190 lines
6.6 KiB
Python
190 lines
6.6 KiB
Python
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""
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Routines for configuring Heat
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"""
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import logging as sys_logging
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import os
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from eventlet.green import socket
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from oslo.config import cfg
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from heat.common import wsgi
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from heat.openstack.common import log as logging
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from heat.openstack.common import rpc
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DEFAULT_PORT = 8000
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paste_deploy_group = cfg.OptGroup('paste_deploy')
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paste_deploy_opts = [
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cfg.StrOpt('flavor'),
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cfg.StrOpt('api_paste_config', default="api-paste.ini",
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help="The API paste config file to use")]
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service_opts = [
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cfg.IntOpt('report_interval',
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default=10,
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help='seconds between nodes reporting state to datastore'),
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cfg.IntOpt('periodic_interval',
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default=60,
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help='seconds between running periodic tasks'),
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cfg.StrOpt('ec2_listen',
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default="0.0.0.0",
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help='IP address for EC2 API to listen'),
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cfg.IntOpt('ec2_listen_port',
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default=8773,
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help='port for ec2 api to listen'),
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cfg.StrOpt('osapi_compute_listen',
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default="0.0.0.0",
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help='IP address for OpenStack API to listen'),
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cfg.IntOpt('osapi_compute_listen_port',
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default=8774,
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help='list port for osapi compute'),
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cfg.StrOpt('osapi_volume_listen',
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default="0.0.0.0",
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help='IP address for OpenStack Volume API to listen'),
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cfg.IntOpt('osapi_volume_listen_port',
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default=8776,
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help='port for os volume api to listen'),
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cfg.StrOpt('heat_metadata_server_url',
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default="",
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help='URL of the Heat metadata server'),
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cfg.StrOpt('heat_waitcondition_server_url',
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default="",
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help='URL of the Heat waitcondition server'),
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cfg.StrOpt('heat_watch_server_url',
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default="",
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help='URL of the Heat cloudwatch server'),
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cfg.StrOpt('instance_connection_is_secure',
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default="0",
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help='Instance connection to cfn/cw API via https'),
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cfg.StrOpt('instance_connection_https_validate_certificates',
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default="1",
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help='Instance connection to cfn/cw API validate certs if ssl'),
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cfg.StrOpt('heat_stack_user_role',
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default="heat_stack_user",
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help='Keystone role for heat template-defined users')]
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db_opts = [
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cfg.StrOpt('sql_connection',
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default='mysql://heat:heat@localhost/heat',
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help='The SQLAlchemy connection string used to connect to the '
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'database'),
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cfg.IntOpt('sql_idle_timeout',
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default=3600,
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help='timeout before idle sql connections are reaped')]
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engine_opts = [
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cfg.StrOpt('instance_user',
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default='ec2-user',
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help='The default user for new instances'),
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cfg.StrOpt('instance_driver',
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default='heat.engine.nova',
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help='Driver to use for controlling instances'),
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cfg.ListOpt('plugin_dirs',
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default=['/usr/lib64/heat', '/usr/lib/heat'],
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help='List of directories to search for Plugins')]
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rpc_opts = [
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cfg.StrOpt('host',
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default=socket.gethostname(),
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help='Name of the engine node. '
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'This can be an opaque identifier.'
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'It is not necessarily a hostname, FQDN, or IP address.')]
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cfg.CONF.register_opts(db_opts)
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cfg.CONF.register_opts(engine_opts)
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cfg.CONF.register_opts(service_opts)
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cfg.CONF.register_opts(rpc_opts)
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cfg.CONF.register_group(paste_deploy_group)
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cfg.CONF.register_opts(paste_deploy_opts, group=paste_deploy_group)
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# TODO(jianingy): I'll set allowed_rpc_exception_modules here for now.
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# after figure out why rpc_set_default was not called,
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# I'll move these settings into rpc_set_default()
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allowed_rpc_exception_modules = cfg.CONF.allowed_rpc_exception_modules
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allowed_rpc_exception_modules.append('heat.common.exception')
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cfg.CONF.set_default(name='allowed_rpc_exception_modules',
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default=allowed_rpc_exception_modules)
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def rpc_set_default():
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rpc.set_defaults(control_exchange='heat')
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def _get_deployment_flavor():
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"""
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Retrieve the paste_deploy.flavor config item, formatted appropriately
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for appending to the application name.
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"""
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flavor = cfg.CONF.paste_deploy.flavor
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return '' if not flavor else ('-' + flavor)
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def _get_deployment_config_file():
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"""
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Retrieve the deployment_config_file config item, formatted as an
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absolute pathname.
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"""
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config_path = cfg.CONF.find_file(
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cfg.CONF.paste_deploy['api_paste_config'])
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if config_path is None:
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return None
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return os.path.abspath(config_path)
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def load_paste_app(app_name=None):
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"""
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Builds and returns a WSGI app from a paste config file.
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We assume the last config file specified in the supplied ConfigOpts
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object is the paste config file.
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:param app_name: name of the application to load
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:raises RuntimeError when config file cannot be located or application
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cannot be loaded from config file
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"""
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if app_name is None:
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app_name = cfg.CONF.prog
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# append the deployment flavor to the application name,
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# in order to identify the appropriate paste pipeline
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app_name += _get_deployment_flavor()
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conf_file = _get_deployment_config_file()
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if conf_file is None:
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raise RuntimeError("Unable to locate config file")
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try:
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app = wsgi.paste_deploy_app(conf_file, app_name, cfg.CONF)
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# Log the options used when starting if we're in debug mode...
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if cfg.CONF.debug:
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cfg.CONF.log_opt_values(logging.getLogger(app_name),
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sys_logging.DEBUG)
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return app
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except (LookupError, ImportError) as e:
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raise RuntimeError("Unable to load %(app_name)s from "
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"configuration file %(conf_file)s."
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"\nGot: %(e)r" % locals())
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