refactor(main): add test helm chart example

Signed-off-by: cuisongliu <cuisongliu@qq.com>

tests/zot/.helmignore

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+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*.orig
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/

tests/zot/Chart.yaml

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+apiVersion: v2
+appVersion: VERSION
+description: A Helm chart for Kubernetes
+name: zot
+type: application
+version: 0.1.22

tests/zot/templates/NOTES.txt

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+Get the application URL by running these commands:
+export ZOT_PORT=$(kubectl get --namespace zot -o jsonpath="{.spec.ports[0].port}" services zot)
+export ZOT_IP=$(kubectl get --namespace zot -o jsonpath="{.spec.clusterIP}" services zot)
+echo "https://$ZOT_IP:$ZOT_PORT"
+You can now access your application using helm.
+
+helm registry login $ZOT_IP:$ZOT_PORT --insecure -u user -p user
+helm  push  zot-0.1.22.tgz  oci://$ZOT_IP:$ZOT_PORT --insecure-skip-tls-verify
+helm  pull  oci://$ZOT_IP:$ZOT_PORT/zot --version 0.1.22 --insecure-skip-tls-verify=true
+
+Using svc address: helm registry login {{ include "zot.fullname" . }}.{{.Release.Namespace}}.svc.cluster.local:{{.Values.service.port}} --insecure -u user -p user
+
+You can push your all helm chart for your zot registry.
+
+sealos run labring/zot-upload:main -f

tests/zot/templates/_helpers.tpl

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+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "zot.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).
+If release name contains chart name it will be used as a full name.
+*/}}
+{{- define "zot.fullname" -}}
+{{- if .Values.fullnameOverride }}
+{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" }}
+{{- else }}
+{{- $name := default .Chart.Name .Values.nameOverride }}
+{{- if contains $name .Release.Name }}
+{{- .Release.Name | trunc 63 | trimSuffix "-" }}
+{{- else }}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" }}
+{{- end }}
+{{- end }}
+{{- end }}
+
+{{/*
+Create chart name and version as used by the chart label.
+*/}}
+{{- define "zot.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Common labels
+*/}}
+{{- define "zot.labels" -}}
+helm.sh/chart: {{ include "zot.chart" . }}
+{{ include "zot.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+{{/*
+Selector labels
+*/}}
+{{- define "zot.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "zot.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}
+
+{{/*
+Create the name of the service account to use
+*/}}
+{{- define "zot.serviceAccountName" -}}
+{{- if .Values.serviceAccount.create }}
+{{- default (include "zot.fullname" .) .Values.serviceAccount.name }}
+{{- else }}
+{{- default "default" .Values.serviceAccount.name }}
+{{- end }}
+{{- end }}

tests/zot/templates/check-hook.yaml

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+apiVersion: batch/v1
+kind: Job
+metadata:
+  name: "{{ .Release.Name }}-cert-manager-check"
+  annotations:
+    "helm.sh/hook": pre-install,pre-upgrade
+    "helm.sh/hook-weight": "-5"
+    "helm.sh/hook-delete-policy": hook-succeeded
+spec:
+  template:
+    metadata:
+      name: "{{ .Release.Name }}-cert-manager-check"
+      labels:
+        app: "{{ .Chart.Name }}"
+        release: "{{ .Release.Name }}"
+    spec:
+      restartPolicy: Never
+      containers:
+        - name: cert-manager-check
+          image: busybox:latest
+          command: ["sh", "-c", "until echo exit | telnet cert-manager-webhook.cert-manager.svc 443; do echo waiting for cert-manager; sleep 10; done;"]

tests/zot/templates/configmap.yaml

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+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ .Release.Name }}-config
+data:
+  config.json: |-
+    {
+      "storage": {
+        "rootDirectory": "/var/lib/registry",
+        "gc": true,
+        "gcDelay": "1h",
+        "gcInterval": "24h",
+        "storageDriver": {{ toJson .Values.s3  }}
+      },
+      "http": {
+        "address": "0.0.0.0",
+        "port": "5000",
+        {{if .Values.tlsEnable}}
+        "tls": {
+          "cert":"/tmp/serving-certs/tls.crt",
+          "key":"/tmp/serving-certs/tls.key",
+          "caCert":"/tmp/serving-certs/ca.crt"
+        },
+        {{end}}
+        "realm":"zot",
+        "auth":{
+          "htpasswd":{
+            "path":"/etc/zot/htpasswd"
+          },
+          "failDelay":1
+        },
+        "accessControl": {{ toJson .Values.accessControl  }}
+      },
+      "log": { "level": "debug" },
+      "extensions": {
+        {{if .Values.prometheusEnable}}
+        "metrics": {
+          "enable": true,
+          "prometheus": {
+            "path": "/metrics"
+          }
+        },
+        {{end}}
+        "search": {
+          "enable": true,
+          "cve": {
+            "updateInterval": "2h"
+          }
+        },
+        "scrub": {
+          "enable": true,
+          "interval": "24h"
+        }
+      }
+    }

