Container Orchestration

Objectives

• Learn what is container orchestration.
• Learn about why we need container orchestration.
• Learn about what is needed to build container orchestrator.
• Learn about different container orchestrators.
• Learn how to deploy the an application to different container orchestrators.

Prerequisite

Option - 1

• Createi minimum two Linux VMs (local or cloud) with Docker 1.12 installed
  • To install Docker, run following command

    $  curl -fsSL https://experimental.docker.com/ | sh
    

• Install Docker Compose on one of the VM

$ curl -L https://github.com/docker/compose/releases/download/1.8.0/docker-compose-`uname -s`-`uname -m` > /usr/local/bin/docker-compose
$ chmod +x /usr/local/bin/docker-compose

• Install and configure Minikube
• Install kubectl on one of VM

  $ curl -O https://storage.googleapis.com/kubernetes-release/release/v1.3.6/bin/linux/amd64/kubectl
  $ chmod +x kubectl
  $ mv kubectl /usr/local/bin/kubectl
  

Option - 2

• Install Vagrant
• Install Vagrant DigitalOcean Plugin

  $ vagrant plugin install vagrant-digitalocean
  

• Create an account on DigitalOcean
  • Login to New account
  • Generate an API token
  • export the token with DO_TOKEN environent variable

    $ export DO_TOKEN="1234........"
    

• Install Docker Compose on one of the VM

  $ curl -L https://github.com/docker/compose/releases/download/1.8.0/docker-compose-`uname -s`-`uname -m` > /usr/local/bin/docker-compose
  $ chmod +x /usr/local/bin/docker-compose
  

• Install kubectl(http://kubernetes.io/docs/user-guide/kubectl-overview/) on one of VM

  $ curl -O https://storage.googleapis.com/kubernetes-release/release/v1.3.6/bin/linux/amd64/kubectl
  $ chmod +x kubectl
  $ mv kubectl /usr/local/bin/kubectl