Add GCP PubSub configuration

charts/fleet-telemetry/README.md

@@ -44,6 +44,7 @@ helm upgrade fleet-telemetry teslamotors/fleet-telemetry -n fleet-telemetry
 | `replicas`            | Number of pods                                                                      | `1`                     |
 | `service.annotations` | Service Annotations                                                                 | {}                      |
 | `service.type`        | Service Type                                                                        | ClusterIP               |
+| `gcpSecret`           | Name of existing secret if you use GCP PubSub (SA key must be set in the key.json)  | `nil`                   |
 
 ## Example
 * Set `config.data` in `values.yaml`

charts/fleet-telemetry/templates/2-deployment.yaml

@@ -27,6 +27,10 @@ spec:
         env:
         - name: KUBERNETES_CLUSTER_DOMAIN
           value: {{ quote .Values.kubernetesClusterDomain }}
+        {{- if .Values.gcpSecret }}
+        - name: GOOGLE_APPLICATION_CREDENTIALS
+          value: /etc/gcp/key.json
+        {{- end}}
         image: {{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}
         livenessProbe:
           failureThreshold: 5
@@ -61,6 +65,10 @@ spec:
           name: config
         - mountPath: /etc/certs/server
           name: server-certs
+        {{ if .Values.gcpSecret }}
+        - mountPath: /etc/gcp
+          name: gcp-secret
+        {{ end }}
       nodeSelector: {{- toYaml .Values.nodeSelector | nindent 8 }}
       tolerations: {{- toYaml .Values.tolerations | nindent 8 }}
       volumes:
@@ -74,3 +82,10 @@ spec:
           sources:
           - secret:
               name: {{ .Values.tlsSecret.name | default (printf "%s" (include "fleet-telemetry.fullname" .)) }}
+      {{ if .Values.gcpSecret }}
+      - name: gcp-secret
+        projected:
+          sources:
+          - secret:
+              name: {{ .Values.gcpSecret }}
+      {{ end }}

charts/fleet-telemetry/values.yaml

@@ -39,3 +39,4 @@ config:
   profile:
     port: 4269
 kubernetesClusterDomain: cluster.local
+gcpSecret: null