add missing redis metrics
This makes sure that all redis metrics are present without having to use a hard-coded list of what metrics to pull in.
This commit is contained in:
Patrick Hemmer
parent
cc2b53abf4
commit
41a5ee6571
|
|
@ -9,6 +9,7 @@
|
|||
- [#1572](https://github.com/influxdata/telegraf/pull/1572): mesos improvements.
|
||||
- [#1513](https://github.com/influxdata/telegraf/issues/1513): Add Ceph Cluster Performance Statistics
|
||||
- [#1650](https://github.com/influxdata/telegraf/issues/1650): Ability to configure response_timeout in httpjson input.
|
||||
- [#1685](https://github.com/influxdata/telegraf/issues/1685): Add additional redis metrics.
|
||||
|
||||
### Bugfixes
|
||||
|
||||
|
|
|
|||
|
|
@ -46,37 +46,6 @@ func (r *Redis) Description() string {
|
|||
var Tracking = map[string]string{
|
||||
"uptime_in_seconds": "uptime",
|
||||
"connected_clients": "clients",
|
||||
"used_memory": "used_memory",
|
||||
"used_memory_rss": "used_memory_rss",
|
||||
"used_memory_peak": "used_memory_peak",
|
||||
"used_memory_lua": "used_memory_lua",
|
||||
"rdb_changes_since_last_save": "rdb_changes_since_last_save",
|
||||
"total_connections_received": "total_connections_received",
|
||||
"total_commands_processed": "total_commands_processed",
|
||||
"instantaneous_ops_per_sec": "instantaneous_ops_per_sec",
|
||||
"instantaneous_input_kbps": "instantaneous_input_kbps",
|
||||
"instantaneous_output_kbps": "instantaneous_output_kbps",
|
||||
"sync_full": "sync_full",
|
||||
"sync_partial_ok": "sync_partial_ok",
|
||||
"sync_partial_err": "sync_partial_err",
|
||||
"expired_keys": "expired_keys",
|
||||
"evicted_keys": "evicted_keys",
|
||||
"keyspace_hits": "keyspace_hits",
|
||||
"keyspace_misses": "keyspace_misses",
|
||||
"pubsub_channels": "pubsub_channels",
|
||||
"pubsub_patterns": "pubsub_patterns",
|
||||
"latest_fork_usec": "latest_fork_usec",
|
||||
"connected_slaves": "connected_slaves",
|
||||
"master_repl_offset": "master_repl_offset",
|
||||
"master_last_io_seconds_ago": "master_last_io_seconds_ago",
|
||||
"repl_backlog_active": "repl_backlog_active",
|
||||
"repl_backlog_size": "repl_backlog_size",
|
||||
"repl_backlog_histlen": "repl_backlog_histlen",
|
||||
"mem_fragmentation_ratio": "mem_fragmentation_ratio",
|
||||
"used_cpu_sys": "used_cpu_sys",
|
||||
"used_cpu_user": "used_cpu_user",
|
||||
"used_cpu_sys_children": "used_cpu_sys_children",
|
||||
"used_cpu_user_children": "used_cpu_user_children",
|
||||
"role": "replication_role",
|
||||
}
|
||||
|
||||
|
|
@ -188,6 +157,7 @@ func gatherInfoOutput(
|
|||
acc telegraf.Accumulator,
|
||||
tags map[string]string,
|
||||
) error {
|
||||
var section string
|
||||
var keyspace_hits, keyspace_misses uint64 = 0, 0
|
||||
|
||||
scanner := bufio.NewScanner(rdr)
|
||||
|
|
@ -198,7 +168,13 @@ func gatherInfoOutput(
|
|||
break
|
||||
}
|
||||
|
||||
if len(line) == 0 || line[0] == '#' {
|
||||
if len(line) == 0 {
|
||||
continue
|
||||
}
|
||||
if line[0] == '#' {
|
||||
if len(line) > 2 {
|
||||
section = line[2:]
|
||||
}
|
||||
continue
|
||||
}
|
||||
|
||||
|
|
@ -206,42 +182,69 @@ func gatherInfoOutput(
|
|||
if len(parts) < 2 {
|
||||
continue
|
||||
}
|
||||
|
||||
name := string(parts[0])
|
||||
|
||||
if section == "Server" {
|
||||
if name != "lru_clock" && name != "uptime_in_seconds" {
|
||||
continue
|
||||
}
|
||||
}
|
||||
|
||||
if name == "mem_allocator" {
|
||||
continue
|
||||
}
|
||||
|
||||
if strings.HasSuffix(name, "_human") {
|
||||
continue
|
||||
}
|
||||
|
||||
metric, ok := Tracking[name]
|
||||
if !ok {
|
||||
if section == "Keyspace" {
|
||||
kline := strings.TrimSpace(string(parts[1]))
|
||||
gatherKeyspaceLine(name, kline, acc, tags)
|
||||
continue
|
||||
}
|
||||
metric = name
|
||||
}
|
||||
|
||||
val := strings.TrimSpace(parts[1])
|
||||
ival, err := strconv.ParseUint(val, 10, 64)
|
||||
|
||||
if name == "keyspace_hits" {
|
||||
