Docker安装部署neo4j的实战过程

docker search neo4j

docker pull neo4j(:版本号) //缺省 “:版本号” 时默认安装latest版本的

docker images

docker run -d --name container_name -p 27474:7474 -p 27687:7687 -v /home/neo4j/data:/data -v /home/neo4j/logs:/logs -v /home/neo4j/conf:/var/lib/neo4j/conf -v /home/neo4j/import:/var/lib/neo4j/import --env NEO4J_AUTH=neo4j/password neo4j

-d --name container_name   //-d表示容器后台运行 --name指定容器名字	-p 27474:7474 -p 27687:7687   //映射容器的端口号到宿主机的端口号；27474 为宿主机端口	-v /home/neo4j/data:/data   //把容器内的数据目录挂载到宿主机的对应目录下	-v /home/neo4j/logs:/logs   //挂载日志目录	-v /home/neo4j/conf:/var/lib/neo4j/conf   //挂载配置目录	-v /home/neo4j/import:/var/lib/neo4j/import   //挂载数据导入目录	--env NEO4J_AUTH=neo4j/password   //设定数据库的名字的访问密码	neo4j //指定使用的镜像

// 进入容器配置目录挂载在宿主机的对应目录，我这里是/home/neo4j/confcd /home/neo4j/conf// vim编辑器打开neo4j.confvim neo4j.conf// 进行以下更改//在文件配置末尾添加这一行dbms.connectors.default_listen_address=0.0.0.0  //指定连接器的默认监听ip为0.0.0.0，即允许任何ip连接到数据库//修改dbms.connector.bolt.listen_address=0.0.0.0:7687  //取消注释并把对bolt请求的监听“地址:端口”改为“0.0.0.0:7687”dbms.connector.http.listen_address=0.0.0.0:7474  //取消注释并把对http请求的监听“地址:端口”改为“0.0.0.0:7474”

// 命令下载curl -O http://dist.neo4j.org/neo4j-community-3.4.5-unix.tar.gz// 解压安装tar -axvf neo4j-community-3.4.5-unix.tar.gz

# 修改第22行load csv时l路径，在前面加个#，可从任意路径读取文件#dbms.directories.import=import# 修改35行和36行，设置JVM初始堆内存和JVM最大堆内存# 生产环境给的JVM最大堆内存越大越好，但是要小于机器的物理内存dbms.memory.heap.initial_size=5gdbms.memory.heap.max_size=10g# 修改46行，可以认为这个是缓存，如果机器配置高，这个越大越好dbms.memory.pagecache.size=10g# 修改54行，去掉改行的#，可以远程通过ip访问neo4j数据库dbms.connectors.default_listen_address=0.0.0.0# 默认 bolt端口是7687，http端口是7474，https关口是7473，不修改下面3项也可以# 修改71行，去掉#，设置http端口为7687，端口可以自定义，只要不和其他端口冲突就行dbms.connector.bolt.listen_address=:7687# 修改75行，去掉#，设置http端口为7474，端口可以自定义，只要不和其他端口冲突就行dbms.connector.http.listen_address=:7474# 修改79行，去掉#，设置http端口为7473，端口可以自定义，只要不和其他端口冲突就行dbms.connector.https.listen_address=:7473# 修改227行，去掉#，允许从远程url来load csvdbms.security.allow_csv_import_from_file_urls=true# 修改246行，允许使用neo4j-shell，类似于mysql 命令行之类的dbms.shell.enabled=true# 修改248行，去掉#，设置连接neo4j-shell的端口，一般都是localhost或者127.0.0.1，这样安全，其他地址的话，一般使用https就行dbms.shell.host=127.0.0.1# 修改250行，去掉#，设置neo4j-shell端口，端口可以自定义，只要不和其他端口冲突就行dbms.shell.port=1337# 修改254行，设置neo4j可读可写dbms.read_only=false# 设置JDK，若系统默认是jdk1.8及以上可以不需要设置JAVA_HOME=/usr/java/jdk1.8.0_144JRE_HOME=/usr/java/jdk1.8.0_144/jre

neo4j安装目录下conf文件夹里的neo4j.conf将dbms.security.auth_enabled=false注释掉

dbms.sercurity.procedures.unrestricted=apoc.*dbms.memory.pagecache.size=10gdbms.memory.heap.initial_size=1gdbms.memory.heap.max_size=4g

