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文字

描述

列出在一个或多个节点上运行的任务,默认为当前节点

用法

docker node ps [OPTIONS] [NODE...]

选项

名字,简写

默认

描述

--filter, -f


根据提供的条件过滤输出

--format


使用Go模板的打印任务

--no-resolve

false

不要将ID映射到名称

--no-trunc

false

不要截断输出

--quiet, -q

false

只显示任务ID

父命令

命令

描述

docker节点

管理Swarm节点

相关命令

命令

描述

docker node demote

从群中的经理中降级一个或多个节点

docker node inspect

在一个或多个节点上显示详细信息

docker node ls

列出群中的节点

docker node promote

将一个或多个节点提升为群中的经理

docker node ps

列出在一个或多个节点上运行的任务,默认为当前节点

docker node rm

从群中删除一个或多个节点

docker node update

更新节点

扩展描述

列出Docker知道的节点上的所有任务。您可以使用-f--filter标志进行过滤。有关可用过滤器选项的更多信息,请参阅过滤部分。

实例

$ docker node ps swarm-manager1
NAME                                IMAGE        NODE            DESIRED STATE  CURRENT STATE
redis.1.7q92v0nr1hcgts2amcjyqg3pq   redis:3.0.6  swarm-manager1  Running        Running 5 hours
redis.6.b465edgho06e318egmgjbqo4o   redis:3.0.6  swarm-manager1  Running        Running 29 seconds
redis.7.bg8c07zzg87di2mufeq51a2qp   redis:3.0.6  swarm-manager1  Running        Running 5 seconds
redis.9.dkkual96p4bb3s6b10r7coxxt   redis:3.0.6  swarm-manager1  Running        Running 5 seconds
redis.10.0tgctg8h8cech4w0k0gwrmr23  redis:3.0.6  swarm-manager1  Running        Running 5 seconds

过滤

过滤标志(-f--filter)格式为“key = value”。如果有多个过滤器,则传递多个标志(例如--filter "foo=bar" --filter "bif=baz"

目前支持的过滤器是:

  • name

  • id

  • label

  • desired-state

name

name过滤器上的任务名称的全部或部分匹配。

以下过滤器将使用包含该redis字符串的名称匹配所有任务。

$ docker node ps -f name=redis swarm-manager1

NAME                                IMAGE        NODE            DESIRED STATE  CURRENT STATE
redis.1.7q92v0nr1hcgts2amcjyqg3pq   redis:3.0.6  swarm-manager1  Running        Running 5 hours
redis.6.b465edgho06e318egmgjbqo4o   redis:3.0.6  swarm-manager1  Running        Running 29 seconds
redis.7.bg8c07zzg87di2mufeq51a2qp   redis:3.0.6  swarm-manager1  Running        Running 5 seconds
redis.9.dkkual96p4bb3s6b10r7coxxt   redis:3.0.6  swarm-manager1  Running        Running 5 seconds
redis.10.0tgctg8h8cech4w0k0gwrmr23  redis:3.0.6  swarm-manager1  Running        Running 5 seconds

id

id过滤器匹配任务的ID。

$ docker node ps -f id=bg8c07zzg87di2mufeq51a2qp swarm-manager1

NAME                                IMAGE        NODE            DESIRED STATE  CURRENT STATE
redis.7.bg8c07zzg87di2mufeq51a2qp   redis:3.0.6  swarm-manager1  Running        Running 5 seconds

label

label过滤器匹配基础上的存在的任务label单独或label和值。

usage不管其值如何,以下过滤器都会将任务与标签进行匹配。

$ docker node ps -f "label=usage"NAME                               IMAGE        NODE            DESIRED STATE  CURRENT STATE
redis.6.b465edgho06e318egmgjbqo4o  redis:3.0.6  swarm-manager1  Running        Running 10 minutes
redis.7.bg8c07zzg87di2mufeq51a2qp  redis:3.0.6  swarm-manager1  Running        Running 9 minutes

desired-state

desired-state过滤器可以取值runningshutdown,或accepted

Formatting

格式化选项(--format)可以很好地打印使用Go模板输出的任务。

下面列出了Go模板的有效占位符:

占位符

描述

.Name

任务名称

.Image

任务图像

.Node

节点ID

.DesiredState

任务的期望状态(运行,关闭或接受)

.CurrentState

任务的当前状态

.Error

错误

.Ports

任务发布的端口

当使用--format选项时,node ps命令将完全按照模板声明输出数据,或者在使用该table指令时也包含列标题。

下面的示例使用没有标头的模板,并输出NameImage用冒号分隔的项用于所有任务:

$ docker node ps --format "{{.Name}}: {{.Image}}"top.1: busybox
top.2: busybox
top.3: busybox
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