AutoUpgradeNodeImageSelectionType

Use the latest image version when upgrading nodes. Clusters may use different image versions (e.g., 'AKSUbuntu-1804gen2containerd-2021.10.12' and 'AKSUbuntu-1804gen2containerd-2021.10.19') because, for example, the latest available version is different in different regions.

The image versions to upgrade nodes to are selected as described below: for each node pool in managed clusters affected by the update run, the system selects the latest image version such that it is available across all other node pools (in all other clusters) of the same image type. As a result, all node pools of the same image type will be upgraded to the same image version. For example, if the latest image version for image type 'AKSUbuntu-1804gen2containerd' is 'AKSUbuntu-1804gen2containerd-2021.10.12' for a node pool in cluster A in region X, and is 'AKSUbuntu-1804gen2containerd-2021.10.17' for a node pool in cluster B in region Y, the system will upgrade both node pools to image version 'AKSUbuntu-1804gen2containerd-2021.10.12'.

Returns a representation of an immutable list of all enum entries, in the order they're declared.

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Returns an array containing the constants of this enum type, in the order they're declared.