Add optional secret to pull Docker image in fluent-bit chart (#2489)

production/helm/fluent-bit/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: "v1"
 name: fluent-bit
-version: 0.1.5
+version: 0.2.0
 appVersion: v1.5.0
 kubeVersion: "^1.10.0-0"
 description: "Uses fluent-bit Loki go plugin for gathering logs and sending them to Loki"

production/helm/fluent-bit/templates/daemonset.yaml

@@ -35,9 +35,15 @@ spec:
         {{- end }}
     spec:
       serviceAccountName: {{ template "fluent-bit-loki.serviceAccountName" . }}
-    {{- if .Values.priorityClassName }}
+      {{- if .Values.priorityClassName }}
       priorityClassName: {{ .Values.priorityClassName }}
-    {{- end }}
+      {{- end }}
+      {{- if .Values.image.pullSecrets }}
+      imagePullSecrets:
+      {{- range .Values.image.pullSecrets }}
+        - name: {{ . }}
+      {{- end }}
+      {{- end }}
       containers:
         - name: fluent-bit-loki
           image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"

production/helm/fluent-bit/values.yaml

@@ -50,6 +50,11 @@ image:
   repository: grafana/fluent-bit-plugin-loki
   tag: 1.5.0-amd64
   pullPolicy: IfNotPresent
+  ## Optionally specify an array of imagePullSecrets.
+  ## Secrets must be present in the namespace.
+  ## ref: https://kubernetes.io/docs/tasks/configure-pod-container/pull-image-private-registry/
+  # pullSecrets:
+  #   - myRegistrKeySecretName
 
 nameOverride: fluent-bit-loki
 

production/helm/loki-stack/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: "v1"
 name: loki-stack
-version: 0.38.4
+version: 0.39.0
 appVersion: v1.5.0
 kubeVersion: "^1.10.0-0"
 description: "Loki: like Prometheus, but for logs."