freehck.redis_cluster

Overview Versions Insights

freehck.redis_cluster

Deploys redis cluster (allows cross replication)

Description

This role enables to deploy a cross replicated redis cluster with the easy config.

Role Variables

The most important variables are listed here. For all the variables look into defaults/main.yml.

redis_cluster_version: version of the redis-server, default is 6.2.6

redis_cluster_install_dir: redis will be installed here, default is /opt/redis-{{ redis_cluster_version }}

The only mandatory variable redis_cluster_nodes. The default is [].

Example

Inventory:

[redis_all]
redis01 ansible_host=10.1.1.1
redis02 ansible_host=10.1.1.2
redis03 ansible_host=10.1.1.3

Playbook:

- hosts:
    - redis_all
  become: true
  vars:
    redis_cluster_nodes:

      # masters
      - name: master01
        host: redis01
        addr: "{{ hostvars['redis01'].ansible_host }}"
        port: 6378
        is_master: true

      - name: master02
        host: redis02
        addr: "{{ hostvars['redis02'].ansible_host }}"
        port: 6378
        is_master: true

      - name: master03
        host: redis03
        addr: "{{ hostvars['redis03'].ansible_host }}"
        port: 6378
        is_master: true

      # slaves
      - name: slave02
        host: redis01
        addr: "{{ hostvars['redis01'].ansible_host }}"
        port: 6379
        slave_of: master02

      - name: slave03
        host: redis02
        addr: "{{ hostvars['redis02'].ansible_host }}"
        port: 6379
        slave_of: master03

      - name: slave01
        host: redis03
        addr: "{{ hostvars['redis03'].ansible_host }}"
        port: 6379
        slave_of: master01
  
  roles:
    - name: freehck.redis_cluster