feat: add wordpress-microservice app into this repo

applications/wordpress-microservice/.helmignore

@@ -0,0 +1,23 @@
+# 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/

applications/wordpress-microservice/Chart.lock

@@ -0,0 +1,6 @@
+dependencies:
+- name: replicated
+  repository: oci://registry.replicated.com/library
+  version: 1.0.0
+digest: sha256:347f35218b0b2617efb740acf978b161d0a97b64dcb0349b519bfefa6c10dc76
+generated: "2025-02-03T03:05:00.742181+05:30"

applications/wordpress-microservice/Chart.yaml

@@ -0,0 +1,14 @@
+apiVersion: v2
+name: wordpress-microservice
+description: A Helm chart for deploying WordPress with MariaDB
+type: application
+version: 0.1.0
+appVersion: 1.0.0
+dependencies:
+- name: replicated
+  repository: oci://registry.replicated.com/library
+  version: ">=1.0.0-beta.31 <2.0.0"  # keeps dependency updated within version 1.x but avoids an automatic upgrade to 2.x
+#- name: mariadb
+#  version: ">=10.3.0"
+#  repository: "https://charts.bitnami.com/bitnami"
+#  condition: database.embedded.mariadb.enabled

applications/wordpress-microservice/manifests/embedded-cluster.yaml

@@ -0,0 +1,4 @@
+apiVersion: embeddedcluster.replicated.com/v1beta1
+kind: Config
+spec:
+  version: 1.19.0+k8s-1.30

applications/wordpress-microservice/manifests/k8s-app.yaml

@@ -0,0 +1,10 @@
+apiVersion: app.k8s.io/v1beta1
+kind: Application
+metadata:
+  name: "wordpress-microservice"
+spec:
+  descriptor:
+    links:
+      - description: Open App
+        # needs to match applicationUrl in kots-app.yaml
+        url: "http://wordpress-microservice"

applications/wordpress-microservice/manifests/kots-app.yaml

@@ -0,0 +1,14 @@
+apiVersion: kots.io/v1beta1
+kind: Application
+metadata:
+  name: wordpress-microservice
+spec:
+  title: Wordpress-Microservice
+  statusInformers:
+    - deployment/wordpress
+  ports:
+    - serviceName: "wordpress-microservice"
+      servicePort: 80
+      localPort: 30080
+      applicationUrl: "http://wordpress-microservice"
+  icon: https://raw.githubusercontent.com/cncf/artwork/master/projects/kubernetes/icon/color/kubernetes-icon-color.png

applications/wordpress-microservice/manifests/wordpress-microservice.yaml

@@ -0,0 +1,17 @@
+apiVersion: kots.io/v1beta2
+kind: HelmChart
+metadata:
+  name: wordpress-microservice
+spec:
+  # chart identifies a matching chart from a .tgz
+  chart:
+    name: wordpress-microservice
+    chartVersion: 0.1.0
+  optionalValues:
+  - when: 'repl{{ eq Distribution "embedded-cluster" }}'
+    recursiveMerge: false
+    values:
+      service:
+        type: NodePort
+        nodePorts:
+          http: "30080"

applications/wordpress-microservice/templates/_helpers.tpl

@@ -0,0 +1,62 @@
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "wordpress-microservice.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 "wordpress-microservice.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 "wordpress-microservice.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Common labels
+*/}}
+{{- define "wordpress-microservice.labels" -}}
+helm.sh/chart: {{ include "wordpress-microservice.chart" . }}
+{{ include "wordpress-microservice.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+{{/*
+Selector labels
+*/}}
+{{- define "wordpress-microservice.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "wordpress-microservice.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}
+
+{{/*
+Create the name of the service account to use
+*/}}
+{{- define "wordpress-microservice.serviceAccountName" -}}
+{{- if .Values.serviceAccount.create }}
+{{- default (include "wordpress-microservice.fullname" .) .Values.serviceAccount.name }}
+{{- else }}
+{{- default "default" .Values.serviceAccount.name }}
+{{- end }}
+{{- end }}

