Merge "Added support for oslo.config"

etc/os-config-generator/valence.conf

@@ -0,0 +1,3 @@
+[DEFAULT]
+output_file = etc/valence/valence.conf.sample
+namespace = valence.conf

etc/valence/valence.conf.sample

@@ -1,30 +1,97 @@
 [DEFAULT]
-#LOG Levels - debug, info, warning, error, critical
-log_level= debug
 
-#Server log settings
-debug=False
 
-# Log to this file. Make sure the user running rsc has
-# permissions to write to this file!
-log_file=/var/log/valence/valence.log
+[api]
 
-#address and port the server binds too
-bind_host = 0.0.0.0
-bind_port = 8181
+#
+# From valence.conf
+#
 
-#Server request timeout
-timeout=1000
+# The port for the valence API server. (port value)
+# Minimum value: 0
+# Maximum value: 65535
+#bind_port = 8181
+
+# The listen IP for the valence API server. (IP address value)
+#bind_host = 127.0.0.1
+
+# Enable the integrated stand-alone API to service requests via HTTPS
+# instead of HTTP. If there is a front-end service performing HTTPS
+# offloading from the service, this option should be False; note, you
+# will want to change public API endpoint to represent SSL termination
+# URL with 'public_endpoint' option. (boolean value)
+#enable_ssl_api = false
+
+# Number of workers for valence-api service. The default will be the
+# number of CPUs available. (integer value)
+#workers = 4
+
+# The maximum timeout to wait for valence API server to come up.
+# (integer value)
+#timeout = 1000
+
+# The maximum number of items returned in a single response from a
+# collection resource. (integer value)
+#max_limit = 1000
+
+# Configuration file for WSGI definition of API. (string value)
+#api_paste_config = api-paste.ini
+
+# Enable debug mode for valence-api service. (boolean value)
+#debug = false
+
+# The log file location for valence-api service (string value)
+#log_file = /var/log/valence/valence.log
+
+# The granularity of Error log outputs. (string value)
+#log_level = debug
+
+# The log format. (string value)
+#log_format = %(asctime)s %(name)-4s %(levelname)-4s %(message)s
+
+
+[etcd]
+
+#
+# From valence.conf
+#
+
+# The port for the etcd server. (port value)
+# Minimum value: 0
+# Maximum value: 65535
+#port = 2379
+
+# The listen IP for the etcd server. (IP address value)
+#host = 127.0.0.1
 
-#Server workers
-workers=4
 
 [podm]
-url=https://<ip address>:<port>
-user=<podm user>
-password=<podm admin>
-redfish_base_ext=/redfish/v1/
 
-[database_etcd]
-host = localhost
-port = 2379
+#
+# From valence.conf
+#
+
+# The URL of Redfish API server. (e.g.: http(s)://<IP>:<PORT>/).
+# Required. (string value)
+#url = <None>
+
+# User account with admin/server-profile access privilege. Although
+# this property is not mandatory it's highly recommended to set a
+# username. Optional. (string value)
+#username = <None>
+
+# User account password. Although this property is not mandatory, it's
+# highly recommended to set a password. Optional. (string value)
+#password = <None>
+
+# Either a boolean value, a path to a CA_BUNDLE file or directory with
+# certificates of trusted CAs. If set to True the driver will verify
+# the host certificates; if False the driver will ignore verifying the
+# SSL certificate; If it's a path the driver will use the specified
+# certificate or one of the certificates in the directory. Defaults to
+# True. Optional. (boolean value)
+#verify_ca = <None>
+
+# The URL extension that specifies the Redfish API version that
+# valence will interact with (string value)
+#base_ext = /redfish/v1/

