forked from influxdata/telegraf
-
Notifications
You must be signed in to change notification settings - Fork 0
/
redis_test.go
504 lines (460 loc) · 15.4 KB
/
redis_test.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
package redis
import (
"bufio"
"fmt"
"strings"
"testing"
"time"
"github.com/go-redis/redis"
"github.com/influxdata/telegraf/testutil"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
type testClient struct {
}
func (t *testClient) BaseTags() map[string]string {
return map[string]string{"host": "redis.net"}
}
func (t *testClient) Info() *redis.StringCmd {
return nil
}
func (t *testClient) Do(_ string, _ ...interface{}) (interface{}, error) {
return 2, nil
}
func TestRedisConnectIntegration(t *testing.T) {
if testing.Short() {
t.Skip("Skipping integration test in short mode")
}
addr := fmt.Sprintf(testutil.GetLocalHost() + ":6379")
r := &Redis{
Log: testutil.Logger{},
Servers: []string{addr},
}
var acc testutil.Accumulator
err := acc.GatherError(r.Gather)
require.NoError(t, err)
}
func TestRedis_Commands(t *testing.T) {
const redisListKey = "test-list-length"
var acc testutil.Accumulator
tc := &testClient{}
rc := &RedisCommand{
Command: []interface{}{"llen", "test-list"},
Field: redisListKey,
Type: "integer",
}
r := &Redis{
Commands: []*RedisCommand{rc},
clients: []Client{tc},
}
err := r.gatherCommandValues(tc, &acc)
require.NoError(t, err)
fields := map[string]interface{}{
redisListKey: 2,
}
acc.AssertContainsFields(t, "redis_commands", fields)
}
func TestRedis_ParseMetrics(t *testing.T) {
var acc testutil.Accumulator
tags := map[string]string{"host": "redis.net"}
rdr := bufio.NewReader(strings.NewReader(testOutput))
err := gatherInfoOutput(rdr, &acc, tags)
require.NoError(t, err)
tags = map[string]string{"host": "redis.net", "replication_role": "master"}
fields := map[string]interface{}{
"uptime": int64(238),
"lru_clock": int64(2364819),
"clients": int64(1),
"client_longest_output_list": int64(0),
"client_biggest_input_buf": int64(0),
"blocked_clients": int64(0),
"used_memory": int64(1003936),
"used_memory_rss": int64(811008),
"used_memory_peak": int64(1003936),
"used_memory_lua": int64(33792),
"used_memory_peak_perc": float64(93.58),
"used_memory_dataset_perc": float64(20.27),
"mem_fragmentation_ratio": float64(0.81),
"loading": int64(0),
"rdb_changes_since_last_save": int64(0),
"rdb_bgsave_in_progress": int64(0),
"rdb_last_save_time": int64(1428427941),
"rdb_last_bgsave_status": "ok",
"rdb_last_bgsave_time_sec": int64(-1),
"rdb_current_bgsave_time_sec": int64(-1),
"aof_enabled": int64(0),
"aof_rewrite_in_progress": int64(0),
"aof_rewrite_scheduled": int64(0),
"aof_last_rewrite_time_sec": int64(-1),
"aof_current_rewrite_time_sec": int64(-1),
"aof_last_bgrewrite_status": "ok",
"aof_last_write_status": "ok",
"total_connections_received": int64(2),
"total_commands_processed": int64(1),
"instantaneous_ops_per_sec": int64(0),
"instantaneous_input_kbps": float64(876.16),
"instantaneous_output_kbps": float64(3010.23),
"rejected_connections": int64(0),
"sync_full": int64(0),
"sync_partial_ok": int64(0),
"sync_partial_err": int64(0),
"expired_keys": int64(0),
"evicted_keys": int64(0),
"keyspace_hits": int64(1),
"keyspace_misses": int64(1),
"pubsub_channels": int64(0),
"pubsub_patterns": int64(0),
"latest_fork_usec": int64(0),
"connected_slaves": int64(2),
"master_repl_offset": int64(0),
"repl_backlog_active": int64(0),
"repl_backlog_size": int64(1048576),
"repl_backlog_first_byte_offset": int64(0),
"repl_backlog_histlen": int64(0),
"second_repl_offset": int64(-1),
"used_cpu_sys": float64(0.14),
"used_cpu_user": float64(0.05),
"used_cpu_sys_children": float64(0.00),
"used_cpu_user_children": float64(0.00),
"keyspace_hitrate": float64(0.50),
"redis_version": "6.0.9",
"active_defrag_hits": int64(0),
"active_defrag_key_hits": int64(0),
"active_defrag_key_misses": int64(0),
"active_defrag_misses": int64(0),
"active_defrag_running": int64(0),
"allocator_active": int64(1022976),
"allocator_allocated": int64(1019632),
"allocator_frag_bytes": float64(3344),
"allocator_frag_ratio": float64(1.00),
"allocator_resident": int64(1022976),
"allocator_rss_bytes": int64(0),
"allocator_rss_ratio": float64(1.00),
"aof_last_cow_size": int64(0),
"client_recent_max_input_buffer": int64(16),
"client_recent_max_output_buffer": int64(0),
"clients_in_timeout_table": int64(0),
"cluster_enabled": int64(0),
"expire_cycle_cpu_milliseconds": int64(669),
"expired_stale_perc": float64(0.00),
"expired_time_cap_reached_count": int64(0),
"io_threaded_reads_processed": int64(0),
"io_threaded_writes_processed": int64(0),
"total_reads_processed": int64(31),
"total_writes_processed": int64(17),
"lazyfree_pending_objects": int64(0),
"maxmemory": int64(0),
"maxmemory_policy": string("noeviction"),
"mem_aof_buffer": int64(0),
"mem_clients_normal": int64(17440),
"mem_clients_slaves": int64(0),
"mem_fragmentation_bytes": int64(41232),
"mem_not_counted_for_evict": int64(0),
"mem_replication_backlog": int64(0),
"rss_overhead_bytes": int64(37888),
"rss_overhead_ratio": float64(1.04),
"total_system_memory": int64(17179869184),
"used_memory_dataset": int64(47088),
"used_memory_overhead": int64(1019152),
"used_memory_scripts": int64(0),
"used_memory_startup": int64(1001712),
"migrate_cached_sockets": int64(0),
"module_fork_in_progress": int64(0),
"module_fork_last_cow_size": int64(0),
"number_of_cached_scripts": int64(0),
"rdb_last_cow_size": int64(0),
"slave_expires_tracked_keys": int64(0),
"unexpected_error_replies": int64(0),
"total_net_input_bytes": int64(381),
"total_net_output_bytes": int64(71521),
"tracking_clients": int64(0),
"tracking_total_items": int64(0),
"tracking_total_keys": int64(0),
"tracking_total_prefixes": int64(0),
}
// We have to test rdb_last_save_time_offset manually because the value is based on the time when gathered
for _, m := range acc.Metrics {
for k, v := range m.Fields {
if k == "rdb_last_save_time_elapsed" {
fields[k] = v
}
}
}
assert.InDelta(t,
time.Now().Unix()-fields["rdb_last_save_time"].(int64),
fields["rdb_last_save_time_elapsed"].(int64),
2) // allow for 2 seconds worth of offset
keyspaceTags := map[string]string{"host": "redis.net", "replication_role": "master", "database": "db0"}
keyspaceFields := map[string]interface{}{
"avg_ttl": int64(0),
"expires": int64(0),
"keys": int64(2),
}
acc.AssertContainsTaggedFields(t, "redis", fields, tags)
acc.AssertContainsTaggedFields(t, "redis_keyspace", keyspaceFields, keyspaceTags)
cmdstatSetTags := map[string]string{"host": "redis.net", "replication_role": "master", "command": "set"}
cmdstatSetFields := map[string]interface{}{
"calls": int64(261265),
"usec": int64(1634157),
"usec_per_call": float64(6.25),
}
acc.AssertContainsTaggedFields(t, "redis_cmdstat", cmdstatSetFields, cmdstatSetTags)
cmdstatCommandTags := map[string]string{"host": "redis.net", "replication_role": "master", "command": "command"}
cmdstatCommandFields := map[string]interface{}{
"calls": int64(1),
"usec": int64(990),
"usec_per_call": float64(990.0),
}
acc.AssertContainsTaggedFields(t, "redis_cmdstat", cmdstatCommandFields, cmdstatCommandTags)
