website: Language: Remove several ghost pages, update links
During the language/CLI docs reorg, we noticed several pages that were no longer viable; some were redundant, some useless, and some just very obsolete. Since we were trying to avoid breaking links at the time, we opted to remove them from the navs and leave them as "ghost pages" — still accessible, but not findable. This commit finally cleans these ghosts up and updates any remaining links to relevant modern pages. Bustin' makes me feel good. 👻🚫
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@ -1,147 +0,0 @@
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---
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layout: "language"
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page_title: "Backends: Configuration"
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sidebar_current: "docs-backends-config"
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description: |-
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Backends are configured directly in Terraform files in the `terraform` section.
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---
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# Backend Configuration
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Backends are configured directly in Terraform files in the `terraform`
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section. After configuring a backend, it has to be
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[initialized](/docs/backends/init.html).
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Below, we show a complete example configuring the "consul" backend:
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```hcl
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terraform {
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backend "consul" {
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address = "demo.consul.io"
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scheme = "https"
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path = "example_app/terraform_state"
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}
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}
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```
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You specify the backend type as a key to the `backend` stanza. Within the
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stanza are backend-specific configuration keys. The list of supported backends
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and their configuration details can be found [here](/docs/backends/types/index.html).
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Only one backend may be specified and the configuration **may not contain
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interpolations**. Terraform will validate this.
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## First Time Configuration
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When configuring a backend for the first time (moving from no defined backend
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to explicitly configuring one), Terraform will give you the option to migrate
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your state to the new backend. This lets you adopt backends without losing
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any existing state.
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To be extra careful, we always recommend manually backing up your state
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as well. You can do this by simply copying your `terraform.tfstate` file
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to another location. The initialization process should create a backup
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as well, but it never hurts to be safe!
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Configuring a backend for the first time is no different than changing
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a configuration in the future: create the new configuration and run
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`terraform init`. Terraform will guide you the rest of the way.
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## Partial Configuration
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You do not need to specify every required argument in the backend configuration.
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Omitting certain arguments may be desirable to avoid storing secrets, such as
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access keys, within the main configuration. When some or all of the arguments
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are omitted, we call this a _partial configuration_.
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With a partial configuration, the remaining configuration arguments must be
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provided as part of
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[the initialization process](/docs/backends/init.html#backend-initialization).
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There are several ways to supply the remaining arguments:
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* **Interactively**: Terraform will interactively ask you for the required
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values, unless interactive input is disabled. Terraform will not prompt for
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optional values.
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* **File**: A [backend configuration file](#backend-configuration-file) may be specified via the
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`init` command line. To specify a file, use the `-backend-config=PATH`
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option when running `terraform init`. If the file contains secrets it may be
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kept in a secure data store, such as [Vault](https://www.vaultproject.io/),
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in which case it must be downloaded to the local disk before running
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Terraform.
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* **Command-line key/value pairs**: Key/value pairs can be specified via the
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`init` command line. Note that many shells retain command-line flags in a
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history file, so this isn't recommended for secrets. To specify a single
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key/value pair, use the `-backend-config="KEY=VALUE"` option when running
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`terraform init`.
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If backend settings are provided in multiple locations, the top-level
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settings are merged such that any command-line options override the settings
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in the main configuration and then the command-line options are processed
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in order, with later options overriding values set by earlier options.
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The final, merged configuration is stored on disk in the `.terraform`
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directory, which should be ignored from version control. This means that
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sensitive information can be omitted from version control, but it will be
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present in plain text on local disk when running Terraform.
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When using partial configuration, Terraform requires at a minimum that
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an empty backend configuration is specified in one of the root Terraform
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configuration files, to specify the backend type. For example:
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```hcl
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terraform {
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backend "consul" {}
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}
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```
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## Backend Configuration File
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A backend configuration file has the contents of the `backend` block as
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top-level attributes, without the need to wrap it in another `terraform`
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or `backend` block:
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```hcl
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address = "demo.consul.io"
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path = "example_app/terraform_state"
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scheme = "https"
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```
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The same settings can alternatively be specified on the command line as
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follows:
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```
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$ terraform init \
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-backend-config="address=demo.consul.io" \
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-backend-config="path=example_app/terraform_state" \
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-backend-config="scheme=https"
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```
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## Changing Configuration
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You can change your backend configuration at any time. You can change
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both the configuration itself as well as the type of backend (for example
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from "consul" to "s3").
