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

662 lines
19 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/racker/perigee"
"github.com/rackspace/gophercloud"
"github.com/rackspace/gophercloud/openstack/compute/v2/extensions/bootfromvolume"
"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/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"
)
func resourceComputeInstanceV2() *schema.Resource {
return &schema.Resource{
Create: resourceComputeInstanceV2Create,
Read: resourceComputeInstanceV2Read,
Update: resourceComputeInstanceV2Update,
Delete: resourceComputeInstanceV2Delete,
Schema: map[string]*schema.Schema{
"region": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
DefaultFunc: envDefaultFunc("OS_REGION_NAME"),
},
"name": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: false,
},
"image_ref": &schema.Schema{
Type: schema.TypeString,
Optional: true,
ForceNew: false,
DefaultFunc: envDefaultFunc("OS_IMAGE_ID"),
},
"flavor_ref": &schema.Schema{
Type: schema.TypeString,
Optional: true,
ForceNew: false,
DefaultFunc: envDefaultFunc("OS_FLAVOR_ID"),
},
"floating_ip": &schema.Schema{
Type: schema.TypeString,
Optional: 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,
},
"network": &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,
},
"block_device": &schema.Schema{
Type: schema.TypeList,
Optional: true,
ForceNew: true,
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,
},
},
},
},
},
}
}
func resourceComputeInstanceV2Create(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
computeClient, err := config.computeV2Client(d.Get("region").(string))
if err != nil {
return fmt.Errorf("Error creating OpenStack compute client: %s", err)
}
var createOpts servers.CreateOptsBuilder
createOpts = &servers.CreateOpts{
Name: d.Get("name").(string),
ImageRef: d.Get("image_ref").(string),
FlavorRef: d.Get("flavor_ref").(string),
SecurityGroups: resourceInstanceSecGroupsV2(d),
AvailabilityZone: d.Get("availability_zone").(string),
Networks: resourceInstanceNetworksV2(d),
Metadata: resourceInstanceMetadataV2(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{
createOpts,
keyName,
}
}
if blockDeviceRaw, ok := d.Get("block_device").(map[string]interface{}); ok && blockDeviceRaw != nil {
blockDevice := resourceInstanceBlockDeviceV2(d, blockDeviceRaw)
createOpts = &bootfromvolume.CreateOptsExt{
createOpts,
blockDevice,
}
}
log.Printf("[INFO] Requesting instance creation")
server, err := servers.Create(computeClient, 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: ServerV2StateRefreshFunc(computeClient, 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)
}
floatingIP := d.Get("floating_ip").(string)
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)
}
}
return resourceComputeInstanceV2Read(d, meta)
}
func resourceComputeInstanceV2Read(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
computeClient, err := config.computeV2Client(d.Get("region").(string))
if err != nil {
return fmt.Errorf("Error creating OpenStack compute client: %s", err)
}
server, err := servers.Get(computeClient, 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("region", d.Get("region").(string))
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
}
}
}
}
// 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)
d.Set("host", host)
log.Printf("host: %s", host)
// Initialize the connection info
d.SetConnInfo(map[string]string{
"type": "ssh",
"host": host,
})
d.Set("metadata", server.Metadata)
secGrpNum := 0
err = secgroups.ListByServer(computeClient, d.Id()).EachPage(func(page pagination.Page) (bool, error) {
secGrpList, err := secgroups.ExtractSecurityGroups(page)
if err != nil {
return false, fmt.Errorf("Error getting security groups for OpenStack server: %s", err)
}
for _, sg := range secGrpList {
d.Set(fmt.Sprintf("security_groups.%d", secGrpNum), sg.Name)
secGrpNum++
}
return true, nil
})
d.Set("security_groups.#", secGrpNum)
newFlavor, ok := server.Flavor["id"].(string)
if !ok {
return fmt.Errorf("Error setting OpenStack server's flavor: %v", server.Flavor)
}
d.Set("flavor_ref", newFlavor)
return nil
}
func resourceComputeInstanceV2Update(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
computeClient, err := config.computeV2Client(d.Get("region").(string))
if err != nil {
return fmt.Errorf("Error creating OpenStack compute client: %s", err)
}
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)
}
if updateOpts != (servers.UpdateOpts{}) {
_, err := servers.Update(computeClient, 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(computeClient, 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(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)
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("flavor_ref") {
resizeOpts := &servers.ResizeOpts{
FlavorRef: d.Get("flavor_ref").(string),
}
err := servers.Resize(computeClient, 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: ServerV2StateRefreshFunc(computeClient, 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(computeClient, 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: ServerV2StateRefreshFunc(computeClient, 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 resourceComputeInstanceV2Read(d, meta)
}
func resourceComputeInstanceV2Delete(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
computeClient, err := config.computeV2Client(d.Get("region").(string))
if err != nil {
return fmt.Errorf("Error creating OpenStack compute client: %s", err)
}
err = servers.Delete(computeClient, 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{
Pending: []string{"ACTIVE"},
Target: "DELETED",
Refresh: ServerV2StateRefreshFunc(computeClient, 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
}
// ServerV2StateRefreshFunc returns a resource.StateRefreshFunc that is used to watch
// an OpenStack instance.
func ServerV2StateRefreshFunc(client *gophercloud.ServiceClient, instanceID string) resource.StateRefreshFunc {
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
}
return nil, "", err
}
return s, s.Status, nil
}
}
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
}
func resourceInstanceNetworksV2(d *schema.ResourceData) []servers.Network {
rawNetworks := d.Get("network").([]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 resourceInstanceMetadataV2(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 resourceInstanceBlockDeviceV2(d *schema.ResourceData, bd map[string]interface{}) []bootfromvolume.BlockDevice {
sourceType := bootfromvolume.SourceType(bd["source_type"].(string))
bfvOpts := []bootfromvolume.BlockDevice{
bootfromvolume.BlockDevice{
UUID: bd["uuid"].(string),
SourceType: sourceType,
VolumeSize: bd["volume_size"].(int),
DestinationType: bd["destination_type"].(string),
BootIndex: bd["boot_index"].(int),
},
}
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
}