added logstash

templates/logstash.yaml

+apiVersion: elasticsearch.k8s.elastic.co/v1
+kind: Logstash
+metadata:
+  name: {{ include "logstash.fullname" . }}
+  labels:
+    app: logstash
+spec:
+  version: "{{ .Values.logstash.imageTag }}"
+  count: {{ .Values.logstash.replicas }}
+  config:
+    input {
+      beats {
+        port => 5044
+      }
+    }
+    output {
+      elasticsearch {
+        hosts => ["http://elasticsearch-es-http:9200"]
+        index => "%{[@metadata][beat]}-%{+YYYY.MM.dd}"
+        user => "elastic"
+        password => "your_password"
+      }
+    }
+  podTemplate:
+    spec:
+      containers:
+        - name: logstash
+          env:
+            - name: LS_JAVA_OPTS
+              value: "{{ .Values.logstash.env.LS_JAVA_OPTS }}"
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