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Terraform will automatically detect any changes in your configuration
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and request a [reinitialization](/docs/backends/init.html). As part of
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the reinitialization process, Terraform will ask if you'd like to migrate
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your existing state to the new configuration. This allows you to easily
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switch from one backend to another.
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If you're using multiple [workspaces](/docs/language/state/workspaces.html),
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Terraform can copy all workspaces to the destination. If Terraform detects
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you have multiple workspaces, it will ask if this is what you want to do.
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If you're just reconfiguring the same backend, Terraform will still ask if you
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want to migrate your state. You can respond "no" in this scenario.
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## Unconfiguring a Backend
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If you no longer want to use any backend, you can simply remove the
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configuration from the file. Terraform will detect this like any other
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change and prompt you to [reinitialize](/docs/backends/init.html).
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As part of the reinitialization, Terraform will ask if you'd like to migrate
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your state back down to normal local state. Once this is complete then
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Terraform is back to behaving as it does by default.
|
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@ -1,45 +0,0 @@
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---
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layout: "language"
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page_title: "Backends"
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sidebar_current: "docs-backends-index"
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description: |-
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A "backend" in Terraform determines how state is loaded and how an operation such as `apply` is executed. This abstraction enables non-local file state storage, remote execution, etc.
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---
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# Backends
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A "backend" in Terraform determines how state is loaded and how an operation
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such as `apply` is executed. This abstraction enables non-local file state
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storage, remote execution, etc.
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By default, Terraform uses the "local" backend, which is the normal behavior
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of Terraform you're used to. This is the backend that was being invoked
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throughout the [introduction](/intro/index.html).
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Here are some of the benefits of backends:
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* **Working in a team**: Backends can store their state remotely and
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protect that state with locks to prevent corruption. Some backends
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such as Terraform Cloud even automatically store a history of
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all state revisions.
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* **Keeping sensitive information off disk**: State is retrieved from
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backends on demand and only stored in memory. If you're using a backend
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such as Amazon S3, the only location the state ever is persisted is in
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S3.
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* **Remote operations**: For larger infrastructures or certain changes,
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`terraform apply` can take a long, long time. Some backends support
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remote operations which enable the operation to execute remotely. You can
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then turn off your computer and your operation will still complete. Paired
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with remote state storage and locking above, this also helps in team
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environments.
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**Backends are completely optional**. You can successfully use Terraform without
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ever having to learn or use backends. However, they do solve pain points that
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afflict teams at a certain scale. If you're an individual, you can likely
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get away with never using backends.
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Even if you only intend to use the "local" backend, it may be useful to
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learn about backends since you can also change the behavior of the local
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backend.
|
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@ -1,31 +0,0 @@
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---
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layout: "language"
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page_title: "Backends: Init"
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sidebar_current: "docs-backends-init"
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description: |-
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Terraform must initialize any configured backend before use. This can be done by simply running `terraform init`.
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---
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# Backend Initialization
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Terraform must initialize any configured backend before use. This can be
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done by simply running `terraform init`.
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The `terraform init` command should be run by any member of your team on
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any Terraform configuration as a first step. It is safe to execute multiple
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times and performs all the setup actions required for a Terraform environment,
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including initializing the backend.
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The `init` command must be called:
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* On any new environment that configures a backend
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* On any change of the backend configuration (including type of backend)
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* On removing backend configuration completely
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You don't need to remember these exact cases. Terraform will detect when
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initialization is required and error in that situation. Terraform doesn't
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auto-initialize because it may require additional information from the user,
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perform state migrations, etc.
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The `init` command will do more than just initialize the backend. Please see
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the [init documentation](/docs/commands/init.html) for more information.
|
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@ -1,32 +0,0 @@
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---
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layout: "language"
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page_title: "Backends: Remote Operations (plan, apply, etc.)"
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sidebar_current: "docs-backends-operations"
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description: |-
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Some backends support the ability to run operations (`refresh`, `plan`, `apply`, etc.) remotely. Terraform will continue to look and behave as if they're running locally while they in fact run on a remote machine.
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---
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# Remote Operations (plan, apply, etc.)
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Most backends run all operations on the local system — although Terraform stores
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its state remotely with these backends, it still executes its logic locally and
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makes API requests directly from the system where it was invoked.
