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

448 lines
12 KiB
Go

package openstack
import (
"fmt"
"log"
"time"
"github.com/hashicorp/terraform/helper/hashcode"
"github.com/hashicorp/terraform/helper/resource"
"github.com/hashicorp/terraform/helper/schema"
"github.com/rackspace/gophercloud"
"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/servers"
"github.com/rackspace/gophercloud/pagination"
)
func resourceComputeInstance() *schema.Resource {
return &schema.Resource{
Create: resourceComputeInstanceCreate,
Read: resourceComputeInstanceRead,
Update: resourceComputeInstanceUpdate,
Delete: resourceComputeInstanceDelete,
Schema: map[string]*schema.Schema{
"name": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: false,
},
"image_ref": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: false,
},
"flavor_ref": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: false,
},
"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,
},
"networks": &schema.Schema{
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,
ForceNew: false,
},
"config_drive": &schema.Schema{
Type: schema.TypeBool,
Optional: true,
ForceNew: true,
},
"admin_pass": &schema.Schema{
Type: schema.TypeString,
Optional: true,
ForceNew: false,
},
"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,
},
"key_pair": &schema.Schema{
Type: schema.TypeString,
Optional: true,
ForceNew: true,
},
},
}
}
func resourceComputeInstanceCreate(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
osClient := config.computeV2Client
var createOpts servers.CreateOptsBuilder
serverCreateOpts := &servers.CreateOpts{
Name: d.Get("name").(string),
ImageRef: d.Get("image_ref").(string),
FlavorRef: d.Get("flavor_ref").(string),
SecurityGroups: resourceInstanceSecGroups(d),
AvailabilityZone: d.Get("availability_zone").(string),
Networks: resourceInstanceNetworks(d),
Metadata: resourceInstanceMetadata(d),
ConfigDrive: d.Get("config_drive").(bool),
AdminPass: d.Get("admin_pass").(string),
}
if keyName, ok := d.Get("key_pair").(string); ok && keyName != "" {
createOpts = &keypairs.CreateOptsExt{
serverCreateOpts,
keyName,
}
}
log.Printf("[INFO] Requesting instance creation")
server, err := servers.Create(osClient, createOpts).Extract()
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",
Refresh: ServerStateRefreshFunc(osClient, server.ID),
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 become ready: %s",
server.ID, err)
}
return resourceComputeInstanceRead(d, meta)
}
func resourceComputeInstanceRead(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
osClient := config.computeV2Client
server, err := servers.Get(osClient, d.Id()).Extract()
if err != nil {
return fmt.Errorf("Error retrieving OpenStack server: %s", err)
}
log.Printf("[DEBUG] Retreived Server %s: %+v", d.Id(), server)
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)
}
}
}
}
log.Printf("host: %s", host)
// Initialize the connection info
d.SetConnInfo(map[string]string{
"type": "ssh",
"host": host,
})
d.Set("metadata", server.Metadata)
var currentSG []string
err = secgroups.ListByServer(osClient, d.Id()).EachPage(func(page pagination.Page) (bool, error) {
secGrpList, err := secgroups.ExtractSecurityGroups(page)
if err != nil {
return false, fmt.Errorf("Error setting security groups for OpenStack server: %s", err)
}
for _, sg := range secGrpList {
currentSG = append(currentSG, sg.Name)
}
return true, nil
})
d.Set("security_groups", currentSG)
newFlavor, ok := server.Flavor["id"].(string)
if !ok {
return fmt.Errorf("Error setting OpenStack server's flavor: %v", newFlavor)
}
d.Set("flavor_ref", newFlavor)
return nil
}
func resourceComputeInstanceUpdate(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
osClient := config.computeV2Client
var updateOpts servers.UpdateOpts
// If the Metadata has changed, then update that.
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)
}
// If there's nothing to update, don't waste an HTTP call.
if updateOpts != (servers.UpdateOpts{}) {
log.Printf("[DEBUG] Updating Server %s with options: %+v", d.Id(), updateOpts)
_, err := servers.Update(osClient, d.Id(), updateOpts).Extract()
if err != nil {
return fmt.Errorf("Error updating OpenStack server: %s", err)
}
}
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(osClient, d.Id(), metadataOpts).Extract()
if err != nil {
return fmt.Errorf("Error updating OpenStack server (%s) metadata: %s", d.Id(), err)
}
}
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(osClient, 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(osClient, 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(osClient, 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("flavor_ref") {
resizeOpts := &servers.ResizeOpts{
FlavorRef: d.Get("flavor_ref").(string),
}
err := servers.Resize(osClient, d.Id(), resizeOpts).ExtractErr()
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",
Refresh: ServerStateRefreshFunc(osClient, d.Id()),
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(osClient, d.Id()).ExtractErr()
if err != nil {
return fmt.Errorf("Error confirming resize of OpenStack server: %s", err)
}
stateConf = &resource.StateChangeConf{
Pending: []string{"VERIFY_RESIZE"},
Target: "ACTIVE",
Refresh: ServerStateRefreshFunc(osClient, d.Id()),
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)
}
}
return resourceComputeInstanceRead(d, meta)
}
func resourceComputeInstanceDelete(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
osClient := config.computeV2Client
err := servers.Delete(osClient, d.Id()).ExtractErr()
if err != nil {
return fmt.Errorf("Error deleting OpenStack 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{
Target: "",
Refresh: ServerStateRefreshFunc(osClient, d.Id()),
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
}
// ServerStateRefreshFunc returns a resource.StateRefreshFunc that is used to watch
// an OpenStack instance.
func ServerStateRefreshFunc(client *gophercloud.ServiceClient, instanceID string) resource.StateRefreshFunc {
return func() (interface{}, string, error) {
s, err := servers.Get(client, instanceID).Extract()
if err != nil {
return nil, "", err
}
return s, s.Status, nil
}
}
func resourceInstanceSecGroups(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
}
func resourceInstanceNetworks(d *schema.ResourceData) []servers.Network {
rawNetworks := d.Get("networks").([]interface{})
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
}
func resourceInstanceMetadata(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
}