320 lines
9.0 KiB
Go
320 lines
9.0 KiB
Go
package openstack
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import (
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"fmt"
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"log"
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"time"
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"github.com/hashicorp/terraform/helper/resource"
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"github.com/hashicorp/terraform/helper/schema"
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"github.com/rackspace/gophercloud"
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"github.com/rackspace/gophercloud/openstack/networking/v2/extensions/lbaas_v2/pools"
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)
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func resourcePoolV2() *schema.Resource {
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return &schema.Resource{
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Create: resourcePoolV2Create,
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Read: resourcePoolV2Read,
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Update: resourcePoolV2Update,
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Delete: resourcePoolV2Delete,
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Schema: map[string]*schema.Schema{
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"region": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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ForceNew: true,
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DefaultFunc: schema.EnvDefaultFunc("OS_REGION_NAME", ""),
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},
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"tenant_id": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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Computed: true,
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ForceNew: true,
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},
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"name": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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},
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"description": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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},
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"protocol": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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ForceNew: true,
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ValidateFunc: func(v interface{}, k string) (ws []string, errors []error) {
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value := v.(string)
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if value != "lTCP" && value != "HTTP" && value != "HTTPS" {
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errors = append(errors, fmt.Errorf(
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"Only 'TCP', 'HTTP', and 'HTTPS' are supported values for 'protocol'"))
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}
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return
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},
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},
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// One of loadbalancer_id or listener_id must be provided
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"loadbalancer_id": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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ForceNew: true,
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},
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// One of loadbalancer_id or listener_id must be provided
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"listener_id": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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ForceNew: true,
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},
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"lb_method": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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ValidateFunc: func(v interface{}, k string) (ws []string, errors []error) {
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value := v.(string)
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if value != "ROUND_ROBIN" && value != "LEAST_CONNECTIONS" && value != "SOURCE_IP" {
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errors = append(errors, fmt.Errorf(
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"Only 'ROUND_ROBIN', 'LEAST_CONNECTIONS', and 'SOURCE_IP' are supported values for 'lb_method'"))
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}
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return
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},
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},
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"persistence": &schema.Schema{
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Type: schema.TypeList,
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Optional: true,
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ForceNew: true,
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Elem: &schema.Resource{
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Schema: map[string]*schema.Schema{
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"type": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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ForceNew: true,
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ValidateFunc: func(v interface{}, k string) (ws []string, errors []error) {
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value := v.(string)
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if value != "SOURCE_IP" && value != "HTTP_COOKIE" && value != "APP_COOKIE" {
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errors = append(errors, fmt.Errorf(
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"Only 'SOURCE_IP', 'HTTP_COOKIE', and 'APP_COOKIE' are supported values for 'persistence'"))
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}
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return
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},
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},
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"cookie_name": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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ForceNew: true,
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},
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},
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},
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},
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"admin_state_up": &schema.Schema{
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Type: schema.TypeBool,
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Optional: true,
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},
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"id": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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Computed: true,
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},
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},
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}
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}
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func resourcePoolV2Create(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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networkingClient, err := config.networkingV2Client(d.Get("region").(string))
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if err != nil {
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return fmt.Errorf("Error creating OpenStack networking client: %s", err)
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}
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adminStateUp := d.Get("admin_state_up").(bool)
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var persistence pools.SessionPersistence
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if p, ok := d.GetOk("persistence"); ok {
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pV := (p.([]interface{}))[0].(map[string]interface{})
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persistence = pools.SessionPersistence{
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Type: pV["type"].(string),
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CookieName: pV["cookie_name"].(string),
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}
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}
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createOpts := pools.CreateOpts{
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TenantID: d.Get("tenant_id").(string),
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Name: d.Get("name").(string),
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Description: d.Get("description").(string),
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Protocol: pools.Protocol(d.Get("protocol").(string)),
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LoadbalancerID: d.Get("loadbalancer_id").(string),
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ListenerID: d.Get("listener_id").(string),
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LBMethod: pools.LBMethod(d.Get("lb_method").(string)),
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AdminStateUp: &adminStateUp,
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}
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// Must omit if not set
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if persistence != (pools.SessionPersistence{}) {
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createOpts.Persistence = &persistence
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}
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log.Printf("[DEBUG] Create Options: %#v", createOpts)
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pool, err := pools.Create(networkingClient, createOpts).Extract()
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if err != nil {
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return fmt.Errorf("Error creating OpenStack LBaaSV2 pool: %s", err)
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}
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log.Printf("[INFO] pool ID: %s", pool.ID)
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log.Printf("[DEBUG] Waiting for Openstack LBaaSV2 pool (%s) to become available.", pool.ID)
