def add_service(name, client, params=None, target_name=None, startup_dependency=None, delay_registration=False): """ Add a service :param name: Template name of the service to add :type name: str :param client: Client on which to add the service :type client: source.tools.localclient.LocalClient :param params: Additional information about the service :type params: dict or None :param target_name: Overrule default name of the service with this name :type target_name: str or None :param startup_dependency: Additional startup dependency :type startup_dependency: str or None :param delay_registration: Register the service parameters in the config management right away or not :type delay_registration: bool :return: Parameters used by the service :rtype: dict """ if params is None: params = {} service_name = Systemd._get_name(name, client, '/opt/asd-manager/config/systemd/') template_file = '/opt/asd-manager/config/systemd/{0}.service'.format(service_name) if not client.file_exists(template_file): # Given template doesn't exist so we are probably using system init scripts return if target_name is not None: service_name = target_name params.update({'SERVICE_NAME': Toolbox.remove_prefix(service_name, 'ovs-'), 'STARTUP_DEPENDENCY': '' if startup_dependency is None else '{0}.service'.format(startup_dependency)}) template_content = client.file_read(template_file) for key, value in params.iteritems(): template_content = template_content.replace('<{0}>'.format(key), value) client.file_write('/lib/systemd/system/{0}.service'.format(service_name), template_content) try: client.run(['systemctl', 'daemon-reload']) client.run(['systemctl', 'enable', '{0}.service'.format(service_name)]) except CalledProcessError as cpe: Systemd._logger.exception('Add {0}.service failed, {1}'.format(service_name, cpe.output)) raise Exception('Add {0}.service failed, {1}'.format(service_name, cpe.output)) if delay_registration is False: Systemd.register_service(service_metadata=params, node_name='') return params
def list(key): """ List all keys starting with specified key :param key: Key to list :type key: str :return: Generator with all keys :rtype: generator """ key = ArakoonConfiguration._clean_key(key) client = ArakoonConfiguration.get_client() entries = [] for entry in client.prefix(key): if key == '' or entry.startswith(key + '/'): cleaned = Toolbox.remove_prefix(entry, key).strip('/').split('/')[0] if cleaned not in entries: entries.append(cleaned) yield cleaned
def add_service(name, client, params=None, target_name=None, startup_dependency=None, delay_registration=False): """ Add a service :param name: Template name of the service to add :type name: str :param client: Client on which to add the service :type client: source.tools.localclient.LocalClient :param params: Additional information about the service :type params: dict or None :param target_name: Overrule default name of the service with this name :type target_name: str or None :param startup_dependency: Additional startup dependency :type startup_dependency: str or None :param delay_registration: Register the service parameters in the config management right away or not :type delay_registration: bool :return: Parameters used by the service :rtype: dict """ if params is None: params = {} service_name = Upstart._get_name(name, client, '/opt/asd-manager/config/upstart/') template_file = '/opt/asd-manager/config/upstart/{0}.conf'.format(service_name) if not client.file_exists(template_file): # Given template doesn't exist so we are probably using system init scripts return if target_name is not None: service_name = target_name params.update({'SERVICE_NAME': Toolbox.remove_prefix(service_name, 'ovs-'), 'STARTUP_DEPENDENCY': '' if startup_dependency is None else 'started {0}'.format(startup_dependency)}) template_content = client.file_read(template_file) for key, value in params.iteritems(): template_content = template_content.replace('<{0}>'.format(key), value) client.file_write('/etc/init/{0}.conf'.format(service_name), template_content) if delay_registration is False: Upstart.register_service(service_metadata=params, node_name='') return params
def get_candidate_versions(client, package_names): """ Retrieve the versions candidate for installation of the packages provided :param client: Root client on which to check the candidate versions :type client: source.tools.localclient.LocalClient :param package_names: Name of the packages to check :type package_names: list :return: Package candidate versions :rtype: dict """ DebianPackage.update(client=client) versions = {} for package_name in package_names: versions[package_name] = '' for line in client.run(['apt-cache', 'policy', package_name, DebianPackage.APT_CONFIG_STRING]).splitlines(): line = line.strip() if line.startswith('Candidate:'): candidate = Toolbox.remove_prefix(line, 'Candidate:').strip() if candidate == '(none)': candidate = '' versions[package_name] = candidate break return versions
def unregister_service(node_name, service_name): """ Un-register the metadata of a service from the configuration management :param node_name: Unused :type node_name: str :param service_name: Name of the service to clean from the configuration management :type service_name: str :return: None """ _ = node_name with open(Toolbox.BOOTSTRAP_FILE, 'r') as bs_file: node_id = json.load(bs_file)['node_id'] Configuration.delete(key='/ovs/alba/asdnodes/{0}/services/{1}'.format(node_id, Toolbox.remove_prefix(service_name, 'ovs-')))
def register_service(node_name, service_metadata): """ Register the metadata of the service to the configuration management :param node_name: Unused :type node_name: str :param service_metadata: Metadata of the service :type service_metadata: dict :return: None """ _ = node_name service_name = service_metadata['SERVICE_NAME'] with open(Toolbox.BOOTSTRAP_FILE, 'r') as bs_file: node_id = json.load(bs_file)['node_id'] Configuration.set(key='/ovs/alba/asdnodes/{0}/services/{1}'.format(node_id, Toolbox.remove_prefix(service_name, 'ovs-')), value=service_metadata)