helm chart added (#171)

.gitignore

@@ -33,3 +33,8 @@ build/
 
 .DS_Store
 *.code-workspace
+
+
+*.tar.gz
+*.tgz
+**/charts/

chart/kafka-ui/.helmignore

@@ -0,0 +1,25 @@
+# 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/
+example/
+README.md

chart/kafka-ui/Chart.yaml

@@ -0,0 +1,6 @@
+apiVersion: v2
+name: kafka-ui
+description: A Helm chart for kafka-UI
+type: application
+version: 0.0.1
+appVersion: 0.0.9

chart/kafka-ui/README.md

@@ -0,0 +1,21 @@
+# Kafka-UI Helm Chart
+## Configuration
+Most of the Helm charts parameters are common, follow table describe unique parameters related to application configuration.
+### Kafka-UI parameters
+| Parameter| Description| Default|
+|---|---|---|
+| `existingConfigMap`| Name of the existing ConfigMap with Kafka-UI environment variables | `nil`|
+| `existingSecret`| Name of the existing Secret with Kafka-UI environment variables| `nil`|
+| `envs.secret`| Set of the sensitive environment variables to pass to Kafka-UI | `{}`|
+| `envs.config`| Set of the environment variables to pass to Kafka-UI | `{}`|
+
+## Example
+To install Kafka-UI need to execute follow:
+``` bash 
+helm install kafka-ui . --set envs.config.KAFKA_CLUSTERS_0_NAME=local --set envs.config.KAFKA_CLUSTERS_0_BOOTSTRAPSERVERS=kafka:9092
+``` 
+To connect to Kafka-UI web application need to execute:
+``` bash
+kubectl port-forward svc/kafka-ui 8080:80
+```
+Open the `http://127.0.0.1:8080` on the browser to access Kafka-UI.

chart/kafka-ui/templates/NOTES.txt

@@ -0,0 +1,21 @@
+1. Get the application URL by running these commands:
+{{- if .Values.ingress.enabled }}
+{{- range $host := .Values.ingress.hosts }}
+  {{- range .paths }}
+  http{{ if $.Values.ingress.tls }}s{{ end }}://{{ $host.host }}{{ . }}
+  {{- end }}
+{{- end }}
+{{- else if contains "NodePort" .Values.service.type }}
+  export NODE_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ include "kafka-ui.fullname" . }})
+  export NODE_IP=$(kubectl get nodes --namespace {{ .Release.Namespace }} -o jsonpath="{.items[0].status.addresses[0].address}")
+  echo http://$NODE_IP:$NODE_PORT
+{{- else if contains "LoadBalancer" .Values.service.type }}
+     NOTE: It may take a few minutes for the LoadBalancer IP to be available.
+           You can watch the status of by running 'kubectl get --namespace {{ .Release.Namespace }} svc -w {{ include "kafka-ui.fullname" . }}'
+  export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ include "kafka-ui.fullname" . }} --template "{{"{{ range (index .status.loadBalancer.ingress 0) }}{{.}}{{ end }}"}}")
+  echo http://$SERVICE_IP:{{ .Values.service.port }}
+{{- else if contains "ClusterIP" .Values.service.type }}
+  export POD_NAME=$(kubectl get pods --namespace {{ .Release.Namespace }} -l "app.kubernetes.io/name={{ include "kafka-ui.name" . }},app.kubernetes.io/instance={{ .Release.Name }}" -o jsonpath="{.items[0].metadata.name}")
+  echo "Visit http://127.0.0.1:8080 to use your application"
+  kubectl --namespace {{ .Release.Namespace }} port-forward $POD_NAME 8080:80
+{{- end }}

