#!/usr/bin/python # -*- coding: utf-8 -*- # (c) 2013, Daniel Jaouen # (c) 2016, Indrajit Raychaudhuri # # Based on homebrew (Andrew Dunham ) # # GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt) from __future__ import absolute_import, division, print_function __metaclass__ = type ANSIBLE_METADATA = {'metadata_version': '1.1', 'status': ['preview'], 'supported_by': 'community'} DOCUMENTATION = ''' --- module: homebrew_tap author: - "Indrajit Raychaudhuri (@indrajitr)" - "Daniel Jaouen (@danieljaouen)" short_description: Tap a Homebrew repository. description: - Tap external Homebrew repositories. version_added: "1.6" options: name: description: - The GitHub user/organization repository to tap. required: true aliases: ['tap'] url: description: - The optional git URL of the repository to tap. The URL is not assumed to be on GitHub, and the protocol doesn't have to be HTTP. Any location and protocol that git can handle is fine. - I(name) option may not be a list of multiple taps (but a single tap instead) when this option is provided. required: false version_added: "2.2" state: description: - state of the repository. choices: [ 'present', 'absent' ] required: false default: 'present' requirements: [ homebrew ] ''' EXAMPLES = ''' - homebrew_tap: name: homebrew/dupes - homebrew_tap: name: homebrew/dupes state: absent - homebrew_tap: name: homebrew/dupes,homebrew/science state: present - homebrew_tap: name: telemachus/brew url: 'https://bitbucket.org/telemachus/brew' ''' import re from ansible.module_utils.basic import AnsibleModule def a_valid_tap(tap): '''Returns True if the tap is valid.''' regex = re.compile(r'^([\w-]+)/(homebrew-)?([\w-]+)$') return regex.match(tap) def already_tapped(module, brew_path, tap): '''Returns True if already tapped.''' rc, out, err = module.run_command([ brew_path, 'tap', ]) taps = [tap_.strip().lower() for tap_ in out.split('\n') if tap_] tap_name = re.sub('homebrew-', '', tap.lower()) return tap_name in taps def add_tap(module, brew_path, tap, url=None): '''Adds a single tap.''' failed, changed, msg = False, False, '' if not a_valid_tap(tap): failed = True msg = 'not a valid tap: %s' % tap elif not already_tapped(module, brew_path, tap): if module.check_mode: module.exit_json(changed=True) rc, out, err = module.run_command([ brew_path, 'tap', tap, url, ]) if rc == 0: changed = True msg = 'successfully tapped: %s' % tap else: failed = True msg = 'failed to tap: %s' % tap else: msg = 'already tapped: %s' % tap return (failed, changed, msg) def add_taps(module, brew_path, taps): '''Adds one or more taps.''' failed, unchanged, added, msg = False, 0, 0, '' for tap in taps: (failed, changed, msg) = add_tap(module, brew_path, tap) if failed: break if changed: added += 1 else: unchanged += 1 if failed: msg = 'added: %d, unchanged: %d, error: ' + msg msg = msg % (added, unchanged) elif added: changed = True msg = 'added: %d, unchanged: %d' % (added, unchanged) else: msg = 'added: %d, unchanged: %d' % (added, unchanged) return (failed, changed, msg) def remove_tap(module, brew_path, tap): '''Removes a single tap.''' failed, changed, msg = False, False, '' if not a_valid_tap(tap): failed = True msg = 'not a valid tap: %s' % tap elif already_tapped(module, brew_path, tap): if module.check_mode: module.exit_json(changed=True) rc, out, err = module.run_command([ brew_path, 'untap', tap, ]) if not already_tapped(module, brew_path, tap): changed = True msg = 'successfully untapped: %s' % tap else: failed = True msg = 'failed to untap: %s' % tap else: msg = 'already untapped: %s' % tap return (failed, changed, msg) def remove_taps(module, brew_path, taps): '''Removes one or more taps.''' failed, unchanged, removed, msg = False, 0, 0, '' for tap in taps: (failed, changed, msg) = remove_tap(module, brew_path, tap) if failed: break if changed: removed += 1 else: unchanged += 1 if failed: msg = 'removed: %d, unchanged: %d, error: ' + msg msg = msg % (removed, unchanged) elif removed: changed = True msg = 'removed: %d, unchanged: %d' % (removed, unchanged) else: msg = 'removed: %d, unchanged: %d' % (removed, unchanged) return (failed, changed, msg) def main(): module = AnsibleModule( argument_spec=dict( name=dict(aliases=['tap'], type='list', required=True), url=dict(default=None, required=False), state=dict(default='present', choices=['present', 'absent']), ), supports_check_mode=True, ) brew_path = module.get_bin_path( 'brew', required=True, opt_dirs=['/usr/local/bin'] ) taps = module.params['name'] url = module.params['url'] if module.params['state'] == 'present': if url is None: # No tap URL provided explicitly, continue with bulk addition # of all the taps. failed, changed, msg = add_taps(module, brew_path, taps) else: # When an tap URL is provided explicitly, we allow adding # *single* tap only. Validate and proceed to add single tap. if len(taps) > 1: msg = "List of multiple taps may not be provided with 'url' option." module.fail_json(msg=msg) else: failed, changed, msg = add_tap(module, brew_path, taps[0], url) if failed: module.fail_json(msg=msg) else: module.exit_json(changed=changed, msg=msg) elif module.params['state'] == 'absent': failed, changed, msg = remove_taps(module, brew_path, taps) if failed: module.fail_json(msg=msg) else: module.exit_json(changed=changed, msg=msg) if __name__ == '__main__': main()