Support setting configFileFormat in helm chart

Author: truongnht

charts/fluent-operator/templates/fluentbitconfig-fluentBitConfig.yaml

@@ -10,6 +10,7 @@ spec:
   {{- if .Values.fluentbit.namespaceClusterFbCfg }}
   namespace: {{ .Values.fluentbit.namespaceClusterFbCfg }}
   {{- end }}
+  configFileFormat: {{ default "classic" .Values.fluentbit.configFileFormat }}
   service:
     parsersFiles:
       - /fluent-bit/etc/parsers.conf

charts/fluent-operator/templates/fluentbitconfig-fluentbitconfig-edge.yaml

@@ -6,6 +6,7 @@ metadata:
   labels:
     app.kubernetes.io/name: fluent-bit
 spec:
+  configFileFormat: {{ default "classic" .Values.fluentbit.configFileFormat }}
   service:
     parsersFile: parsers.conf
   inputSelector:

charts/fluent-operator/values.yaml

@@ -192,9 +192,11 @@ fluentbit:
   #     mountPropagation: HostToContainer
   #     name: hostBuffer
 
-
   namespaceFluentBitCfgSelector: {}
 
+  # Configure the format of the config file to either classic or yaml. Default to classic when this value is not set
+  # configFileFormat: yaml
+
   # Set a limit of memory that Tail plugin can use when appending data to the Engine.
   # You can find more details here: https://docs.fluentbit.io/manual/pipeline/inputs/tail#config
   # If the limit is reach, it will be paused; when the data is flushed it resumes.