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Merge pull request #4354 from willkg/1440745-hive
bug 1440745 - move alt-adi apps to separate module
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,171 @@ | ||
| # This Source Code Form is subject to the terms of the Mozilla Public | ||
| # License, v. 2.0. If a copy of the MPL was not distributed with this | ||
| # file, You can obtain one at http://mozilla.org/MPL/2.0/. | ||
|
|
||
| """ | ||
| Contains alternate crontabber apps for "acquiring" ADI data. For the app | ||
| that actually talks to hive, see ``fetch_adi_from_hive.py``. | ||
| """ | ||
|
|
||
| import datetime | ||
|
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||
| from configman import Namespace, class_converter | ||
| from crontabber.base import BaseCronApp | ||
| from crontabber.mixins import as_backfill_cron_app | ||
| from socorro.external.postgresql.connection_context import ConnectionContext | ||
|
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| @as_backfill_cron_app | ||
| class FAKEFetchADIFromHiveCronApp(BaseCronApp): | ||
| """Because of firewalls, we can't generally run the real | ||
| 'fetch-adi-from-hive' in a staging environment. That means that | ||
| various other crontabber apps that depend on this refuses to | ||
| run. | ||
| By introducing a fake version - one that does nothing - we circumvent | ||
| that problem as we're able to keep the same name as the real class. | ||
| NB. The reason for prefixing this class with the word FAKE in | ||
| all upper case is to make it extra noticable so that you never | ||
| enable this class in a crontabber environment on production. | ||
| For more information, see: | ||
| https://bugzilla.mozilla.org/show_bug.cgi?id=1246673 | ||
| """ | ||
|
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| app_name = 'fetch-adi-from-hive' | ||
| app_description = 'FAKE Fetch ADI From Hive App that does nothing' | ||
| app_version = '0.1' | ||
|
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||
| def run(self, date): | ||
| self.config.logger.info( | ||
| 'Faking the fetching of ADI from Hive :)' | ||
| ) | ||
|
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|
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| @as_backfill_cron_app | ||
| class RawADIMoverCronApp(BaseCronApp): | ||
| """Moves raw ADI data from one db to another | ||
| Use this instead of ``FAKEFetchADIFromHiveCronApp`` and | ||
| FetchADIFromHiveCronApp``. | ||
| It uses the same app_name to fulfill cron job depdencies. | ||
| To force a dry run, reset the state:: | ||
| ./socorro/cron/crontabber_app.py --reset-job=fetch-adi-from-hive | ||
| ./socorro/cron/crontabber_app.py --job=fetch-adi-from-hive \ | ||
| --crontabber.class-RawADIMoverCronApp.dry_run | ||
| """ | ||
|
|
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| app_name = 'fetch-adi-from-hive' | ||
| app_description = 'Raw ADI mover app' | ||
| app_version = '0.1' | ||
|
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| required_config = Namespace() | ||
|
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| required_config.add_option( | ||
| 'dry_run', | ||
| default=False, | ||
| doc='Print instead of storing raw_adi data', | ||
| ) | ||
|
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||
| required_config.namespace('source') | ||
| required_config.source.add_option( | ||
| 'database_class', | ||
| default=ConnectionContext, | ||
| doc='The class responsible for connecting to Postgres', | ||
| reference_value_from='resource.postgresql', | ||
| ) | ||
|
|
||
| required_config.namespace('destination') | ||
| required_config.destination.add_option( | ||
| 'transaction_executor_class', | ||
| default='socorro.database.transaction_executor.TransactionExecutorWithInfiniteBackoff', | ||
| doc='a class that will manage transactions', | ||
| from_string_converter=class_converter, | ||
| reference_value_from='resource.postgresql', | ||
| ) | ||
| required_config.destination.add_option( | ||
| 'database_class', | ||
| default='socorro.external.postgresql.connection_context.ConnectionContext', | ||
| doc=( | ||
| 'The class responsible for connecting to Postgres. ' | ||
| 'Optionally set this to an empty string to entirely ' | ||
| 'disable the secondary destination.' | ||
| ), | ||
| from_string_converter=class_converter, | ||
| reference_value_from='resource.postgresql', | ||
| ) | ||
|
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||
| def get_source_data(self, connection, target_date): | ||
| """Retrives the raw_adi_logs data from the source for the given target date""" | ||
| cursor = connection.cursor() | ||
| cursor.execute( | ||
| """ | ||
| SELECT | ||
| adi_count, | ||
| date, | ||
| product_name, | ||
| product_os_platform, | ||
| product_os_version, | ||
| product_version, | ||
| build, | ||
| product_guid, | ||
| update_channel | ||
| FROM raw_adi | ||
| WHERE date = %s; | ||
| """, | ||
| vars=(target_date,) | ||
| ) | ||
| data = [row for row in cursor] | ||
| return data | ||
|
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||
| def save_data_to_destination(self, connection, source_data): | ||
| """Saves data to destination db""" | ||
| cursor = connection.cursor() | ||
| for row in source_data: | ||
| cursor.execute( | ||
| """ | ||
| INSERT INTO raw_adi ( | ||
| adi_count, | ||
| date, | ||
| product_name, | ||
| product_os_platform, | ||
| product_os_version, | ||
| product_version, | ||
| build, | ||
| product_guid, | ||
| update_channel | ||
| ) | ||
| VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s); | ||
| """, | ||
| vars=row | ||
| ) | ||
|
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| def run(self, date): | ||
| source_db = self.config.source.database_class(self.config.source) | ||
|
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| dest_db = self.config.destination.database_class(self.config.destination) | ||
| tx_class = self.config.destination.transaction_executor_class | ||
| transaction = tx_class(self.config, dest_db) | ||
|
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||
| # NOTE(willkg): Running on day x pulls in ADI from day x - 1 to match | ||
| # the other fetch-adi-from-hive job. | ||
| target_date = (date - datetime.timedelta(days=1)).strftime('%Y-%m-%d') | ||
|
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| source_data = self.get_source_data(source_db.connection(), target_date) | ||
| self.config.logger.info('Source data for %s: %s rows' % (target_date, len(source_data))) | ||
| if not source_data: | ||
| self.config.logger.info('Nothing to do.') | ||
| return | ||
|
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| if self.config.dry_run: | ||
| for row in source_data: | ||
| self.config.logger.info('row: %s', row) | ||
| else: | ||
| transaction(self.save_data_to_destination, source_data) | ||
| self.config.logger.debug('Done!') |
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