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stateConf := &resource.StateChangeConf{
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Pending: []string{"PENDING_CREATE"},
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Target: []string{"ACTIVE"},
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Refresh: waitForPoolActive(networkingClient, pool.ID),
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Timeout: 2 * time.Minute,
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Delay: 5 * time.Second,
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MinTimeout: 3 * time.Second,
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}
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_, err = stateConf.WaitForState()
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if err != nil {
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return err
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}
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d.SetId(pool.ID)
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return resourcePoolV2Read(d, meta)
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}
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func resourcePoolV2Read(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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networkingClient, err := config.networkingV2Client(d.Get("region").(string))
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if err != nil {
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return fmt.Errorf("Error creating OpenStack networking client: %s", err)
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}
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pool, err := pools.Get(networkingClient, d.Id()).Extract()
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if err != nil {
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return CheckDeleted(d, err, "LBV2 Pool")
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}
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log.Printf("[DEBUG] Retreived OpenStack LBaaSV2 Pool %s: %+v", d.Id(), pool)
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d.Set("lb_method", pool.LBMethod)
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d.Set("protocol", pool.Protocol)
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d.Set("description", pool.Description)
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d.Set("tenant_id", pool.TenantID)
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d.Set("admin_state_up", pool.AdminStateUp)
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d.Set("name", pool.Name)
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d.Set("id", pool.ID)
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d.Set("persistence", pool.Persistence)
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return nil
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}
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func resourcePoolV2Update(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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networkingClient, err := config.networkingV2Client(d.Get("region").(string))
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if err != nil {
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return fmt.Errorf("Error creating OpenStack networking client: %s", err)
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}
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var updateOpts pools.UpdateOpts
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if d.HasChange("lb_method") {
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updateOpts.LBMethod = pools.LBMethod(d.Get("lb_method").(string))
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}
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if d.HasChange("name") {
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updateOpts.Name = d.Get("name").(string)
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}
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if d.HasChange("description") {
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updateOpts.Description = d.Get("description").(string)
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}
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if d.HasChange("admin_state_up") {
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asu := d.Get("admin_state_up").(bool)
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updateOpts.AdminStateUp = &asu
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}
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log.Printf("[DEBUG] Updating OpenStack LBaaSV2 Pool %s with options: %+v", d.Id(), updateOpts)
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_, err = pools.Update(networkingClient, d.Id(), updateOpts).Extract()
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if err != nil {
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return fmt.Errorf("Error updating OpenStack LBaaSV2 Pool: %s", err)
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}
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return resourcePoolV2Read(d, meta)
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}
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func resourcePoolV2Delete(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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networkingClient, err := config.networkingV2Client(d.Get("region").(string))
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if err != nil {
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return fmt.Errorf("Error creating OpenStack networking client: %s", err)
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}
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stateConf := &resource.StateChangeConf{
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Pending: []string{"ACTIVE", "PENDING_DELETE"},
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Target: []string{"DELETED"},
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Refresh: waitForPoolDelete(networkingClient, d.Id()),
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Timeout: 2 * time.Minute,
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Delay: 5 * time.Second,
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MinTimeout: 3 * time.Second,
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}
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_, err = stateConf.WaitForState()
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if err != nil {
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return fmt.Errorf("Error deleting OpenStack LBaaSV2 Pool: %s", err)
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}
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d.SetId("")
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return nil
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}
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func waitForPoolActive(networkingClient *gophercloud.ServiceClient, poolID string) resource.StateRefreshFunc {
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return func() (interface{}, string, error) {
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pool, err := pools.Get(networkingClient, poolID).Extract()
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if err != nil {
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return nil, "", err
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}
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// The pool resource has no Status attribute, so a successful Get is the best we can do
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log.Printf("[DEBUG] OpenStack LBaaSV2 Pool: %+v", pool)
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return pool, "ACTIVE", nil
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}
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}
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func waitForPoolDelete(networkingClient *gophercloud.ServiceClient, poolID string) resource.StateRefreshFunc {
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return func() (interface{}, string, error) {
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log.Printf("[DEBUG] Attempting to delete OpenStack LBaaSV2 Pool %s", poolID)
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pool, err := pools.Get(networkingClient, poolID).Extract()
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if err != nil {
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errCode, ok := err.(*gophercloud.UnexpectedResponseCodeError)
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if !ok {
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return pool, "ACTIVE", err
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}
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if errCode.Actual == 404 {
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log.Printf("[DEBUG] Successfully deleted OpenStack LBaaSV2 Pool %s", poolID)
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return pool, "DELETED", nil
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}
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}
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log.Printf("[DEBUG] Openstack LBaaSV2 Pool: %+v", pool)
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err = pools.Delete(networkingClient, poolID).ExtractErr()
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if err != nil {
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errCode, ok := err.(*gophercloud.UnexpectedResponseCodeError)
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if !ok {
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return pool, "ACTIVE", err
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}
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if errCode.Actual == 404 {
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log.Printf("[DEBUG] Successfully deleted OpenStack LBaaSV2 Pool %s", poolID)
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return pool, "DELETED", nil
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}
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}
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log.Printf("[DEBUG] OpenStack LBaaSV2 Pool %s still active.", poolID)
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return pool, "ACTIVE", nil
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}
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}
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