// Try parsing as a uint
|
||||
if ival, err := strconv.ParseUint(val, 10, 64); err == nil {
|
||||
switch name {
|
||||
case "keyspace_hits":
|
||||
keyspace_hits = ival
|
||||
case "keyspace_misses":
|
||||
keyspace_misses = ival
|
||||
case "rdb_last_save_time":
|
||||
// influxdb can't calculate this, so we have to do it
|
||||
fields["rdb_last_save_time_elapsed"] = uint64(time.Now().Unix()) - ival
|
||||
}
|
||||
fields[metric] = ival
|
||||
continue
|
||||
}
|
||||
|
||||
if name == "keyspace_misses" {
|
||||
keyspace_misses = ival
|
||||
// Try parsing as an int
|
||||
if ival, err := strconv.ParseInt(val, 10, 64); err == nil {
|
||||
fields[metric] = ival
|
||||
continue
|
||||
}
|
||||
|
||||
// Try parsing as a float
|
||||
if fval, err := strconv.ParseFloat(val, 64); err == nil {
|
||||
fields[metric] = fval
|
||||
continue
|
||||
}
|
||||
|
||||
// Treat it as a string
|
||||
|
||||
if name == "role" {
|
||||
tags["replication_role"] = val
|
||||
continue
|
||||
}
|
||||
|
||||
if err == nil {
|
||||
fields[metric] = ival
|
||||
continue
|
||||
}
|
||||
|
||||
fval, err := strconv.ParseFloat(val, 64)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
fields[metric] = fval
|
||||
fields[metric] = val
|
||||
}
|
||||
var keyspace_hitrate float64 = 0.0
|
||||
if keyspace_hits != 0 || keyspace_misses != 0 {
|
||||
|
|
|
|||
|
|
@ -5,8 +5,10 @@ import (
|
|||
"fmt"
|
||||
"strings"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"github.com/influxdata/telegraf/testutil"
|
||||
"github.com/stretchr/testify/assert"
|
||||
"github.com/stretchr/testify/require"
|
||||
)
|
||||
|
||||
|
|
@ -38,15 +40,36 @@ func TestRedis_ParseMetrics(t *testing.T) {
|
|||
tags = map[string]string{"host": "redis.net", "replication_role": "master"}
|
||||
fields := map[string]interface{}{
|
||||
"uptime": uint64(238),
|
||||
"lru_clock": uint64(2364819),
|
||||
"clients": uint64(1),
|
||||
"client_longest_output_list": uint64(0),
|
||||
"client_biggest_input_buf": uint64(0),
|
||||
"blocked_clients": uint64(0),
|
||||
"used_memory": uint64(1003936),
|
||||
"used_memory_rss": uint64(811008),
|
||||
"used_memory_peak": uint64(1003936),
|
||||
"used_memory_lua": uint64(33792),
|
||||
"mem_fragmentation_ratio": float64(0.81),
|
||||
"loading": uint64(0),
|
||||
"rdb_changes_since_last_save": uint64(0),
|
||||
"rdb_bgsave_in_progress": uint64(0),
|
||||
"rdb_last_save_time": uint64(1428427941),
|
||||
"rdb_last_bgsave_status": "ok",
|
||||
"rdb_last_bgsave_time_sec": int64(-1),
|
||||
"rdb_current_bgsave_time_sec": int64(-1),
|
||||
"aof_enabled": uint64(0),
|
||||
"aof_rewrite_in_progress": uint64(0),
|
||||
"aof_rewrite_scheduled": uint64(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": uint64(2),
|
||||
"total_commands_processed": uint64(1),
|
||||
"instantaneous_ops_per_sec": uint64(0),
|
||||
"instantaneous_input_kbps": float64(876.16),
|
||||
"instantaneous_output_kbps": float64(3010.23),
|
||||
"rejected_connections": uint64(0),
|
||||
"sync_full": uint64(0),
|
||||
"sync_partial_ok": uint64(0),
|
||||
"sync_partial_err": uint64(0),
|
||||
|
|
@ -61,16 +84,28 @@ func TestRedis_ParseMetrics(t *testing.T) {
|
|||
"master_repl_offset": uint64(0),
|
||||
"repl_backlog_active": uint64(0),
|
||||
"repl_backlog_size": uint64(1048576),
|
||||
"repl_backlog_first_byte_offset": uint64(0),
|
||||
"repl_backlog_histlen": uint64(0),
|
||||
"mem_fragmentation_ratio": float64(0.81),
|
||||
"instantaneous_input_kbps": float64(876.16),
|
||||
"instantaneous_output_kbps": float64(3010.23),
|
||||
"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),
|
||||
}
|
||||
|
||||
// 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,
|
||||
uint64(time.Now().Unix())-fields["rdb_last_save_time"].(uint64),
|
||||
fields["rdb_last_save_time_elapsed"].(uint64),
|
||||
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": uint64(0),
|
||||
|
|
|
|||
Loading…
Reference in New Issue