Ansible playbook

apt_key

#!/usr/bin/python

import subprocess
import re
import traceback
import tempfile

def execute(args, module, shell=None):
    try:
        cmd = subprocess.Popen(args, shell=shell,
                               stdout=subprocess.PIPE, stderr=subprocess.PIPE)
        out, err = cmd.communicate()
        return out, err, cmd.returncode
    except (OSError, IOError), e:
        module.fail_json(cmd=args, msg=str(e))
    except:
        module.fail_json(msg=traceback.format_exc())

def main():
    module = AnsibleModule(
        argument_spec = dict(
            key       = dict(required=True),
            uid       = dict(required=True),
        )
    )

    key = module.params['key']
    uid = module.params['uid']

    out, err, returncode = execute(["apt-key list | grep '" + uid + "'"],
                                   module, shell="/bin/sh")
    if returncode == 0:
        module.exit_json(changed=False, key=key, uid=uid)
    else:
        tmp_file = tempfile.NamedTemporaryFile()
        tmp_file.write(key)
        tmp_file.flush()
        out, err, returncode = execute(["apt-key", "add", tmp_file.name], module)
        tmp_file.close()
        if returncode == 0:
            module.exit_json(changed=True, key=key, uid=uid)
        else:
            module.fail_json(msg=str(err), key=key, uid=uid)

# include magic from lib/ansible/module_common.py
#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
main()

gistfile1.sh

$ ~/ansible/hacking/test-module -m ~/ansible/library/apt_key -a "key='{% import files/cloudera.key %}' uid='Cloudera Apt Repository'"
* including generated source, if any, saving to: /root/.ansible_module_generated
* this will offset any line numbers in tracebacks/debuggers!
***********************************
RAW OUTPUT
{"msg": "gpg: no valid OpenPGP data found.\n", "failed": true, "uid": "Cloudera Apt Repository", "key": "{% import files/cloudera.key %}"}


***********************************
PARSED OUTPUT
{
    "failed": true, 
    "key": "{% import files/cloudera.key %}", 
    "msg": "gpg: no valid OpenPGP data found.\n", 
    "uid": "Cloudera Apt Repository"
}

init.yml

---
- name: Add Cloudera APT repository
  action: copy src=files/cloudera.list dest=/etc/apt/sources.list.d/cloudera.list
  notify:
    - update APT cache
- name: Add Cloudera key
  action: apt_key key="{% import files/cloudera.key %}" uid="Cloudera Apt Repository"
  notify:
    - update APT cache