install_valence.sh

@@ -35,7 +35,17 @@ if [ ! -d "/etc/valence" ]; then
     mkdir /etc/valence
 fi
 chown "$CURR_USER":"$CURR_USER" /etc/valence
+VALENCE_CONF=/etc/valence/valence.conf
 cp etc/valence/valence.conf.sample /etc/valence/valence.conf
+sudo sed -i "s/#debug\s*=.*/debug=true/" $VALENCE_CONF
+sudo sed -i "s/#log_level\s*=.*/log_level=debug/" $VALENCE_CONF
+sudo sed -i "s/#log_file\s*=.*/log_file=/var/log/valence/valence.log/" $VALENCE_CONF
+sudo sed -i "s/#bind_host\s*=.*/bind_host=0.0.0.0/" $VALENCE_CONF
+sudo sed -i "s/#bind_port\s*=.*/bind_port=8181/" $VALENCE_CONF
+sudo sed -i "s/#timeout\s*=.*/timeout=1000/" $VALENCE_CONF
+sudo sed -i "s/#workers\s*=.*/workers=4/" $VALENCE_CONF
+sudo sed -i "s/#host\s*=.*/host=localhost/" $VALENCE_CONF
+sudo sed -i "s/#port\s*=.*/port=2379/" $VALENCE_CONF
 
 # create log directory for valence if it doesn't exist
 if [ ! -d "/var/log/valence" ]; then

requirements.txt

@@ -15,3 +15,5 @@ six==1.10.0
 gunicorn==19.6.0
 python-etcd>=0.4.3 # MIT License
 oslo.utils>=3.20.0 # Apache-2.0
+oslo.config>=3.22.0 # Apache-2.0
+oslo.i18n>=2.1.0 # Apache-2.0

setup.cfg

@@ -58,3 +58,7 @@ source-dir = releasenotes/source
 console_scripts =
     valence = valence.cmd.api:main
     valence-db-manager = valence.cmd.db_manager:main
+
+oslo.config.opts =
+    valence = valence.opts:list_opts
+    valence.conf = valence.conf.opts:list_opts

tox.ini

@@ -72,3 +72,7 @@ show-source = True
 builtins = _
 exclude=.venv,.git,.tox,dist,doc,*lib/python*,*egg,build,node_modules
 import-order-style = pep8
+
+[testenv:genconfig]
+commands =
+  oslo-config-generator --config-file etc/os-config-generator/valence.conf --output-file etc/valence/valence.conf.sample

valence/api/app.py

@@ -17,27 +17,38 @@ import os.path
 
 import flask
 
-import valence.config as cfg
+from valence.common import config
+import valence.conf
 
+CONF = valence.conf.CONF
+PROJECT_NAME = 'valence'
 _app = None
 
+log_level_map = {'debug': logging.DEBUG,
+                 'info': logging.INFO,
+                 'warning': logging.WARNING,
+                 'error': logging.ERROR,
+                 'critical': logging.CRITICAL,
+                 'notset': logging.NOTSET}
+
 
 def setup_app():
     """Return Flask application"""
-    app = flask.Flask(cfg.PROJECT_NAME)
+    config.parse_args(prog=PROJECT_NAME)
+    app = flask.Flask(PROJECT_NAME)
     app.url_map.strict_slashes = False
     TEN_KB = 10 * 1024
 
     # Configure logging
-    if os.path.isfile(cfg.log_file) and os.access(cfg.log_file,
-                                                  os.W_OK):
+    if os.path.isfile(CONF.api.log_file) and os.access(CONF.api.log_file,
+                                                       os.W_OK):
         handler = logging.handlers.RotatingFileHandler(
-            cfg.log_file, maxBytes=TEN_KB, backupCount=1)
-        handler.setLevel(cfg.log_level)
-        formatter = logging.Formatter(cfg.log_format)
+            CONF.api.log_file, maxBytes=TEN_KB, backupCount=1)
+        handler.setLevel(log_level_map.get(CONF.api.log_level))
+        formatter = logging.Formatter(CONF.api.log_format)
         handler.setFormatter(formatter)
         app.logger.addHandler(handler)
-    app.logger.setLevel(cfg.log_level)
+    app.logger.setLevel(log_level_map.get(CONF.api.log_level))
 
     @app.before_request
     def before_request_logging():

valence/cmd/api.py

@@ -19,8 +19,9 @@ import gunicorn.app.base
 from gunicorn.six import iteritems
 
 from valence.api.route import app as application
-from valence import config as cfg
+import valence.conf
 
