fix(http-add-on): Refactor the chart for next version

.github/workflows/ci-http-add-on.yml

@@ -6,28 +6,28 @@ on:
     branches:
       - main
     paths:
-      - '.github/workflows/ci-http-add-on.yml'
-      - 'http-add-on/**'
+      - ".github/workflows/ci-http-add-on.yml"
+      - "http-add-on/**"
   pull_request:
     branches:
       - main
     paths:
-      - '.github/workflows/ci-http-add-on.yml'
-      - 'http-add-on/**'
+      - ".github/workflows/ci-http-add-on.yml"
+      - "http-add-on/**"
 
 jobs:
   lint-helm-3-x:
     name: Lint Helm Chart
     runs-on: ubuntu-latest
     steps:
-    - name: Check out code
-      uses: actions/checkout@v2
+      - name: Check out code
+        uses: actions/checkout@v2
 
-    - name: Helm install
-      uses: Azure/setup-helm@v3
+      - name: Helm install
+        uses: Azure/setup-helm@v3
 
-    - name: Lint 'http-add-on' Helm chart
-      run: helm lint http-add-on
+      - name: Lint 'http-add-on' Helm chart
+        run: helm lint http-add-on
 
   deploy-helm-3-x:
     name: Deploy to Kubernetes ${{ matrix.kubernetesVersion }}
@@ -38,62 +38,89 @@ jobs:
       matrix:
         kubernetesVersion: [v1.28, v1.27, v1.26, v1.25]
         include:
-        - kubernetesVersion: v1.28
-          kindImage: kindest/node:v1.28.0@sha256:b7a4cad12c197af3ba43202d3efe03246b3f0793f162afb40a33c923952d5b31
-        - kubernetesVersion: v1.27
-          kindImage: kindest/node:v1.27.3@sha256:3966ac761ae0136263ffdb6cfd4db23ef8a83cba8a463690e98317add2c9ba72
-        - kubernetesVersion: v1.26
-          kindImage: kindest/node:v1.26.6@sha256:6e2d8b28a5b601defe327b98bd1c2d1930b49e5d8c512e1895099e4504007adb
-        - kubernetesVersion: v1.25
-          kindImage: kindest/node:v1.25.11@sha256:227fa11ce74ea76a0474eeefb84cb75d8dad1b08638371ecf0e86259b35be0c8
+          - kubernetesVersion: v1.28
+            kindImage: kindest/node:v1.28.0@sha256:b7a4cad12c197af3ba43202d3efe03246b3f0793f162afb40a33c923952d5b31
+          - kubernetesVersion: v1.27
+            kindImage: kindest/node:v1.27.3@sha256:3966ac761ae0136263ffdb6cfd4db23ef8a83cba8a463690e98317add2c9ba72
+          - kubernetesVersion: v1.26
+            kindImage: kindest/node:v1.26.6@sha256:6e2d8b28a5b601defe327b98bd1c2d1930b49e5d8c512e1895099e4504007adb
+          - kubernetesVersion: v1.25
+            kindImage: kindest/node:v1.25.11@sha256:227fa11ce74ea76a0474eeefb84cb75d8dad1b08638371ecf0e86259b35be0c8
     steps:
-    - name: Check out code
-      uses: actions/checkout@v2
-
-    - name: Helm install
-      uses: Azure/setup-helm@v3
-
-    - name: Create k8s ${{ matrix.kubernetesVersion }} Kind Cluster
-      uses: helm/kind-action@main
-      with:
-        node_image: ${{ matrix.kindImage }}
-
-    - name: Show Kubernetes version
-      run: |
-        kubectl version
-
-    - name: Show Kubernetes nodes
-      run: |
-        kubectl get nodes -o wide
-
-    - name: Show Helm version
-      run: |
-        helm version
-
-    - name: Create KEDA namespace
