v2

collections/ansible_collections/community/general/plugins/lookup/hiera.py

@@ -0,0 +1,94 @@
+# -*- coding: utf-8 -*-
+# Copyright (c) 2017, Juan Manuel Parrilla <jparrill@redhat.com>
+# Copyright (c) 2012-17 Ansible Project
+# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
+# SPDX-License-Identifier: GPL-3.0-or-later
+from __future__ import (absolute_import, division, print_function)
+__metaclass__ = type
+
+DOCUMENTATION = '''
+    author:
+      - Juan Manuel Parrilla (@jparrill)
+    name: 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:
+      _terms:
+            description:
+                - The list of keys to lookup on the Puppetmaster.
+            type: list
+            elements: string
+            required: true
+      executable:
+            description:
+                - Binary file to execute Hiera.
+            default: '/usr/bin/hiera'
+            env:
+                - name: ANSIBLE_HIERA_BIN
+      config_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
+from ansible.module_utils.common.text.converters import to_text
+
+
+class Hiera(object):
+    def __init__(self, hiera_cfg, hiera_bin):
+        self.hiera_cfg = hiera_cfg
+        self.hiera_bin = hiera_bin
+
+    def get(self, hiera_key):
+        pargs = [self.hiera_bin]
+        pargs.extend(['-c', self.hiera_cfg])
+
+        pargs.extend(hiera_key)
+
+        rc, output, err = run_cmd("{0} -c {1} {2}".format(
+            self.hiera_bin, self.hiera_cfg, hiera_key[0]))
+
+        return to_text(output.strip())
+
+
+class LookupModule(LookupBase):
+    def run(self, terms, variables=None, **kwargs):
+        self.set_options(var_options=variables, direct=kwargs)
+
+        hiera = Hiera(self.get_option('config_file'), self.get_option('executable'))
+        ret = [hiera.get(terms)]
+        return ret