+CONF = valence.conf.CONF
 
 LOG = logging.getLogger(__name__)
 
@@ -44,13 +45,13 @@ class StandaloneApplication(gunicorn.app.base.BaseApplication):
 
 def main():
     options = {
-        'bind': '%s:%s' % (cfg.bind_host, cfg.bind_port),
-        'reload': cfg.debug,
-        'timeout': cfg.timeout,
-        'workers': cfg.workers
+        'bind': '%s:%s' % (CONF.api.bind_host, CONF.api.bind_port),
+        'reload': CONF.api.debug,
+        'timeout': CONF.api.timeout,
+        'workers': CONF.api.workers
     }
     LOG.info(("Valence Server on http://%(host)s:%(port)s"),
-             {'host': cfg.bind_host, 'port': cfg.bind_port})
+             {'host': CONF.api.bind_host, 'port': CONF.api.bind_port})
     StandaloneApplication(application, options).run()
 
 

valence/common/config.py

@@ -0,0 +1,28 @@
+# Copyright (c) 2017 Intel, Inc.
+#
+#    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 oslo_config import cfg
+
+from valence import version
+
+CONF = cfg.CONF
+
+
+def parse_args(args=None, prog=None):
+    CONF(
+        args=args,
+        project='valence',
+        prog=prog,
+        version=version.version_info.version_string(),
+    )

valence/common/i18n.py

@@ -0,0 +1,25 @@
+# Copyright (c) 2017 Intel, Inc.
+#
+# 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.
+
+# It's based on oslo.i18n usage in OpenStack Keystone project and
+# recommendations from http://docs.openstack.org/developer/oslo.i18n/usage.html
+
+import oslo_i18n
+
+
+_translators = oslo_i18n.TranslatorFactory(domain='valence')
+
+# The primary translation function using the well-known name "_"
+_ = _translators.primary

valence/conf/__init__.py

@@ -0,0 +1,25 @@
+# Copyright (c) 2017 Intel, Inc.
+#
+#    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 oslo_config import cfg
+
+from valence.conf import api
+from valence.conf import etcd
+from valence.conf import podm
+
+CONF = cfg.CONF
+
+api.register_opts(CONF)
+etcd.register_opts(CONF)
+podm.register_opts(CONF)

valence/conf/api.py

@@ -0,0 +1,81 @@
+# Copyright (c) 2017 Intel, Inc.
+#
+#    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 oslo_config import cfg
+
+from valence.common.i18n import _
+
+api_service_opts = [
+    cfg.PortOpt('bind_port',
+                default=8181,
+                help=_('The port for the valence API server.')),
+    cfg.IPOpt('bind_host',
+              default='127.0.0.1',
+              help=_('The listen IP for the valence API server.')),
+    cfg.BoolOpt('enable_ssl_api',
+                default=False,
+                help=_("Enable the integrated stand-alone API to service "
+                       "requests via HTTPS instead of HTTP. If there is a "
+                       "front-end service performing HTTPS offloading from "
+                       "the service, this option should be False; note, you "
+                       "will want to change public API endpoint to represent "
+                       "SSL termination URL with 'public_endpoint' option.")),
+    cfg.IntOpt('workers',
+               default=4,
+               help=_('Number of workers for valence-api service. '
+                      'The default will be the number of CPUs available.')),
+    cfg.IntOpt('timeout',
+               default=1000,
+               help=_('The maximum timeout to wait for valence API server '
+                      'to come up.')),
+    cfg.IntOpt('max_limit',
+               default=1000,
+               help=_('The maximum number of items returned in a single '
+                      'response from a collection resource.')),
+    cfg.StrOpt('api_paste_config',
+               default='api-paste.ini',
+               help=_('Configuration file for WSGI definition of API.')),
+    cfg.BoolOpt('debug',
+                default=False,
+                help=_('Enable debug mode for valence-api service.'))
+]
+
+log_option = [
+    cfg.StrOpt('log_file',
+               default='/var/log/valence/valence.log',
+               help=_('The log file location for valence-api service')),
+    cfg.StrOpt('log_level',
+               default='debug',
+               help=_('The granularity of Error log outputs.')),
+    cfg.StrOpt('log_format',
+               default='%(asctime)s %(name)-4s %(levelname)-4s %(message)s',
+               help=_('The log format.')),
+]
+
+api_group = cfg.OptGroup(name='api',
+                         title='Options for the valence-api service')
+
+
+ALL_OPTS = (api_service_opts + log_option)
+
+
+def register_opts(conf):
+    conf.register_group(api_group)
+    conf.register_opts(ALL_OPTS, api_group)
+
+
+def list_opts():
+    return {
+        api_group: ALL_OPTS
+    }

