Week8 - Deploy minio application by helm

week8/helm-command.sh

+# Create helm chart
+helm create web-app-minio
+
+# Upgrade chart
+cd web-app-minio
+helm upgrade web-app-minio .
+
+# Rollback version (Current version is 2)
+helm rollback web-app-minio 1
+
+# Delete application
+helm delete web-app-minio
+
+

week8/web-app-minio/Chart.lock

+dependencies:
+- name: minio
+  repository: ""
+  version: 12.13.2
+digest: sha256:4ebb94ff5dccdd869438afe0ec716b0833c4bac1defaa27a0e54f836a7de4835
+generated: "2024-01-17T09:21:50.399621+07:00"

week8/web-app-minio/Chart.yaml

+apiVersion: v2
+name: web-app-minio
+description: A Helm chart for Kubernetes
+
+# A chart can be either an 'application' or a 'library' chart.
+#
+# Application charts are a collection of templates that can be packaged into versioned archives
+# to be deployed.
+#
+# Library charts provide useful utilities or functions for the chart developer. They're included as
+# a dependency of application charts to inject those utilities and functions into the rendering
+# pipeline. Library charts do not define any templates and therefore cannot be deployed.
+type: application
+
+# This is the chart version. This version number should be incremented each time you make changes
+# to the chart and its templates, including the app version.
+# Versions are expected to follow Semantic Versioning (https://semver.org/)
+version: 0.1.0
+
+# This is the version number of the application being deployed. This version number should be
+# incremented each time you make changes to the application. Versions are not expected to
+# follow Semantic Versioning. They should reflect the version the application is using.
+# It is recommended to use it with quotes.
+appVersion: "1.16.0"
+
+# Dependencies
+dependencies:
+  - name: minio
+    version: "12.13.2"
\ No newline at end of file

week8/web-app-minio/charts/minio/.helmignore

+# 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/

week8/web-app-minio/charts/minio/Chart.yaml

+apiVersion: v2
+name: minio
+description: A Helm chart for deploy Minio in Kubernetes
+
+# A chart can be either an 'application' or a 'library' chart.
+#
+# Application charts are a collection of templates that can be packaged into versioned archives
+# to be deployed.
+#
+# Library charts provide useful utilities or functions for the chart developer. They're included as
+# a dependency of application charts to inject those utilities and functions into the rendering
+# pipeline. Library charts do not define any templates and therefore cannot be deployed.
+type: application
+
+# This is the chart version. This version number should be incremented each time you make changes
+# to the chart and its templates, including the app version.
+# Versions are expected to follow Semantic Versioning (https://semver.org/)
+version: 0.1.0
+
+# This is the version number of the application being deployed. This version number should be
+# incremented each time you make changes to the application. Versions are not expected to
+# follow Semantic Versioning. They should reflect the version the application is using.
+# It is recommended to use it with quotes.
+appVersion: "2024.1.16"

week8/web-app-minio/charts/minio/templates/NOTES.txt

+Webapp is deploying, just wait a few minutes.
\ No newline at end of file

week8/web-app-minio/charts/minio/templates/_helpers.tpl

+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "minio.name" -}}
+{{- default .Chart.Name | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Create chart name and version as used by the chart label.
+*/}}
+{{- define "minio.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
+{{- end }}
+
+{{/*
+Common labels
+*/}}
+{{- define "minio.labels" -}}
+helm.sh/chart: {{ include "minio.chart" . }}
+{{ include "minio.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+{{/*
+Selector labels
+*/}}
+{{- define "minio.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "minio.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}

week8/web-app-minio/charts/minio/templates/minio-cm.yml

+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: "{{ include "minio.name" . }}-cm"
+  namespace: {{ .Values.namespace }}
+  labels:
+    {{- include "minio.labels" . | nindent 4 }}
+data:
+  MINIO_ROOT_USER: {{ .Values.config.MINIO_ROOT_USER }}
+  MINIO_ROOT_PASSWORD: {{ .Values.config.MINIO_ROOT_PASSWORD }}

