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Ansible Vars Plugin for Hashicorp Vault

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Ansible Vars Plugin for Hashicorp Vault

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An Ansible Vars Plugin for Hashicorp Vault to lookup credentials/secrets, injecting these into the playbook run (e.g. ansible_user, ansible_password, etc).

Use Hashicorp Vault like you would ansible-vault'ed group_vars, domain_vars [a new concept in this module!] and host_vars.

This module was originaly developed for the gostint project.

Installation

sudo pip install hashivault-vars

Enable in Ansible

Symlink from ansible's vars plugins folder to hashivault_vars.py, e.g.:

$ cd /usr/local/lib/python2.7/dist-packages/ansible/plugins/vars
$ sudo ln -s /usr/local/lib/python2.7/dist-packages/hashivault_vars/hashivault_vars.py .

On Alpine Linux:

pip install hvac hashivault-vars && \
ln -s /usr/lib/python2.7/site-packages/hashivault_vars/hashivault_vars.py \
  /usr/lib/python2.7/site-packages/ansible/plugins/vars

Vault Secret Paths

Root path in vault:

  • /secret/ansible/

Precendence (applied top to bottom, so last takes precendence):

  • Groups:

    • /secret/ansible/groups/all
    • /secret/ansible/groups/ungrouped
    • /secret/ansible/groups/your_inv_item_group
    • ...
  • Hosts/Domains:

    • /secret/ansible/{connection}/domains/com
    • /secret/ansible/{connection}/domains/example.com
    • /secret/ansible/{connection}/hosts/hosta.example.com

where {connection} is ansible_connection, e.g.: "ssh", "winrm", ... (this plugin attempts to make assumptions where ansible_connection is not set)

All values retrieved from these paths are mapped as ansible variables, e.g. ansible_user, ansible_password, etc.

The layered lookups are merged, with the last taking precendence over earlier lookups.

Lookups to the vault are cached for the run.

Developer Notes

Enable Debugging

(danger, will reveal retrieved vault secrets in the ansible log)

Set environment variable HASHIVAULT_VARS_DEBUG=1.

Release to PyPi

From vagrant (pip prereqs are required), e.g.:

$ ./setup.py sdist bdist_wheel
$ twine upload dist/hashivault_vars-0.1.17*

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