valence/conf/etcd.py

@@ -0,0 +1,43 @@
+# Copyright (c) 2017 Intel, Inc.
+#
+#    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 oslo_config import cfg
+
+from valence.common.i18n import _
+
+etcd_service_opts = [
+    cfg.PortOpt('port',
+                default=2379,
+                help=_('The port for the etcd server.')),
+    cfg.IPOpt('host',
+              default='127.0.0.1',
+              help=_('The listen IP for the etcd server.')),
+]
+
+etcd_group = cfg.OptGroup(name='etcd',
+                          title='Options for the etcd service')
+
+
+ALL_OPTS = (etcd_service_opts)
+
+
+def register_opts(conf):
+    conf.register_group(etcd_group)
+    conf.register_opts(ALL_OPTS, etcd_group)
+
+
+def list_opts():
+    return {
+        etcd_group: ALL_OPTS
+    }

valence/conf/opts.py

@@ -0,0 +1,78 @@
+# Copyright (c) 2017 Intel, Inc.
+#
+#    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.
+
+"""
+This is the single point of entry to generate the sample configuration
+file for Zun. It collects all the necessary info from the other modules
+in this package. It is assumed that:
+
+* every other module in this package has a 'list_opts' function which
+  return a dict where
+  * the keys are strings which are the group names
+  * the value of each key is a list of config options for that group
+* the valence.conf package doesn't have further packages with config options
+* this module is only used in the context of sample file generation
+"""
+
+import collections
+import importlib
+import os
+import pkgutil
+
+LIST_OPTS_FUNC_NAME = "list_opts"
+
+
+def _tupleize(dct):
+    """Take the dict of options and convert to the 2-tuple format."""
+    return [(key, val) for key, val in dct.items()]
+
+
+def list_opts():
+    opts = collections.defaultdict(list)
+    module_names = _list_module_names()
+    imported_modules = _import_modules(module_names)
+    _append_config_options(imported_modules, opts)
+    return _tupleize(opts)
+
+
+def _list_module_names():
+    module_names = []
+    package_path = os.path.dirname(os.path.abspath(__file__))
+    for _, modname, ispkg in pkgutil.iter_modules(path=[package_path]):
+        if modname == "opts" or ispkg:
+            continue
+        else:
+            module_names.append(modname)
+    return module_names
+
+
+def _import_modules(module_names):
+    imported_modules = []
+    for modname in module_names:
+        mod = importlib.import_module("valence.conf." + modname)
+        if not hasattr(mod, LIST_OPTS_FUNC_NAME):
+            msg = "The module 'valence.conf.%s' should have a '%s' "\
+                  "function which returns the config options." % \
+                  (modname, LIST_OPTS_FUNC_NAME)
+            raise AttributeError(msg)
+        else:
+            imported_modules.append(mod)
+    return imported_modules
+
+
+def _append_config_options(imported_modules, config_options):
+    for mod in imported_modules:
+        configs = mod.list_opts()
+        for key, val in configs.items():
+            config_options[key].extend(val)

valence/conf/podm.py

@@ -0,0 +1,63 @@
+# Copyright (c) 2017 Intel, Inc.
+#
+#    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 oslo_config import cfg
+
+from valence.common.i18n import _
+
+podm_opts = [
+    cfg.StrOpt('url',
+               help=_('The URL of Redfish API server. (e.g.: '
+                      'http(s)://<IP>:<PORT>/). Required.')),
+    cfg.StrOpt('username',
+               help=_('User account with admin/server-profile access '
+                      'privilege. Although this property is not '
+                      'mandatory it\'s highly recommended to set a '
+                      'username. Optional.')),
+    cfg.StrOpt('password',
+               help=_('User account password. Although this property is '
+                      'not mandatory, it\'s highly recommended to set a '
+                      'password. Optional.')),
+    cfg.BoolOpt('verify_ca',
+                help=_('Either a boolean value, a path to a CA_BUNDLE '
+                       'file or directory with certificates of trusted '
+                       'CAs. If set to True the driver will verify the '
+                       'host certificates; if False the driver will '
+                       'ignore verifying the SSL certificate; If it\'s '
+                       'a path the driver will use the specified '
+                       'certificate or one of the certificates in the '
+                       'directory. Defaults to True. Optional.')),
+    cfg.StrOpt('base_ext',
+               default='/redfish/v1/',
+               help=_('The URL extension that specifies the '
+                      'Redfish API version that valence will interact with')),
+]
+
+
+podm_group = cfg.OptGroup(name='podm',
+                          title='Options for the Refish API service')
+
+
+ALL_OPTS = (podm_opts)
+
+
+def register_opts(conf):
+    conf.register_group(podm_group)
+    conf.register_opts(ALL_OPTS, podm_group)
+
+
+def list_opts():
+    return {
+        podm_group: ALL_OPTS
+    }

valence/config.py

@@ -1,78 +0,0 @@
-# Copyright 2016 Intel Corporation
-#
-# 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.
-
-"""This Module reads the configuration from .conf file
-   and set default values if the expected values are not set
-
-"""
-
-
-import logging
-
-from six.moves import configparser
-
-
-def get_option(section, key, default, value_type=str):
-    """Function to support default values
-
-    Though config fallback feature could be used
-    Py 2.7 doesnt support it
-
-    """
-    option_value = config.get(
-        section, key) if config.has_option(
-        section, key) else default
-    if value_type == bool:
-        return False if str(option_value).lower() == 'false' else True
-    else:
-        return value_type(option_value)
-
-PROJECT_NAME = 'valence'
-
-config_file = "/etc/%s/%s.conf" % (PROJECT_NAME, PROJECT_NAME)
-config = configparser.ConfigParser()
-config.read(config_file)
-
-# Log settings
-log_level_map = {'debug': logging.DEBUG,
-                 'info': logging.INFO,
-                 'warning': logging.WARNING,
-                 'error': logging.ERROR,
-                 'critical': logging.CRITICAL,
-                 'notset': logging.NOTSET}
-
-log_default_loc = "/var/log/%s/%s.log" % (PROJECT_NAME, PROJECT_NAME)
-log_default_format = "%(asctime)s %(name)-4s %(levelname)-4s %(message)s"
-log_level_name = get_option("DEFAULT", "log_level", 'error')
-
-log_file = get_option("DEFAULT", "log_file", log_default_loc)
-log_level = log_level_map.get(log_level_name.lower())
-log_format = get_option("DEFAULT", "log_format", log_default_format)
-
-# Server Settings
-bind_port = get_option("DEFAULT", "bind_port", 8181, int)
-bind_host = get_option("DEFAULT", "bind_host", "0.0.0.0")
-debug = get_option("DEFAULT", "debug", False, bool)
-timeout = get_option("DEFAULT", "timeout", 1000, int)
-workers = get_option("DEFAULT", "workers", 4, int)
-
-# PODM Settings
-podm_url = get_option("podm", "url", "http://127.0.0.1")
-podm_user = get_option("podm", "user", "admin")
-podm_password = get_option("podm", "password", "admin")
-redfish_base_ext = get_option("podm", "redfish_base_ext", "/redfish/v1/")
-
-# Database etcd Settings
-etcd_host = get_option("database_etcd", "host", "localhost")
-etcd_port = get_option("database_etcd", "port", 2379, int)

valence/db/etcd_db.py

@@ -14,17 +14,19 @@
 
 import etcd
 
-from valence import config
+import valence.conf
 from valence.db import models
 
 
+CONF = valence.conf.CONF
+
 etcd_directories = [
     models.PodManager.path,
     models.Flavor.path,
     models.ComposedNode.path
 ]
 
