2017-06-12 16:30:22 +02:00
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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"
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"github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/lbaas_v2/loadbalancers"
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"github.com/gophercloud/gophercloud/openstack/networking/v2/ports"
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)
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func resourceLoadBalancerV2() *schema.Resource {
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return &schema.Resource{
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Create: resourceLoadBalancerV2Create,
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Read: resourceLoadBalancerV2Read,
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Update: resourceLoadBalancerV2Update,
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Delete: resourceLoadBalancerV2Delete,
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Timeouts: &schema.ResourceTimeout{
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Create: schema.DefaultTimeout(20 * 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": &schema.Schema{
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2017-06-16 22:31:31 +02:00
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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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2017-06-12 16:30:22 +02:00
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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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"vip_subnet_id": &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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"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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"vip_address": &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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"vip_port_id": &schema.Schema{
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Type: schema.TypeString,
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Computed: true,
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},
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"admin_state_up": &schema.Schema{
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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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"flavor": &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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"provider": &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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Deprecated: "Please use loadbalancer_provider",
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},
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"loadbalancer_provider": &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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"security_group_ids": &schema.Schema{
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Type: schema.TypeSet,
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Optional: true,
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Computed: true,
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Elem: &schema.Schema{Type: schema.TypeString},
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Set: schema.HashString,
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},
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},
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}
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}
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func resourceLoadBalancerV2Create(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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2017-06-16 22:31:31 +02:00
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networkingClient, err := config.networkingV2Client(GetRegion(d, config))
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2017-06-12 16:30:22 +02:00
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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 lbProvider string
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if v, ok := d.GetOk("loadbalancer_provider"); ok {
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lbProvider = v.(string)
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}
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adminStateUp := d.Get("admin_state_up").(bool)
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createOpts := loadbalancers.CreateOpts{
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Name: d.Get("name").(string),
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Description: d.Get("description").(string),
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VipSubnetID: d.Get("vip_subnet_id").(string),
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TenantID: d.Get("tenant_id").(string),
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VipAddress: d.Get("vip_address").(string),
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AdminStateUp: &adminStateUp,
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Flavor: d.Get("flavor").(string),
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Provider: lbProvider,
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}
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log.Printf("[DEBUG] Create Options: %#v", createOpts)
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lb, err := loadbalancers.Create(networkingClient, createOpts).Extract()
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if err != nil {
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return fmt.Errorf("Error creating OpenStack LoadBalancer: %s", err)
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}
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log.Printf("[INFO] LoadBalancer ID: %s", lb.ID)
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log.Printf("[DEBUG] Waiting for Openstack LoadBalancer (%s) to become available.", lb.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: waitForLoadBalancerActive(networkingClient, lb.ID),
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Timeout: d.Timeout(schema.TimeoutCreate),
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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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// Once the loadbalancer has been created, apply any requested security groups
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// to the port that was created behind the scenes.
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if err := resourceLoadBalancerV2SecurityGroups(networkingClient, lb.VipPortID, d); err != nil {
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return err
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}
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// If all has been successful, set the ID on the resource
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d.SetId(lb.ID)
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return resourceLoadBalancerV2Read(d, meta)
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}
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func resourceLoadBalancerV2Read(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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2017-06-16 22:31:31 +02:00
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networkingClient, err := config.networkingV2Client(GetRegion(d, config))
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2017-06-12 16:30:22 +02:00
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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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lb, err := loadbalancers.Get(networkingClient, d.Id()).Extract()
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if err != nil {
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return CheckDeleted(d, err, "LoadBalancerV2")
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}
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log.Printf("[DEBUG] Retrieved OpenStack LBaaSV2 LoadBalancer %s: %+v", d.Id(), lb)
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d.Set("name", lb.Name)
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d.Set("description", lb.Description)
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d.Set("vip_subnet_id", lb.VipSubnetID)
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d.Set("tenant_id", lb.TenantID)
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d.Set("vip_address", lb.VipAddress)
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d.Set("vip_port_id", lb.VipPortID)
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d.Set("admin_state_up", lb.AdminStateUp)
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d.Set("flavor", lb.Flavor)