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This is simple to understand and work with, but when many people are
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collaborating on the same Terraform configurations, it requires everyone's
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execution environment to be similar. This includes sharing access to
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infrastructure provider credentials, keeping Terraform versions in sync,
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keeping Terraform variables in sync, and installing any extra software required
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by Terraform providers. This becomes more burdensome as teams get larger.
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Some backends can run operations (`plan`, `apply`, etc.) on a remote machine,
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while appearing to execute locally. This enables a more consistent execution
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environment and more powerful access controls, without disrupting workflows
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for users who are already comfortable with running Terraform.
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Currently, [the `remote` backend](./types/remote.html) is the only backend to
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support remote operations, and [Terraform Cloud](/docs/cloud/index.html)
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is the only remote execution environment that supports it. For more information, see:
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- [The `remote` backend](./types/remote.html)
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- [Terraform Cloud's CLI-driven run workflow](/docs/cloud/run/cli.html)
|
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@ -1,25 +0,0 @@
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---
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layout: "language"
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page_title: "Backend: Supported Backend Types"
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sidebar_current: "docs-backends-types-index"
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description: |-
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Terraform can store the state remotely, making it easier to version and work with in a team.
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---
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# Backend Types
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This section documents the various backend types supported by Terraform.
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If you're not familiar with backends, please
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[read the sections about backends](/docs/backends/index.html) first.
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Backends may support differing levels of features in Terraform. We differentiate
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these by calling a backend either **standard** or **enhanced**. All backends
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must implement **standard** functionality. These are defined below:
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* **Standard**: State management, functionality covered in
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[State Storage & Locking](/docs/language/state/backends.html)
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* **Enhanced**: Everything in standard plus
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[remote operations](/docs/backends/operations.html).
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The backends are separated in the left by standard and enhanced.
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@ -75,7 +75,7 @@ activating credentials) before running `terraform init`.
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## Backend Initialization
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During init, the root configuration directory is consulted for
|
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[backend configuration](/docs/backends/config.html) and the chosen backend
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[backend configuration](/docs/language/settings/backends/configuration.html) and the chosen backend
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is initialized using the given configuration settings.
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Re-running init with an already-initialized backend will update the working
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|
@ -91,7 +91,7 @@ when the working directory was already previously initialized for a particular
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backend.
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The `-backend-config=...` option can be used for
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[partial backend configuration](/docs/backends/config.html#partial-configuration),
|
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[partial backend configuration](/docs/language/settings/backends/configuration.html#partial-configuration),
|
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in situations where the backend settings are dynamic or sensitive and so cannot
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be statically specified in the configuration file.
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|
|
|
@ -98,7 +98,7 @@ path of the root module. In general, you probably want the
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The syntax is `terraform.<FIELD>`. This variable type contains metadata about
|
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the currently executing Terraform run. FIELD can currently only be `env` to
|
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reference the currently active [state environment](/docs/state/environments.html).
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reference the currently active workspace.
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## Conditionals
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|
|
|
@ -15,7 +15,7 @@ feature that was removed in Terraform 0.12.
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|||
|
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The [`terraform push` command](/docs/commands/push.html) uploads a configuration to a Terraform Enterprise (legacy) environment. The name of the environment (and the organization it's in) can be specified on the command line, or as part of the Terraform configuration in an `atlas` block.
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The `atlas` block does not configure remote state; it only configures the push command. For remote state, [use a `terraform { backend "<NAME>" {...} }` block](/docs/backends/config.html).
|
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The `atlas` block does not configure remote state; it only configures the push command. For remote state, use a `terraform { backend "<NAME>" {...} }` block.
|
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|
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This page assumes you're familiar with the
|
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[configuration syntax](./syntax.html)
|
||||
|
|
|
@ -41,7 +41,7 @@ that must be met to perform operations on this configuration. If the
|
|||
running Terraform version doesn't meet these constraints, an error
|
||||
is shown. See the section below dedicated to this option.
|
||||
|
||||
See [backends](/docs/backends/index.html) for more detail on the `backend`
|
||||
See [backends](/docs/language/settings/backends/configuration.html) for more detail on the `backend`
|
||||
configuration.