chart/kafka-ui/templates/_helpers.tpl

@@ -0,0 +1,63 @@
+{{/* vim: set filetype=mustache: */}}
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "kafka-ui.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 "kafka-ui.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 "kafka-ui.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Common labels
+*/}}
+{{- define "kafka-ui.labels" -}}
+helm.sh/chart: {{ include "kafka-ui.chart" . }}
+{{ include "kafka-ui.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+{{/*
+Selector labels
+*/}}
+{{- define "kafka-ui.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "kafka-ui.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}
+
+{{/*
+Create the name of the service account to use
+*/}}
+{{- define "kafka-ui.serviceAccountName" -}}
+{{- if .Values.serviceAccount.create }}
+{{- default (include "kafka-ui.fullname" .) .Values.serviceAccount.name }}
+{{- else }}
+{{- default "default" .Values.serviceAccount.name }}
+{{- end }}
+{{- end }}

chart/kafka-ui/templates/configmap.yaml

@@ -0,0 +1,8 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ include "kafka-ui.fullname" . }}
+  labels:
+    {{- include "kafka-ui.labels" . | nindent 4 }}
+data:
+  {{- toYaml .Values.envs.config | nindent 2 }}

chart/kafka-ui/templates/deployment.yaml

@@ -0,0 +1,74 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "kafka-ui.fullname" . }}
+  labels:
+    {{- include "kafka-ui.labels" . | nindent 4 }}
+spec:
+{{- if not .Values.autoscaling.enabled }}
+  replicas: {{ .Values.replicaCount }}
+{{- end }}
+  selector:
+    matchLabels:
+      {{- include "kafka-ui.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+    {{- with .Values.podAnnotations }}
+      annotations:
+        {{- toYaml . | nindent 8 }}
+    {{- end }}
+      labels:
+        {{- include "kafka-ui.selectorLabels" . | nindent 8 }}
+    spec:
+      {{- with .Values.imagePullSecrets }}
+      imagePullSecrets:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      serviceAccountName: {{ include "kafka-ui.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 }}
+          envFrom:
+            {{- if .Values.existingConfigMap }}
+            - configMapRef:
+                name: {{ .Values.existingConfigMap }}
+            {{- end }}
+            - configMapRef:
+                name: {{ include "kafka-ui.fullname" . }}
+            {{- if .Values.existingSecret }}
+            - secretRef:
+                name: {{ .Values.existingSecret }}
+            {{- end }}
+            - secretRef:
+                name: {{ include "kafka-ui.fullname" . }}
+          ports:
+            - name: http
+              containerPort: 8080
+              protocol: TCP
+          livenessProbe:
+            httpGet:
+              path: /
+              port: http
+          readinessProbe:
+            httpGet:
+              path: /
+              port: http
+          resources:
+            {{- toYaml .Values.resources | nindent 12 }}
+      {{- with .Values.nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.affinity }}
+      affinity:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}

chart/kafka-ui/templates/hpa.yaml

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+{{- if .Values.autoscaling.enabled }}
+apiVersion: autoscaling/v2beta1
+kind: HorizontalPodAutoscaler
+metadata:
+  name: {{ include "kafka-ui.fullname" . }}
+  labels:
+    {{- include "kafka-ui.labels" . | nindent 4 }}
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: {{ include "kafka-ui.fullname" . }}
+  minReplicas: {{ .Values.autoscaling.minReplicas }}
+  maxReplicas: {{ .Values.autoscaling.maxReplicas }}
+  metrics:
+  {{- if .Values.autoscaling.targetCPUUtilizationPercentage }}
+    - type: Resource
+      resource:
+        name: cpu
+        targetAverageUtilization: {{ .Values.autoscaling.targetCPUUtilizationPercentage }}
+  {{- end }}
+  {{- if .Values.autoscaling.targetMemoryUtilizationPercentage }}
+    - type: Resource
+      resource:
+        name: memory
+        targetAverageUtilization: {{ .Values.autoscaling.targetMemoryUtilizationPercentage }}
+  {{- end }}
+{{- end }}

