mirror of
https://github.com/thegeeklab/ansible-later.git
synced 2024-07-06 09:00:58 +02:00
269 lines
7.4 KiB
Python
269 lines
7.4 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# (c) 2014, Jakub Jirutka <jakub@jirutka.cz>
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#
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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from __future__ import absolute_import, division, print_function
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__metaclass__ = type
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ANSIBLE_METADATA = {'metadata_version': '1.1',
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'status': ['preview'],
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'supported_by': 'community'}
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DOCUMENTATION = '''
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---
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module: layman
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author: "Jakub Jirutka (@jirutka)"
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version_added: "1.6"
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short_description: Manage Gentoo overlays
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description:
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- Uses Layman to manage an additional repositories for the Portage package manager on Gentoo Linux.
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Please note that Layman must be installed on a managed node prior using this module.
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requirements:
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- "python >= 2.6"
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- layman python module
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options:
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name:
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description:
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- The overlay id to install, synchronize, or uninstall.
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Use 'ALL' to sync all of the installed overlays (can be used only when C(state=updated)).
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required: true
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list_url:
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description:
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- An URL of the alternative overlays list that defines the overlay to install.
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This list will be fetched and saved under C(${overlay_defs})/${name}.xml), where
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C(overlay_defs) is readed from the Layman's configuration.
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state:
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description:
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- Whether to install (C(present)), sync (C(updated)), or uninstall (C(absent)) the overlay.
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default: present
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choices: [present, absent, updated]
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validate_certs:
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description:
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- If C(no), SSL certificates will not be validated. This should only be
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set to C(no) when no other option exists. Prior to 1.9.3 the code
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defaulted to C(no).
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type: bool
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default: 'yes'
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version_added: '1.9.3'
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'''
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EXAMPLES = '''
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# Install the overlay 'mozilla' which is on the central overlays list.
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- layman:
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name: mozilla
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# Install the overlay 'cvut' from the specified alternative list.
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- layman:
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name: cvut
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list_url: 'http://raw.github.com/cvut/gentoo-overlay/master/overlay.xml'
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# Update (sync) the overlay 'cvut', or install if not installed yet.
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- layman:
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name: cvut
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list_url: 'http://raw.github.com/cvut/gentoo-overlay/master/overlay.xml'
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state: updated
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# Update (sync) all of the installed overlays.
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- layman:
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name: ALL
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state: updated
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# Uninstall the overlay 'cvut'.
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- layman:
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name: cvut
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state: absent
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'''
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import shutil
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from os import path
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try:
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from layman.api import LaymanAPI
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from layman.config import BareConfig
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HAS_LAYMAN_API = True
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except ImportError:
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HAS_LAYMAN_API = False
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from ansible.module_utils.basic import AnsibleModule
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from ansible.module_utils.urls import fetch_url
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USERAGENT = 'ansible-httpget'
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class ModuleError(Exception):
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pass
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def init_layman(config=None):
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'''Returns the initialized ``LaymanAPI``.
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:param config: the layman's configuration to use (optional)
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'''
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if config is None:
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config = BareConfig(read_configfile=True, quietness=1)
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return LaymanAPI(config)
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def download_url(module, url, dest):
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'''
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:param url: the URL to download
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:param dest: the absolute path of where to save the downloaded content to;
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it must be writable and not a directory
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:raises ModuleError
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'''
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# Hack to add params in the form that fetch_url expects
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module.params['http_agent'] = USERAGENT
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response, info = fetch_url(module, url)
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if info['status'] != 200:
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raise ModuleError("Failed to get %s: %s" % (url, info['msg']))
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try:
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with open(dest, 'w') as f:
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shutil.copyfileobj(response, f)
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except IOError as e:
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raise ModuleError("Failed to write: %s" % str(e))
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def install_overlay(module, name, list_url=None):
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'''Installs the overlay repository. If not on the central overlays list,
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then :list_url of an alternative list must be provided. The list will be
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fetched and saved under ``%(overlay_defs)/%(name.xml)`` (location of the
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``overlay_defs`` is read from the Layman's configuration).
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:param name: the overlay id
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:param list_url: the URL of the remote repositories list to look for the overlay
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definition (optional, default: None)
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:returns: True if the overlay was installed, or False if already exists
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(i.e. nothing has changed)
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:raises ModuleError
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'''
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# read Layman configuration
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layman_conf = BareConfig(read_configfile=True)
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layman = init_layman(layman_conf)
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if layman.is_installed(name):
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return False
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if module.check_mode:
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mymsg = 'Would add layman repo \'' + name + '\''
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module.exit_json(changed=True, msg=mymsg)
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if not layman.is_repo(name):
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if not list_url:
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raise ModuleError("Overlay '%s' is not on the list of known "
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"overlays and URL of the remote list was not provided." % name)
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overlay_defs = layman_conf.get_option('overlay_defs')
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dest = path.join(overlay_defs, name + '.xml')
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download_url(module, list_url, dest)
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# reload config
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layman = init_layman()
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if not layman.add_repos(name):
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raise ModuleError(layman.get_errors())
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return True
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def uninstall_overlay(module, name):
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'''Uninstalls the given overlay repository from the system.
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:param name: the overlay id to uninstall
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:returns: True if the overlay was uninstalled, or False if doesn't exist
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(i.e. nothing has changed)
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:raises ModuleError
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'''
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layman = init_layman()
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if not layman.is_installed(name):
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return False
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if module.check_mode:
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mymsg = 'Would remove layman repo \'' + name + '\''
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module.exit_json(changed=True, msg=mymsg)
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layman.delete_repos(name)
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if layman.get_errors():
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raise ModuleError(layman.get_errors())
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return True
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def sync_overlay(name):
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'''Synchronizes the specified overlay repository.
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:param name: the overlay repository id to sync
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:raises ModuleError
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'''
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layman = init_layman()
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if not layman.sync(name):
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messages = [str(item[1]) for item in layman.sync_results[2]]
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raise ModuleError(messages)
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def sync_overlays():
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'''Synchronize all of the installed overlays.
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:raises ModuleError
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'''
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layman = init_layman()
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for name in layman.get_installed():
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sync_overlay(name)
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def main():
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# define module
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module = AnsibleModule(
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argument_spec=dict(
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name=dict(required=True),
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list_url=dict(aliases=['url']),
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state=dict(default="present", choices=['present', 'absent', 'updated']),
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validate_certs=dict(required=False, default=True, type='bool'),
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),
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supports_check_mode=True
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)
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if not HAS_LAYMAN_API:
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module.fail_json(msg='Layman is not installed')
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state, name, url = (module.params[key] for key in ['state', 'name', 'list_url'])
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changed = False
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try:
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if state == 'present':
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changed = install_overlay(module, name, url)
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elif state == 'updated':
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if name == 'ALL':
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sync_overlays()
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elif install_overlay(module, name, url):
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changed = True
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else:
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sync_overlay(name)
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else:
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changed = uninstall_overlay(module, name)
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except ModuleError as e:
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module.fail_json(msg=e.message)
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else:
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module.exit_json(changed=changed, name=name)
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if __name__ == '__main__':
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main()
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