402 lines
10 KiB
Go
402 lines
10 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/gophercloud/gophercloud"
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"github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/layer3/floatingips"
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"github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/lbaas/vips"
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"github.com/hashicorp/terraform/helper/resource"
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"github.com/hashicorp/terraform/helper/schema"
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)
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func resourceLBVipV1() *schema.Resource {
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return &schema.Resource{
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Create: resourceLBVipV1Create,
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Read: resourceLBVipV1Read,
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Update: resourceLBVipV1Update,
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Delete: resourceLBVipV1Delete,
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Importer: &schema.ResourceImporter{
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State: schema.ImportStatePassthrough,
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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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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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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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"name": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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ForceNew: false,
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},
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"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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"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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},
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"port": &schema.Schema{
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Type: schema.TypeInt,
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Required: true,
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ForceNew: true,
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},
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"pool_id": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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ForceNew: false,
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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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"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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"description": &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: false,
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},
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"persistence": &schema.Schema{
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Type: schema.TypeMap,
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Optional: true,
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ForceNew: false,
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},
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"conn_limit": &schema.Schema{
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Type: schema.TypeInt,
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Optional: true,
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Computed: true,
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ForceNew: false,
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},
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"port_id": &schema.Schema{
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Type: schema.TypeString,
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Computed: true,
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ForceNew: false,
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},
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"floating_ip": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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ForceNew: false,
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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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Computed: true,
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ForceNew: false,
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},
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},
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}
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}
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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(GetRegion(d))
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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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createOpts := vips.CreateOpts{
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Name: d.Get("name").(string),
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SubnetID: d.Get("subnet_id").(string),
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Protocol: d.Get("protocol").(string),
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ProtocolPort: d.Get("port").(int),
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PoolID: d.Get("pool_id").(string),
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TenantID: d.Get("tenant_id").(string),
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Address: d.Get("address").(string),
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Description: d.Get("description").(string),
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Persistence: resourceVipPersistenceV1(d),
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ConnLimit: gophercloud.MaybeInt(d.Get("conn_limit").(int)),
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}
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asu := d.Get("admin_state_up").(bool)
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createOpts.AdminStateUp = &asu
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log.Printf("[DEBUG] Create Options: %#v", createOpts)
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p, err := vips.Create(networkingClient, createOpts).Extract()
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if err != nil {
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return fmt.Errorf("Error creating OpenStack LB VIP: %s", err)
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}
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log.Printf("[INFO] LB VIP ID: %s", p.ID)
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log.Printf("[DEBUG] Waiting for OpenStack LB VIP (%s) to become available.", p.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: waitForLBVIPActive(networkingClient, p.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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floatingIP := d.Get("floating_ip").(string)
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if floatingIP != "" {
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lbVipV1AssignFloatingIP(floatingIP, p.PortID, networkingClient)
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}
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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(GetRegion(d))
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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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p, err := vips.Get(networkingClient, d.Id()).Extract()
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if err != nil {
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return CheckDeleted(d, err, "LB VIP")
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}
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log.Printf("[DEBUG] Retrieved OpenStack LB VIP %s: %+v", d.Id(), p)
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d.Set("name", p.Name)
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d.Set("subnet_id", p.SubnetID)
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d.Set("protocol", p.Protocol)
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d.Set("port", p.ProtocolPort)
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d.Set("pool_id", p.PoolID)
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d.Set("port_id", p.PortID)
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d.Set("tenant_id", p.TenantID)
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d.Set("address", p.Address)
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d.Set("description", p.Description)
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d.Set("conn_limit", p.ConnLimit)
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d.Set("admin_state_up", p.AdminStateUp)
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// Set the persistence method being used
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persistence := make(map[string]interface{})
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if p.Persistence.Type != "" {
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persistence["type"] = p.Persistence.Type
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}
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if p.Persistence.CookieName != "" {
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persistence["cookie_name"] = p.Persistence.CookieName
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}
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d.Set("persistence", persistence)
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d.Set("region", GetRegion(d))
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return nil
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}
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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(GetRegion(d))
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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 vips.UpdateOpts
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if d.HasChange("name") {
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v := d.Get("name").(string)
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updateOpts.Name = &v
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}
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if d.HasChange("pool_id") {
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v := d.Get("pool_id").(string)
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updateOpts.PoolID = &v
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}
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if d.HasChange("description") {
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v := d.Get("description").(string)
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updateOpts.Description = &v
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}
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if d.HasChange("conn_limit") {
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updateOpts.ConnLimit = gophercloud.MaybeInt(d.Get("conn_limit").(int))
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}
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if d.HasChange("floating_ip") {
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portID := d.Get("port_id").(string)
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// Searching for a floating IP assigned to the VIP
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listOpts := floatingips.ListOpts{
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PortID: portID,
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}
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page, err := floatingips.List(networkingClient, listOpts).AllPages()
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if err != nil {
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return err
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}
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fips, err := floatingips.ExtractFloatingIPs(page)
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if err != nil {
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return err
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}
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// If a floating IP is found we unassign it
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if len(fips) == 1 {
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portID := ""
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updateOpts := floatingips.UpdateOpts{
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PortID: &portID,
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}
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if err = floatingips.Update(networkingClient, fips[0].ID, updateOpts).Err; err != nil {
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return err
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}
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}
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// Assign the updated floating IP
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floatingIP := d.Get("floating_ip").(string)
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if floatingIP != "" {
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lbVipV1AssignFloatingIP(floatingIP, portID, networkingClient)
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}
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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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// Persistence has to be included, even if it hasn't changed.
