Add os_ironic_facts module

Adding a module that allows ironic to be queried for facts about the
host via a name, mac address, or uuid.  The returned facts include
all node details with the exception of any passwords in driver_info.

Change-Id: Ief657e06e781133dd53a58c1da11802d8d7d03c4
Depends-On: I1c1b40f1827c9fafe8826f7b07942c2ed7c85228

playbooks/library/os_ironic_facts.py

@@ -0,0 +1,136 @@
+#!/usr/bin/env python
+# coding: utf-8 -*-
+
+# (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/>.
+
+try:
+    import shade
+    HAS_SHADE = True
+except ImportError:
+    HAS_SHADE = False
+
+import six
+
+DOCUMENTATION = '''
+---
+module: os_ironic_facts
+short_description: Searches Ironic and returns node facts.
+extends_documentation_fragment: openstack
+description:
+    - Queries Ironic for a requested node and returns facts about
+      the node, or fails if the node is not found.  This module actively
+      prevents any passwords in the node driver_info from being returned.
+options:
+    mac:
+      description:
+        - unique mac address that is used to attempt to identify the host.
+      required: false
+      default: None
+    uuid:
+      description:
+        - globally unique identifier (UUID) to identify the host.
+      required: false
+      default: None
+    name:
+      description:
+        - unique name identifier to identify the host in Ironic.
+      required: false
+      default: None
+    ironic_url:
+      description:
+        - If noauth mode is utilized, this is required to be set to the
+          endpoint URL for the Ironic API.  Use with "auth" and "auth_type"
+          settings set to None.
+      required: false
+      default: None
+
+requirements: ["shade", "six"]
+'''
+
+EXAMPLES = '''
+# Enroll a node with some basic properties and driver info
+- os_ironic_facts:
+    name: "testvm1"
+'''
+
+
+def _choose_id_value(module):
+    if module.params['uuid']:
+        return module.params['uuid']
+    if module.params['name']:
+        return module.params['name']
+    return None
+
+
+def main():
+    argument_spec = openstack_full_argument_spec(
+        auth_type=dict(required=False),
+        uuid=dict(required=False),
+        name=dict(required=False),
+        mac=dict(required=False),
+        ironic_url=dict(required=False),
+    )
+    module_kwargs = openstack_module_kwargs()
+    module = AnsibleModule(argument_spec, **module_kwargs)
+
+    if not HAS_SHADE:
+        module.fail_json(msg='shade is required for this module')
+    if (module.params['auth_type'] in [None, 'None'] and
+            module.params['ironic_url'] is None):
+        module.fail_json(msg="Authentication appears to be disabled, "
+                             "Please define an ironic_url parameter")
+
+    if (module.params['ironic_url'] and
+            module.params['auth_type'] in [None, 'None']):
+        module.params['auth'] = dict(
+            endpoint=module.params['ironic_url']
+        )
+
+    try:
+        cloud = shade.operator_cloud(**module.params)
+
+        if module.params['name'] or module.params['uuid']:
+            server = cloud.get_machine(_choose_id_value(module))
+        elif module.params['mac']:
+            server = cloud.get_machine_by_mac(module.params['mac'])
+        else:
+            module.fail_json(msg="The worlds did not align, "
+                                 "the host was not found as "
+                                 "no name, uuid, or mac was "
+                                 "defined.")
+        if server:
+            facts = dict(server)
+            new_driver_info = dict()
+            # Rebuild driver_info to remove any password
+            # fields as they can be masked.
+            for key, value in six.iteritems(facts['driver_info']):
+                if 'password' not in key:
+                    new_driver_info[key] = value
+            if new_driver_info:
+                facts['driver_info'] = new_driver_info
+            module.exit_json(changed=False, ansible_facts=facts)
+
+        else:
+            module.fail_json(msg="node not found.")
+
+    except shade.OpenStackCloudException as e:
+        module.fail_json(msg=e.message)
+
+
+# this is magic, see lib/ansible/module_common.py
+from ansible.module_utils.basic import *
+from ansible.module_utils.openstack import *
+main()