terraform/builtin/providers/openstack/resource_openstack_compute_...

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package openstack
import (
"bytes"
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"fmt"
"log"
"time"
"github.com/hashicorp/terraform/helper/hashcode"
"github.com/hashicorp/terraform/helper/resource"
"github.com/hashicorp/terraform/helper/schema"
"github.com/racker/perigee"
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"github.com/rackspace/gophercloud"
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"github.com/rackspace/gophercloud/openstack/compute/v2/extensions/bootfromvolume"
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"github.com/rackspace/gophercloud/openstack/compute/v2/extensions/keypairs"
"github.com/rackspace/gophercloud/openstack/compute/v2/extensions/secgroups"
"github.com/rackspace/gophercloud/openstack/compute/v2/extensions/volumeattach"
"github.com/rackspace/gophercloud/openstack/compute/v2/flavors"
"github.com/rackspace/gophercloud/openstack/compute/v2/images"
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"github.com/rackspace/gophercloud/openstack/compute/v2/servers"
"github.com/rackspace/gophercloud/openstack/networking/v2/extensions/layer3/floatingips"
"github.com/rackspace/gophercloud/openstack/networking/v2/networks"
"github.com/rackspace/gophercloud/openstack/networking/v2/ports"
"github.com/rackspace/gophercloud/pagination"
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)
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func resourceComputeInstanceV2() *schema.Resource {
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return &schema.Resource{
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Create: resourceComputeInstanceV2Create,
Read: resourceComputeInstanceV2Read,
Update: resourceComputeInstanceV2Update,
Delete: resourceComputeInstanceV2Delete,
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Schema: map[string]*schema.Schema{
"region": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
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DefaultFunc: envDefaultFunc("OS_REGION_NAME"),
},
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"name": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: false,
},
"image_id": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
ForceNew: true,
Computed: true,
DefaultFunc: envDefaultFunc("OS_IMAGE_ID"),
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},
"image_name": &schema.Schema{
Type: schema.TypeString,
Optional: true,
ForceNew: true,
Computed: true,
DefaultFunc: envDefaultFunc("OS_IMAGE_NAME"),
},
"flavor_id": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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ForceNew: false,
Computed: true,
DefaultFunc: envDefaultFunc("OS_FLAVOR_ID"),
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},
"flavor_name": &schema.Schema{
Type: schema.TypeString,
Optional: true,
ForceNew: false,
Computed: true,
DefaultFunc: envDefaultFunc("OS_FLAVOR_NAME"),
},
"floating_ip": &schema.Schema{
Type: schema.TypeString,
Optional: true,
ForceNew: false,
},
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"security_groups": &schema.Schema{
Type: schema.TypeSet,
Optional: true,
ForceNew: false,
Elem: &schema.Schema{Type: schema.TypeString},
Set: func(v interface{}) int {
return hashcode.String(v.(string))
},
},
"availability_zone": &schema.Schema{
Type: schema.TypeString,
Optional: true,
ForceNew: true,
},
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"network": &schema.Schema{
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Type: schema.TypeList,
Optional: true,
ForceNew: true,
Elem: &schema.Resource{
Schema: map[string]*schema.Schema{
"uuid": &schema.Schema{
Type: schema.TypeString,
Optional: true,
},
"port": &schema.Schema{
Type: schema.TypeString,
Optional: true,
},
"fixed_ip": &schema.Schema{
Type: schema.TypeString,
Optional: true,
},
},
},
},
"metadata": &schema.Schema{
Type: schema.TypeMap,
Optional: true,
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ForceNew: false,
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},
"config_drive": &schema.Schema{
Type: schema.TypeBool,
Optional: true,
ForceNew: true,
},
"admin_pass": &schema.Schema{
Type: schema.TypeString,
Optional: true,
ForceNew: false,
},
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"access_ip_v4": &schema.Schema{
Type: schema.TypeString,
Computed: true,
Optional: true,
ForceNew: false,
},
"access_ip_v6": &schema.Schema{
Type: schema.TypeString,
Computed: true,
Optional: true,
ForceNew: false,
},
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"key_pair": &schema.Schema{
Type: schema.TypeString,
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Optional: true,
ForceNew: true,
},