-etcd_client = etcd.Client(config.etcd_host, config.etcd_port)
+etcd_client = etcd.Client(CONF.etcd.host, CONF.etcd.port)
 
 
 def init_etcd_db():

valence/db/etcd_driver.py

@@ -21,15 +21,17 @@ from oslo_utils import uuidutils
 import six
 
 from valence.common import singleton
-from valence import config
+import valence.conf
 from valence.db import models
 
 
+CONF = valence.conf.CONF
+
 LOG = logging.getLogger(__name__)
 
 
 def get_driver():
-    return EtcdDriver(config.etcd_host, config.etcd_port)
+    return EtcdDriver(CONF.etcd.host, CONF.etcd.port)
 
 
 def translate_to_models(etcd_resp, model_type):
@@ -53,7 +55,7 @@ def translate_to_models(etcd_resp, model_type):
 class EtcdDriver(object):
     """etcd Driver."""
 
-    def __init__(self, host=config.etcd_host, port=config.etcd_port):
+    def __init__(self, host=CONF.etcd.host, port=CONF.etcd.port):
         self.client = etcd.Client(host=host, port=port)
 
     def create_podmanager(self, values):

valence/redfish/redfish.py

@@ -26,23 +26,24 @@ from valence.api import link
 from valence.common import constants
 from valence.common import exception
 from valence.common import utils
-from valence import config as cfg
+import valence.conf
 from valence.redfish import tree
 
 
+CONF = valence.conf.CONF
 LOG = logging.getLogger(__name__)
 SERVICE_ROOT = None
 
 
 def update_service_root():
     global SERVICE_ROOT
-    resp = send_request(cfg.redfish_base_ext)
+    resp = send_request(CONF.podm.base_ext)
     SERVICE_ROOT = resp.json()
 
 
 def get_rfs_url(serviceext):
     # Strip slash to make sure all input with/without slash
-    redfish_base_ext = cfg.redfish_base_ext.strip("/")
+    redfish_base_ext = CONF.podm.base_ext.strip("/")
     serviceext = serviceext.strip("/")
 
     # Check whether serviceext statswith redfish_base_ext "redfish/v1", if yes,
@@ -52,7 +53,7 @@ def get_rfs_url(serviceext):
     else:
         relative_url = os.path.normpath(
             "/".join([redfish_base_ext, serviceext]))
-    return requests.compat.urljoin(cfg.podm_url, relative_url)
+    return requests.compat.urljoin(CONF.podm.url, relative_url)
 
 
 def get_base_resource_url(resource, update_services=False):
@@ -66,8 +67,8 @@ def get_base_resource_url(resource, update_services=False):
 def send_request(resource, method="GET", **kwargs):
     # The verify=false param in the request should be removed eventually
     url = get_rfs_url(resource)
-    httpuser = cfg.podm_user
-    httppwd = cfg.podm_password
+    httpuser = CONF.podm.username
+    httppwd = CONF.podm.password
     resp = None
     LOG.debug(url)
     try:
@@ -474,7 +475,7 @@ def compose_node(request_body):
 
     # Allocated node successfully
     # node_url -- relative redfish url e.g redfish/v1/Nodes/1
-    node_url = allocate_resp.headers['Location'].lstrip(cfg.podm_url)
+    node_url = allocate_resp.headers['Location'].lstrip(CONF.podm.url)
     # node_index -- numeric index of new node e.g 1
     node_index = node_url.split('/')[-1]
     LOG.debug('Successfully allocated node:' + node_url)

valence/tests/__init__.py

@@ -1,9 +0,0 @@
-from unittest import TestCase
-
-from valence.api.route import app
-
-
-class FunctionalTest(TestCase):
-
-    def setUp(self):
-        self.app = app.test_client()

valence/tests/functional/__init__.py

@@ -0,0 +1,9 @@
+from unittest import TestCase
+
+from valence.api.route import app
+
+
+class FunctionalTest(TestCase):
+
+    def setUp(self):
+        self.app = app.test_client()

valence/tests/unit/api/test_app.py

@@ -17,16 +17,24 @@ import mock
 
 from valence.api import app
 
+import valence.conf
+
+CONF = valence.conf.CONF
+
 
 class TestApp(unittest.TestCase):
 
