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61 lines
2 KiB
Plaintext
61 lines
2 KiB
Plaintext
---
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layout: commands
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page_title: 'Commands: Watch'
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description: >-
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The `watch` command provides a mechanism to watch for changes in a particular
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data view (list of nodes, service members, key value, etc) and to invoke a
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process with the latest values of the view. If no process is specified, the
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current values are dumped to stdout which can be a useful way to inspect data
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in Consul.
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---
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# Consul Watch
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Command: `consul watch`
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The `watch` command provides a mechanism to watch for changes in a particular
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data view (list of nodes, service members, key value, etc) and to invoke
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a process with the latest values of the view. If no process is specified,
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the current values are dumped to STDOUT which can be a useful way to inspect
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data in Consul.
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There is more [documentation on watches here](/docs/agent/watches).
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## Usage
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Usage: `consul watch [options] [child...]`
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The only required option is `-type` which specifies the particular
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data view. Depending on the type, various options may be required
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or optionally provided. There is more documentation on watch
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[specifications here](/docs/agent/watches).
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#### API Options
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@include 'http_api_options_client.mdx'
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@include 'http_api_options_server.mdx'
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#### Command Options
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- `-key` - Key to watch. Only for `key` type.
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- `-name`- Event name to watch. Only for `event` type.
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- `-passingonly=[true|false]` - Should only passing entries be returned. Defaults to
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`false` and only applies for `service` type.
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- `-prefix` - Key prefix to watch. Only for `keyprefix` type.
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- `-service` - Service to watch. Required for `service` type, optional for `checks` type.
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- `-shell` - Optional, use a shell to run the command (can set a custom shell via the
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SHELL environment variable). The default value is true.
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- `-state` - Check state to filter on. Optional for `checks` type.
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- `-tag` - Service tag to filter on. Optional for `service` type.
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- `-type` - Watch type. Required, one of "`key`, `keyprefix`, `services`,
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`nodes`, `service`, `checks`, or `event`.
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