diff options
Diffstat (limited to 'bin/nova-api-paste')
| -rwxr-xr-x | bin/nova-api-paste | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/bin/nova-api-paste b/bin/nova-api-paste new file mode 100755 index 000000000..419f0bbdc --- /dev/null +++ b/bin/nova-api-paste @@ -0,0 +1,109 @@ +#!/usr/bin/env python +# pylint: disable-msg=C0103 +# vim: tabstop=4 shiftwidth=4 softtabstop=4 + +# Copyright 2010 United States Government as represented by the +# Administrator of the National Aeronautics and Space Administration. +# All Rights Reserved. +# +# 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. + +"""Starter script for Nova API.""" + +import gettext +import os +import sys + +from paste import deploy + +# If ../nova/__init__.py exists, add ../ to Python search path, so that +# it will override what happens to be installed in /usr/(local/)lib/python... +possible_topdir = os.path.normpath(os.path.join(os.path.abspath(sys.argv[0]), + os.pardir, + os.pardir)) +if os.path.exists(os.path.join(possible_topdir, 'nova', '__init__.py')): + sys.path.insert(0, possible_topdir) + +gettext.install('nova', unicode=1) + +from nova import flags +from nova import log as logging +from nova import wsgi + +LOG = logging.getLogger('nova.api') +LOG.setLevel(logging.DEBUG) +LOG.addHandler(logging.StreamHandler()) + +FLAGS = flags.FLAGS + +API_ENDPOINTS = ['ec2', 'openstack'] + + +def load_configuration(paste_config): + """Load the paste configuration from the config file and return it.""" + config = None + # Try each known name to get the global DEFAULTS, which will give ports + for name in API_ENDPOINTS: + try: + config = deploy.appconfig("config:%s" % paste_config, name=name) + except LookupError: + pass + if config: + verbose = config.get('verbose', None) + if verbose: + FLAGS.verbose = int(verbose) == 1 + if FLAGS.verbose: + logging.getLogger().setLevel(logging.DEBUG) + return config + LOG.debug(_("Paste config at %s has no secion for known apis"), + paste_config) + print _("Paste config at %s has no secion for any known apis") % \ + paste_config + os.exit(1) + + +def launch_api(paste_config_file, section, server, port, host): + """Launch an api server from the specified port and IP.""" + LOG.debug(_("Launching %s api on %s:%s"), section, host, port) + app = deploy.loadapp('config:%s' % paste_config_file, name=section) + server.start(app, int(port), host) + + +def run_app(paste_config_file): + LOG.debug(_("Using paste.deploy config at: %s"), configfile) + config = load_configuration(paste_config_file) + LOG.debug(_("Configuration: %r"), config) + server = wsgi.Server() + ip = config.get('host', '0.0.0.0') + for api in API_ENDPOINTS: + port = config.get("%s_port" % api, None) + if not port: + continue + host = config.get("%s_host" % api, ip) + launch_api(configfile, api, server, port, host) + LOG.debug(_("All api servers launched, now waiting")) + server.wait() + + +if __name__ == '__main__': + FLAGS(sys.argv) + configfiles = ['/etc/nova/nova-api.conf'] + if os.path.exists(os.path.join(possible_topdir, 'nova', '__init__.py')): + configfiles.insert(0, + os.path.join(possible_topdir, 'etc', 'nova-api.conf')) + for configfile in configfiles: + if os.path.exists(configfile): + run_app(configfile) + break + else: + LOG.debug(_("Skipping missing configuration: %s"), configfile) |
