all all ::/0 md5'; } >>tmp/pg_hba.conf + { echo 'host replication postgres ::/0 md5'; } >>tmp/pg_hba.conf + fi + +fi + +mv /tmp/pg_hba.conf "$PGDATA/pg_hba.conf" + +# start and exit potgres +pg_ctl -D "$PGDATA" -w start --timeout 60 + +sleep 30 +# stop server +pg_ctl -D "$PGDATA" -m fast -w stop diff --git a/role_scripts/17/standby/postgresql.conf b/role_scripts/17/standby/postgresql.conf new file mode 100755 index 0000000..c7011d1 --- /dev/null +++ b/role_scripts/17/standby/postgresql.conf @@ -0,0 +1,818 @@ +# ----------------------------- +# PostgreSQL configuration file +# ----------------------------- +# +# This file consists of lines of the form: +# +# name = value +# +# (The "=" is optional.) Whitespace may be used. Comments are introduced with +# "#" anywhere on a line. The complete list of parameter names and allowed +# values can be found in the PostgreSQL documentation. +# +# The commented-out settings shown in this file represent the default values. +# Re-commenting a setting is NOT sufficient to revert it to the default value; +# you need to reload the server. +# +# This file is read on server startup and when the server receives a SIGHUP +# signal. If you edit the file on a running system, you have to SIGHUP the +# server for the changes to take effect, run "pg_ctl reload", or execute +# "SELECT pg_reload_conf()". Some parameters, which are marked below, +# require a server shutdown and restart to take effect. +# +# Any parameter can also be given as a command-line option to the server, e.g., +# "postgres -c log_connections=on". Some parameters can be changed at run time +# with the "SET" SQL command. +# +# Memory units: B = bytes Time units: us = microseconds +# kB = kilobytes ms = milliseconds +# MB = megabytes s = seconds +# GB = gigabytes min = minutes +# TB = terabytes h = hours +# d = days + + +#------------------------------------------------------------------------------ +# FILE LOCATIONS +#------------------------------------------------------------------------------ + +# The default values of these variables are driven from the -D command-line +# option or PGDATA environment variable, represented here as ConfigDir. + +#data_directory = 'ConfigDir' # use data in another directory + # (change requires restart) +#hba_file = 'ConfigDir/pg_hba.conf' # host-based authentication file + # (change requires restart) +#ident_file = 'ConfigDir/pg_ident.conf' # ident configuration file + # (change requires restart) + +# If external_pid_file is not explicitly set, no extra PID file is written. +#external_pid_file = '' # write an extra PID file + # (change requires restart) + + +#------------------------------------------------------------------------------ +# CONNECTIONS AND AUTHENTICATION +#------------------------------------------------------------------------------ + +# - Connection Settings - + +listen_addresses = '*' # what IP address(es) to listen on; + # comma-separated list of addresses; + # defaults to 'localhost'; use '*' for all + # (change requires restart) +#port = 5432 # (change requires restart) +max_connections = 100 # (change requires restart) +#superuser_reserved_connections = 3 # (change requires restart) +#unix_socket_directories = '/tmp' # comma-separated list of directories + # (change requires restart) +#unix_socket_group = '' # (change requires restart) +#unix_socket_permissions = 0777 # begin with 0 to use octal notation + # (change requires restart) +#bonjour = off # advertise server via Bonjour + # (change requires restart) +#bonjour_name = '' # defaults to the computer name + # (change requires restart) + +# - TCP settings - +# see "man tcp" for details + +#tcp_keepalives_idle = 0 # TCP_KEEPIDLE, in seconds; + # 0 selects the system default +#tcp_keepalives_interval = 0 # TCP_KEEPINTVL, in seconds; + # 0 selects the system default +#tcp_keepalives_count = 0 # TCP_KEEPCNT; + # 0 selects the system default +#tcp_user_timeout = 0 # TCP_USER_TIMEOUT, in milliseconds; + # 0 selects the system default + +#client_connection_check_interval = 0 # time between checks for client + # disconnection while running queries; + # 0 for never + +# - Authentication - + +#authentication_timeout = 1min # 1s-600s +#password_encryption = scram-sha-256 # scram-sha-256 or md5 +#db_user_namespace = off + +# GSSAPI using Kerberos +#krb_server_keyfile = 'FILE:${sysconfdir}/krb5.keytab' +#krb_caseins_users = off + +# - SSL - + +#ssl = off +#ssl_ca_file = '' +#ssl_cert_file = 'server.crt' +#ssl_crl_file = '' +#ssl_crl_dir = '' +#ssl_key_file = 'server.key' +#ssl_ciphers = 'HIGH:MEDIUM:+3DES:!aNULL' # allowed SSL ciphers +#ssl_prefer_server_ciphers = on +#ssl_ecdh_curve = 'prime256v1' +#ssl_min_protocol_version = 'TLSv1.2' +#ssl_max_protocol_version = '' +#ssl_dh_params_file = '' +#ssl_passphrase_command = '' +#ssl_passphrase_command_supports_reload = off + + +#------------------------------------------------------------------------------ +# RESOURCE USAGE (except WAL) +#------------------------------------------------------------------------------ + +# - Memory - + +#shared_buffers = 128MB # min 128kB + # (change requires restart) +#huge_pages = try # on, off, or try + # (change requires restart) +#huge_page_size = 0 # zero for system default + # (change requires restart) +#temp_buffers = 8MB # min 800kB +#max_prepared_transactions = 0 # zero disables the feature + # (change requires restart) +# Caution: it is not advisable to set max_prepared_transactions nonzero unless +# you actively intend to use prepared transactions. +#work_mem = 4MB # min 64kB +#hash_mem_multiplier = 2.0 # 1-1000.0 multiplier on hash table work_mem +#maintenance_work_mem = 64MB # min 1MB +#autovacuum_work_mem = -1 # min 1MB, or -1 to use maintenance_work_mem +#logical_decoding_work_mem = 64MB # min 64kB +#max_stack_depth = 2MB # min 100kB +#shared_memory_type = mmap # the default is the first option + # supported by the operating system: + # mmap + # sysv + # windows + # (change requires restart) +dynamic_shared_memory_type = posix # the default is usually the first option + # supported by the operating system: + # posix + # sysv + # windows + # mmap + # (change requires restart) +#min_dynamic_shared_memory = 0MB # (change requires restart) + +# - Disk - + +#temp_file_limit = -1 # limits per-process temp file space + # in kilobytes, or -1 for no limit + +# - Kernel Resources - + +#max_files_per_process = 1000 # min 64 + # (change requires restart) + +# - Cost-Based Vacuum Delay - + +#vacuum_cost_delay = 0 # 0-100 milliseconds (0 disables) +#vacuum_cost_page_hit = 1 # 0-10000 credits +#vacuum_cost_page_miss = 2 # 0-10000 credits +#vacuum_cost_page_dirty = 20 # 0-10000 credits +#vacuum_cost_limit = 200 # 1-10000 credits + +# - Background Writer - + +#bgwriter_delay = 200ms # 10-10000ms between rounds +#bgwriter_lru_maxpages = 100 # max buffers written/round, 0 disables +#bgwriter_lru_multiplier = 2.0 # 0-10.0 multiplier on buffers scanned/round +#bgwriter_flush_after = 0 # measured in pages, 0 disables + +# - Asynchronous Behavior - + +#backend_flush_after = 0 # measured in pages, 0 disables +#effective_io_concurrency = 1 # 1-1000; 0 disables prefetching +#maintenance_io_concurrency = 10 # 1-1000; 0 disables prefetching +#max_worker_processes = 8 # (change requires restart) +#max_parallel_workers_per_gather = 2 # taken from max_parallel_workers +#max_parallel_maintenance_workers = 2 # taken from max_parallel_workers +#max_parallel_workers = 8 # maximum number of max_worker_processes that + # can be used in parallel operations +#parallel_leader_participation = on +#old_snapshot_threshold = -1 # 1min-60d; -1 disables; 0 is immediate + # (change requires restart) + + +#------------------------------------------------------------------------------ +# WRITE-AHEAD LOG +#------------------------------------------------------------------------------ + +# - Settings - + +#wal_level = replica # minimal, replica, or logical + # (change requires restart) +#fsync = on # flush data to disk for crash safety + # (turning this off can cause + # unrecoverable data corruption) +#synchronous_commit = on # synchronization level; + # off, local, remote_write, remote_apply, or on +#wal_sync_method = fsync # the default is the first option + # supported by the operating system: + # open_datasync + # fdatasync (default on Linux and FreeBSD) + # fsync + # fsync_writethrough + # open_sync +#full_page_writes = on # recover from partial page writes +#wal_log_hints = off # also do full page writes of non-critical updates + # (change requires restart) +#wal_compression = off # enables compression of full-page writes; + # off, pglz, lz4, zstd, or on +#wal_init_zero = on # zero-fill new WAL files +#wal_recycle = on # recycle WAL files +#wal_buffers = -1 # min 32kB, -1 sets based on shared_buffers + # (change requires restart) +#wal_writer_delay = 200ms # 1-10000 milliseconds +#wal_writer_flush_after = 1MB # measured in pages, 0 disables +#wal_skip_threshold = 2MB + +#commit_delay = 0 # range 0-100000, in microseconds +#commit_siblings = 5 # range 1-1000 + +# - Checkpoints - + +#checkpoint_timeout = 5min # range 30s-1d +#checkpoint_completion_target = 0.9 # checkpoint target duration, 0.0 - 1.0 +#checkpoint_flush_after = 0 # measured in pages, 0 disables +#checkpoint_warning = 30s # 0 disables +#max_wal_size = 1GB +#min_wal_size = 80MB + +# - Prefetching during recovery - + +#recovery_prefetch = try # prefetch pages referenced in the WAL? +#wal_decode_buffer_size = 512kB # lookahead window used for prefetching + # (change requires restart) + +# - Archiving - + +#archive_mode = off # enables archiving; off, on, or always + # (change requires restart) +#archive_library = '' # library to use to archive a WAL file + # (empty string indicates archive_command should + # be used) +#archive_command = '' # command to use to archive a WAL file + # placeholders: %p = path of file to archive + # %f = file name only + # e.g. 'test ! -f /mnt/server/archivedir/%f && cp %p /mnt/server/archivedir/%f' +#archive_timeout = 0 # force a WAL file switch after this + # number of seconds; 0 disables + +# - Archive Recovery - + +# These are only used in recovery mode. + +#restore_command = '' # command to use to restore an archived WAL file + # placeholders: %p = path of file to restore + # %f = file name only + # e.g. 'cp /mnt/server/archivedir/%f %p' +#archive_cleanup_command = '' # command to execute at every restartpoint +#recovery_end_command = '' # command to execute at completion of recovery + +# - Recovery Target - + +# Set these only when performing a targeted recovery. + +#recovery_target = '' # 'immediate' to end recovery as soon as a + # consistent state is reached + # (change requires restart) +#recovery_target_name = '' # the named restore point to which recovery will proceed + # (change requires restart) +#recovery_target_time = '' # the time stamp up to which recovery will proceed + # (change requires restart) +#recovery_target_xid = '' # the transaction ID up to which recovery will proceed + # (change requires restart) +#recovery_target_lsn = '' # the WAL LSN up to which recovery will proceed + # (change requires restart) +#recovery_target_inclusive = on # Specifies whether to stop: + # just after the specified recovery target (on) + # just before the recovery target (off) + # (change requires restart) +#recovery_target_timeline = 'latest' # 'current', 'latest', or timeline ID + # (change requires restart) +#recovery_target_action = 'pause' # 'pause', 'promote', 'shutdown' + # (change requires restart) + + +#------------------------------------------------------------------------------ +# REPLICATION +#------------------------------------------------------------------------------ + +# - Sending Servers - + +# Set these on the primary and on any standby that will send replication data. + +#max_wal_senders = 10 # max number of walsender processes + # (change requires restart) +#max_replication_slots = 10 # max number of replication slots + # (change requires restart) +#wal_keep_size = 0 # in megabytes; 0 disables +#max_slot_wal_keep_size = -1 # in megabytes; -1 disables +#wal_sender_timeout = 60s # in milliseconds; 0 disables +#track_commit_timestamp = off # collect timestamp of transaction commit + # (change requires restart) + +# - Primary Server - + +# These settings are ignored on a standby server. + +#synchronous_standby_names = '' # standby servers that provide sync rep + # method to choose sync standbys, number of sync standbys, + # and comma-separated list of application_name + # from standby(s); '*' = all + +# - Standby Servers - + +# These settings are ignored on a primary server. + +#primary_conninfo = '' # connection string to sending server +#primary_slot_name = '' # replication slot on sending server +#hot_standby = on # "off" disallows queries during recovery + # (change requires restart) +#max_standby_archive_delay = 30s # max delay before canceling queries + # when reading WAL from archive; + # -1 allows indefinite delay +#max_standby_streaming_delay = 30s # max delay before canceling queries + # when reading streaming WAL; + # -1 allows indefinite delay +#wal_receiver_create_temp_slot = off # create temp slot if primary_slot_name + # is not set +#wal_receiver_status_interval = 10s # send replies at least this often + # 0 disables +#hot_standby_feedback = off # send info from standby to prevent + # query conflicts +#wal_receiver_timeout = 60s # time that receiver waits for + # communication from primary + # in milliseconds; 0 disables +#wal_retrieve_retry_interval = 5s # time to wait before retrying to + # retrieve WAL after a failed attempt +#recovery_min_apply_delay = 0 # minimum delay for applying changes during recovery + +# - Subscribers - + +# These settings are ignored on a publisher. + +#max_logical_replication_workers = 4 # taken from max_worker_processes + # (change requires restart) +#max_sync_workers_per_subscription = 2 # taken from max_logical_replication_workers + + +#------------------------------------------------------------------------------ +# QUERY TUNING +#------------------------------------------------------------------------------ + +# - Planner Method Configuration - + +#enable_async_append = on +#enable_bitmapscan = on +#enable_gathermerge = on +#enable_hashagg = on +#enable_hashjoin = on +#enable_incremental_sort = on +#enable_indexscan = on +#enable_indexonlyscan = on +#enable_material = on +#enable_memoize = on +#enable_mergejoin = on +#enable_nestloop = on +#enable_parallel_append = on +#enable_parallel_hash = on +#enable_partition_pruning = on +#enable_partitionwise_join = off +#enable_partitionwise_aggregate = off +#enable_seqscan = on +#enable_sort = on +#enable_tidscan = on + +# - Planner Cost Constants - + +#seq_page_cost = 1.0 # measured on an arbitrary scale +#random_page_cost = 4.0 # same scale as above +#cpu_tuple_cost = 0.01 # same scale as above +#cpu_index_tuple_cost = 0.005 # same scale as above +#cpu_operator_cost = 0.0025 # same scale as above +#parallel_setup_cost = 1000.0 # same scale as above +#parallel_tuple_cost = 0.1 # same scale as above +#min_parallel_table_scan_size = 8MB +#min_parallel_index_scan_size = 512kB +#effective_cache_size = 4GB + +#jit_above_cost = 100000 # perform JIT compilation if available + # and query more expensive than this; + # -1 disables +#jit_inline_above_cost = 500000 # inline small functions if query is + # more expensive than this; -1 disables +#jit_optimize_above_cost = 500000 # use expensive JIT optimizations if + # query is more expensive than this; + # -1 disables + +# - Genetic Query Optimizer - + +#geqo = on +#geqo_threshold = 12 +#geqo_effort = 5 # range 1-10 +#geqo_pool_size = 0 # selects default based on effort +#geqo_generations = 0 # selects default based on effort +#geqo_selection_bias = 2.0 # range 1.5-2.0 +#geqo_seed = 0.0 # range 0.0-1.0 + +# - Other Planner Options - + +#default_statistics_target = 100 # range 1-10000 +#constraint_exclusion = partition # on, off, or partition +#cursor_tuple_fraction = 0.1 # range 0.0-1.0 +#from_collapse_limit = 8 +#jit = on # allow JIT compilation +#join_collapse_limit = 8 # 1 disables collapsing of explicit + # JOIN clauses +#plan_cache_mode = auto # auto, force_generic_plan or + # force_custom_plan +#recursive_worktable_factor = 10.0 # range 0.001-1000000 + + +#------------------------------------------------------------------------------ +# REPORTING AND LOGGING +#------------------------------------------------------------------------------ + +# - Where to Log - + +#log_destination = 'stderr' # Valid values are combinations of + # stderr, csvlog, jsonlog, syslog, and + # eventlog, depending on platform. + # csvlog and jsonlog require + # logging_collector to be on. + +# This is used when logging to stderr: +#logging_collector = off # Enable capturing of stderr, jsonlog, + # and csvlog into log files. Required + # to be on for csvlogs and jsonlogs. + # (change requires restart) + +# These are only used if logging_collector is on: +#log_directory = 'log' # directory where log files are written, + # can be absolute or relative to PGDATA +#log_filename = 'postgresql-%Y-%m-%d_%H%M%S.log' # log file name pattern, + # can include strftime() escapes +#log_file_mode = 0600 # creation mode for log files, + # begin with 0 to use octal notation +#log_rotation_age = 1d # Automatic rotation of logfiles will + # happen after that time. 0 disables. +#log_rotation_size = 10MB # Automatic rotation of logfiles will + # happen after that much log output. + # 0 disables. +#log_truncate_on_rotation = off # If on, an existing log file with the + # same name as the new log file will be + # truncated rather than appended to. + # But such truncation only occurs on + # time-driven rotation, not on restarts + # or size-driven rotation. Default is + # off, meaning append to existing files + # in all cases. + +# These are relevant when logging to syslog: +#syslog_facility = 'LOCAL0' +#syslog_ident = 'postgres' +#syslog_sequence_numbers = on +#syslog_split_messages = on + +# This is only relevant when logging to eventlog (Windows): +# (change requires restart) +#event_source = 'PostgreSQL' + +# - When to Log - + +#log_min_messages = warning # values in order of decreasing detail: + # debug5 + # debug4 + # debug3 + # debug2 + # debug1 + # info + # notice + # warning + # error + # log + # fatal + # panic + +#log_min_error_statement = error # values in order of decreasing detail: + # debug5 + # debug4 + # debug3 + # debug2 + # debug1 + # info + # notice + # warning + # error + # log + # fatal + # panic (effectively off) + +#log_min_duration_statement = -1 # -1 is disabled, 0 logs all statements + # and their durations, > 0 logs only + # statements running at least this number + # of milliseconds + +#log_min_duration_sample = -1 # -1 is disabled, 0 logs a sample of statements + # and their durations, > 0 logs only a sample of + # statements running at least this number + # of milliseconds; + # sample fraction is determined by log_statement_sample_rate + +#log_statement_sample_rate = 1.0 # fraction of logged statements exceeding + # log_min_duration_sample to be logged; + # 1.0 logs all such statements, 0.0 never logs + + +#log_transaction_sample_rate = 0.0 # fraction of transactions whose statements + # are logged regardless of their duration; 1.0 logs all + # statements from all transactions, 0.0 never logs + +#log_startup_progress_interval = 10s # Time between progress updates for + # long-running startup operations. + # 0 disables the feature, > 0 indicates + # the interval in milliseconds. + +# - What to Log - + +#debug_print_parse = off +#debug_print_rewritten = off +#debug_print_plan = off +#debug_pretty_print = on +#log_autovacuum_min_duration = 10min # log autovacuum activity; + # -1 disables, 0 logs all actions and + # their durations, > 0 logs only + # actions running at least this number + # of milliseconds. +#log_checkpoints = on +#log_connections = off +#log_disconnections = off +#log_duration = off +#log_error_verbosity = default # terse, default, or verbose messages +#log_hostname = off +#log_line_prefix = '%m [%p] ' # special values: + # %a = application name + # %u = user name + # %d = database name + # %r = remote host and port + # %h = remote host + # %b = backend type + # %p = process ID + # %P = process ID of parallel group leader + # %t = timestamp without milliseconds + # %m = timestamp with milliseconds + # %n = timestamp with milliseconds (as a Unix epoch) + # %Q = query ID (0 if none or not computed) + # %i = command tag + # %e = SQL state + # %c = session ID + # %l = session line number + # %s = session start timestamp + # %v = virtual transaction ID + # %x = transaction ID (0 if none) + # %q = stop here in non-session + # processes + # %% = '%' + # e.g. '<%u%%%d> ' +#log_lock_waits = off # log lock waits >= deadlock_timeout +#log_recovery_conflict_waits = off # log standby recovery conflict waits + # >= deadlock_timeout +#log_parameter_max_length = -1 # when logging statements, limit logged + # bind-parameter values to N bytes; + # -1 means print in full, 0 disables +#log_parameter_max_length_on_error = 0 # when logging an error, limit logged + # bind-parameter values to N bytes; + # -1 means print in full, 0 disables +#log_statement = 'none' # none, ddl, mod, all +#log_replication_commands = off +#log_temp_files = -1 # log temporary files equal or larger + # than the specified size in kilobytes; + # -1 disables, 0 logs all temp files +log_timezone = 'UTC' + +# - Process Title - + +#cluster_name = '' # added to process titles if nonempty + # (change requires restart) +#update_process_title = on + + +#------------------------------------------------------------------------------ +# STATISTICS +#------------------------------------------------------------------------------ + +# - Cumulative Query and Index Statistics - + +#track_activities = on +#track_activity_query_size = 1024 # (change requires restart) +#track_counts = on +#track_io_timing = off +#track_wal_io_timing = off +#track_functions = none # none, pl, all +#stats_fetch_consistency = cache + + +# - Monitoring - + +#compute_query_id = auto +#log_statement_stats = off +#log_parser_stats = off +#log_planner_stats = off +#log_executor_stats = off + + +#------------------------------------------------------------------------------ +# AUTOVACUUM +#------------------------------------------------------------------------------ + +#autovacuum = on # Enable autovacuum subprocess? 'on' + # requires track_counts to also be on. +#autovacuum_max_workers = 3 # max number of autovacuum subprocesses + # (change requires restart) +#autovacuum_naptime = 1min # time between autovacuum runs +#autovacuum_vacuum_threshold = 50 # min number of row updates before + # vacuum +#autovacuum_vacuum_insert_threshold = 1000 # min number of row inserts + # before vacuum; -1 disables insert + # vacuums +#autovacuum_analyze_threshold = 50 # min number of row updates before + # analyze +#autovacuum_vacuum_scale_factor = 0.2 # fraction of table size before vacuum +#autovacuum_vacuum_insert_scale_factor = 0.2 # fraction of inserts over table + # size before insert vacuum +#autovacuum_analyze_scale_factor = 0.1 # fraction of table size before analyze +#autovacuum_freeze_max_age = 200000000 # maximum XID age before forced vacuum + # (change requires restart) +#autovacuum_multixact_freeze_max_age = 400000000 # maximum multixact age + # before forced vacuum + # (change requires restart) +#autovacuum_vacuum_cost_delay = 2ms # default vacuum cost delay for + # autovacuum, in milliseconds; + # -1 means use vacuum_cost_delay +#autovacuum_vacuum_cost_limit = -1 # default vacuum cost limit for + # autovacuum, -1 means use + # vacuum_cost_limit + + +#------------------------------------------------------------------------------ +# CLIENT CONNECTION DEFAULTS +#------------------------------------------------------------------------------ + +# - Statement Behavior - + +#client_min_messages = notice # values in order of decreasing detail: + # debug5 + # debug4 + # debug3 + # debug2 + # debug1 + # log + # notice + # warning + # error +#search_path = '"$user", public' # schema names +#row_security = on +#default_table_access_method = 'heap' +#default_tablespace = '' # a tablespace name, '' uses the default +#default_toast_compression = 'pglz' # 'pglz' or 'lz4' +#temp_tablespaces = '' # a list of tablespace names, '' uses + # only default tablespace +#check_function_bodies = on +#default_transaction_isolation = 'read committed' +#default_transaction_read_only = off +#default_transaction_deferrable = off +#session_replication_role = 'origin' +#statement_timeout = 0 # in milliseconds, 0 is disabled +#lock_timeout = 0 # in milliseconds, 0 is disabled +#idle_in_transaction_session_timeout = 0 # in milliseconds, 0 is disabled +#idle_session_timeout = 0 # in milliseconds, 0 is disabled +#vacuum_freeze_table_age = 150000000 +#vacuum_freeze_min_age = 50000000 +#vacuum_failsafe_age = 1600000000 +#vacuum_multixact_freeze_table_age = 150000000 +#vacuum_multixact_freeze_min_age = 5000000 +#vacuum_multixact_failsafe_age = 1600000000 +#bytea_output = 'hex' # hex, escape +#xmlbinary = 'base64' +#xmloption = 'content' +#gin_pending_list_limit = 4MB + +# - Locale and Formatting - + +datestyle = 'iso, mdy' +#intervalstyle = 'postgres' +timezone = 'UTC' +#timezone_abbreviations = 'Default' # Select the set of available time zone + # abbreviations. Currently, there are + # Default + # Australia (historical usage) + # India + # You can create your own file in + # share/timezonesets/. +#extra_float_digits = 1 # min -15, max 3; any value >0 actually + # selects precise output mode +#client_encoding = sql_ascii # actually, defaults to database + # encoding + +# These settings are initialized by initdb, but they can be changed. +lc_messages = 'en_US.utf8' # locale for system error message + # strings +lc_monetary = 'en_US.utf8' # locale for monetary formatting +lc_numeric = 'en_US.utf8' # locale for number formatting +lc_time = 'en_US.utf8' # locale for time formatting + +# default configuration for text search +default_text_search_config = 'pg_catalog.english' + +# - Shared Library Preloading - + +#local_preload_libraries = '' +#session_preload_libraries = '' +#shared_preload_libraries = '' # (change requires restart) +#jit_provider = 'llvmjit' # JIT library to use + +# - Other Defaults - + +#dynamic_library_path = '$libdir' +#gin_fuzzy_search_limit = 0 + + +#------------------------------------------------------------------------------ +# LOCK MANAGEMENT +#------------------------------------------------------------------------------ + +#deadlock_timeout = 1s +#max_locks_per_transaction = 64 # min 10 + # (change requires restart) +#max_pred_locks_per_transaction = 64 # min 10 + # (change requires restart) +#max_pred_locks_per_relation = -2 # negative values mean + # (max_pred_locks_per_transaction + # / -max_pred_locks_per_relation) - 1 +#max_pred_locks_per_page = 2 # min 0 + + +#------------------------------------------------------------------------------ +# VERSION AND PLATFORM COMPATIBILITY +#------------------------------------------------------------------------------ + +# - Previous PostgreSQL Versions - + +#array_nulls = on +#backslash_quote = safe_encoding # on, off, or safe_encoding +#escape_string_warning = on +#lo_compat_privileges = off +#quote_all_identifiers = off +#standard_conforming_strings = on +#synchronize_seqscans = on + +# - Other Platforms and Clients - + +#transform_null_equals = off + + +#------------------------------------------------------------------------------ +# ERROR HANDLING +#------------------------------------------------------------------------------ + +#exit_on_error = off # terminate session on any error? +#restart_after_crash = on # reinitialize after backend crash? +#data_sync_retry = off # retry or panic on failure to fsync + # data? + # (change requires restart) +#recovery_init_sync_method = fsync # fsync, syncfs (Linux 5.8+) + + +#------------------------------------------------------------------------------ +# CONFIG FILE INCLUDES +#------------------------------------------------------------------------------ + +# These options allow settings to be loaded from files other than the +# default postgresql.conf. Note that these are directives, not variable +# assignments, so they can usefully be given more than once. + +#include_dir = '...' # include files ending in '.conf' from + # a directory, e.g., 'conf.d' +include_if_exists = '/etc/config/user.conf' # include file only if it exists +#include = '...' # include file + + +#------------------------------------------------------------------------------ +# CUSTOMIZED OPTIONS +#------------------------------------------------------------------------------ + +# Add settings for extensions here + +# reserved_connections = 0 +# scram_iterations = 4096 +# gss_accept_delegation = off +# vacuum_buffer_usage_limit = 256kB +# max_parallel_apply_workers_per_subscription = 2 +# enable_presorted_aggregate = on +# createrole_self_grant = "" +# icu_validation_level = warning + diff --git a/role_scripts/17/standby/remote-replica.sh b/role_scripts/17/standby/remote-replica.sh new file mode 100755 index 0000000..bcac541 --- /dev/null +++ b/role_scripts/17/standby/remote-replica.sh @@ -0,0 +1,210 @@ +#!/usr/bin/env bash + +# Copyright AppsCode Inc. and Contributors +# +# Licensed under the AppsCode Free Trial License 1.0.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# https://github.com/appscode/licenses/raw/1.0.0/AppsCode-Free-Trial-1.0.0.md +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +export PASSWORD +set -eou pipefail + +echo "Running as Remote Replica" + +# set password ENV +export PGPASSWORD=${PRIMARY_PASSWORD:-} + +# Waiting for running Postgres +while true; do + echo "Attempting pg_isready on primary" + + if [[ "${SOURCE_SSL:-0}" == "ON" ]]; then + pg_isready --host="$PRIMARY_HOST" -d "sslmode=$SOURCE_SSL_MODE sslrootcert=/tls/certs/remote/ca.crt sslcert=/tls/certs/remote/client.crt sslkey=/tls/certs/remote/client.key" --username=$PRIMARY_USER_NAME --timeout=2 &>/dev/null && break + else + pg_isready --host="$PRIMARY_HOST" --username=$PRIMARY_USER_NAME --timeout=2 &>/dev/null && break + fi + sleep 2 +done + +while true; do + echo "Attempting query on primary" + if [[ "${SOURCE_SSL:-0}" == "ON" ]]; then + psql -h "$PRIMARY_HOST" --username=$PRIMARY_USER_NAME -d "dbname=postgres sslmode=$SOURCE_SSL_MODE sslrootcert=/tls/certs/remote/ca.crt sslcert=/tls/certs/remote/client.crt sslkey=/tls/certs/remote/client.key" --command="select now();" &>/dev/null && break + else + psql -h "$PRIMARY_HOST" --username=$PRIMARY_USER_NAME -d postgres --no-password --command="select now();" &>/dev/null && break + fi + + sleep 2 +done + +if [[ ! -e "$PGDATA/PG_VERSION" ]]; then + echo "taking base basebackup..." + mkdir -p "$PGDATA" + rm -rf "$PGDATA"/* + chmod 0700 "$PGDATA" + if [[ "${SOURCE_SSL:-0}" == "ON" ]]; then + pg_basebackup -X fetch --pgdata "$PGDATA" --username=$PRIMARY_USER_NAME --progress --host="$PRIMARY_HOST" -d "sslmode=$SOURCE_SSL_MODE sslrootcert=/tls/certs/remote/ca.crt sslcert=/tls/certs/remote/client.crt sslkey=/tls/certs/remote/client.key" + else + pg_basebackup -X fetch --no-password --pgdata "$PGDATA" --username=$PRIMARY_USER_NAME --progress --host="$PRIMARY_HOST" + fi +fi + +# setup postgresql.conf +touch /tmp/postgresql.conf +echo "wal_level = replica" >>/tmp/postgresql.conf +echo "shared_buffers = $SHARED_BUFFERS" >>/tmp/postgresql.conf +echo "max_wal_senders = 90" >>/tmp/postgresql.conf # default is 10. value must be less than max_connections minus superuser_reserved_connections. ref: https://www.postgresql.org/docs/11/runtime-config-replication.html#GUC-MAX-WAL-SENDERS +echo "max_replication_slots = 90" >>/tmp/postgresql.conf +# echo "wal_keep_size = 64" >>/tmp/postgresql.conf #it was "wal_keep_segments" in earlier version. changed in version 13 +if [ ! -z "${WAL_RETAIN_PARAM:-}" ] && [ ! -z "${WAL_RETAIN_AMOUNT:-}" ]; then + echo "${WAL_RETAIN_PARAM}=${WAL_RETAIN_AMOUNT}" >>/tmp/postgresql.conf +else + echo "wal_keep_size = 2560" >>/tmp/postgresql.conf +fi +if [[ "$WAL_LIMIT_POLICY" == "ReplicationSlot" ]]; then + CLEAN_HOSTNAME="${HOSTNAME//[^[:alnum:]]/}" + echo "primary_slot_name = "$CLEAN_HOSTNAME"" >>/tmp/postgresql.conf +fi + +echo "wal_log_hints = on" >>/tmp/postgresql.conf + +# we are not doing any archiving by default but it's better to have this config in our postgresql.conf file in case of customization. +echo "archive_mode = always" >>/tmp/postgresql.conf +echo "archive_command = '/bin/true'" >>/tmp/postgresql.conf + +echo "shared_preload_libraries = 'pg_stat_statements'" >>/tmp/postgresql.conf + +if [ "$STANDBY" == "hot" ]; then + echo "hot_standby = on" >>/tmp/postgresql.conf +else + echo "hot_standby = off" >>/tmp/postgresql.conf +fi + +if [[ "$STREAMING" == "synchronous" ]]; then + # setup synchronous streaming replication + echo "synchronous_commit = remote_write" >>/tmp/postgresql.conf + echo "synchronous_standby_names = '*'" >>/tmp/postgresql.conf +fi + +if [[ "${SSL:-0}" == "ON" ]]; then + echo "ssl = on" >>/tmp/postgresql.conf + + echo "ssl_cert_file = '/tls/certs/server/server.crt'" >>/tmp/postgresql.conf + echo "ssl_key_file = '/tls/certs/server/server.key'" >>/tmp/postgresql.conf + echo "ssl_ca_file = '/tls/certs/server/ca.crt'" >>/tmp/postgresql.conf +fi + +if [[ "$CLIENT_AUTH_MODE" == "scram" ]]; then + echo "password_encryption = scram-sha-256" >>/tmp/postgresql.conf +fi + +# ****************** Recovery config ************************** +echo "recovery_target_timeline = 'latest'" >>/tmp/postgresql.conf +# primary_conninfo is used for streaming replication +if [[ "${SOURCE_SSL:-0}" == "ON" ]]; then + echo "primary_conninfo = 'application_name=$HOSTNAME host=$PRIMARY_HOST user=$PRIMARY_USER_NAME password=$PRIMARY_PASSWORD sslmode=$SOURCE_SSL_MODE sslrootcert=/tls/certs/remote/ca.crt sslcert=/tls/certs/remote/client.crt sslkey=/tls/certs/remote/client.key'" >>/tmp/postgresql.conf +else + echo "primary_conninfo = 'application_name=$HOSTNAME host=$PRIMARY_HOST user=$PRIMARY_USER_NAME password=$PRIMARY_PASSWORD'" >>/tmp/postgresql.conf +fi + +cat /run_scripts/role/postgresql.conf >>/tmp/postgresql.conf +mv /tmp/postgresql.conf "$PGDATA/postgresql.conf" + +touch "$PGDATA/standby.signal" + +# setup pg_hba.conf +touch /tmp/pg_hba.conf +{ echo '#TYPE DATABASE USER ADDRESS METHOD'; } >>tmp/pg_hba.conf +{ echo '# "local" is for Unix domain socket connections only'; } >>tmp/pg_hba.conf +{ echo 'local all all trust'; } >>tmp/pg_hba.conf + +if [[ "${SSL:-0}" == "ON" ]]; then + if [[ "$CLIENT_AUTH_MODE" == "cert" ]]; then + #*******************client auth with client.crt and key************** + + { echo '# IPv4 local connections:'; } >>tmp/pg_hba.conf + { echo 'hostssl all all 127.0.0.1/32 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + { echo '# IPv6 local connections:'; } >>tmp/pg_hba.conf + { echo 'hostssl all all ::1/128 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + + { echo 'local replication all trust'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all 127.0.0.1/32 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all ::1/128 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + + { echo 'hostssl all all 0.0.0.0/0 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + { echo 'hostssl replication postgres 0.0.0.0/0 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + { echo 'hostssl all all ::/0 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + { echo 'hostssl replication postgres ::/0 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + elif [[ "$CLIENT_AUTH_MODE" == "scram" ]]; then + { echo '# IPv4 local connections:'; } >>tmp/pg_hba.conf + { echo 'hostssl all all 127.0.0.1/32 scram-sha-256'; } >>tmp/pg_hba.conf + { echo '# IPv6 local connections:'; } >>tmp/pg_hba.conf + { echo 'hostssl all all ::1/128 scram-sha-256'; } >>tmp/pg_hba.conf + + { echo 'local replication all trust'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all 127.0.0.1/32 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all ::1/128 scram-sha-256'; } >>tmp/pg_hba.conf + + { echo 'hostssl all all 0.0.0.0/0 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'hostssl replication postgres 0.0.0.0/0 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'hostssl all all ::/0 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'hostssl replication postgres ::/0 scram-sha-256'; } >>tmp/pg_hba.conf + else + { echo '# IPv4 local connections:'; } >>tmp/pg_hba.conf + { echo 'hostssl all all 127.0.0.1/32 md5'; } >>tmp/pg_hba.conf + { echo '# IPv6 local connections:'; } >>tmp/pg_hba.conf + { echo 'hostssl all all ::1/128 md5'; } >>tmp/pg_hba.conf + + { echo 'local replication all trust'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all 127.0.0.1/32 md5'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all ::1/128 md5'; } >>tmp/pg_hba.conf + + { echo 'hostssl all all 0.0.0.0/0 md5'; } >>tmp/pg_hba.conf + { echo 'hostssl replication postgres 0.0.0.0/0 md5'; } >>tmp/pg_hba.conf + { echo 'hostssl all all ::/0 md5'; } >>tmp/pg_hba.conf + { echo 'hostssl replication postgres ::/0 md5'; } >>tmp/pg_hba.conf + fi + +else + if [[ "$CLIENT_AUTH_MODE" == "scram" ]]; then + { echo '# IPv4 local connections:'; } >>tmp/pg_hba.conf + { echo 'host all all 127.0.0.1/32 trust'; } >>tmp/pg_hba.conf + { echo '# IPv6 local connections:'; } >>tmp/pg_hba.conf + { echo 'host all all ::1/128 scram-sha-256'; } >>tmp/pg_hba.conf + + { echo 'local replication all scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'host replication all 127.0.0.1/32 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'host replication all ::1/128 scram-sha-256'; } >>tmp/pg_hba.conf + + { echo 'host all all 0.0.0.0/0 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'host replication postgres 0.0.0.0/0 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'host all all ::/0 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'host replication postgres ::/0 scram-sha-256'; } >>tmp/pg_hba.conf + else + { echo '# IPv4 local connections:'; } >>tmp/pg_hba.conf + { echo 'host all all 127.0.0.1/32 trust'; } >>tmp/pg_hba.conf + { echo '# IPv6 local connections:'; } >>tmp/pg_hba.conf + { echo 'host all all ::1/128 trust'; } >>tmp/pg_hba.conf + + { echo 'local replication all trust'; } >>tmp/pg_hba.conf + { echo 'host replication all 127.0.0.1/32 md5'; } >>tmp/pg_hba.conf + { echo 'host replication all ::1/128 md5'; } >>tmp/pg_hba.conf + + { echo 'host all all 0.0.0.0/0 md5'; } >>tmp/pg_hba.conf + { echo 'host replication postgres 0.0.0.0/0 md5'; } >>tmp/pg_hba.conf + { echo 'host all all ::/0 md5'; } >>tmp/pg_hba.conf + { echo 'host replication postgres ::/0 md5'; } >>tmp/pg_hba.conf + fi + +fi + +mv /tmp/pg_hba.conf "$PGDATA/pg_hba.conf" +exec postgres diff --git a/role_scripts/17/standby/run.sh b/role_scripts/17/standby/run.sh new file mode 100755 index 0000000..92a2897 --- /dev/null +++ b/role_scripts/17/standby/run.sh @@ -0,0 +1,293 @@ +#!/usr/bin/env bash + +# Copyright AppsCode Inc. and Contributors +# +# Licensed under the AppsCode Free Trial License 1.0.