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updateOpts.Persistence = resourceVipPersistenceV1(d)
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log.Printf("[DEBUG] Updating OpenStack LB VIP %s with options: %+v", d.Id(), updateOpts)
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_, err = vips.Update(networkingClient, d.Id(), updateOpts).Extract()
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if err != nil {
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return fmt.Errorf("Error updating OpenStack LB VIP: %s", err)
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}
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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(GetRegion(d))
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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: waitForLBVIPDelete(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 LB VIP: %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 resourceVipPersistenceV1(d *schema.ResourceData) *vips.SessionPersistence {
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rawP := d.Get("persistence").(interface{})
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rawMap := rawP.(map[string]interface{})
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if len(rawMap) != 0 {
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p := vips.SessionPersistence{}
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if t, ok := rawMap["type"]; ok {
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p.Type = t.(string)
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}
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if c, ok := rawMap["cookie_name"]; ok {
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p.CookieName = c.(string)
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}
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return &p
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}
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return nil
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}
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func lbVipV1AssignFloatingIP(floatingIP, portID string, networkingClient *gophercloud.ServiceClient) error {
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log.Printf("[DEBUG] Assigning floating IP %s to VIP %s", floatingIP, portID)
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listOpts := floatingips.ListOpts{
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FloatingIP: floatingIP,
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}
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page, err := floatingips.List(networkingClient, listOpts).AllPages()
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if err != nil {
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return err
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}
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fips, err := floatingips.ExtractFloatingIPs(page)
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if err != nil {
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return err
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}
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if len(fips) != 1 {
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return fmt.Errorf("Unable to retrieve floating IP '%s'", floatingIP)
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}
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updateOpts := floatingips.UpdateOpts{
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PortID: &portID,
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}
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if err = floatingips.Update(networkingClient, fips[0].ID, updateOpts).Err; 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 waitForLBVIPActive(networkingClient *gophercloud.ServiceClient, vipId string) resource.StateRefreshFunc {
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return func() (interface{}, string, error) {
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p, err := vips.Get(networkingClient, vipId).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 LB VIP: %+v", p)
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if p.Status == "ACTIVE" {
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return p, "ACTIVE", nil
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}
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return p, p.Status, nil
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}
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}
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func waitForLBVIPDelete(networkingClient *gophercloud.ServiceClient, vipId string) resource.StateRefreshFunc {
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return func() (interface{}, string, error) {
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log.Printf("[DEBUG] Attempting to delete OpenStack LB VIP %s", vipId)
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p, err := vips.Get(networkingClient, vipId).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 LB VIP %s", vipId)
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return p, "DELETED", nil
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}
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return p, "ACTIVE", err
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}
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log.Printf("[DEBUG] OpenStack LB VIP: %+v", p)
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err = vips.Delete(networkingClient, vipId).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 LB VIP %s", vipId)
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return p, "DELETED", nil
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}
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return p, "ACTIVE", err
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}
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log.Printf("[DEBUG] OpenStack LB VIP %s still active.", vipId)
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return p, "ACTIVE", nil
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}
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}
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