phpfpm plugin: enhance socket gathering and config

- If we detect errors when gathering stat via socket, return those error
  so it canbe appear in Telegraf log
- Improve fcgi client, also upgrade it to current version of Go at
  https://golang.org/src/net/http/fcgi/fcgi.go
- Add test for unix socket and fcgi
  to remotely connect but only as an extra url field.
- Allow customization of fpm status path
- Document about using of `host` in case `unixsocket` that it isn't used
- Documet upgrade for new data layout

closes #499
closes #502
closes #538
This commit is contained in:
Vinh
2016-01-14 14:20:59 -08:00
committed by Cameron Sparr
parent a712036b56
commit 5af6974796
4 changed files with 406 additions and 205 deletions

View File

@@ -6,10 +6,14 @@ Get phpfpm stat using either HTTP status page or fpm socket.
Meta:
- tags: `url=<ip> pool=poolname`
- tags: `pool=poolname`
Measurement names:
- phpfpm
Measurement field:
- accepted_conn
- listen_queue
- max_listen_queue
@@ -50,36 +54,12 @@ It produces:
```
* Plugin: phpfpm, Collection 1
> [url="10.0.0.12" pool="www"] phpfpm_idle_processes value=1
> [url="10.0.0.12" pool="www"] phpfpm_total_processes value=2
> [url="10.0.0.12" pool="www"] phpfpm_max_children_reached value=0
> [url="10.0.0.12" pool="www"] phpfpm_max_listen_queue value=0
> [url="10.0.0.12" pool="www"] phpfpm_listen_queue value=0
> [url="10.0.0.12" pool="www"] phpfpm_listen_queue_len value=0
> [url="10.0.0.12" pool="www"] phpfpm_active_processes value=1
> [url="10.0.0.12" pool="www"] phpfpm_max_active_processes value=2
> [url="10.0.0.12" pool="www"] phpfpm_slow_requests value=0
> [url="10.0.0.12" pool="www"] phpfpm_accepted_conn value=305
> [url="localhost" pool="www2"] phpfpm_max_children_reached value=0
> [url="localhost" pool="www2"] phpfpm_slow_requests value=0
> [url="localhost" pool="www2"] phpfpm_max_listen_queue value=0
> [url="localhost" pool="www2"] phpfpm_active_processes value=1
> [url="localhost" pool="www2"] phpfpm_listen_queue_len value=0
> [url="localhost" pool="www2"] phpfpm_idle_processes value=1
> [url="localhost" pool="www2"] phpfpm_total_processes value=2
> [url="localhost" pool="www2"] phpfpm_max_active_processes value=2
> [url="localhost" pool="www2"] phpfpm_accepted_conn value=306
> [url="localhost" pool="www2"] phpfpm_listen_queue value=0
> [url="10.0.0.12:9000" pool="www3"] phpfpm_max_children_reached value=0
> [url="10.0.0.12:9000" pool="www3"] phpfpm_slow_requests value=1
> [url="10.0.0.12:9000" pool="www3"] phpfpm_max_listen_queue value=0
> [url="10.0.0.12:9000" pool="www3"] phpfpm_active_processes value=1
> [url="10.0.0.12:9000" pool="www3"] phpfpm_listen_queue_len value=0
> [url="10.0.0.12:9000" pool="www3"] phpfpm_idle_processes value=2
> [url="10.0.0.12:9000" pool="www3"] phpfpm_total_processes value=2
> [url="10.0.0.12:9000" pool="www3"] phpfpm_max_active_processes value=2
> [url="10.0.0.12:9000" pool="www3"] phpfpm_accepted_conn value=307
> [url="10.0.0.12:9000" pool="www3"] phpfpm_listen_queue value=0
> phpfpm,pool=www accepted_conn=13i,active_processes=2i,idle_processes=1i,listen_queue=0i,listen_queue_len=0i,max_active_processes=2i,max_children_reached=0i,max_listen_queue=0i,slow_requests=0i,total_processes=3i 1453011293083331187
> phpfpm,pool=www2 accepted_conn=12i,active_processes=1i,idle_processes=2i,listen_queue=0i,listen_queue_len=0i,max_active_processes=2i,max_children_reached=0i,max_listen_queue=0i,slow_requests=0i,total_processes=3i 1453011293083691422
> phpfpm,pool=www3 accepted_conn=11i,active_processes=1i,idle_processes=2i,listen_queue=0i,listen_queue_len=0i,max_active_processes=2i,max_children_reached=0i,max_listen_queue=0i,slow_requests=0i,total_processes=3i 1453011293083691658
```
## Note
When using `unixsocket`, you have to ensure that telegraf runs on same
host, and socket path is accessible to telegraf user.