64 lines
2.9 KiB
Plaintext
64 lines
2.9 KiB
Plaintext
---
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page_title: 'Command: providers mirror'
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description: |-
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The `terraform providers mirror` command downloads the providers required
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for the current configuration and copies them into a directory in the local
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filesystem.
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---
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# Command: terraform providers mirror
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The `terraform providers mirror` command downloads the providers required
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for the current configuration and copies them into a directory in the local
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filesystem.
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In normal use, `terraform init` will automatically download needed providers
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from provider registries as part of initializing the current working directory.
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Sometimes Terraform is running in an environment where that isn't possible,
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such as on an isolated network without access to the Terraform Registry. In
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that case,
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[explicit installation method configuration](/cli/config/config-file#explicit-installation-method-configuration)
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allows you to configure Terraform, when running on a particular system, to
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consult only a local filesystem directory where you've created a local mirror
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of the necessary plugins, and to skip accessing the upstream registry at all.
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The `terraform providers mirror` command can automatically populate a directory
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that will be used as a local filesystem mirror in the provider installation
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configuration.
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-> `terraform providers mirror` is available only in Terraform v0.13 or later.
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## Usage
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Usage: `terraform providers mirror [options] <target-dir>`
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A single target directory is required. Terraform will create under that
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directory the path structure that is expected for filesystem-based provider
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plugin mirrors, populating it with `.zip` files containing the plugins
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themselves.
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Terraform will also generate various `.json` index files which contain suitable
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responses to implement
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[the network mirror protocol](/internals/provider-network-mirror-protocol),
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if you upload the resulting directory to a static website host. Terraform
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ignores those index files when using the directory as a filesystem mirror,
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because the directory entries themselves are authoritative in that case.
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This command supports the following additional option:
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* `-platform=OS_ARCH` - Choose which target platform to build a mirror for.
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By default Terraform will obtain plugin packages suitable for the platform
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where you run this command. Use this flag multiple times to include packages
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for multiple target systems.
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Target platform names consist of an operating system and a CPU
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architecture. For example, `linux_amd64` selects the Linux operating system
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running on an AMD64 or x86_64 CPU.
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You can run `terraform providers mirror` again on an existing mirror directory
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to update it with new packages. For example, you can add packages for a new
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target platform by re-running the command with the desired new `-platform=...`
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option, and it will place the packages for that new platform without removing
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packages you previously downloaded, merging the resulting set of packages
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together to update the JSON index files.
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