applications/wordpress-microservice/templates/cronjob.yaml

@@ -0,0 +1,29 @@
+apiVersion: batch/v1
+kind: CronJob
+metadata:
+  name: {{ .Values.cronjob.name }}
+  namespace: {{ .Release.Namespace }}
+spec:
+  schedule: "{{ .Values.cronjob.schedule }}"
+  jobTemplate:
+    spec:
+      template:
+        spec:
+          containers:
+            - name: metrics-reporter
+              image: "{{ .Values.cronjob.image.registry }}/{{ .Values.cronjob.image.repository }}:{{ .Values.cronjob.image.tag }}"
+              #image: "{{ .Values.cronjob.image }}"
+              command: ["sh", "-c"]
+              args:
+                - |
+                  totalPosts=$((RANDOM % {{ .Values.cronjob.maxTotalPosts }} + 1))
+                  activeUsers=$((RANDOM % {{ .Values.cronjob.maxActiveUsers }} + 1))
+                  curl -X POST {{ .Values.cronjob.metricsEndpoint }} \
+                  -H "Content-Type: application/json" \
+                  -d "{
+                        \"data\": {
+                          \"total_posts\": $totalPosts,
+                          \"active_users\": $activeUsers
+                        }
+                      }"
+          restartPolicy: OnFailure

applications/wordpress-microservice/templates/mariadb-deployment.yaml

@@ -0,0 +1,44 @@
+{{- if .Values.database.embedded }}
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ .Release.Name }}-mariadb
+  namespace: {{ .Release.Namespace }}
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: mariadb
+  template:
+    metadata:
+      labels:
+        app: mariadb
+    spec:
+      containers:
+        - name: mariadb
+          image: mariadb:10.5
+          env:
+            - name: MYSQL_DATABASE
+              valueFrom:
+                secretKeyRef:
+                  name: {{ .Release.Name }}-db-secret
+                  key: database
+            - name: MYSQL_USER
+              valueFrom:
+                secretKeyRef:
+                  name: {{ .Release.Name }}-db-secret
+                  key: username
+            - name: MYSQL_PASSWORD
+              valueFrom:
+                secretKeyRef:
+                  name: {{ .Release.Name }}-db-secret
+                  key: password
+            - name: MARIADB_ROOT_PASSWORD
+              valueFrom:
+                secretKeyRef:
+                  name: {{ .Release.Name }}-db-secret
+                  key: root-password
+          ports:
+            - containerPort: 3306
+              name: mysql
+{{- end }}

applications/wordpress-microservice/templates/mariadb-service.yaml

@@ -0,0 +1,13 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: mariadb
+  labels:
+    {{- include "wordpress-microservice.labels" . | nindent 4 }}
+spec:
+  type: {{ .Values.mariadb.service.type }}
+  ports:
+    - port: {{ .Values.mariadb.service.port }}
+      targetPort: 3306
+  selector:
+    app: wordpress

applications/wordpress-microservice/templates/secret.yaml

@@ -0,0 +1,25 @@
+{{- if .Values.database.embedded }}
+apiVersion: v1
+kind: Secret
+metadata:
+  name: {{ .Release.Name }}-db-secret
+  namespace: {{ .Release.Namespace }}
+type: Opaque
+data:
+  username: {{ .Values.database.user | b64enc }}
+  password: {{- $existingSecret := (lookup "v1" "Secret" .Release.Namespace (printf "%s-db-secret" .Release.Name)) -}}
+    {{- if and $existingSecret (index $existingSecret "data" "password") -}}
+      {{- index $existingSecret.data "password" -}}
+    {{- else -}}
+      {{ randAlphaNum 16 | b64enc }}
+    {{- end }}
+  root-password: 
+    {{- if and $existingSecret (index $existingSecret "data" "root-password") -}}
+      {{- index $existingSecret.data "root-password" -}}
+    {{- else -}}
+      {{ randAlphaNum 16 | b64enc }}
+    {{- end }}
+  #password: {{ .Values.database.password | default (randAlphaNum 16) | b64enc }}
+  #root-password: {{ .Values.database.rootPassword | default (randAlphaNum 16) | b64enc }}
+  database: {{ .Values.database.name | b64enc }}
+{{- end }}