-      run: kubectl create ns keda
-
-    - name: Install KEDA chart
-      run: helm install keda ./keda/ --namespace keda
-
-    - name: Template Helm chart
-      run: helm template http-add-on ./http-add-on/ --namespace keda
-
-    - name: Install Helm chart
-      run: helm install http-add-on ./http-add-on/ --namespace keda
-
-    - name: Show Kubernetes resources
-      run: kubectl get all --namespace keda
-      if: always()
-
-    - name: Get all HTTPScaledObjects
-      run: kubectl get httpscaledobjects
-
-    - name: Get all CRDs
-      run: kubectl get crds
-
-    - name: Get HTTPScaledObject CRD
-      run: kubectl get crds/httpscaledobjects.http.keda.sh
-
-    - name: Describe HTTPScaledObject CRD
-      run: kubectl describe crds/httpscaledobjects.http.keda.sh
+      - name: Check out code
+        uses: actions/checkout@v2
+
+      - name: Helm install
+        uses: Azure/setup-helm@v3
+
+      - name: Create k8s ${{ matrix.kubernetesVersion }} Kind Cluster
+        uses: helm/kind-action@main
+        with:
+          node_image: ${{ matrix.kindImage }}
+
+      - name: Show Kubernetes version
+        run: |
+          kubectl version
+
+      - name: Show Kubernetes nodes
+        run: |
+          kubectl get nodes -o wide
+
+      - name: Show Helm version
+        run: |
+          helm version
+
+      - name: Create KEDA namespace
+        run: kubectl create ns keda
+
+      - name: Install KEDA chart
+        run: helm install keda ./keda/ --namespace keda
+
+      - name: Generate values
+        run: |
+          cat <<EOF > test-values.yaml
+          additionalLabels:
+            random: value
+          images:
+            tag: canary
+          rbac:
+            aggregateToDefaultRoles: true
+          interceptor:
+            replicas:
+              min: 1
+          EOF
+
+      - name: Template Helm chart
+        run: helm template http-add-on ./http-add-on/ --namespace keda --values test-values.yaml
+
+      - name: Install Helm chart
+        run: helm install http-add-on ./http-add-on/ --namespace keda --values test-values.yaml --wait
+
+      - name: Show Kubernetes resources
+        run: kubectl get all --namespace keda
+        if: always()
+
+      - name: Get all HTTPScaledObjects
+        run: kubectl get httpscaledobjects
+
+      - name: Get all CRDs
+        run: kubectl get crds
+
+      - name: Get HTTPScaledObject CRD
+        run: kubectl get crds/httpscaledobjects.http.keda.sh
+
+      - name: Describe HTTPScaledObject CRD
+        run: kubectl describe crds/httpscaledobjects.http.keda.sh
+
+      - name: Validate Interceptor ScaledObject
+        run: |
+          for N in {1..3}
+          do
+            READY=$(kubectl get so/keda-add-ons-http-interceptor -n keda -o jsonpath='{.status.conditions[?(@.type=="Ready")].status}')
+            echo "ScaledObjet is ready: $READY"
+            if [[ "$READY" == "True" ]]; then            
+              exit 0
+            fi
+            sleep 15s
+          done
+          exit 1

