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87 lines
3.1 KiB
Markdown
87 lines
3.1 KiB
Markdown
# buildx ls
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```text
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docker buildx ls
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```
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<!---MARKER_GEN_START-->
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List builder instances
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### Options
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| Name | Type | Default | Description |
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|:----------------------|:---------|:--------|:----------------------|
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| `-D`, `--debug` | `bool` | | Enable debug logging |
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| [`--format`](#format) | `string` | `table` | Format the output |
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| `--no-trunc` | `bool` | | Don't truncate output |
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<!---MARKER_GEN_END-->
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## Description
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Lists all builder instances and the nodes for each instance.
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```console
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$ docker buildx ls
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NAME/NODE DRIVER/ENDPOINT STATUS BUILDKIT PLATFORMS
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elated_tesla* docker-container
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\_ elated_tesla0 \_ unix:///var/run/docker.sock running v0.10.3 linux/amd64
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\_ elated_tesla1 \_ ssh://ubuntu@1.2.3.4 running v0.10.3 linux/arm64*, linux/arm/v7, linux/arm/v6
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default docker
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\_ default \_ default running v0.8.2 linux/amd64
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```
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Each builder has one or more nodes associated with it. The current builder's
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name is marked with a `*` in `NAME/NODE` and explicit node to build against for
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the target platform marked with a `*` in the `PLATFORMS` column.
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## Examples
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### <a name="format"></a> Format the output (--format)
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The formatting options (`--format`) pretty-prints builder instances output
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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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| `.Name` | Builder or node name |
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| `.DriverEndpoint` | Driver (for builder) or Endpoint (for node) |
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| `.LastActivity` | Builder last activity |
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| `.Status` | Builder or node status |
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| `.Buildkit` | BuildKit version of the node |
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| `.Platforms` | Available node's platforms |
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| `.Error` | Error |
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| `.Builder` | Builder object |
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When using the `--format` option, the `ls` command will either output the data
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exactly as the template declares or, when using the `table` directive, includes
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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 `DriverEndpoint` entries separated by a colon (`:`):
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```console
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$ docker buildx ls --format "{{.Name}}: {{.DriverEndpoint}}"
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elated_tesla: docker-container
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elated_tesla0: unix:///var/run/docker.sock
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elated_tesla1: ssh://ubuntu@1.2.3.4
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default: docker
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default: default
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```
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The `Builder` placeholder can be used to access the builder object and its
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fields. For example, the following template outputs the builder's and
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nodes' names with their respective endpoints:
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```console
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$ docker buildx ls --format "{{.Builder.Name}}: {{range .Builder.Nodes}}\n {{.Name}}: {{.Endpoint}}{{end}}"
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elated_tesla:
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elated_tesla0: unix:///var/run/docker.sock
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elated_tesla1: ssh://ubuntu@1.2.3.4
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default: docker
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default: default
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```
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