Copy in matching hiera files

Find any files that match common, $fqdn and $group in the hiera
structure and copy them to the target host's hiera structure so that
the puppet apply command can operate.

Change-Id: I833858e86b9e8fe0750642476f118ca7d0358380

library/puppet_get_hiera_file_list

@@ -0,0 +1,54 @@
+#!/usr/bin/python
+
+# Copyright (c) 2015 Hewlett-Packard Development Company, L.P.
+#
+# This module is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This software is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this software.  If not, see <http://www.gnu.org/licenses/>.
+
+DOCUMENTATION = '''
+---
+module: puppet_get_hiera_file_list
+short_description: Create a list of hiera file paths
+description:
+  - Create a list of hiera file paths
+options:
+  fqdn:
+    description:
+    - The ansible fqdn
+    required: true
+  groups:
+    description:
+    - The groups the host is in
+    required: true
+requirements: [ ]
+author: Monty Taylor
+'''
+
+
+def main():
+    module = AnsibleModule(
+        argument_spec=dict(
+            fqdn=dict(required=True),
+            groups=dict(required=True),
+        ),
+    )
+    p = module.params
+
+    module.exit_json(paths_dict = {'paths': [
+        'common.yaml',
+        'fqdn/%s.yaml' % p['fqdn'] ] + ['group/%s.yaml' % f for f in p['groups'] ]})
+
+# import module snippets
+from ansible.module_utils.basic import *
+
+main()

tasks/main.yml

@@ -1,4 +1,51 @@
 ---
+- name: ensure hiera datadir
+  file:
+    state: directory
+    path: "{{ hieradata }}/{{ hieraenvironment }}"
+    owner: root
+    group: root
+    mode: 0700
+  when: copy_hieradata
+- name: ensure hiera datadir - fqdn
+  file:
+    state: directory
+    path: "{{ hieradata }}/{{ hieraenvironment }}/fqdn"
+    owner: root
+    group: root
+    mode: 0700
+  when: copy_hieradata
+- name: ensure hiera datadir - group
+  file:
+    state: directory
+    path: "{{ hieradata }}/{{ hieraenvironment }}/group"
+    owner: root
+    group: root
+    mode: 0700
+  when: copy_hieradata
+- name: make file list
+  puppet_get_hiera_file_list:
+    fqdn: "{{ ansible_fqdn }}"
+    groups: "{{ hostvars[inventory_hostname].group_names }}"
+  register: hiera_file_paths
+- debug: msg="System {{hiera_file_paths.paths_dict.paths}}"
+- name: find which files exist
+  stat:
+    path: "{{ hieradata }}/{{ hieraenvironment }}/{{ item }}"
+  register: st
+  with_items: hiera_file_paths.paths_dict.paths
+  delegate_to: localhost
+  when: copy_hieradata
+- debug: msg="System {{st}}"
+- name: copy hiera files
+  when: copy_hieradata and item.1.stat.exists
+  copy:
+    src: "{{ hieradata }}/{{ hieraenvironment }}/{{ item.1.item }}"
+    dest: "{{ hieradata }}/{{ hieraenvironment }}/{{ item.1.item }}"
+    mode: 0600
+  with_together:
+    - hiera_file_paths.paths_dict.paths
+    - st.results
 - name: run puppet
   puppet:
     puppetmaster: "{{ puppetmaster|default(omit) }}"

vars/main.yml

@@ -1,2 +1,5 @@
 ---
 # vars file for ansible-puppet
+hieradata: /etc/puppet/hieradata
+hieraenvironment: production
+copy_hieradata: False