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resource_openstack_lb_loadbalancer_v2.go
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resource_openstack_lb_loadbalancer_v2.go
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package openstack
import (
"fmt"
"log"
"time"
"github.com/hashicorp/terraform/helper/resource"
"github.com/hashicorp/terraform/helper/schema"
"github.com/gophercloud/gophercloud"
"github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/lbaas_v2/loadbalancers"
"github.com/gophercloud/gophercloud/openstack/networking/v2/ports"
)
func resourceLoadBalancerV2() *schema.Resource {
return &schema.Resource{
Create: resourceLoadBalancerV2Create,
Read: resourceLoadBalancerV2Read,
Update: resourceLoadBalancerV2Update,
Delete: resourceLoadBalancerV2Delete,
Timeouts: &schema.ResourceTimeout{
Create: schema.DefaultTimeout(20 * time.Minute),
Delete: schema.DefaultTimeout(10 * time.Minute),
},
Schema: map[string]*schema.Schema{
"region": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
DefaultFunc: schema.EnvDefaultFunc("OS_REGION_NAME", ""),
},
"name": &schema.Schema{
Type: schema.TypeString,
Optional: true,
},
"description": &schema.Schema{
Type: schema.TypeString,
Optional: true,
},
"vip_subnet_id": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"tenant_id": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Computed: true,
ForceNew: true,
},
"vip_address": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Computed: true,
ForceNew: true,
},
"vip_port_id": &schema.Schema{
Type: schema.TypeString,
Computed: true,
},
"admin_state_up": &schema.Schema{
Type: schema.TypeBool,
Default: true,
Optional: true,
},
"flavor": &schema.Schema{
Type: schema.TypeString,
Optional: true,
ForceNew: true,
},
"provider": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Computed: true,
ForceNew: true,
Deprecated: "Please use loadbalancer_provider",
},
"loadbalancer_provider": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Computed: true,
ForceNew: true,
},
"security_group_ids": &schema.Schema{
Type: schema.TypeSet,
Optional: true,
Computed: true,
Elem: &schema.Schema{Type: schema.TypeString},
Set: schema.HashString,
},
},
}
}
func resourceLoadBalancerV2Create(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
networkingClient, err := config.networkingV2Client(GetRegion(d))
if err != nil {
return fmt.Errorf("Error creating OpenStack networking client: %s", err)
}
var lbProvider string
if v, ok := d.GetOk("loadbalancer_provider"); ok {
lbProvider = v.(string)
}
adminStateUp := d.Get("admin_state_up").(bool)
createOpts := loadbalancers.CreateOpts{
Name: d.Get("name").(string),
Description: d.Get("description").(string),
VipSubnetID: d.Get("vip_subnet_id").(string),
TenantID: d.Get("tenant_id").(string),
VipAddress: d.Get("vip_address").(string),
AdminStateUp: &adminStateUp,
Flavor: d.Get("flavor").(string),
Provider: lbProvider,
}
log.Printf("[DEBUG] Create Options: %#v", createOpts)
lb, err := loadbalancers.Create(networkingClient, createOpts).Extract()
if err != nil {
return fmt.Errorf("Error creating OpenStack LoadBalancer: %s", err)
}
log.Printf("[INFO] LoadBalancer ID: %s", lb.ID)
log.Printf("[DEBUG] Waiting for Openstack LoadBalancer (%s) to become available.", lb.ID)
stateConf := &resource.StateChangeConf{
Pending: []string{"PENDING_CREATE"},
Target: []string{"ACTIVE"},
Refresh: waitForLoadBalancerActive(networkingClient, lb.ID),
Timeout: d.Timeout(schema.TimeoutCreate),
Delay: 5 * time.Second,
MinTimeout: 3 * time.Second,
}
_, err = stateConf.WaitForState()
if err != nil {
return err
}
// Once the loadbalancer has been created, apply any requested security groups
// to the port that was created behind the scenes.
