package openstack import ( "fmt" "log" "time" "github.com/hashicorp/terraform/helper/resource" "github.com/hashicorp/terraform/helper/schema" "github.com/gophercloud/gophercloud" "github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/lbaas_v2/pools" ) func resourcePoolV2() *schema.Resource { return &schema.Resource{ Create: resourcePoolV2Create, Read: resourcePoolV2Read, Update: resourcePoolV2Update, Delete: resourcePoolV2Delete, Schema: map[string]*schema.Schema{ "region": &schema.Schema{ Type: schema.TypeString, Required: true, ForceNew: true, DefaultFunc: schema.EnvDefaultFunc("OS_REGION_NAME", ""), }, "tenant_id": &schema.Schema{ Type: schema.TypeString, Optional: true, Computed: true, ForceNew: true, }, "name": &schema.Schema{ Type: schema.TypeString, Optional: true, }, "description": &schema.Schema{ Type: schema.TypeString, Optional: true, }, "protocol": &schema.Schema{ Type: schema.TypeString, Required: true, ForceNew: true, ValidateFunc: func(v interface{}, k string) (ws []string, errors []error) { value := v.(string) if value != "TCP" && value != "HTTP" && value != "HTTPS" { errors = append(errors, fmt.Errorf( "Only 'TCP', 'HTTP', and 'HTTPS' are supported values for 'protocol'")) } return }, }, // One of loadbalancer_id or listener_id must be provided "loadbalancer_id": &schema.Schema{ Type: schema.TypeString, Optional: true, ForceNew: true, }, // One of loadbalancer_id or listener_id must be provided "listener_id": &schema.Schema{ Type: schema.TypeString, Optional: true, ForceNew: true, }, "lb_method": &schema.Schema{ Type: schema.TypeString, Required: true, ValidateFunc: func(v interface{}, k string) (ws []string, errors []error) { value := v.(string) if value != "ROUND_ROBIN" && value != "LEAST_CONNECTIONS" && value != "SOURCE_IP" { errors = append(errors, fmt.Errorf( "Only 'ROUND_ROBIN', 'LEAST_CONNECTIONS', and 'SOURCE_IP' are supported values for 'lb_method'")) } return }, }, "persistence": &schema.Schema{ Type: schema.TypeList, Optional: true, ForceNew: true, Elem: &schema.Resource{ Schema: map[string]*schema.Schema{ "type": &schema.Schema{ Type: schema.TypeString, Required: true, ForceNew: true, ValidateFunc: func(v interface{}, k string) (ws []string, errors []error) { value := v.(string) if value != "SOURCE_IP" && value != "HTTP_COOKIE" && value != "APP_COOKIE" { errors = append(errors, fmt.Errorf( "Only 'SOURCE_IP', 'HTTP_COOKIE', and 'APP_COOKIE' are supported values for 'persistence'")) } return }, }, "cookie_name": &schema.Schema{ Type: schema.TypeString, Required: true, ForceNew: true, }, }, }, }, "admin_state_up": &schema.Schema{ Type: schema.TypeBool, Default: true, Optional: true, }, "id": &schema.Schema{ Type: schema.TypeString, Optional: true, Computed: true, }, }, } } func resourcePoolV2Create(d *schema.ResourceData, meta interface{}) error { config := meta.(*Config) networkingClient, err := config.networkingV2Client(GetRegion(d)) if err != nil { return fmt.Errorf("Error creating OpenStack networking client: %s", err) } adminStateUp := d.Get("admin_state_up").(bool) var persistence pools.SessionPersistence if p, ok := d.GetOk("persistence"); ok { pV := (p.([]interface{}))[0].(map[string]interface{}) persistence = pools.SessionPersistence{ Type: pV["type"].(string), CookieName: pV["cookie_name"].(string), } } createOpts := pools.CreateOpts{ TenantID: d.Get("tenant_id").(string), Name: d.Get("name").(string), Description: d.Get("description").(string), Protocol: pools.Protocol(d.Get("protocol").(string)), LoadbalancerID: d.Get("loadbalancer_id").(string), ListenerID: d.Get("listener_id").(string), LBMethod: pools.LBMethod(d.Get("lb_method").(string)), AdminStateUp: &adminStateUp, } // Must omit if not set if persistence != (pools.SessionPersistence{}) { createOpts.Persistence = &persistence } log.Printf("[DEBUG] Create Options: %#v", createOpts) pool, err := pools.Create(networkingClient, createOpts).Extract() if err != nil { return fmt.Errorf("Error creating OpenStack LBaaSV2 pool: %s", err) } log.Printf("[INFO] pool ID: %s", pool.ID) log.Printf("[DEBUG] Waiting for Openstack LBaaSV2 pool (%s) to become available.", pool.ID) stateConf := &resource.StateChangeConf{ Pending: []string{"PENDING_CREATE"}, Target: []string{"ACTIVE"}, Refresh: waitForPoolActive(networkingClient, pool.ID), Timeout: 2 * time.Minute, Delay: 5 * time.Second, MinTimeout: 3 * time.Second, } _, err = stateConf.WaitForState() if err != nil { return err } d.SetId(pool.ID) return resourcePoolV2Read(d, meta) } func resourcePoolV2Read(d *schema.ResourceData, meta interface{}) error { config := meta.