Ansible Workflows

Objective

To do a practical example of automation workflow

Problem Statement

Provision a redis cluster

Workflow Philosophy at Helpshift

• Workflows define how to do a high level tasks
• They have a simple/consistent interface
• Idempotent
• Repeatability
• Extensible
• Composable
• Tuneable

Let's split Problem Statement

• Provision Infrastructure
• Setup redis on the provisioned infrastructure

Provision Infrastructure

• Locally via Vagrant
• Ec2 or Azure Cloud via Ansible

Setup redis

• Install redis with proper configuration
• Monitoring
• High Availability
• Backups
• Handling workflows for adding new slaves to the cluster
• Different configuration for different type of clusters

hs-redis

• A workflow to setting up redis cluster locally
• Fork https://github.com/perfectayush/hs-redis.git

Running hs-redis