Some experiments with setting up Nomad and Consul using Ansible in Vagrant (1.8+ required as it uses ansible_local provisioning).

Create 4 machines with

vagrant up

and head to localhost:8080 to see Consul's web UI with all the nodes.

It's time to throw some tasks into the cluster. Download Nomad to have nomad command available in terminal and run the following

nomad node-status

output should be like this

ID                                    DC   Name     Class   Drain  Status
90c877a8-b52c-1867-7b8e-8f83543ea782  dc1  client2  <none>  false  ready
ac53e70d-8a3b-bd96-8b35-111629e2bb0e  dc1  client1  <none>  false  ready

This means Nomad server is visible from your host.

Now you can run nomad jobs and have nomad schedule them

nomad run example.nomad

This should allocate 1 nginx and 1 redis docker container. Type nomad status to check job's status and nomad status example to take a closer look at the example nomad task. Consul (at localhost:8080) should show its availability status and monitor each container's health (try to kill the container on client1 or client2 with docker kill [containerId]).

Feel free to adjust count parameter in example.job, run nomad run example.nomad and watch nomad do the resize.