Add support to import machine configs v2

docs/resources/machine_config_v2.md

@@ -372,3 +372,11 @@ The following attributes are exported:
 - `create` - (Default `10 minutes`) Used for creating machine configs.
 - `update` - (Default `10 minutes`) Used for machine config modifications.
 - `delete` - (Default `10 minutes`) Used for deleting machine configs.
+
+## Import
+
+Machine config v2 can be imported using the Machine config ID - <FLEET_NAMESPACE>/<MACHINE_CONFIG_ID>
+
+```bash
+terraform import rancher2_machine_config_v2.foo "fleet-default/nc-pool1-yc3fg6"
+```

rancher2/import_rancher2_machine_config_v2.go

@@ -0,0 +1,52 @@
+package rancher2
+
+import (
+	"fmt"
+	"github.com/hashicorp/terraform-plugin-sdk/helper/schema"
+)
+
+func resourceRancher2MachineConfigV2Import(d *schema.ResourceData, meta interface{}) ([]*schema.ResourceData, error) {
+	id := d.Id()
+	if id == "" {
+		return []*schema.ResourceData{}, fmt.Errorf("Importing rancher2_machine_config_v2 requires a non-empty ID")
+	}
+
+	cfg, ok := meta.(*Config)
+	if !ok || cfg == nil {
+		return []*schema.ResourceData{}, fmt.Errorf("Importing rancher2_machine_config_v2: provider config is nil")
+	}
+
+	// Available kinds - would be good to have it not hardcoded here....
+	kinds := []string{
+		machineConfigV2Amazonec2Kind,
+		machineConfigV2AzureKind,
+		machineConfigV2DigitaloceanKind,
+		machineConfigV2HarvesterKind,
+		machineConfigV2LinodeKind,
+		machineConfigV2OpenstackKind,
+		machineConfigV2VmwarevsphereKind,
+		machineConfigV2GoogleGCEKind,
+	}
+
+	var lastErr error
+
+	for _, kind := range kinds {
+		obj, err := getMachineConfigV2ByID(cfg, id, kind)
+		if err != nil {
+			lastErr = err
+			continue
+		}
+
+		if err := flattenMachineConfigV2(d, obj); err != nil {
+			return []*schema.ResourceData{}, err
+		}
+
+		return []*schema.ResourceData{d}, nil
+	}
+
+	if lastErr != nil {
+		return []*schema.ResourceData{}, lastErr
+	}
+
+	return []*schema.ResourceData{}, fmt.Errorf("[ERROR] Unable to find Machine Config V2 %s for any supported driver", id)
+}

rancher2/resource_rancher2_machine_config_v2.go

@@ -17,6 +17,9 @@ func resourceRancher2MachineConfigV2() *schema.Resource {
 		Read:   resourceRancher2MachineConfigV2Read,
 		Update: resourceRancher2MachineConfigV2Update,
 		Delete: resourceRancher2MachineConfigV2Delete,
+		Importer: &schema.ResourceImporter{
+			State: resourceRancher2MachineConfigV2Import,
+		},
 		Schema: machineConfigV2Fields(),
 		Timeouts: &schema.ResourceTimeout{
 			Create: schema.DefaultTimeout(3 * time.Minute),