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emmetog.swarm-master

An Ansible role for provisioning servers with docker swarm masters.

This role ensures that a docker swarm master instance is running on a host.

Usually used with the emmetog.swarm-agent role which installs swarm agents on hosts.

Requirements

This role requires the emmetog.docker-compose role since docker-compose is used to start the swarm services. Also, a respectably recent version of Docker should be already installed on the hosts. The role assumes that a consul agent is reachable on the same host on port 8500.

You can use the emmetog.consul role to install consul.

Role Variables

This role doesn't need any variables.

Usage

First install the role from ansible galaxy:

$ ansible-galaxy install emmetog.swarm-master

Then use the role in a playbook as follows:

- hosts: swarm_masters
  roles:
     - emmetog.swarm-master

If used with the emmetog.swarm-agent role then you might decide to run both in one block like this:

- hosts: swarm_nodes
  roles:
     - emmetog.swarm-master
     - emmetog.swarm-agent

Note: That will run both a swarm master and a swam agent on each node, which may or may not be what you want to do. Add salt to taste.

License

MIT

Author Information

Made with love by Emmet O'Grady.

I am the founder of NimbleCI which builds Docker containers for feature branch workflow projects in Github.

I blog on my personal blog and about Docker related things on the NimbleCI blog.

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Ansible role for provisioning servers with docker swarm masters

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