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"block_device": &schema.Schema{
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Type: schema.TypeList,
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Optional: true,
ForceNew: true,
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Elem: &schema.Resource{
Schema: map[string]*schema.Schema{
"uuid": &schema.Schema{
Type: schema.TypeString,
Required: true,
},
"source_type": &schema.Schema{
Type: schema.TypeString,
Required: true,
},
"volume_size": &schema.Schema{
Type: schema.TypeInt,
Optional: true,
},
"destination_type": &schema.Schema{
Type: schema.TypeString,
Optional: true,
},
"boot_index": &schema.Schema{
Type: schema.TypeInt,
Optional: true,
},
},
},
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},
"volume": &schema.Schema{
Type: schema.TypeSet,
Optional: true,
Elem: &schema.Resource{
Schema: map[string]*schema.Schema{
"id": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Computed: true,
},
"volume_id": &schema.Schema{
Type: schema.TypeString,
Required: true,
},
"device": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Computed: true,
},
},
},
Set: resourceComputeVolumeAttachmentHash,
},
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},
}
}
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func resourceComputeInstanceV2Create(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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computeClient, err := config.computeV2Client(d.Get("region").(string))
if err != nil {
return fmt.Errorf("Error creating OpenStack compute client: %s", err)
}
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var createOpts servers.CreateOptsBuilder
imageId, err := getImageID(computeClient, d)
if err != nil {
return err
}
flavorId, err := getFlavorID(computeClient, d)
if err != nil {
return err
}
createOpts = &servers.CreateOpts{
Name: d.Get("name").(string),
ImageRef: imageId,
FlavorRef: flavorId,
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SecurityGroups: resourceInstanceSecGroupsV2(d),
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AvailabilityZone: d.Get("availability_zone").(string),
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Networks: resourceInstanceNetworksV2(d),
Metadata: resourceInstanceMetadataV2(d),
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ConfigDrive: d.Get("config_drive").(bool),
AdminPass: d.Get("admin_pass").(string),
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}
if keyName, ok := d.Get("key_pair").(string); ok && keyName != "" {
createOpts = &keypairs.CreateOptsExt{
createOpts,
keyName,
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}
}
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if blockDeviceRaw, ok := d.Get("block_device").(map[string]interface{}); ok && blockDeviceRaw != nil {
blockDevice := resourceInstanceBlockDeviceV2(d, blockDeviceRaw)
createOpts = &bootfromvolume.CreateOptsExt{
createOpts,
blockDevice,
}
}
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log.Printf("[INFO] Requesting instance creation")
server, err := servers.Create(computeClient, createOpts).Extract()
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if err != nil {
return fmt.Errorf("Error creating OpenStack server: %s", err)
}
log.Printf("[INFO] Instance ID: %s", server.ID)
// Store the ID now
d.SetId(server.ID)
// Wait for the instance to become running so we can get some attributes
// that aren't available until later.
log.Printf(
"[DEBUG] Waiting for instance (%s) to become running",
server.ID)
stateConf := &resource.StateChangeConf{
Pending: []string{"BUILD"},
Target: "ACTIVE",
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Refresh: ServerV2StateRefreshFunc(computeClient, server.ID),
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Timeout: 10 * time.Minute,
Delay: 10 * time.Second,
MinTimeout: 3 * time.Second,
}
_, err = stateConf.WaitForState()
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if err != nil {
return fmt.Errorf(
"Error waiting for instance (%s) to become ready: %s",
server.ID, err)
}
floatingIP := d.Get("floating_ip").(string)
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if floatingIP != "" {
networkingClient, err := config.networkingV2Client(d.Get("region").(string))
if err != nil {
return fmt.Errorf("Error creating OpenStack compute client: %s", err)
}
allFloatingIPs, err := getFloatingIPs(networkingClient)
if err != nil {
return fmt.Errorf("Error listing OpenStack floating IPs: %s", err)
}
err = assignFloatingIP(networkingClient, extractFloatingIPFromIP(allFloatingIPs, floatingIP), server.ID)
if err != nil {
fmt.Errorf("Error assigning floating IP to OpenStack compute instance: %s", err)
}
}
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// were volume attachments specified?