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d.Set("loadbalancer_provider", lb.Provider)
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2017-06-16 22:31:31 +02:00
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d.Set("region", GetRegion(d, config))
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2017-06-12 16:30:22 +02:00
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// Get any security groups on the VIP Port
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if lb.VipPortID != "" {
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port, err := ports.Get(networkingClient, lb.VipPortID).Extract()
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if err != nil {
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return err
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}
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d.Set("security_group_ids", port.SecurityGroups)
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}
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return nil
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}
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func resourceLoadBalancerV2Update(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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2017-06-16 22:31:31 +02:00
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networkingClient, err := config.networkingV2Client(GetRegion(d, config))
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2017-06-12 16:30:22 +02:00
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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 loadbalancers.UpdateOpts
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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 LoadBalancer %s with options: %+v", d.Id(), updateOpts)
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_, err = loadbalancers.Update(networkingClient, d.Id(), updateOpts).Extract()
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if err != nil {
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return fmt.Errorf("Error updating OpenStack LBaaSV2 LoadBalancer: %s", err)
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}
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// Security Groups get updated separately
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if d.HasChange("security_group_ids") {
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vipPortID := d.Get("vip_port_id").(string)
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if err := resourceLoadBalancerV2SecurityGroups(networkingClient, vipPortID, d); err != nil {
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return err
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}
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}
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return resourceLoadBalancerV2Read(d, meta)
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}
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func resourceLoadBalancerV2Delete(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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2017-06-16 22:31:31 +02:00
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networkingClient, err := config.networkingV2Client(GetRegion(d, config))
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2017-06-12 16:30:22 +02:00
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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: waitForLoadBalancerDelete(networkingClient, d.Id()),
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Timeout: d.Timeout(schema.TimeoutDelete),
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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 LoadBalancer: %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 resourceLoadBalancerV2SecurityGroups(networkingClient *gophercloud.ServiceClient, vipPortID string, d *schema.ResourceData) error {
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if vipPortID != "" {
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if _, ok := d.GetOk("security_group_ids"); ok {
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updateOpts := ports.UpdateOpts{
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SecurityGroups: resourcePortSecurityGroupsV2(d),
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}
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log.Printf("[DEBUG] Adding security groups to OpenStack LoadBalancer "+
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"VIP Port (%s): %#v", vipPortID, updateOpts)
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_, err := ports.Update(networkingClient, vipPortID, updateOpts).Extract()
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if err != nil {
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return err
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}
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}
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}
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return nil
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}
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func waitForLoadBalancerActive(networkingClient *gophercloud.ServiceClient, lbID string) resource.StateRefreshFunc {
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return func() (interface{}, string, error) {
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lb, err := loadbalancers.Get(networkingClient, lbID).Extract()
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if err != nil {
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return nil, "", err
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}
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log.Printf("[DEBUG] OpenStack LBaaSV2 LoadBalancer: %+v", lb)
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if lb.ProvisioningStatus == "ACTIVE" {
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return lb, "ACTIVE", nil
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}
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return lb, lb.ProvisioningStatus, nil
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}
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}
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func waitForLoadBalancerDelete(networkingClient *gophercloud.ServiceClient, lbID string) resource.StateRefreshFunc {
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return func() (interface{}, string, error) {
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log.Printf("[DEBUG] Attempting to delete OpenStack LBaaSV2 LoadBalancer %s", lbID)
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lb, err := loadbalancers.Get(networkingClient, lbID).Extract()
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if err != nil {
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if _, ok := err.(gophercloud.ErrDefault404); ok {
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log.Printf("[DEBUG] Successfully deleted OpenStack LBaaSV2 LoadBalancer %s", lbID)
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return lb, "DELETED", nil
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}
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return lb, "ACTIVE", err
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}
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log.Printf("[DEBUG] Openstack LoadBalancerV2: %+v", lb)
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err = loadbalancers.Delete(networkingClient, lbID).ExtractErr()
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if err != nil {
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if _, ok := err.(gophercloud.ErrDefault404); ok {
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log.Printf("[DEBUG] Successfully deleted OpenStack LBaaSV2 LoadBalancer %s", lbID)
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return lb, "DELETED", nil
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}
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if errCode, ok := err.(gophercloud.ErrUnexpectedResponseCode); ok {
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if errCode.Actual == 409 {
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log.Printf("[DEBUG] OpenStack LBaaSV2 LoadBalancer (%s) is still in use.", lbID)
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return lb, "ACTIVE", nil
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}
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}
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return lb, "ACTIVE", err
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}
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log.Printf("[DEBUG] OpenStack LBaaSV2 LoadBalancer (%s) still active.", lbID)
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return lb, "ACTIVE", nil
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}
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}
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