chore(fluentbit): add fluentbit datemonset extra env

Author: duanhongyi

addons/fluentbit/2/chart/fluentbit/templates/daemonset.yaml

@@ -61,6 +61,19 @@ spec:
         - fluent-bit
         - -c
         - /opt/drycc/fluent-bit/etc/fluent-bit/fluentbit.conf
+        env:
+          {{- if .Values.daemonset.extraEnvVars }}
+          {{- include "common.tplvalues.render" (dict "value" .Values.daemonset.extraEnvVars "context" $) | nindent 10 }}
+          {{- end }}
+        envFrom:
+          {{- if .Values.daemonset.extraEnvVarsCM }}
+          - configMapRef:
+              name: {{ include "common.tplvalues.render" (dict "value" .Values.daemonset.extraEnvVarsCM "context" $) }}
+          {{- end }}
+          {{- if .Values.daemonset.extraEnvVarsSecret }}
+          - secretRef:
+              name: {{ include "common.tplvalues.render" (dict "value" .Values.daemonset.extraEnvVarsSecret "context" $) }}
+          {{- end }}
         volumeMounts:
         - name: data
           mountPath: /data

addons/fluentbit/2/chart/fluentbit/values.yaml

@@ -257,6 +257,19 @@ daemonset:
           Rule                "start_state"     "/^panic: /" "cont"
           Rule                "cont"            "/^\s+/" "cont"
           Rule                "cont"            "/^goroutine /" "cont"
+  ## @param daemonset.extraEnvVars Array with extra environment variables to add to daemonset nodes
+  ## e.g:
+  ## extraEnvVars:
+  ##   - name: FOO
+  ##     value: "bar"
+  ##
+  extraEnvVars: []
+  ## @param daemonset.extraEnvVarsCM Name of existing ConfigMap containing extra env vars for daemonset nodes
+  ##
+  extraEnvVarsCM: ""
+  ## @param daemonset.extraEnvVarsSecret Name of existing Secret containing extra env vars for daemonset nodes
+  ##
+  extraEnvVarsSecret: ""
 
       [MULTILINE_PARSER]
           Name                gateway_multiline