if v := d.Get("volume"); v != nil {
vols := v.(*schema.Set).List()
if len(vols) > 0 {
if blockClient, err := config.blockStorageV1Client(d.Get("region").(string)); err != nil {
return fmt.Errorf("Error creating OpenStack block storage client: %s", err)
} else {
if err := attachVolumesToInstance(computeClient, blockClient, d.Id(), vols); err != nil {
return err
}
}
}
}
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return resourceComputeInstanceV2Read(d, meta)
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}
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func resourceComputeInstanceV2Read(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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computeClient, err := config.computeV2Client(d.Get("region").(string))
if err != nil {
return fmt.Errorf("Error creating OpenStack compute client: %s", err)
}
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server, err := servers.Get(computeClient, d.Id()).Extract()
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if err != nil {
return CheckDeleted(d, err, "server")
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}
log.Printf("[DEBUG] Retreived Server %s: %+v", d.Id(), server)
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d.Set("region", d.Get("region").(string))
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d.Set("name", server.Name)
d.Set("access_ip_v4", server.AccessIPv4)
d.Set("access_ip_v6", server.AccessIPv6)
host := server.AccessIPv4
if host == "" {
if publicAddressesRaw, ok := server.Addresses["public"]; ok {
publicAddresses := publicAddressesRaw.([]interface{})
for _, paRaw := range publicAddresses {
pa := paRaw.(map[string]interface{})
if pa["version"].(float64) == 4 {
host = pa["addr"].(string)
break
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}
}
}
}
// If no host found, just get the first IP we find
if host == "" {
for _, networkAddresses := range server.Addresses {
for _, element := range networkAddresses.([]interface{}) {
address := element.(map[string]interface{})
if address["version"].(float64) == 4 {
host = address["addr"].(string)
break
}
}
}
}
d.Set("access_ip_v4", host)
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d.Set("host", host)
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log.Printf("host: %s", host)
// Initialize the connection info
d.SetConnInfo(map[string]string{
"type": "ssh",
"host": host,
})
d.Set("metadata", server.Metadata)
secGrpNames := []string{}
err = secgroups.ListByServer(computeClient, d.Id()).EachPage(func(page pagination.Page) (bool, error) {
secGrpList, err := secgroups.ExtractSecurityGroups(page)
if err != nil {
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return false, fmt.Errorf("Error getting security groups for OpenStack server: %s", err)
}
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for _, sg := range secGrpList {
secGrpNames = append(secGrpNames, sg.Name)
}
return true, nil
})
d.Set("security_groups", secGrpNames)
flavorId, ok := server.Flavor["id"].(string)
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if !ok {
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return fmt.Errorf("Error setting OpenStack server's flavor: %v", server.Flavor)
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}
d.Set("flavor_id", flavorId)
flavor, err := flavors.Get(computeClient, flavorId).Extract()
if err != nil {
return err
}
d.Set("flavor_name", flavor.Name)
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imageId, ok := server.Image["id"].(string)
if !ok {
return fmt.Errorf("Error setting OpenStack server's image: %v", server.Image)
}
d.Set("image_id", imageId)
image, err := images.Get(computeClient, imageId).Extract()
if err != nil {
return err
}
d.Set("image_name", image.Name)
// volume attachments
vas, err := getVolumeAttachments(computeClient, d.Id())
if err != nil {
return err
}
if len(vas) > 0 {
attachments := make([]map[string]interface{}, len(vas))
for i, attachment := range vas {
attachments[i] = make(map[string]interface{})
attachments[i]["id"] = attachment.ID
attachments[i]["volume_id"] = attachment.VolumeID
attachments[i]["device"] = attachment.Device
}
log.Printf("[INFO] Volume attachments: %v", attachments)
d.Set("volume", attachments)
}
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return nil
}
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func resourceComputeInstanceV2Update(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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computeClient, err := config.computeV2Client(d.Get("region").(string))
