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resource_openstack_lb_member_v2.go
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resource_openstack_lb_member_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/pools"
)
func resourceMemberV2() *schema.Resource {
return &schema.Resource{
Create: resourceMemberV2Create,
Read: resourceMemberV2Read,
Update: resourceMemberV2Update,
Delete: resourceMemberV2Delete,
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,
},
"tenant_id": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Computed: true,
ForceNew: true,
},
"address": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"protocol_port": &schema.Schema{
Type: schema.TypeInt,
Required: true,
ForceNew: true,
},
"weight": &schema.Schema{
Type: schema.TypeInt,
Optional: true,
Computed: true,
ValidateFunc: func(v interface{}, k string) (ws []string, errors []error) {
value := v.(int)
if value < 1 {
errors = append(errors, fmt.Errorf(
"Only numbers greater than 0 are supported values for 'weight'"))
}
return
},
},
"subnet_id": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"admin_state_up": &schema.Schema{
Type: schema.TypeBool,
Default: true,
Optional: true,
},
"pool_id": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"id": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Computed: true,
},
},
}
}
func resourceMemberV2Create(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
networkingClient, err := config.networkingV2Client(d.Get("region").(string))
if err != nil {
return fmt.Errorf("Error creating OpenStack networking client: %s", err)
}
adminStateUp := d.Get("admin_state_up").(bool)
createOpts := pools.CreateMemberOpts{
Name: d.Get("name").(string),
TenantID: d.Get("tenant_id").(string),
Address: d.Get("address").(string),
ProtocolPort: d.Get("protocol_port").(int),
Weight: d.Get("weight").(int),
AdminStateUp: &adminStateUp,
}
// Must omit if not set
if v, ok := d.GetOk("subnet_id"); ok {
createOpts.SubnetID = v.(string)
}
poolID := d.Get("pool_id").(string)
log.Printf("[DEBUG] Create Options: %#v", createOpts)
member, err := pools.CreateMember(networkingClient, poolID, createOpts).Extract()
if err != nil {
return fmt.Errorf("Error creating OpenStack LBaaSV2 member: %s", err)
}
log.Printf("[INFO] member ID: %s", member.ID)
log.Printf("[DEBUG] Waiting for Openstack LBaaSV2 member (%s) to become available.", member.ID)
stateConf := &resource.StateChangeConf{
Pending: []string{"PENDING_CREATE"},
Target: []string{"ACTIVE"},
Refresh: waitForMemberActive(networkingClient, poolID, member.ID),
Timeout: 2 * time.Minute,
Delay: 5 * time.Second,
MinTimeout: 3 * time.Second,
}
_, err = stateConf.WaitForState()
if err != nil {
return err
}
d.SetId(member.ID)
return resourceMemberV2Read(d, meta)
}
func resourceMemberV2Read(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
networkingClient, err := config.networkingV2Client(d.Get("region").(string))
if err != nil {
return fmt.Errorf("Error creating OpenStack networking client: %s", err)
}
member, err := pools.GetMember(networkingClient, d.Get("pool_id").(string), d.Id()).Extract()
if err != nil {
return CheckDeleted(d, err, "LBV2 Member")
}
log.Printf("[DEBUG] Retrieved OpenStack LBaaSV2 Member %s: %+v", d.Id(), member)
d.Set("name", member.Name)
d.Set("weight", member.Weight)
d.Set("admin_state_up", member.AdminStateUp)
d.Set("tenant_id", member.TenantID)
d.Set("subnet_id", member.SubnetID)
d.Set("address", member.Address)
d.Set("protocol_port", member.ProtocolPort)
d.Set("id", member.ID)
return nil
}
func resourceMemberV2Update(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
networkingClient, err := config.networkingV2Client(d.Get("region").(string))
if err != nil {
return fmt.Errorf("Error creating OpenStack networking client: %s", err)
}
var updateOpts pools.UpdateMemberOpts
if d.HasChange("name") {
updateOpts.Name = d.Get("name").(string)
}
if d.HasChange("weight") {
updateOpts.Weight = d.Get("weight").(int)
}
if d.HasChange("admin_state_up") {
asu := d.Get("admin_state_up").(bool)
updateOpts.AdminStateUp = &asu
}
log.Printf("[DEBUG] Updating OpenStack LBaaSV2 Member %s with options: %+v", d.Id(), updateOpts)
_, err = pools.UpdateMember(networkingClient, d.Get("pool_id").(string), d.Id(), updateOpts).Extract()
if err != nil {
return fmt.Errorf("Error updating OpenStack LBaaSV2 Member: %s", err)
}
return resourceMemberV2Read(d, meta)
}
func resourceMemberV2Delete(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
networkingClient, err := config.networkingV2Client(d.Get("region").(string))
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: waitForMemberDelete(networkingClient, d.Get("pool_id").(string), d.Id()),
Timeout: 2 * time.Minute,
Delay: 5 * time.Second,
MinTimeout: 3 * time.Second,
}
_, err = stateConf.WaitForState()
if err != nil {
return fmt.Errorf("Error deleting OpenStack LBaaSV2 Member: %s", err)
}
d.SetId("")
return nil
}
func waitForMemberActive(networkingClient *gophercloud.ServiceClient, poolID string, memberID string) resource.StateRefreshFunc {
return func() (interface{}, string, error) {
member, err := pools.GetMember(networkingClient, poolID, memberID).Extract()
if err != nil {
return nil, "", err
}
// The member resource has no Status attribute, so a successful Get is the best we can do
log.Printf("[DEBUG] OpenStack LBaaSV2 Member: %+v", member)
return member, "ACTIVE", nil
}
}
func waitForMemberDelete(networkingClient *gophercloud.ServiceClient, poolID string, memberID string) resource.StateRefreshFunc {
return func() (interface{}, string, error) {
log.Printf("[DEBUG] Attempting to delete OpenStack LBaaSV2 Member %s", memberID)
member, err := pools.GetMember(networkingClient, poolID, memberID).Extract()
if err != nil {
if _, ok := err.(gophercloud.ErrDefault404); ok {
log.Printf("[DEBUG] Successfully deleted OpenStack LBaaSV2 Member %s", memberID)
return member, "DELETED", nil
}
return member, "ACTIVE", err
}
log.Printf("[DEBUG] Openstack LBaaSV2 Member: %+v", member)
err = pools.DeleteMember(networkingClient, poolID, memberID).ExtractErr()
if err != nil {
if _, ok := err.(gophercloud.ErrDefault404); ok {
log.Printf("[DEBUG] Successfully deleted OpenStack LBaaSV2 Member %s", memberID)
return member, "DELETED", nil
}
if errCode, ok := err.(gophercloud.ErrUnexpectedResponseCode); ok {
if errCode.Actual == 409 {
log.Printf("[DEBUG] OpenStack LBaaSV2 Member (%s) is still in use.", memberID)
return member, "ACTIVE", nil
}
}
return member, "ACTIVE", err
}
log.Printf("[DEBUG] OpenStack LBaaSV2 Member %s still active.", memberID)
return member, "ACTIVE", nil
}
}