e88be20f1d
The construction of the combined svc-map-services file uses the host's /tmp directory to store a work-in-progress file. That file's left behind after it's done with. There's a potential race here; together with problems that may arise if two users attempt to run devtest on the same system. This patch fixes this by creating the temporary file specifically under $TMP_MOUNT_PATH. Change-Id: Iecbdc583e37bed542249c316919c3712c28c7440
91 lines
3.0 KiB
Python
Executable File
91 lines
3.0 KiB
Python
Executable File
#!/usr/bin/env python
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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 os
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import sys
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import yaml
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def os_family(distro):
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"Given a distribution, returns a operating system family."
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family = None
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if distro in ['centos7', 'fedora', 'rhel', 'rhel7']:
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family = 'redhat'
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elif distro in ['debian', 'ubuntu']:
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family = 'debian'
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elif distro == 'opensuse':
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family = 'suse'
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return family
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def merge_data(source, destination, distro):
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"""Merges two dictionaries and filters on distro.
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Merges two dictionaries and filters on distro family, or default (in order)
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"""
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result = dict()
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result.update(destination)
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family = os_family(distro)
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for servicename, mapping in source.iteritems():
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if servicename in result:
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raise Exception("%s already found in services list" % servicename)
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if distro in mapping:
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result[servicename] = mapping.get(distro)
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elif family in mapping:
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result[servicename] = mapping.get(family)
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elif 'default' in mapping:
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result[servicename] = mapping.get('default')
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else:
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result[servicename] = servicename
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return result
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def write_data_to_file(data, service_file_path):
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"""Writes yaml data to a specified path."""
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with open(service_file_path, 'w') as destination:
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yaml.dump(data, destination, default_flow_style=False)
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def main():
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elements = os.environ.get("IMAGE_ELEMENT").split(' ')
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element_paths = os.environ.get("ELEMENTS_PATH").split(':')
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service_names = dict()
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for element in elements:
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if not element.strip():
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continue
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for element_path in element_paths:
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data_path = os.path.join(element_path, element, "svc-map")
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if os.path.exists(data_path):
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with open(data_path, 'r') as dataFile:
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data = yaml.load(dataFile.read())
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try:
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service_names = merge_data(
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data,
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service_names,
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os.environ.get("DISTRO_NAME"))
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except Exception as err:
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print("%s. Check %s for duplicate"
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" service name." % (err, element))
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sys.exit(1)
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write_data_to_file(
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service_names,
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os.path.join(os.environ['TMP_MOUNT_PATH'], 'tmp', 'svc-map-services'))
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if __name__ == "__main__":
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main()
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