Inspect the service (Engine) - [ Docker 17 中文开发手册 ] - 在线原生手册 - php.cn

Docker 17 中文开发手册

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当您为群集部署服务时，可以使用 Docker CLI 查看群集中运行的服务的详细信息。

如果您还没有，请打开一个终端并将 ssh 放入运行管理器节点的机器中。例如，本教程使用名为的计算机manager1。

运行docker service inspect --pretty <SERVICE-ID>以便于阅读的格式显示有关服务的详细信息。

要查看helloworld服务的详细信息

$ docker service检查--pretty helloworld ID：9uk4639qpg7npwf3fn2aasksr名称：helloworld服务模式：REPLICATED Replicas：1 Placement：UpdateConfig：Parallelism：1 ContainerSpec：Image：alpine参数：ping docker.com资源：端点模式：vip

提示：要以json格式返回服务详细信息，请运行没有--pretty标志的相同命令。

$ docker service inspect helloworld [{“ID”：“9uk4639qpg7npwf3fn2aasksr”，“Version”：{“Index”：418}，“CreatedAt”：“2016-06-16T21：57：11.622222327Z”，“UpdatedAt”：“2016 -06-16T21：57：11.622222327Z“，”Spec“：{”Name“：”helloworld“，”TaskTemplate“：{”ContainerSpec“：{”Image“：”alpine“，”Args“：”ping“， “docker.com”}，“Resources”：{“Limits”：{}，“Reservations”：{}}，“RestartPolicy”：{“条件”：“任何”，“MaxAttempts”：0}，“Placement”：{}}，“Mode”：{“Replicated”：{“Replicas”：1}}“UpdateConfig”：{“Parallelism” ：1}，“EndpointSpec”：{“Mode”：“vip”}}，“Endpoint”：{“Spec”：{}}}]{“Parallelism”：1}，“EndpointSpec”：{“Mode”：“vip”}}，“Endpoint”：{“Spec”：{}}}]{“Parallelism”：1}，“EndpointSpec”：{“Mode”：“vip”}}，“Endpoint”：{“Spec”：{}}}]

运行docker service ps <SERVICE-ID>以查看哪些节点正在运行该服务：$ docker service ps helloworld名称图像节点希望状态最后状态helloworld.1.8p1vev3fq5zm0mi8g0as41w35 alpine worker2运行正在运行3分钟在这种情况下，服务的一个实例helloworld正在worker2节点上运行。您可能会看到服务在您的管理器节点上运行。默认情况下，群中的管理节点可以像工作节点一样执行任务。群也表明你DESIRED STATE和LAST STATE服务任务的，所以你可以看到，如果任务是根据服务定义运行。

在运行docker ps任务的节点上运行，查看有关任务容器的详细信息。

提示：如果helloworld正在管理节点以外的节点上运行，则必须ssh到该节点。

$ docker ps集装箱识别码图像命令创建状态港口名称e609dde94e47 alpine：最新的“ping docker.com”3分钟前up 3分钟helloworld.1.8p1vev3fq5zm0mi8g0as41w35

下一步是什么？

接下来，您可以更改在群中运行的服务的规模。

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