week8/web-app-minio/charts/minio/templates/minio-dev.yml

+---
+# Deploys a new MinIO Pod into the metadata.namespace Kubernetes namespace
+#
+# The `spec.containers[0].args` contains the command run on the pod
+# The `/data` directory corresponds to the `spec.containers[0].volumeMounts[0].mountPath`
+# That mount path corresponds to a Kubernetes HostPath which binds `/data` to a local drive or volume on the worker node where the pod runs
+# 
+apiVersion: v1
+kind: Pod
+metadata:
+  name: {{ include "minio.name" . }}
+  namespace: {{ .Values.namespace }}
+  labels:
+    {{- include "minio.labels" . | nindent 4 }}
+spec:
+  containers:
+    - name: {{ .Chart.Name }}
+      image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
+      pullPolicy: {{ .Values.image.pullPolicy }}
+      resources:
+        limits:
+          memory: {{ .Values.limits.memory }}
+          cpu: {{ .Values.limits.cpu }}
+      envFrom:
+        - configMapRef:
+            name: "{{ include "minio.name" . }}-cm"
+
+      {{- with .Values.command }}
+      command:
+        {{- toYaml . | nindent 8 -}}
+      {{- end -}}
+
+      {{- with .Values.args }}
+      args:
+        {{- toYaml . | nindent 8 -}}
+      {{- end -}}
+      {{- with .Values.volumeMounts }}
+      volumeMounts:
+        {{- toYaml . | nindent 8 -}}
+      {{- end -}}
+    {{- with .Values.volumes }}
+  volumes:
+    {{- toYaml . | nindent 6 -}}
+  {{- end -}}
\ No newline at end of file

week8/web-app-minio/charts/minio/templates/minio-ns.yml

+# Deploys a new Namespace for the MinIO Pod
+{{- if ne .Values.namespace "default" -}}
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: {{ .Values.namespace }}
+  labels:
+    {{- include "minio.labels" . | nindent 4 -}}
+{{- end -}}
\ No newline at end of file

week8/web-app-minio/charts/minio/templates/minio-pv.yml

+apiVersion: v1
+kind: PersistentVolume
+metadata:
+  name: "{{ include "minio.name" . }}-pv"
+spec:
+  capacity:
+    storage: {{ .Values.persistence.storage }}
+  volumeMode: {{ .Values.persistence.volumeMode }}
+  persistentVolumeReclaimPolicy: {{ .Values.persistence.persistentVolumeReclaimPolicy }}
+  storageClassName: ""
+  accessModes:
+    - ReadWriteOnce
+  nfs:
+    path: {{ .Values.persistence.nfs.path }}
+    server: {{ .Values.persistence.nfs.server }}
+
+

week8/web-app-minio/charts/minio/templates/minio-pvc.yml

+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: "{{ include "minio.name" . }}-pvc"
+  namespace: {{ .Values.namespace }}
+  labels:
+    {{- include "minio.labels" . | nindent 4 }}
+spec:
+  resources:
+    requests:
+      storage: {{ .Values.persistenceClaim.storage }}
+  volumeMode: {{ .Values.persistenceClaim.volumeMode }}
+  storageClassName: ""
+  accessModes:
+    - ReadWriteOnce
+  volumeName: "{{ include "minio.name" . }}-pv"
+

week8/web-app-minio/charts/minio/templates/minio-svc.yml

+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "minio.name" . }}
+  namespace: {{ .Values.namespace }}
+spec:
+  type: {{ .Values.service.type }}
+  ports:
+    - name: cluster
+      port: {{ .Values.service.port }}
+      targetPort: {{ .Values.service.targetPort }}
+  selector:
+    {{- include "minio.selectorLabels" . | nindent 4 -}}

week8/web-app-minio/charts/minio/values.yaml

+# Default values for minio.
+# This is a YAML-formatted file.
+# Declare variables to be passed into your templates.
+namespace: default
+
+# Deloyment 
+image:
+  repository: quay.io/minio/minio
+  tag: latest
+  pullPolicy: IfNotPresent
+
+limits:
+  memory: "2024Mi"
+  cpu: "2000m"
+
+command:
+  - /bin/bash
+  - -c
+
+args:
+  - minio server /data --console-address :9090
+
+volumeMounts:
+  - mountPath: /data
+    name: localvolume
+
+volumes:
+  - name: localvolume
+    persistentVolumeClaim:
+      claimName: minio-pvc
+
+# Service
+service:
+  type: ClusterIP
+  port: 9000
+  targetPort: 9000
+
+minioport:
+  port: 9000
+  nodePort: 30021
+  targetPort: 9000
+
+# Persistent Volume Claim
+persistenceClaim:
+  storage: 1024Mi
+  volumeMode: Filesystem
+  storageClassName: ""
+  accessModes: ReadWriteOnce
+
+# Persistent Volume 
+persistence:
+  storage: 1024Mi
+  volumeMode: Filesystem
+  accessModes: ReadWriteOnce
+  persistentVolumeReclaimPolicy: Recycle
+  nfs: # NFS server detail
+    path: /var/nfs/k8s
+    server: 192.168.67.9
+
+# Config Map
+config:
+  MINIO_ROOT_USER: user
+  MINIO_ROOT_PASSWORD: password
\ No newline at end of file

