Ansible Role: Redis HA for Kubernetes

Ansible role to install Redis HA on Kubernetes.

Role Variables

# Image used
redis_image: quay.io/smile/redis:4.0.6r2
# Namespace
redis_namespace: default
# Number of replicas
redis_server_replicas: 3
redis_sentinel_replicas: 3
# Node selector
redis_node_selector: {}
# Resources
redis_server_resources:
  requests:
    memory: 200Mi
    cpu: 100m
  limits:
    memory: 700Mi
redis_sentinel_resources:
  requests:
    memory: 200Mi
    cpu: 100m
  limits:
    memory: 200Mi

Dependencies

kubectl needs to be installed on the host targeted by the role.

Example Playbook

- hosts: kube-master
  run_once: true
  vars:
    redis_server_replicas: 5
    redis_sentinel_replicas: 3
  roles:
    - role: redis

Use run_once to run the role on only one available master in the cluster.

Test

pip install ansible-toolbox
ansible-role roles/redis/