Correct logstash update for 6.6.0

Author: rjeberhard

kubernetes/src/test/java/oracle/kubernetes/operator/helm/HelmOperatorValuesTest.java

@@ -480,7 +480,7 @@ private String getExpectedOperatorHelmChartDefaultValues() {
         .append("imagePullPolicy: IfNotPresent\n")
         .append("internalDebugHttpPort: 30999\n")
         .append("javaLoggingLevel: INFO\n")
-        .append("logStashImage: logstash:5\n")
+        .append("logStashImage: logstash:6.6.0\n")
         .append("remoteDebugNodePortEnabled: false\n")
         .append("serviceAccount: default\n");
     return sb.toString();

site/install.md

@@ -293,7 +293,7 @@ elkIntegrationEnabled:  true
 
 Specifies the Docker image containing Logstash.  This parameter is ignored if `elkIntegrationEnabled` is false.
 
-Defaults to `logstash:5`.
+Defaults to `logstash:6.6.0`.
 
 Example:
 ```

src/integration-tests/kubernetes/logstash.yaml

@@ -20,7 +20,7 @@ spec:
     spec:
       containers:
       - name: logstash
-        image: logstash:5 
+        image: logstash:6.6.0
         args: ["-f", "/logs/logstash.conf"]
         volumeMounts:
         - mountPath: /logs