replicationTags := map[string]string{
"host": "redis.net",
"replication_role": "slave",
"replica_id": "0",
"replica_ip": "127.0.0.1",
"replica_port": "7379",
"state": "online",
}
replicationFields := map[string]interface{}{
"lag": int64(0),
"offset": int64(4556468),
}
acc.AssertContainsTaggedFields(t, "redis_replication", replicationFields, replicationTags)
replicationTags = map[string]string{
"host": "redis.net",
"replication_role": "slave",
"replica_id": "1",
"replica_ip": "127.0.0.1",
"replica_port": "8379",
"state": "send_bulk",
}
replicationFields = map[string]interface{}{
"lag": int64(1),
"offset": int64(0),
}
acc.AssertContainsTaggedFields(t, "redis_replication", replicationFields, replicationTags)
}
func TestRedis_ParseFloatOnInts(t *testing.T) {
var acc testutil.Accumulator
tags := map[string]string{"host": "redis.net"}
rdr := bufio.NewReader(strings.NewReader(strings.Replace(testOutput, "mem_fragmentation_ratio:0.81", "mem_fragmentation_ratio:1", 1)))
err := gatherInfoOutput(rdr, &acc, tags)
require.NoError(t, err)
var m *testutil.Metric
for i := range acc.Metrics {
if _, ok := acc.Metrics[i].Fields["mem_fragmentation_ratio"]; ok {
m = acc.Metrics[i]
break
}
}
require.NotNil(t, m)
fragRatio, ok := m.Fields["mem_fragmentation_ratio"]
require.True(t, ok)
require.IsType(t, float64(0.0), fragRatio)
}
func TestRedis_ParseIntOnFloats(t *testing.T) {
var acc testutil.Accumulator
tags := map[string]string{"host": "redis.net"}
rdr := bufio.NewReader(strings.NewReader(strings.Replace(testOutput, "clients_in_timeout_table:0", "clients_in_timeout_table:0.0", 1)))
err := gatherInfoOutput(rdr, &acc, tags)
require.NoError(t, err)
var m *testutil.Metric
for i := range acc.Metrics {
if _, ok := acc.Metrics[i].Fields["clients_in_timeout_table"]; ok {
m = acc.Metrics[i]
break
}
}
require.NotNil(t, m)
clientsInTimeout, ok := m.Fields["clients_in_timeout_table"]
require.True(t, ok)
require.IsType(t, int64(0), clientsInTimeout)
}
func TestRedis_ParseStringOnInts(t *testing.T) {
var acc testutil.Accumulator
tags := map[string]string{"host": "redis.net"}
rdr := bufio.NewReader(strings.NewReader(strings.Replace(testOutput, "maxmemory_policy:no-eviction", "maxmemory_policy:1", 1)))
err := gatherInfoOutput(rdr, &acc, tags)
require.NoError(t, err)
var m *testutil.Metric
for i := range acc.Metrics {
if _, ok := acc.Metrics[i].Fields["maxmemory_policy"]; ok {
m = acc.Metrics[i]
break
}
}
require.NotNil(t, m)
maxmemoryPolicy, ok := m.Fields["maxmemory_policy"]
require.True(t, ok)
require.IsType(t, string(""), maxmemoryPolicy)
}
func TestRedis_ParseIntOnString(t *testing.T) {
var acc testutil.Accumulator
tags := map[string]string{"host": "redis.net"}
rdr := bufio.NewReader(strings.NewReader(strings.Replace(testOutput, "clients_in_timeout_table:0", `clients_in_timeout_table:""`, 1)))
err := gatherInfoOutput(rdr, &acc, tags)
require.NoError(t, err)
var m *testutil.Metric
for i := range acc.Metrics {
if _, ok := acc.Metrics[i].Fields["clients_in_timeout_table"]; ok {
m = acc.Metrics[i]
break
}
}
require.NotNil(t, m)
clientsInTimeout, ok := m.Fields["clients_in_timeout_table"]
require.True(t, ok)
require.IsType(t, int64(0), clientsInTimeout)
}
const testOutput = `# Server
redis_version:6.0.9
redis_git_sha1:00000000
redis_git_dirty:0
redis_build_id:26c3229b35eb3beb
redis_mode:standalone
os:Darwin 19.6.0 x86_64
arch_bits:64
multiplexing_api:kqueue
atomicvar_api:atomic-builtin
gcc_version:4.2.1
process_id:46677
run_id:5d6bf38087b23e48f1a59b7aca52e2b55438b02f
