506 lines
17 KiB
Python
506 lines
17 KiB
Python
# Copyright 2020 Red Hat, Inc.
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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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#
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import json
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import glob
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import logging
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import os
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import time
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from os.path import join
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from validations_libs import constants
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LOG = logging.getLogger(__name__ + ".validation_logs")
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class ValidationLog(object):
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"""An object for encapsulating a Validation Log file"""
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def __init__(self, uuid=None, validation_id=None, logfile=None,
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log_path=constants.VALIDATIONS_LOG_BASEDIR,
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extension='json'):
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"""Wrap the Validation Log file
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:param uuid: The uuid of the validation execution
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:type uuid: ``string``
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:param validation_id: The ID of the validation
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:type validation_id: ``string``
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:param logfile: The absolute path of the log file
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:type logfile: ``string`
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:param log_path: The absolute path of the logs directory
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:type log_path: ``string``
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:param extension: The file extension (Default to 'json')
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:type extension: ````
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"""
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# Set properties
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self.uuid = uuid
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self.validation_id = validation_id
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self.log_path = log_path
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self.extension = extension
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self.content = {}
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self.name = None
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self.datetime = None
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if not logfile and (not uuid or not validation_id):
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raise Exception(
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'When not using logfile argument, the uuid and '
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'validation_id have to be set'
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)
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# Get full path and content
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if logfile:
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full_path = logfile
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else:
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if uuid and validation_id:
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full_path = self.get_log_path()
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if full_path:
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self.content = self._get_content(full_path)
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self.name = os.path.splitext(os.path.basename(full_path))[0]
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self.datetime = self.name.rsplit('_', 1)[-1]
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# if we have a log file then extract uuid, validation_id and timestamp
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if logfile:
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try:
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self.uuid, _name = self.name.split('_', 1)
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self.validation_id, self.datetime = _name.rsplit('_', 1)
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except ValueError:
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logging.warning('Wrong log file format, it should be formed '
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'such as {uuid}_{validation-id}_{timestamp}')
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def _get_content(self, file):
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try:
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with open(file, 'r') as log_file:
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return json.load(log_file)
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except IOError:
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msg = "log file: {} not found".format(file)
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raise IOError(msg)
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except ValueError:
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msg = "bad json format for {}".format(file)
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raise ValueError(msg)
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def get_log_path(self):
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"""Return full path of a validation log"""
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# We return occurence 0, because it should be a uniq file name:
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return glob.glob("{}/{}_{}_*.{}".format(self.log_path,
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self.uuid, self.validation_id,
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self.extension))[0]
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def is_valid_format(self):
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"""Return True if the log file is a valid validation format
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The validation log file has to contain three level of data.
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- ``plays`` will contain the Ansible execution logs of the playbooks
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- ``stat`` will contain the statistics for each targeted hosts
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- ``validation_output`` will contain only the warning or failed tasks
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.. code:: bash
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{
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'plays': [],
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'stats': {},
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'validation_output': []
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}
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:return: ``True`` if the log file is valid, ``False`` if not.
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:rtype: ``boolean``
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"""
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validation_keys = ['stats', 'validation_output', 'plays']
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return bool(set(validation_keys).intersection(self.content.keys()))
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@property
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def get_logfile_infos(self):
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"""Return log file information from the log file basename
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:return: A list with the UUID, the validation name and the
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datetime of the log file
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:rtype: ``list``
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:Example:
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>>> logfile = '/tmp/123_foo_2020-03-30T13:17:22.447857Z.json'
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>>> val = ValidationLog(logfile=logfile)
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>>> print(val.get_logfile_infos)
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['123', 'foo', '2020-03-30T13:17:22.447857Z']
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"""
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return self.name.replace('.{}'.format(self.extension), '').split('_')
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@property
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def get_logfile_datetime(self):
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"""Return log file datetime from a UUID and a validation ID
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:return: The datetime of the log file
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:rtype: ``list``
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:Example:
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>>> logfile = '/tmp/123_foo_2020-03-30T13:17:22.447857Z.json'
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>>> val = ValidationLog(logfile=logfile)
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>>> print(val.get_logfile_datetime)
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['2020-03-30T13:17:22.447857Z']
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"""
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return self.name.replace('.{}'.format(self.extension),
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'').split('_')[2]
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@property
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def get_logfile_content(self):
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"""Return logfile content
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:rtype: ``dict``
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"""
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return self.content
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@property
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def get_uuid(self):
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"""Return log uuid
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:rtype: ``string``
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"""
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return self.uuid
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@property
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def get_validation_id(self):
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"""Return validation id
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:rtype: ``string``
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"""
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return self.validation_id
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@property
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def get_status(self):
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"""Return validation status
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:return: 'FAILED' if there is failure(s), 'PASSED' if not.
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If no tasks have been executed, it returns 'NOT_RUN'.