(*Config) networkingClient, err := config.networkingV2Client(GetRegion(d)) if err != nil { return fmt.Errorf("Error creating OpenStack networking client: %s", err) } pool, err := pools.Get(networkingClient, d.Id()).Extract() if err != nil { return CheckDeleted(d, err, "LBV2 Pool") } log.Printf("[DEBUG] Retrieved OpenStack LBaaSV2 Pool %s: %+v", d.Id(), pool) d.Set("lb_method", pool.LBMethod) d.Set("protocol", pool.Protocol) d.Set("description", pool.Description) d.Set("tenant_id", pool.TenantID) d.Set("admin_state_up", pool.AdminStateUp) d.Set("name", pool.Name) d.Set("id", pool.ID) d.Set("persistence", pool.Persistence) return nil } func resourcePoolV2Update(d *schema.ResourceData, meta interface{}) error { config := meta.(*Config) networkingClient, err := config.networkingV2Client(GetRegion(d)) if err != nil { return fmt.Errorf("Error creating OpenStack networking client: %s", err) } var updateOpts pools.UpdateOpts if d.HasChange("lb_method") { updateOpts.LBMethod = pools.LBMethod(d.Get("lb_method").(string)) } if d.HasChange("name") { updateOpts.Name = d.Get("name").(string) } if d.HasChange("description") { updateOpts.Description = d.Get("description").(string) } if d.HasChange("admin_state_up") { asu := d.Get("admin_state_up").(bool) updateOpts.AdminStateUp = &asu } log.Printf("[DEBUG] Updating OpenStack LBaaSV2 Pool %s with options: %+v", d.Id(), updateOpts) _, err = pools.Update(networkingClient, d.Id(), updateOpts).Extract() if err != nil { return fmt.Errorf("Error updating OpenStack LBaaSV2 Pool: %s", err) } return resourcePoolV2Read(d, meta) } func resourcePoolV2Delete(d *schema.ResourceData, meta interface{}) error { config := meta.(*Config) networkingClient, err := config.networkingV2Client(GetRegion(d)) if err != nil { return fmt.Errorf("Error creating OpenStack networking client: %s", err) } stateConf := &resource.StateChangeConf{ Pending: []string{"ACTIVE", "PENDING_DELETE"}, Target: []string{"DELETED"}, Refresh: waitForPoolDelete(networkingClient, d.Id()), Timeout: 2 * time.Minute, Delay: 5 * time.Second, MinTimeout: 3 * time.Second, } _, err = stateConf.WaitForState() if err != nil { return fmt.Errorf("Error deleting OpenStack LBaaSV2 Pool: %s", err) } d.SetId("") return nil } func waitForPoolActive(networkingClient *gophercloud.ServiceClient, poolID string) resource.StateRefreshFunc { return func() (interface{}, string, error) { pool, err := pools.Get(networkingClient, poolID).Extract() if err != nil { return nil, "", err } // The pool resource has no Status attribute, so a successful Get is the best we can do log.Printf("[DEBUG] OpenStack LBaaSV2 Pool: %+v", pool) return pool, "ACTIVE", nil } } func waitForPoolDelete(networkingClient *gophercloud.ServiceClient, poolID string) resource.StateRefreshFunc { return func() (interface{}, string, error) { log.Printf("[DEBUG] Attempting to delete OpenStack LBaaSV2 Pool %s", poolID) pool, err := pools.Get(networkingClient, poolID).Extract() if err != nil { if _, ok := err.(gophercloud.ErrDefault404); ok { log.Printf("[DEBUG] Successfully deleted OpenStack LBaaSV2 Pool %s", poolID) return pool, "DELETED", nil } return pool, "ACTIVE", err } log.Printf("[DEBUG] Openstack LBaaSV2 Pool: %+v", pool) err = pools.Delete(networkingClient, poolID).ExtractErr() if err != nil { if _, ok := err.(gophercloud.ErrDefault404); ok { log.Printf("[DEBUG] Successfully deleted OpenStack LBaaSV2 Pool %s", poolID) return pool, "DELETED", nil } if errCode, ok := err.(gophercloud.ErrUnexpectedResponseCode); ok { if errCode.Actual == 409 { log.Printf("[DEBUG] OpenStack LBaaSV2 Pool (%s) is still in use.", poolID) return pool, "ACTIVE", nil } } return pool, "ACTIVE", err } log.Printf("[DEBUG] OpenStack LBaaSV2 Pool %s still active.", poolID) return pool, "ACTIVE", nil } }