terraform/builtin/providers/openstack/resource_openstack_lb_vip_v...

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package openstack
import (
"fmt"
"log"
"time"
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"github.com/hashicorp/terraform/helper/resource"
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"github.com/hashicorp/terraform/helper/schema"
"github.com/rackspace/gophercloud"
"github.com/rackspace/gophercloud/openstack/networking/v2/extensions/layer3/floatingips"
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"github.com/rackspace/gophercloud/openstack/networking/v2/extensions/lbaas/vips"
)
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func resourceLBVipV1() *schema.Resource {
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return &schema.Resource{
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Create: resourceLBVipV1Create,
Read: resourceLBVipV1Read,
Update: resourceLBVipV1Update,
Delete: resourceLBVipV1Delete,
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Schema: map[string]*schema.Schema{
"region": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
DefaultFunc: envDefaultFuncAllowMissing("OS_REGION_NAME"),
},
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"name": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: false,
},
"subnet_id": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"protocol": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"port": &schema.Schema{
Type: schema.TypeInt,
Required: true,
ForceNew: true,
},
"pool_id": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: false,
},
"tenant_id": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Computed: true,
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ForceNew: true,
},
"address": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Computed: true,
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ForceNew: true,
},
"description": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Computed: true,
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ForceNew: false,
},
"persistence": &schema.Schema{
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Type: schema.TypeMap,
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Optional: true,
ForceNew: false,
},
"conn_limit": &schema.Schema{
Type: schema.TypeInt,
Optional: true,
Computed: true,
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ForceNew: false,
},
"port_id": &schema.Schema{
Type: schema.TypeString,
Computed: true,
ForceNew: false,
},
"floating_ip": &schema.Schema{
Type: schema.TypeString,
Optional: true,
ForceNew: false,
},
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"admin_state_up": &schema.Schema{
Type: schema.TypeBool,
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Optional: true,
Computed: true,
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ForceNew: false,
},
},
}
}
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func resourceLBVipV1Create(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))
if err != nil {
return fmt.Errorf("Error creating OpenStack networking client: %s", err)
}
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createOpts := vips.CreateOpts{
Name: d.Get("name").(string),
SubnetID: d.Get("subnet_id").(string),
Protocol: d.Get("protocol").(string),
ProtocolPort: d.Get("port").(int),
PoolID: d.Get("pool_id").(string),
TenantID: d.Get("tenant_id").(string),
Address: d.Get("address").(string),
Description: d.Get("description").(string),
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Persistence: resourceVipPersistenceV1(d),
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ConnLimit: gophercloud.MaybeInt(d.Get("conn_limit").(int)),
}
asu := d.Get("admin_state_up").(bool)
createOpts.AdminStateUp = &asu
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log.Printf("[DEBUG] Create Options: %#v", createOpts)
p, err := vips.Create(networkingClient, createOpts).Extract()
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if err != nil {
return fmt.Errorf("Error creating OpenStack LB VIP: %s", err)
}
log.Printf("[INFO] LB VIP ID: %s", p.ID)
log.Printf("[DEBUG] Waiting for OpenStack LB VIP (%s) to become available.", p.ID)
stateConf := &resource.StateChangeConf{
Pending: []string{"PENDING_CREATE"},
Target: []string{"ACTIVE"},
Refresh: waitForLBVIPActive(networkingClient, p.ID),
Timeout: 2 * time.Minute,
Delay: 5 * time.Second,
MinTimeout: 3 * time.Second,
}
_, err = stateConf.WaitForState()
if err != nil {
return err
}
floatingIP := d.Get("floating_ip").(string)
if floatingIP != "" {
lbVipV1AssignFloatingIP(floatingIP, p.PortID, networkingClient)
}
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d.SetId(p.ID)
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return resourceLBVipV1Read(d, meta)
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}
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func resourceLBVipV1Read(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))
if err != nil {
return fmt.Errorf("Error creating OpenStack networking client: %s", err)
}
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p, err := vips.Get(networkingClient, d.Id()).Extract()
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if err != nil {
return CheckDeleted(d, err, "LB VIP")
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}
log.Printf("[DEBUG] Retreived OpenStack LB VIP %s: %+v", d.Id(), p)
d.Set("name", p.Name)
d.Set("subnet_id", p.SubnetID)
d.Set("protocol", p.Protocol)
d.Set("port", p.ProtocolPort)
d.Set("pool_id", p.PoolID)
d.Set("port_id", p.PortID)
d.Set("tenant_id", p.TenantID)
d.Set("address", p.Address)
d.Set("description", p.Description)
d.Set("conn_limit", p.ConnLimit)
d.Set("admin_state_up", p.AdminStateUp)
