Shoot Supported Architectures

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Supported CPU Architectures for Shoot Worker Nodes

Users can create shoot clusters with worker groups having virtual machines of different architectures. CPU architecture of each worker pool can be specified in the Shoot specification as follows:

Example Usage in a Shoot

spec:
  provider:
    workers:
    - name: cpu-worker
      machine:
        architecture: <some-cpu-architecture> # optional

If no value is specified for the architecture field, it defaults to amd64. For a valid shoot object, a machine type should be present in the respective CloudProfile with the same CPU architecture as specified in the Shoot yaml. Also, a valid machine image should be present in the CloudProfile that supports the required architecture specified in the Shoot worker pool.

Example Usage in a CloudProfile

spec:
  machineImages:
  - name: test-image
    versions:
    - architectures: # optional
      - <architecture-1>
      - <architecture-2>
      version: 1.2.3
  machineTypes:
  - architecture: <some-cpu-architecture>
    cpu: "2"
    gpu: "0"
    memory: 8Gi
    name: test-machine

Currently, Gardener supports two of the most widely used CPU architectures:

  • amd64
  • arm64