# Copyright 2011 OpenStack LLC. # All Rights Reserved. # # Licensed under the Apache License, Version 2.0 (the "License"); you may # not use this file except in compliance with the License. You may obtain # a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the # License for the specific language governing permissions and limitations # under the License. """ Routines for configuring Glance """ import logging import logging.config import logging.handlers import os import sys from oslo.config import cfg from paste import deploy from muranoconductor import __version__ as version from ConfigParser import SafeConfigParser paste_deploy_opts = [ cfg.StrOpt('flavor'), cfg.StrOpt('config_file'), ] rabbit_opts = [ cfg.StrOpt('host', default='localhost'), cfg.IntOpt('port', default=5672), cfg.StrOpt('login', default='guest'), cfg.StrOpt('password', default='guest'), cfg.StrOpt('virtual_host', default='/'), cfg.BoolOpt('ssl', default=False), cfg.StrOpt('ca_certs', default='') ] heat_opts = [ cfg.BoolOpt('insecure', default=False), cfg.StrOpt('ca_file'), cfg.StrOpt('cert_file'), cfg.StrOpt('key_file'), cfg.StrOpt('endpoint_type', default='publicURL') ] keystone_opts = [ cfg.StrOpt('auth_url'), cfg.BoolOpt('insecure', default=False), cfg.StrOpt('ca_file'), cfg.StrOpt('cert_file'), cfg.StrOpt('key_file') ] CONF = cfg.CONF CONF.register_opts(paste_deploy_opts, group='paste_deploy') CONF.register_opts(rabbit_opts, group='rabbitmq') CONF.register_opts(heat_opts, group='heat') CONF.register_opts(keystone_opts, group='keystone') CONF.register_opt(cfg.StrOpt('file_server')) CONF.register_cli_opt(cfg.StrOpt('data_dir', default='./')) CONF.register_opt(cfg.IntOpt('max_environments', default=20)) CONF.import_opt('verbose', 'muranoconductor.openstack.common.log') CONF.import_opt('debug', 'muranoconductor.openstack.common.log') CONF.import_opt('log_dir', 'muranoconductor.openstack.common.log') CONF.import_opt('log_file', 'muranoconductor.openstack.common.log') CONF.import_opt('log_config', 'muranoconductor.openstack.common.log') CONF.import_opt('log_format', 'muranoconductor.openstack.common.log') CONF.import_opt('log_date_format', 'muranoconductor.openstack.common.log') CONF.import_opt('use_syslog', 'muranoconductor.openstack.common.log') CONF.import_opt('syslog_log_facility', 'muranoconductor.openstack.common.log') def parse_args(args=None, usage=None, default_config_files=None): CONF(args=args, project='conductor', version=version, usage=usage, default_config_files=default_config_files) def setup_logging(): """ Sets up the logging options for a log with supplied name """ if CONF.log_config: # Use a logging configuration file for all settings... if os.path.exists(CONF.log_config): logging.config.fileConfig(CONF.log_config) return else: raise RuntimeError("Unable to locate specified logging " "config file: %s" % CONF.log_config) root_logger = logging.root if CONF.debug: root_logger.setLevel(logging.DEBUG) elif CONF.verbose: root_logger.setLevel(logging.INFO) else: root_logger.setLevel(logging.WARNING) formatter = logging.Formatter(CONF.log_format, CONF.log_date_format) if CONF.use_syslog: try: facility = getattr(logging.handlers.SysLogHandler, CONF.syslog_log_facility) except AttributeError: raise ValueError(_("Invalid syslog facility")) handler = logging.handlers.SysLogHandler(address='/dev/log', facility=facility) elif CONF.log_file: logfile = CONF.log_file if CONF.log_dir: logfile = os.path.join(CONF.log_dir, logfile) handler = logging.handlers.WatchedFileHandler(logfile) else: handler = logging.StreamHandler(sys.stdout) handler.setFormatter(formatter) root_logger.addHandler(handler) def _get_deployment_flavor(): """ Retrieve the paste_deploy.flavor config item, formatted appropriately for appending to the application name. """ flavor = CONF.paste_deploy.flavor return '' if not flavor else ('-' + flavor) def _get_paste_config_path(): paste_suffix = '-paste.ini' conf_suffix = '.conf' if CONF.config_file: # Assume paste config is in a paste.ini file corresponding # to the last config file path = CONF.config_file[-1].replace(conf_suffix, paste_suffix) else: path = CONF.prog + '-paste.ini' return CONF.find_file(os.path.basename(path)) def _get_deployment_config_file(): """ Retrieve the deployment_config_file config item, formatted as an absolute pathname. """ path = CONF.paste_deploy.config_file if not path: path = _get_paste_config_path() if not path: msg = "Unable to locate paste config file for %s." % CONF.prog raise RuntimeError(msg) return os.path.abspath(path) def load_paste_app(app_name=None): """ Builds and returns a WSGI app from a paste config file. We assume the last config file specified in the supplied ConfigOpts object is the paste config file. :param app_name: name of the application to load :raises RuntimeError when config file cannot be located or application cannot be loaded from config file """ if app_name is None: app_name = CONF.prog # append the deployment flavor to the application name, # in order to identify the appropriate paste pipeline app_name += _get_deployment_flavor() conf_file = _get_deployment_config_file() try: logger = logging.getLogger(__name__) logger.debug(_("Loading %(app_name)s from %(conf_file)s"), {'conf_file': conf_file, 'app_name': app_name}) app = deploy.loadapp("config:%s" % conf_file, name=app_name) # Log the options used when starting if we're in debug mode... if CONF.debug: CONF.log_opt_values(logger, logging.DEBUG) return app except (LookupError, ImportError), e: msg = _("Unable to load %(app_name)s from " "configuration file %(conf_file)s." "\nGot: %(e)r") % locals() logger.error(msg) raise RuntimeError(msg) class Config(object): def get_setting(self, section, name, default=None): group = CONF if section and section != 'DEFAULT': group = group.get(section, default) return group.get(name, default) def __getitem__(self, item): parts = item.rsplit('.', 1) return self.get_setting( parts[0] if len(parts) == 2 else 'DEFAULT', parts[-1])