62e7882e9e
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
362 lines
12 KiB
Python
362 lines
12 KiB
Python
# 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
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import logging.config
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import logging.handlers
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import os
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import socket
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# TODO ^ eventlet.socket ?
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import sys
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from heat import version
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from heat.common import wsgi
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from heat.openstack.common import cfg
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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('config_file'),
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]
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FLAGS = None
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rpc_opts = [
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cfg.StrOpt('rpc_backend',
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default='heat.rpc.impl_qpid',
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help="The messaging module to use, defaults to kombu."),
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cfg.IntOpt('rpc_thread_pool_size',
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default=1024,
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help='Size of RPC thread pool'),
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cfg.IntOpt('rpc_conn_pool_size',
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default=30,
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help='Size of RPC connection pool'),
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cfg.IntOpt('rpc_response_timeout',
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default=60,
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help='Seconds to wait for a response from call or multicall'),
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cfg.StrOpt('qpid_hostname',
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default='localhost',
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help='Qpid broker hostname'),
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cfg.StrOpt('qpid_port',
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default='5672',
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help='Qpid broker port'),
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cfg.StrOpt('qpid_username',
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default='',
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help='Username for qpid connection'),
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cfg.StrOpt('qpid_password',
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default='',
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help='Password for qpid connection'),
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cfg.StrOpt('qpid_sasl_mechanisms',
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default='',
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help='Space separated list of SASL mechanisms to use for auth'),
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cfg.BoolOpt('qpid_reconnect',
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default=True,
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help='Automatically reconnect'),
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cfg.IntOpt('qpid_reconnect_timeout',
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default=0,
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help='Reconnection timeout in seconds'),
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cfg.IntOpt('qpid_reconnect_limit',
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default=0,
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help='Max reconnections before giving up'),
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cfg.IntOpt('qpid_reconnect_interval_min',
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default=0,
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help='Minimum seconds between reconnection attempts'),
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cfg.IntOpt('qpid_reconnect_interval_max',
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default=0,
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help='Maximum seconds between reconnection attempts'),
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cfg.IntOpt('qpid_reconnect_interval',
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default=0,
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help='Equivalent to setting max and min to the same value'),
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cfg.IntOpt('qpid_heartbeat',
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default=5,
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help='Seconds between connection keepalive heartbeats'),
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cfg.StrOpt('qpid_protocol',
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default='tcp',
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help="Transport to use, either 'tcp' or 'ssl'"),
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cfg.BoolOpt('qpid_tcp_nodelay',
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default=True,
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help='Disable Nagle algorithm'),
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cfg.StrOpt('rabbit_host',
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default='localhost',
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help='the RabbitMQ host'),
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cfg.IntOpt('rabbit_port',
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default=5672,
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help='the RabbitMQ port'),
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cfg.BoolOpt('rabbit_use_ssl',
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default=False,
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help='connect over SSL for RabbitMQ'),
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cfg.StrOpt('rabbit_userid',
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default='guest',
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help='the RabbitMQ userid'),
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cfg.StrOpt('rabbit_password',
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default='guest',
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help='the RabbitMQ password'),
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cfg.StrOpt('rabbit_virtual_host',
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default='/',
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help='the RabbitMQ virtual host'),
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cfg.IntOpt('rabbit_retry_interval',
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default=1,
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help='how frequently to retry connecting with RabbitMQ'),
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cfg.IntOpt('rabbit_retry_backoff',
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default=2,
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help='how long to backoff for between retries when connecting '
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'to RabbitMQ'),
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cfg.IntOpt('rabbit_max_retries',
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default=0,
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help='maximum retries with trying to connect to RabbitMQ '
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'(the default of 0 implies an infinite retry count)'),
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cfg.StrOpt('control_exchange',
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default='heat-engine',
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help='the main RabbitMQ exchange to connect to'),
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]
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class HeatConfigOpts(cfg.CommonConfigOpts):
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def __init__(self, default_config_files=None, **kwargs):
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super(HeatConfigOpts, self).__init__(
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project='heat',
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version='%%prog %s' % version.version_string(),
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default_config_files=default_config_files,
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**kwargs)
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self.register_cli_opts(rpc_opts)
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class HeatMetadataConfigOpts(cfg.CommonConfigOpts):
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def __init__(self, default_config_files=None, **kwargs):
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config_files = cfg.find_config_files(project='heat',
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prog='heat-metadata')
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super(HeatMetadataConfigOpts, self).__init__(
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project='heat',
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version='%%prog %s' % version.version_string(),
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default_config_files=default_config_files,
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**kwargs)
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opts = [cfg.IntOpt('bind_port', default=8000),
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cfg.StrOpt('bind_host', default='127.0.0.1')]
