06326e5232
Adds a top level argument parser with support for help option and options for setting authentication information. Checks that authentication information is supplied.
78 lines
2.3 KiB
Python
Executable File
78 lines
2.3 KiB
Python
Executable File
# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""
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Command-line interface to the Heat API.
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"""
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from __future__ import print_function
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import logging
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import logging.handlers
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import sys
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import tuskarclient.v1_0.argparsers
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logger = logging.getLogger(__name__)
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class TuskarShell(object):
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def __init__(self, raw_args):
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self.raw_args = raw_args
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def run(self):
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parser = tuskarclient.v1_0.argparsers.create_top_parser()
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args = parser.parse_args(self.raw_args)
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if args.help or not self.raw_args:
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parser.print_help()
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return 0
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self._ensure_auth_info(args)
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def _ensure_auth_info(self, args):
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if not args.os_username:
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raise UsageError("You must provide username via either "
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"--os-username or env[OS_USERNAME]")
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if not args.os_password:
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raise UsageError("You must provide password via either "
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"--os-password or env[OS_PASSWORD]")
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if not args.os_tenant_id and not args.os_tenant_name:
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raise UsageError("You must provide tenant via either "
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"--os-tenant-name or --os-tenant-id or "
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"env[OS_TENANT_NAME] or env[OS_TENANT_ID]")
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if not args.os_auth_url:
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raise UsageError("You must provide auth URL via either "
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"--os-auth-url or env[OS_AUTH_URL]")
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class UsageError(Exception):
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pass
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def main():
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logger.addHandler(logging.StreamHandler(sys.stderr))
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try:
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TuskarShell(sys.argv[1:]).run()
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except UsageError as e:
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print(e.message, file=sys.stderr)
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except Exception as e:
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logger.exception("Exiting due to an error:")
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sys.exit(1)
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if __name__ == '__main__':
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main()
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