[helm] feat: add helm code.

Author: guangzhengli

helm-hello/.helmignore hello-helm/.helmignorehelm-hello/.helmignore renamed to hello-helm/.helmignore

@@ -1,6 +1,6 @@
 apiVersion: v2
-name: helm-hello
-description: A Helm chart for Kubernetes
+name: hello-helm
+description: A helm tutorial in https://github.com/guangzhengli/kubernetes_workshop
 
 # A chart can be either an 'application' or a 'library' chart.
 #

helm-hello/Chart.yaml hello-helm/Chart.yamlhelm-hello/Chart.yaml renamed to hello-helm/Chart.yaml

@@ -3,4 +3,4 @@ kind: ConfigMap
 metadata:
   name: hellok8s-config
 data:
-  MESSAGE: {{ .Values.hellok8s.message }}
+  DB_URL: "http://DB_ADDRESS_DEV"

helm-hello/_helpers.tpl hello-helm/_helpers.tplhelm-hello/_helpers.tpl renamed to hello-helm/_helpers.tpl

@@ -1,9 +1,9 @@
 apiVersion: apps/v1
 kind: Deployment
 metadata:
-  name: hellok8s
+  name: hellok8s-deployment
 spec:
-  replicas: 2
+  replicas: 3
   selector:
     matchLabels:
       app: hellok8s
@@ -12,16 +12,12 @@ spec:
       labels:
         app: hellok8s
     spec:
-      volumes:
-        - name: config
-          configMap:
-            name: hellok8s-config
       containers:
         - image: guangzhengli/hellok8s:v4
           name: hellok8s-container
           env:
-            - name: MESSAGE
+            - name: DB_URL
               valueFrom:
                 configMapKeyRef:
                   name: hellok8s-config
-                  key: MESSAGE
+                  key: DB_URL

…hello/templates/hellok8s-configmaps.yaml …-helm/templates/hellok8s-configmaps.yamlhelm-hello/templates/hellok8s-configmaps.yaml renamed to hello-helm/templates/hellok8s-configmaps.yaml helm-hello/templates/hellok8s-configmaps.yaml renamed to hello-helm/templates/hellok8s-configmaps.yaml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: service-hellok8s-clusterip
+spec:
+  type: ClusterIP
+  selector:
+    app: hellok8s
+  ports:
+  - port: 3000
+    targetPort: 3000

…hello/templates/hellok8s-deployment.yaml …-helm/templates/hellok8s-deployment.yamlhelm-hello/templates/hellok8s-deployment.yaml renamed to hello-helm/templates/hellok8s-deployment.yaml helm-hello/templates/hellok8s-deployment.yaml renamed to hello-helm/templates/hellok8s-deployment.yaml

@@ -10,17 +10,17 @@ spec:
   rules:
     - http:
         paths:
-          - path: /
+          - path: /hello
             pathType: Prefix
             backend:
               service:
-                name: nginx-svc
+                name: service-hellok8s-clusterip
                 port:
-                  number: 1234
-          - path: /hello
+                  number: 3000
+          - path: /
             pathType: Prefix
             backend:
               service:
-                name: hellok8s-svc
+                name: service-nginx-clusterip
                 port:
-                  number: 4567
+                  number: 4000

hello-helm/templates/hellok8s-service.yaml

@@ -1,7 +1,7 @@
 apiVersion: apps/v1
 kind: Deployment
 metadata:
-  name: nginx
+  name: nginx-deployment
 spec:
   replicas: 2
   selector:
@@ -13,5 +13,5 @@ spec:
         app: nginx
     spec:
       containers:
-        - image: nginx
-          name: nginx-container
+      - image: nginx
+        name: nginx-container

helm-hello/templates/ingress.yaml hello-helm/templates/ingress.yamlhelm-hello/templates/ingress.yaml renamed to hello-helm/templates/ingress.yaml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: service-nginx-clusterip
+spec:
+  type: ClusterIP
+  selector:
+    app: nginx
+  ports:
+  - port: 4000
+    targetPort: 80