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resource_flexibleengine_compute_bms_server_v2.go
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resource_flexibleengine_compute_bms_server_v2.go
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package flexibleengine
import (
"crypto/sha1"
"encoding/hex"
"fmt"
"log"
"os"
"time"
"github.com/hashicorp/terraform-plugin-sdk/helper/resource"
"github.com/hashicorp/terraform-plugin-sdk/helper/schema"
"github.com/huaweicloud/golangsdk"
bms "github.com/huaweicloud/golangsdk/openstack/bms/v2/servers"
"github.com/huaweicloud/golangsdk/openstack/bms/v2/tags"
"github.com/huaweicloud/golangsdk/openstack/compute/v2/extensions/bootfromvolume"
"github.com/huaweicloud/golangsdk/openstack/compute/v2/extensions/keypairs"
"github.com/huaweicloud/golangsdk/openstack/compute/v2/extensions/secgroups"
"github.com/huaweicloud/golangsdk/openstack/compute/v2/extensions/startstop"
"github.com/huaweicloud/golangsdk/openstack/compute/v2/flavors"
"github.com/huaweicloud/golangsdk/openstack/compute/v2/images"
"github.com/huaweicloud/golangsdk/openstack/compute/v2/servers"
)
func resourceComputeBMSInstanceV2() *schema.Resource {
return &schema.Resource{
Create: resourceComputeBMSInstanceV2Create,
Read: resourceComputeBMSInstanceV2Read,
Update: resourceComputeBMSInstanceV2Update,
Delete: resourceComputeBMSInstanceV2Delete,
Timeouts: &schema.ResourceTimeout{
Create: schema.DefaultTimeout(30 * time.Minute),
Update: schema.DefaultTimeout(30 * time.Minute),
Delete: schema.DefaultTimeout(30 * time.Minute),
},
Schema: map[string]*schema.Schema{
"region": {
Type: schema.TypeString,
Optional: true,
Computed: true,
ForceNew: true,
},
"name": {
Type: schema.TypeString,
Required: true,
ForceNew: false,
},
"image_id": {
Type: schema.TypeString,
Optional: true,
ForceNew: true,
Computed: true,
},
"image_name": {
Type: schema.TypeString,
Optional: true,
ForceNew: true,
Computed: true,
},
"flavor_id": {
Type: schema.TypeString,
Optional: true,
ForceNew: false,
Computed: true,
DefaultFunc: schema.EnvDefaultFunc("OS_BMS_FLAVOR_NAME", nil),
},
"flavor_name": {
Type: schema.TypeString,
Optional: true,
ForceNew: false,
Computed: true,
DefaultFunc: schema.EnvDefaultFunc("OS_BMS_FLAVOR_NAME", nil),
},
"user_data": {
Type: schema.TypeString,
Optional: true,
ForceNew: true,
// just stash the hash for state & diff comparisons
StateFunc: func(v interface{}) string {
switch v.(type) {
case string:
hash := sha1.Sum([]byte(v.(string)))
return hex.EncodeToString(hash[:])
default:
return ""
}
},
},
"security_groups": {
Type: schema.TypeSet,
Optional: true,
ForceNew: false,
Computed: true,
Elem: &schema.Schema{Type: schema.TypeString},
Set: schema.HashString,
},
"availability_zone": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"network": {
Type: schema.TypeList,
Optional: true,
ForceNew: true,
Computed: true,
Elem: &schema.Resource{
Schema: map[string]*schema.Schema{
"uuid": {
Type: schema.TypeString,
Optional: true,
ForceNew: true,
Computed: true,
},
"name": {
Type: schema.TypeString,
Optional: true,
ForceNew: true,
Computed: true,
},
"port": {
Type: schema.TypeString,
Optional: true,
ForceNew: true,
Computed: true,
