forked from hashicorp/terraform-provider-vsphere
/
resource_vsphere_drs_vm_override.go
382 lines (330 loc) · 12 KB
/
resource_vsphere_drs_vm_override.go
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package vsphere
import (
"encoding/json"
"errors"
"fmt"
"log"
"strings"
"github.com/hashicorp/terraform/helper/schema"
"github.com/hashicorp/terraform/helper/validation"
"github.com/terraform-providers/terraform-provider-vsphere/vsphere/internal/helper/clustercomputeresource"
"github.com/terraform-providers/terraform-provider-vsphere/vsphere/internal/helper/structure"
"github.com/terraform-providers/terraform-provider-vsphere/vsphere/internal/helper/viapi"
"github.com/terraform-providers/terraform-provider-vsphere/vsphere/internal/helper/virtualmachine"
"github.com/vmware/govmomi"
"github.com/vmware/govmomi/object"
"github.com/vmware/govmomi/vim25/types"
)
const resourceVSphereDRSVMOverrideName = "vsphere_drs_vm_override"
func resourceVSphereDRSVMOverride() *schema.Resource {
return &schema.Resource{
Create: resourceVSphereDRSVMOverrideCreate,
Read: resourceVSphereDRSVMOverrideRead,
Update: resourceVSphereDRSVMOverrideUpdate,
Delete: resourceVSphereDRSVMOverrideDelete,
Importer: &schema.ResourceImporter{
State: resourceVSphereDRSVMOverrideImport,
},
Schema: map[string]*schema.Schema{
"compute_cluster_id": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
Description: "The managed object ID of the cluster.",
},
"virtual_machine_id": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
Description: "The managed object ID of the virtual machine.",
},
"drs_enabled": {
Type: schema.TypeBool,
Optional: true,
Default: false,
Description: "Enable DRS for this virtual machine.",
},
"drs_automation_level": {
Type: schema.TypeString,
Optional: true,
Default: string(types.DrsBehaviorManual),
Description: "The automation level for this virtual machine in the cluster. Can be one of manual, partiallyAutomated, or fullyAutomated.",
ValidateFunc: validation.StringInSlice(drsBehaviorAllowedValues, false),
},
},
}
}
func resourceVSphereDRSVMOverrideCreate(d *schema.ResourceData, meta interface{}) error {
log.Printf("[DEBUG] %s: Beginning create", resourceVSphereDRSVMOverrideIDString(d))
cluster, vm, err := resourceVSphereDRSVMOverrideObjects(d, meta)
if err != nil {
return err
}
info, err := expandClusterDrsVMConfigInfo(d, vm)
if err != nil {
return err
}
spec := &types.ClusterConfigSpecEx{
DrsVmConfigSpec: []types.ClusterDrsVmConfigSpec{
{
ArrayUpdateSpec: types.ArrayUpdateSpec{
Operation: types.ArrayUpdateOperationAdd,
},
Info: info,
},
},
}
if err = clustercomputeresource.Reconfigure(cluster, spec); err != nil {
return err
}
id, err := resourceVSphereDRSVMOverrideFlattenID(cluster, vm)
if err != nil {
return fmt.Errorf("cannot compute ID of created resource: %s", err)
}
d.SetId(id)
log.Printf("[DEBUG] %s: Create finished successfully", resourceVSphereDRSVMOverrideIDString(d))
return resourceVSphereDRSVMOverrideRead(d, meta)
}
func resourceVSphereDRSVMOverrideRead(d *schema.ResourceData, meta interface{}) error {
log.Printf("[DEBUG] %s: Beginning read", resourceVSphereDRSVMOverrideIDString(d))
cluster, vm, err := resourceVSphereDRSVMOverrideObjects(d, meta)
if err != nil {
return err
}
info, err := resourceVSphereDRSVMOverrideFindEntry(cluster, vm)
if err != nil {
return err
}
if info == nil {
// The configuration is missing, blank out the ID so it can be re-created.
d.SetId("")
return nil
}
// Save the compute_cluster_id and virtual_machine_id here. These are
// ForceNew, but we set these for completeness on import so that if the wrong
// cluster/VM combo was used, it will be noted.
