mirror of https://github.com/docker/cli.git
162 lines
6.9 KiB
Markdown
162 lines
6.9 KiB
Markdown
---
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title: "service ps"
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description: "The service ps command description and usage"
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keywords: "service, tasks, ps"
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aliases: ["/engine/reference/commandline/service_tasks/"]
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---
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# service ps
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```Markdown
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Usage: docker service ps [OPTIONS] SERVICE
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List the tasks of one or more services
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Options:
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-f, --filter filter Filter output based on conditions provided
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--help Print usage
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--no-resolve Do not map IDs to Names
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--no-trunc Do not truncate output
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-q, --quiet Only display task IDs
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```
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Lists the tasks that are running as part of the specified services. This command
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has to be run targeting a manager node.
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## Examples
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### Listing the tasks that are part of a service
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The following command shows all the tasks that are part of the `redis` service:
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```bash
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$ docker service ps redis
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ID NAME IMAGE NODE DESIRED STATE CURRENT STATE ERROR PORTS
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0qihejybwf1x redis.1 redis:3.0.5 manager1 Running Running 8 seconds
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bk658fpbex0d redis.2 redis:3.0.5 worker2 Running Running 9 seconds
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5ls5s5fldaqg redis.3 redis:3.0.5 worker1 Running Running 9 seconds
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8ryt076polmc redis.4 redis:3.0.5 worker1 Running Running 9 seconds
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1x0v8yomsncd redis.5 redis:3.0.5 manager1 Running Running 8 seconds
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71v7je3el7rr redis.6 redis:3.0.5 worker2 Running Running 9 seconds
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4l3zm9b7tfr7 redis.7 redis:3.0.5 worker2 Running Running 9 seconds
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9tfpyixiy2i7 redis.8 redis:3.0.5 worker1 Running Running 9 seconds
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3w1wu13yupln redis.9 redis:3.0.5 manager1 Running Running 8 seconds
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8eaxrb2fqpbn redis.10 redis:3.0.5 manager1 Running Running 8 seconds
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```
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In addition to _running_ tasks, the output also shows the task history. For
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example, after updating the service to use the `redis:3.0.6` image, the output
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may look like this:
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```bash
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$ docker service ps redis
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ID NAME IMAGE NODE DESIRED STATE CURRENT STATE ERROR PORTS
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50qe8lfnxaxk redis.1 redis:3.0.6 manager1 Running Running 6 seconds ago
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ky2re9oz86r9 \_ redis.1 redis:3.0.5 manager1 Shutdown Shutdown 8 seconds ago
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3s46te2nzl4i redis.2 redis:3.0.6 worker2 Running Running less than a second ago
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nvjljf7rmor4 \_ redis.2 redis:3.0.6 worker2 Shutdown Rejected 23 seconds ago "No such image: redis@sha256:6…"
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vtiuz2fpc0yb \_ redis.2 redis:3.0.5 worker2 Shutdown Shutdown 1 second ago
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jnarweeha8x4 redis.3 redis:3.0.6 worker1 Running Running 3 seconds ago
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vs448yca2nz4 \_ redis.3 redis:3.0.5 worker1 Shutdown Shutdown 4 seconds ago
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jf1i992619ir redis.4 redis:3.0.6 worker1 Running Running 10 seconds ago
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blkttv7zs8ee \_ redis.4 redis:3.0.5 worker1 Shutdown Shutdown 11 seconds ago
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```
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The number of items in the task history is determined by the
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`--task-history-limit` option that was set when initializing the swarm. You can
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change the task history retention limit using the
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[`docker swarm update`](swarm_update.md) command.
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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 ID, and error-messages, as can be seen below;
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```bash
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$ docker service ps --no-trunc redis
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ID NAME IMAGE NODE DESIRED STATE CURRENT STATE ERROR PORTS
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50qe8lfnxaxksi9w2a704wkp7 redis.1 redis:3.0.6@sha256:6a692a76c2081888b589e26e6ec835743119fe453d67ecf03df7de5b73d69842 manager1 Running Running 5 minutes ago
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ky2re9oz86r9556i2szb8a8af \_ redis.1 redis:3.0.5@sha256:f8829e00d95672c48c60f468329d6693c4bdd28d1f057e755f8ba8b40008682e worker2 Shutdown Shutdown 5 minutes ago
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bk658fpbex0d57cqcwoe3jthu redis.2 redis:3.0.6@sha256:6a692a76c2081888b589e26e6ec835743119fe453d67ecf03df7de5b73d69842 worker2 Running Running 5 seconds
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nvjljf7rmor4htv7l8rwcx7i7 \_ redis.2 redis:3.0.6@sha256:6a692a76c2081888b589e26e6ec835743119fe453d67ecf03df7de5b73d69842 worker2 Shutdown Rejected 5 minutes ago "No such image: redis@sha256:6a692a76c2081888b589e26e6ec835743119fe453d67ecf03df7de5b73d69842"
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```
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## Filtering
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The filtering flag (`-f` or `--filter`) format is a `key=value` pair. If there
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is more than one filter, then pass multiple flags (e.g. `--filter "foo=bar" --filter "bif=baz"`).
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Multiple filter flags are combined as an `OR` filter. For example,
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`-f name=redis.1 -f name=redis.7` returns both `redis.1` and `redis.7` tasks.
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The currently supported filters are:
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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 service ps -f "id=8" redis
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ID NAME IMAGE NODE DESIRED STATE CURRENT STATE ERROR PORTS
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8ryt076polmc redis.4 redis:3.0.6 worker1 Running Running 9 seconds
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8eaxrb2fqpbn redis.10 redis:3.0.6 manager1 Running Running 8 seconds
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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 service ps -f "name=redis.1" redis
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ID NAME IMAGE NODE DESIRED STATE CURRENT STATE ERROR PORTS
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qihejybwf1x5 redis.1 redis:3.0.6 manager1 Running Running 8 seconds
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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 service ps -f "node=manager1" redis
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ID NAME IMAGE NODE DESIRED STATE CURRENT STATE ERROR PORTS
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0qihejybwf1x redis.1 redis:3.0.6 manager1 Running Running 8 seconds
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1x0v8yomsncd redis.5 redis:3.0.6 manager1 Running Running 8 seconds
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3w1wu13yupln redis.9 redis:3.0.6 manager1 Running Running 8 seconds
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8eaxrb2fqpbn redis.10 redis:3.0.6 manager1 Running Running 8 seconds
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```
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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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## Related information
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* [service create](service_create.md)
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* [service inspect](service_inspect.md)
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* [service logs](service_logs.md)
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* [service ls](service_ls.md)
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* [service rm](service_rm.md)
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* [service scale](service_scale.md)
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* [service update](service_update.md)
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