快速发布zookeeper集群
ZooKeeper是一个分布式的，开放源码的分布式应用程序协调服务，是Google的Chubby一个开源的实现，是Hadoop和Hbase的重要组件。它是一个为分布式应用提供一致性服务的软件，提供的功能包括：配置维护、域名服务、分布式同步、组服务等。
准备dab文件
{
"Version":"",
"Services":{
"node1":{
"Name":"node1",
"RegistryAuth":"",
"Labels":{
},
"TaskTemplate":{
"ContainerSpec":{
"Image":"zookeeper",
"Labels":{
},
"Command":[
],
"Env":[
"ZOO_SERVERS=server.1=node1:2888:2888 server.2=node2:2889:3889 server.3=node3:2890:3890",
"ZOO_MY_ID=1"
],
"Dir":"",
"User":"",
"Mounts":[
],
"StopGracePeriod":null,
"Args":[
]
},
"Resources":{
"Limits":{
"NanoCPUs":null,
"MemoryBytes":null
},
"Reservations":{
"NanoCPUs":null,
"MemoryBytes":null
}
},
"RestartPolicy":{
"Condition":"any",
"Delay":null,
"MaxAttempts":null,
"Window":null
},
"Placement":{
"Constraints":[
]
},
"LogDriver":{
}
},
"Mode":{
"Replicated":{
"Replicas":1
}
},
"UpdateConfig":{
"Parallelism":null,
"Delay":null,
"FailureAction":"continue"
},
"Networks":[
"ingress"
],
"EndpointSpec":{
"Mode":"vip",
"Ports":[
{
"Name":"",
"Protocol":"tcp",
"TargetPort":2181,
"PublishedPort":2181
},
{
"Name":"",
"Protocol":"tcp",
"TargetPort":2888,
"PublishedPort":2888
},
{
"Name":"",
"Protocol":"tcp",
"TargetPort":3888,
"PublishedPort":3888
}
]
}
},
"node2":{
"Name":"node2",
"RegistryAuth":"",
"Labels":{
},
"TaskTemplate":{
"ContainerSpec":{
"Image":"zookeeper",
"Labels":{
},
"Command":[
],
"Env":[
"ZOO_SERVERS=server.1=node1:2888:2888 server.2=node2:2889:3889 server.3=node3:2890:3890",
"ZOO_MY_ID=2"
],
"Dir":"",
"User":"",
"Mounts":[
],
"StopGracePeriod":null,
"Args":[
]
},
"Resources":{
"Limits":{
"NanoCPUs":null,
"MemoryBytes":null
},
"Reservations":{
"NanoCPUs":null,
"MemoryBytes":null
}
},
"RestartPolicy":{
"Condition":"any",
"Delay":null,
"MaxAttempts":null,
"Window":null
},
"Placement":{
"Constraints":[
]
},
"LogDriver":{
}
},
"Mode":{
"Replicated":{
"Replicas":1
}
},
"UpdateConfig":{
"Parallelism":null,
"Delay":null,
"FailureAction":"continue"
},
"Networks":[
"ingress"
],
"EndpointSpec":{
"Mode":"vip",
"Ports":[
{
"Name":"",
"Protocol":"tcp",
"TargetPort":2181,
"PublishedPort":2182
},
{
"Name":"",
"Protocol":"tcp",
"TargetPort":2888,
"PublishedPort":2889
},
{
"Name":"",
"Protocol":"tcp",
"TargetPort":3888,
"PublishedPort":3889
}
]
}
},
"node3":{
"Name":"node3",
"RegistryAuth":"",
"Labels":{
},
"TaskTemplate":{
"ContainerSpec":{
"Image":"zookeeper",
"Labels":{
},
"Command":[
],
"Env":[
"ZOO_SERVERS=server.1=node1:2888:2888 server.2=node2:2889:3889 server.3=node3:2890:3890",
"ZOO_MY_ID=3"
],
"Dir":"",
"User":"",
"Mounts":[
],
"StopGracePeriod":null,
"Args":[
]
},
"Resources":{
"Limits":{
"NanoCPUs":null,
"MemoryBytes":null
},
"Reservations":{
"NanoCPUs":null,
"MemoryBytes":null
}
},
"RestartPolicy":{
"Condition":"any",
"Delay":null,
"MaxAttempts":null,
"Window":null
},
"Placement":{
"Constraints":[
]
},
"LogDriver":{
}
},
"Mode":{
"Replicated":{
"Replicas":1
}
},
"UpdateConfig":{
"Parallelism":null,
"Delay":null,
"FailureAction":"continue"
},
"Networks":[
"ingress"
],
"EndpointSpec":{
"Mode":"vip",
"Ports":[
{
"Name":"",
"Protocol":"tcp",
"TargetPort":2181,
"PublishedPort":2190
},
{
"Name":"",
"Protocol":"tcp",
"TargetPort":2888,
"PublishedPort":2890
},
{
"Name":"",
"Protocol":"tcp",
"TargetPort":3888,
"PublishedPort":3890
}
]
}
}
}
}
创建应用
点击创建创建应用--选择DAB创建--填写应用名称--选择dab文件--部署。
等待系统拉取镜像成功，应用即可运行。
注 示例文件许多非必要参数未赋值，可以根据实际情况填写。如果涉及端口改变，需要修改对应的环境变量值。
应用发布成功后，可以通过进入容器内部，直接通过进入容器内部，（点击容器id--终端）执行./bin/zsServer.sh status 查看该容器的节点属性leaderorfollow.