-    @mock.patch('valence.config.PROJECT_NAME')
+    @mock.patch('valence.common.config.parse_args')
+    @mock.patch('valence.api.app.PROJECT_NAME')
     @mock.patch('valence.api.app.flask.Flask')
-    def test_setup_app_success(self, mock_Flask, mock_PROJECT_NAME):
+    def test_setup_app_success(self, mock_Flask, mock_PROJECT_NAME,
+                               mock_parse_arg):
+        CONF.set_override('log_level', 'debug', group='api')
         self.app = app.setup_app()
         mock_Flask.assert_called_with(mock_PROJECT_NAME)
+        mock_parse_arg.assert_called_once_with(prog=mock_PROJECT_NAME)
         self.assertFalse(self.app.url_map.strict_slashes)
-        self.app.logger.setLevel.assert_called_with(app.cfg.log_level)
+        self.assertTrue(self.app.logger.setLevel.called)
 
     @mock.patch('valence.api.app.setup_app')
     def test_get_app_success(self, mock_setup_app):

valence/tests/unit/api/test_route.py

@@ -12,18 +12,23 @@
 
 import unittest
 
+import mock
+
+from valence.common import config
+config.parse_args = mock.Mock()
+
 from valence.api import route
 
 
 class TestRoute(unittest.TestCase):
 
     def setUp(self):
-        self.app = route.app
+        self.app = route.app.test_client()
         self.api = route.api
 
     def test_app(self):
         self.assertNotEqual(self.app, None)
-        self.assertEqual(self.app.__class__.__name__, 'Flask')
+        self.assertEqual(self.app.__class__.__name__, 'FlaskClient')
 
     def test_api(self):
         self.assertNotEqual(self.api, None)

valence/tests/unit/conf/test_conf.py

@@ -0,0 +1,72 @@
+# Copyright (c) 2017 Intel, Inc.
+#
+# 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.
+
+import collections
+import unittest
+
+import mock
+
+from oslo_config import cfg
+import six
+
+from valence.conf import opts
+
+
+class ConfTestCase(unittest.TestCase):
+
+    def test_list_opts(self):
+        for group, opt_list in opts.list_opts():
+            if isinstance(group, six.string_types):
+                self.assertEqual('DEFAULT', group)
+            else:
+                self.assertIsInstance(group, cfg.OptGroup)
+            for opt in opt_list:
+                self.assertIsInstance(opt, cfg.Opt)
+
+    def test_list_module_name_invalid_mods(self):
+        with mock.patch('pkgutil.iter_modules') as mock_mods:
+            mock_mods.return_value = [(None, 'foo', True),
+                                      (None, 'opts', False)]
+            self.assertEqual([], opts._list_module_names())
+
+    def test_list_module_name_valid_mods(self):
+        with mock.patch('pkgutil.iter_modules') as mock_mods:
+            mock_mods.return_value = [(None, 'foo', False)]
+            self.assertEqual(['foo'], opts._list_module_names())
+
+    def test_import_mods_no_func(self):
+        modules = ['foo', 'bar']
+        with mock.patch('importlib.import_module') as mock_import:
+            mock_import.return_value = mock.sentinel.mods
+            self.assertRaises(AttributeError, opts._import_modules, modules)
+            mock_import.assert_called_once_with('valence.conf.foo')
+
+    def test_import_mods_valid_func(self):
+        modules = ['foo', 'bar']
+        with mock.patch('importlib.import_module') as mock_import:
+            mock_mod = mock.MagicMock()
+            mock_import.return_value = mock_mod
+            self.assertEqual([mock_mod, mock_mod],
+                             opts._import_modules(modules))
+            mock_import.assert_has_calls([mock.call('valence.conf.foo'),
+                                          mock.call('valence.conf.bar')])
+
+    def test_append_config(self):
+        opt = collections.defaultdict(list)
+        mock_module = mock.MagicMock()
+        mock_conf = mock.MagicMock()
+        mock_module.list_opts.return_value = mock_conf
+        mock_conf.items.return_value = [('foo', 'bar')]
+        opts._append_config_options([mock_module], opt)
+        self.assertEqual({'foo': ['b', 'a', 'r']}, opt)

