RETIRED, Function as a Service for OpenStack
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# 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_concurrency import processutils
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.'
)
default_opts = [
cfg.StrOpt(
'qinling_endpoint',
help='Qinling service endpoint.'
),
]
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',
default=processutils.get_worker_count(),
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.'
),
cfg.BoolOpt(
'enable_job_handler',
default=True,
help='Enable job handler.'
),
]
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=3600,
help='Maximum service time in seconds for function in orchestrator.'
),
cfg.IntOpt(
'function_concurrency',
default=3,
help='Maximum number of concurrent executions per function.'
),
cfg.StrOpt(
'sidecar_image',
default='openstackqinling/sidecar:0.0.2',
help='The sidecar image being used together with the worker.'
),
]
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='http://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.BoolOpt(
'use_api_certificate',
default=True,
help='Whether to use client certificates to connect to the '
'Kubernetes API server.'
),
cfg.StrOpt(
'ssl_ca_cert',
default='/etc/qinling/pki/kubernetes/ca.crt',
help='Path to the CA certificate for qinling to use to connect to '
'the Kubernetes API server.'
),
cfg.StrOpt(
'cert_file',
default='/etc/qinling/pki/kubernetes/qinling.crt',
help='Path to the client certificate for qinling to use to '
'connect to the Kubernetes API server.'
),
cfg.StrOpt(
'key_file',
default='/etc/qinling/pki/kubernetes/qinling.key',
help='Path to the client certificate key file for qinling to use to '
'connect to the Kubernetes API server.'
),
cfg.StrOpt(
'log_devel',
default='INFO',
choices=['DEBUG', 'INFO', 'WARNING', 'ERROR'],
help='Log level for kubernetes operations.'
),
cfg.ListOpt(
'trusted_cidrs',
item_type=cfg.types.String(),
default=[],
help='List of CIDR that have access to the services in '
'Kubernetes, e.g. trusted_cidrs=127.0.0.1/32,198.72.124.109/32. '
'If it is empty list, the default value is the host IP address '
'that the qinling-engine service is running on.'
)
]
ETCD_GROUP = 'etcd'
etcd_opts = [
cfg.StrOpt(
'host',
default='127.0.0.1',
help='Etcd service host address.'
),
cfg.PortOpt(
'port',
default=2379,
help='Etcd service port.'
),
cfg.StrOpt(
'protocol',
default='https',
choices=['http', 'https'],
help='Etcd connection protocol.'
),
cfg.StrOpt(
'ca_cert',
default='/etc/qinling/pki/etcd/ca.crt',
help='Path to CA certificate file to use to securely '
'connect to etcd server.'
),
cfg.StrOpt(
'cert_file',
default='/etc/qinling/pki/etcd/qinling-etcd-client.crt',
help='Path to client certificate file to use to securely '
'connect to etcd server.'
),
cfg.StrOpt(
'cert_key',
default='/etc/qinling/pki/etcd/qinling-etcd-client.key',
help='Path to client certificate key file to use to securely '
'connect to etcd server.'
),
]
RLIMITS_GROUP = 'resource_limits'
rlimits_opts = [
cfg.IntOpt(
'default_cpu',
default=100,
help='Default cpu resource(unit: millicpu).'
),
cfg.IntOpt(
'min_cpu',
default=100,
help='Minimum cpu resource(unit: millicpu).'
),
cfg.IntOpt(
'max_cpu',
default=300,
help='Maximum cpu resource(unit: millicpu).'
),
cfg.IntOpt(
'default_memory',
default=33554432,
help='Default memory resource(unit: bytes).'
),
cfg.IntOpt(
'min_memory',
default=33554432,
help='Minimum memory resource(unit: bytes).'
),
cfg.IntOpt(
'max_memory',
default=134217728,
help='Maximum memory resource(unit: bytes).'
),
cfg.IntOpt(
'default_timeout',
default=5,
help='Default function execution timeout(unit: seconds)'
),
cfg.IntOpt(
'min_timeout',
default=1,
help='Minimum function execution timeout(unit: seconds).'
),
cfg.IntOpt(
'max_timeout',
default=300,
help='Maximum function execution timeout(unit: seconds).'
),
]
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),
(ETCD_GROUP, etcd_opts),
(RLIMITS_GROUP, rlimits_opts),
(None, [launch_opt]),
(None, default_opts),
]
return keystone_middleware_opts + keystone_loading_opts + qinling_opts
def parse_args(args=None, usage=None, default_config_files=None):
CLI_OPTS = [launch_opt]
CONF.register_cli_opts(CLI_OPTS)
for group, options in list_opts():
CONF.register_opts(list(options), group)
_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=%s' % CONF.kubernetes.log_devel,
'keystoneclient=INFO',
'requests.packages.urllib3.connectionpool=CRITICAL',
'urllib3.connectionpool=CRITICAL',
'cotyledon=INFO',
'futurist.periodics=WARN'
]
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)
CONF(
args=args,
project='qinling',
version=version,
usage=usage,
default_config_files=default_config_files
)