60 lines
2.1 KiB
Python
60 lines
2.1 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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#
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# 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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import functools
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import six
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from heat_cfnclient.common import exception
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from oslo_log import log as logging
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LOG = logging.getLogger(__name__)
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SUCCESS = 0
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FAILURE = 1
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def catch_error(action):
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"""Decorator to provide sensible default error handling for CLI actions."""
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def wrap(func):
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@functools.wraps(func)
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def wrapper(*arguments, **kwargs):
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try:
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ret = func(*arguments, **kwargs)
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return SUCCESS if ret is None else ret
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except exception.NotAuthorized:
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LOG.error("Not authorized to make this request. Check " +
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"your credentials (OS_USERNAME, OS_PASSWORD, " +
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"OS_TENANT_NAME, OS_AUTH_URL and OS_AUTH_STRATEGY).")
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return FAILURE
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except exception.ClientConfigurationError:
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raise
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except exception.KeystoneError as e:
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LOG.error("Keystone did not finish the authentication and "
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"returned the following message:\n\n%s" % e.message)
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return FAILURE
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except Exception as e:
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options = arguments[0]
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if options.debug:
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raise
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LOG.error("Failed to %s. Got error:" % action)
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pieces = six.text_type(e).split('\n')
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for piece in pieces:
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LOG.error(piece)
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return FAILURE
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return wrapper
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return wrap
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