week8/web-app-minio/templates/NOTES.txt

+Deploy Web-app successful.
\ No newline at end of file

week8/web-app-minio/templates/_helpers.tpl

+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "web-app-minio.name" -}}
+{{- default .Chart.Name | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Create chart name and version as used by the chart label.
+*/}}
+{{- define "web-app-minio.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
+{{- end }}
+
+{{/*
+Selector labels
+*/}}
+{{- define "web-app-minio.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "web-app-minio.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}
+
+{{/*
+Common labels
+*/}}
+{{- define "web-app-minio.labels" -}}
+helm.sh/chart: {{ include "web-app-minio.chart" . }}
+{{ include "web-app-minio.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}

week8/web-app-minio/templates/app-config.yml

+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: "{{ include "web-app-minio.name" . }}-cm"
+data:
+  MINIO_ACCESS_KEY_ID: {{ .Values.configMap.MINIO_ACCESS_KEY_ID }}
+  MINIO_SECRET_ACCESS_KEY: {{ .Values.configMap.MINIO_SECRET_ACCESS_KEY }}
+  MINIO_STORAGE_BUCKET_NAME: {{ .Values.configMap.MINIO_STORAGE_BUCKET_NAME }}
+  MINIO_API: "http://minio.{{ .Values.namespace }}.svc.cluster.local:9000"
\ No newline at end of file

week8/web-app-minio/templates/app-deployment.yml

+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "web-app-minio.name" . }}
+spec:
+  replicas: {{ .Values.replicas }}
+  selector:
+    matchLabels: 
+      {{- include "web-app-minio.selectorLabels" . | nindent 6 }}
+  revisionHistoryLimit: 5
+  progressDeadlineSeconds: 300
+  minReadySeconds: 10
+  strategy:
+    type: RollingUpdate
+    rollingUpdate:
+      maxUnavailable: 1
+      maxSurge: 1
+  template:
+    metadata:
+      labels:
+        {{- include "web-app-minio.labels" . | nindent 8 }}
+    spec:
+      containers:
+      - name: {{ .Chart.Name }}
+        image: "{{ .Values.image.repository }}:{{ .Values.image.tag}}"
+        pullPolicy: Always
+        envFrom:
+          - configMapRef:
+              name: "{{ include "web-app-minio.name" . }}-cm"
+        ports:
+        - containerPort: {{ .Values.containerPort }}
+        resources: 
+          limits:
+            memory: {{ .Values.limits.memory }}
+            cpu: {{ .Values.limits.cpu }}
+            

week8/web-app-minio/templates/app-service.yml

+apiVersion: v1
+kind: Service
+metadata:
+  name: "{{ include "web-app-minio.name" . }}-svc"
+spec:
+  type: {{ .Values.service.type }}
+  ports:
+    - port: {{ .Values.service.port }}
+      protocol: {{ .Values.service.protocol }}
+  selector:
+    {{- include "web-app-minio.selectorLabels" . | nindent 4}}
+    

week8/web-app-minio/values.yaml

+# Default values for web-app-minio.
+# This is a YAML-formatted file.
+# Declare variables to be passed into your templates.
+
+namespace: default
+
+# Deployment
+replicas: 1
+image:
+  repository: garovu/django-minio
+  tag: latest
+limits:
+  memory: "1024Mi"
+  cpu: "1000m"
+containerPort: 8000
+
+# ConfigMap
+configMap:
+  MINIO_ACCESS_KEY_ID: user
+  MINIO_SECRET_ACCESS_KEY: password
+  MINIO_STORAGE_BUCKET_NAME: static
+  # MINIO_API: "http://172.17.0.1:9000"
+
+# Service
+service:
+  type: NodePort
+  port: 8000
+  protocol: TCP
+
+# Minio Setup
+minio:
+  namespace: default