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command: terraform providers mirror This new command is intended to make it easy to create or update a mirror directory containing suitable providers for the current configuration, producing a layout that is appropriate both for a filesystem mirror or, if copied into the document root of an HTTP server, a network mirror. This initial version is not customizable aside from being able to select multiple platforms to install packages for. Future iterations of this could include commands to turn the JSON index generation on and off, or to instruct it to produce the unpacked directory layout instead of the packed directory layout as it currently does. Both of those options would make the generated directory unsuitable to be a network mirror, but it would still work as a filesystem mirror. In the long run this will hopefully form part of a replacement workflow to terraform-bundle as a way to put copies of providers somewhere so we don't need to re-download them every time, but some other changes will be needed outside of just this command before that'd be true, such as adding support for network and/or filesystem mirrors in Terraform Enterprise.
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---
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layout: "docs"
page_title: "Command: providers mirror"
sidebar_current: "docs-commands-providers-mirror"
command: terraform providers mirror This new command is intended to make it easy to create or update a mirror directory containing suitable providers for the current configuration, producing a layout that is appropriate both for a filesystem mirror or, if copied into the document root of an HTTP server, a network mirror. This initial version is not customizable aside from being able to select multiple platforms to install packages for. Future iterations of this could include commands to turn the JSON index generation on and off, or to instruct it to produce the unpacked directory layout instead of the packed directory layout as it currently does. Both of those options would make the generated directory unsuitable to be a network mirror, but it would still work as a filesystem mirror. In the long run this will hopefully form part of a replacement workflow to terraform-bundle as a way to put copies of providers somewhere so we don't need to re-download them every time, but some other changes will be needed outside of just this command before that'd be true, such as adding support for network and/or filesystem mirrors in Terraform Enterprise.
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description: |-
The `terraform providers mirror` command downloads the providers required
for the current configuration and copies them into a directory in the local
filesystem.
---
# Command: terraform providers mirror
The `terraform providers mirror` command downloads the providers required
for the current configuration and copies them into a directory in the local
filesystem.
In normal use, `terraform init` will automatically download needed providers
from provider registries as part of initializing the current working directory.
Sometimes Terraform is running in an environment where that isn't possible,
such as on an isolated network without access to the Terraform Registry. In
that case,
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[explicit installation method configuration](/docs/cli/config/config-file.html#explicit-installation-method-configuration)
command: terraform providers mirror This new command is intended to make it easy to create or update a mirror directory containing suitable providers for the current configuration, producing a layout that is appropriate both for a filesystem mirror or, if copied into the document root of an HTTP server, a network mirror. This initial version is not customizable aside from being able to select multiple platforms to install packages for. Future iterations of this could include commands to turn the JSON index generation on and off, or to instruct it to produce the unpacked directory layout instead of the packed directory layout as it currently does. Both of those options would make the generated directory unsuitable to be a network mirror, but it would still work as a filesystem mirror. In the long run this will hopefully form part of a replacement workflow to terraform-bundle as a way to put copies of providers somewhere so we don't need to re-download them every time, but some other changes will be needed outside of just this command before that'd be true, such as adding support for network and/or filesystem mirrors in Terraform Enterprise.
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allows you to configure Terraform, when running on a particular system, to
consult only a local filesystem directory where you've created a local mirror
of the necessary plugins, and to skip accessing the upstream registry at all.
The `terraform providers mirror` command can automatically populate a directory
that will be used as a local filesystem mirror in the provider installation
configuration.
-> `terraform providers mirror` is available only in Terraform v0.13 or later.
## Usage
Usage: `terraform providers mirror [options] <target-dir>`
A single target directory is required. Terraform will create under that
directory the path structure that is expected for filesystem-based provider
internal/getproviders: HTTPMirrorSource implementation We previously had this just stubbed out because it was a stretch goal for the v0.13.0 release and it ultimately didn't make it in. Here we fill out the existing stub -- with a minor change to its interface so it can access credentials -- with a client implementation that is compatible with the directory structure produced by the "terraform providers mirror" subcommand, were the result to be published on a static file server.
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plugin mirrors, populating it with `.zip` files containing the plugins
themselves.
Terraform will also generate various `.json` index files which contain suitable
responses to implement
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[the network mirror protocol](/docs/internals/provider-network-mirror-protocol.html),
internal/getproviders: HTTPMirrorSource implementation We previously had this just stubbed out because it was a stretch goal for the v0.13.0 release and it ultimately didn't make it in. Here we fill out the existing stub -- with a minor change to its interface so it can access credentials -- with a client implementation that is compatible with the directory structure produced by the "terraform providers mirror" subcommand, were the result to be published on a static file server.
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if you upload the resulting directory to a static website host. Terraform
ignores those index files when using the directory as a filesystem mirror,
because the directory entries themselves are authoritative in that case.
command: terraform providers mirror This new command is intended to make it easy to create or update a mirror directory containing suitable providers for the current configuration, producing a layout that is appropriate both for a filesystem mirror or, if copied into the document root of an HTTP server, a network mirror. This initial version is not customizable aside from being able to select multiple platforms to install packages for. Future iterations of this could include commands to turn the JSON index generation on and off, or to instruct it to produce the unpacked directory layout instead of the packed directory layout as it currently does. Both of those options would make the generated directory unsuitable to be a network mirror, but it would still work as a filesystem mirror. In the long run this will hopefully form part of a replacement workflow to terraform-bundle as a way to put copies of providers somewhere so we don't need to re-download them every time, but some other changes will be needed outside of just this command before that'd be true, such as adding support for network and/or filesystem mirrors in Terraform Enterprise.
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This command supports the following additional option:
* `-platform=OS_ARCH` - Choose which target platform to build a mirror for.
By default Terraform will obtain plugin packages suitable for the platform
where you run this command. Use this flag multiple times to include packages
for multiple target systems.
Update mirror.html.md
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Target platform names consist of an operating system and a CPU
command: terraform providers mirror This new command is intended to make it easy to create or update a mirror directory containing suitable providers for the current configuration, producing a layout that is appropriate both for a filesystem mirror or, if copied into the document root of an HTTP server, a network mirror. This initial version is not customizable aside from being able to select multiple platforms to install packages for. Future iterations of this could include commands to turn the JSON index generation on and off, or to instruct it to produce the unpacked directory layout instead of the packed directory layout as it currently does. Both of those options would make the generated directory unsuitable to be a network mirror, but it would still work as a filesystem mirror. In the long run this will hopefully form part of a replacement workflow to terraform-bundle as a way to put copies of providers somewhere so we don't need to re-download them every time, but some other changes will be needed outside of just this command before that'd be true, such as adding support for network and/or filesystem mirrors in Terraform Enterprise.
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architecture. For example, `linux_amd64` selects the Linux operating system
running on an AMD64 or x86_64 CPU.
You can run `terraform providers mirror` again on an existing mirror directory
to update it with new packages. For example, you can add packages for a new
target platform by re-running the command with the desired new `-platform=...`
option, and it will place the packages for that new platform without removing
packages you previously downloaded, merging the resulting set of packages
together to update the JSON index files.