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# frozen_string_literal: true
module Gitlab
module ExceptionLogFormatter
class << self
def format!(exception, payload)
return unless exception
# Elasticsearch/Fluentd don't handle nested structures well.
# Use periods to flatten the fields.
payload.merge!(
'exception.class' => exception.class.name,
'exception.message' => sanitize_message(exception)
)
if exception.backtrace
payload['exception.backtrace'] = Rails.backtrace_cleaner.clean(exception.backtrace)
end
if exception.cause
payload['exception.cause_class'] = exception.cause.class.name
end
if gitaly_metadata = find_gitaly_metadata(exception)
payload['exception.gitaly'] = gitaly_metadata.to_s
end
if sql = find_sql(exception)
payload['exception.sql'] = sql
end
end
def find_sql(exception)
if exception.is_a?(ActiveRecord::StatementInvalid)
# StatementInvalid may be caused by a statement timeout or a bad query
normalize_query(exception.sql.to_s)
elsif exception.cause.present?
find_sql(exception.cause)
end
end
def find_gitaly_metadata(exception)
if exception.is_a?(::Gitlab::Git::BaseError)
exception.metadata
elsif exception.is_a?(::GRPC::BadStatus)
exception.metadata[::Gitlab::Git::BaseError::METADATA_KEY]
elsif exception.cause.present?
find_gitaly_metadata(exception.cause)
end
end
private
def normalize_query(sql)
PgQuery.normalize(sql)
rescue PgQuery::ParseError
sql
end
def sanitize_message(exception)
Gitlab::Sanitizers::ExceptionMessage.clean(exception.class.name, exception.message)
end
end
end
end
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