if err != nil {
return fmt.Errorf("Error creating OpenStack compute client: %s", err)
}
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var updateOpts servers.UpdateOpts
if d.HasChange("name") {
updateOpts.Name = d.Get("name").(string)
}
if d.HasChange("access_ip_v4") {
updateOpts.AccessIPv4 = d.Get("access_ip_v4").(string)
}
if d.HasChange("access_ip_v6") {
updateOpts.AccessIPv4 = d.Get("access_ip_v6").(string)
}
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if updateOpts != (servers.UpdateOpts{}) {
_, err := servers.Update(computeClient, d.Id(), updateOpts).Extract()
if err != nil {
return fmt.Errorf("Error updating OpenStack server: %s", err)
}
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}
if d.HasChange("metadata") {
var metadataOpts servers.MetadataOpts
metadataOpts = make(servers.MetadataOpts)
newMetadata := d.Get("metadata").(map[string]interface{})
for k, v := range newMetadata {
metadataOpts[k] = v.(string)
}
_, err := servers.UpdateMetadata(computeClient, d.Id(), metadataOpts).Extract()
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if err != nil {
return fmt.Errorf("Error updating OpenStack server (%s) metadata: %s", d.Id(), err)
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}
}
if d.HasChange("security_groups") {
oldSGRaw, newSGRaw := d.GetChange("security_groups")
oldSGSet, newSGSet := oldSGRaw.(*schema.Set), newSGRaw.(*schema.Set)
secgroupsToAdd := newSGSet.Difference(oldSGSet)
secgroupsToRemove := oldSGSet.Difference(newSGSet)
log.Printf("[DEBUG] Security groups to add: %v", secgroupsToAdd)
log.Printf("[DEBUG] Security groups to remove: %v", secgroupsToRemove)
for _, g := range secgroupsToAdd.List() {
err := secgroups.AddServerToGroup(computeClient, d.Id(), g.(string)).ExtractErr()
if err != nil {
return fmt.Errorf("Error adding security group to OpenStack server (%s): %s", d.Id(), err)
}
log.Printf("[DEBUG] Added security group (%s) to instance (%s)", g.(string), d.Id())
}
for _, g := range secgroupsToRemove.List() {
err := secgroups.RemoveServerFromGroup(computeClient, d.Id(), g.(string)).ExtractErr()
if err != nil {
return fmt.Errorf("Error removing security group from OpenStack server (%s): %s", d.Id(), err)
}
log.Printf("[DEBUG] Removed security group (%s) from instance (%s)", g.(string), d.Id())
}
}
if d.HasChange("admin_pass") {
if newPwd, ok := d.Get("admin_pass").(string); ok {
err := servers.ChangeAdminPassword(computeClient, d.Id(), newPwd).ExtractErr()
if err != nil {
return fmt.Errorf("Error changing admin password of OpenStack server (%s): %s", d.Id(), err)
}
}
}
if d.HasChange("floating_ip") {
floatingIP := d.Get("floating_ip").(string)
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if floatingIP != "" {
networkingClient, err := config.networkingV2Client(d.Get("region").(string))
if err != nil {
return fmt.Errorf("Error creating OpenStack compute client: %s", err)
}
allFloatingIPs, err := getFloatingIPs(networkingClient)
if err != nil {
return fmt.Errorf("Error listing OpenStack floating IPs: %s", err)
}
err = assignFloatingIP(networkingClient, extractFloatingIPFromIP(allFloatingIPs, floatingIP), d.Id())
if err != nil {
fmt.Errorf("Error assigning floating IP to OpenStack compute instance: %s", err)
}
}
}
if d.HasChange("volume") {
// old attachments and new attachments
oldAttachments, newAttachments := d.GetChange("volume")
// for each old attachment, detach the volume
oldAttachmentSet := oldAttachments.(*schema.Set).List()
if len(oldAttachmentSet) > 0 {
if blockClient, err := config.blockStorageV1Client(d.Get("region").(string)); err != nil {
return err
} else {
if err := detachVolumesFromInstance(computeClient, blockClient, d.Id(), oldAttachmentSet); err != nil {
return err
}
}
}
// for each new attachment, attach the volume
newAttachmentSet := newAttachments.(*schema.Set).List()
if len(newAttachmentSet) > 0 {
if blockClient, err := config.blockStorageV1Client(d.Get("region").(string)); err != nil {
return err
} else {
if err := attachVolumesToInstance(computeClient, blockClient, d.Id(), newAttachmentSet); err != nil {
return err
}
}
}
d.SetPartial("volume")
}
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if d.HasChange("flavor_ref") {
resizeOpts := &servers.ResizeOpts{
FlavorRef: d.Get("flavor_ref").(string),
}
err := servers.Resize(computeClient, d.Id(), resizeOpts).ExtractErr()
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if err != nil {
return fmt.Errorf("Error resizing OpenStack server: %s", err)
}
// Wait for the instance to finish resizing.