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**No value within the `terraform` block can use interpolations.** The
|
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|
|
|
@ -111,9 +111,7 @@ To browse the publicly available providers and their documentation, see
|
|||
-> **Note:** Provider documentation used to be hosted directly on terraform.io,
|
||||
as part of Terraform's core documentation. Although some provider documentation
|
||||
might still be hosted here, the Terraform Registry is now the main home for all
|
||||
public provider docs. (The exception is the built-in
|
||||
[`terraform` provider](/docs/providers/terraform/index.html) for reading state
|
||||
data, since it is not available on the Terraform Registry.)
|
||||
public provider docs.
|
||||
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## Resource Behavior
|
||||
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|
|
|
@ -75,7 +75,7 @@ terraform {
|
|||
}
|
||||
```
|
||||
|
||||
-> **NOTE:** When using a Service Principal or an Access Key - we recommend using a [Partial Configuration](/docs/backends/config.html) for the credentials.
|
||||
-> **NOTE:** When using a Service Principal or an Access Key - we recommend using a [Partial Configuration](/docs/language/settings/backends/configuration.html#partial-configuration) for the credentials.
|
||||
|
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## Data Source Configuration
|
||||
|
||||
|
|
|
@ -41,7 +41,7 @@ The arguments used in the block's body are specific to the chosen backend type;
|
|||
|
||||
Some backends allow providing access credentials directly as part of the configuration for use in unusual situations, for pragmatic reasons. However, in normal use we _do not_ recommend including access credentials as part of the backend configuration. Instead, leave those arguments completely unset and provide credentials via the credentials files or environment variables that are conventional for the target system, as described in the documentation for each backend.
|
||||
|
||||
See _[Backend Types](/docs/backends/types/index.html)_ for details about each supported backend type and its configuration arguments.
|
||||
See the list of backend types in the navigation sidebar for details about each supported backend type and its configuration arguments.
|
||||
|
||||
### Default Backend
|
||||
|
||||
|
@ -71,7 +71,7 @@ the arguments are omitted, we call this a _partial configuration_.
|
|||
|
||||
With a partial configuration, the remaining configuration arguments must be
|
||||
provided as part of
|
||||
[the initialization process](/docs/backends/init.html#backend-initialization).
|
||||
[the initialization process](/docs/cli/init/index.html).
|
||||
There are several ways to supply the remaining arguments:
|
||||
|
||||
* **File**: A configuration file may be specified via the `init` command line.
|
||||
|
@ -145,7 +145,7 @@ both the configuration itself as well as the type of backend (for example
|
|||
from "consul" to "s3").
|
||||
|
||||
Terraform will automatically detect any changes in your configuration
|
||||
and request a [reinitialization](/docs/backends/init.html). As part of
|
||||
and request a [reinitialization](/docs/cli/init/index.html). As part of
|
||||
the reinitialization process, Terraform will ask if you'd like to migrate
|
||||
your existing state to the new configuration. This allows you to easily
|
||||
switch from one backend to another.
|
||||
|
@ -161,7 +161,7 @@ want to migrate your state. You can respond "no" in this scenario.
|
|||
|
||||
If you no longer want to use any backend, you can simply remove the
|
||||
configuration from the file. Terraform will detect this like any other
|
||||
change and prompt you to [reinitialize](/docs/backends/init.html).
|
||||
change and prompt you to [reinitialize](/docs/cli/init/index.html).
|
||||
|
||||
As part of the reinitialization, Terraform will ask if you'd like to migrate
|
||||
your state back down to normal local state. Once this is complete then
|
||||
|
|
|
@ -27,7 +27,7 @@ terraform {
|
|||
```
|
||||
|
||||
Note that for the access credentials we recommend using a
|
||||
[partial configuration](/docs/backends/config.html).
|
||||
[partial configuration](/docs/language/settings/backends/configuration.html#partial-configuration).
|
||||
|
||||
## Data Source Configuration
|
||||
|
||||
|
|
|
@ -27,7 +27,7 @@ terraform {
|
|||
```
|
||||
|
||||
Note that for the access credentials we recommend using a
|
||||
[partial configuration](/docs/backends/config.html).
|
||||
[partial configuration](/docs/language/settings/backends/configuration.html#partial-configuration).
|
||||
|
||||
## Data Source Configuration
|
||||
|
||||
|
|
|
@ -33,7 +33,7 @@ If the `in_cluster_config` flag is set the backend will attempt to use a [servic
|
|||
|
||||
For most use cases either `in_cluster_config` or `load_config_file` will need to be set to `true`. If both flags are set the configuration from `load_config_file` will be used.
