init: Add Helm charts for oc-mongo, oc-mongo-express, and oc-catalog

oc-mongo-helm/Chart.yaml

@@ -0,0 +1,5 @@
+apiVersion: v2
+name: oc-mongo
+description: A Helm chart for deploying the oc-mongo component
+version: 0.1.0
+appVersion: "1.0"

oc-mongo-helm/templates/pvc.yaml

@@ -0,0 +1,16 @@
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: {{ .Values.mongo.pvcName }}
+  labels:
+    app: mongo
+    release: {{ .Release.Name }}
+spec:
+  accessModes:
+    - {{ .Values.persistence.accessMode }}
+  resources:
+    requests:
+      storage: {{ .Values.persistence.size }}
+  {{- if .Values.persistence.storageClass }}
+  storageClassName: {{ .Values.persistence.storageClass }}
+  {{- end }}

oc-mongo-helm/templates/secret.yaml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: Secret
+metadata:
+  name: {{ .Release.Name }}-mongo-secret
+  labels:
+    app: mongo
+    release: {{ .Release.Name }}
+type: Opaque
+data:
+  username: {{ .Values.secret.username | b64enc }}
+  password: {{ .Values.secret.password | b64enc }}

oc-mongo-helm/templates/service.yaml

@@ -0,0 +1,13 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: mongo
+  labels:
+    app: mongo
+spec:
+  selector:
+    app: mongo
+  ports:
+    - protocol: TCP
+      port: {{ .Values.service.port }}
+      targetPort: {{ .Values.mongo.containerPort }}

oc-mongo-helm/templates/statefulset.yaml

@@ -0,0 +1,31 @@
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: mongo
+  labels:
+    app: mongo
+spec:
+  serviceName: "mongo"
+  replicas: {{ .Values.replicaCount }}
+  selector:
+    matchLabels:
+      app: mongo
+  template:
+    metadata:
+      labels:
+        app: mongo
+    spec:
+      containers:
+      - name: mongo
+        image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
+        ports:
+        - containerPort: 27017
+        volumeMounts:
+        - name: mongo-persistent-storage
+          mountPath: /data/db
+        - name: mongo-persistent-storage
+          mountPath: /data/configdb
+      volumes:
+      - name: mongo-persistent-storage
+        persistentVolumeClaim:
+          claimName: {{ .Values.persistence.name }}

oc-mongo-helm/values.yaml

@@ -0,0 +1,24 @@
+replicaCount: 1
+
+image:
+  repository: mongo
+  tag: latest
+  pullPolicy: IfNotPresent
+
+service:
+  port: 27017
+
+persistence:
+  name: mongo-pvc-helm
+  enabled: true
+  accessMode: ReadWriteOnce
+  size: 1Gi
+  storageClass: ""
+
+secret:
+  username: dGVzdA==  # base64 encoding of 'test'
+  password: dGVzdA==  # base64 encoding of 'test'
+
+mongo:
+  containerPort: 27017
+  pvcName: mongo-pvc-helm