Merge pull request #794 from mattupstate/apt_repository

add apt_repository module

library/apt_repository

+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+
+# (c) 2012, Matt Wright <matt@nobien.net>
+#
+# 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/>.
+#
+# Example:
+# - name: add nginx repo
+#   action: apt_repository repo=ppa:nginx/stable state=present
+#
+
+import platform
+
+APT = "/usr/bin/apt-get"
+ADD_APT_REPOSITORY = None
+
+
+def _find_binary():
+    binaries = ['/usr/bin/add-apt-repository']
+
+    for e in binaries:
+        if os.path.exists(e):
+            return e
+
+    module.fail_json(msg='Unabled to find any of the following executables '
+                         '%s' % binaries)
+
+def _run(cmd):
+    # returns (rc, stdout, stderr) from shell command
+    process = subprocess.Popen(cmd, stdout=subprocess.PIPE,
+                               stderr=subprocess.PIPE, shell=True)
+    stdout, stderr = process.communicate()
+    return (process.returncode, stdout, stderr)
+
+
+def main():
+    arg_spec = dict(
+        repo=dict(required=True),
+        state=dict(default='present', choices=['present', 'absent'])
+    )
+
+    module = AnsibleModule(argument_spec=arg_spec)
+
+    ADD_APT_REPOSITORY = _find_binary()
+
+    repo = module.params['repo']
+    state = module.params['state']
+
+    rc, out, err = _run('%s %s --remove' % (ADD_APT_REPOSITORY, repo))
+    existed = 'Error' not in out
+
+    if state == 'absent':
+        if not existed:
+            module.exit_json(changed=False, repo=repo, state=state)
+        else:
+            module.exit_json(changed=True, repo=repo, state=state)
+
+    cmd = '%s %s' % (ADD_APT_REPOSITORY, repo)
+
+    if float(platform.dist()[1]) >= 11.10:
+        cmd = cmd + ' -y'
+
+    rc, out, err = _run(cmd)
+
+    changed = rc == 0 and not existed
+
+    if rc != 0:
+        module.fail_json(msg=err)
+
+    if changed:
+        rc, out, err = _run('%s update' % APT)
+
+    module.exit_json(changed=changed, repo=repo, state=state)
+
+# this is magic, see lib/ansible/module_common.py
+#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
+
+main()