Logstash

Service overview

Software owner	Elasticsearch BV
Version	5.5.2
Management	wfmanager (start \| stop \| restart \| status) logstash
Log files	Access logs: ${install_dir}/supervisord/log/logstash.out.log Error logs: ${install_dir}/supervisord/log/logstash.err.log
Startup scripts	${install_dir}/supervisord/apps/logstash.ini ${install_dir}/logstash/bin/logstash
Configuration files	${install_dir}/logstash/logstash-extract.conf
Default Ports	tcp 4567

Configuration file	Name	Default Value	Description
config.yml	install_dir	/opt/workfusion	Directory to put user files, logs and configs

Check if TCP port 4567 is available.

Ports may be custom:

netstat command output

$ etstat -lntp | grep 4567
tcp6       0      0 :::4567                 :::*                    LISTEN      23433/java

ss command output

$ ss -ltn | egrep 4567
LISTEN     0      50          :::4567                    :::*

lsof command output

$ lsof -P -n -i :4567 | grep LISTEN
java    23433 wfuser   17u  IPv6 117393      0t0  TCP *:4567 (LISTEN)

Check the default main log files:
- Access logs: ${install_dir}/supervisord/log/logstash.out.log
- Error logs: ${install_dir}/supervisord/log/logstash.err.log
```
$ tail -f ${install_dir}/supervisord/log/logstash.err.log ${install_dir}/supervisord/log/logstash.out.log
```
Check logstash out (access) log using the Wfmanager util:
```
wfmanager tail logstash
```
Enable debug information.

Set the appropriate log level to ${install_dir}/supervisord/apps/logstash.ini (default is info) and restart logstash service:

${install_dir}/supervisord/apps/logstash.ini
```
From:
exec bin/logstash -f logstash-extract.conf

To:
exec bin/logstash -f logstash-extract.conf --log.level debug
```
```
wfmanager restart logstash
```