Add support for controlling replicas for all frontends in an environment

api/v1alpha1/frontendenvironment_types.go

@@ -97,6 +97,8 @@ type FrontendEnvironmentSpec struct {
 	TargetNamespaces []string `json:"targetNamespaces,omitempty" yaml:"targetNamespaces,omitempty"`
 	// For the ChromeUI to render additional global components
 	ServiceCategories *[]FrontendServiceCategory `json:"serviceCategories,omitempty" yaml:"serviceCategories,omitempty"`
+
+	DefaultReplicas *int32 `json:"defaultReplicas,omitempty" yaml:"defaultReplicas,omitempty"`
 }
 
 type MonitoringConfig struct {

config/crd/bases/cloud.redhat.com_frontendenvironments.yaml

@@ -60,6 +60,9 @@ spec:
                 description: The name of the secret we will use to get the akamai
                   credentials
                 type: string
+              defaultReplicas:
+                format: int32
+                type: integer
               enableAkamaiCacheBust:
                 description: Enable Akamai Cache Bust
                 type: boolean

controllers/reconcile.go

@@ -408,7 +408,11 @@ func (r *FrontendReconciliation) createFrontendDeployment(annotationHashes []map
 	if r.Frontend.Spec.Replicas != nil {
 		d.Spec.Replicas = r.Frontend.Spec.Replicas
 	} else {
-		d.Spec.Replicas = utils.Int32Ptr(1)
+		if r.FrontendEnvironment.Spec.DefaultReplicas != nil {
+			d.Spec.Replicas = r.FrontendEnvironment.Spec.DefaultReplicas
+		} else {
+			d.Spec.Replicas = utils.Int32Ptr(1)
+		}
 	}
 
 	populateVolumes(d, r.Frontend, r.FrontendEnvironment)

deploy.yml

@@ -263,6 +263,9 @@ objects:
                   description: The name of the secret we will use to get the akamai
                     credentials
                   type: string
+                defaultReplicas:
+                  format: int32
+                  type: integer
                 enableAkamaiCacheBust:
                   description: Enable Akamai Cache Bust
                   type: boolean

docs/antora/modules/ROOT/pages/api_reference.adoc

@@ -463,6 +463,7 @@ do this in epehemeral environments but not in production + |  |
 | *`targetNamespaces`* __string array__ | List of namespaces that should receive a copy of the frontend configuration as a config map +
 By configurations we mean the fed-modules.json, navigation files, etc. + |  | 
 | *`serviceCategories`* __xref:{anchor_prefix}-github-com-redhatinsights-frontend-operator-api-v1alpha1-frontendservicecategory[$$FrontendServiceCategory$$]__ | For the ChromeUI to render additional global components + |  | 
+| *`defaultReplicas`* __integer__ |  |  | 
 |===
 
 
@@ -618,6 +619,7 @@ FrontendSpec defines the desired state of Frontend
 | *`serviceTiles`* __xref:{anchor_prefix}-github-com-redhatinsights-frontend-operator-api-v1alpha1-servicetile[$$ServiceTile$$] array__ | Data for the all services dropdown + |  | 
 | *`widgetRegistry`* __xref:{anchor_prefix}-github-com-redhatinsights-frontend-operator-api-v1alpha1-widgetentry[$$WidgetEntry$$] array__ | Data for the available widgets for the resource + |  | 
 | *`replicas`* __integer__ |  |  | 
+| *`feoConfigEnabled`* __boolean__ | Injects configuration from application when enabled + |  | 
 |===
 
 

tests/e2e/default-replicas/00-create-namespace.yaml

@@ -0,0 +1,8 @@
+---
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: test-default-replicas
+spec:
+  finalizers:
+  - kubernetes

tests/e2e/default-replicas/01-create-resources.yaml

@@ -0,0 +1,33 @@
+---
+apiVersion: cloud.redhat.com/v1alpha1
+kind: FrontendEnvironment
+metadata:
+  name: test-default-replicas-environment
+spec:
+  generateNavJSON: false
+  ssl: false
+  hostname: foo.redhat.com
+  sso: https://sso.foo.redhat.com
+  defaultReplicas: 3
+---
+apiVersion: cloud.redhat.com/v1alpha1
+kind: Frontend
+metadata:
+  name: chrome
+  namespace: test-default-replicas
+spec:
+  API:
+    versions:
+      - v1
+  frontend:
+    paths:
+      - /
+  deploymentRepo: https://github.com/RedHatInsights/insights-chrome
+  envName: test-default-replicas-environment
+  image: quay.io/cloudservices/insights-chrome-frontend:720317c
+  module:
+    config:
+      ssoUrl: 'https://'
+    manifestLocation: /apps/chrome/js/fed-mods.json
+  title: Chrome
+

tests/e2e/default-replicas/02-assert.yaml

@@ -0,0 +1,37 @@
+---
+kind: Deployment
+apiVersion: apps/v1
+metadata:
+  name: chrome-frontend
+  namespace: test-default-replicas
+  labels:
+    frontend: chrome
+  ownerReferences:
+    - apiVersion: cloud.redhat.com/v1alpha1
+      kind: Frontend
+      name: chrome
+spec:
+  replicas: 3
+  selector:
+    matchLabels:
+      frontend: chrome
+  template:
+    spec:
+      volumes:
+        - name: config
+          configMap:
+            name:  test-default-replicas-environment
+            defaultMode: 420
+      containers:
+        - name: fe-image
+          image: 'quay.io/cloudservices/insights-chrome-frontend:720317c'
+          ports:
+            - name: web
+              containerPort: 80
+              protocol: TCP
+            - name: metrics
+              containerPort: 9000
+              protocol: TCP
+          volumeMounts:
+            - name: config
+              mountPath: /opt/app-root/src/build/stable/operator-generated