Merge pull request #903 from soebbing/influxdb

Add influxdb module

examples/influxdb/.test.sh

@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+set -ex
+
+devenv up &
+DEVENV_PID=$!
+export DEVENV_PID
+
+function stop() {
+    pkill -P "$DEVENV_PID"
+}
+
+trap stop EXIT
+
+# We test for the none-default port, configured in the nix file
+timeout 60 bash -c 'until echo > /dev/tcp/localhost/8087; do sleep 0.5; done'
+
+influx --port 8087 --execute "CREATE DATABASE devenv"
+DATABASES=$(influx  --port 8087 --execute "SHOW DATABASES" | grep devenv)
+
+if [[ "$DATABASES" != "devenv" ]]; then
+  echo "The influxdb database was not created"
+  exit 1
+fi

examples/influxdb/devenv.nix

@@ -0,0 +1,74 @@
+{ pkgs, config, ... }:
+
+let
+  cfg = config.services.influxdb;
+in
+{
+  packages = [
+    pkgs.influxdb
+  ];
+
+  services.influxdb.enable = true;
+  services.influxdb.config = ''
+    [meta]
+      dir = "/tmp/influxdb/meta"
+
+    [data]
+      dir = "/tmp/influxdb/data"
+      wal-dir = "/tmp/influxdb/wal"
+      query-log-enabled = true
+      cache-max-memory-size = 1048576000
+      cache-snapshot-memory-size = 26214400
+      cache-snapshot-write-cold-duration = "10m"
+      compact-full-write-cold-duration = "4h"
+
+    [coordinator]
+      write-timeout = "10s"
+      max-concurrent-queries = 0
+      query-timeout = "0s"
+      log-queries-after = "0s"
+      max-select-point = 0
+      max-select-series = 0
+      max-select-buckets = 0
+
+    [retention]
+      enabled = true
+      check-interval = "30m"
+
+    [shard-precreation]
+      enabled = true
+      check-interval = "10m"
+      advance-period = "30m"
+
+    [monitor]
+      store-enabled = true
+      store-database = "_internal"
+      store-interval = "10s"
+
+    [http]
+      enabled = true
+      bind-address = ":8087"
+      auth-enabled = false
+      log-enabled = true
+      write-tracing = false
+      pprof-enabled = true
+      https-enabled = false
+
+    [logging]
+      format = "auto"
+      level = "info"
+      suppress-logo = false
+
+    [[graphite]]
+      enabled = false
+
+    [[collectd]]
+      enabled = false
+
+    [[opentsdb]]
+      enabled = false
+
+    [[udp]]
+      enabled = false
+  '';
+}

examples/influxdb/devenv.yaml

@@ -0,0 +1,3 @@
+inputs:
+  nixpkgs:
+    url: github:NixOS/nixpkgs/nixpkgs-unstable

src/modules/services/influxdb.nix

@@ -0,0 +1,28 @@
+{ pkgs, lib, config, ... }:
+
+let
+  cfg = config.services.influxdb;
+  types = lib.types;
+in
+{
+  options.services.influxdb = {
+    enable = lib.mkEnableOption "influxdb";
+
+    package = lib.mkOption {
+      type = types.package;
+      description = "An open-source distributed time series database";
+      default = pkgs.influxdb;
+      defaultText = lib.literalExpression "pkgs.influxdb";
+    };
+
+    config = lib.mkOption {
+      type = types.lines;
+      default = "";
+      description = "Configuration for InfluxDB-server";
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    processes.influxdb-server.exec = "${cfg.package}/bin/influxd -config ${pkgs.writeText "influxdb.conf" cfg.config}";
+  };
+}