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66 lines
1.7 KiB
Plaintext
66 lines
1.7 KiB
Plaintext
---
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layout: docs
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page_title: 'nomad alloc signal command reference'
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description: |
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The `nomad alloc signal` command sends a signal to a running allocation or task.
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---
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# `nomad alloc signal` command reference
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The `alloc signal` command allows a user to perform an in place signal of an
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an entire allocation or individual task.
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## Usage
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```plaintext
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nomad alloc signal [options] <allocation> <task>
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```
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This command accepts a single allocation ID and a task name. The task name must
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be part of the allocation and the task must be currently running. The task name
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is optional and if omitted every task in the allocation will be signaled.
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Task name may also be specified using the `-task` option rather than a command
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argument. If task name is given with both an argument and the `-task` option,
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preference is given to the `-task` option.
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When ACLs are enabled, this command requires a token with the
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`alloc-lifecycle`, `read-job`, and `list-jobs` capabilities for the
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allocation's namespace.
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## Options
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- `-s`: Signal to send to the tasks. Valid options depend on the driver.
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- `-task`: Specify the individual task that will receive the signal.
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- `-verbose`: Display verbose output.
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## Examples
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```shell-session
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$ nomad alloc signal eb17e557
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$ nomad alloc signal eb17e557 redis
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Could not find task named: redis, found:
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* test
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<blocking>
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```
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Specifying task name with the `-task` option:
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```shell-session
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$ nomad alloc signal -task redis eb17e557
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```
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If task name is specified using both options, the command argument is ignored.
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The following will signal the "redis" task only, not the "api" task:
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```shell-session
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$ nomad alloc signal -task redis eb17e557 api
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```
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## General options
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@include 'general_options.mdx'
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