Add initial github_release module (#1755)

Add initial github_release module.

source_control/github_release.py

@@ -0,0 +1,121 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+#
+# This file is part of Ansible
+#
+# Ansible 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.
+#
+# Ansible 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 Ansible. If not, see <http://www.gnu.org/licenses/>.
+
+
+DOCUMENTATION = '''
+---
+module: github_release
+short_description: Interact with GitHub Releases
+description:
+    - Fetch metadata about Github Releases
+version_added: 2.2
+options:
+    token:
+        required: true
+        description:
+            - Github Personal Access Token for authenticating
+    user:
+        required: true
+        description:
+            - The GitHub account that owns the repository
+    repo:
+        required: true
+        description:
+            - Repository name
+    action:
+        required: true
+        description:
+            - Action to perform
+        choices: [ 'latest_release' ]
+
+author:
+    - "Adrian Moisey (@adrianmoisey)"
+requirements:
+    - "github3.py >= 1.0.0a3"
+'''
+
+EXAMPLES = '''
+- name: Get latest release of test/test
+  github:
+    token: tokenabc1234567890
+    user: testuser
+    repo: testrepo
+    action: latest_release
+'''
+
+RETURN = '''
+latest_release:
+    description: Version of the latest release
+    type: string
+    returned: success
+    sample: 1.1.0
+'''
+
+try:
+    import github3
+
+    HAS_GITHUB_API = True
+except ImportError:
+    HAS_GITHUB_API = False
+
+
+def main():
+    module = AnsibleModule(
+        argument_spec=dict(
+            repo=dict(required=True),
+            user=dict(required=True),
+            token=dict(required=True, no_log=True),
+            action=dict(required=True, choices=['latest_release']),
+        ),
+        supports_check_mode=True
+    )
+
+    if not HAS_GITHUB_API:
+        module.fail_json(msg='Missing requried github3 module (check docs or install with: pip install github3)')
+
+    repo = module.params['repo']
+    user = module.params['user']
+    login_token = module.params['token']
+    action = module.params['action']
+
+    # login to github
+    try:
+        gh = github3.login(token=str(login_token))
+        # test if we're actually logged in
+        gh.me()
+    except github3.AuthenticationFailed:
+        e = get_exception()
+        module.fail_json(msg='Failed to connect to Github: %s' % e)
+
+    repository = gh.repository(str(user), str(repo))
+
+    if not repository:
+        module.fail_json(msg="Repository %s/%s doesn't exist" % (user, repo))
+
+    if action == 'latest_release':
+        release = repository.latest_release()
+        if release:
+            module.exit_json(tag=release.tag_name)
+        else:
+            module.exit_json(tag=None)
+
+
+from ansible.module_utils.basic import *
+
+if __name__ == '__main__':
+    main()