first helm test

chart/Chart.yaml

@@ -0,0 +1,13 @@
+name: testapp
+version: 1.0.0
+appVersion: 1.0.0
+description: Kubernetes Test Application
+keywords:
+- go
+- k8s
+- test
+sources:
+- https://git.giftfish.de/ston1th/test
+maintainers:
+- name: ston1th
+  email: ston1th@giftfish.de

chart/templates/deploymant-db.yaml

@@ -0,0 +1,71 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ template "testapp.fullname" . }}-db
+  labels:
+    app: {{ template "testapp.name" . }}-db
+    chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
+    release: "{{ .Release.Name }}"
+    heritage: "{{ .Release.Service }}"
+    component: db
+spec:
+  replicas: {{ .Values.db.replicas }}
+  template:
+    metadata:
+      annotations:
+{{- if .Values.db.annotations }}
+{{ toYaml .Values.db.annotations | indent 8 }}
+{{- end }}
+      labels:
+        app: {{ template "testapp.name" . }}-db
+        release: "{{ .Release.Name }}"
+        component: db
+    spec:
+{{- if .Values.db.schedulerName }}
+      schedulerName: "{{ .Values.db.schedulerName }}"
+{{- end }}
+{{- if .Values.db.affinity }}
+      affinity:
+{{ toYaml .Values.db.affinity | indent 8 }}
+{{- end }}
+{{- if .Values.db.nodeSelector }}
+      nodeSelector:
+{{ toYaml .Values.db.nodeSelector | indent 8 }}
+{{- end }}
+      containers:
+      - name: {{ template "testapp.fullname" . }}-db
+        image: "{{ .Values.images.db.repository }}:{{ .Values.images.db.tag }}"
+        imagePullPolicy: {{ .Values.images.db.pullPolicy }}
+        ports:
+        - name: http
+          containerPort: 8080
+          protocol: TCP
+        env:
+          {{- range $key, $value := .Values.db.env }}
+          - name: {{ $key }}
+            value: {{ $value | quote }}
+          {{- end }}
+        resources:
+{{ toYaml .Values.db.resources | indent 10 }}
+{{- if .Values.db.livenessProbe.enabled }}
+        livenessProbe:
+          httpGet:
+            path: "/healthz"
+            port: http
+          initialDelaySeconds: {{ .Values.db.livenessProbe.initialDelaySeconds }}
+          periodSeconds: {{ .Values.db.livenessProbe.periodSeconds }}
+          timeoutSeconds: {{ .Values.db.livenessProbe.timeoutSeconds }}
+          successThreshold: {{ .Values.db.livenessProbe.successThreshold }}
+          failureThreshold: {{ .Values.db.livenessProbe.failureThreshold }}
+{{- end }}
+{{- if .Values.db.readinessProbe.enabled }}
+        readinessProbe:
+          httpGet:
+            path: "/healthz"
+            port: http
+          initialDelaySeconds: {{ .Values.db.readinessProbe.initialDelaySeconds }}
+          periodSeconds: {{ .Values.db.readinessProbe.periodSeconds }}
+          timeoutSeconds: {{ .Values.db.readinessProbe.timeoutSeconds }}
+          successThreshold: {{ .Values.db.readinessProbe.successThreshold }}
+          failureThreshold: {{ .Values.db.readinessProbe.failureThreshold }}
+{{- end }}

chart/templates/deploymant-srv.yaml

@@ -0,0 +1,73 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ template "testapp.fullname" . }}-srv
+  labels:
+    app: {{ template "testapp.name" . }}-srv
+    chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
+    release: "{{ .Release.Name }}"
+    heritage: "{{ .Release.Service }}"
+    component: srv
+spec:
+  replicas: {{ .Values.srv.replicas }}
+  template:
+    metadata:
+      annotations:
+{{- if .Values.srv.annotations }}
+{{ toYaml .Values.srv.annotations | indent 8 }}
+{{- end }}
+      labels:
+        app: {{ template "testapp.name" . }}-srv
+        release: "{{ .Release.Name }}"
+        component: srv
+    spec:
+{{- if .Values.srv.schedulerName }}
+      schedulerName: "{{ .Values.srv.schedulerName }}"
+{{- end }}
+{{- if .Values.srv.affinity }}
+      affinity:
+{{ toYaml .Values.srv.affinity | indent 8 }}
+{{- end }}
+{{- if .Values.srv.nodeSelector }}
+      nodeSelector:
+{{ toYaml .Values.srv.nodeSelector | indent 8 }}
+{{- end }}
+      containers:
+      - name: {{ template "testapp.fullname" . }}-srv
+        image: "{{ .Values.images.srv.repository }}:{{ .Values.images.srv.tag }}"
+        imagePullPolicy: {{ .Values.images.srv.pullPolicy }}
+        ports:
+        - name: http
+          containerPort: 8080
+          protocol: TCP
+        env:
+          - name: DB_HOST
+            value: {{ template "testapp.fullname" . }}-db.{{ Release.Namespace }}.svc
+          {{- range $key, $value := .Values.srv.env }}
+          - name: {{ $key }}
+            value: {{ $value | quote }}
+          {{- end }}
+        resources:
+{{ toYaml .Values.srv.resources | indent 10 }}
+{{- if .Values.srv.livenessProbe.enabled }}
+        livenessProbe:
+          httpGet:
+            path: "/healthz"
+            port: http
+          initialDelaySeconds: {{ .Values.srv.livenessProbe.initialDelaySeconds }}
+          periodSeconds: {{ .Values.srv.livenessProbe.periodSeconds }}
+          timeoutSeconds: {{ .Values.srv.livenessProbe.timeoutSeconds }}
+          successThreshold: {{ .Values.srv.livenessProbe.successThreshold }}
+          failureThreshold: {{ .Values.srv.livenessProbe.failureThreshold }}
+{{- end }}
+{{- if .Values.srv.readinessProbe.enabled }}
+        readinessProbe:
+          httpGet:
+            path: "/healthz"
+            port: http
+          initialDelaySeconds: {{ .Values.srv.readinessProbe.initialDelaySeconds }}
+          periodSeconds: {{ .Values.srv.readinessProbe.periodSeconds }}
+          timeoutSeconds: {{ .Values.srv.readinessProbe.timeoutSeconds }}
+          successThreshold: {{ .Values.srv.readinessProbe.successThreshold }}
+          failureThreshold: {{ .Values.srv.readinessProbe.failureThreshold }}
+{{- end }}