log.Printf("[DEBUG] Waiting for instance (%s) to finish resizing", d.Id())
stateConf := &resource.StateChangeConf{
Pending: []string{"RESIZE"},
Target: "VERIFY_RESIZE",
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Refresh: ServerV2StateRefreshFunc(computeClient, d.Id()),
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Timeout: 3 * time.Minute,
Delay: 10 * time.Second,
MinTimeout: 3 * time.Second,
}
_, err = stateConf.WaitForState()
if err != nil {
return fmt.Errorf("Error waiting for instance (%s) to resize: %s", d.Id(), err)
}
// Confirm resize.
log.Printf("[DEBUG] Confirming resize")
err = servers.ConfirmResize(computeClient, d.Id()).ExtractErr()
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if err != nil {
return fmt.Errorf("Error confirming resize of OpenStack server: %s", err)
}
stateConf = &resource.StateChangeConf{
Pending: []string{"VERIFY_RESIZE"},
Target: "ACTIVE",
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Refresh: ServerV2StateRefreshFunc(computeClient, d.Id()),
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Timeout: 3 * time.Minute,
Delay: 10 * time.Second,
MinTimeout: 3 * time.Second,
}
_, err = stateConf.WaitForState()
if err != nil {
return fmt.Errorf("Error waiting for instance (%s) to confirm resize: %s", d.Id(), err)
}
}
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return resourceComputeInstanceV2Read(d, meta)
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}
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func resourceComputeInstanceV2Delete(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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computeClient, err := config.computeV2Client(d.Get("region").(string))
if err != nil {
return fmt.Errorf("Error creating OpenStack compute client: %s", err)
}
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err = servers.Delete(computeClient, d.Id()).ExtractErr()
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if err != nil {
return fmt.Errorf("Error deleting OpenStack server: %s", err)
}
// Wait for the instance to delete before moving on.
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log.Printf("[DEBUG] Waiting for instance (%s) to delete", d.Id())
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stateConf := &resource.StateChangeConf{
Pending: []string{"ACTIVE"},
Target: "DELETED",
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Refresh: ServerV2StateRefreshFunc(computeClient, d.Id()),
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Timeout: 10 * time.Minute,
Delay: 10 * time.Second,
MinTimeout: 3 * time.Second,
}
_, err = stateConf.WaitForState()
if err != nil {
return fmt.Errorf(
"Error waiting for instance (%s) to delete: %s",
d.Id(), err)
}
d.SetId("")
return nil
}
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// ServerV2StateRefreshFunc returns a resource.StateRefreshFunc that is used to watch
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// an OpenStack instance.