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:rtype: ``string``
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"""
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failed = 0
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for h in self.content['stats'].keys():
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if self.content['stats'][h].get('failures'):
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failed += 1
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if self.content['stats'][h].get('unreachable'):
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failed += 1
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return ('FAILED' if failed else 'PASSED')
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@property
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def get_host_group(self):
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"""Return host group
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:return: A comma-separated list of host(s)
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:rtype: ``string``
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"""
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return ', '.join([play['play'].get('host') for
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play in self.content['plays']])
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@property
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def get_hosts_status(self):
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"""Return status by host(s)
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:return: A comma-separated string of host with its status
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:rtype: ``string``
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:Example:
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>>> logfile = '/tmp/123_foo_2020-03-30T13:17:22.447857Z.json'
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>>> val = ValidationLog(logfile=logfile)
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>>> print(val.get_hosts_status)
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'localhost,PASSED, webserver1,FAILED, webserver2,PASSED'
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"""
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hosts = []
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for h in self.content['stats'].keys():
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if self.content['stats'][h].get('failures'):
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hosts.append('{},{}'.format(h, 'FAILED'))
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elif self.content['stats'][h].get('unreachable'):
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hosts.append('{},{}'.format(h, 'UNREACHABLE'))
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else:
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hosts.append('{},{}'.format(h, 'PASSED'))
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return ', '.join(hosts)
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@property
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def get_unreachable_hosts(self):
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"""Return unreachable hosts
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:return: A list of unreachable host(s)
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:rtype: ``string``
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:Example:
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- Multiple unreachable hosts
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>>> logfile = '/tmp/123_foo_2020-03-30T13:17:22.447857Z.json'
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>>> val = ValidationLog(logfile=logfile)
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>>> print(val.get_unreachable_hosts)
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'localhost, webserver2'
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- Only one unreachable host
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>>> logfile = '/tmp/123_foo_2020-03-30T13:17:22.447857Z.json'
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>>> val = ValidationLog(logfile=logfile)
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>>> print(val.get_unreachable_hosts)
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'localhost'
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- No unreachable host
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>>> logfile = '/tmp/123_foo_2020-03-30T13:17:22.447857Z.json'
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>>> val = ValidationLog(logfile=logfile)
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>>> print(val.get_unreachable_hosts)
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''
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"""
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return ', '.join(h for h in self.content['stats'].keys()
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if self.content['stats'][h].get('unreachable'))
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@property
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def get_duration(self):
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"""Return duration of Ansible runtime
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:rtype: ``string``
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"""
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duration = [play['play']['duration'].get('time_elapsed') for
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play in self.content['plays']]
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return ', '.join(filter(None, duration))
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@property
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def get_start_time(self):
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"""Return Ansible start time
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:rtype: ``string``
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"""
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start_time = [play['play']['duration'].get('start') for
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play in self.content['plays']]
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return ', '.join(filter(None, start_time))
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@property
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def get_plays(self):
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"""Return a list of Playbook data"""
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return [play['play'] for play in self.content['plays']]
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@property
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def get_tasks_data(self):
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"""Return a list of task from validation output"""
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return [output['task'] for output in self.content['validation_output']]
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class ValidationLogs(object):
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"""An object for encapsulating the Validation Log files"""
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def __init__(self, logs_path=constants.VALIDATIONS_LOG_BASEDIR):
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self.logs_path = logs_path
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def _get_content(self, file):
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try:
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with open(file, 'r') as log_file:
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return json.load(log_file)
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except IOError:
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msg = "log file: {} not found".format(file)
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raise IOError(msg)
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def get_logfile_by_validation(self, validation_id):
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"""Return logfiles by validation_id
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:param validation_id: The ID of the validation
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:type validation_id: ``string``
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:return: The list of the log files for a validation
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:rtype: ``list``
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"""
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return glob.glob("{}/*_{}_*".format(self.logs_path, validation_id))
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def get_logfile_content_by_validation(self, validation_id):
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"""Return logfiles content by validation_id
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:param validation_id: The ID of the validation
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:type validation_id: ``string``
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:return: The list of the log files contents for a validation
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:rtype: ``list``
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"""
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log_files = glob.glob("{}/*_{}_*".format(self.logs_path,
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validation_id))
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return [self._get_content(log) for log in log_files]
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def get_logfile_by_uuid(self, uuid):
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"""Return logfiles by uuid
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:param uuid: The UUID of the validation execution
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:type uuid: ``string``
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:return: The list of the log files by UUID
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:rtype: ``list``
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"""
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return glob.glob("{}/{}_*".format(self.logs_path, uuid))
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def get_logfile_content_by_uuid(self, uuid):
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"""Return logfiles content by uuid
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:param uuid: The UUID of the validation execution
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:type uuid: ``string``
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:return: The list of the log files contents by UUID
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:rtype: ``list``
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"""
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log_files = glob.glob("{}/{}_*".format(self.logs_path, uuid))
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return [self._get_content(log) for log in log_files]
