55 lines
2.4 KiB
Markdown
55 lines
2.4 KiB
Markdown
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---
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layout: "docs"
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page_title: "Managing Plugins - Terraform CLI"
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---
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# Managing Plugins
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Terraform relies on plugins called "providers" in order to manage various types
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of resources. (For more information about providers, see
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[Providers](/docs/configuration/blocks/providers/index.html) in the Terraform
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language docs.)
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-> **Note:** Providers are currently the only plugin type most Terraform users
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will interact with. Terraform also supports third-party provisioner plugins, but
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we discourage their use.
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Terraform downloads and/or installs any providers
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[required](/docs/configuration/provider-requirements.html) by a configuration
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when [initializing](/docs/cli/init/index.html) a working directory. By default,
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this works without any additional interaction but requires network access to
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download providers from their source registry.
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You can configure Terraform's provider installation behavior to limit or skip
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network access, and to enable use of providers that aren't available via a
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networked source. Terraform also includes some commands to show information
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about providers and to reduce the effort of installing providers in airgapped
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environments.
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## Configuring Plugin Installation
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Terraform's configuration file includes options for caching downloaded plugins,
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or explicitly specifying a local or HTTPS mirror to install plugins from. For
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more information, see [CLI Config File](/docs/commands/cli-config.html).
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## Getting Plugin Information
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Use the [`terraform providers`](/docs/commands/providers.html) command to get information
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about the providers required by the current working directory's configuration.
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Use the [`terraform providers schema`](/docs/commands/providers/schema.html) command to
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get machine-readable information about the resources and configuration options
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offered by each provider.
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## Managing Plugin Installation
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Use the [`terraform providers mirror`](/docs/commands/providers/mirror.html) command to
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download local copies of every provider required by the current working
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directory's configuration. This directory will use the nested directory layout
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that Terraform expects when installing plugins from a local source, so you can
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transfer it directly to an airgapped system that runs Terraform.
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Use the [`terraform providers lock`](/docs/commands/providers/lock.html) command
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to update the lock file that Terraform uses to ensure predictable runs when
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using ambiguous provider version constraints.
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