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func ServerV2StateRefreshFunc(client *gophercloud.ServiceClient, instanceID string) resource.StateRefreshFunc {
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return func() (interface{}, string, error) {
s, err := servers.Get(client, instanceID).Extract()
if err != nil {
errCode, ok := err.(*perigee.UnexpectedResponseCodeError)
if !ok {
return nil, "", err
}
if errCode.Actual == 404 {
return s, "DELETED", nil
}
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return nil, "", err
}
return s, s.Status, nil
}
}
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func resourceInstanceSecGroupsV2(d *schema.ResourceData) []string {
rawSecGroups := d.Get("security_groups").(*schema.Set)
secgroups := make([]string, rawSecGroups.Len())
for i, raw := range rawSecGroups.List() {
secgroups[i] = raw.(string)
}
return secgroups
}
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func resourceInstanceNetworksV2(d *schema.ResourceData) []servers.Network {
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rawNetworks := d.Get("network").([]interface{})
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networks := make([]servers.Network, len(rawNetworks))
for i, raw := range rawNetworks {
rawMap := raw.(map[string]interface{})
networks[i] = servers.Network{
UUID: rawMap["uuid"].(string),
Port: rawMap["port"].(string),
FixedIP: rawMap["fixed_ip"].(string),
}
}
return networks
}
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func resourceInstanceMetadataV2(d *schema.ResourceData) map[string]string {
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m := make(map[string]string)
for key, val := range d.Get("metadata").(map[string]interface{}) {
m[key] = val.(string)
}
return m
}
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func resourceInstanceBlockDeviceV2(d *schema.ResourceData, bd map[string]interface{}) []bootfromvolume.BlockDevice {
sourceType := bootfromvolume.SourceType(bd["source_type"].(string))
bfvOpts := []bootfromvolume.BlockDevice{
bootfromvolume.BlockDevice{
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UUID: bd["uuid"].(string),
SourceType: sourceType,
VolumeSize: bd["volume_size"].(int),
DestinationType: bd["destination_type"].(string),
BootIndex: bd["boot_index"].(int),
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},
}
return bfvOpts
}
func extractFloatingIPFromIP(ips []floatingips.FloatingIP, IP string) *floatingips.FloatingIP {
for _, floatingIP := range ips {
if floatingIP.FloatingIP == IP {
return &floatingIP
}
}
return nil
}
func assignFloatingIP(networkingClient *gophercloud.ServiceClient, floatingIP *floatingips.FloatingIP, instanceID string) error {
networkID, err := getFirstNetworkID(networkingClient, instanceID)
if err != nil {
return err
}
portID, err := getInstancePortID(networkingClient, instanceID, networkID)
_, err = floatingips.Update(networkingClient, floatingIP.ID, floatingips.UpdateOpts{
PortID: portID,
}).Extract()
return err
}
func getFirstNetworkID(networkingClient *gophercloud.ServiceClient, instanceID string) (string, error) {
pager := networks.List(networkingClient, networks.ListOpts{})
var networkdID string
err := pager.EachPage(func(page pagination.Page) (bool, error) {
networkList, err := networks.ExtractNetworks(page)
if err != nil {
return false, err
}
if len(networkList) > 0 {
networkdID = networkList[0].ID
return false, nil
}
return false, fmt.Errorf("No network found for the instance %s", instanceID)
})
if err != nil {
return "", err
}
return networkdID, nil
}
func getInstancePortID(networkingClient *gophercloud.ServiceClient, instanceID, networkID string) (string, error) {
pager := ports.List(networkingClient, ports.ListOpts{
DeviceID: instanceID,
NetworkID: networkID,
})
var portID string
err := pager.EachPage(func(page pagination.Page) (bool, error) {
portList, err := ports.ExtractPorts(page)
if err != nil {
return false, err
}
for _, port := range portList {
portID = port.ID
return false, nil
}
return true, nil
})
if err != nil {
return "", err
}
return portID, nil
}
func getFloatingIPs(networkingClient *gophercloud.ServiceClient) ([]floatingips.FloatingIP, error) {
pager := floatingips.List(networkingClient, floatingips.ListOpts{})
ips := []floatingips.FloatingIP{}
err := pager.EachPage(func(page pagination.Page) (bool, error) {
floatingipList, err := floatingips.ExtractFloatingIPs(page)
if err != nil {
return false, err
}
for _, f := range floatingipList {
ips = append(ips, f)
}
return true, nil
})
if err != nil {
return nil, err
}
return ips, nil
}
func getImageID(client *gophercloud.ServiceClient, d *schema.ResourceData) (string, error) {
imageId := d.Get("image_id").(string)
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if imageId != "" {
return imageId, nil
}
imageCount := 0
imageName := d.Get("image_name").(string)
if imageName != "" {
pager := images.ListDetail(client, &images.ListOpts{
Name: imageName,
})
pager.EachPage(func(page pagination.Page) (bool, error) {
imageList, err := images.ExtractImages(page)
if err != nil {
return false, err
}
for _, i := range imageList {
if i.Name == imageName {
imageCount++
imageId = i.ID
}
}
return true, nil
})
switch imageCount {
case 0:
return "", fmt.Errorf("Unable to find image: %s", imageName)
case 1:
return imageId, nil
default:
return "", fmt.Errorf("Found %d images matching %s", imageCount, imageName)
}
}
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return "", fmt.Errorf("Neither an image ID nor an image name were able to be determined.")
