kafka broker hosts should be defined with a comma separated list

The broker attribute should use a comma separated list with the port
definition included

Example: kafka1:9092,kafka2:9092,kafka:9092

The kafka client will connect to the first available host this
will provide resiliency if a host is not available

Change-Id: I5f82e96f2aa274379b6d808291d4b5109709bf72

fluentd/Chart.yaml

@@ -15,7 +15,7 @@ apiVersion: v1
 appVersion: v1.10.1
 description: OpenStack-Helm Fluentd
 name: fluentd
-version: 0.1.4
+version: 0.1.5
 home: https://www.fluentd.org/
 sources:
   - https://github.com/fluent/fluentd

fluentd/templates/daemonset.yaml

@@ -26,7 +26,7 @@ tcpSocket:
 
 {{- $kafkaBroker := tuple "kafka" "internal" . | include "helm-toolkit.endpoints.hostname_fqdn_endpoint_lookup" }}
 {{- $kafkaBrokerPort := tuple "kafka" "internal" "broker" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
-{{- $kafkaBrokerURI := printf "%s:%s" $kafkaBroker $kafkaBrokerPort }}
+{{- $kafkaBrokerURI := printf "%s" $kafkaBroker }}
 
 {{- $rcControllerName := printf "%s-%s" $envAll.Release.Name "fluentd"  }}
 {{ tuple $envAll "fluentd" $rcControllerName | include "helm-toolkit.snippets.kubernetes_pod_rbac_serviceaccount" }}

releasenotes/notes/fluentd.yaml

@@ -5,4 +5,5 @@ fluentd:
   - 0.1.2 Add Configurable Readiness and Liveness Probes
   - 0.1.3 Enable TLS path for output to Elasticsearch
   - 0.1.4 Use full image ref for docker official images
+  - 0.1.5 Kafka brokers defined as a list with port "kafka1:9092,kafka2:9020,kafka3:9092"
 ...