tcp_port:6379
uptime_in_seconds:238
uptime_in_days:0
hz:10
configured_hz:10
lru_clock:2364819
executable:/usr/local/opt/redis/bin/redis-server
config_file:/usr/local/etc/redis.conf
io_threads_active:0
# Clients
client_recent_max_input_buffer:16
client_recent_max_output_buffer:0
tracking_clients:0
clients_in_timeout_table:0
connected_clients:1
client_longest_output_list:0
client_biggest_input_buf:0
blocked_clients:0
# Memory
used_memory:1003936
used_memory_human:980.41K
used_memory_rss:811008
used_memory_rss_human:1.01M
used_memory_peak:1003936
used_memory_peak_human:980.41K
used_memory_peak_perc:93.58%
used_memory_overhead:1019152
used_memory_startup:1001712
used_memory_dataset:47088
used_memory_dataset_perc:20.27%
allocator_allocated:1019632
allocator_active:1022976
allocator_resident:1022976
total_system_memory:17179869184
total_system_memory_human:16.00G
used_memory_lua:33792
used_memory_lua_human:37.00K
used_memory_scripts:0
used_memory_scripts_human:0B
number_of_cached_scripts:0
maxmemory:0
maxmemory_human:0B
maxmemory_policy:noeviction
allocator_frag_ratio:1.00
allocator_frag_bytes:3344
allocator_rss_ratio:1.00
allocator_rss_bytes:0
rss_overhead_ratio:1.04
rss_overhead_bytes:37888
mem_fragmentation_ratio:0.81
mem_fragmentation_bytes:41232
mem_not_counted_for_evict:0
mem_replication_backlog:0
mem_clients_slaves:0
mem_clients_normal:17440
mem_aof_buffer:0
mem_allocator:libc
active_defrag_running:0
lazyfree_pending_objects:0
# Persistence
loading:0
rdb_changes_since_last_save:0
rdb_bgsave_in_progress:0
rdb_last_save_time:1428427941
rdb_last_bgsave_status:ok
rdb_last_bgsave_time_sec:-1
rdb_current_bgsave_time_sec:-1
rdb_last_cow_size:0
aof_enabled:0
aof_rewrite_in_progress:0
aof_rewrite_scheduled:0
aof_last_rewrite_time_sec:-1
aof_current_rewrite_time_sec:-1
aof_last_bgrewrite_status:ok
aof_last_write_status:ok
aof_last_cow_size:0
module_fork_in_progress:0
module_fork_last_cow_size:0
# Stats
total_connections_received:2
total_commands_processed:1
instantaneous_ops_per_sec:0
total_net_input_bytes:381
total_net_output_bytes:71521
instantaneous_input_kbps:876.16
instantaneous_output_kbps:3010.23
rejected_connections:0
sync_full:0
sync_partial_ok:0
sync_partial_err:0
expired_keys:0
expired_stale_perc:0.00
expired_time_cap_reached_count:0
expire_cycle_cpu_milliseconds:669
evicted_keys:0
keyspace_hits:1
keyspace_misses:1
pubsub_channels:0
pubsub_patterns:0
latest_fork_usec:0
migrate_cached_sockets:0
slave_expires_tracked_keys:0
active_defrag_hits:0
active_defrag_misses:0
active_defrag_key_hits:0
active_defrag_key_misses:0
tracking_total_keys:0
tracking_total_items:0
tracking_total_prefixes:0
unexpected_error_replies:0
total_reads_processed:31
total_writes_processed:17
io_threaded_reads_processed:0
io_threaded_writes_processed:0
# Replication
role:master
connected_slaves:2
slave0:ip=127.0.0.1,port=7379,state=online,offset=4556468,lag=0
slave1:ip=127.0.0.1,port=8379,state=send_bulk,offset=0,lag=1
master_replid:8c4d7b768b26826825ceb20ff4a2c7c54616350b
master_replid2:0000000000000000000000000000000000000000
master_repl_offset:0
second_repl_offset:-1
repl_backlog_active:0
repl_backlog_size:1048576
repl_backlog_first_byte_offset:0
repl_backlog_histlen:0
# CPU
used_cpu_sys:0.14
used_cpu_user:0.05
used_cpu_sys_children:0.00
used_cpu_user_children:0.00
# Cluster
cluster_enabled:0
# Commandstats
cmdstat_set:calls=261265,usec=1634157,usec_per_call=6.25
cmdstat_command:calls=1,usec=990,usec_per_call=990.00
# Keyspace
db0:keys=2,expires=0,avg_ttl=0
(error) ERR unknown command 'eof'`