if err = d.Set("compute_cluster_id", cluster.Reference().Value); err != nil {
return fmt.Errorf("error setting attribute \"compute_cluster_id\": %s", err)
}
props, err := virtualmachine.Properties(vm)
if err != nil {
return fmt.Errorf("error getting properties of virtual machine: %s", err)
}
if err = d.Set("virtual_machine_id", props.Config.Uuid); err != nil {
return fmt.Errorf("error setting attribute \"virtual_machine_id\": %s", err)
}
if err = flattenClusterDrsVMConfigInfo(d, info); err != nil {
return err
}
log.Printf("[DEBUG] %s: Read completed successfully", resourceVSphereDRSVMOverrideIDString(d))
return nil
}
func resourceVSphereDRSVMOverrideUpdate(d *schema.ResourceData, meta interface{}) error {
log.Printf("[DEBUG] %s: Beginning update", resourceVSphereDRSVMOverrideIDString(d))
cluster, vm, err := resourceVSphereDRSVMOverrideObjects(d, meta)
if err != nil {
return err
}
info, err := expandClusterDrsVMConfigInfo(d, vm)
if err != nil {
return err
}
spec := &types.ClusterConfigSpecEx{
DrsVmConfigSpec: []types.ClusterDrsVmConfigSpec{
{
ArrayUpdateSpec: types.ArrayUpdateSpec{
// NOTE: ArrayUpdateOperationAdd here replaces existing entries,
// versus adding duplicates or "merging" old settings with new ones
// that have missing fields.
Operation: types.ArrayUpdateOperationAdd,
},
Info: info,
},
},
}
if err := clustercomputeresource.Reconfigure(cluster, spec); err != nil {
return err
}
log.Printf("[DEBUG] %s: Update finished successfully", resourceVSphereDRSVMOverrideIDString(d))
return resourceVSphereDRSVMOverrideRead(d, meta)
}
func resourceVSphereDRSVMOverrideDelete(d *schema.ResourceData, meta interface{}) error {
log.Printf("[DEBUG] %s: Beginning delete", resourceVSphereDRSVMOverrideIDString(d))
cluster, vm, err := resourceVSphereDRSVMOverrideObjects(d, meta)
if err != nil {
return err
}
spec := &types.ClusterConfigSpecEx{
DrsVmConfigSpec: []types.ClusterDrsVmConfigSpec{
{
ArrayUpdateSpec: types.ArrayUpdateSpec{
Operation: types.ArrayUpdateOperationRemove,
RemoveKey: vm.Reference(),
},
},
},
}
if err := clustercomputeresource.Reconfigure(cluster, spec); err != nil {
return err
}
log.Printf("[DEBUG] %s: Deleted successfully", resourceVSphereDRSVMOverrideIDString(d))
return nil
}
func resourceVSphereDRSVMOverrideImport(d *schema.ResourceData, meta interface{}) ([]*schema.ResourceData, error) {
var data map[string]string
if err := json.Unmarshal([]byte(d.Id()), &data); err != nil {
return nil, err
}
clusterPath, ok := data["compute_cluster_path"]
if !ok {
return nil, errors.New("missing compute_cluster_path in input data")
}
vmPath, ok := data["virtual_machine_path"]
if !ok {
return nil, errors.New("missing virtual_machine_path in input data")
}
client, err := resourceVSphereDRSVMOverrideClient(meta)
if err != nil {
return nil, err
}
cluster, err := clustercomputeresource.FromPath(client, clusterPath, nil)
if err != nil {
return nil, fmt.Errorf("cannot locate cluster %q: %s", clusterPath, err)
}
vm, err := virtualmachine.FromPath(client, vmPath, nil)
if err != nil {
return nil, fmt.Errorf("cannot locate virtual machine %q: %s", vmPath, err)
}
id, err := resourceVSphereDRSVMOverrideFlattenID(cluster, vm)
if err != nil {
return nil, fmt.Errorf("cannot compute ID of imported resource: %s", err)
}
d.SetId(id)
return []*schema.ResourceData{d}, nil
}
// expandClusterDrsVMConfigInfo reads certain ResourceData keys and returns a
// ClusterDrsVmConfigInfo.
func expandClusterDrsVMConfigInfo(d *schema.ResourceData, vm *object.VirtualMachine) (*types.ClusterDrsVmConfigInfo, error) {
obj := &types.ClusterDrsVmConfigInfo{
Behavior: types.DrsBehavior(d.Get("drs_automation_level").(string)),
Enabled: structure.GetBool(d, "drs_enabled"),
Key: vm.Reference(),
}
return obj, nil
}
// flattenClusterDrsVmConfigInfo saves a ClusterDrsVmConfigInfo into the
// supplied ResourceData.
func flattenClusterDrsVMConfigInfo(d *schema.ResourceData, obj *types.ClusterDrsVmConfigInfo) error {
return structure.SetBatch(d, map[string]interface{}{
"drs_automation_level": obj.Behavior,
"drs_enabled": obj.Enabled,
})
}
// resourceVSphereDRSVMOverrideIDString prints a friendly string for the
// vsphere_drs_vm_override resource.