# 先创建neo4j的命名空间namespace---apiVersion: v1kind: Namespacemetadata:   name: neo4j   labels:     name: neo4j     ---apiVersion: apps/v1beta1kind: StatefulSetmetadata:  name: neo4j-core  namespace: neo4j  labels:    app: neo4j-corespec:  replicas: 2    # 部署2个core-server  selector:    matchLabels:      app: neo4j-core  serviceName: neo4j-core  template:    metadata:      labels:        app: neo4j-core    spec:      containers:      - name: neo4j-core        image: neo4j:3.5.5-enterprise   # 官方镜像，3.5.5企业版        imagePullPolicy: IfNotPresent        env:    # 这里通过env，配置镜像环境参数，这是因为此镜像是通过这样来进行配置参数的          - name: NEO4J_ACCEPT_LICENSE_AGREEMENT    # 接受证书协议，必须的            value: "yes"          - name: NEO4J_dbms_connectors_default__advertised__address  # 指定自身pod的ip地址，默认为localhost，在集群中必须注明自身地址，这里直接用ip            valueFrom:              fieldRef:                fieldPath: status.podIP          - name: NEO4J_dbms_mode  # 节点的模式，选择CORE，就是核心节点            value: "CORE"          - name: NEO4J_AUTH   # 一定要自定义初始验证的用户名/密码            value: "neo4j/your-password"          - name: NEO4J_causal__clustering_minimum__core__cluster__size__at__formation            value: "2"          - name: NEO4J_causal__clustering_minimum__core__cluster__size__at__runtime            value: "2"          - name: NEO4J_causal__clustering_discovery__type  # 默认集群发现方式为LIST，这里写不写都行            value: "LIST"          - name: NEO4J_causal__clustering_initial__discovery__members  # 手动写明集群中所有成员的ip:port，5000端口为集群发现端口            value: "neo4j-core-0.neo4j-core.neo4j.svc.cluster.local:5000,neo4j-core-1.neo4j-core.neo4j.svc.cluster.local:5000"          - name: NEO4J_causal__clustering_discovery__advertised__address  # 下面这三个必须定义，为节点自身的ip:port，相当于节点自身的名称，因为默认是会用自身hostname，但是在k8s中，无法单单通过hostname解析到ip地址，这样定义的自身地址会无法识别            value: $(NEO4J_dbms_connectors_default__advertised__address):5000          - name: NEO4J_causalClustering_transactionAdvertisedAddress            value: $(NEO4J_dbms_connectors_default__advertised__address):6000          - name: NEO4J_causalClustering_raftAdvertisedAddress            value: $(NEO4J_dbms_connectors_default__advertised__address):7000        volumeMounts:        - name: neo4j-core    # 挂载数据目录/data          mountPath: /data  volumeClaimTemplates:  - metadata:      name: neo4j-core  # 这里name要和上面volumeMounts的name一致，才能绑定到对应的pod      annotations:        volume.beta.kubernetes.io/storage-class: "managed-nfs-storage"  # 这里是上一步创建的nfs动态卷name    spec:      accessModes: [ "ReadWriteOnce" ]      resources:        requests:          storage: 2Gi   # 大小自定义          ---apiVersion: v1kind: Servicemetadata:  name: neo4j-core  namespace: neo4jspec:  selector:    app: neo4j-core  type: NodePort     # 这里用nodeport来开启外网访问，没用traefik是因为7687的连接端口不是http访问，需要4层负载，但是traefik不支持，所以只能通过nodeport来实现外网访问，才能正常访问7474端口的web管理界面。  ports:    - protocol: TCP      name: http      port: 7474      nodePort: 27474      targetPort: 7474    - protocol: TCP      name: blot      port: 7687      nodePort: 27687      targetPort: 7687

kubectl create -f neo4j-core-server.yaml

---apiVersion: apps/v1kind: Deploymentmetadata:  name: neorj-read-replica  namespace: neo4j  labels:    app: neorj-read-replicaspec:  replicas: 3  selector:    matchLabels:      app: neorj-read-replica  template:    metadata:      labels:        app: neorj-read-replica    spec:      containers:      - name: neorj-read-replica        image: neo4j:3.5.5-enterprise        imagePullPolicy: IfNotPresent        env:          - name: NEO4J_ACCEPT_LICENSE_AGREEMENT            value: "yes"          - name: NEO4J_dbms_connectors_default__advertised__address            valueFrom:              fieldRef:                fieldPath: status.podIP          - name: NEO4J_dbms_mode   # 指定模式为只读节点模式            value: "READ_REPLICA"          - name: NEO4J_AUTH            value: "neo4j/your-password"   # 统一设置用户密码          - name: NEO4J_causal__clustering_discovery__type            value: "LIST"          - name: NEO4J_causal__clustering_initial__discovery__members            value: "neo4j-core-0.neo4j-core.neo4j.svc.cluster.local:5000,neo4j-core-1.neo4j-core.neo4j.svc.cluster.local:5000"            ---apiVersion: v1kind: Servicemetadata:  name: neorj-read-replica  namespace: neo4jspec:  selector:    app: neorj-read-replica  ports:  - protocol: TCP    port: 7687    targetPort: 7687

