| // |
| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| // |
| |
| package cloudstack |
| |
| import ( |
| "fmt" |
| "strings" |
| |
| "github.com/apache/cloudstack-go/v2/cloudstack" |
| "github.com/hashicorp/terraform/helper/schema" |
| ) |
| |
| func resourceCloudStackDisk() *schema.Resource { |
| return &schema.Resource{ |
| Create: resourceCloudStackDiskCreate, |
| Read: resourceCloudStackDiskRead, |
| Update: resourceCloudStackDiskUpdate, |
| Delete: resourceCloudStackDiskDelete, |
| Importer: &schema.ResourceImporter{ |
| State: importStatePassthrough, |
| }, |
| |
| Schema: map[string]*schema.Schema{ |
| "name": { |
| Type: schema.TypeString, |
| Required: true, |
| ForceNew: true, |
| }, |
| |
| "attach": { |
| Type: schema.TypeBool, |
| Optional: true, |
| Default: false, |
| }, |
| |
| "device_id": { |
| Type: schema.TypeInt, |
| Optional: true, |
| Computed: true, |
| }, |
| |
| "disk_offering": { |
| Type: schema.TypeString, |
| Optional: true, |
| }, |
| |
| "size": { |
| Type: schema.TypeInt, |
| Optional: true, |
| Computed: true, |
| }, |
| |
| "shrink_ok": { |
| Type: schema.TypeBool, |
| Optional: true, |
| Default: false, |
| }, |
| |
| "virtual_machine_id": { |
| Type: schema.TypeString, |
| Optional: true, |
| }, |
| |
| "project": { |
| Type: schema.TypeString, |
| Optional: true, |
| Computed: true, |
| ForceNew: true, |
| }, |
| |
| "zone": { |
| Type: schema.TypeString, |
| Required: true, |
| ForceNew: true, |
| }, |
| |
| "tags": tagsSchema(), |
| }, |
| } |
| } |
| |
| func resourceCloudStackDiskCreate(d *schema.ResourceData, meta interface{}) error { |
| cs := meta.(*cloudstack.CloudStackClient) |
| d.Partial(true) |
| |
| name := d.Get("name").(string) |
| |
| // Create a new parameter struct |
| p := cs.Volume.NewCreateVolumeParams() |
| p.SetName(name) |
| |
| // Retrieve the disk_offering ID |
| diskofferingid, e := retrieveID(cs, "disk_offering", d.Get("disk_offering").(string)) |
| if e != nil { |
| return e.Error() |
| } |
| // Set the disk_offering ID |
| p.SetDiskofferingid(diskofferingid) |
| |
| if d.Get("size").(int) != 0 { |
| // Set the volume size |
| p.SetSize(int64(d.Get("size").(int))) |
| } |
| |
| // If there is a project supplied, we retrieve and set the project id |
| if err := setProjectid(p, cs, d); err != nil { |
| return err |
| } |
| |
| // Retrieve the zone ID |
| zoneid, e := retrieveID(cs, "zone", d.Get("zone").(string)) |
| if e != nil { |
| return e.Error() |
| } |
| // Set the zone ID |
| p.SetZoneid(zoneid) |
| |
| // Create the new volume |
| r, err := cs.Volume.CreateVolume(p) |
| if err != nil { |
| return fmt.Errorf("Error creating the new disk %s: %s", name, err) |
| } |
| |
| d.SetPartial("name") |
| d.SetPartial("device_id") |
| d.SetPartial("disk_offering") |
| d.SetPartial("size") |
| d.SetPartial("virtual_machine_id") |
| d.SetPartial("project") |
| d.SetPartial("zone") |
| |
| // Set the volume ID and partials |
| d.SetId(r.Id) |
| |
| // Set tags if necessary |
| err = setTags(cs, d, "Volume") |
| if err != nil { |
| return fmt.Errorf("Error setting tags on the new disk %s: %s", name, err) |
| } |
| d.SetPartial("tags") |
| |
| if d.Get("attach").(bool) { |
| if err := resourceCloudStackDiskAttach(d, meta); err != nil { |
| return fmt.Errorf("Error attaching the new disk %s to virtual machine: %s", name, err) |
| } |
| |
| // Set the additional partial |
| d.SetPartial("attach") |
| } |
| |
| d.Partial(false) |
| return resourceCloudStackDiskRead(d, meta) |
| } |
| |
| func resourceCloudStackDiskRead(d *schema.ResourceData, meta interface{}) error { |
