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# (c) 2017, Juan Manuel Parrilla <jparrill@redhat.com>
# (c) 2012-17 Ansible Project
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
DOCUMENTATION = '''
author:
- Juan Manuel Parrilla (@jparrill)
lookup: hiera
short_description: get info from hiera data
requirements:
- hiera (command line utility)
description:
- Retrieves data from an Puppetmaster node using Hiera as ENC
options:
_hiera_key:
description:
- The list of keys to lookup on the Puppetmaster
type: list
elements: string
required: True
_bin_file:
description:
- Binary file to execute Hiera
default: '/usr/bin/hiera'
env:
- name: ANSIBLE_HIERA_BIN
_hierarchy_file:
description:
- File that describes the hierarchy of Hiera
default: '/etc/hiera.yaml'
env:
- name: ANSIBLE_HIERA_CFG
# FIXME: incomplete options .. _terms? environment/fqdn?
'''
EXAMPLES = """
# All this examples depends on hiera.yml that describes the hierarchy
- name: "a value from Hiera 'DB'"
ansible.builtin.debug:
msg: "{{ lookup('community.general.hiera', 'foo') }}"
- name: "a value from a Hiera 'DB' on other environment"
ansible.builtin.debug:
msg: "{{ lookup('community.general.hiera', 'foo environment=production') }}"
- name: "a value from a Hiera 'DB' for a concrete node"
ansible.builtin.debug:
msg: "{{ lookup('community.general.hiera', 'foo fqdn=puppet01.localdomain') }}"
"""
RETURN = """
_raw:
description:
- a value associated with input key
type: list
elements: str
"""
import os
from ansible.plugins.lookup import LookupBase
from ansible.utils.cmd_functions import run_cmd
ANSIBLE_HIERA_CFG = os.getenv('ANSIBLE_HIERA_CFG', '/etc/hiera.yaml')
ANSIBLE_HIERA_BIN = os.getenv('ANSIBLE_HIERA_BIN', '/usr/bin/hiera')
class Hiera(object):
def get(self, hiera_key):
pargs = [ANSIBLE_HIERA_BIN]
pargs.extend(['-c', ANSIBLE_HIERA_CFG])
pargs.extend(hiera_key)
rc, output, err = run_cmd("{0} -c {1} {2}".format(
ANSIBLE_HIERA_BIN, ANSIBLE_HIERA_CFG, hiera_key[0]))
return output.strip()
class LookupModule(LookupBase):
def run(self, terms, variables=''):
hiera = Hiera()
ret = []
ret.append(hiera.get(terms))
return ret
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