Add bower module

lib/ansible/modules/extras/packaging/bower.py

@@ -0,0 +1,187 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+
+# (c) 2014, Michael Warkentin <mwarkentin@gmail.com>
+#
+# 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: bower
+short_description: Manage bower packages with bower
+description:
+  - Manage bower packages with bower
+version_added: 1.7
+author: Michael Warkentin
+options:
+  name:
+    description:
+      - The name of a bower package to install
+    required: false
+  offline:
+    description:
+      - Install packages from local cache, if the packages were installed before
+    required: false
+    default: no
+    choices: [ "yes", "no" ]
+  path:
+    description:
+      - The base path where to install the bower packages
+    required: true
+  state:
+    description:
+      - The state of the bower package
+    required: false
+    default: present
+    choices: [ "present", "absent", "latest" ]
+  version:
+    description:
+      - The version to be installed
+    required: false
+'''
+
+EXAMPLES = '''
+description: Install "bootstrap" bower package.
+- bower: name=bootstrap
+
+description: Install "bootstrap" bower package on version 3.1.1.
+- bower: name=bootstrap version=3.1.1
+
+description: Remove the "bootstrap" bower package.
+- bower: name=bootstrap state=absent
+
+description: Install packages based on bower.json.
+- bower: path=/app/location
+
+description: Update packages based on bower.json to their latest version.
+- bower: path=/app/location state=latest
+'''
+
+
+class Bower(object):
+    def __init__(self, module, **kwargs):
+        self.module = module
+        self.name = kwargs['name']
+        self.offline = kwargs['offline']
+        self.path = kwargs['path']
+        self.version = kwargs['version']
+
+        if kwargs['version']:
+            self.name_version = self.name + '#' + self.version
+        else:
+            self.name_version = self.name
+
+    def _exec(self, args, run_in_check_mode=False, check_rc=True):
+        if not self.module.check_mode or (self.module.check_mode and run_in_check_mode):
+            cmd = ["bower"] + args
+
+            if self.name:
+                cmd.append(self.name_version)
+
+            if self.offline:
+                cmd.append('--offline')
+
+            # If path is specified, cd into that path and run the command.
+            cwd = None
+            if self.path:
+                if not os.path.exists(self.path):
+                    os.makedirs(self.path)
+                if not os.path.isdir(self.path):
+                    self.module.fail_json(msg="path %s is not a directory" % self.path)
+                cwd = self.path
+
+            rc, out, err = self.module.run_command(cmd, check_rc=check_rc, cwd=cwd)
+            return out
+        return ''
+
+    def list(self):
+        cmd = ['list', '--json']
+
+        installed = list()
+        missing = list()
+        outdated = list()
+        data = json.loads(self._exec(cmd, True, False))
+        if 'dependencies' in data:
+            for dep in data['dependencies']:
+                if 'missing' in data['dependencies'][dep] and data['dependencies'][dep]['missing']:
+                    missing.append(dep)
+                elif data['dependencies'][dep]['pkgMeta']['version'] != data['dependencies'][dep]['update']['latest']:
+                    outdated.append(dep)
+                elif 'incompatible' in data['dependencies'][dep] and data['dependencies'][dep]['incompatible']:
+                    outdated.append(dep)
+                else:
+                    installed.append(dep)
+        # Named dependency not installed
+        else:
+            missing.append(self.name)
+
+        return installed, missing, outdated
+
+    def install(self):
+        return self._exec(['install'])
+
+    def update(self):
+        return self._exec(['update'])
+
+    def uninstall(self):
+        return self._exec(['uninstall'])
+
+
+def main():
+    arg_spec = dict(
+        name=dict(default=None),
+        offline=dict(default='no', type='bool'),
+        path=dict(required=True),
+        state=dict(default='present', choices=['present', 'absent', 'latest', ]),
+        version=dict(default=None),
+    )
+    module = AnsibleModule(
+        argument_spec=arg_spec
+    )
+
+    name = module.params['name']
+    offline = module.params['offline']
+    path = module.params['path']
+    state = module.params['state']
+    version = module.params['version']
+
+    if state == 'absent' and not name:
+        module.fail_json(msg='uninstalling a package is only available for named packages')
+
+    bower = Bower(module, name=name, offline=offline, path=path, version=version)
+
+    changed = False
+    if state == 'present':
+        installed, missing, outdated = bower.list()
+        if len(missing):
+            changed = True
+            bower.install()
+    elif state == 'latest':
+        installed, missing, outdated = bower.list()
+        if len(missing) or len(outdated):
+            changed = True
+            bower.update()
+    else:  # Absent
+        installed, missing, outdated = bower.list()
+        if name in installed:
+            changed = True
+            bower.uninstall()
+
+    module.exit_json(changed=changed)
+
+# Import module snippets
+from ansible.module_utils.basic import *
+main()