2018-12-23 12:14:25 +05:30
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class MigrateBuildEventsToPipelineEvents < ActiveRecord::Migration[4.2]
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2017-08-17 22:00:37 +05:30
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include Gitlab::Database::MigrationHelpers
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DOWNTIME = false
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def up
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Gitlab::Database.with_connection_pool(2) do |pool|
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threads = []
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threads << Thread.new do
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pool.with_connection do |connection|
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Thread.current[:foreign_key_connection] = connection
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execute(<<-SQL.strip_heredoc)
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UPDATE services
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SET properties = replace(properties,
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'notify_only_broken_builds',
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'notify_only_broken_pipelines')
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, pipeline_events = #{true_value}
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, build_events = #{false_value}
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WHERE type IN
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('SlackService', 'MattermostService', 'HipchatService')
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AND build_events = #{true_value};
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SQL
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end
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end
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threads << Thread.new do
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pool.with_connection do |connection|
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Thread.current[:foreign_key_connection] = connection
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execute(update_pipeline_services_sql)
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end
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end
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threads.each(&:join)
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end
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end
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def down
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# Don't bother to migrate the data back
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end
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def connection
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# Rails memoizes connection objects, but this causes them to be shared
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# amongst threads; we don't want that.
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Thread.current[:foreign_key_connection] || ActiveRecord::Base.connection
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end
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private
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def update_pipeline_services_sql
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if Gitlab::Database.postgresql?
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<<-SQL
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UPDATE services
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SET type = 'PipelinesEmailService'
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, properties = replace(properties,
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'notify_only_broken_builds',
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'notify_only_broken_pipelines')
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, pipeline_events = #{true_value}
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, build_events = #{false_value}
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WHERE type = 'BuildsEmailService'
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AND
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(SELECT 1 FROM services pipeline_services
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WHERE pipeline_services.project_id = services.project_id
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AND pipeline_services.type = 'PipelinesEmailService' LIMIT 1)
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IS NULL;
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SQL
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else
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<<-SQL
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UPDATE services build_services
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LEFT OUTER JOIN services pipeline_services
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ON build_services.project_id = pipeline_services.project_id
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AND pipeline_services.type = 'PipelinesEmailService'
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SET build_services.type = 'PipelinesEmailService'
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, build_services.properties = replace(build_services.properties,
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'notify_only_broken_builds',
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'notify_only_broken_pipelines')
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, build_services.pipeline_events = #{true_value}
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, build_services.build_events = #{false_value}
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WHERE build_services.type = 'BuildsEmailService'
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AND pipeline_services.id IS NULL;
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SQL
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end.strip_heredoc
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end
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end
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