if err := resourceLoadBalancerV2SecurityGroups(networkingClient, lb.VipPortID, d); err != nil {
return err
}
// If all has been successful, set the ID on the resource
d.SetId(lb.ID)
return resourceLoadBalancerV2Read(d, meta)
}
func resourceLoadBalancerV2Read(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
networkingClient, err := config.networkingV2Client(GetRegion(d))
if err != nil {
return fmt.Errorf("Error creating OpenStack networking client: %s", err)
}
lb, err := loadbalancers.Get(networkingClient, d.Id()).Extract()
if err != nil {
return CheckDeleted(d, err, "LoadBalancerV2")
}
log.Printf("[DEBUG] Retrieved OpenStack LBaaSV2 LoadBalancer %s: %+v", d.Id(), lb)
d.Set("name", lb.Name)
d.Set("description", lb.Description)
d.Set("vip_subnet_id", lb.VipSubnetID)
d.Set("tenant_id", lb.TenantID)
d.Set("vip_address", lb.VipAddress)
d.Set("vip_port_id", lb.VipPortID)
d.Set("admin_state_up", lb.AdminStateUp)
d.Set("flavor", lb.Flavor)
d.Set("loadbalancer_provider", lb.Provider)
// Get any security groups on the VIP Port
if lb.VipPortID != "" {
port, err := ports.Get(networkingClient, lb.VipPortID).Extract()
if err != nil {
return err
}
d.Set("security_group_ids", port.SecurityGroups)
}
return nil
}
func resourceLoadBalancerV2Update(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
networkingClient, err := config.networkingV2Client(GetRegion(d))
if err != nil {
return fmt.Errorf("Error creating OpenStack networking client: %s", err)
}
var updateOpts loadbalancers.UpdateOpts
if d.HasChange("name") {
updateOpts.Name = d.Get("name").(string)
}
if d.HasChange("description") {
updateOpts.Description = d.Get("description").(string)
}
if d.HasChange("admin_state_up") {
asu := d.Get("admin_state_up").(bool)
updateOpts.AdminStateUp = &asu
}
log.Printf("[DEBUG] Updating OpenStack LBaaSV2 LoadBalancer %s with options: %+v", d.Id(), updateOpts)
_, err = loadbalancers.Update(networkingClient, d.Id(), updateOpts).Extract()
if err != nil {
return fmt.Errorf("Error updating OpenStack LBaaSV2 LoadBalancer: %s", err)
}
// Security Groups get updated separately
if d.HasChange("security_group_ids") {
vipPortID := d.Get("vip_port_id").(string)
if err := resourceLoadBalancerV2SecurityGroups(networkingClient, vipPortID, d); err != nil {
return err
}
}
return resourceLoadBalancerV2Read(d, meta)
}
func resourceLoadBalancerV2Delete(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
networkingClient, err := config.networkingV2Client(GetRegion(d))
if err != nil {
return fmt.Errorf("Error creating OpenStack networking client: %s", err)
}
stateConf := &resource.StateChangeConf{
Pending: []string{"ACTIVE", "PENDING_DELETE"},
Target: []string{"DELETED"},
Refresh: waitForLoadBalancerDelete(networkingClient, d.Id()),
Timeout: d.Timeout(schema.TimeoutDelete),
Delay: 5 * time.Second,
MinTimeout: 3 * time.Second,
}
_, err = stateConf.WaitForState()
if err != nil {
return fmt.Errorf("Error deleting OpenStack LBaaSV2 LoadBalancer: %s", err)
}
d.SetId("")
return nil
}
func resourceLoadBalancerV2SecurityGroups(networkingClient *gophercloud.ServiceClient, vipPortID string, d *schema.ResourceData) error {
if vipPortID != "" {
if _, ok := d.GetOk("security_group_ids"); ok {
updateOpts := ports.UpdateOpts{
SecurityGroups: resourcePortSecurityGroupsV2(d),
}
log.Printf("[DEBUG] Adding security groups to OpenStack LoadBalancer "+
"VIP Port (%s): %#v", vipPortID, updateOpts)
_, err := ports.Update(networkingClient, vipPortID, updateOpts).Extract()
if err != nil {
return err
}
}
}
return nil
}
func waitForLoadBalancerActive(networkingClient *gophercloud.ServiceClient, lbID string) resource.StateRefreshFunc {
return func() (interface{}, string, error) {
lb, err := loadbalancers.Get(networkingClient, lbID).Extract()
if err != nil {
return nil, "", err
}
log.Printf("[DEBUG] OpenStack LBaaSV2 LoadBalancer: %+v", lb)
if lb.ProvisioningStatus == "ACTIVE" {
return lb, "ACTIVE", nil
}
return lb, lb.ProvisioningStatus, nil
}
}
func waitForLoadBalancerDelete(networkingClient *gophercloud.ServiceClient, lbID string) resource.StateRefreshFunc {
return func() (interface{}, string, error) {
log.Printf("[DEBUG] Attempting to delete OpenStack LBaaSV2 LoadBalancer %s", lbID)
lb, err := loadbalancers.Get(networkingClient, lbID).Extract()
if err != nil {
if _, ok := err.(gophercloud.ErrDefault404); ok {
log.Printf("[DEBUG] Successfully deleted OpenStack LBaaSV2 LoadBalancer %s", lbID)
return lb, "DELETED", nil
}
return lb, "ACTIVE", err
}
log.Printf("[DEBUG] Openstack LoadBalancerV2: %+v", lb)
err = loadbalancers.Delete(networkingClient, lbID).ExtractErr()
if err != nil {
if _, ok := err.(gophercloud.ErrDefault404); ok {
log.Printf("[DEBUG] Successfully deleted OpenStack LBaaSV2 LoadBalancer %s", lbID)
return lb, "DELETED", nil
}
if errCode, ok := err.(gophercloud.ErrUnexpectedResponseCode); ok {
if errCode.Actual == 409 {
log.Printf("[DEBUG] OpenStack LBaaSV2 LoadBalancer (%s) is still in use.", lbID)
return lb, "ACTIVE", nil
}
}
return lb, "ACTIVE", err
}
log.Printf("[DEBUG] OpenStack LBaaSV2 LoadBalancer (%s) still active.", lbID)
return lb, "ACTIVE", nil
}
}