func resourceVSphereDRSVMOverrideIDString(d structure.ResourceIDStringer) string {
return structure.ResourceIDString(d, resourceVSphereDRSVMOverrideName)
}
// resourceVSphereDRSVMOverrideFlattenID makes an ID for the
// vsphere_drs_vm_override resource.
func resourceVSphereDRSVMOverrideFlattenID(cluster *object.ClusterComputeResource, vm *object.VirtualMachine) (string, error) {
clusterID := cluster.Reference().Value
props, err := virtualmachine.Properties(vm)
if err != nil {
return "", fmt.Errorf("cannot compute ID off of properties of virtual machine: %s", err)
}
vmID := props.Config.Uuid
return strings.Join([]string{clusterID, vmID}, ":"), nil
}
// resourceVSphereDRSVMOverrideParseID parses an ID for the
// vsphere_drs_vm_override and outputs its parts.
func resourceVSphereDRSVMOverrideParseID(id string) (string, string, error) {
parts := strings.SplitN(id, ":", 3)
if len(parts) < 2 {
return "", "", fmt.Errorf("bad ID %q", id)
}
return parts[0], parts[1], nil
}
// resourceVSphereDRSVMOverrideFindEntry attempts to locate an existing DRS VM
// config in a cluster's configuration. It's used by the resource's read
// functionality and tests. nil is returned if the entry cannot be found.
func resourceVSphereDRSVMOverrideFindEntry(
cluster *object.ClusterComputeResource,
vm *object.VirtualMachine,
) (*types.ClusterDrsVmConfigInfo, error) {
props, err := clustercomputeresource.Properties(cluster)
if err != nil {
return nil, fmt.Errorf("error fetching cluster properties: %s", err)
}
for _, info := range props.ConfigurationEx.(*types.ClusterConfigInfoEx).DrsVmConfig {
if info.Key == vm.Reference() {
log.Printf("[DEBUG] Found DRS config info for VM %q in cluster %q", vm.Name(), cluster.Name())
return &info, nil
}
}
log.Printf("[DEBUG] No DRS config info found for VM %q in cluster %q", vm.Name(), cluster.Name())
return nil, nil
}
// resourceVSphereDRSVMOverrideObjects handles the fetching of the cluster and
// virtual machine depending on what attributes are available:
// * If the resource ID is available, the data is derived from the ID.
// * If not, it's derived from the compute_cluster_id and virtual_machine_id
// attributes.
func resourceVSphereDRSVMOverrideObjects(
d *schema.ResourceData,
meta interface{},
) (*object.ClusterComputeResource, *object.VirtualMachine, error) {
if d.Id() != "" {
return resourceVSphereDRSVMOverrideObjectsFromID(d, meta)
}
return resourceVSphereDRSVMOverrideObjectsFromAttributes(d, meta)
}
func resourceVSphereDRSVMOverrideObjectsFromAttributes(
d *schema.ResourceData,
meta interface{},
) (*object.ClusterComputeResource, *object.VirtualMachine, error) {
return resourceVSphereDRSVMOverrideFetchObjects(
meta,
d.Get("compute_cluster_id").(string),
d.Get("virtual_machine_id").(string),
)
}
func resourceVSphereDRSVMOverrideObjectsFromID(
d structure.ResourceIDStringer,
meta interface{},
) (*object.ClusterComputeResource, *object.VirtualMachine, error) {
// Note that this function uses structure.ResourceIDStringer to satisfy
// interfacer. Adding exceptions in the comments does not seem to work.
// Change this back to ResourceData if it's needed in the future.
clusterID, vmID, err := resourceVSphereDRSVMOverrideParseID(d.Id())
if err != nil {
return nil, nil, err
}
return resourceVSphereDRSVMOverrideFetchObjects(meta, clusterID, vmID)
}
func resourceVSphereDRSVMOverrideFetchObjects(
meta interface{},
clusterID string,
vmID string,
) (*object.ClusterComputeResource, *object.VirtualMachine, error) {
client, err := resourceVSphereDRSVMOverrideClient(meta)
if err != nil {
return nil, nil, err
}
cluster, err := clustercomputeresource.FromID(client, clusterID)
if err != nil {
return nil, nil, fmt.Errorf("cannot locate cluster: %s", err)
}
vm, err := virtualmachine.FromUUID(client, vmID)
if err != nil {
return nil, nil, fmt.Errorf("cannot locate virtual machine: %s", err)
}
return cluster, vm, nil
}
func resourceVSphereDRSVMOverrideClient(meta interface{}) (*govmomi.Client, error) {
client := meta.(*VSphereClient).vimClient
if err := viapi.ValidateVirtualCenter(client); err != nil {
return nil, err
}
return client, nil
}