}
func getFlavorID(client *gophercloud.ServiceClient, d *schema.ResourceData) (string, error) {
flavorId := d.Get("flavor_id").(string)
if flavorId != "" {
return flavorId, nil
}
flavorCount := 0
flavorName := d.Get("flavor_name").(string)
if flavorName != "" {
pager := flavors.ListDetail(client, nil)
pager.EachPage(func(page pagination.Page) (bool, error) {
flavorList, err := flavors.ExtractFlavors(page)
if err != nil {
return false, err
}
for _, f := range flavorList {
if f.Name == flavorName {
flavorCount++
flavorId = f.ID
}
}
return true, nil
})
switch flavorCount {
case 0:
return "", fmt.Errorf("Unable to find flavor: %s", flavorName)
case 1:
return flavorId, nil
default:
return "", fmt.Errorf("Found %d flavors matching %s", flavorCount, flavorName)
}
}
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return "", fmt.Errorf("Neither a flavor ID nor a flavor name were able to be determined.")
}
func resourceComputeVolumeAttachmentHash(v interface{}) int {
var buf bytes.Buffer
m := v.(map[string]interface{})
buf.WriteString(fmt.Sprintf("%s-", m["volume_id"].(string)))
buf.WriteString(fmt.Sprintf("%s-", m["device"].(string)))
return hashcode.String(buf.String())
}
func attachVolumesToInstance(computeClient *gophercloud.ServiceClient, blockClient *gophercloud.ServiceClient, serverId string, vols []interface{}) error {
if len(vols) > 0 {
for _, v := range vols {
va := v.(map[string]interface{})
volumeId := va["volume_id"].(string)
device := va["device"].(string)
s := ""
if serverId != "" {
s = serverId
} else if va["server_id"] != "" {
s = va["server_id"].(string)
} else {
return fmt.Errorf("Unable to determine server ID to attach volume.")
}
vaOpts := &volumeattach.CreateOpts{
Device: device,
VolumeID: volumeId,
}
if _, err := volumeattach.Create(computeClient, s, vaOpts).Extract(); err != nil {
return err
}
stateConf := &resource.StateChangeConf{
Target: "in-use",
Refresh: VolumeV1StateRefreshFunc(blockClient, va["volume_id"].(string)),
Timeout: 30 * time.Minute,
Delay: 5 * time.Second,
MinTimeout: 2 * time.Second,
}
if _, err := stateConf.WaitForState(); err != nil {
return err
}
log.Printf("[INFO] Attached volume %s to instance %s", volumeId, serverId)
}
}
return nil
}
func detachVolumesFromInstance(computeClient *gophercloud.ServiceClient, blockClient *gophercloud.ServiceClient, serverId string, vols []interface{}) error {
if len(vols) > 0 {
for _, v := range vols {
va := v.(map[string]interface{})
aId := va["id"].(string)
if err := volumeattach.Delete(computeClient, serverId, aId).ExtractErr(); err != nil {
return err
}
stateConf := &resource.StateChangeConf{
Target: "available",
Refresh: VolumeV1StateRefreshFunc(blockClient, va["volume_id"].(string)),
Timeout: 30 * time.Minute,
Delay: 5 * time.Second,
MinTimeout: 2 * time.Second,
}
if _, err := stateConf.WaitForState(); err != nil {
return err
}
log.Printf("[INFO] Detached volume %s from instance %s", va["volume_id"], serverId)
}
}
return nil
}
func getVolumeAttachments(computeClient *gophercloud.ServiceClient, serverId string) ([]volumeattach.VolumeAttachment, error) {
var attachments []volumeattach.VolumeAttachment
err := volumeattach.List(computeClient, serverId).EachPage(func(page pagination.Page) (bool, error) {
actual, err := volumeattach.ExtractVolumeAttachments(page)
if err != nil {
return false, err
}
attachments = actual
return true, nil
})
if err != nil {
return nil, err
}
return attachments, nil
}