bump default azure image

[skanakal]

Issue:

rancher/rancher#44944
Standard_A2 is currently not available in location 'westus'

Problem

Solution

update the default azure image
Change the default VM size, as the current size is unavailable in the default region (West US).

Testing

Engineering Testing

Manual Testing

Wed Oct 23 17:31:34 skanakala ☺ ❉ ~/Downloads/test sudo terraform show
# rancher2_cloud_credential.foo-aks:
resource "rancher2_cloud_credential" "foo-aks" {
    annotations = {}
    driver      = "azure"
    id          = "cattle-global-data:cc-fx6cx"
    labels      = {
        "cattle.io/creator" = "norman"
    }
    name        = "foo-aks"

    azure_credential_config {
        client_id       = (sensitive value)
        client_secret   = (sensitive value)
        environment     = "AzurePublicCloud"
        subscription_id = (sensitive value)
    }
}

# rancher2_node_template.foo:
resource "rancher2_node_template" "foo" {
    annotations             = {
        "ownerBindingsCreated" = "true"
    }
    cloud_credential_id     = "cattle-global-data:cc-fx6cx"
    description             = "foo test"
    driver                  = "azure"
    driver_id               = "azure"
    id                      = "cattle-global-nt:nt-7qr59"
    labels                  = {
        "cattle.io/creator" = "norman"
    }
    name                    = "foo"
    use_internal_ip_address = true

    azure_config {
        availability_set    = "docker-machine"
        disk_size           = "30"
        docker_port         = "2376"
        environment         = "AzurePublicCloud"
        fault_domain_count  = "3"
        image               = "canonical:ubuntu-24_04-lts:server-gen1:latest"
        location            = "westus"
        managed_disks       = false
        no_public_ip        = false
        nsg                 = "docker-machine-nsg"
        open_port           = []
        resource_group      = "docker-machine"
        size                = "Standard_D2_v2"
        ssh_user            = "docker-user"
        static_public_ip    = false
        storage_type        = "Standard_LRS"
        subnet              = "docker-machine"
        subnet_prefix       = "192.168.0.0/16"
        update_domain_count = "5"
        use_private_ip      = false
        vnet                = "docker-machine-vnet"
    }
}

Automated Testing

QA Testing Considerations

Regressions Considerations

[matttrach]

Does this need to be backported?