mongo

mongo.yaml

apiVersion: v1
kind: Service
metadata:
  name: mongo
  namespace: mongo6
spec:
  clusterIP: None
  ports:
    - port: 27017
      name: mongodb
  selector:
    app: mongo

---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: mongo
  namespace: mongo6
spec:
  serviceName: mongo
  replicas: 3
  selector:
    matchLabels:
      app: mongo
  template:
    metadata:
      labels:
        app: mongo
    spec:
      terminationGracePeriodSeconds: 30
      initContainers:
        - name: fix-permissions
          image: ghcr.io/parallelworks/busybox:latest
          command: ["sh", "-c", "chown -R 999:999 /data/db"]
          securityContext:
            runAsUser: 0
          volumeMounts:
            - name: mongo-persistent-storage
              mountPath: /data/db
      containers:
        - name: mongo
          image: ghcr.io/parallelworks/mongo:6.0
          imagePullPolicy: IfNotPresent
          command:
            - "mongod"
            - "--replSet=rs0"
            - "--bind_ip=0.0.0.0"
          ports:
            - containerPort: 27017
              name: mongodb
          volumeMounts:
            - name: mongo-persistent-storage
              mountPath: /data/db
      volumes:
        - name: workdir
          emptyDir: {}
  volumeClaimTemplates:
    - metadata:
        name: mongo-persistent-storage
      spec:
        accessModes: [ "ReadWriteOnce" ]
        resources:
          requests:
            storage: 8Gi

---
apiVersion: batch/v1
kind: Job
metadata:
  name: mongo-init-rs
  namespace: mongo6
spec:
  template:
    spec:
      restartPolicy: Never
      containers:
        - name: init-rs
          image: ghcr.io/parallelworks/mongo:6.0
          command:
            - "bash"
            - "-c"
            - |
              echo "Waiting for mongo-0 to be ready..."
              until mongosh --host mongo-0.mongo.mongo6.svc.cluster.local:27017 --eval "db.adminCommand('ping')" > /dev/null 2>&1; do
                sleep 3
              done

              echo "Waiting for mongo-1 to be ready..."
              until mongosh --host mongo-1.mongo.mongo6.svc.cluster.local:27017 --eval "db.adminCommand('ping')" > /dev/null 2>&1; do
                sleep 3
              done

              echo "Waiting for mongo-2 to be ready..."
              until mongosh --host mongo-2.mongo.mongo6.svc.cluster.local:27017 --eval "db.adminCommand('ping')" > /dev/null 2>&1; do
                sleep 3
              done

              echo "All nodes ready. Initializing replica set..."
              mongosh --host mongo-0.mongo.mongo6.svc.cluster.local:27017 <<EOF
              rs.initiate({
                _id: "rs0",
                members: [
                  { _id: 0, host: "mongo-0.mongo.mongo6.svc.cluster.local:27017" },
                  { _id: 1, host: "mongo-1.mongo.mongo6.svc.cluster.local:27017" },
                  { _id: 2, host: "mongo-2.mongo.mongo6.svc.cluster.local:27017" }
                ]
              })
              EOF

              echo "Replica set initialized."