applications/wordpress-microservice/templates/wordpress-deployment.yaml

@@ -0,0 +1,37 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: wordpress
+  labels:
+    {{- include "wordpress-microservice.labels" . | nindent 4 }}
+spec:
+  replicas: {{ .Values.wordpress.replicaCount }}
+  selector:
+    matchLabels:
+      app: wordpress
+  template:
+    metadata:
+      labels:
+        app: wordpress
+    spec:
+      containers:
+        - name: wordpress
+          image: "{{ .Values.wordpress.image.repository }}:{{ .Values.wordpress.image.tag }}"
+          imagePullPolicy: {{ .Values.wordpress.image.pullPolicy }}
+          ports:
+            - containerPort: 80
+          env:
+            - name: WORDPRESS_DB_HOST
+              value: "{{ if .Values.database.embedded }}{{ .Release.Name }}-mariadb{{ else }}{{ .Values.database.external.host }}{{ end }}"
+            - name: WORDPRESS_DB_USER
+              valueFrom:
+                secretKeyRef:
+                  name: {{ if .Values.database.embedded }}{{ .Release.Name }}-db-secret{{ else }}{{ .Values.database.external.secretName }}{{ end }}
+                  key: username
+            - name: WORDPRESS_DB_PASSWORD
+              valueFrom:
+                secretKeyRef:
+                  name: {{ if .Values.database.embedded }}{{ .Release.Name }}-db-secret{{ else }}{{ .Values.database.external.secretName }}{{ end }}
+                  key: password
+            - name: WORDPRESS_DB_NAME
+              value: "{{ .Values.database.name }}"

applications/wordpress-microservice/templates/wordpress-service.yaml

@@ -0,0 +1,14 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: wordpress
+  labels:
+    {{- include "wordpress-microservice.labels" . | nindent 4 }}
+spec:
+  type: {{ .Values.wordpress.service.type }}
+  ports:
+    - port: {{ .Values.wordpress.service.port }}
+      targetPort: 80
+      nodePort: {{ .Values.wordpress.service.nodePort }}
+  selector:
+    app: wordpress

applications/wordpress-microservice/values.yaml

@@ -0,0 +1,51 @@
+wordpress:
+  image:
+    repository: wordpress
+    tag: "latest"
+    pullPolicy: IfNotPresent
+  service:
+    type: NodePort
+    port: 80
+    nodePort: 30080
+  replicaCount: 1
+
+mariadb:
+  image:
+    registry: docker.io
+    repository: mariadb
+    tag: "latest"
+  #image:
+  #  repository: mariadb
+  #  tag: "latest"
+    pullPolicy: IfNotPresent
+  service:
+    type: ClusterIP
+    port: 3306
+  replicaCount: 1
+
+cronjob:
+  name: custom-data-reporter
+  schedule: "*/5 * * * *"
+  #image: curlimages/curl:latest
+  image:
+    registry: docker.io
+    repository: curlimages/curl
+    tag: latest  
+  metricsEndpoint: "http://replicated:3000/api/v1/app/custom-metrics"
+  maxTotalPosts: 500               # Maximum value for totalPosts
+  maxActiveUsers: 100            # Maximum value for activeUsers
+
+database:
+  embedded: true  # Set to false to use an external database
+  name: wordpress_db
+  user: wordpress_user
+  password: ""  # Auto-generated if left empty for embedded DB
+  rootPassword: ""  # Auto-generated if left empty
+  host: ""  # Empty for embedded DB; required for external DB
+  port: 3306  # Default MySQL/MariaDB port
+
+  external:  # External DB details (only used if embedded: false)
+    host: ""
+    user: ""
+    password: ""
+    name: ""