debian-mirror-gitlab/lib/gitlab/database/async_indexes/index_destructor.rb
2022-08-27 11:52:29 +05:30

66 lines
1.7 KiB
Ruby

# frozen_string_literal: true
module Gitlab
module Database
module AsyncIndexes
class IndexDestructor
include ExclusiveLeaseGuard
TIMEOUT_PER_ACTION = 1.day
def initialize(async_index)
@async_index = async_index
end
def perform
try_obtain_lease do
if !index_exists?
log_index_info('Skipping dropping as the index does not exist')
else
log_index_info('Dropping async index')
retries = Gitlab::Database::WithLockRetriesOutsideTransaction.new(
connection: connection,
timing_configuration: Gitlab::Database::Reindexing::REMOVE_INDEX_RETRY_CONFIG,
klass: self.class,
logger: Gitlab::AppLogger
)
retries.run(raise_on_exhaustion: false) do
connection.execute(async_index.definition)
end
log_index_info('Finished dropping async index')
end
async_index.destroy
end
end
private
attr_reader :async_index
def index_exists?
connection.indexes(async_index.table_name).any? { |index| index.name == async_index.name }
end
def connection
@connection ||= async_index.connection
end
def lease_timeout
TIMEOUT_PER_ACTION
end
def lease_key
[super, async_index.connection_db_config.name].join('/')
end
def log_index_info(message)
Gitlab::AppLogger.info(message: message, table_name: async_index.table_name, index_name: async_index.name)
end
end
end
end
end