valence/tests/unit/redfish/test_redfish.py

@@ -21,16 +21,18 @@ from six.moves import http_client
 
 from valence.common import constants
 from valence.common import exception
-from valence import config as cfg
+import valence.conf
 from valence.redfish import redfish
 from valence.tests.unit.fakes import redfish_fakes as fakes
 
+CONF = valence.conf.CONF
+
 
 class TestRedfish(TestCase):
 
     def test_get_rfs_url(self):
-        cfg.podm_url = "https://127.0.0.1:8443"
-        expected = urljoin(cfg.podm_url, "redfish/v1/Systems/1")
+        CONF.podm.url = "https://127.0.0.1:8443"
+        expected = urljoin(CONF.podm.url, "redfish/v1/Systems/1")
 
         # test without service_ext
         result = redfish.get_rfs_url("/Systems/1/")
@@ -59,8 +61,8 @@ class TestRedfish(TestCase):
         self.assertEqual(expected, result)
 
     def test_get_rfs_url_with_tailing_slash(self):
-        cfg.podm_url = "https://127.0.0.1:8443/"
-        expected = urljoin(cfg.podm_url, "redfish/v1/Systems/1")
+        CONF.podm.url = "https://127.0.0.1:8443/"
+        expected = urljoin(CONF.podm.url, "redfish/v1/Systems/1")
 
         # test without service_ext
         result = redfish.get_rfs_url("/Systems/1/")
@@ -346,6 +348,7 @@ class TestRedfish(TestCase):
     def test_assemble_node_failed(self, mock_request, mock_get_url,
                                   mock_delete_node):
         """Test allocate resource conflict when compose node"""
+        CONF.set_override('url', 'http://localhost:8442/', group='podm')
         mock_get_url.return_value = '/redfish/v1/Nodes'
 
         # Fake response for getting nodes root
@@ -355,7 +358,7 @@ class TestRedfish(TestCase):
         fake_node_allocation_conflict = mock.MagicMock()
         fake_node_allocation_conflict.status_code = http_client.CREATED
         fake_node_allocation_conflict.headers['Location'] = \
-            os.path.normpath("/".join([cfg.podm_url, 'redfish/v1/Nodes/1']))
+            os.path.normpath("/".join([CONF.podm.url, 'redfish/v1/Nodes/1']))
 
         # Fake response for getting url of node assembling
         fake_node_detail = fakes.mock_request_get(fakes.fake_node_detail(),
@@ -381,6 +384,7 @@ class TestRedfish(TestCase):
     def test_assemble_node_success(self, mock_request, mock_get_url,
                                    mock_delete_node, mock_get_node_by_id):
         """Test compose node successfully"""
+        CONF.set_override('url', 'http://localhost:8442/', group='podm')
         mock_get_url.return_value = '/redfish/v1/Nodes'
 
         # Fake response for getting nodes root
@@ -390,7 +394,7 @@ class TestRedfish(TestCase):
         fake_node_allocation_conflict = mock.MagicMock()
         fake_node_allocation_conflict.status_code = http_client.CREATED
         fake_node_allocation_conflict.headers['Location'] = \
-            os.path.normpath("/".join([cfg.podm_url, 'redfish/v1/Nodes/1']))
+            os.path.normpath("/".join([CONF.podm.url, 'redfish/v1/Nodes/1']))
 
         # Fake response for getting url of node assembling
         fake_node_detail = fakes.mock_request_get(fakes.fake_node_detail(),

valence/version.py

@@ -0,0 +1,18 @@
+# Copyright (c) 2017 Intel, Inc.
+#
+# 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 pbr import version
+
+version_info = version.VersionInfo('valence')