kubectl create -f neo4j-read-replica.yaml

for i in $(seq 0 2); do  cat <<EOF | kubectl create -f -kind: PersistentVolumeapiVersion: v1metadata:  name: pv${i}  labels:    type: local    app: neo4jspec:  capacity:    storage: 1Gi  accessModes:    - ReadWriteOnce  hostPath:    path: "/tmp/${i}"EOF  cat <<EOF | kubectl create -f -kind: PersistentVolumeClaimapiVersion: v1metadata:  name: datadir-neo4j-${i}  labels:    app: neo4jspec:  accessModes:    - ReadWriteOnce  resources:    requests:      storage: 1GiEOFdone

$ kubectl get pvNAME      CAPACITY   ACCESSMODES   STATUS    CLAIM                     REASON    AGEpv0       1Gi        RWO           Bound     default/datadir-neo4j-0             7spv1       1Gi        RWO           Bound     default/datadir-neo4j-1             7spv2       1Gi        RWO           Bound     default/datadir-neo4j-2             7s

$ kubectl get pvcNAME              STATUS    VOLUME    CAPACITY   ACCESSMODES   AGEdatadir-neo4j-0   Bound     pv0       1Gi        RWO           26sdatadir-neo4j-1   Bound     pv1       1Gi        RWO           26sdatadir-neo4j-2   Bound     pv2       1Gi        RWO           25s

# Headless service to provide DNS lookupapiVersion: v1kind: Servicemetadata:  labels:    app: neo4j  name: neo4jspec:  clusterIP: None  ports:    - port: 7474  selector:    app: neo4j----# new API nameapiVersion: "apps/v1alpha1"kind: PetSetmetadata:  name: neo4jspec:  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: 2Gi

$ kubectl create -f neo4j.yaml service "neo4j" createdpetset "neo4j" created

$ kubectl get podsNAME      READY     STATUS    RESTARTS   AGEneo4j-0   1/1       Running   0          2mneo4j-1   1/1       Running   0          14sneo4j-2   1/1       Running   0          10s

$ kubectl logs neo4j-0Starting Neo4j.2016-11-25 16:39:50.333+0000 INFO  Starting...2016-11-25 16:39:51.723+0000 INFO  Bolt enabled on 0.0.0.0:7687.2016-11-25 16:39:51.733+0000 INFO  Initiating metrics...2016-11-25 16:39:51.911+0000 INFO  Waiting for other members to join cluster before continuing...2016-11-25 16:40:12.074+0000 INFO  Started.2016-11-25 16:40:12.428+0000 INFO  Mounted REST API at: /db/manage2016-11-25 16:40:13.350+0000 INFO  Remote interface available at http://neo4j-0.neo4j.default.svc.cluster.local:7474/

$ kubectl logs neo4j-1Starting Neo4j.2016-11-25 16:39:53.846+0000 INFO  Starting...2016-11-25 16:39:56.212+0000 INFO  Bolt enabled on 0.0.0.0:7687.2016-11-25 16:39:56.225+0000 INFO  Initiating metrics...2016-11-25 16:39:56.341+0000 INFO  Waiting for other members to join cluster before continuing...2016-11-25 16:40:16.623+0000 INFO  Started.2016-11-25 16:40:16.951+0000 INFO  Mounted REST API at: /db/manage2016-11-25 16:40:17.607+0000 INFO  Remote interface available at http://neo4j-1.neo4j.default.svc.cluster.local:7474/

$ kubectl logs neo4j-2Starting Neo4j.2016-11-25 16:39:57.828+0000 INFO  Starting...2016-11-25 16:39:59.166+0000 INFO  Bolt enabled on 0.0.0.0:7687.2016-11-25 16:39:59.176+0000 INFO  Initiating metrics...2016-11-25 16:39:59.329+0000 INFO  Waiting for other members to join cluster before continuing...2016-11-25 16:40:19.216+0000 INFO  Started.2016-11-25 16:40:19.675+0000 INFO  Mounted REST API at: /db/manage2016-11-25 16:40:21.029+0000 INFO  Remote interface available at http://neo4j-2.neo4j.default.svc.cluster.local:7474/

$ kubectl port-forward neo4j-0 27474:7474 27687:7687

CALL dbms.cluster.overview()
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