377 lines
9.9 KiB
Go
377 lines
9.9 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/gophercloud/gophercloud/openstack/networking/v2/extensions/lbaas_v2/listeners"
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"github.com/gophercloud/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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Importer: &schema.ResourceImporter{
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State: resourcePoolV2Import,
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},
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Timeouts: &schema.ResourceTimeout{
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Create: schema.DefaultTimeout(10 * time.Minute),
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Update: schema.DefaultTimeout(10 * time.Minute),
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Delete: schema.DefaultTimeout(10 * time.Minute),
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},
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Schema: map[string]*schema.Schema{
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"region": {
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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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"tenant_id": {
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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": {
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Type: schema.TypeString,
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Optional: true,
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},
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"description": {
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Type: schema.TypeString,
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Optional: true,
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},
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"protocol": {
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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 != "TCP" && value != "HTTP" && value != "HTTPS" && value != "PROXY" {
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errors = append(errors, fmt.Errorf(
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"Only 'TCP', 'HTTP','HTTPS', and 'PROXY' 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": {
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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": {
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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": {
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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": {
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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": {
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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": {
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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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},
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},
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},
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"admin_state_up": {
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Type: schema.TypeBool,
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Default: true,
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Optional: 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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lbClient, err := chooseLBV2Client(d, config)
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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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lbID := d.Get("loadbalancer_id").(string)
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listenerID := d.Get("listener_id").(string)
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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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}
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if persistence.Type == "APP_COOKIE" {
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if pV["cookie_name"].(string) == "" {
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return fmt.Errorf(
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"Persistence cookie_name needs to be set if using 'APP_COOKIE' persistence type.")
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} else {
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persistence.CookieName = pV["cookie_name"].(string)
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}
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} else {
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if pV["cookie_name"].(string) != "" {
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return fmt.Errorf(
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"Persistence cookie_name can only be set if using 'APP_COOKIE' persistence type.")
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}
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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: lbID,
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ListenerID: listenerID,
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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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timeout := d.Timeout(schema.TimeoutCreate)
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// Wait for Listener or LoadBalancer to become active before continuing
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if listenerID != "" {
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listener, err := listeners.Get(lbClient, listenerID).Extract()
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if err != nil {
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return err
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}
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err = waitForLBV2Listener(lbClient, listener, "ACTIVE", lbPendingStatuses, timeout)
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} else {
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err = waitForLBV2LoadBalancer(lbClient, lbID, "ACTIVE", lbPendingStatuses, timeout)
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}
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if err != nil {
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return err
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}
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log.Printf("[DEBUG] Attempting to create pool")
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var pool *pools.Pool
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err = resource.Retry(timeout, func() *resource.RetryError {
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pool, err = pools.Create(lbClient, createOpts).Extract()
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if err != nil {
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return checkForRetryableError(err)
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}
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return nil
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})
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if err != nil {
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return fmt.Errorf("Error creating pool: %s", err)
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}
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// Pool was successfully created
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// Wait for pool to become active before continuing
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err = waitForLBV2Pool(lbClient, pool, "ACTIVE", lbPendingStatuses, timeout)
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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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lbClient, err := chooseLBV2Client(d, config)
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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(lbClient, d.Id()).Extract()
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if err != nil {
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return CheckDeleted(d, err, "pool")
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}
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log.Printf("[DEBUG] Retrieved 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("persistence", pool.Persistence)
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d.Set("region", GetRegion(d, config))
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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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lbClient, err := chooseLBV2Client(d, config)
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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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name := d.Get("name").(string)
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updateOpts.Name = &name
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}
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if d.HasChange("description") {
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description := d.Get("description").(string)
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updateOpts.Description = &description
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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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timeout := d.Timeout(schema.TimeoutUpdate)
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// Get a clean copy of the pool.
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pool, err := pools.Get(lbClient, d.Id()).Extract()
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if err != nil {
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return fmt.Errorf("Unable to retrieve pool %s: %s", d.Id(), err)
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}
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// Wait for pool to become active before continuing
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err = waitForLBV2Pool(lbClient, pool, "ACTIVE", lbPendingStatuses, timeout)
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if err != nil {
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return err
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}
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log.Printf("[DEBUG] Updating pool %s with options: %#v", d.Id(), updateOpts)
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err = resource.Retry(timeout, func() *resource.RetryError {
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_, err = pools.Update(lbClient, d.Id(), updateOpts).Extract()
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if err != nil {
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return checkForRetryableError(err)
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}
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return nil
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})
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if err != nil {
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return fmt.Errorf("Unable to update pool %s: %s", d.Id(), err)
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}
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// Wait for pool to become active before continuing
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err = waitForLBV2Pool(lbClient, pool, "ACTIVE", lbPendingStatuses, timeout)
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if err != nil {
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return 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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lbClient, err := chooseLBV2Client(d, config)
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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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timeout := d.Timeout(schema.TimeoutDelete)
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// Get a clean copy of the pool.
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pool, err := pools.Get(lbClient, d.Id()).Extract()
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if err != nil {
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return CheckDeleted(d, err, "Unable to retrieve pool")
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}
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log.Printf("[DEBUG] Attempting to delete pool %s", d.Id())
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err = resource.Retry(timeout, func() *resource.RetryError {
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err = pools.Delete(lbClient, d.Id()).ExtractErr()
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if err != nil {
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return checkForRetryableError(err)
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}
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return nil
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})
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if err != nil {
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return CheckDeleted(d, err, "Error deleting pool")
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}
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// Wait for Pool to delete
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err = waitForLBV2Pool(lbClient, pool, "DELETED", lbPendingDeleteStatuses, timeout)
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if err != nil {
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return err
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}
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return nil
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}
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func resourcePoolV2Import(d *schema.ResourceData, meta interface{}) ([]*schema.ResourceData, error) {
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config := meta.(*Config)
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lbClient, err := chooseLBV2Client(d, config)
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if err != nil {
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return nil, fmt.Errorf("Error creating OpenStack networking client: %s", err)
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}
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pool, err := pools.Get(lbClient, d.Id()).Extract()
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if err != nil {
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return nil, CheckDeleted(d, err, "pool")
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}
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log.Printf("[DEBUG] Retrieved pool %s during the import: %#v", d.Id(), pool)
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if len(pool.Listeners) > 0 && pool.Listeners[0].ID != "" {
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d.Set("listener_id", pool.Listeners[0].ID)
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} else if len(pool.Loadbalancers) > 0 && pool.Loadbalancers[0].ID != "" {
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d.Set("loadbalancer_id", pool.Loadbalancers[0].ID)
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} else {
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return nil, fmt.Errorf("Unable to detect pool's Listener ID or Load Balancer ID")
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}
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return []*schema.ResourceData{d}, nil
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}
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