зеркало из https://github.com/microsoft/docker.git
Merge pull request #32199 from yuexiao-wang/add-examples
provide `docker stack ps` examples
This commit is contained in:
Vincent Demeester
GitHub
Коммит
36c2f2731d
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@ -104,7 +104,7 @@ redis.7.bg8c07zzg87di2mufeq51a2qp redis:3.0.6 swarm-manager1 Running R
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#### desired-state
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The `desired-state` filter can take the values `running`, `shutdown`, and `accepted`.
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The `desired-state` filter can take the values `running`, `shutdown`, or `accepted`.
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### Formatting
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@ -119,7 +119,7 @@ Placeholder | Description
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`.Name` | Task name
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`.Image` | Task image
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`.Node` | Node ID
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`.DesiredState` | Desired state of the task (`running`, `shutdown`, and `accepted`)
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`.DesiredState` | Desired state of the task (`running`, `shutdown`, or `accepted`)
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`.CurrentState` | Current state of the task
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`.Error` | Error
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`.Ports` | Task published ports
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@ -129,7 +129,7 @@ output the data exactly as the template declares or, when using the
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`table` directive, includes column headers as well.
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The following example uses a template without headers and outputs the
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`ID` and `Driver` entries separated by a colon for all tasks:
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`Name` and `Image` entries separated by a colon for all tasks:
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```bash
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$ docker node ps --format "{{.Name}}: {{.Image}}"
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@ -149,7 +149,7 @@ ID NAME IMAGE NODE DESIRED STATE CURRENT STATE
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#### desired-state
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The `desired-state` filter can take the values `running`, `shutdown`, and `accepted`.
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The `desired-state` filter can take the values `running`, `shutdown`, or `accepted`.
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### Formatting
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@ -164,7 +164,7 @@ Placeholder | Description
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`.Name` | Task name
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`.Image` | Task image
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`.Node` | Node ID
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`.DesiredState` | Desired state of the task (`running`, `shutdown`, and `accepted`)
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`.DesiredState` | Desired state of the task (`running`, `shutdown`, or `accepted`)
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`.CurrentState` | Current state of the task
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`.Error` | Error
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`.Ports` | Task published ports
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@ -36,8 +36,21 @@ command has to be run targeting a manager node.
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## Examples
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### List the tasks that are part of a stack
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The following command shows all the tasks that are part of the `voting` stack:
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```bash
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$ docker stack ps
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$ docker stack ps voting
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ID NAME IMAGE NODE DESIRED STATE CURRENT STATE ERROR PORTS
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xim5bcqtgk1b voting_worker.1 dockersamples/examplevotingapp_worker:latest node2 Running Running 2 minutes ago
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q7yik0ks1in6 voting_result.1 dockersamples/examplevotingapp_result:before node1 Running Running 2 minutes ago
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rx5yo0866nfx voting_vote.1 dockersamples/examplevotingapp_vote:before node3 Running Running 2 minutes ago
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tz6j82jnwrx7 voting_db.1 postgres:9.4 node1 Running Running 2 minutes ago
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w48spazhbmxc voting_redis.1 redis:alpine node2 Running Running 3 minutes ago
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6jj1m02freg1 voting_visualizer.1 dockersamples/visualizer:stable node1 Running Running 2 minutes ago
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kqgdmededccb voting_vote.2 dockersamples/examplevotingapp_vote:before node2 Running Running 2 minutes ago
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t72q3z038jeh voting_redis.2 redis:alpine node3 Running Running 3 minutes ago
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```
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### Filtering
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@ -49,9 +62,165 @@ Multiple filter flags are combined as an `OR` filter. For example,
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The currently supported filters are:
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* id
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* name
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* desired-state
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* [id](#id)
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* [name](#name)
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* [node](#node)
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* [desired-state](#desired-state)
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#### id
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The `id` filter matches on all or a prefix of a task's ID.
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```bash
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$ docker stack ps -f "id=t" voting
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ID NAME IMAGE NODE DESIRED STATE CURRENTSTATE ERROR PORTS
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tz6j82jnwrx7 voting_db.1 postgres:9.4 node1 Running Running 14 minutes ago
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t72q3z038jeh voting_redis.2 redis:alpine node3 Running Running 14 minutes ago
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```
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#### name
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The `name` filter matches on task names.