| cs := meta.(*cloudstack.CloudStackClient) |
| |
| // Get the volume details |
| v, count, err := cs.Volume.GetVolumeByID( |
| d.Id(), |
| cloudstack.WithProject(d.Get("project").(string)), |
| ) |
| if err != nil { |
| if count == 0 { |
| d.SetId("") |
| return nil |
| } |
| |
| return err |
| } |
| |
| d.Set("name", v.Name) |
| d.Set("attach", v.Virtualmachineid != "") // If attached this contains a virtual machine ID |
| d.Set("size", int(v.Size/(1024*1024*1024))) // Needed to get GB's again |
| |
| tags := make(map[string]interface{}) |
| for _, tag := range v.Tags { |
| tags[tag.Key] = tag.Value |
| } |
| d.Set("tags", tags) |
| |
| setValueOrID(d, "disk_offering", v.Diskofferingname, v.Diskofferingid) |
| setValueOrID(d, "project", v.Project, v.Projectid) |
| setValueOrID(d, "zone", v.Zonename, v.Zoneid) |
| |
| if v.Virtualmachineid != "" { |
| d.Set("device_id", int(v.Deviceid)) |
| d.Set("virtual_machine_id", v.Virtualmachineid) |
| } |
| |
| return nil |
| } |
| |
| func resourceCloudStackDiskUpdate(d *schema.ResourceData, meta interface{}) error { |
| cs := meta.(*cloudstack.CloudStackClient) |
| d.Partial(true) |
| |
| name := d.Get("name").(string) |
| |
| if d.HasChange("disk_offering") || d.HasChange("size") { |
| // Detach the volume (re-attach is done at the end of this function) |
| if err := resourceCloudStackDiskDetach(d, meta); err != nil { |
| return fmt.Errorf("Error detaching disk %s from virtual machine: %s", name, err) |
| } |
| |
| // Create a new parameter struct |
| p := cs.Volume.NewResizeVolumeParams(d.Id()) |
| |
| // Retrieve the disk_offering ID |
| diskofferingid, e := retrieveID(cs, "disk_offering", d.Get("disk_offering").(string)) |
| if e != nil { |
| return e.Error() |
| } |
| |
| // Set the disk_offering ID |
| p.SetDiskofferingid(diskofferingid) |
| |
| if d.HasChange("size") { |
| // Set the size |
| p.SetSize(int64(d.Get("size").(int))) |
| } |
| |
| // Set the shrink bit |
| p.SetShrinkok(d.Get("shrink_ok").(bool)) |
| |
| // Change the disk_offering |
| r, err := cs.Volume.ResizeVolume(p) |
| if err != nil { |
| return fmt.Errorf("Error changing disk offering/size for disk %s: %s", name, err) |
| } |
| |
| // Update the volume ID and set partials |
| d.SetId(r.Id) |
| d.SetPartial("disk_offering") |
| d.SetPartial("size") |
| } |
| |
| // If the device ID changed, just detach here so we can re-attach the |
| // volume at the end of this function |
| if d.HasChange("device_id") || d.HasChange("virtual_machine") { |
| // Detach the volume |
| if err := resourceCloudStackDiskDetach(d, meta); err != nil { |
| return fmt.Errorf("Error detaching disk %s from virtual machine: %s", name, err) |
| } |
| } |
| |
| if d.Get("attach").(bool) { |
| // Attach the volume |
| err := resourceCloudStackDiskAttach(d, meta) |
| if err != nil { |
| return fmt.Errorf("Error attaching disk %s to virtual machine: %s", name, err) |
| } |
| |
| // Set the additional partials |
| d.SetPartial("attach") |
| d.SetPartial("device_id") |
| d.SetPartial("virtual_machine_id") |
| } else { |
| // Detach the volume |
| if err := resourceCloudStackDiskDetach(d, meta); err != nil { |
| return fmt.Errorf("Error detaching disk %s from virtual machine: %s", name, err) |
| } |
| } |
| |
| // Check is the tags have changed and if so, update the tags |
| if d.HasChange("tags") { |
| err := updateTags(cs, d, "Volume") |
| if err != nil { |
| return fmt.Errorf("Error updating tags on disk %s: %s", name, err) |
| } |
| d.SetPartial("tags") |
| } |
| |
| d.Partial(false) |
| |
| return resourceCloudStackDiskRead(d, meta) |
| } |
