Description

Check Logstash 7.x status and LLD pipelines.
Check JVM memory.
Check pipelines events.
Check stages events metrics.

It is assumed that the Logstash is listening on a localhost 9600 port.
Metrics are identified by ID, therefore it is advisable to explicitly set their values in the logstash config. Like:

        grok {
            id => "nginx-base"
            match => { "message" => [
		...

Dependencies

python, curl, zabbix-agent.

Installation

1. copy logstash_pipelines_lld.py and logstash_pipelines_lld-full.py to /etc/zabbix/
2. copy zabbix_agentd.d/logstash.conf to /etc/zabbix/zabbix_agentd.d/
3. chmod 755 /etc/zabbix/logstash_pipelines_lld.py /etc/zabbix/logstash_pipelines_lld-full.py
4. if needed, change in logstash.conf, logstash_pipelines_lld.py and logstash_pipelines_lld-full.py host and port.
5. restart zabbix-agent daemon.
6. import "zbx_templates/Template Logstash.xml" into your templates.
7. apply template "Template Logstash" to Logstash node.
8. enjoy.

PS

You can easily change the settings for monitoring a remote Logstash node.