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return nil
}
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func resourceLBVipV1Update(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))
if err != nil {
return fmt.Errorf("Error creating OpenStack networking client: %s", err)
}
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var updateOpts vips.UpdateOpts
if d.HasChange("name") {
updateOpts.Name = d.Get("name").(string)
}
if d.HasChange("pool_id") {
updateOpts.PoolID = d.Get("pool_id").(string)
}
if d.HasChange("description") {
updateOpts.Description = d.Get("description").(string)
}
if d.HasChange("persistence") {
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updateOpts.Persistence = resourceVipPersistenceV1(d)
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}
if d.HasChange("conn_limit") {
updateOpts.ConnLimit = gophercloud.MaybeInt(d.Get("conn_limit").(int))
}
if d.HasChange("floating_ip") {
portID := d.Get("port_id").(string)
// Searching for a floating IP assigned to the VIP
listOpts := floatingips.ListOpts{
PortID: portID,
}
page, err := floatingips.List(networkingClient, listOpts).AllPages()
if err != nil {
return err
}
fips, err := floatingips.ExtractFloatingIPs(page)
if err != nil {
return err
}
// If a floating IP is found we unassign it
if len(fips) == 1 {
updateOpts := floatingips.UpdateOpts{
PortID: "",
}
if err = floatingips.Update(networkingClient, fips[0].ID, updateOpts).Err; err != nil {
return err
}
}
// Assign the updated floating IP
floatingIP := d.Get("floating_ip").(string)
if floatingIP != "" {
lbVipV1AssignFloatingIP(floatingIP, portID, networkingClient)
}
}
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if d.HasChange("admin_state_up") {
asu := d.Get("admin_state_up").(bool)
updateOpts.AdminStateUp = &asu
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}
log.Printf("[DEBUG] Updating OpenStack LB VIP %s with options: %+v", d.Id(), updateOpts)
_, err = vips.Update(networkingClient, d.Id(), updateOpts).Extract()
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if err != nil {
return fmt.Errorf("Error updating OpenStack LB VIP: %s", err)
}
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return resourceLBVipV1Read(d, meta)
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}
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func resourceLBVipV1Delete(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))
if err != nil {
return fmt.Errorf("Error creating OpenStack networking client: %s", err)
}
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stateConf := &resource.StateChangeConf{
Pending: []string{"ACTIVE"},
Target: []string{"DELETED"},
Refresh: waitForLBVIPDelete(networkingClient, d.Id()),
Timeout: 2 * time.Minute,
Delay: 5 * time.Second,
MinTimeout: 3 * time.Second,
}
_, err = stateConf.WaitForState()
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if err != nil {
return fmt.Errorf("Error deleting OpenStack LB VIP: %s", err)
}
d.SetId("")
return nil
}
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func resourceVipPersistenceV1(d *schema.ResourceData) *vips.SessionPersistence {
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rawP := d.Get("persistence").(interface{})
rawMap := rawP.(map[string]interface{})
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if len(rawMap) != 0 {
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p := vips.SessionPersistence{}
if t, ok := rawMap["type"]; ok {
p.Type = t.(string)
}
if c, ok := rawMap["cookie_name"]; ok {
p.CookieName = c.(string)
}
return &p
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}
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return nil
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}
func lbVipV1AssignFloatingIP(floatingIP, portID string, networkingClient *gophercloud.ServiceClient) error {
log.Printf("[DEBUG] Assigning floating IP %s to VIP %s", floatingIP, portID)
listOpts := floatingips.ListOpts{
FloatingIP: floatingIP,
}
page, err := floatingips.List(networkingClient, listOpts).AllPages()
if err != nil {
return err
}
fips, err := floatingips.ExtractFloatingIPs(page)
if err != nil {
return err
}
if len(fips) != 1 {
return fmt.Errorf("Unable to retrieve floating IP '%s'", floatingIP)
}
updateOpts := floatingips.UpdateOpts{
PortID: portID,
}
if err = floatingips.Update(networkingClient, fips[0].ID, updateOpts).Err; err != nil {
return err
}
return nil
}
func waitForLBVIPActive(networkingClient *gophercloud.ServiceClient, vipId string) resource.StateRefreshFunc {
return func() (interface{}, string, error) {
p, err := vips.Get(networkingClient, vipId).Extract()
if err != nil {
return nil, "", err
}
log.Printf("[DEBUG] OpenStack LB VIP: %+v", p)
if p.Status == "ACTIVE" {
return p, "ACTIVE", nil
}
return p, p.Status, nil
}
}
func waitForLBVIPDelete(networkingClient *gophercloud.ServiceClient, vipId string) resource.StateRefreshFunc {
return func() (interface{}, string, error) {
log.Printf("[DEBUG] Attempting to delete OpenStack LB VIP %s", vipId)
p, err := vips.Get(networkingClient, vipId).Extract()
if err != nil {
errCode, ok := err.(*gophercloud.UnexpectedResponseCodeError)
if !ok {
return p, "ACTIVE", err
}
if errCode.Actual == 404 {
log.Printf("[DEBUG] Successfully deleted OpenStack LB VIP %s", vipId)
return p, "DELETED", nil
}
}
log.Printf("[DEBUG] OpenStack LB VIP: %+v", p)
err = vips.Delete(networkingClient, vipId).ExtractErr()
if err != nil {
errCode, ok := err.(*gophercloud.UnexpectedResponseCodeError)
if !ok {
return p, "ACTIVE", err
}
if errCode.Actual == 404 {
log.Printf("[DEBUG] Successfully deleted OpenStack LB VIP %s", vipId)
return p, "DELETED", nil
}
}
log.Printf("[DEBUG] OpenStack LB VIP %s still active.", vipId)
return p, "ACTIVE", nil
}
}