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enterprise Managing Artifact Versions docs-enterprise-artifacts-versions Artifacts are versioned and assigned a version number, here is how to manage the versions.

Managing Artifact Versions

Artifacts stored in Terraform Enterprise are versioned and assigned a version number. Versions are useful to roll back, audit and deploy images specific versions of images to certain environments in a targeted way.

This assumes you are familiar with the artifact provider in Terraform.

Finding the Version of an Artifact

Artifact versions can be found with the terraform show command, or by looking at the Packer logs generated during builds. After a successful artifact upload, version numbers are displayed. "latest" can be used to use the latest version of the artifact.

The following output is from terraform show.

atlas_artifact.web-worker:
  id = us-east-1:ami-3a0a1d52
  build = latest
  metadata_full.# = 1
  metadata_full.region-us-east-1 = ami-3a0a1d52
  name = %{DEFAULT_USERNAME}/web-worker
  slug = %{DEFAULT_USERNAME}/web-worker/amazon.image/7
  type = amazon.image

In this case, the version is 7 and can be found in the persisted slug attribute.

Pinning Artifacts to Specific Versions

You can pin artifacts to a specific version. This allows for a targeted deploy.

resource "atlas_artifact" "web-worker" {
  name = "%{DEFAULT_USERNAME}/web-worker"
  type = "amazon.image"
  version = 7
}

This will use version 7 of the web-worker artifact.

Pinning Artifacts to Specific Builds

Artifacts can also be pinned to an Terraform build number. This is only possible if Terraform Enterprise was used to build the artifact with Packer.

resource "atlas_artifact" "web-worker" {
  name = "%{DEFAULT_USERNAME}/web-worker"
  type = "amazon.image"
  build = 5
}

It's recommended to use versions, instead of builds, as it will be easier to track when building outside of the Terraform Enterprise environment.