},
"fixed_ip_v4": {
Type: schema.TypeString,
Optional: true,
ForceNew: true,
Computed: true,
},
"fixed_ip_v6": {
Type: schema.TypeString,
Optional: true,
ForceNew: true,
Computed: true,
},
"mac": {
Type: schema.TypeString,
Computed: true,
},
"access_network": {
Type: schema.TypeBool,
Optional: true,
Default: false,
},
},
},
},
"metadata": {
Type: schema.TypeMap,
Optional: true,
ForceNew: false,
},
"config_drive": {
Type: schema.TypeBool,
Computed: true,
},
"admin_pass": {
Type: schema.TypeString,
Optional: true,
ForceNew: false,
Computed: true,
},
"access_ip_v4": {
Type: schema.TypeString,
Computed: true,
},
"access_ip_v6": {
Type: schema.TypeString,
Computed: true,
},
"key_pair": {
Type: schema.TypeString,
Optional: true,
ForceNew: true,
Computed: true,
},
"stop_before_destroy": {
Type: schema.TypeBool,
Optional: true,
Default: false,
},
"tenant_id": {
Type: schema.TypeString,
Computed: true,
},
"host_status": {
Type: schema.TypeString,
Computed: true,
},
"host_id": {
Type: schema.TypeString,
Computed: true,
},
"kernel_id": {
Type: schema.TypeString,
Computed: true,
},
"user_id": {
Type: schema.TypeString,
Computed: true,
},
"block_device": {
Type: schema.TypeList,
Optional: true,
Elem: &schema.Resource{
Schema: map[string]*schema.Schema{
"source_type": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"uuid": {
Type: schema.TypeString,
Optional: true,
ForceNew: true,
},
"volume_size": {
Type: schema.TypeInt,
Optional: true,
ForceNew: true,
},
"destination_type": {
Type: schema.TypeString,
Optional: true,
ForceNew: true,
},
"boot_index": {
Type: schema.TypeInt,
Optional: true,
ForceNew: true,
},
"delete_on_termination": {
Type: schema.TypeBool,
Optional: true,
Default: false,
ForceNew: true,
},
"guest_format": {
Type: schema.TypeString,
Optional: true,
ForceNew: true,
},
"device_name": {
Type: schema.TypeString,
Optional: true,
ForceNew: true,
},
"volume_type": {
Type: schema.TypeString,
Optional: true,
ForceNew: true,
},
},
},
},
},
}
}
func bmsTagsCreate(client *golangsdk.ServiceClient, server_id string) error {
createOpts := tags.CreateOpts{
Tag: []string{"__type_baremetal"},
}
_, err := tags.Create(client, server_id, createOpts).Extract()
if err != nil {
return fmt.Errorf("Error creating FlexibleEngine Tags: %s", err)
}
return nil
}
func resourceComputeBMSInstanceV2Create(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
computeClient, err := config.computeV2HWClient(GetRegion(d, config))
if err != nil {
return fmt.Errorf("Error creating FlexibleEngine compute client: %s", err)
}
var createOpts servers.CreateOptsBuilder
// Determines the Image ID using the following rules:
// If an image_id was specified, use it.
// If an image_name was specified, look up the image ID, report if error.
imageId, err := getImageId(computeClient, d)
if err != nil {
return err
}
flavorId, err := getFlavorId(computeClient, d)
if err != nil {
return err
}
// Build a list of networks with the information given upon creation.
// Error out if an invalid network configuration was used.
allInstanceNetworks, err := getAllServerNetwork(d, meta)
if err != nil {
return err
}
// Build a []servers.Network to pass into the create options.