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def get_logfile_by_uuid_validation_id(self, uuid, validation_id):
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"""Return logfiles by uuid and validation_id
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:param uuid: The UUID of the validation execution
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:type uuid: ``string``
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:param validation_id: The ID of the validation
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:type validation_id: ``string``
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:return: A list of the log files by UUID and validation_id
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:rtype: ``list``
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"""
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return glob.glob("{}/{}_{}_*".format(self.logs_path, uuid,
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validation_id))
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def get_logfile_content_by_uuid_validation_id(self, uuid, validation_id):
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"""Return logfiles content filter by uuid and validation_id
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:param uuid: The UUID of the validation execution
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:type uuid: ``string``
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:param validation_id: The ID of the validation
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:type validation_id: ``string``
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:return: A list of the log files content by UUID and validation_id
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:rtype: ``list``
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"""
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log_files = glob.glob("{}/{}_{}_*".format(self.logs_path, uuid,
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validation_id))
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return [self._get_content(log) for log in log_files]
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def get_all_logfiles(self, extension='json'):
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"""Return logfiles from logs_path
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:param extension: The extension file (Defaults to 'json')
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:type extension: ``string``
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:return: A list of the absolute path log files
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:rtype: ``list``
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"""
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return [join(self.logs_path, f) for f in os.listdir(self.logs_path) if
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os.path.isfile(join(self.logs_path, f)) and extension in
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os.path.splitext(join(self.logs_path, f))[1]]
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def get_all_logfiles_content(self):
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"""Return logfiles content
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:return: A list of the contents of every log files available
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:rtype: ``list``
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"""
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return [self._get_content(join(self.logs_path, f))
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for f in os.listdir(self.logs_path)
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if os.path.isfile(join(self.logs_path, f))]
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def get_validations_stats(self, logs):
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"""Return validations stats from log files
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:param logs: A list of log file contents
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:type logs: ``list``
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:return: Information about validation statistics.
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``last execution date`` and ``number of execution``
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:rtype: ``dict``
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"""
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if not isinstance(logs, list):
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logs = [logs]
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# Get validation stats
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total_number = len(logs)
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failed_number = 0
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passed_number = 0
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last_execution = None
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dates = []
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for log in logs:
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if log.get('validation_output'):
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failed_number += 1
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else:
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passed_number += 1
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date_time = \
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log['plays'][0]['play']['duration'].get('start').split('T')
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date_start = date_time[0]
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time_start = date_time[1].split('Z')[0]
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newdate = \
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time.strptime(date_start + time_start, '%Y-%m-%d%H:%M:%S.%f')
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dates.append(newdate)
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if dates:
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last_execution = time.strftime('%Y-%m-%d %H:%M:%S', max(dates))
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return {"Last execution date": last_execution,
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"Number of execution": "Total: {}, Passed: {}, "
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"Failed: {}".format(total_number,
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passed_number,
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failed_number)}
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def get_results(self, uuid, validation_id=None):
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"""Return a list of validation results by uuid
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Can be filter by validation_id
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:param uuid: The UUID of the validation execution
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:type uuid: ``string` or ``list``
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:param validation_id: The ID of the validation
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:type validation_id: ``string``
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:return: A list of the log files content by UUID and validation_id
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:rtype: ``list``
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:Example:
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>>> v_logs = ValidationLogs()
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>>> uuid = '78df1c3f-dfc3-4a1f-929e-f51762e67700'
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>>> print(v_logs.get_results(uuid=uuid)
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[{'Duration': '0:00:00.514',
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'Host_Group': 'undercloud,Controller',
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'Status': 'FAILED',
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'Status_by_Host': 'undercloud,FAILED, underclou1d,FAILED',
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'UUID': '78df1c3f-dfc3-4a1f-929e-f51762e67700',
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'Unreachable_Hosts': 'undercloud',
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'Validations': 'check-cpu'}]
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"""
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if isinstance(uuid, list):
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results = []
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for identifier in uuid:
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results.extend(self.get_logfile_by_uuid_validation_id(
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identifier,
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validation_id)
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if validation_id else
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self.get_logfile_by_uuid(identifier))
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elif isinstance(uuid, str):
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results = (self.get_logfile_by_uuid_validation_id(uuid,
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validation_id)
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if validation_id else self.get_logfile_by_uuid(uuid))
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else:
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raise RuntimeError(
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(
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"uuid should be either a str or a list"
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"but is {} instead"
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).format(type(uuid))
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)
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res = []
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for result in results:
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vlog = ValidationLog(logfile=result)
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data = {}
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data['UUID'] = vlog.get_uuid
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data['Validations'] = vlog.get_validation_id
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data['Status'] = vlog.get_status
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data['Host_Group'] = vlog.get_host_group
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data['Status_by_Host'] = vlog.get_hosts_status
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data['Unreachable_Hosts'] = vlog.get_unreachable_hosts
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data['Duration'] = vlog.get_duration
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res.append(data)
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return res
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