qinling/qinling/config.py
Lingxian Kong d2dd717a2f Add session support for function
Also add the documentation.

Partially implements: blueprint qinling-support-user-session
Change-Id: Ic11b3b9f6ffe65bb08cfd880b81d41a40590919b
2017-09-25 00:56:45 +13:00

189 lines
5.2 KiB
Python

# Copyright 2017 Catalyst IT Limited
#
# 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.
from keystoneauth1 import loading
from keystonemiddleware import auth_token
from oslo_config import cfg
from oslo_log import log
from qinling import version
CONF = cfg.CONF
launch_opt = cfg.ListOpt(
'server',
default=['all'],
help='Specifies which qinling server to start by the launch script.'
)
API_GROUP = 'api'
api_opts = [
cfg.StrOpt('host', default='0.0.0.0', help='Qinling API server host.'),
cfg.PortOpt('port', default=7070, help='Qinling API server port.'),
cfg.BoolOpt(
'enable_ssl_api',
default=False,
help='Enable the integrated stand-alone API to service requests'
'via HTTPS instead of HTTP.'
),
cfg.IntOpt(
'api_workers',
help='Number of workers for Qinling API service '
'default is equal to the number of CPUs available if that can '
'be determined, else a default worker count of 1 is returned.'
)
]
PECAN_GROUP = 'pecan'
pecan_opts = [
cfg.StrOpt(
'root',
default='qinling.api.controllers.root.RootController',
help='Pecan root controller'
),
cfg.ListOpt(
'modules',
default=["qinling.api"],
help='A list of modules where pecan will search for applications.'
),
cfg.BoolOpt(
'debug',
default=False,
help='Enables the ability to display tracebacks in the browser and'
' interactively debug during development.'
),
cfg.BoolOpt(
'auth_enable',
default=True,
help='Enables user authentication in pecan.'
)
]
ENGINE_GROUP = 'engine'
engine_opts = [
cfg.StrOpt(
'host',
default='0.0.0.0',
help='Name of the engine node. This can be an opaque '
'identifier. It is not necessarily a hostname, '
'FQDN, or IP address.'
),
cfg.StrOpt(
'topic',
default='qinling_engine',
help='The message topic that the engine listens on.'
),
cfg.StrOpt(
'orchestrator',
default='kubernetes',
choices=['kubernetes', 'swarm'],
help='The container orchestrator.'
),
cfg.IntOpt(
'function_service_expiration',
default=300,
help='Maximum service time in seconds for function in orchestrator.'
)
]
STORAGE_GROUP = 'storage'
storage_opts = [
cfg.StrOpt(
'file_system_dir',
help='Directory to store function packages.'
),
cfg.StrOpt(
'provider',
default='local',
choices=['local', 'swift'],
help='Storage provider for function code package.'
),
]
KUBERNETES_GROUP = 'kubernetes'
kubernetes_opts = [
cfg.StrOpt(
'namespace',
default='qinling',
help='Resources scope created by Qinling.'
),
cfg.IntOpt(
'replicas',
default=3,
help='Number of desired replicas in deployment.'
),
cfg.StrOpt(
'kube_host',
default='127.0.0.1:8001',
help='Kubernetes server address, e.g. you can start a proxy to the '
'Kubernetes API server by using "kubectl proxy" command.'
),
cfg.IPOpt(
'qinling_service_address',
default='127.0.0.1',
help='Qinling API service ip address.'
),
]
def list_opts():
keystone_middleware_opts = auth_token.list_opts()
keystone_loading_opts = [(
'keystone_authtoken', loading.get_auth_plugin_conf_options('password')
)]
qinling_opts = [
(API_GROUP, api_opts),
(PECAN_GROUP, pecan_opts),
(ENGINE_GROUP, engine_opts),
(STORAGE_GROUP, storage_opts),
(KUBERNETES_GROUP, kubernetes_opts),
(None, [launch_opt])
]
return keystone_middleware_opts + keystone_loading_opts + qinling_opts
_DEFAULT_LOG_LEVELS = [
'eventlet.wsgi.server=WARN',
'oslo_service.periodic_task=INFO',
'oslo_service.loopingcall=INFO',
'oslo_db=WARN',
'oslo_concurrency.lockutils=WARN',
'kubernetes.client.rest=DEBUG',
'keystoneclient=INFO',
'requests.packages.urllib3.connectionpool=CRITICAL',
'urllib3.connectionpool=CRITICAL'
]
def parse_args(args=None, usage=None, default_config_files=None):
default_log_levels = log.get_default_log_levels()
default_log_levels.extend(_DEFAULT_LOG_LEVELS)
log.set_defaults(default_log_levels=default_log_levels)
log.register_options(CONF)
CLI_OPTS = [launch_opt]
CONF.register_cli_opts(CLI_OPTS)
for group, options in list_opts():
CONF.register_opts(list(options), group)
CONF(
args=args,
project='qinling',
version=version,
usage=usage,
default_config_files=default_config_files
)