networks := expandBmsInstanceNetworks(allInstanceNetworks)
createOpts = &servers.CreateOpts{
Name: d.Get("name").(string),
ImageRef: imageId,
FlavorRef: flavorId,
SecurityGroups: resourceBmsInstanceSecGroupsV2(d),
AvailabilityZone: d.Get("availability_zone").(string),
Networks: networks,
Metadata: resourceBmsInstanceMetadataV2(d),
AdminPass: d.Get("admin_pass").(string),
UserData: []byte(d.Get("user_data").(string)),
}
if keyName, ok := d.Get("key_pair").(string); ok && keyName != "" {
createOpts = &keypairs.CreateOptsExt{
CreateOptsBuilder: createOpts,
KeyName: keyName,
}
}
if vL, ok := d.GetOk("block_device"); ok {
blockDevices, err := resourceInstanceBlockDevicesV2(d, vL.([]interface{}))
if err != nil {
return err
}
createOpts = &bootfromvolume.CreateOptsExt{
CreateOptsBuilder: createOpts,
BlockDevice: blockDevices,
}
}
log.Printf("[DEBUG] Create Options: %#v", createOpts)
var server *servers.Server
if _, ok := d.GetOk("block_device"); ok {
server, err = bootfromvolume.Create(computeClient, createOpts).Extract()
} else {
server, err = servers.Create(computeClient, createOpts).Extract()
}
if err != nil {
return fmt.Errorf("Error creating FlexibleEngine server: %s", err)
}
log.Printf("[INFO] Instance ID: %s", server.ID)
// Store the ID now
d.SetId(server.ID)
// Set bms sepcific tag
bmsClient, err := config.bmsClient(GetRegion(d, config))
if err != nil {
return fmt.Errorf("Error creating FlexibleEngine bms client: %s", err)
}
err = bmsTagsCreate(bmsClient, d.Id())
if err != nil {
return fmt.Errorf("Error creating FlexibleEngine bms tag: %s", err)
}
// 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: []string{"ACTIVE"},
Refresh: BmsServerV2StateRefreshFunc(computeClient, server.ID),
Timeout: d.Timeout(schema.TimeoutCreate),
Delay: 10 * time.Second,
MinTimeout: 3 * time.Second,
}
_, err = stateConf.WaitForState()
if err != nil {
return fmt.Errorf(
"Error waiting for instance (%s) to become ready: %s",
server.ID, err)
}
return resourceComputeInstanceV2Read(d, meta)
}
func resourceComputeBMSInstanceV2Read(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
computeClient, err := config.computeV2HWClient(GetRegion(d, config))
if err != nil {
return fmt.Errorf("Error creating FlexibleEngine compute client: %s", err)
}
server, err := bms.Get(computeClient, d.Id()).Extract()
if err != nil {
return CheckDeleted(d, err, "server")
}
log.Printf("[DEBUG] Retrieved Server %s: %+v", d.Id(), server)
d.Set("name", server.Name)
// Get the instance network and address information
networks, err := flattenInstanceNetworks(d, meta)
if err != nil {
return err
}
// Determine the best IPv4 and IPv6 addresses to access the instance with
hostv4, hostv6 := getInstanceAccessAddresses(d, networks)
// AccessIPv4/v6 isn't standard in FlexibleEngine, but there have been reports
// of them being used in some environments.
if server.AccessIPv4 != "" && hostv4 == "" {
hostv4 = server.AccessIPv4
}
if server.AccessIPv6 != "" && hostv6 == "" {
hostv6 = server.AccessIPv6
}
d.Set("network", networks)
d.Set("access_ip_v4", hostv4)
d.Set("access_ip_v6", hostv6)
// Determine the best IP address to use for SSH connectivity.
// Prefer IPv4 over IPv6.
var preferredSSHAddress string
if hostv4 != "" {
preferredSSHAddress = hostv4
} else if hostv6 != "" {
preferredSSHAddress = hostv6
}
if preferredSSHAddress != "" {
// Initialize the connection info
d.SetConnInfo(map[string]string{
"type": "ssh",
"host": preferredSSHAddress,
})
}
d.Set("metadata", server.Metadata)
d.Set("flavor_id", server.Flavor.ID)
flavor, err := flavors.Get(computeClient, server.Flavor.ID).Extract()
if err != nil {
return err
}
d.Set("flavor_name", flavor.Name)
// Set the instance's image information appropriately
if err := setImageInformations(computeClient, server, d); err != nil {
return err
}
d.Set("availability_zone", server.AvailabilityZone)
d.Set("tenant_id", server.TenantID)
d.Set("host_status", server.HostStatus)
d.Set("host_id", server.HostID)
d.Set("kernel_id", server.KernelId)
d.Set("user_id", server.UserID)
d.Set("region", GetRegion(d, config))
return nil
}
func resourceComputeBMSInstanceV2Update(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
computeClient, err := config.computeV2HWClient(GetRegion(d, config))
if err != nil {
return fmt.Errorf("Error creating FlexibleEngine compute client: %s", err)
}
var updateOpts servers.UpdateOpts
if d.HasChange("name") {
updateOpts.Name = d.Get("name").(string)
}
if updateOpts != (servers.UpdateOpts{}) {
_, err := servers.Update(computeClient, d.Id(), updateOpts).Extract()
if err != nil {
return fmt.Errorf("Error updating FlexibleEngine server: %s", err)
}
}
if d.HasChange("metadata") {
oldMetadata, newMetadata := d.GetChange("metadata")
var metadataToDelete []string
// Determine if any metadata keys were removed from the configuration.
