fluentd-plugin: call gsub for strings only (#1475)

* Use gsub only for string variables * Delete version change
6 years ago · aa09aa5f34
parent 7c4906786d
commit aa09aa5f34
2 changed files with 2 additions and 2 deletions
--- a/fluentd/fluent-plugin-grafana-loki/lib/fluent/plugin/out_loki.rb
+++ b/fluentd/fluent-plugin-grafana-loki/lib/fluent/plugin/out_loki.rb
@ -195,7 +195,7 @@ module Fluent
        data_labels = {} if data_labels.nil?
        data_labels = data_labels.merge(@extra_labels)
        # sanitize label values
-        data_labels.each { |k, v| formatted_labels[k] = v.gsub('"', '\\"') if v }
+        data_labels.each { |k, v| formatted_labels[k] = v.gsub('"', '\\"') if v && v&.is_a?(String) }
        formatted_labels
      end