| |
| func resourceCloudStackDiskDelete(d *schema.ResourceData, meta interface{}) error { |
| cs := meta.(*cloudstack.CloudStackClient) |
| |
| // Detach the volume |
| if err := resourceCloudStackDiskDetach(d, meta); err != nil { |
| return err |
| } |
| |
| // Create a new parameter struct |
| p := cs.Volume.NewDeleteVolumeParams(d.Id()) |
| |
| // Delete the voluem |
| if _, err := cs.Volume.DeleteVolume(p); err != nil { |
| // This is a very poor way to be told the ID does no longer exist :( |
| if strings.Contains(err.Error(), fmt.Sprintf( |
| "Invalid parameter id value=%s due to incorrect long value format, "+ |
| "or entity does not exist", d.Id())) { |
| return nil |
| } |
| |
| return err |
| } |
| |
| return nil |
| } |
| |
| func resourceCloudStackDiskAttach(d *schema.ResourceData, meta interface{}) error { |
| cs := meta.(*cloudstack.CloudStackClient) |
| |
| if virtualmachineid, ok := d.GetOk("virtual_machine_id"); ok { |
| // First check if the disk isn't already attached |
| if attached, err := isAttached(d, meta); err != nil || attached { |
| return err |
| } |
| |
| // Create a new parameter struct |
| p := cs.Volume.NewAttachVolumeParams(d.Id(), virtualmachineid.(string)) |
| |
| if deviceid, ok := d.GetOk("device_id"); ok { |
| p.SetDeviceid(int64(deviceid.(int))) |
| } |
| |
| // Attach the new volume |
| r, err := Retry(10, retryableAttachVolumeFunc(cs, p)) |
| if err != nil { |
| return fmt.Errorf("Error attaching volume to VM: %s", err) |
| } |
| |
| d.SetId(r.(*cloudstack.AttachVolumeResponse).Id) |
| } |
| |
| return nil |
| } |
| |
| func resourceCloudStackDiskDetach(d *schema.ResourceData, meta interface{}) error { |
| cs := meta.(*cloudstack.CloudStackClient) |
| |
| // Check if the volume is actually attached, before detaching |
| if attached, err := isAttached(d, meta); err != nil || !attached { |
| return err |
| } |
| |
| // Create a new parameter struct |
| p := cs.Volume.NewDetachVolumeParams() |
| |
| // Set the volume ID |
| p.SetId(d.Id()) |
| |
| // Detach the currently attached volume |
| _, err := cs.Volume.DetachVolume(p) |
| if err != nil { |
| if virtualmachineid, ok := d.GetOk("virtual_machine_id"); ok { |
| // Create a new parameter struct |
| pd := cs.VirtualMachine.NewStopVirtualMachineParams(virtualmachineid.(string)) |
| |
| // Stop the virtual machine in order to be able to detach the disk |
| if _, err := cs.VirtualMachine.StopVirtualMachine(pd); err != nil { |
| return err |
| } |
| |
| // Try again to detach the currently attached volume |
| if _, err := cs.Volume.DetachVolume(p); err != nil { |
| return err |
| } |
| |
| // Create a new parameter struct |
| pu := cs.VirtualMachine.NewStartVirtualMachineParams(virtualmachineid.(string)) |
| |
| // Start the virtual machine again |
| if _, err := cs.VirtualMachine.StartVirtualMachine(pu); err != nil { |
| return err |
| } |
| } |
| } |
| |
| return err |
| } |
| |
| func isAttached(d *schema.ResourceData, meta interface{}) (bool, error) { |
| cs := meta.(*cloudstack.CloudStackClient) |
| |
| // Get the volume details |
| v, _, err := cs.Volume.GetVolumeByID( |
| d.Id(), |
| cloudstack.WithProject(d.Get("project").(string)), |
| ) |
| if err != nil { |
| return false, err |
| } |
| |
| return v.Virtualmachineid != "", nil |
| } |
| |
| func retryableAttachVolumeFunc( |
| cs *cloudstack.CloudStackClient, |
| p *cloudstack.AttachVolumeParams) func() (interface{}, error) { |
| return func() (interface{}, error) { |
| r, err := cs.Volume.AttachVolume(p) |
| if err != nil { |
| return nil, err |
| } |
| return r, nil |
| } |
| } |