[sumologic-fluentd] make rbac service account name configurable (#1722)

* make rbac service account name configurable

* fixed test

stable/sumologic-fluentd/README.md

@@ -85,6 +85,7 @@ The following tables lists the configurable parameters of the sumologic-fluentd
 | `resources.limits.cpu` | CPU resource limits | 256m |
 | `resources.requests.memory` | Memory resource requests | 128Mi |
 | `resources.limits.memory` | Memory resource limits | 256Mi |
+| `rbac.serviceAccountName` | RBAC service account name | {{ fullname }} |
 
 
 Specify each parameter using the `--set key=value[,key=value]` argument to `helm install`. For example,

stable/sumologic-fluentd/templates/daemonset.yaml

@@ -14,7 +14,11 @@ spec:
       labels:
         app: {{ template "fullname" . }}
     spec:
+    {{- if .Values.rbac.serviceAccountName }}
+      serviceAccountName: {{ .Values.rbac.serviceAccountName }}
+    {{- else }}
       serviceAccountName: {{ template "fullname" . }}
+    {{- end }}
       containers:
         - name: {{ template "fullname" . }}
           image: "{{.Values.image.name}}:{{.Values.image.tag}}"

stable/sumologic-fluentd/templates/serviceaccount.yaml

@@ -1,3 +1,4 @@
+{{- if not .Values.rbac.serviceAccountName }}
 apiVersion: v1
 kind: ServiceAccount
 metadata:
@@ -7,3 +8,4 @@ metadata:
     chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
     release: "{{ .Release.Name }}"
     heritage: "{{ .Release.Service }}"
+{{- end }}

stable/sumologic-fluentd/values.yaml

@@ -17,10 +17,10 @@ sumologic:
   # numThreads: 1
 
   ## Set the _sourceName metadata field in SumoLogic. (Default "%{namespace}.%{pod}.%{container}")
-  # sourceName: 
+  # sourceName:
 
   ## Set the _sourceCategory metadata field in SumoLogic. (Default "%{namespace}/%{pod_name}")
-  # sourceCategory: 
+  # sourceCategory:
 
   ## Set the prefix, for _sourceCategory metadata. (Defualt nil)
   # sourceCategoryPrefix:
@@ -38,7 +38,7 @@ sumologic:
   ## Files matching this pattern will be ignored by the in_tail plugin, and will
   ## not be sent to Kubernetes or Sumo Logic. This can be a comma seperated list.
   ## ref: http://docs.fluentd.org/v0.12/articles/in_tail#excludepath
-  # excludePath: 
+  # excludePath:
 
   ## A ruby regex for namespaces. All matching namespaces will be excluded
   ## from Sumo Logic. The logs will still be sent to FluentD
@@ -53,7 +53,7 @@ sumologic:
   ## A ruby regex for containers. All matching containers will be excluded
   ## from Sumo Logic. The logs will still be sent to FluentD
   ## ref: http://rubular.com/
-  # excludeContainerRegex: 
+  # excludeContainerRegex:
 
   ## A ruby regex for hosts. All matching hosts will be excluded from Sumo
   ## Logic. The logs will still be sent to FluentD
@@ -78,3 +78,5 @@ resources:
   limits:
     cpu: 256m
     memory: 256Mi
+
+rbac: {}