chart/kafka-ui/templates/ingress.yaml

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+{{- if .Values.ingress.enabled -}}
+{{- $fullName := include "kafka-ui.fullname" . -}}
+{{- $svcPort := .Values.service.port -}}
+{{- if semverCompare ">=1.14-0" .Capabilities.KubeVersion.GitVersion -}}
+apiVersion: networking.k8s.io/v1beta1
+{{- else -}}
+apiVersion: extensions/v1beta1
+{{- end }}
+kind: Ingress
+metadata:
+  name: {{ $fullName }}
+  labels:
+    {{- include "kafka-ui.labels" . | nindent 4 }}
+  {{- with .Values.ingress.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+spec:
+  {{- if .Values.ingress.tls }}
+  tls:
+    {{- range .Values.ingress.tls }}
+    - hosts:
+        {{- range .hosts }}
+        - {{ . | quote }}
+        {{- end }}
+      secretName: {{ .secretName }}
+    {{- end }}
+  {{- end }}
+  rules:
+    {{- range .Values.ingress.hosts }}
+    - host: {{ .host | quote }}
+      http:
+        paths:
+          {{- range .paths }}
+          - path: {{ . }}
+            backend:
+              serviceName: {{ $fullName }}
+              servicePort: {{ $svcPort }}
+          {{- end }}
+    {{- end }}
+  {{- end }}

chart/kafka-ui/templates/secret.yaml

@@ -0,0 +1,9 @@
+apiVersion: v1
+kind: Secret
+metadata:
+  name: {{ include "kafka-ui.fullname" . }}
+  labels:
+    {{- include "kafka-ui.labels" . | nindent 4 }}
+type: Opaque
+data:
+  {{- toYaml .Values.envs.secret | nindent 2 }}

chart/kafka-ui/templates/service.yaml

@@ -0,0 +1,15 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "kafka-ui.fullname" . }}
+  labels:
+    {{- include "kafka-ui.labels" . | nindent 4 }}
+spec:
+  type: {{ .Values.service.type }}
+  ports:
+    - port: {{ .Values.service.port }}
+      targetPort: http
+      protocol: TCP
+      name: http
+  selector:
+    {{- include "kafka-ui.selectorLabels" . | nindent 4 }}

chart/kafka-ui/templates/serviceaccount.yaml

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

chart/kafka-ui/values.yaml

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+replicaCount: 1
+
+image:
+  repository: provectuslabs/kafka-ui
+  pullPolicy: IfNotPresent
+  # Overrides the image tag whose default is the chart appVersion.
+  tag: "latest"
+
+imagePullSecrets: []
+nameOverride: ""
+fullnameOverride: ""
+
+serviceAccount:
+  # Specifies whether a service account should be created
+  create: true
+  # Annotations to add to the service account
+  annotations: {}
+  # The name of the service account to use.
+  # If not set and create is true, a name is generated using the fullname template
+  name: ""
+
+existingConfigMap: ""
+existingSecret: ""
+envs:
+  secret: {}
+  config: {}
+
+podAnnotations: {}
+
+podSecurityContext: {}
+  # fsGroup: 2000
+
+securityContext: {}
+  # capabilities:
+  #   drop:
+  #   - ALL
+  # readOnlyRootFilesystem: true
+  # runAsNonRoot: true
+  # runAsUser: 1000
+
+service:
+  type: ClusterIP
+  port: 80
+
+ingress:
+  enabled: false
+  annotations: {}
+  hosts:
+    - host: chart-example.local
+      paths: []
+  tls: []
+
+resources: {}
+  # limits:
+  #   cpu: 200m
+  #   memory: 512Mi
+  # requests:
+  #   cpu: 200m
+  #   memory: 256Mi
+
+autoscaling:
+  enabled: false
+  minReplicas: 1
+  maxReplicas: 100
+  targetCPUUtilizationPercentage: 80
+  # targetMemoryUtilizationPercentage: 80
+
+nodeSelector: {}
+
+tolerations: []
+
+affinity: {}