add single service kluctl example

Author: sidpalas

12-deploying-to-multiple-environments/helm/Taskfile.yaml

@@ -3,17 +3,17 @@ version: "3"
 tasks:
   template-default:
     cmds:
-      - helm template ./api-golang-helm-chart
+      - helm template ./api-golang-helm-chart | yq
     desc: "Render chart yaml with default values"
 
   template-staging:
     cmds:
-      - helm template ./api-golang-helm-chart --values=./api-golang-helm-chart/values.staging.yaml
+      - helm template ./api-golang-helm-chart --values=./api-golang-helm-chart/values.staging.yaml  | yq
     desc: "Render chart yaml with staging values file"
 
   template-production:
     cmds:
-      - helm template ./api-golang-helm-chart --values=./api-golang-helm-chart/values.production.yaml
+      - helm template ./api-golang-helm-chart --values=./api-golang-helm-chart/values.production.yaml  | yq
     desc: "Render chart yaml with production values file"
 
   package:
@@ -24,8 +24,10 @@ tasks:
   push:
     cmds:
       - helm push api-golang-helm-chart-0.1.0.tgz oci://registry-1.docker.io/sidpalas
+    desc: "Push the helm chart to an oci registry"
 
   build-push:
     cmds:
       - task: build
       - task: push
+    desc: "Build & Push the helm chart to an oci registry"

12-deploying-to-multiple-environments/kluctl-single-service/.kluctl.yaml

@@ -0,0 +1,17 @@
+targets:
+  - name: staging
+    args:
+      environment: staging
+    # Adding a context to .kluctl.yaml helps prevent accidentally deploying to the wrong cluster!
+    context: devops-directive-kubernetes-course
+
+  - name: production
+    args:
+      environment: production
+    # Adding a context to .kluctl.yaml helps prevent accidentally deploying to the wrong cluster!
+    context: gke_kubernetes-course-424917_us-central1-a_devops-directive-kubernetes-course
+
+args:
+  - name: environment
+
+discriminator: kluctl-{{ target.name }}

12-deploying-to-multiple-environments/kluctl-single-service/README.md

@@ -0,0 +1,37 @@
+version: "3"
+
+tasks:
+  helm-pull:
+    cmds:
+      - kluctl helm-pull
+    desc: "Pre-pull helm charts"
+
+  render-staging:
+    cmds:
+      - kluctl render -t staging --print-all | yq
+    desc: "Render resource yaml with staging values"
+
+  deploy-staging:
+    cmds:
+      - kluctl deploy -t staging
+    desc: "Deploy staging configuration"
+
+  delete-staging:
+    cmds:
+      - kluctl delete -t staging
+    desc: "Render resource yaml with staging values"
+
+  render-production:
+    cmds:
+      - kluctl render -t production --print-all | yq
+    desc: "Render resource yaml with production values"
+
+  deploy-production:
+    cmds:
+      - kluctl deploy -t production
+    desc: "Deploy production configuration"
+
+  delete-production:
+    cmds:
+      - kluctl delete -t production
+    desc: "Render resource yaml with production values"

12-deploying-to-multiple-environments/kluctl-single-service/Taskfile.yaml

@@ -0,0 +1,2 @@
+sharedVars:
+  hostName: "kubernetes-course.devopsdirective.com"

12-deploying-to-multiple-environments/kluctl-single-service/config/production.yaml

@@ -0,0 +1,2 @@
+sharedVars:
+  hostName: "kubernetes-course-staging.devopsdirective.com"

12-deploying-to-multiple-environments/kluctl-single-service/config/staging.yaml

@@ -0,0 +1,10 @@
+vars:
+  - file: config/{{ args.environment }}.yaml
+
+deployments:
+  - path: namespaces
+  - barrier: true
+  - include: services
+
+commonLabels:
+  devopsdirective.com/course: "kubernetes-course"

12-deploying-to-multiple-environments/kluctl-single-service/deployment.yaml

@@ -0,0 +1,4 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: demo-app

12-deploying-to-multiple-environments/kluctl-single-service/namespaces/Namespace.demo-app.yaml

@@ -0,0 +1,3 @@
+apiGolang:
+  version: 0.3.0 # PRODUCTION_IMAGE_TAG
+  replicas: 2

12-deploying-to-multiple-environments/kluctl-single-service/services/api-golang/config/production.yaml

@@ -0,0 +1,3 @@
+apiGolang:
+  version: 0.3.0-2-g29b7fb5 # STAGING_IMAGE_TAG
+  replicas: 1