resource_ibm_is_lb_pool_member.go

package ibm

import (
	"fmt"
	"log"
	"strings"
	"time"

	"github.com/IBM/vpc-go-sdk/vpcclassicv1"
	"github.com/IBM/vpc-go-sdk/vpcv1"
	"github.com/hashicorp/terraform-plugin-sdk/helper/resource"
	"github.com/hashicorp/terraform-plugin-sdk/helper/schema"
)

const (
	isLBPoolID                       = "pool"
	isLBPoolMemberPort               = "port"
	isLBPoolMemberTargetAddress      = "target_address"
	isLBPoolMemberWeight             = "weight"
	isLBPoolMemberProvisioningStatus = "provisioning_status"
	isLBPoolMemberHealth             = "health"
	isLBPoolMemberHref               = "href"
	isLBPoolMemberDeletePending      = "delete_pending"
	isLBPoolMemberDeleted            = "done"
	isLBPoolMemberActive             = "active"
	isLBPoolUpdating                 = "updating"
)

func resourceIBMISLBPoolMember() *schema.Resource {
	return &schema.Resource{
		Create:   resourceIBMISLBPoolMemberCreate,
		Read:     resourceIBMISLBPoolMemberRead,
		Update:   resourceIBMISLBPoolMemberUpdate,
		Delete:   resourceIBMISLBPoolMemberDelete,
		Exists:   resourceIBMISLBPoolMemberExists,
		Importer: &schema.ResourceImporter{},

		Timeouts: &schema.ResourceTimeout{
			Create: schema.DefaultTimeout(10 * time.Minute),
			Update: schema.DefaultTimeout(10 * time.Minute),
			Delete: schema.DefaultTimeout(10 * time.Minute),
		},

		Schema: map[string]*schema.Schema{
			isLBPoolID: {
				Type:     schema.TypeString,
				Required: true,
				ForceNew: true,
				DiffSuppressFunc: func(k, o, n string, d *schema.ResourceData) bool {
					if o == "" {
						return false
					}
					// if state file entry and tf file entry matches
					if strings.Compare(n, o) == 0 {
						return true
					}

					if strings.Contains(n, "/") {
						new := strings.Split(n, "/")
						if strings.Compare(new[1], o) == 0 {
							return true
						}
					}

					return false
				},
				Description: "Loadblancer Poold ID",
			},

			isLBID: {
				Type:        schema.TypeString,
				Required:    true,
				ForceNew:    true,
				Description: "Load balancer ID",
			},

			isLBPoolMemberPort: {
				Type:        schema.TypeInt,
				Required:    true,
				Description: "Load Balancer Pool port",
			},

			isLBPoolMemberTargetAddress: {
				Type:        schema.TypeString,
				Required:    true,
				Description: "Load balancer pool member target address",
			},

			isLBPoolMemberWeight: {
				Type:        schema.TypeInt,
				Optional:    true,
				Computed:    true,
				Description: "Load balcner pool member weight",
			},

			isLBPoolMemberProvisioningStatus: {
				Type:        schema.TypeString,
				Computed:    true,
				Description: "Load balancer Pool member provisioning status",
			},

			isLBPoolMemberHealth: {
				Type:        schema.TypeString,
				Computed:    true,
				Description: "LB Pool member health",
			},

			isLBPoolMemberHref: {
				Type:        schema.TypeString,
				Computed:    true,
				Description: "LB pool member Href value",
			},
		},
	}
}

func resourceIBMISLBPoolMemberCreate(d *schema.ResourceData, meta interface{}) error {
	userDetails, err := meta.(ClientSession).BluemixUserDetails()
	if err != nil {
		return err
	}
	log.Printf("[DEBUG] LB Pool create")
	lbPoolID, err := getPoolId(d.Get(isLBPoolID).(string))
	if err != nil {
		return err
	}

	lbID := d.Get(isLBID).(string)
	port := d.Get(isLBPoolMemberPort).(int)
	port64 := int64(port)
	targetAddress := d.Get(isLBPoolMemberTargetAddress).(string)

	var weight int64
	if w, ok := d.GetOk(isLBPoolMemberWeight); ok {
		weight = int64(w.(int))
	}
	isLBPoolMemberKey := "load_balancer_pool_member_key_" + lbID + lbPoolID
	ibmMutexKV.Lock(isLBPoolMemberKey)
	defer ibmMutexKV.Unlock(isLBPoolMemberKey)

	if userDetails.generation == 1 {
		err := classiclbpMemberCreate(d, meta, lbID, lbPoolID, targetAddress, port64, weight)
		if err != nil {
			return err
		}
	} else {
		err := lbpMemberCreate(d, meta, lbID, lbPoolID, targetAddress, port64, weight)
		if err != nil {
			return err
		}
	}

	return resourceIBMISLBPoolMemberRead(d, meta)
}

func classiclbpMemberCreate(d *schema.ResourceData, meta interface{}, lbID, lbPoolID, targetAddress string, port, weight int64) error {
	sess, err := classicVpcClient(meta)
	if err != nil {
		return err
	}
	_, err = isWaitForClassicLBPoolActive(sess, lbID, lbPoolID, d.Timeout(schema.TimeoutCreate))
	if err != nil {
		return fmt.Errorf(
			"Error checking for load balancer pool (%s) is active: %s", lbPoolID, err)
	}

	_, err = isWaitForClassicLBAvailable(sess, lbID, d.Timeout(schema.TimeoutCreate))
	if err != nil {
		return fmt.Errorf(
			"Error checking for load balancer (%s) is active: %s", lbID, err)
	}

	options := &vpcclassicv1.CreateLoadBalancerPoolMemberOptions{
		LoadBalancerID: &lbID,
		PoolID:         &lbPoolID,
		Port:           &port,
		Target: &vpcclassicv1.LoadBalancerPoolMemberTargetPrototype{
			Address: &targetAddress,
		},
	}
	if weight > int64(0) {
		options.Weight = &weight
	}
	lbPoolMember, response, err := sess.CreateLoadBalancerPoolMember(options)
	if err != nil {
		return fmt.Errorf("[DEBUG] lbpool member create err: %s\n%s", err, response)
	}

	d.SetId(fmt.Sprintf("%s/%s/%s", lbID, lbPoolID, *lbPoolMember.ID))
	log.Printf("[INFO] lbpool member : %s", *lbPoolMember.ID)

	_, err = isWaitForClassicLBPoolMemberAvailable(sess, lbID, lbPoolID, *lbPoolMember.ID, d.Timeout(schema.TimeoutCreate))
	if err != nil {
		return err
	}

	_, err = isWaitForClassicLBPoolActive(sess, lbID, lbPoolID, d.Timeout(schema.TimeoutCreate))
	if err != nil {
		return fmt.Errorf(
			"Error checking for load balancer pool (%s) is active: %s", lbPoolID, err)
	}

	_, err = isWaitForClassicLBAvailable(sess, lbID, d.Timeout(schema.TimeoutCreate))
	if err != nil {
		return fmt.Errorf(
			"Error checking for load balancer (%s) is active: %s", lbID, err)
	}

	return nil
}

func lbpMemberCreate(d *schema.ResourceData, meta interface{}, lbID, lbPoolID, targetAddress string, port, weight int64) error {
	sess, err := vpcClient(meta)
	if err != nil {
		return err
	}
	_, err = isWaitForLBPoolActive(sess, lbID, lbPoolID, d.Timeout(schema.TimeoutCreate))
	if err != nil {
		return fmt.Errorf(
			"Error checking for load balancer pool (%s) is active: %s", lbPoolID, err)
	}

	_, err = isWaitForLBAvailable(sess, lbID, d.Timeout(schema.TimeoutCreate))
	if err != nil {
		return fmt.Errorf(
			"Error checking for load balancer (%s) is active: %s", lbID, err)
	}

	options := &vpcv1.CreateLoadBalancerPoolMemberOptions{
		LoadBalancerID: &lbID,
		PoolID:         &lbPoolID,
		Port:           &port,
		Target: &vpcv1.LoadBalancerPoolMemberTargetPrototype{
			Address: &targetAddress,
		},
	}
	if weight > int64(0) {
		options.Weight = &weight
	}
	lbPoolMember, response, err := sess.CreateLoadBalancerPoolMember(options)
	if err != nil {
		return fmt.Errorf("[DEBUG] lbpool member create err: %s\n%s", err, response)
	}

	d.SetId(fmt.Sprintf("%s/%s/%s", lbID, lbPoolID, *lbPoolMember.ID))
	log.Printf("[INFO] lbpool member : %s", *lbPoolMember.ID)

