Add podinfo chart for GitOps testing

fluxcd · Oct 1, 2018 · 26500e9 · 26500e9
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diff --git a/chart/steerer/.helmignore → charts/podinfo-steerer/.helmignore b/chart/steerer/.helmignore → charts/podinfo-steerer/.helmignore
diff --git a/charts/podinfo-steerer/Chart.yaml b/charts/podinfo-steerer/Chart.yaml
@@ -0,0 +1,12 @@
+apiVersion: v1
+version: 1.2.1
+appVersion: 1.2.1
+engine: gotpl
+name: podinfo-steerer
+description: Podinfo Helm chart for Steerer progressive delivery
+home: https://github.com/stefanprodan/k8s-podinfo
+maintainers:
+- email: stefanprodan@users.noreply.github.com
+  name: stefanprodan
+sources:
+- https://github.com/stefanprodan/steerer
diff --git a/charts/podinfo-steerer/README.md b/charts/podinfo-steerer/README.md
@@ -0,0 +1,56 @@
+# Podinfo Istio
+
+Podinfo is a tiny web application made with Go 
+that showcases best practices of running microservices in Kubernetes.
+
+## Installing the Chart
+
+Create an Istio enabled namespace:
+
+```console
+kubectl create namespace test
+kubectl label namespace test istio-injection=enabled
+```
+
+Create an Istio Gateway in the `istio-system` namespace named `public-gateway`:
+
+```yaml
+apiVersion: networking.istio.io/v1alpha3
+kind: Gateway
+metadata:
+  name: public-gateway
+  namespace: istio-system
+spec:
+  selector:
+    istio: ingressgateway
+  servers:
+  - port:
+      number: 80
+      name: http
+      protocol: HTTP
+    hosts:
+    - "*"
+    tls:
+      httpsRedirect: true
+  - port:
+      number: 443
+      name: https
+      protocol: HTTPS
+    hosts:
+    - "*"
+    tls:
+      mode: SIMPLE
+      privateKey: /etc/istio/ingressgateway-certs/tls.key
+      serverCertificate: /etc/istio/ingressgateway-certs/tls.crt
+```
+
+Create the `frontend` release by specifying the external domain name:
+
+```console
+helm upgrade frontend -i ./charts/podinfo-steerer \
+  --namespace=test \
+  --set gateway.enabled=true \
+  --set gateway.host=podinfo.example.com 
+```
+
+
diff --git a/charts/podinfo-steerer/templates/NOTES.txt b/charts/podinfo-steerer/templates/NOTES.txt
@@ -0,0 +1 @@
+ {{ template "podinfo-steerer.fullname" . }} has been deployed successfully!
diff --git a/charts/podinfo-steerer/templates/_helpers.tpl b/charts/podinfo-steerer/templates/_helpers.tpl
@@ -0,0 +1,36 @@
+{{/* vim: set filetype=mustache: */}}
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "podinfo-steerer.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Create a default fully qualified app name.
+We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
+The release name is used as a full name.
+*/}}
+{{- define "podinfo-steerer.fullname" -}}
+{{- if .Values.fullnameOverride -}}
+{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- .Release.Name | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+{{- end -}}
+
+{{- define "podinfo-steerer.primary" -}}
+{{- printf "%s-%s" .Release.Name "primary" | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{- define "podinfo-steerer.canary" -}}
+{{- printf "%s-%s" .Release.Name "canary" | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Create chart name and version as used by the chart label.