// Then request those keys to be deleted.
for oldKey := range oldMetadata.(map[string]interface{}) {
var found bool
for newKey := range newMetadata.(map[string]interface{}) {
if oldKey == newKey {
found = true
}
}
if !found {
metadataToDelete = append(metadataToDelete, oldKey)
}
}
for _, key := range metadataToDelete {
err := servers.DeleteMetadatum(computeClient, d.Id(), key).ExtractErr()
if err != nil {
return fmt.Errorf("Error deleting metadata (%s) from server (%s): %s", key, d.Id(), err)
}
}
// Update existing metadata and add any new metadata.
metadataOpts := make(servers.MetadataOpts)
for k, v := range newMetadata.(map[string]interface{}) {
metadataOpts[k] = v.(string)
}
_, err := servers.UpdateMetadata(computeClient, d.Id(), metadataOpts).Extract()
if err != nil {
return fmt.Errorf("Error updating FlexibleEngine server (%s) metadata: %s", d.Id(), err)
}
}
if d.HasChange("security_groups") {
oldSGRaw, newSGRaw := d.GetChange("security_groups")
oldSGSet := oldSGRaw.(*schema.Set)
newSGSet := 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 secgroupsToRemove.List() {
err := secgroups.RemoveServer(computeClient, d.Id(), g.(string)).ExtractErr()
if err != nil && err.Error() != "EOF" {
if _, ok := err.(golangsdk.ErrDefault404); ok {
continue
}
return fmt.Errorf("Error removing security group (%s) from FlexibleEngine server (%s): %s", g, d.Id(), err)
} else {
log.Printf("[DEBUG] Removed security group (%s) from instance (%s)", g, d.Id())
}
}
for _, g := range secgroupsToAdd.List() {
err := secgroups.AddServer(computeClient, d.Id(), g.(string)).ExtractErr()
if err != nil && err.Error() != "EOF" {
return fmt.Errorf("Error adding security group (%s) to FlexibleEngine server (%s): %s", g, d.Id(), err)
}
log.Printf("[DEBUG] Added security group (%s) to instance (%s)", g, 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 FlexibleEngine server (%s): %s", d.Id(), err)
}
}
}
if d.HasChange("flavor_id") || d.HasChange("flavor_name") {
var newFlavorId string
var err error
if d.HasChange("flavor_id") {
newFlavorId = d.Get("flavor_id").(string)
} else {
newFlavorName := d.Get("flavor_name").(string)
newFlavorId, err = flavors.IDFromName(computeClient, newFlavorName)
if err != nil {
return err
}
}
resizeOpts := &servers.ResizeOpts{
FlavorRef: newFlavorId,
}
log.Printf("[DEBUG] Resize configuration: %#v", resizeOpts)
err = servers.Resize(computeClient, d.Id(), resizeOpts).ExtractErr()
if err != nil {
return fmt.Errorf("Error resizing FlexibleEngine 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: []string{"VERIFY_RESIZE"},
Refresh: BmsServerV2StateRefreshFunc(computeClient, d.Id()),
Timeout: d.Timeout(schema.TimeoutUpdate),
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()
if err != nil {
return fmt.Errorf("Error confirming resize of FlexibleEngine server: %s", err)
}
stateConf = &resource.StateChangeConf{
Pending: []string{"VERIFY_RESIZE"},
Target: []string{"ACTIVE"},
Refresh: BmsServerV2StateRefreshFunc(computeClient, d.Id()),
Timeout: d.Timeout(schema.TimeoutUpdate),
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)
}
}
return resourceComputeInstanceV2Read(d, meta)
}
func resourceComputeBMSInstanceV2Delete(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
computeClient, err := config.computeV2HWClient(GetRegion(d, config))
if err != nil {
return fmt.Errorf("Error creating FlexibleEngine compute client: %s", err)
}
if d.Get("stop_before_destroy").(bool) {
err = startstop.Stop(computeClient, d.Id()).ExtractErr()
if err != nil {
log.Printf("[WARN] Error stopping FlexibleEngine instance: %s", err)
} else {
stopStateConf := &resource.StateChangeConf{
Pending: []string{"ACTIVE"},
Target: []string{"SHUTOFF"},
Refresh: BmsServerV2StateRefreshFunc(computeClient, d.Id()),
Timeout: 3 * time.Minute,
Delay: 10 * time.Second,
MinTimeout: 3 * time.Second,
}
log.Printf("[DEBUG] Waiting for instance (%s) to stop", d.Id())
_, err = stopStateConf.WaitForState()
if err != nil {
log.Printf("[WARN] Error waiting for instance (%s) to stop: %s, proceeding to delete", d.Id(), err)
}
}
}
log.Printf("[DEBUG] Deleting FlexibleEngine Instance %s", d.Id())
err = servers.Delete(computeClient, d.Id()).ExtractErr()
if err != nil {
return fmt.Errorf("Error deleting FlexibleEngine server: %s", err)
}
// Wait for the instance to delete before moving on.