|
||||
|
||||
Note that for the access credentials we recommend using a [partial configuration](/docs/backends/config.html#partial-configuration).
|
||||
Note that for the access credentials we recommend using a [partial configuration](/docs/language/settings/backends/configuration.html#partial-configuration).
|
||||
|
||||
|
||||
## Example Referencing
|
||||
|
|
|
@ -24,7 +24,7 @@ terraform {
|
|||
```
|
||||
|
||||
Note that for the access credentials we recommend using a
|
||||
[partial configuration](/docs/backends/config.html).
|
||||
[partial configuration](/docs/language/settings/backends/configuration.html#partial-configuration).
|
||||
|
||||
## Data Source Configuration
|
||||
|
||||
|
|
|
@ -32,7 +32,9 @@ createdb terraform_backend
|
|||
|
||||
This `createdb` command is found in [Postgres client applications](https://www.postgresql.org/docs/9.5/reference-client.html) which are installed along with the database server.
|
||||
|
||||
We recommend using a [partial configuration](/docs/backends/config.html#partial-configuration) for the `conn_str` variable, because it typically contains access credentials that should not be committed to source control:
|
||||
We recommend using a
|
||||
[partial configuration](/docs/language/settings/backends/configuration.html#partial-configuration)
|
||||
for the `conn_str` variable, because it typically contains access credentials that should not be committed to source control:
|
||||
|
||||
```hcl
|
||||
terraform {
|
||||
|
|
|
@ -37,7 +37,7 @@ This assumes we have a bucket created called `mybucket`. The
|
|||
Terraform state is written to the key `path/to/my/key`.
|
||||
|
||||
Note that for the access credentials we recommend using a
|
||||
[partial configuration](/docs/backends/config.html).
|
||||
[partial configuration](/docs/language/settings/backends/configuration.html#partial-configuration).
|
||||
|
||||
### S3 Bucket Permissions
|
||||
|
||||
|
|
|
@ -27,7 +27,7 @@ terraform {
|
|||
This will create a container called `terraform-state` and an object within that container called `tfstate.tf`. It will enable versioning using the `terraform-state-archive` container to contain the older version.
|
||||
|
||||
For the access credentials we recommend using a
|
||||
[partial configuration](/docs/backends/config.html).
|
||||
[partial configuration](/docs/language/settings/backends/configuration.html#partial-configuration).
|
||||
|
||||
## Data Source Configuration
|
||||
|
||||
|
|
|
@ -65,9 +65,11 @@ prior to forcing the overwrite.
|
|||
## State Locking
|
||||
|
||||
Backends are responsible for supporting [state locking](/docs/language/state/locking.html)
|
||||
if possible. Not all backend types support state locking. In the
|
||||
[list of supported backend types](/docs/backends/types/index.html) we explicitly note
|
||||
whether locking is supported.
|
||||
if possible.
|
||||
|
||||
Not all backends support locking. The
|
||||
[documentation for each backend](/docs/language/settings/backends/index.html)
|
||||
includes details on whether it supports locking or not.
|
||||
|
||||
For more information on state locking, view the
|
||||
[page dedicated to state locking](/docs/language/state/locking.html).
|
||||
|
|
|
@ -8,7 +8,7 @@ description: |-
|
|||
|
||||
# State Locking
|
||||
|
||||
If supported by your [backend](/docs/backends/), Terraform will lock your
|
||||
If supported by your [backend](/docs/language/settings/backends/index.html), Terraform will lock your
|
||||
state for all operations that could write state. This prevents
|
||||
others from acquiring the lock and potentially corrupting your state.
|
||||
|
||||
|
@ -21,9 +21,9 @@ If acquiring the lock is taking longer than expected, Terraform will output
|
|||
a status message. If Terraform doesn't output a message, state locking is
|
||||
still occurring if your backend supports it.
|
||||
|
||||
Not all [backends](/docs/backends/) support locking. Please view the list
|
||||
of [backend types](/docs/backends/types/) for details on whether a backend
|
||||
supports locking or not.
|
||||
Not all backends support locking. The
|
||||
[documentation for each backend](/docs/language/settings/backends/index.html)
|
||||
includes details on whether it supports locking or not.
