Add canary service to web (#791)

Author: frankh

charts/posthog/Chart.yaml

@@ -11,7 +11,7 @@ type: application
 
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
-version: 30.44.0
+version: 30.45.0
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application.

charts/posthog/templates/web-deployment.yaml

@@ -23,6 +23,8 @@ spec:
       maxUnavailable: {{ .Values.web.rollout.maxUnavailable }}
     {{- else if eq .Values.web.deployment.strategy "canary" }}
     canary:
+      canaryService: {{ template "posthog.fullname" . }}-web-canary
+      stableService: {{ template "posthog.fullname" . }}-web
       trafficRouting:
         plugins:
           argoproj-labs/contour:

charts/posthog/templates/web-service.yaml

@@ -29,4 +29,37 @@ spec:
   loadBalancerSourceRanges:
     {{- toYaml . | nindent 4 }}
   {{- end }}
+{{- if eq .Values.web.deployment.strategy "canary" }}
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ template "posthog.fullname" . }}-web-canary
+  labels: {{- include "_snippet-metadata-labels-common" . | nindent 4 }}
+  annotations: {{- include "_snippet-metadata-annotations-common" . | nindent 4 }}
+  {{- if .Values.service.annotations }}
+  {{ toYaml .Values.service.annotations | indent 4 }}
+  {{- end }}
+spec:
+  type: {{ .Values.service.type }}
+  ports:
+  - port: {{ .Values.service.externalPort }}
+    targetPort: {{ .Values.service.internalPort }}
+    protocol: TCP
+    name: {{ .Values.service.name }}
+{{- if and (.Values.service.nodePort) (eq .Values.service.type "NodePort") }}
+    nodePort: {{ .Values.service.nodePort }}
+{{- end }}
+{{- if .Values.service.externalIPs }}
+  externalIPs:
+{{ toYaml .Values.service.externalIPs | indent 4 }}
+{{- end }}
+  selector:
+    app: {{ template "posthog.fullname" . }}
+    role: web
+  {{- with .Values.service.loadBalancerSourceRanges }}
+  loadBalancerSourceRanges:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+{{- end }}
 {{- end }}