Instant Docker Swarm Cluster

Summmary:

This vagrantfile will create a docker swarm cluster for a self training environment.   The swarm will be initialized, and will join worker nodes to the swarm.   

Minimum Hardware Prereqs:

12 GB Ram, 4 CPU threads.

Initial setup:

1. Download and install Git, Vagrant, and Virtualbox. https://git-scm.com/downloads https://www.vagrantup.com/downloads.html https://www.virtualbox.org/wiki/Downloads

2. Open a Git-Bash prompt from the program manager.

3. Install plugin to allow shared Filesystem: vagrant plugin install vagrant-vbguest

Usage:

1. git clone https://github.com/dswan2/InstantDockerSwarmCluster

2. cd InstantDockerSwarmCluster

3. Vagrant up

4. Vagrant ssh docker0

Notes:

• Edit vagrantfile to customize:

  Absolute minimum (Needs 4vcpus/12GB): WORKER_NODES = 1 MANAGERMEM = 3000 MANAGERCPUS = 1 WORKERMEM = 2000 WORKERCPUS = 1

  Recommended (Needs 8vcpus/16GB): WORKER_NODES = 3 MANAGERMEM = 3000 MANAGERCPUS = 2 WORKERMEM = 2500 WORKERCPUS = 2