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Zabbix: MySQL to Postgresql migration

№ 9662 В разделе "Sysadmin" от December 28th, 2018,
В подшивках: , , ,

All services containerized by Docker, MySQL and Zabbix containers connected to network “zabbix”.

Start Postgresql container and add it to zabbix network group in Docker, set parameters as you need

docker run --name postgres -d --restart=Always \
    -e POSTGRES_USER=postgres
    -e POSTGRES_PASSWORD=postgres
    postgres
docker network connect zabbix postgres

Now create database and user

docker exec -it postgres su -c "createuser -P zabbix" postgres
docker exec -it postgres su -c "createdb -E UTF-8 -O zabbix zabbix" postgres

Ok, database online and accessible for Zabbix services.

Now you can stop old containers with Zabbix services for MySQL and run migration

docker stop zabbix-server-mysql zabbix-panel-mysql
docker run --network zabbix --rm -v /tmp/zabbix:/zabbix dimitri/pgloader:latest \
    bash -c "pgloader --debug --verbose \
    mysql://root:pa55w0rd@mariadb/zabbix \
    postgresql://zabbix:zabbix@postgres/zabbix"

Lets create script to start new Zabbix containers for Postgres DB

!/bin/bash

alertscripts="/srv/docker/zabbix/alertscripts:/usr/lib/zabbix/alertscripts"
externalscripts="/srv/docker/zabbix/externalscripts:/usr/lib/zabbix/externalscripts"

docker run --name zabbix-server-pg -p 10051:10051 \
    -v $alertscripts \
    -v $externalscripts \
    -e DB_SERVER_HOST="postgres" \
    -e DB_SERVER_PORT=5432 \
    -e POSTGRES_USER="zabbix" \
    -e POSTGRES_PASSWORD="zabbix" \
    -e POSTGRES_DB="zabbix" \
    -d --restart=always \
    --network zabbix \
    zabbix/zabbix-server-pgsql:ubuntu-latest

docker run --name zabbix-panel-pg -p 5001:80 \
    -e DB_SERVER_HOST="postgres" \
    -e POSTGRES_USER="zabbix" \
    -e POSTGRES_PASSWORD="zabbix" \
    -e POSTGRES_DB="zabbix" \
    -e ZBX_SERVER_HOST="zabbix-server-pg" \
    -e ZBX_SERVER_PORT="10051" \
    -e PHP_TZ="Asia/Novosibirsk" \
    -d --restart=always \
    --network zabbix \
    zabbix/zabbix-web-nginx-pgsql:ubuntu-latest

You did it! Take a cookie from shelf.

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