log.Printf("[DEBUG] Waiting for instance (%s) to delete", d.Id())
stateConf := &resource.StateChangeConf{
Pending: []string{"ACTIVE", "SHUTOFF"},
Target: []string{"DELETED", "SOFT_DELETED"},
Refresh: BmsServerV2StateRefreshFunc(computeClient, d.Id()),
Timeout: d.Timeout(schema.TimeoutDelete),
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
}
// ServerV2StateRefreshFunc returns a resource.StateRefreshFunc that is used to watch
// an FlexibleEngine instance.
func BmsServerV2StateRefreshFunc(client *golangsdk.ServiceClient, instanceID string) resource.StateRefreshFunc {
return func() (interface{}, string, error) {
s, err := servers.Get(client, instanceID).Extract()
if err != nil {
if _, ok := err.(golangsdk.ErrDefault404); ok {
return s, "DELETED", nil
}
return nil, "", err
}
return s, s.Status, nil
}
}
func resourceBmsInstanceSecGroupsV2(d *schema.ResourceData) []string {
rawSecGroups := d.Get("security_groups").(*schema.Set).List()
secgroups := make([]string, len(rawSecGroups))
for i, raw := range rawSecGroups {
secgroups[i] = raw.(string)
}
return secgroups
}
func resourceBmsInstanceMetadataV2(d *schema.ResourceData) map[string]string {
m := make(map[string]string)
for key, val := range d.Get("metadata").(map[string]interface{}) {
m[key] = val.(string)
}
return m
}
func getImageId(computeClient *golangsdk.ServiceClient, d *schema.ResourceData) (string, error) {
if imageId := d.Get("image_id").(string); imageId != "" {
return imageId, nil
} else {
// try the OS_IMAGE_ID environment variable
if v := os.Getenv("OS_IMAGE_ID"); v != "" {
return v, nil
}
}
imageName := d.Get("image_name").(string)
if imageName == "" {
// try the OS_IMAGE_NAME environment variable
if v := os.Getenv("OS_IMAGE_NAME"); v != "" {
imageName = v
}
}
if imageName != "" {
imageId, err := images.IDFromName(computeClient, imageName)
if err != nil {
return "", err
}
return imageId, nil
}
return "", fmt.Errorf("Neither a image ID, or image name were able to be determined.")
}
func setImageInformations(computeClient *golangsdk.ServiceClient, server *bms.Server, d *schema.ResourceData) error {
imageId := server.Image.ID
if imageId != "" {
d.Set("image_id", imageId)
if image, err := images.Get(computeClient, imageId).Extract(); err != nil {
if _, ok := err.(golangsdk.ErrDefault404); ok {
// If the image name can't be found, set the value to "Image not found".
// The most likely scenario is that the image no longer exists in the Image Service
// but the instance still has a record from when it existed.
d.Set("image_name", "Image not found")
return nil
}
return err
} else {
d.Set("image_name", image.Name)
}
}
return nil
}
func getFlavorId(client *golangsdk.ServiceClient, d *schema.ResourceData) (string, error) {
flavorId := d.Get("flavor_id").(string)
if flavorId != "" {
return flavorId, nil
}
flavorName := d.Get("flavor_name").(string)
return flavors.IDFromName(client, flavorName)
}