Installation
Install zabbix-agent on those servers that we need their logs.
repository
Add some repositories by this command.
salt target state.sls zabbix.agent.repo
configuration
salt target state.sls zabbix.agent.conf pillar='{"zabbix_server": "minion-of-zabbix-server"}'
We pass pillar dictionary to agent configuration and It will specify zabbix-server.