|
||||
|
||||
## Force Unlock
|
||||
|
||||
|
|
|
@ -158,7 +158,7 @@ The following arguments are supported:
|
|||
|
||||
The `config` object can use any arguments that would be valid in the
|
||||
equivalent `terraform { backend "<TYPE>" { ... } }` block. See
|
||||
[the documentation of your chosen backend](/docs/backends/types/index.html)
|
||||
[the documentation of your chosen backend](/docs/language/settings/backends/index.html)
|
||||
for details.
|
||||
|
||||
-> **Note:** If the backend configuration requires a nested block, specify
|
||||
|
|
|
@ -19,8 +19,8 @@ which can then be shared between all members of a team. Terraform supports
|
|||
storing state in [Terraform Cloud](https://www.hashicorp.com/products/terraform/),
|
||||
[HashiCorp Consul](https://www.consul.io/), Amazon S3, Azure Blob Storage, Google Cloud Storage, Alibaba Cloud OSS, and more.
|
||||
|
||||
Remote state is a feature of [backends](/docs/backends/), which you can activate
|
||||
in your configuration's root module.
|
||||
Remote state is implemented by a [backend](/docs/language/settings/backends/index.html),
|
||||
which you can configure in your configuration's root module.
|
||||
|
||||
## Delegation and Teamwork
|
||||
|
||||
|
|
|
@ -8,7 +8,7 @@ description: |-
|
|||
|
||||
# Workspaces
|
||||
|
||||
Each Terraform configuration has an associated [backend](/docs/backends/index.html)
|
||||
Each Terraform configuration has an associated [backend](/docs/language/settings/backends/index.html)
|
||||
that defines how operations are executed and where persistent data such as
|
||||
[the Terraform state](https://www.terraform.io/docs/language/state/purpose.html) are
|
||||
stored.
|
||||
|
@ -195,7 +195,7 @@ control, although using a remote backend instead is recommended when there are
|
|||
multiple collaborators.
|
||||
|
||||
For [remote state](/docs/language/state/remote.html), the workspaces are stored
|
||||
directly in the configured [backend](/docs/backends/). For example, if you
|
||||
directly in the configured [backend](/docs/language/settings/backends/index.html). For example, if you
|
||||
use [Consul](/docs/language/settings/backends/consul.html), the workspaces are stored
|
||||
by appending the workspace name to the state path. To ensure that
|
||||
workspace names are stored correctly and safely in all backends, the name
|
||||
|
|
|
@ -1,22 +0,0 @@
|
|||
---
|
||||
layout: "language"
|
||||
page_title: "Provider: Terraform"
|
||||
sidebar_current: "docs-terraform-index"
|
||||
description: |-
|
||||
The special `terraform_remote_state` data source is used to access outputs from shared infrastructure.
|
||||
---
|
||||
|
||||
# The Built-In `terraform` Provider
|
||||
|
||||
Terraform includes one built-in data source:
|
||||
[`terraform_remote_state`](/docs/language/state/remote-state-data.html), which
|
||||
provides access to root module outputs from some other Terraform configuration.
|
||||
|
||||
This data source is implemented by a built-in provider, whose
|
||||
[source address](/docs/language/providers/requirements.html#source-addresses)
|
||||
is `terraform.io/builtin/terraform`. You do not need to require or configure
|
||||
this provider in order to use the `terraform_remote_state` data source; it is
|
||||
always available.
|
||||
|
||||
The `terraform_remote_state` data source is
|
||||
[documented in the Terraform Language docs](/docs/language/state/remote-state-data.html).
|
|
@ -1,20 +0,0 @@
|
|||
---
|
||||
layout: "language"
|
||||
page_title: "State: Environments"
|
||||
sidebar_current: "docs-state-env"
|
||||
description: |-
|
||||
Legacy terminology for "Workspaces".
|
||||
---
|
||||
|
||||
# State Environments
|
||||
|
||||
The term _state environment_, or just _environment_, was used within the
|
||||
Terraform 0.9 releases to refer to the idea of having multiple distinct,
|
||||
named states associated with a single configuration directory.
|
||||
|
||||
After this concept was implemented, we received feedback that this terminology
|
||||
caused confusion due to other uses of the word "environment", both within
|
||||
Terraform itself and within organizations using Terraform.
|
||||
|
||||
As of 0.10, the preferred term is "workspace". For more information on
|
||||
workspaces, see [the main Workspaces page](/docs/language/state/workspaces.html).
|
Loading…
Reference in New Issue