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# https://github.com/appscode/licenses/raw/1.0.0/AppsCode-Free-Trial-1.0.0.md +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +set -eou pipefail + +echo "Running as Replica" + +# set password ENV +export PGPASSWORD=${POSTGRES_PASSWORD:-postgres} + +# Waiting for running Postgres +while true; do + echo "Attempting pg_isready on primary" + + if [[ "${SSL:-0}" == "ON" ]]; then + if [[ "$CLIENT_AUTH_MODE" == "cert" ]]; then + if [[ $SSL_MODE = "verify-full" || $SSL_MODE = "verify-ca" ]]; then + pg_isready --host="$PRIMARY_HOST" -d "sslmode=$SSL_MODE sslrootcert=/tls/certs/client/ca.crt sslcert=/tls/certs/client/client.crt sslkey=/tls/certs/client/client.key" --username=postgres --timeout=2 &>/dev/null && break + else + pg_isready --host="$PRIMARY_HOST" -d "sslmode=$SSL_MODE sslcert=/tls/certs/client/client.crt sslkey=/tls/certs/client/client.key" --username=postgres --timeout=2 &>/dev/null && break + fi + else + if [[ $SSL_MODE = "verify-full" || $SSL_MODE = "verify-ca" ]]; then + pg_isready --host="$PRIMARY_HOST" -d "sslmode=$SSL_MODE sslrootcert=/tls/certs/client/ca.crt" --username=postgres --timeout=2 &>/dev/null && break + else + pg_isready --host="$PRIMARY_HOST" --username=postgres --timeout=2 &>/dev/null && break + fi + fi + else + pg_isready --host="$PRIMARY_HOST" --username=postgres --timeout=2 &>/dev/null && break + fi + + # check if current pod became leader itself + if [[ -e "/run_scripts/tmp/pg-failover-trigger" ]]; then + echo "Postgres promotion trigger_file found. Running primary run script" + /run_scripts/role/run.sh + fi + sleep 2 +done + +while true; do + echo "Attempting query on primary" + if [[ "${SSL:-0}" == "ON" ]]; then + psql -h "$PRIMARY_HOST" --username=postgres "sslmode=$SSL_MODE sslrootcert=/tls/certs/client/ca.crt sslcert=/tls/certs/client/client.crt sslkey=/tls/certs/client/client.key" --command="select now();" &>/dev/null && break + else + psql -h "$PRIMARY_HOST" --username=postgres --no-password --command="select now();" &>/dev/null && break + fi + # check if current pod became leader itself + if [[ -e "/run_scripts/tmp/pg-failover-trigger" ]]; then + echo "Postgres promotion trigger_file found. Running primary run script" + /run_scripts/role/run.sh + fi + sleep 2 +done + +if [[ "$WAL_LIMIT_POLICY" == "ReplicationSlot" ]]; then + CLEAN_HOSTNAME="${HOSTNAME//[^[:alnum:]]/}" + while true; do + echo "Create replication slot on primary" + if [[ "${SSL:-0}" == "ON" ]]; then + output=$(psql -h "$PRIMARY_HOST" --username=postgres "sslmode=$SSL_MODE sslrootcert=/tls/certs/client/ca.crt sslcert=/tls/certs/client/client.crt sslkey=/tls/certs/client/client.key" --command="SELECT pg_create_physical_replication_slot('${CLEAN_HOSTNAME}', true);" 2>&1 || true) + else + output=$(psql -h "$PRIMARY_HOST" --username=postgres --no-password --command="SELECT pg_create_physical_replication_slot('${CLEAN_HOSTNAME}', true);" 2>&1 || true) + fi + # check if current pod became leader itself + + if [[ $output == *"(1 row)"* || $output == *"already exists"* ]]; then + break + fi + + if [[ -e "/run_scripts/tmp/pg-failover-trigger" ]]; then + echo "Postgres promotion trigger_file found. Running primary run script" + /run_scripts/role/run.sh + fi + sleep 2 + done +fi + +if [[ ! -e "$PGDATA/PG_VERSION" ]]; then + echo "take base basebackup..." + mkdir -p "$PGDATA" + rm -rf "$PGDATA"/* + chmod 0700 "$PGDATA" + if [[ "${SSL:-0}" == "ON" ]]; then + pg_basebackup -X fetch --pgdata "$PGDATA" --username=postgres --progress --host="$PRIMARY_HOST" -d "sslmode=$SSL_MODE sslrootcert=/tls/certs/client/ca.crt sslcert=/tls/certs/client/client.crt sslkey=/tls/certs/client/client.key" + else + pg_basebackup -X fetch --no-password --pgdata "$PGDATA" --username=postgres --progress --host="$PRIMARY_HOST" + fi +else + /run_scripts/role/warm_stanby.sh +fi + + + +# setup postgresql.conf +touch /tmp/postgresql.conf +echo "wal_level = replica" >>/tmp/postgresql.conf +echo "shared_buffers = $SHARED_BUFFERS" >>/tmp/postgresql.conf +echo "max_wal_senders = 90" >>/tmp/postgresql.conf # default is 10. value must be less than max_connections minus superuser_reserved_connections. ref: https://www.postgresql.org/docs/11/runtime-config-replication.html#GUC-MAX-WAL-SENDERS + +# echo "wal_keep_size = 2560" >>/tmp/postgresql.conf #it was "wal_keep_segments" in earlier version. changed in version 13 +if [ ! -z "${WAL_RETAIN_PARAM:-}" ] && [ ! -z "${WAL_RETAIN_AMOUNT:-}" ]; then + echo "${WAL_RETAIN_PARAM}=${WAL_RETAIN_AMOUNT}" >>/tmp/postgresql.conf +else + echo "wal_keep_size = 2560" >>/tmp/postgresql.conf +fi +if [[ "$WAL_LIMIT_POLICY" == "ReplicationSlot" ]]; then + CLEAN_HOSTNAME="${HOSTNAME//[^[:alnum:]]/}" + echo "primary_slot_name = "$CLEAN_HOSTNAME"" >>/tmp/postgresql.conf +fi +echo "max_replication_slots = 90" >>/tmp/postgresql.conf +echo "wal_log_hints = on" >>/tmp/postgresql.conf + +# we are not doing any archiving by default but it's better to have this config in our postgresql.conf file in case of customization. +echo "archive_mode = always" >>/tmp/postgresql.conf +if [[ "${WAL_BACKUP_TYPE:-0}" == "WALG" ]]; then + echo "archive_command = 'cp %p /var/pv/wal_archive/%f'" >>/tmp/postgresql.conf +else + echo "archive_command = '/bin/true'" >>/tmp/postgresql.conf +fi + +echo "shared_preload_libraries = 'pg_stat_statements'" >>/tmp/postgresql.conf + +if [ "$STANDBY" == "hot" ]; then + echo "hot_standby = on" >>/tmp/postgresql.conf +else + echo "hot_standby = off" >>/tmp/postgresql.conf +fi + +if [[ "$STREAMING" == "synchronous" ]]; then + # setup synchronous streaming replication + echo "synchronous_commit = remote_write" >>/tmp/postgresql.conf + + # https://stackoverflow.com/a/44092231/244009 + self_idx=$(echo $HOSTNAME | grep -Eo '[0-9]+$') + echo "$self_idx" + + shopt -s extglob + sts_prefix=${HOSTNAME%%+([0-9])} + names="" + for ((i = 0; i < $REPLICAS; i++)); do + if [[ $self_idx == $i ]]; then + echo "skip $i" + else + names+="\"$sts_prefix$i\"," + fi + done + names=$(echo "$names" | rev | cut -c2- | rev) + echo "synchronous_standby_names = 'ANY 1 ("$names")'" >>/tmp/postgresql.conf +fi + +if [[ "${SSL:-0}" == "ON" ]]; then + echo "ssl = on" >>/tmp/postgresql.conf + + echo "ssl_cert_file = '/tls/certs/server/server.crt'" >>/tmp/postgresql.conf + echo "ssl_key_file = '/tls/certs/server/server.key'" >>/tmp/postgresql.conf + echo "ssl_ca_file = '/tls/certs/server/ca.crt'" >>/tmp/postgresql.conf +fi + +if [[ "$CLIENT_AUTH_MODE" == "scram" ]]; then + echo "password_encryption = scram-sha-256" >>/tmp/postgresql.conf +fi + +# ****************** Recovery config ************************** +echo "recovery_target_timeline = 'latest'" >>/tmp/postgresql.conf +# primary_conninfo is used for streaming replication +if [[ "${SSL:-0}" == "ON" ]]; then + if [[ "$CLIENT_AUTH_MODE" == "cert" ]]; then + echo "primary_conninfo = 'application_name=$HOSTNAME host=$PRIMARY_HOST user=$POSTGRES_USER password=$POSTGRES_PASSWORD sslmode=$SSL_MODE sslrootcert=/tls/certs/client/ca.crt sslcert=/tls/certs/client/client.crt sslkey=/tls/certs/client/client.key'" >>/tmp/postgresql.conf + else + echo "primary_conninfo = 'application_name=$HOSTNAME host=$PRIMARY_HOST user=$POSTGRES_USER password=$POSTGRES_PASSWORD sslmode=$SSL_MODE sslrootcert=/tls/certs/client/ca.crt'" >>/tmp/postgresql.conf + fi +else + echo "primary_conninfo = 'application_name=$HOSTNAME host=$PRIMARY_HOST user=$POSTGRES_USER password=$POSTGRES_PASSWORD'" >>/tmp/postgresql.conf +fi + +cat /run_scripts/role/postgresql.conf >>/tmp/postgresql.conf +mv /tmp/postgresql.conf "$PGDATA/postgresql.conf" + +touch "$PGDATA/standby.signal" + +# setup pg_hba.conf +touch /tmp/pg_hba.conf +{ echo '#TYPE DATABASE USER ADDRESS METHOD'; } >>tmp/pg_hba.conf +{ echo '# "local" is for Unix domain socket connections only'; } >>tmp/pg_hba.conf +{ echo 'local all all trust'; } >>tmp/pg_hba.conf + +if [[ "${SSL:-0}" == "ON" ]]; then + if [[ "$CLIENT_AUTH_MODE" == "cert" ]]; then + #*******************client auth with client.crt and key************** + + { echo '# IPv4 local connections:'; } >>tmp/pg_hba.conf + { echo 'hostssl all all 127.0.0.1/32 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + { echo '# IPv6 local connections:'; } >>tmp/pg_hba.conf + { echo 'hostssl all all ::1/128 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + + { echo 'local replication all trust'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all 127.0.0.1/32 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all ::1/128 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + + { echo 'hostssl all all 0.0.0.0/0 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + { echo 'hostssl replication postgres 0.0.0.0/0 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + { echo 'hostssl all all ::/0 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + { echo 'hostssl replication postgres ::/0 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all 0.0.0.0/0 