feat(charts): add optional syslog endpoint setting

Author: rimusz

charts/fluentd/templates/logger-fluentd-daemon.yaml

@@ -32,6 +32,15 @@ spec:
 {{- if (.Values.limits_memory) }}
             memory: {{.Values.limits_memory}}
 {{- end}}
+{{- end}}
+{{- if and (.Values.syslog.host) (.Values.syslog.port)}} 
+        env:
+          - name: "SYSLOG_HOST"
+            value: {{.Values.syslog.host | quote }}
+          - name: "SYSLOG_PORT"
+            value: {{.Values.syslog.port | quote }}
+          - name: "DROP_FLUENTD_LOGS"
+            value: "true"
 {{- end}}
         volumeMounts:
         - name: varlog

charts/fluentd/values.yaml

@@ -3,3 +3,9 @@ pull_policy: "Always"
 docker_tag: canary
 # limits_cpu: "100m"
 # limits_memory: "50Mi"
+
+# external syslog endpoint
+syslog:
+  host: "" # external syslog endpoint url
+  port: "" # external syslog endpoint port
+