Vayu Infra - Ansible

You can find here Ansible playbooks for Infrastructure purposes.

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Prerequisites - Install Ansible

Run these command (Tested on Ubuntu 16):

> sudo apt-add-repository -y ppa:ansible/ansible
> sudo apt-get update
> sudo apt-get install -y ansible

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Ansible - Provisioning

This playbook installs all the packages & dependecies required for running kops on the local machine.
Please note that sudo permissions are required to run this playbook

Clone this repo & run this command in the terminal:

~/retina-ansible-kops$ sudo ansible-playbook provision.yaml

You can also supply the --tags parameter when running the command to specify what to provision. Available tags:

• apt - provision only apt-packages
• wget - provision only wget-packages
• pip - provision only pip-packages
• sys_update - update all apt system packages

usage:

~/retina-ansible-kops$ sudo ansible-playbook provision.yaml --tags "apt,pip"

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Ansible - AWS/kops infrastructure management for k8s

This playbook will create/destroy an AWS cluster infrastructure & deploy k8n on nodes
Please note that your aws credentials must resign in ~/.aws/credentials, the file structure is as such:

[default]
aws_access_key_id = AWS_ACCESS_KEY
aws_secret_access_key = AWS_ACCESS_SECRET

Also note that this playbook creates the environment in AWS according to the configuration file in the project directory under ./vars/main.yaml

Available commands

ansible-playbook aws.yaml --tags "aws-create"

Creates the following infrastructure in aws:

• Route53 Zone - Registers a DNS name
• Route53 Zone's register - Adds a sub-DNS to the new zone
• S3 Bucket - Creates a bucket for storing k8s cluster configurations
• EC2 Key-pair - Create & adds a key-pair to the EC2 Region provided in the configurations file

ansible-playbook aws.yaml --tags "kops-create"

Creates the actual k8s infrastructure in aws using kops, will add the some of the following & others:

• EC2 instances (for master & nodes)
• EC2 security groups
• EC2 volumes
• EC2 key-pair
• Route53 zone registers
• IAM user for k8s

ansible-playbook aws.yaml --tags "create"

Creates both aws & kops infrastructure

ansible-playbook aws.yaml --tags "aws-destroy"

Removes all aws related infrastructure

ansible-playbook aws.yaml --tags "kops-destroy"

Removes all kops related infrastructure

ansible-playbook aws.yaml --tags "destroy"

Removes all infrastructure

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Running Ansible playbooks as CircleCI build using CircleCI API

curl -X POST https://circleci.com/api/v1.1/project/github/vayuadm/vayu-ansible-infra?circle-token=$TOKEN -data "{"build_parameters":{"ANSIBLE_ACTION": $ACTION}}"

ACTION:

• create - creates Vayu cluster on AWS
• destroy - remove Vayu cluster from AWS
• empty - runs project's test playbook

TOKEN: CircleCI secret