Collect /var/log to es through fluent bit

manifests/fluent-bit.yaml

@@ -226,7 +226,14 @@ spec:
                 Docker_Mode        On
                 Docker_Mode_Flush  5
                 Docker_Mode_Parser docker
-
+            [INPUT]
+                Name          exec
+                Tag           host_exec.*
+                Command       ls /var/log
+                Interval_Sec  5
+                Interval_NSec 0
+                Buf_Size      8mb
+                Oneshot       false
             [INPUT]
                 Name systemd
                 Tag host.*
@@ -338,6 +345,15 @@ spec:
                 Retry_Limit 20
                 Replace_Dots    On
                 Suppress_Type_Name On
+            [OUTPUT]
+                Name es
+                Match host_exec.*
+                Host elasticsearch.es.svc.cluster.local
+                Port 9200
+                Index logs-node.%Y%m
+                Retry_Limit 20
+                Replace_Dots    On
+                Suppress_Type_Name On
 
           ## https://docs.fluentbit.io/manual/pipeline/parsers
           customParsers: |