http-add-on/README.md

@@ -84,7 +84,7 @@ their default values.
 
 | Parameter | Type | Default | Description |
 |-----------|------|---------|-------------|
-| `additionalLabels` | string | `""` | Additional labels to be applied to installed resources. Note that not all resources will receive these labels. |
+| `additionalLabels` | object | `{}` | Additional labels to be applied to installed resources. Note that not all resources will receive these labels. |
 | `crds.install` | bool | `true` | Whether to install the `HTTPScaledObject` [`CustomResourceDefinition`](https://kubernetes.io/docs/concepts/extend-kubernetes/api-extension/custom-resources/) |
 | `images.interceptor` | string | `"ghcr.io/kedacore/http-add-on-interceptor"` | Image name for the interceptor image component |
 | `images.kubeRbacProxy.name` | string | `"gcr.io/kubebuilder/kube-rbac-proxy"` | Image name for the Kube RBAC Proxy image component |
@@ -98,8 +98,6 @@ their default values.
 
 | Parameter | Type | Default | Description |
 |-----------|------|---------|-------------|
-| `operator.adminPort` | int | `9090` | The port for the operator's admin server to run on |
-| `operator.adminService` | string | `"operator-admin"` | The name of the [`Service`](https://kubernetes.io/docs/concepts/services-networking/service/) for the operator's admin server |
 | `operator.affinity` | object | `{}` | Affinity for pod scheduling ([docs](https://kubernetes.io/docs/tasks/configure-pod-container/assign-pods-nodes-using-node-affinity/)) |
 | `operator.imagePullSecrets` | list | `[]` | The image pull secrets for the operator component |
 | `operator.nodeSelector` | object | `{}` | Node selector for pod scheduling ([docs](https://kubernetes.io/docs/concepts/scheduling-eviction/assign-pod-node/)) |

http-add-on/templates/_helpers.tpl

@@ -3,16 +3,15 @@
 {{/*
 Create chart name and version as used by the chart label.
 */}}
-{{- define "keda-addons-http.chart" -}}
+{{- define "keda-http-add-on.chart" -}}
 {{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
 {{- end -}}
 
 {{/*
 Generate basic labels
 */}}
-{{- define "keda-addons-http.labels" }}
-helm.sh/chart: {{ include "keda-addons-http.chart" . }}
-app.kubernetes.io/component: controller-manager
+{{- define "keda-http-add-on.labels" }}
+helm.sh/chart: {{ include "keda-http-add-on.chart" . }}
 app.kubernetes.io/part-of: {{ .Chart.Name }}
 app.kubernetes.io/managed-by: {{ .Release.Service }}
 app.kubernetes.io/instance: {{ .Release.Name }}

http-add-on/templates/deployment-interceptor.yaml → http-add-on/templates/interceptor/deployment.yaml

@@ -2,42 +2,21 @@ apiVersion: apps/v1
 kind: Deployment
 metadata:
   labels:
-    control-plane: interceptor
-    httpscaledobjects.http.keda.sh/version: {{ .Values.images.tag | default .Chart.AppVersion }}
-    keda.sh/addon: {{ .Chart.Name }}
-    app: {{ .Chart.Name }}
-    name: {{ .Chart.Name }}-interceptor
-    app.kubernetes.io/name: {{ .Chart.Name }}-interceptor
-    app.kubernetes.io/version: {{ .Values.images.tag | default .Chart.AppVersion }}
     app.kubernetes.io/component: interceptor
-    app.kubernetes.io/part-of: {{ .Chart.Name }}
-    app.kubernetes.io/managed-by: {{ .Release.Service }}
-    app.kubernetes.io/instance: {{ .Release.Name }}
-{{ tpl .Values.additionalLabels . | indent 4}}
+    {{- include "keda-http-add-on.labels" . | indent 4 }}
   name: {{ .Chart.Name }}-interceptor
   namespace: {{ .Release.Namespace }}
 spec:
   replicas: {{ .Values.interceptor.replicas.min }}
   selector:
     matchLabels:
-      control-plane: interceptor
-      httpscaledobjects.http.keda.sh/version: {{ .Values.images.tag | default .Chart.AppVersion }}
-      keda.sh/addon: {{ .Chart.Name }}
+      app.kubernetes.io/component: interceptor
+      {{- include "keda-http-add-on.labels" . | indent 6 }}
   template:
     metadata:
       labels:
-        control-plane: interceptor
-        httpscaledobjects.http.keda.sh/version: {{ .Values.images.tag | default .Chart.AppVersion }}
-        keda.sh/addon: {{ .Chart.Name }}
-        app: {{ .Chart.Name }}
-        name: {{ .Chart.Name }}-interceptor
-        app.kubernetes.io/name: {{ .Chart.Name }}-interceptor
-        app.kubernetes.io/version: {{ .Values.images.tag | default .Chart.AppVersion }}
         app.kubernetes.io/component: interceptor
-        app.kubernetes.io/part-of: {{ .Chart.Name }}
-        app.kubernetes.io/managed-by: {{ .Release.Service }}
-        app.kubernetes.io/instance: {{ .Release.Name }}
-    {{ tpl .Values.additionalLabels . | indent 4}}
+        {{- include "keda-http-add-on.labels" . | indent 8 }}
     spec:
       imagePullSecrets: 
         {{- toYaml .Values.interceptor.imagePullSecrets | nindent 8 }}

http-add-on/templates/rbac-interceptor.yml → http-add-on/templates/interceptor/rbac.yml

