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66 lines
2.6 KiB
Markdown
66 lines
2.6 KiB
Markdown
# Building Terraform
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This document contains details about the process for building release-style
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binaries for Terraform.
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(If you are intending instead to make changes to Terraform and build binaries
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only for your local testing, see
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[the contributing guide](.github/CONTRIBUTING.md).)
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## Versioning
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Until Terraform v1.0, Terraform's versioning scheme is as follows:
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* Full version strings start with a zero in the initial position.
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* The second position increments for _major_ releases, which may contain
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backwards incompatible changes.
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* The third and final position increments for _minor_ releases, which
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we aim to keep backwards compatible with prior releases for the same major
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version.
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Although the Terraform team takes care to preserve compatibility between
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major releases, major release upgrades will often require a subset of users
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to take specific upgrade actions. This issue will persist while the product
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design is refined in preparation for more specific backward-compatibility promises
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in a later Terraform 1.0 release.
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## Process
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Terraform release binaries are built via cross-compilation on a Linux
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system, using [gox](https://github.com/mitchellh/gox).
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The steps below are a subset of the steps HashiCorp uses to prepare the
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official distribution packages available from
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[the download page](https://www.terraform.io/downloads.html). This
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process will generate an executable for each of the supported target platforms.
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HashiCorp prepares release binaries on Linux amd64 systems. This build process
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may need to be adjusted for other host platforms.
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```sh
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# clone the repository if needed
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git clone https://github.com/hashicorp/terraform.git
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cd terraform
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# Verify that the unit tests are passing
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make test
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# Run preparation steps and then build the executable for each target platform
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# in the subdirectory "pkg".
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# This generates binaries for each platform and places them in the pkg folder
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make bin
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```
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Official releases are subsequently then packaged, hashed, and signed before
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uploading to [the HashiCorp releases service](https://releases.hashicorp.com/terraform/).
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Those final packaging steps are not fully reproducible using the contents
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of this repository due to the use of HashiCorp's private signing key. However,
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you can place the generated executables in `.zip` archives to produce a
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similar result without the checksums and digital signature.
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## Release Bundles for use in Terraform Enterprise
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If you wish to build distribution archives that blend official Terraform
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release executables with a mixture of official and third-party provider builds,
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see [the `terraform-bundle` tool](tools/terraform-bundle).
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