+*/}}
+{{- define "podinfo-steerer.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
diff --git a/charts/podinfo-steerer/templates/canary-deployment.yaml b/charts/podinfo-steerer/templates/canary-deployment.yaml
@@ -0,0 +1,63 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ template "podinfo-steerer.canary" . }}
+  labels:
+    app: {{ template "podinfo-steerer.fullname" . }}
+    chart: {{ template "podinfo-steerer.chart" . }}
+    release: {{ .Release.Name }}
+    heritage: {{ .Release.Service }}
+spec:
+  strategy:
+    type: RollingUpdate
+    rollingUpdate:
+      maxUnavailable: 0
+  selector:
+    matchLabels:
+      app: {{ template "podinfo-steerer.canary" . }}
+  template:
+    metadata:
+      labels:
+        app: {{ template "podinfo-steerer.canary" . }}
+      annotations:
+        prometheus.io/scrape: "true"
+    spec:
+      terminationGracePeriodSeconds: 30
+      containers:
+        - name: podinfod
+          image: "{{ .Values.canary.repository }}:{{ .Values.canary.tag }}"
+          imagePullPolicy: {{ .Values.imagePullPolicy }}
+          command:
+            - ./podinfo
+            - --port={{ .Values.containerPort }}
+            - --level={{ .Values.logLevel }}
+          env:
+          - name: PODINFO_UI_COLOR
+            value: green
+          ports:
+            - name: http
+              containerPort: {{ .Values.containerPort }}
+              protocol: TCP
+          livenessProbe:
+            exec:
+              command:
+              - podcli
+              - check
+              - http
+              - localhost:{{ .Values.containerPort }}/healthz
+          readinessProbe:
+            exec:
+              command:
+              - podcli
+              - check
+              - http
+              - localhost:{{ .Values.containerPort }}/readyz
+            periodSeconds: 3
+          volumeMounts:
+          - name: data
+            mountPath: /data
+          resources:
+{{ toYaml .Values.resources | indent 12 }}
+      volumes:
+      - name: data
+        emptyDir: {}
diff --git a/charts/podinfo-steerer/templates/canary-hpa.yaml b/charts/podinfo-steerer/templates/canary-hpa.yaml
@@ -0,0 +1,21 @@
+apiVersion: autoscaling/v2beta1
+kind: HorizontalPodAutoscaler
+metadata:
+  name: {{ template "podinfo-steerer.canary" . }}
+  labels:
+    app: {{ template "podinfo-steerer.fullname" . }}
+    chart: {{ template "podinfo-steerer.chart" . }}
+    release: {{ .Release.Name }}
+    heritage: {{ .Release.Service }}
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: {{ template "podinfo-steerer.canary" . }}
+  minReplicas: {{ .Values.hpa.minReplicas }}
+  maxReplicas: {{ .Values.hpa.maxReplicas }}
+  metrics:
+  - type: Resource
+    resource:
+      name: cpu
+      targetAverageUtilization: {{ .Values.hpa.targetAverageUtilization }}
diff --git a/charts/podinfo-steerer/templates/canary-service.yaml b/charts/podinfo-steerer/templates/canary-service.yaml
@@ -0,0 +1,18 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ template "podinfo-steerer.canary" . }}
+  labels:
+    app: {{ template "podinfo-steerer.fullname" . }}
+    chart: {{ template "podinfo-steerer.chart" . }}
+    release: {{ .Release.Name }}
+    heritage: {{ .Release.Service }}
+spec:
+  type: ClusterIP
+  ports:
+    - port: {{ .Values.containerPort }}
+      targetPort: http
+      protocol: TCP
+      name: http
+  selector:
+    app: {{ template "podinfo-steerer.canary" . }}
diff --git a/charts/podinfo-steerer/templates/primary-deployment.yaml b/charts/podinfo-steerer/templates/primary-deployment.yaml
@@ -0,0 +1,63 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ template "podinfo-steerer.primary" . }}
+  labels:
+    app: {{ template "podinfo-steerer.fullname" . }}
+    chart: {{ template "podinfo-steerer.chart" . }}
+    release: {{ .Release.Name }}
+    heritage: {{ .Release.Service }}
+spec:
+  strategy:
+    type: RollingUpdate
+    rollingUpdate:
+      maxUnavailable: 0
+  selector:
+    matchLabels:
+      app: {{ template "podinfo-steerer.primary" . }}
+  template:
+    metadata:
+      labels:
+        app: {{ template "podinfo-steerer.primary" . }}
+      annotations:
+        prometheus.io/scrape: "true"
+    spec:
+      terminationGracePeriodSeconds: 30
+      containers:
+        - name: podinfod
