Enable conditional rendering for service definitions (#856)

* Enable conditional rendering for service definitions

Author: lake-dunamu

charts/temporal/templates/server-service.yaml

@@ -1,6 +1,7 @@
 {{- if $.Values.server.enabled }}
 {{- range $service := (list "frontend" "internal-frontend") }}
 {{- $serviceValues := index $.Values.server $service }}
+{{- if or (not (hasKey $serviceValues "enabled")) $serviceValues.enabled }}
 apiVersion: v1
 kind: Service
 metadata:
@@ -39,6 +40,7 @@ spec:
 ---
 {{- end }}
 {{- end }}
+{{- end }}
 
 {{- if $.Values.server.enabled }}
 {{- range $service := (list "frontend" "internal-frontend" "matching" "history" "worker") }}
@@ -99,4 +101,4 @@ spec:
 ---
 {{- end }}
 {{- end }}
-{{- end }}
+{{- end }}

charts/temporal/tests/server_service_test.yaml

@@ -51,6 +51,40 @@ tests:
         containsDocument:
           kind: Service
           apiVersion: v1
+  - it: doesn't create frontend services when frontend is disabled
+    template: templates/server-service.yaml
+    set:
+      server:
+        frontend:
+          enabled: false
+    asserts:
+      - not: true
+        containsDocument:
+          kind: Service
+          apiVersion: v1
+          name: RELEASE-NAME-temporal-frontend
+      - not: true
+        containsDocument:
+          kind: Service
+          apiVersion: v1
+          name: RELEASE-NAME-temporal-frontend-headless
+  - it: doesn't create internal-frontend services when internal-frontend is disabled
+    template: templates/server-service.yaml
+    set:
+      server:
+        internal-frontend:
+          enabled: false
+    asserts:
+      - not: true
+        containsDocument:
+          kind: Service
+          apiVersion: v1
+          name: RELEASE-NAME-temporal-internal-frontend
+      - not: true
+        containsDocument:
+          kind: Service
+          apiVersion: v1
+          name: RELEASE-NAME-temporal-internal-frontend-headless
   - it: app protocol default in frontend service
     template: templates/server-service.yaml
     documentSelector: