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Ansible Role: SSH Config

Configure system users, groups and SSH access, optionally based on GitHub users.

Requirements

None.

Role Variables

Available variables are listed below, along with default values (see defaults/main.yml):

ssh_config_users: []
  # You can specify an object with 'name' (required) and 'groups' (optional):
  # - name: example
  #   groups: www-data,memiah
  #   authorized_keys:
  #     - "ssh-rsa ..."

  # Or you can specify a GitHub username:
  # - github: memiah

A list of users to add to the server; the username will be the name. You can add the user to one or more groups (in addition to the [username] group) by adding them as a comma-separated list in groups. SSH keys can be added using the authorized_keys options with a list of keys. Specify a github username to fetch authorised keys from GitHub.

 ssh_config_users_additional: []

Additional system users that can be assigned to specific inventories or roles, useful when using ssh_config_users as a common default user list.

ssh_config_users_absent: []
  # You can specify an object with 'name' (required):
  # - name: example

  # Or you can specify a username directly:
  # - example

A list of users who should not be present on the server and should be removed.

ssh_config_groups: []
  # - name: example
  #   passwordless_sudo: True

System groups that should be created. These can be assigned to users defined in ssh_config_users. If the group should be allowed passwordless_sudo, optionally set that here.

ssh_config_groups_additional: []

Additional system groups that can be assigned to specific inventories or roles, useful when using ssh_config_groups as a common default group list.

ssh_config_groups_absent: []
  # You can specify an object with 'name' (required):
  # - name: example

  # Or you can specify a group directly:
  # - example

A list of groups that should not be present on the server and should be removed.

ssh_config_github_url: https://github.com

By default, use public GitHub (i.e. https://github.com) as the source for users/keys. Override this to use a different GitHub instance/endpoint (e.g. GitHub Enterprise).

ssh_config_ssh_auth_sock: True

For SSH agent forwarding, maintain the SSH_AUTH_SOCK environment variable.

Dependencies

  • memiah.security

Example Playbook

- hosts: servers
  become: yes
  vars:
    ssh_config_users:
      # You can specify an object with 'name' (required) and 'groups' (optional):
      - name: jane-doe
        groups: www-data,example
        authorized_keys:
          - "ssh-rsa ..."
      # Or you can specify a GitHub username:
      - github: john-doe
      
    ssh_config_users_absent:
        - johndoe
        - name: jane
    
  roles:
    - memiah.ssh-config

License

MIT / BSD

Author Information

This role was created in 2018 by Memiah Limited.