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constellation/docs/versioned_docs/version-2.8/reference/migration.md
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Migrations

This document describes breaking changes and migrations between Constellation releases. Use constellation config migrate to automatically update an old config file to a new format.

Migrating from Azure's service principal authentication to managed identity authentication

  • The provider.azure.appClientID and provider.azure.appClientSecret fields are no longer required and should be removed.
  • To keep using an existing UAMI add the Owner permission with the scope of your resourceGroup.
  • Otherwise, simply create new Constellation IAM credentials and use the created UAMI.
  • To migrate the authentication for an existing Constellation on Azure to an UAMI with the necessary permissions:
    1. Remove the aadClientId and aadClientSecret from the azureconfig secret.
    2. Set useManagedIdentityExtension to true and use the userAssignedIdentity from the Constellation config for the value of userAssignedIdentityID.
    3. Restart the CSI driver, cloud controller manager, cluster autoscaler, and Constellation operator pods.

Migrating from CLI versions before 2.8

  • The measurements field for each cloud service provider was replaced with a global attestation field.
  • The confidentialVM, idKeyDigest, and enforceIdKeyDigest fields for the Azure cloud service provider were removed in favor of using the global attestation field.
  • The optional global field attestationVariant was replaced by the now required attestation field.

Migrating from CLI versions before 2.3

  • The sshUsers field was deprecated in v2.2 and has been removed from the configuration in v2.3. As an alternative for SSH, check the workflow section Connect to nodes.
  • The image field for each cloud service provider has been replaced with a global image field. Use the following mapping to migrate your configuration:
    Show all
    CSP old image new image
    AWS ami-06b8cbf4837a0a57c v2.2.2
    AWS ami-02e96dc04a9e438cd v2.2.2
    AWS ami-028ead928a9034b2f v2.2.2
    AWS ami-032ac10dd8d8266e3 v2.2.1
    AWS ami-032e0d57cc4395088 v2.2.1
    AWS ami-053c3e49e19b96bdd v2.2.1
    AWS ami-0e27ebcefc38f648b v2.2.0
    AWS ami-098cd37f66523b7c3 v2.2.0
    AWS ami-04a87d302e2509aad v2.2.0
    Azure /subscriptions/0d202bbb-4fa7-4af8-8125-58c269a05435/resourceGroups/constellation-images/providers/Microsoft.Compute/galleries/Constellation/images/constellation/versions/2.2.2 v2.2.2
    Azure /subscriptions/0d202bbb-4fa7-4af8-8125-58c269a05435/resourceGroups/constellation-images/providers/Microsoft.Compute/galleries/Constellation_CVM/images/constellation/versions/2.2.2 v2.2.2
    Azure /subscriptions/0d202bbb-4fa7-4af8-8125-58c269a05435/resourceGroups/constellation-images/providers/Microsoft.Compute/galleries/Constellation/images/constellation/versions/2.2.1 v2.2.1
    Azure /subscriptions/0d202bbb-4fa7-4af8-8125-58c269a05435/resourceGroups/constellation-images/providers/Microsoft.Compute/galleries/Constellation_CVM/images/constellation/versions/2.2.1 v2.2.1
    Azure /subscriptions/0d202bbb-4fa7-4af8-8125-58c269a05435/resourceGroups/constellation-images/providers/Microsoft.Compute/galleries/Constellation/images/constellation/versions/2.2.0 v2.2.0
    Azure /subscriptions/0d202bbb-4fa7-4af8-8125-58c269a05435/resourceGroups/constellation-images/providers/Microsoft.Compute/galleries/Constellation_CVM/images/constellation/versions/2.2.0 v2.2.0
    Azure /subscriptions/0d202bbb-4fa7-4af8-8125-58c269a05435/resourceGroups/constellation-images/providers/Microsoft.Compute/galleries/Constellation/images/constellation/versions/2.1.0 v2.1.0
    Azure /subscriptions/0d202bbb-4fa7-4af8-8125-58c269a05435/resourceGroups/constellation-images/providers/Microsoft.Compute/galleries/Constellation_CVM/images/constellation/versions/2.1.0 v2.1.0
    Azure /subscriptions/0d202bbb-4fa7-4af8-8125-58c269a05435/resourceGroups/constellation-images/providers/Microsoft.Compute/galleries/Constellation/images/constellation/versions/2.0.0 v2.0.0
    Azure /subscriptions/0d202bbb-4fa7-4af8-8125-58c269a05435/resourceGroups/constellation-images/providers/Microsoft.Compute/galleries/Constellation_CVM/images/constellation/versions/2.0.0 v2.0.0
    GCP projects/constellation-images/global/images/constellation-v2-2-2 v2.2.2
    GCP projects/constellation-images/global/images/constellation-v2-2-1 v2.2.1
    GCP projects/constellation-images/global/images/constellation-v2-2-0 v2.2.0
    GCP projects/constellation-images/global/images/constellation-v2-1-0 v2.1.0
    GCP projects/constellation-images/global/images/constellation-v2-0-0 v2.0.0
  • The enforcedMeasurements field has been removed and merged with the measurements field.

    • To migrate your config containing a new image (v2.3 or greater), remove the old measurements and enforcedMeasurements entries from your config and run constellation fetch-measurements

    • To migrate your config containing an image older than v2.3, remove the enforcedMeasurements entry and replace the entries in measurements as shown in the example below:

      measurements:
-    0: DzXCFGCNk8em5ornNZtKi+Wg6Z7qkQfs5CfE3qTkOc8=
+    0:
+        expected: DzXCFGCNk8em5ornNZtKi+Wg6Z7qkQfs5CfE3qTkOc8=
+        warnOnly: true
-    8: AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=
+    8:
+        expected: AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=
+        warnOnly: false
-enforcedMeasurements:
-    - 8