68 lines
1.6 KiB
Ruby
68 lines
1.6 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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module Database
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module AsyncIndexes
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class IndexCreator
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include ExclusiveLeaseGuard
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TIMEOUT_PER_ACTION = 1.day
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STATEMENT_TIMEOUT = 9.hours
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def initialize(async_index)
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@async_index = async_index
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end
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def perform
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try_obtain_lease do
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if index_exists?
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log_index_info('Skipping index creation as the index exists')
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else
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log_index_info('Creating async index')
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set_statement_timeout do
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connection.execute(async_index.definition)
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end
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log_index_info('Finished creating async index')
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end
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async_index.destroy
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end
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end
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private
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attr_reader :async_index
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def index_exists?
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connection.indexes(async_index.table_name).any? { |index| index.name == async_index.name }
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end
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def connection
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@connection ||= async_index.connection
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end
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def lease_timeout
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TIMEOUT_PER_ACTION
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end
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def lease_key
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[super, async_index.connection_db_config.name].join('/')
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end
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def set_statement_timeout
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connection.execute("SET statement_timeout TO '%ds'" % STATEMENT_TIMEOUT)
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yield
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ensure
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connection.execute('RESET statement_timeout')
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end
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def log_index_info(message)
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Gitlab::AppLogger.info(message: message, table_name: async_index.table_name, index_name: async_index.name)
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end
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end
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end
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end
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end
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