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#193 5 Docker

Running Zabbix 5 with Docker

Notes

Multiple docker images are available for Zabbix to suit a range of deployment topologies.

The old all-in-one zabbix-appliance image, which was ideal for local testing, is no longer updated for version 5. It is now necessary to orchestrate multiple containers even for a simple test setup. This describes the simplest-possible-way (that I know of so far).

Required Docker Images

For a minimal deployment with MySQL database storage:

  • Zabbix agent - zabbix/zabbix-agent
  • Zabbix server with MySQL database support - zabbix/zabbix-server-mysql
  • Zabbix web-interface based on Apache2 web server with MySQL database support - zabbix/zabbix-web-apache-mysql
  • mysql:8.0

Alternative/additional images not used:

  • Zabbix server with PostgreSQL database support - zabbix/zabbix-server-pgsql
  • Zabbix web-interface based on Apache2 web server with PostgreSQL database support - zabbix/zabbix-web-apache-pgsql
  • Zabbix web-interface based on Nginx web server with PostgreSQL database support - zabbix/zabbix-web-nginx-pgsql
  • Zabbix web-interface based on Nginx web server with MySQL database support - zabbix/zabbix-web-nginx-mysql
  • Zabbix agent 2 - zabbix/zabbix-agent2
  • Zabbix proxy with SQLite3 database support - zabbix/zabbix-proxy-sqlite3
  • Zabbix proxy with MySQL database support - zabbix/zabbix-proxy-mysql
  • Zabbix Java Gateway - zabbix/zabbix-java-gateway
  • SNMP trap support - zabbix/zabbix-snmptraps

Running the Zabbix Appliance

The docker-compose.yml is setup for running Zabbix appliance with MySQL data persisted in a volume.

It also starts a separate zabbix agent container that can monitor the zabbix appliance container itself. The agent container is linked the the server container so that the agent can perform active checks.

$ docker-compose up -d

On first startup, the web interface will be available on 0.0.0.0:8081 with default credentials Admin/zabbix

initial_dashboard

$ $ docker ps
CONTAINER ID        IMAGE                                              COMMAND                  CREATED             STATUS                   PORTS                              NAMES
5eccf809e066        zabbix/zabbix-web-apache-mysql:alpine-5.4-latest   "docker-entrypoint.s…"   2 minutes ago       Up 2 minutes (healthy)   8443/tcp, 0.0.0.0:8081->8080/tcp   dockerized5_zabbix-web-apache-mysql_1
40a35deab67c        zabbix/zabbix-server-mysql:alpine-5.4-latest       "/sbin/tini -- /usr/…"   2 minutes ago       Up 2 minutes             0.0.0.0:10051->10051/tcp           dockerized5_zabbix-server_1
6e8570399d81        mysql:8.0                                          "docker-entrypoint.s…"   2 minutes ago       Up 2 minutes                                                dockerized5_mysql-server_1
1e64f8a45ac8        zabbix/zabbix-agent:alpine-5.4-latest              "/sbin/tini -- /usr/…"   2 minutes ago       Up 2 minutes                                                dockerized5_zabbix-agent_1

The agent hostname needed to be updated in order to find the agent container at zabbix-agent:10050:

agent_configured

Now we have basic monitoring of the zabbix server via the zabbix agent:

updated_dashboard

zabbix_server_activity

Shutting down and checking volumes

$ docker-compose down
$ docker volume ls | grep zabbix5
local               dockerized5_zabbix5-db

The zabbix_control.sh wraps up some simple commands to start and stop the containers, get logs and open a shell.

Credits and References

About LCK#193 infrastructurezabbixmonitoringdocker

This page is a web-friendly rendering of my project notes shared in the LittleCodingKata GitHub repository.

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