+          image: "quay.io/stefanprodan/podinfo:1.1.1"
+          imagePullPolicy: {{ .Values.imagePullPolicy }}
+          command:
+            - ./podinfo
+            - --port={{ .Values.containerPort }}
+            - --level={{ .Values.logLevel }}
+          env:
+          - name: PODINFO_UI_COLOR
+            value: blue
+          ports:
+            - name: http
+              containerPort: {{ .Values.containerPort }}
+              protocol: TCP
+          livenessProbe:
+            exec:
+              command:
+              - podcli
+              - check
+              - http
+              - localhost:{{ .Values.containerPort }}/healthz
+          readinessProbe:
+            exec:
+              command:
+              - podcli
+              - check
+              - http
+              - localhost:{{ .Values.containerPort }}/readyz
+            periodSeconds: 3
+          volumeMounts:
+          - name: data
+            mountPath: /data
+          resources:
+{{ toYaml .Values.resources | indent 12 }}
+      volumes:
+      - name: data
+        emptyDir: {}
diff --git a/charts/podinfo-steerer/templates/primary-hpa.yaml b/charts/podinfo-steerer/templates/primary-hpa.yaml
@@ -0,0 +1,21 @@
+apiVersion: autoscaling/v2beta1
+kind: HorizontalPodAutoscaler
+metadata:
+  name: {{ template "podinfo-steerer.primary" . }}
+  labels:
+    app: {{ template "podinfo-steerer.fullname" . }}
+    chart: {{ template "podinfo-steerer.chart" . }}
+    release: {{ .Release.Name }}
+    heritage: {{ .Release.Service }}
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: {{ template "podinfo-steerer.primary" . }}
+  minReplicas: {{ .Values.hpa.minReplicas }}
+  maxReplicas: {{ .Values.hpa.maxReplicas }}
+  metrics:
+  - type: Resource
+    resource:
+      name: cpu
+      targetAverageUtilization: {{ .Values.hpa.targetAverageUtilization }}
diff --git a/charts/podinfo-steerer/templates/primary-service.yaml b/charts/podinfo-steerer/templates/primary-service.yaml
@@ -0,0 +1,18 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ template "podinfo-steerer.primary" . }}
+  labels:
+    app: {{ template "podinfo-steerer.fullname" . }}
+    chart: {{ template "podinfo-steerer.chart" . }}
+    release: {{ .Release.Name }}
+    heritage: {{ .Release.Service }}
+spec:
+  type: ClusterIP
+  ports:
+  - port: {{ .Values.containerPort }}
+    targetPort: http
+    protocol: TCP
+    name: http
+  selector:
+    app: {{ template "podinfo-steerer.primary" . }}
diff --git a/charts/podinfo-steerer/templates/virtual-service.yaml b/charts/podinfo-steerer/templates/virtual-service.yaml
@@ -0,0 +1,30 @@
+apiVersion: networking.istio.io/v1alpha3
+kind: VirtualService
+metadata:
+  name: {{ template "podinfo-steerer.fullname" . }}
+  labels:
+    app: {{ template "podinfo-steerer.fullname" . }}
+    chart: {{ template "podinfo-steerer.chart" . }}
+    release: {{ .Release.Name }}
+    heritage: {{ .Release.Service }}
+spec:
+  hosts:
+    - {{ template "podinfo-steerer.fullname" . }}
+{{- if .Values.gateway.enabled }}
+    - {{ .Values.gateway.host }}
+  gateways:
+  - {{ .Values.gateway.name }}
+{{- end }}
+  http:
+  - route:
+    - destination:
+        host: {{ template "podinfo-steerer.primary" . }}
+        port:
+          number: {{ .Values.containerPort }}
+      weight: 100
+    - destination:
+        host: {{ template "podinfo-steerer.canary" . }}
+        port:
+          number: {{ .Values.containerPort }}
+      weight: 0
+    timeout: {{ .Values.timeout }}
diff --git a/charts/podinfo-steerer/values.yaml b/charts/podinfo-steerer/values.yaml
@@ -0,0 +1,30 @@
+# Default values for podinfo-steerer.
+
+canary:
+  repository: quay.io/stefanprodan/podinfo
+  tag: "1.2.0"
+
+# enable the gateway when exposing the service outside the cluster
+gateway:
+  enabled: false
+  name: public-gateway.istio-system.svc.cluster.local
+  # external domain name
+  host:
+
+hpa:
+  minReplicas: 2
+  maxReplicas: 4
+  targetAverageUtilization: 99
+
+timeout: 30s
+logLevel: info
+containerPort: 9898
+imagePullPolicy: IfNotPresent
+
+resources:
+  limits:
+    cpu: 2000m
+    memory: 512Mi
+  requests:
+    cpu: 100m
+    memory: 64Mi
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		{{ template "podinfo-steerer.fullname" . }} has been deployed successfully!