Kubernetes + Neo4j

neo4j.yaml

# Headless service to provide DNS lookup
apiVersion: v1
kind: Service
metadata:
  labels:
    app: neo4j
  name: neo4j
spec:
  clusterIP: None
  ports:
    - port: 7474
  selector:
    app: neo4j
----
# new API name
apiVersion: "apps/v1alpha1"
kind: PetSet
metadata:
  name: neo4j
spec:
  serviceName: neo4j
  replicas: 3
  template:
    metadata:
      annotations:
        pod.alpha.kubernetes.io/initialized: "true"
        pod.beta.kubernetes.io/init-containers: '[
            {
                "name": "install",
                "image": "gcr.io/google_containers/busybox:1.24",
                "command": ["/bin/sh", "-c", "echo \"
                unsupported.dbms.edition=enterprise\n
                dbms.mode=CORE\n
                dbms.connectors.default_advertised_address=$HOSTNAME.neo4j.default.svc.cluster.local\n
                dbms.connectors.default_listen_address=0.0.0.0\n
                dbms.connector.bolt.type=BOLT\n
                dbms.connector.bolt.enabled=true\n
                dbms.connector.bolt.listen_address=0.0.0.0:7687\n
                dbms.connector.http.type=HTTP\n
                dbms.connector.http.enabled=true\n
                dbms.connector.http.listen_address=0.0.0.0:7474\n
                causal_clustering.raft_messages_log_enable=true\n
                causal_clustering.initial_discovery_members=neo4j-0.neo4j.default.svc.cluster.local:5000,neo4j-1.neo4j.default.svc.cluster.local:5000,neo4j-2.neo4j.default.svc.cluster.local:5000\n
                causal_clustering.leader_election_timeout=2s\n
                  \" > /work-dir/neo4j.conf" ],
                "volumeMounts": [
                    {
                        "name": "confdir",
                        "mountPath": "/work-dir"
                    }
                ]
            }
        ]'
      labels:
        app: neo4j
    spec:
      containers:
      - name: neo4j
        image: "neo4j/neo4j-experimental:3.1.0-M13-beta3-enterprise"
        imagePullPolicy: Always
        ports:
        - containerPort: 5000
          name: discovery
        - containerPort: 6000
          name: tx
        - containerPort: 7000
          name: raft
        - containerPort: 7474
          name: browser
        - containerPort: 7687
          name: bolt
        securityContext:
          privileged: true
        volumeMounts:
        - name: datadir
          mountPath: /data
        - name: confdir
          mountPath: /conf
      volumes:
      - name: confdir
  volumeClaimTemplates:
  - metadata:
      name: datadir
      annotations:
        volume.alpha.kubernetes.io/storage-class: anything
    spec:
      accessModes: [ "ReadWriteOnce" ]
      resources:
        requests:
          storage: 1Gi

volumes.sh

for i in $(seq 0 3); do
  cat <<EOF | kubectl create -f -
kind: PersistentVolume
apiVersion: v1
metadata:
  name: pv${i}
  labels:
    type: local
    app: neo4j
spec:
  capacity:
    storage: 1Gi
  accessModes:
    - ReadWriteOnce
  hostPath:
    path: "/tmp/${i}"
EOF

  cat <<EOF | kubectl create -f -
kind: PersistentVolumeClaim
apiVersion: v1
metadata:
  name: datadir-neo4j-${i}
  labels:
    app: neo4j
spec:
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 1Gi
EOF
done;