ssh

[Ansible][ansible] role to configure ssh and manage known hosts.

Tests

Family	Distribution	Version	Test Status
Debian	Debian	Jessie
Debian	Debian	Wheezy
Debian	Ubuntu	Yakkety
Debian	Ubuntu	Xenial
Debian	Ubuntu	Vivid
Debian	Ubuntu	Trusty
Debian	Ubuntu	Precise

Requirements

• ansible >= 2.0

Role Variables

• debug: flag to run debug tasks.
• ssh_config: ssh_config file configuration.
• ssh_config_path: path to ssh_config file.
• ssh_config_user: contents of the ~user/.ssh/config for each user.
• ssh_known_hosts_global_scan: list of hostname that after a keyscan are added to the global ssh_known_hosts file.
• ssh_known_hosts_global_path: path to the ssh_known_hosts file.
• ssh_known_hosts_user_scan: list of hostnames that after a keyscan are added to the user's known_hosts file.

Dependencies

None.

Playbooks

- hosts: servers
  vars:
    ssh_config_user:
      vagrant: |
        Host github.com
            IdentityFile ~/.ssh/deploy

    ssh_known_hosts_global_scan:
      - github.com
    ssh_known_hosts_user_scan:
      - user: vagrant
        hosts:
          - bitbucket.com

  roles:
     - role: ssh

Tags

• configuration: configuration tasks.
• debug: task to debug role variables.
• installation: installation tasks.
• validation: task to validate role variables.

Test

To run the tests you will need to install:

• tox
• vagrant

To run all tests against all pre-defined OS/distributions * ansible versions:

$ tox

To run tests for trusty64:

$ cd tests
$ bash test_idempotence.sh --box trusty64.vagrant.dev
# log file will be stores under tests/log

To perform debugging on a specific environment:

$ cd tests
$ vagrant up trusty64.vagrant.dev

# to provision using the test.yml playbook (as many time as you need)
$ vagrant provision trusty64.vagrant.dev

# to access the Vagrant box
$ vagrant ssh trusty64.vagrant.dev

Links

• stackoverflow > http://stackoverflow.com/questions/12136998/how-to-check-if-a-host-is-in-your-known-host-ssh
• gist : bradland/ssh-known-hosts-mgmt.sh