chart/templates/service-db.yaml

@@ -0,0 +1,25 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ template "drone.fullname" . }}-db
+  annotations:
+  {{- range $key, $value := .Values.Db.service.annotations }}
+    {{ $key }}: {{ $value | quote }}
+  {{- end }}
+  labels:
+    app: {{ template "drone.name" . }}-db
+    chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
+    release: "{{ .Release.Name }}"
+    heritage: "{{ .Release.Service }}"
+spec:
+  type: {{ .Values.Db.service.type }}
+  ports:
+  - name: http
+    port: {{ .Values.Db.service.httpPort }}
+    targetPort: 8080
+{{- if hasKey .Values.Db.service "nodePort" }}
+    nodePort: {{ .Values.Db.service.nodePort }}
+{{- end }}
+  selector:
+    app: {{ template "drone.name" . }}-db
+    release: {{ .Release.Name | quote }}

chart/templates/service-srv.yaml

@@ -0,0 +1,34 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ template "testapp.fullname" . }}-srv
+  annotations:
+    getambassador.io/config: |
+      ---
+      apiVersion: ambassador/v0
+      kind: Mapping
+      name: {{ template "testapp.fullname" . }}-srv_mapping
+      host: "^{{ .Values.srv.host }}.*$"
+      host_regex: true
+      prefix: /
+      service: {{ template "testapp.fullname" . }}-srv.{{ Release.Namespace }}.svc:8080
+  {{- range $key, $value := .Values.service.srv.annotations }}
+    {{ $key }}: {{ $value | quote }}
+  {{- end }}
+  labels:
+    app: {{ template "testapp.name" . }}-srv
+    chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
+    release: "{{ .Release.Name }}"
+    heritage: "{{ .Release.Service }}"
+spec:
+  type: {{ .Values.service.srv.type }}
+  ports:
+  - name: http
+    port: {{ .Values.service.srv.httpPort }}
+    targetPort: 8080
+{{- if hasKey .Values.service.srv "nodePort" }}
+    nodePort: {{ .Values.service.srv.nodePort }}
+{{- end }}
+  selector:
+    app: {{ template "testapp.name" . }}-srv
+    release: {{ .Release.Name | quote }}

chart/values.yaml

@@ -0,0 +1,80 @@
+appVersion: "1.0.0"
+
+images:
+  srv:
+    repository: "127.0.0.1:5000/testapp/srv"
+    tag: 1.0.0
+    pullPolicy: IfNotPresent
+  db:
+    repository: "127.0.0.1:5000/testapp/db"
+    tag: 1.0.0
+    pullPolicy: IfNotPresent
+
+service:
+  srv:
+    httpPort: 80
+    # nodePort: 32015
+    type: ClusterIP
+    # annotations:
+  db:
+    httpPort: 80
+    # nodePort: 32015
+    type: ClusterIP
+    # annotations:
+
+srv:
+  # host: "srv.kube"
+  # env:
+  annotations: {}
+  resources: {}
+  #  requests:
+  #    memory: 32Mi
+  #    cpu: 40m
+  #  limits:
+  #    memory: 2Gi
+  #    cpu: 1
+  livenessProbe:
+    enabled: true
+    failureThreshold: 3
+    initialDelaySeconds: 0
+    periodSeconds: 10
+    successThreshold: 1
+    timeoutSeconds: 1
+  readinessProbe:
+    enabled: true
+    failureThreshold: 3
+    initialDelaySeconds: 0
+    periodSeconds: 10
+    successThreshold: 1
+    timeoutSeconds: 1
+  # schedulerName:
+  affinity: {}
+  nodeSelector: {}
+
+db:
+  # env:
+  annotations: {}
+  resources: {}
+  #  requests:
+  #    memory: 32Mi
+  #    cpu: 40m
+  #  limits:
+  #    memory: 2Gi
+  #    cpu: 1
+  livenessProbe:
+    enabled: true
+    failureThreshold: 3
+    initialDelaySeconds: 0
+    periodSeconds: 10
+    successThreshold: 1
+    timeoutSeconds: 1
+  readinessProbe:
+    enabled: true
+    failureThreshold: 3
+    initialDelaySeconds: 0
+    periodSeconds: 10
+    successThreshold: 1
+    timeoutSeconds: 1
+  # schedulerName:
+  affinity: {}
+  nodeSelector: {}

srv.go

@@ -27,9 +27,7 @@ func main() {
 			http.Error(w, err.Error(), http.StatusInternalServerError)
 			return
 		}
-		//url := "http://" + os.Getenv("DB_SERVICE_HOST") + ":" + os.Getenv("DB_SERVICE_PORT")
+		url := "http://" + os.Getenv("DB_HOST")
-		//url := "http://testapp-db.default.svc.cluster.local:8080"
-		url := "http://testapp-db:8080"
 		c := &http.Client{Transport: &http.Transport{
 			DialContext: (&net.Dialer{
 				Timeout: 5 * time.Second,