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```bash
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$ docker stack ps -f "name=voting_redis" voting
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ID NAME IMAGE NODE DESIRED STATE CURRENTSTATE ERROR PORTS
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w48spazhbmxc voting_redis.1 redis:alpine node2 Running Running 17 minutes ago
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t72q3z038jeh voting_redis.2 redis:alpine node3 Running Running 17 minutes ago
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```
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#### node
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The `node` filter matches on a node name or a node ID.
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```bash
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$ docker stack ps -f "node=node1" voting
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ID NAME IMAGE NODE DESIRED STATE CURRENT STATE ERROR PORTS
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q7yik0ks1in6 voting_result.1 dockersamples/examplevotingapp_result:before node1 Running Running 18 minutes ago
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tz6j82jnwrx7 voting_db.1 postgres:9.4 node1 Running Running 18 minutes ago
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6jj1m02freg1 voting_visualizer.1 dockersamples/visualizer:stable node1 Running Running 18 minutes ago
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```
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#### desired-state
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The `desired-state` filter can take the values `running`, `shutdown`, or `accepted`.
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```bash
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$ docker stack ps -f "desired-state=running" voting
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ID NAME IMAGE NODE DESIRED STATE CURRENT STATE ERROR PORTS
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xim5bcqtgk1b voting_worker.1 dockersamples/examplevotingapp_worker:latest node2 Running Running 21 minutes ago
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q7yik0ks1in6 voting_result.1 dockersamples/examplevotingapp_result:before node1 Running Running 21 minutes ago
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rx5yo0866nfx voting_vote.1 dockersamples/examplevotingapp_vote:before node3 Running Running 21 minutes ago
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tz6j82jnwrx7 voting_db.1 postgres:9.4 node1 Running Running 21 minutes ago
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w48spazhbmxc voting_redis.1 redis:alpine node2 Running Running 21 minutes ago
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6jj1m02freg1 voting_visualizer.1 dockersamples/visualizer:stable node1 Running Running 21 minutes ago
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kqgdmededccb voting_vote.2 dockersamples/examplevotingapp_vote:before node2 Running Running 21 minutes ago
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t72q3z038jeh voting_redis.2 redis:alpine node3 Running Running 21 minutes ago
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```
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### Formatting
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The formatting options (`--format`) pretty-prints tasks output using a Go template.
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Valid placeholders for the Go template are listed below:
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Placeholder | Description
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----------------|------------------------------------------------------------------------------------------
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`.ID` | Task ID
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`.Name` | Task name
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`.Image` | Task image
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`.Node` | Node ID
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`.DesiredState` | Desired state of the task (`running`, `shutdown`, or `accepted`)
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`.CurrentState` | Current state of the task
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`.Error` | Error
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`.Ports` | Task published ports
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When using the `--format` option, the `stack ps` command will either
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output the data exactly as the template declares or, when using the
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`table` directive, includes column headers as well.
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The following example uses a template without headers and outputs the
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`Name` and `Image` entries separated by a colon for all tasks:
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```bash
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$ docker stack ps --format "{{.Name}}: {{.Image}}" voting
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voting_worker.1: dockersamples/examplevotingapp_worker:latest
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voting_result.1: dockersamples/examplevotingapp_result:before
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voting_vote.1: dockersamples/examplevotingapp_vote:before
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voting_db.1: postgres:9.4
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voting_redis.1: redis:alpine
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voting_visualizer.1: dockersamples/visualizer:stable
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voting_vote.2: dockersamples/examplevotingapp_vote:before
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voting_redis.2: redis:alpine
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```
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### Do not map IDs to Names
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The `--no-resolve` option shows IDs for task name, without mapping IDs to Names.