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all ::/0 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + elif [[ "$CLIENT_AUTH_MODE" == "scram" ]]; then + { echo '# IPv4 local connections:'; } >>tmp/pg_hba.conf + { echo 'hostssl all all 127.0.0.1/32 scram-sha-256'; } >>tmp/pg_hba.conf + { echo '# IPv6 local connections:'; } >>tmp/pg_hba.conf + { echo 'hostssl all all ::1/128 scram-sha-256'; } >>tmp/pg_hba.conf + + { echo 'local replication all trust'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all 127.0.0.1/32 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all ::1/128 scram-sha-256'; } >>tmp/pg_hba.conf + + { echo 'hostssl all all 0.0.0.0/0 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'hostssl replication postgres 0.0.0.0/0 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'hostssl all all ::/0 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'hostssl replication postgres ::/0 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all 0.0.0.0/0 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all ::/0 scram-sha-256'; } >>tmp/pg_hba.conf + else + { echo '# IPv4 local connections:'; } >>tmp/pg_hba.conf + { echo 'hostssl all all 127.0.0.1/32 md5'; } >>tmp/pg_hba.conf + { echo '# IPv6 local connections:'; } >>tmp/pg_hba.conf + { echo 'hostssl all all ::1/128 md5'; } >>tmp/pg_hba.conf + + { echo 'local replication all trust'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all 127.0.0.1/32 md5'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all ::1/128 md5'; } >>tmp/pg_hba.conf + + { echo 'hostssl all all 0.0.0.0/0 md5'; } >>tmp/pg_hba.conf + { echo 'hostssl replication postgres 0.0.0.0/0 md5'; } >>tmp/pg_hba.conf + { echo 'hostssl all all ::/0 md5'; } >>tmp/pg_hba.conf + { echo 'hostssl replication postgres ::/0 md5'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all 0.0.0.0/0 md5'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all ::/0 md5'; } >>tmp/pg_hba.conf + fi + +else + if [[ "$CLIENT_AUTH_MODE" == "scram" ]]; then + { echo '# IPv4 local connections:'; } >>tmp/pg_hba.conf + { echo 'host all all 127.0.0.1/32 trust'; } >>tmp/pg_hba.conf + { echo '# IPv6 local connections:'; } >>tmp/pg_hba.conf + { echo 'host all all ::1/128 scram-sha-256'; } >>tmp/pg_hba.conf + + { echo 'local replication all scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'host replication all 127.0.0.1/32 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'host replication all ::1/128 scram-sha-256'; } >>tmp/pg_hba.conf + + { echo 'host all all 0.0.0.0/0 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'host replication postgres 0.0.0.0/0 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'host all all ::/0 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'host replication postgres ::/0 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'host replication all 0.0.0.0/0 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'host replication all ::/0 scram-sha-256'; } >>tmp/pg_hba.conf + else + { echo '# IPv4 local connections:'; } >>tmp/pg_hba.conf + { echo 'host all all 127.0.0.1/32 trust'; } >>tmp/pg_hba.conf + { echo '# IPv6 local connections:'; } >>tmp/pg_hba.conf + { echo 'host all all ::1/128 trust'; } >>tmp/pg_hba.conf + + { echo 'local replication all trust'; } >>tmp/pg_hba.conf + { echo 'host replication all 127.0.0.1/32 md5'; } >>tmp/pg_hba.conf + { echo 'host replication all ::1/128 md5'; } >>tmp/pg_hba.conf + + { echo 'host all all 0.0.0.0/0 md5'; } >>tmp/pg_hba.conf + { echo 'host replication postgres 0.0.0.0/0 md5'; } >>tmp/pg_hba.conf + { echo 'host all all ::/0 md5'; } >>tmp/pg_hba.conf + { echo 'host replication postgres ::/0 md5'; } >>tmp/pg_hba.conf + { echo 'host replication all 0.0.0.0/0 md5'; } >>tmp/pg_hba.conf + { echo 'host replication all ::/0 md5'; } >>tmp/pg_hba.conf + fi + +fi + +mv /tmp/pg_hba.conf "$PGDATA/pg_hba.conf" + +exec postgres diff --git a/role_scripts/17/standby/warm_stanby.sh b/role_scripts/17/standby/warm_stanby.sh new file mode 100755 index 0000000..0c173bb --- /dev/null +++ b/role_scripts/17/standby/warm_stanby.sh @@ -0,0 +1,198 @@ +#!/usr/bin/env bash + +# Copyright AppsCode Inc. and Contributors +# +# Licensed under the AppsCode Free Trial License 1.0.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# https://github.com/appscode/licenses/raw/1.0.0/AppsCode-Free-Trial-1.0.0.md +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# setup postgresql.conf +touch /tmp/postgresql.conf +echo "wal_level = replica" >>/tmp/postgresql.conf +echo "shared_buffers = $SHARED_BUFFERS" >>/tmp/postgresql.conf +echo "max_wal_senders = 90" >>/tmp/postgresql.conf # default is 10. value must be less than max_connections minus superuser_reserved_connections. ref: https://www.postgresql.org/docs/11/runtime-config-replication.html#GUC-MAX-WAL-SENDERS + +# echo "wal_keep_size = 2560" >>/tmp/postgresql.conf #it was "wal_keep_segments" in earlier version. changed in version 13 +if [ ! -z "${WAL_RETAIN_PARAM:-}" ] && [ ! -z "${WAL_RETAIN_AMOUNT:-}" ]; then + echo "${WAL_RETAIN_PARAM}=${WAL_RETAIN_AMOUNT}" >>/tmp/postgresql.conf +else + echo "wal_keep_size = 2560" >>/tmp/postgresql.conf +fi +if [[ "$WAL_LIMIT_POLICY" == "ReplicationSlot" ]]; then + CLEAN_HOSTNAME="${HOSTNAME//[^[:alnum:]]/}" + echo "primary_slot_name = "$CLEAN_HOSTNAME"" >>/tmp/postgresql.conf +fi + +echo "wal_log_hints = on" >>/tmp/postgresql.conf +echo "max_replication_slots = 90" >>/tmp/postgresql.conf +# we are not doing any archiving by default but it's better to have this config in our postgresql.conf file in case of customization. +echo "archive_mode = always" >>/tmp/postgresql.conf +echo "archive_command = '/bin/true'" >>/tmp/postgresql.conf + +echo "hot_standby = off" >>/tmp/postgresql.conf + +echo "shared_preload_libraries = 'pg_stat_statements'" >>/tmp/postgresql.conf + +if [[ "$STREAMING" == "synchronous" ]]; then + # setup synchronous streaming replication + echo "synchronous_commit = remote_write" >>/tmp/postgresql.conf + + # https://stackoverflow.com/a/44092231/244009 + self_idx=$(echo $HOSTNAME | grep -Eo '[0-9]+$') + echo "$self_idx" + + shopt -s extglob + sts_prefix=${HOSTNAME%%+([0-9])} + names="" + for ((i = 0; i < $REPLICAS; i++)); do + if [[ $self_idx == $i ]]; then + echo "skip $i" + else + names+="\"$sts_prefix$i\"," + fi + done + names=$(echo "$names" | rev | cut -c2- | rev) + echo "synchronous_standby_names = 'ANY 1 ("$names")'" >>/tmp/postgresql.conf +fi + +if [[ "${SSL:-0}" == "ON" ]]; then + echo "ssl = on" >>/tmp/postgresql.conf + + echo "ssl_cert_file = '/tls/certs/server/server.crt'" >>/tmp/postgresql.conf + echo "ssl_key_file = '/tls/certs/server/server.key'" >>/tmp/postgresql.conf + echo "ssl_ca_file = '/tls/certs/server/ca.crt'" >>/tmp/postgresql.conf +fi + +if [[ "$CLIENT_AUTH_MODE" == "scram" ]]; then + echo "password_encryption = scram-sha-256" >>/tmp/postgresql.conf +fi + +# ****************** Recovery config ************************** +echo "recovery_target_timeline = 'latest'" >>/tmp/postgresql.conf +# primary_conninfo is used for streaming replication +if [[ "${SSL:-0}" == "ON" ]]; then + if [[ "$CLIENT_AUTH_MODE" == "cert" ]]; then + echo "primary_conninfo = 'application_name=$HOSTNAME host=$PRIMARY_HOST user=$POSTGRES_USER password=$POSTGRES_PASSWORD sslmode=$SSL_MODE sslrootcert=/tls/certs/client/ca.crt sslcert=/tls/certs/client/client.crt sslkey=/tls/certs/client/client.key'" >>/tmp/postgresql.conf + else + echo "primary_conninfo = 'application_name=$HOSTNAME host=$PRIMARY_HOST user=$POSTGRES_USER password=$POSTGRES_PASSWORD sslmode=$SSL_MODE sslrootcert=/tls/certs/client/ca.crt'" >>/tmp/postgresql.conf + fi +else + echo "primary_conninfo = 'application_name=$HOSTNAME host=$PRIMARY_HOST user=$POSTGRES_USER password=$POSTGRES_PASSWORD'" >>/tmp/postgresql.conf +fi + +cat /run_scripts/role/postgresql.conf >>/tmp/postgresql.conf +mv /tmp/postgresql.conf "$PGDATA/postgresql.conf" + +touch "$PGDATA/standby.signal" + +# setup pg_hba.conf +touch /tmp/pg_hba.conf +{ echo '#TYPE DATABASE USER ADDRESS METHOD'; } >>tmp/pg_hba.conf +{ echo '# "local" is for Unix domain socket connections only'; } >>tmp/pg_hba.conf +{ echo 'local all all trust'; } >>tmp/pg_hba.conf + +if [[ "${SSL:-0}" == "ON" ]]; then + if [[ "$CLIENT_AUTH_MODE" == "cert" ]]; then + #*******************client auth with client.crt and key************** + + { echo '# IPv4 local connections:'; } >>tmp/pg_hba.conf + { echo 'hostssl all all 127.0.0.1/32 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + { echo '# IPv6 local connections:'; } >>tmp/pg_hba.conf + { echo 'hostssl all all ::1/128 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + + { echo 'local replication all trust'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all 127.0.0.1/32 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all ::1/128 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + + { echo 'hostssl all all 0.0.0.0/0 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + { echo 'hostssl replication postgres 0.0.0.0/0 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + { echo 'hostssl all all ::/0 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + { echo 'hostssl replication postgres ::/0 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all 0.0.0.0/0 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all ::/0 cert clientcert=verify-full'; } >>tmp/pg_hba.conf + elif [[ "$CLIENT_AUTH_MODE" == "scram" ]]; then + { echo '# IPv4 local connections:'; } >>tmp/pg_hba.conf + { echo 'hostssl all all 127.0.0.1/32 scram-sha-256'; } >>tmp/pg_hba.conf + { echo '# IPv6 local connections:'; } >>tmp/pg_hba.conf + { echo 'hostssl all all ::1/128 scram-sha-256'; } >>tmp/pg_hba.conf + + { echo 'local replication all trust'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all 127.0.0.1/32 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all ::1/128 scram-sha-256'; } >>tmp/pg_hba.conf + + { echo 'hostssl all all 0.0.0.0/0 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'hostssl replication postgres 0.0.0.0/0 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'hostssl all all ::/0 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'hostssl replication postgres ::/0 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all 0.0.0.0/0 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all ::/0 scram-sha-256'; } >>tmp/pg_hba.conf + else + { echo '# IPv4 local connections:'; } >>tmp/pg_hba.conf + { echo 'hostssl all all 127.0.0.1/32 md5'; } >>tmp/pg_hba.conf + { echo '# IPv6 local connections:'; } >>tmp/pg_hba.conf + { echo 'hostssl all all ::1/128 md5'; } >>tmp/pg_hba.conf + + { echo 'local replication all trust'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all 127.0.0.1/32 md5'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all ::1/128 md5'; } >>tmp/pg_hba.conf + + { echo 'hostssl all all 0.0.0.0/0 md5'; } >>tmp/pg_hba.conf + { echo 'hostssl replication postgres 0.0.0.0/0 md5'; } >>tmp/pg_hba.conf + { echo 'hostssl all all ::/0 md5'; } >>tmp/pg_hba.conf + { echo 'hostssl replication postgres ::/0 md5'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all 0.0.0.0/0 md5'; } >>tmp/pg_hba.conf + { echo 'hostssl replication all ::/0 md5'; } >>tmp/pg_hba.conf + fi + +else + if [[ "$CLIENT_AUTH_MODE" == "scram" ]]; then + { echo '# IPv4 local connections:'; } >>tmp/pg_hba.conf + { echo 'host all all 127.0.0.1/32 trust'; } >>tmp/pg_hba.conf + { echo '# IPv6 local connections:'; } >>tmp/pg_hba.conf + { echo 'host all all ::1/128 scram-sha-256'; } >>tmp/pg_hba.conf + + { echo 'local replication all scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'host replication all 127.0.0.1/32 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'host replication all ::1/128 scram-sha-256'; } >>tmp/pg_hba.conf + + { echo 'host all all 0.0.0.0/0 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'host replication postgres 0.0.0.0/0 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'host all all ::/0 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'host replication postgres ::/0 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'host replication all 0.0.0.0/0 scram-sha-256'; } >>tmp/pg_hba.conf + { echo 'host replication all ::/0 scram-sha-256'; } >>tmp/pg_hba.conf + else + { echo '# IPv4 local connections:'; } >>tmp/pg_hba.conf + { echo 'host all all 127.0.0.1/32 trust'; } >>tmp/pg_hba.conf + { echo '# IPv6 local connections:'; } >>tmp/pg_hba.conf + { echo 'host all all ::1/128 trust'; } >>tmp/pg_hba.conf + + { echo 'local replication all trust'; } >>tmp/pg_hba.conf + { echo 'host replication all 127.0.0.1/32 md5'; } >>tmp/pg_hba.conf + { echo 'host replication all ::1/128 md5'; } >>tmp/pg_hba.conf + + { echo 'host all all 0.0.0.0/0 md5'; } >>tmp/pg_hba.conf + { echo 'host replication postgres 0.0.0.0/0 md5'; } >>tmp/pg_hba.conf + { echo 'host all all ::/0 md5'; } >>tmp/pg_hba.conf + { echo 'host replication postgres ::/0 md5'; } >>tmp/pg_hba.conf + { echo 'host replication all 0.0.0.0/0 md5'; } >>tmp/pg_hba.conf + { echo 'host replication all ::/0 md5'; } >>tmp/pg_hba.conf + fi + +fi + +mv /tmp/pg_hba.conf "$PGDATA/pg_hba.conf" +# start postgres +pg_ctl -D "$PGDATA" -w start --timeout 5 + +sleep 1 +# stop server +pg_ctl -D "$PGDATA" -m fast -w stop diff --git a/scripts/restore.sh b/scripts/restore.sh index 3666d87..6bac9c7 100755 --- a/scripts/restore.sh +++ b/scripts/restore.sh @@ -1,11 +1,14 @@ #!/bin/bash +INSIDE="false" +IN_MIDDLE_OF_BB="false" DONE_FILE="var/pv/done.txt" LOG_DIR="$PGDATA"/log -PATTERN1="recovery stopping before commit of transaction" +PATTERN1="recovery stopping" PATTERN2="pausing at the end of recovery" PATTERN3="Execute pg_wal_replay_resume()" PATTERN4="recovery has paused" +PATTERN5="requested recovery stop point is before consistent recovery point" LOG_FILE_PATTERN="postgresql-*.log" RECOVERY_FILE="$PGDATA"/recovery.signal mkdir -p $PGDATA @@ -20,7 +23,11 @@ if [[ "${WALG_BASE_BACKUP_NAME:-0}" != "0" ]]; then fi # check postgresql veriosn - +if [[ "$PITR_LSN" != "" ]]; then + echo "Trying to restore upto lsn: $PITR_LSN commit-time: $PITR_TIME" +else + echo "Trying to restore in time: "$PITR_TIME +fi if [[ "$PG_MAJOR" == "11" ]]; then RECOVERY_FILE="$PGDATA"/recovery.conf @@ -52,7 +59,11 @@ else touch /tmp/postgresql.conf echo "restore_command = 'wal-g wal-fetch %f %p'" >>/tmp/postgresql.conf if [[ "${PITR_TIME:-0}" != "latest" ]]; then + if [[ "$PITR_LSN" != "" ]]; then + echo "recovery_target_lsn = '$PITR_LSN'" >>/tmp/postgresql.conf + else echo "recovery_target_time = '$PITR_TIME'" >>/tmp/postgresql.conf + fi else echo "recovery_target_timeline = 'latest'" >>/tmp/postgresql.conf fi @@ -67,7 +78,6 @@ else fi echo "hot_standby = on" >>/tmp/postgresql.conf echo "wal_log_hints = on" >>/tmp/postgresql.conf - fi # ****************** Recovery config 12 ************************** @@ -93,6 +103,7 @@ sleep 10 # | [[ ! -e /var/pv/data/restore.done]] while [[ -e "$RECOVERY_FILE" && -e /var/pv/data/postmaster.pid ]]; do echo "restoring..." + INSIDE="true" cluster_state=$(pg_controldata | grep "Database cluster state" | awk '{print $4, $5}') if [[ $cluster_state == "in production" ]]; then rm -rf "$RECOVERY_FILE" @@ -111,7 +122,6 @@ while [[ -e "$RECOVERY_FILE" && -e /var/pv/data/postmaster.pid ]]; do sleep 1 done - sleep 8 # Find and output all log files matching the pattern for log_file in "$LOG_DIR"/$LOG_FILE_PATTERN; do @@ -119,10 +129,18 @@ for log_file in "$LOG_DIR"/$LOG_FILE_PATTERN; do echo "Outputting contents of: $log_file" cat "$log_file" echo "---------------------------------------" + if grep -rq "$PATTERN5" "$log_file"; then + IN_MIDDLE_OF_BB="true" + fi done +if [[ "$IN_MIDDLE_OF_BB" != "false" ]];then + echo "PITR Restore timestamp might fall in between a base backup." + echo "Consider choosing a point that do not lies in between a base backup." + echo "Hints: decrease the PITR time or increase it in case you have another base backup taken after current PITR time" +fi -if [[ ! -e "$RECOVERY_FILE" ]]; then +if [[ ! -e "$RECOVERY_FILE" && "$INSIDE" == "true" ]]; then echo "database successfully recovered...." exit 0 else