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opts.extend(rpc_opts)
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self.register_cli_opts(opts)
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class HeatEngineConfigOpts(cfg.CommonConfigOpts):
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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('metadata_manager',
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default='nova.api.manager.MetadataManager',
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help='OpenStack metadata service manager'),
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cfg.StrOpt('metadata_listen',
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default="0.0.0.0",
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help='IP address for metadata api to listen'),
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cfg.IntOpt('metadata_listen_port',
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default=8775,
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help='port for metadata api to listen'),
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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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]
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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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]
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engine_opts = [
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cfg.StrOpt('host',
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default=socket.gethostname(),
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help='Name of this node. 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.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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]
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def __init__(self, default_config_files=None, **kwargs):
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super(HeatEngineConfigOpts, self).__init__(
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project='heat',
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version='%%prog %s' % version.version_string(),
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**kwargs)
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config_files = cfg.find_config_files(project='heat',
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prog='heat-engine')
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self.register_cli_opts(self.engine_opts)
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self.register_cli_opts(self.db_opts)
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self.register_cli_opts(self.service_opts)
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self.register_cli_opts(rpc_opts)
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def setup_logging(conf):
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"""
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Sets up the logging options for a log with supplied name
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:param conf: a cfg.ConfOpts object
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"""
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if conf.log_config:
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# Use a logging configuration file for all settings...
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if os.path.exists(conf.log_config):
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logging.config.fileConfig(conf.log_config)
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return
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else:
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raise RuntimeError("Unable to locate specified logging "
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"config file: %s" % conf.log_config)
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root_logger = logging.root
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if conf.debug:
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root_logger.setLevel(logging.DEBUG)
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elif conf.verbose:
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root_logger.setLevel(logging.INFO)
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else:
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root_logger.setLevel(logging.WARNING)
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# quiet down the qpid logging
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root_logger.getChild('qpid.messaging').setLevel(logging.INFO)
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formatter = logging.Formatter(conf.log_format, conf.log_date_format)
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if conf.use_syslog:
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try:
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facility = getattr(logging.handlers.SysLogHandler,
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conf.syslog_log_facility)
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except AttributeError:
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raise ValueError(_("Invalid syslog facility"))
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handler = logging.handlers.SysLogHandler(address='/dev/log',
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facility=facility)
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elif conf.log_file:
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logfile = conf.log_file
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if conf.log_dir:
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logfile = os.path.join(conf.log_dir, logfile)
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handler = logging.handlers.WatchedFileHandler(logfile)
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else:
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handler = logging.StreamHandler(sys.stdout)
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handler.setFormatter(formatter)
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root_logger.addHandler(handler)
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def _register_paste_deploy_opts(conf):
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"""
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Idempotent registration of paste_deploy option group
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:param conf: a cfg.ConfigOpts object
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"""
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conf.register_group(paste_deploy_group)
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conf.register_opts(paste_deploy_opts, group=paste_deploy_group)
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def _get_deployment_flavor(conf):
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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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:param conf: a cfg.ConfigOpts object
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"""
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_register_paste_deploy_opts(conf)
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flavor = conf.paste_deploy.flavor
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return '' if not flavor else ('-' + flavor)
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def _get_deployment_config_file(conf):
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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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:param conf: a cfg.ConfigOpts object
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"""
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_register_paste_deploy_opts(conf)
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config_file = conf.paste_deploy.config_file
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if not config_file:
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if conf.config_file:
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# Assume paste config is in a paste.ini file corresponding
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# to the last config file
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path = os.path.splitext(conf.config_file[-1])[0] + "-paste.ini"
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else:
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return None
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else:
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path = config_file
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return os.path.abspath(path)
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def load_paste_app(conf, 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 conf: a cfg.ConfigOpts object
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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 = 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(conf)
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conf_file = _get_deployment_config_file(conf)
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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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# Setup logging early
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setup_logging(conf)
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app = wsgi.paste_deploy_app(conf_file, app_name, conf)
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# Log the options used when starting if we're in debug mode...
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if conf.debug:
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conf.log_opt_values(logging.getLogger(app_name), logging.DEBUG)
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return app
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except (LookupError, ImportError), 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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