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```bash
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$ docker stack ps --no-resolve voting
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ID NAME IMAGE NODE DESIRED STATE CURRENT STATE ERROR PORTS
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xim5bcqtgk1b 10z9fjfqzsxnezo4hb81p8mqg.1 dockersamples/examplevotingapp_worker:latest qaqt4nrzo775jrx6detglho01 Running Running 30 minutes ago
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q7yik0ks1in6 hbxltua1na7mgqjnidldv5m65.1 dockersamples/examplevotingapp_result:before mxpaef1tlh23s052erw88a4w5 Running Running 30 minutes ago
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rx5yo0866nfx qyprtqw1g5nrki557i974ou1d.1 dockersamples/examplevotingapp_vote:before kanqcxfajd1r16wlnqcblobmm Running Running 31 minutes ago
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tz6j82jnwrx7 122f0xxngg17z52be7xspa72x.1 postgres:9.4 mxpaef1tlh23s052erw88a4w5 Running Running 31 minutes ago
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w48spazhbmxc tg61x8myx563ueo3urmn1ic6m.1 redis:alpine qaqt4nrzo775jrx6detglho01 Running Running 31 minutes ago
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6jj1m02freg1 8cqlyi444kzd3panjb7edh26v.1 dockersamples/visualizer:stable mxpaef1tlh23s052erw88a4w5 Running Running 31 minutes ago
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kqgdmededccb qyprtqw1g5nrki557i974ou1d.2 dockersamples/examplevotingapp_vote:before qaqt4nrzo775jrx6detglho01 Running Running 31 minutes ago
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t72q3z038jeh tg61x8myx563ueo3urmn1ic6m.2 redis:alpine kanqcxfajd1r16wlnqcblobmm Running Running 31 minutes ago
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```
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### Do not truncate output
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When deploying a service, docker resolves the digest for the service's
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image, and pins the service to that digest. The digest is not shown by
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default, but is printed if `--no-trunc` is used. The `--no-trunc` option
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also shows the non-truncated task IDs, and error-messages, as can be seen below:
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```bash
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$ docker stack ps --no-trunc voting
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ID NAME IMAGE NODE DESIRED STATE CURREN STATE ERROR PORTS
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xim5bcqtgk1bxqz91jzo4a1s5 voting_worker.1 dockersamples/examplevotingapp_worker:latest@sha256:3e4ddf59c15f432280a2c0679c4fc5a2ee5a797023c8ef0d3baf7b1385e9fed node2 Running Runnin 32 minutes ago
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q7yik0ks1in6kv32gg6y6yjf7 voting_result.1 dockersamples/examplevotingapp_result:before@sha256:83b56996e930c292a6ae5187fda84dd6568a19d97cdb933720be15c757b7463 node1 Running Runnin 32 minutes ago
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rx5yo0866nfxc58zf4irsss6n voting_vote.1 dockersamples/examplevotingapp_vote:before@sha256:8e64b182c87de902f2b72321c89b4af4e2b942d76d0b772532ff27ec4c6ebf6 node3 Running Runnin 32 minutes ago
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tz6j82jnwrx7n2offljp3mn03 voting_db.1 postgres:9.4@sha256:6046af499eae34d2074c0b53f9a8b404716d415e4a03e68bc1d2f8064f2b027 node1 Running Runnin 32 minutes ago
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w48spazhbmxcmbjfi54gs7x90 voting_redis.1 redis:alpine@sha256:9cd405cd1ec1410eaab064a1383d0d8854d1ef74a54e1e4a92fb4ec7bdc3ee7 node2 Running Runnin 32 minutes ago
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6jj1m02freg1n3z9n1evrzsbl voting_visualizer.1 dockersamples/visualizer:stable@sha256:f924ad66c8e94b10baaf7bdb9cd491ef4e982a1d048a56a17e02bf5945401e5 node1 Running Runnin 32 minutes ago
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kqgdmededccbhz2wuc0e9hx7g voting_vote.2 dockersamples/examplevotingapp_vote:before@sha256:8e64b182c87de902f2b72321c89b4af4e2b942d76d0b772532ff27ec4c6ebf6 node2 Running Runnin 32 minutes ago
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t72q3z038jehe1wbh9gdum076 voting_redis.2 redis:alpine@sha256:9cd405cd1ec1410eaab064a1383d0d8854d1ef74a54e1e4a92fb4ec7bdc3ee7 node3 Running Runnin 32 minutes ago
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```
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### Only display task IDs
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The `-q ` or `--quiet` option only shows IDs of the tasks in the stack.
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This example outputs all task IDs of the "voting" stack;
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```bash
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$ docker stack ps -q voting
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xim5bcqtgk1b
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q7yik0ks1in6
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rx5yo0866nfx
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tz6j82jnwrx7
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w48spazhbmxc
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6jj1m02freg1
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kqgdmededccb
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t72q3z038jeh
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```
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This option can be used to perform batch operations. For example, you can use
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the task IDs as input for other commands, such as `docker inspect`. The
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following example inspects all tasks of the "voting" stack;
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```bash
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$ docker inspect $(docker stack ps -q voting)
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[
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{
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"ID": "xim5bcqtgk1b1gk0krq1",
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"Version": {
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(...)
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```
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## Related commands
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