@@ -2,12 +2,7 @@ apiVersion: rbac.authorization.k8s.io/v1
 kind: ClusterRole
 metadata:
   labels:
-    httpscaledobjects.http.keda.sh/version: {{ .Values.images.tag | default .Chart.AppVersion }}
-    keda.sh/addon: {{ .Chart.Name }}
-    app: {{ .Chart.Name }}
-    name: {{ .Chart.Name }}-interceptor
-    app.kubernetes.io/name: {{ .Chart.Name }}-interceptor
-    {{- include "keda-addons-http.labels" . | indent 4 }}
+    {{- include "keda-http-add-on.labels" . | indent 4 }}
   name: {{ .Chart.Name }}-interceptor
 rules:
 - apiGroups:
@@ -36,7 +31,7 @@ metadata:
     app: {{ .Chart.Name }}
     name: {{ .Chart.Name }}-interceptor
     app.kubernetes.io/name: {{ .Chart.Name }}-interceptor
-    {{- include "keda-addons-http.labels" . | indent 4 }}
+    {{- include "keda-http-add-on.labels" . | indent 4 }}
   name: {{ .Chart.Name }}-interceptor
 roleRef:
   apiGroup: rbac.authorization.k8s.io

http-add-on/templates/scaledobject-interceptor.yaml → http-add-on/templates/interceptor/scaledobject.yaml

@@ -4,6 +4,8 @@ kind: ScaledObject
 metadata:
   name: "{{ .Chart.Name }}-interceptor"
   namespace: {{ .Release.Namespace }}
+  labels:    
+    {{- include "keda-http-add-on.labels" . | indent 4 }}
 spec:
   minReplicaCount: {{ .Values.interceptor.replicas.min }}
   maxReplicaCount: {{ .Values.interceptor.replicas.max }}
@@ -14,5 +16,5 @@ spec:
   triggers:
     - type: external
       metadata:
-        scalerAddress: "{{ .Chart.Name }}-{{ .Values.scaler.service }}:{{ default 9091 .Values.scaler.grpcPort }}"
+        scalerAddress: "{{ .Chart.Name }}-{{ .Values.scaler.service }}.{{ .Release.Namespace }}:{{ default 9091 .Values.scaler.grpcPort }}"
         interceptorTargetPendingRequests: "{{ default 200 .Values.scaler.pendingRequestsInterceptor }}"

http-add-on/templates/interceptor/service-admin.yaml

@@ -0,0 +1,15 @@
+apiVersion: v1
+kind: Service
+metadata:
+  labels:    
+    app.kubernetes.io/component: interceptor-admin
+    {{- include "keda-http-add-on.labels" . | indent 4 }}
+  name: "{{ .Chart.Name }}-{{ .Values.interceptor.admin.service }}"
+  namespace: {{ .Release.Namespace }}
+spec:
+  ports:
+  - name: https
+    port: {{ default 9091 .Values.interceptor.admin.port }}
+    targetPort: inter-admin
+  selector:
+    app.kubernetes.io/component: interceptor

http-add-on/templates/interceptor/service-proxy.yaml

@@ -0,0 +1,15 @@
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    app.kubernetes.io/component: interceptor-proxy
+    {{- include "keda-http-add-on.labels" . | indent 4 }}
+  name: "{{ .Chart.Name }}-{{ .Values.interceptor.proxy.service }}"
+  namespace: {{ .Release.Namespace }}
+spec:
+  ports:
+  - name: http
+    port: {{ default 9091 .Values.interceptor.proxy.port }}
+    targetPort: inter-proxy
+  selector:
+    app.kubernetes.io/component: interceptor

http-add-on/templates/interceptor/serviceaccount.yaml

@@ -0,0 +1,8 @@
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  labels:
+    app.kubernetes.io/component: interceptor
+    {{- include "keda-http-add-on.labels" . | indent 4 }}
+  name: {{ .Chart.Name }}-interceptor
+  namespace: {{ .Release.Namespace }}