tests/zot/templates/deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "zot.fullname" . }}
+  labels:
+    {{- include "zot.labels" . | nindent 4 }}
+spec:
+  replicas: {{ .Values.replicaCount }}
+  selector:
+    matchLabels:
+      {{- include "zot.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+      annotations:
+        checksum/configmap: {{ include (print $.Template.BasePath "/configmap.yaml") . | sha256sum }}
+        {{- with .Values.podAnnotations }}
+        {{- toYaml . | nindent 8 }}
+        {{- end }}
+      labels:
+        {{- include "zot.selectorLabels" . | nindent 8 }}
+    spec:
+      {{- with .Values.imagePullSecrets }}
+      imagePullSecrets:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      serviceAccountName: {{ include "zot.serviceAccountName" . }}
+      securityContext:
+        {{- toYaml .Values.podSecurityContext | nindent 8 }}
+      containers:
+        - name: {{ .Chart.Name }}
+          securityContext:
+            {{- toYaml .Values.securityContext | nindent 12 }}
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          ports:
+            - name: zot
+              containerPort: 5000
+              protocol: TCP
+          volumeMounts:
+            - mountPath: /tmp/serving-certs
+              name: cert
+              readOnly: true
+            - mountPath: '/etc/zot/htpasswd'
+              name: {{ .Release.Name }}-secret
+              subPath: htpasswd
+            - mountPath: '/etc/zot/config.json'
+              name: {{ .Release.Name }}-config
+              subPath: config.json
+            - mountPath: '/var/lib/registry'
+              name: {{ .Release.Name }}-volume
+          livenessProbe:
+            httpGet:
+              path: /v2/
+              port: 5000
+              scheme: HTTPS
+              httpHeaders:
+                - name: Authorization
+                  value: Basic {{ printf "%s:%s" .Values.authHeaderUser .Values.authHeaderPassword | b64enc }}
+          readinessProbe:
+            httpGet:
+              path: /v2/
+              port: 5000
+              scheme: HTTPS
+              httpHeaders:
+                - name: Authorization
+                  value: Basic {{ printf "%s:%s" .Values.authHeaderUser .Values.authHeaderPassword | b64enc }}
+          resources:
+            {{- toYaml .Values.resources | nindent 12 }}
+      volumes:
+        - name: cert
+          secret:
+            defaultMode: 420
+            secretName: {{.Values.tlsSecretName}}
+        - name: {{ .Release.Name }}-config
+          configMap:
+            name: {{ .Release.Name }}-config
+        - name: {{ .Release.Name }}-secret
+          secret:
+            secretName: {{ .Release.Name }}-secret
+        - name: {{ .Release.Name }}-volume
+          persistentVolumeClaim:
+            claimName: {{ .Values.pvc.name | default (printf "%s-pvc" .Release.Name) }}
+      {{- with .Values.nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.affinity }}
+      affinity:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}

tests/zot/templates/monitor.yaml

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+{{if .Values.prometheusEnable }}
+# Prometheus Monitor Service (Metrics)
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  name: {{ include "zot.fullname" . }}
+  labels:
+    {{- include "zot.labels" . | nindent 4 }}
+spec:
+  endpoints:
+    - path: /metrics
+      port: zot
+      scheme: https
+      basicAuth:
+        password:
+          name: {{ .Release.Name }}-secret-user
+          key: username
+        username:
+          name: {{ .Release.Name }}-secret-user
+          key: password
+      tlsConfig:
+        insecureSkipVerify: true
+  selector:
+    matchLabels:
+      {{- include "zot.labels" . | nindent 4 }}
+{{end}}

tests/zot/templates/pvc.yaml

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+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: {{ .Values.pvc.name | default (printf "%s-pvc" .Release.Name) }}
+spec:
+  accessModes:
+  - {{ .Values.pvc.accessMode | default "ReadWriteOnce" }}
+  resources:
+    requests:
+      storage: {{ .Values.pvc.storage | default "8Gi" }}
+  {{- if .Values.pvc.storageClassName }}
+  storageClassName: {{ .Values.pvc.storageClassName }}
+  {{- end }}

tests/zot/templates/secret-user.yaml

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+apiVersion: v1
+kind: Secret
+metadata:
+  name: {{ .Release.Name }}-secret-user
+type: Opaque
+data:
+  username: {{ .Values.authHeaderUser | b64enc  }}
+  password: {{ .Values.authHeaderPassword | b64enc  }}

tests/zot/templates/secret.yaml

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+apiVersion: v1
+kind: Secret
+metadata:
+  name: {{ .Release.Name }}-secret
+type: Opaque
+data:
+{{- range $key, $val := .Values.secretFiles }}
+  {{ $key }}: {{ $val | b64enc }}
+{{- end }}

tests/zot/templates/service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "zot.fullname" . }}
+  labels:
+    {{- include "zot.labels" . | nindent 4 }}
+spec:
+  type: {{ .Values.service.type }}
+  ports:
+    - port: {{ .Values.service.port }}
+      targetPort: zot
+      protocol: TCP
+      name: zot
+  selector:
+    {{- include "zot.selectorLabels" . | nindent 4 }}

tests/zot/templates/serviceaccount.yaml

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+{{- if .Values.serviceAccount.create -}}
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: {{ include "zot.serviceAccountName" . }}
+  labels:
+    {{- include "zot.labels" . | nindent 4 }}
+  {{- with .Values.serviceAccount.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+{{- end }}

tests/zot/templates/tls.yaml

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+apiVersion: cert-manager.io/v1
+kind: Certificate
+metadata:
+  name: {{ include "zot.fullname" . }}
+  labels:
+      {{- include "zot.labels" . | nindent 4 }}
+spec:
+  dnsNames:
+    - {{ include "zot.fullname" . }}.{{.Release.Namespace}}.svc
+    - {{ include "zot.fullname" . }}.{{.Release.Namespace}}.svc.cluster.local
+    {{- range .Values.extraDNSNames }}
+    - {{ . }}
+    {{- end }}
+  issuerRef:
+    kind: Issuer
+    name: zot-selfsigned-issuer
+  secretName: {{.Values.tlsSecretName}}
+---
+apiVersion: cert-manager.io/v1
+kind: Issuer
+metadata:
+  name: zot-selfsigned-issuer
+  labels:
+      {{- include "zot.labels" . | nindent 4 }}
+spec:
+  selfSigned: {}