	_, err = isWaitForLBPoolMemberAvailable(sess, lbID, lbPoolID, *lbPoolMember.ID, d.Timeout(schema.TimeoutCreate))
	if err != nil {
		return err
	}

	_, err = isWaitForLBPoolActive(sess, lbID, lbPoolID, d.Timeout(schema.TimeoutCreate))
	if err != nil {
		return fmt.Errorf(
			"Error checking for load balancer pool (%s) is active: %s", lbPoolID, err)
	}

	_, err = isWaitForLBAvailable(sess, lbID, d.Timeout(schema.TimeoutCreate))
	if err != nil {
		return fmt.Errorf(
			"Error checking for load balancer (%s) is active: %s", lbID, err)
	}

	return nil
}

func isWaitForClassicLBPoolMemberAvailable(lbc *vpcclassicv1.VpcClassicV1, lbID, lbPoolID, lbPoolMemID string, timeout time.Duration) (interface{}, error) {
	log.Printf("Waiting for load balancer pool member(%s) to be available.", lbPoolMemID)

	stateConf := &resource.StateChangeConf{
		Pending:    []string{"create_pending", "update_pending", "maintenance_pending"},
		Target:     []string{isLBPoolMemberActive, ""},
		Refresh:    isClassicLBPoolMemberRefreshFunc(lbc, lbID, lbPoolID, lbPoolMemID),
		Timeout:    timeout,
		Delay:      10 * time.Second,
		MinTimeout: 10 * time.Second,
	}

	return stateConf.WaitForState()
}

func isClassicLBPoolMemberRefreshFunc(lbc *vpcclassicv1.VpcClassicV1, lbID, lbPoolID, lbPoolMemID string) resource.StateRefreshFunc {
	return func() (interface{}, string, error) {

		getlbpmoptions := &vpcclassicv1.GetLoadBalancerPoolMemberOptions{
			LoadBalancerID: &lbID,
			PoolID:         &lbPoolID,
			ID:             &lbPoolMemID,
		}
		lbPoolMem, response, err := lbc.GetLoadBalancerPoolMember(getlbpmoptions)
		if err != nil {
			return nil, "", fmt.Errorf("Error Getting Load Balancer Pool Member: %s\n%s", err, response)
		}

		if *lbPoolMem.ProvisioningStatus == isLBPoolMemberActive {
			return lbPoolMem, *lbPoolMem.ProvisioningStatus, nil
		}

		return lbPoolMem, *lbPoolMem.ProvisioningStatus, nil
	}
}

func isWaitForLBPoolMemberAvailable(lbc *vpcv1.VpcV1, lbID, lbPoolID, lbPoolMemID string, timeout time.Duration) (interface{}, error) {
	log.Printf("Waiting for load balancer pool member(%s) to be available.", lbPoolMemID)

	stateConf := &resource.StateChangeConf{
		Pending:    []string{"create_pending", "update_pending", "maintenance_pending"},
		Target:     []string{isLBPoolMemberActive, ""},
		Refresh:    isLBPoolMemberRefreshFunc(lbc, lbID, lbPoolID, lbPoolMemID),
		Timeout:    timeout,
		Delay:      10 * time.Second,
		MinTimeout: 10 * time.Second,
	}

	return stateConf.WaitForState()
}

func isLBPoolMemberRefreshFunc(lbc *vpcv1.VpcV1, lbID, lbPoolID, lbPoolMemID string) resource.StateRefreshFunc {
	return func() (interface{}, string, error) {

		getlbpmoptions := &vpcv1.GetLoadBalancerPoolMemberOptions{
			LoadBalancerID: &lbID,
			PoolID:         &lbPoolID,
			ID:             &lbPoolMemID,
		}
		lbPoolMem, response, err := lbc.GetLoadBalancerPoolMember(getlbpmoptions)
		if err != nil {
			return nil, "", fmt.Errorf("Error Getting Load Balancer Pool Member: %s\n%s", err, response)
		}

