7e4b9f2446
Since one of the main reasons for the sanity check system was to avoid doing runtime checks, importing a sanity check to do a runtime check encourages bad behavior. This moves the check to a new runtime_checks.py file that includes a note encouraging people to use sanity checks wherever possible. Change-Id: I06bffe00bb796b4727dca7867a15302582ffcc10
38 lines
1.3 KiB
Python
38 lines
1.3 KiB
Python
# Copyright (c) 2014 OpenStack Foundation.
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# All Rights Reserved.
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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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from oslo_log import log as logging
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from neutron.agent.linux import utils as agent_utils
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LOG = logging.getLogger(__name__)
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# NOTE: Runtime checks are strongly discouraged in favor of sanity checks
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# which would be run at system setup time. Please consider writing a
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# sanity check instead.
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def dhcp_release6_supported():
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try:
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cmd = ['dhcp_release6', '--help']
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env = {'LC_ALL': 'C'}
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agent_utils.execute(cmd, addl_env=env)
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except (OSError, RuntimeError, IndexError, ValueError) as e:
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LOG.debug("Exception while checking dhcp_release6. "
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"Exception: %s", e)
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return False
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return True
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