Updated backstage scripts and helm charts

Author: adityasinghal26

deployment/kubernetes/backstage/create-backstage.sh

@@ -2,13 +2,6 @@
 
 ## The script is currently not usable. The below commands need to be corrected and finalised.
 
-# Create backstage namespace in local cluster
-kubectl create ns backstage
-
-# Package postgres helm chart and install the same in backstage namespace
-helm package deployment/kubernetes/postgres/helm/
-helm -n backstage upgrade --install postgres postgres-0.1.0.tgz
-
 # Copy latest app-config.yaml to backstage101 folder and dockerfile to packages/backend folder
 # This step was already completed.
 
@@ -20,19 +13,3 @@ yarn tsc
 # Build backstage backend app with the latest app-config.yaml file
 cd $CODESPACE_VSCODE_FOLDER/backstage-app/backstage101/packages/backend
 yarn build backend --config ../../app-config.yaml
-
-# Build docker image with the latest build backend artefacts
-cd $CODESPACE_VSCODE_FOLDER
-# docker image build . -f packages/backend/Dockerfile --tag backstage:0.1.0 from backstage101 folder
-docker image build backstage-app/backstage101/ -f deployment/kubernetes/backstage/docker/Dockerfile --tag localhost:5001/backstage:0.2.0
-
-# Push the latest docker image to local image registry
-docker push localhost:5001/backstage:0.2.0
-
-# Package backstage helm chart and install the same in backstage namespace
-helm package deployment/kubernetes/backstage/helm/
-helm -n backstage upgrade --install backstage backstage-0.2.0.tgz
-
-# Setup a port-forward from backstage:80 to localhost:8000
-kubectl -n backstage port-forward svc/backstage 8000:80
-

deployment/kubernetes/backstage/deploy-backstage.sh

@@ -0,0 +1,22 @@
+# Passing build tag as the first argument
+BUILD_TAG=$1
+IMAGE_REG="localhost:5001"
+IMAGE_REP="backstage"
+
+# Build docker image with the latest build backend artefacts
+cd $CODESPACE_VSCODE_FOLDER
+docker image build backstage-app/backstage101/ -f deployment/kubernetes/backstage/docker/Dockerfile --tag $IMAGE_REG/$IMAGE_REP:$BUILD_TAG
+
+# Push the latest docker image to local image registry
+docker push $IMAGE_REG/$IMAGE_REP:$BUILD_TAG
+
+# Create backstage namespace in local cluster
+# Added as part of helm arguments, hence not required
+# kubectl create ns backstage
+
+# Package backstage helm chart and install the same in backstage namespace
+helm package deployment/kubernetes/backstage/helm/ --version $BUILD_TAG
+helm -n backstage upgrade --install backstage backstage-$BUILD_TAG.tgz --set image.tag=$BUILD_TAG --create-namespace --wait
+
+# Setup a port-forward from backstage:80 to localhost:8000
+kubectl -n backstage port-forward svc/backstage 8000:80

deployment/kubernetes/backstage/helm/templates/backstage-secret.yaml

@@ -1,31 +1,31 @@
 # kubernetes/backstage.yaml
-apiVersion: apps/v1
+apiVersion: {{ .Values.deployment.apiVersion }}
 kind: Deployment
 metadata:
-  name: backstage
-  namespace: backstage
+  name: {{ .Values.deployment.name }}
+  namespace: {{ .Values.namespace }}
 spec:
-  replicas: 1
+  replicas: {{ .Values.deployment.replicas }}
   selector:
     matchLabels:
-      app: backstage
+      app: {{ .Values.deployment.name }}
   template:
     metadata:
       labels:
-        app: backstage
+        app: {{ .Values.deployment.name }}
     spec:
       containers:
-        - name: backstage
-          image: localhost:5001/backstage:0.2.0
+        - name: {{ .Values.container.name }}
+          image: {{ .Values.image.registry }}/{{ .Values.image.repository }}:{{ .Values.image.tag }}
           imagePullPolicy: IfNotPresent
           ports:
             - name: http
-              containerPort: 7007
+              containerPort: {{ .Values.container.port }}
           envFrom:
             - secretRef:
-                name: postgres-secrets
+                name: {{ .Values.secrets.postgres }}
             - secretRef:
-                name: backstage-secrets
+                name: {{ .Values.secrets.backstage }}
 # Uncomment if health checks are enabled in your app:
 # https://backstage.io/docs/plugins/observability#health-checks
 #          readinessProbe:

deployment/kubernetes/backstage/helm/templates/backstage-service.yaml

@@ -0,0 +1,9 @@
+# kubernetes/backstage-secrets.yaml
+apiVersion: v1
+kind: Secret
+metadata:
+  name: {{ .Values.secrets.backstage }}
+  namespace: {{ .Values.namespace }}
+type: Opaque
+stringData:
+  GITHUB_TOKEN: {{ .Values.secrets.ghToken }}

deployment/kubernetes/backstage/helm/templates/deployment.yaml

@@ -0,0 +1,13 @@
+# kubernetes/backstage-service.yaml
+apiVersion: {{ .Values.service.apiVersion }}
+kind: Service
+metadata:
+  name: {{ .Values.service.name }}
+  namespace: {{ .Values.namespace }}
+spec:
+  selector:
+    app: {{ .Values.deployment.name }}
+  ports:
+    - name: http
+      port: {{ .Values.service.port }}
+      targetPort: {{ .Values.service.targetPort }}

deployment/kubernetes/backstage/helm/templates/secret.yaml

@@ -0,0 +1,25 @@
+namespace: 'backstage'
+service:
+  apiVersion: 'v1'
+  name: 'backstage'
+  port: '80'
+  targetPort: 'http'
+
+deployment:
+  apiVersion: 'apps/v1'
+  name: 'backstage'
+  replicas: '1'
+
+image:
+  registry: 'localhost:5001'
+  repository: 'backstage'
+  tag: '0.1.0'
+
+container:
+  name: 'backstage'
+  port: '7007'
+
+secrets:
+  backstage: 'backstage-secrets'
+  postgres: 'postgres-secrets'
+  ghToken: 'dummy'