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# -*- coding: utf-8 -*- |
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import logging |
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import elasticsearch.exceptions |
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import elasticsearch_dsl |
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from pyjobsweb import model |
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from pyjobsweb.commands import AppContextCommand |
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from pyjobsweb.lib.lock import acquire_inter_process_lock |
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class PurgeESCommand(AppContextCommand): |
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""" |
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Purge Elasticsearch indixes by dropping and re-creating them |
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""" |
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def __init__(self, *args, **kwargs): |
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super(PurgeESCommand, self).__init__(args, kwargs) |
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self._logger = logging.getLogger(__name__) |
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View Code Duplication |
def get_parser(self, prog_name): |
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parser = super(PurgeESCommand, self).get_parser(prog_name) |
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jobs_help_msg = 'purges the jobs index of the elasticsearch database' |
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parser.add_argument('-j', '--jobs', |
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help=jobs_help_msg, |
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dest='purge_jobs_index', |
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action='store_const', const=True) |
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companies_help_msg = 'purges the companies index of the elasticsearch' \ |
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'database' |
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parser.add_argument('-co', '--companies', |
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help=companies_help_msg, |
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dest='purge_companies_index', |
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action='store_const', const=True) |
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geocomplete_help_msg = \ |
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'purges the geocomplete index of the elasticsearch database' |
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parser.add_argument('-g', '--geocomplete', |
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help=geocomplete_help_msg, |
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dest='purge_geocomplete_index', |
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action='store_const', const=True) |
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return parser |
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def _logging(self, logging_level, message): |
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self._logger.log(logging_level, message) |
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def _perform_index_purge(self, index_name, index_settings, doc_type_class): |
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log_msg = 'Dropping %s index.' % index_name |
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self._logging(logging.INFO, log_msg) |
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index = elasticsearch_dsl.Index(index_name) |
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index.settings(**index_settings) |
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index.doc_type(doc_type_class) |
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try: |
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index.delete(ignore=404) |
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index.create() |
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except elasticsearch.exceptions.ElasticsearchException as e: |
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log_msg = 'Error while dropping %s index: %s.' % (index_name, e) |
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self._logging(logging.ERROR, log_msg) |
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return |
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log_msg = 'Index %s has been dropped successfully.' % index_name |
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self._logging(logging.INFO, log_msg) |
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def _purge_index(self, index_name, index_settings, doc_type_class): |
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log_msg = 'Purging index %s.' % index_name |
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self._logging(logging.INFO, log_msg) |
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with acquire_inter_process_lock('purge_%s' % index_name) as acquired: |
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if not acquired: |
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err_msg = 'Another process is already purging the %s ' \ |
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'index, aborting now.' % index_name |
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self._logging(logging.WARNING, err_msg) |
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else: |
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self._perform_index_purge(index_name, |
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index_settings, doc_type_class) |
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def _perform_sync_reset(self, sqlalchemy_table_class): |
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# Update the Postgresql database |
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table_name = sqlalchemy_table_class.__tablename__ |
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log_msg = 'Resetting Postgresql %s table sync data.' % table_name |
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self._logging(logging.INFO, log_msg) |
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sqlalchemy_table_class.reset_last_sync() |
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log_msg = 'Postgresql %s table sync data successfully reset.' \ |
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% table_name |
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self._logging(logging.INFO, log_msg) |
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def _reset_sync(self, index_name, sqlalchemy_table_class): |
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err_msg = 'Resetting synchronization data for index %s.' % index_name |
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self._logging(logging.WARNING, err_msg) |
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with acquire_inter_process_lock('purge_%s' % index_name) as acquired: |
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if not acquired: |
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err_msg = 'Another process is already resetting the %s ' \ |
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'index synchronization data, aborting now.' \ |
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% index_name |
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self._logging(logging.WARNING, err_msg) |
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else: |
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self._perform_sync_reset(sqlalchemy_table_class) |
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def purge_jobs_index(self): |
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index_name = model.JobElastic().index |
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self._purge_index(index_name, dict(), model.JobElastic) |
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self._reset_sync(index_name, model.JobAlchemy) |
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def purge_companies_index(self): |
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index_name = model.CompanyElastic().index |
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self._purge_index(index_name, dict(), model.CompanyElastic) |
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self._reset_sync(index_name, model.CompanyAlchemy) |
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def purge_geocomplete_index(self): |
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index_name = model.Geocomplete().index |
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self._purge_index(index_name, dict(), model.Geocomplete) |
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def take_action(self, parsed_args): |
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super(PurgeESCommand, self).take_action(parsed_args) |
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if parsed_args.purge_jobs_index: |
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self.purge_jobs_index() |
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if parsed_args.purge_companies_index: |
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self.purge_companies_index() |
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if parsed_args.purge_geocomplete_index: |
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self.purge_geocomplete_index() |
pyjobs /
web
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