a8c06a001c
The basic Exception can be used anywhere in the code but however, no program nor library should ever raise Exception directly: it's not specific enough to be helpful. This fix better handles the exceptions by removing the Exception occurencies and adding a new SynergyError type. Bug: #1690795 Change-Id: I202e063198ee9aef7397bad9b8398c24d52b5fe1 Sem-Ver: bugfix
183 lines
6.9 KiB
Python
183 lines
6.9 KiB
Python
import os
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import os.path
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import requests
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import sys
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from argparse import ArgumentParser
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from pkg_resources import iter_entry_points
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from synergy.client import keystone_v3
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__author__ = "Lisa Zangrando"
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__email__ = "lisa.zangrando[AT]pd.infn.it"
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__copyright__ = """Copyright (c) 2015 INFN - INDIGO-DataCloud
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All Rights Reserved
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Licensed under the Apache License, Version 2.0;
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you may not use this file except in compliance with the
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License. You may obtain a copy of the License at:
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing,
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software distributed under the License is distributed on an
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"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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either express or implied.
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See the License for the specific language governing
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permissions and limitations under the License."""
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COMMANDS_ENTRY_POINT = "synergy.commands" # used to discover Synergy commands
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def main():
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try:
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parser = ArgumentParser(prog="synergy",
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epilog="Command-line interface to the"
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" OpenStack Synergy API.")
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# Global arguments
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parser.add_argument("--version", action="version", version="v1.1")
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parser.add_argument("--debug",
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default=False,
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action="store_true",
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help="print debugging output")
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parser.add_argument("--os-username",
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metavar="<auth-user-name>",
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default=os.environ.get("OS_USERNAME"),
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help="defaults to env[OS_USERNAME]")
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parser.add_argument("--os-password",
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metavar="<auth-password>",
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default=os.environ.get("OS_PASSWORD"),
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help="defaults to env[OS_PASSWORD]")
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parser.add_argument("--os-user-domain-id",
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metavar="<auth-user-domain-id>",
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default=os.environ.get("OS_USER_DOMAIN_ID"),
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help="defaults to env[OS_USER_DOMAIN_ID]")
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parser.add_argument("--os-user-domain-name",
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metavar="<auth-user-domain-name>",
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default=os.environ.get("OS_USER_DOMAIN_NAME"),
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help="defaults to env[OS_USER_DOMAIN_NAME]")
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parser.add_argument("--os-project-name",
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metavar="<auth-project-name>",
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default=os.environ.get("OS_PROJECT_NAME"),
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help="defaults to env[OS_PROJECT_NAME]")
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parser.add_argument("--os-project-id",
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metavar="<auth-project-id>",
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default=os.environ.get("OS_PROJECT_ID"),
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help="defaults to env[OS_PROJECT_ID]")
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parser.add_argument("--os-project-domain-id",
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metavar="<auth-project-domain-id>",
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default=os.environ.get("OS_PROJECT_DOMAIN_ID"),
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help="defaults to env[OS_PROJECT_DOMAIN_ID]")
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parser.add_argument("--os-project-domain-name",
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metavar="<auth-project-domain-name>",
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default=os.environ.get("OS_PROJECT_DOMAIN_NAME"),
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help="defaults to env[OS_PROJECT_DOMAIN_NAME]")
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parser.add_argument("--os-auth-url",
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metavar="<auth-url>",
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default=os.environ.get("OS_AUTH_URL"),
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help="defaults to env[OS_AUTH_URL]")
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parser.add_argument("--bypass-url",
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metavar="<bypass-url>",
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dest="bypass_url",
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help="use this API endpoint instead of the "
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"Service Catalog")
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parser.add_argument("--os-cacert",
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metavar="<ca-certificate>",
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default=os.environ.get("OS_CACERT", None),
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help="Specify a CA bundle file to use in verifying"
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" a TLS (https) server certificate. Defaults "
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"to env[OS_CACERT]")
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subparser = parser.add_subparsers(help="commands", dest="command_name")
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commands = {}
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for entry in iter_entry_points(COMMANDS_ENTRY_POINT):
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command_class = entry.load()
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command = command_class()
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commands[entry.name] = command
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for command_name in sorted(commands.keys()):
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commands[command_name].configureParser(subparser)
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args = parser.parse_args(sys.argv[1:])
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os_username = args.os_username
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os_password = args.os_password
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os_user_domain_id = args.os_user_domain_id
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os_user_domain_name = args.os_user_domain_name
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os_project_name = args.os_project_name
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os_project_domain_id = args.os_project_domain_id
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os_project_domain_name = args.os_project_domain_name
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os_auth_url = args.os_auth_url
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os_cacert = args.os_cacert
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bypass_url = args.bypass_url
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command_name = args.command_name
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if bypass_url:
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synergy_url = bypass_url
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else:
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if not os_username:
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raise ValueError("'os-username' not defined!")
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if not os_password:
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raise ValueError("'os-password' not defined!")
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if not os_project_name:
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raise ValueError("'os-project-name' not defined!")
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if not os_auth_url:
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raise ValueError("'os-auth-url' not defined!")
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if not os_user_domain_name:
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os_user_domain_name = "default"
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if not os_project_domain_name:
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os_project_domain_name = "default"
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client = keystone_v3.KeystoneClient(
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auth_url=os_auth_url,
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username=os_username,
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password=os_password,
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ca_cert=os_cacert,
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user_domain_id=os_user_domain_id,
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user_domain_name=os_user_domain_name,
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project_name=os_project_name,
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project_domain_id=os_project_domain_id,
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project_domain_name=os_project_domain_name)
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client.authenticate()
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synergy_endpoint = client.getEndpoint("synergy")
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synergy_url = synergy_endpoint["url"]
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if command_name not in commands:
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print("command %r not found!" % command_name)
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commands[command_name].execute(synergy_url, args)
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except KeyboardInterrupt as e:
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print("Shutting down synergyclient")
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sys.exit(1)
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except requests.exceptions.HTTPError as e:
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print("HTTPError: %s" % e.response._content)
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sys.exit(1)
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except Exception as e:
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print("ERROR: %s" % e)
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sys.exit(1)
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if __name__ == "__main__":
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main()
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