		if *lbPoolMem.ProvisioningStatus == isLBPoolMemberActive {
			return lbPoolMem, *lbPoolMem.ProvisioningStatus, nil
		}

		return lbPoolMem, *lbPoolMem.ProvisioningStatus, nil
	}
}

func resourceIBMISLBPoolMemberRead(d *schema.ResourceData, meta interface{}) error {
	userDetails, err := meta.(ClientSession).BluemixUserDetails()
	if err != nil {
		return err
	}

	parts, err := idParts(d.Id())
	if err != nil {
		return err
	}

	if len(parts) < 3 {
		return fmt.Errorf(
			"The id should contain loadbalancer Id, loadbalancer pool Id and loadbalancer poolmemebr Id")
	}

	lbID := parts[0]
	lbPoolID := parts[1]
	lbPoolMemID := parts[2]

	if userDetails.generation == 1 {
		err := classiclbpmemberGet(d, meta, lbID, lbPoolID, lbPoolMemID)
		if err != nil {
			return err
		}
	} else {
		err := lbpmemberGet(d, meta, lbID, lbPoolID, lbPoolMemID)
		if err != nil {
			return err
		}
	}

	return nil
}

func classiclbpmemberGet(d *schema.ResourceData, meta interface{}, lbID, lbPoolID, lbPoolMemID string) error {
	sess, err := classicVpcClient(meta)
	if err != nil {
		return err
	}
	getlbpmoptions := &vpcclassicv1.GetLoadBalancerPoolMemberOptions{
		LoadBalancerID: &lbID,
		PoolID:         &lbPoolID,
		ID:             &lbPoolMemID,
	}
	lbPoolMem, response, err := sess.GetLoadBalancerPoolMember(getlbpmoptions)
	if err != nil {
		if response != nil && response.StatusCode == 404 {
			d.SetId("")
			return nil
		}
		return fmt.Errorf("Error Getting Load Balancer Pool Member: %s\n%s", err, response)
	}

	d.Set(isLBPoolID, lbPoolID)
	d.Set(isLBID, lbID)
	d.Set(isLBPoolMemberPort, *lbPoolMem.Port)

	targetaddress := lbPoolMem.Target.(*vpcclassicv1.LoadBalancerPoolMemberTarget)
	d.Set(isLBPoolMemberTargetAddress, *targetaddress.Address)
	d.Set(isLBPoolMemberWeight, *lbPoolMem.Weight)
	d.Set(isLBPoolMemberProvisioningStatus, *lbPoolMem.ProvisioningStatus)
	d.Set(isLBPoolMemberHealth, *lbPoolMem.Health)
	d.Set(isLBPoolMemberHref, *lbPoolMem.Href)
	return nil
}

func lbpmemberGet(d *schema.ResourceData, meta interface{}, lbID, lbPoolID, lbPoolMemID string) error {
	sess, err := vpcClient(meta)
	if err != nil {
		return err
	}
	getlbpmoptions := &vpcv1.GetLoadBalancerPoolMemberOptions{
		LoadBalancerID: &lbID,
		PoolID:         &lbPoolID,
		ID:             &lbPoolMemID,
	}
	lbPoolMem, response, err := sess.GetLoadBalancerPoolMember(getlbpmoptions)
	if err != nil {
		if response != nil && response.StatusCode == 404 {
			d.SetId("")
			return nil
		}
		return fmt.Errorf("Error Getting Load Balancer Pool Member: %s\n%s", err, response)
	}
	d.Set(isLBPoolID, lbPoolID)
	d.Set(isLBID, lbID)
	d.Set(isLBPoolMemberPort, *lbPoolMem.Port)

	targetaddress := lbPoolMem.Target.(*vpcv1.LoadBalancerPoolMemberTarget)
	d.Set(isLBPoolMemberTargetAddress, *targetaddress.Address)
	d.Set(isLBPoolMemberWeight, *lbPoolMem.Weight)
	d.Set(isLBPoolMemberProvisioningStatus, *lbPoolMem.ProvisioningStatus)
	d.Set(isLBPoolMemberHealth, *lbPoolMem.Health)
	d.Set(isLBPoolMemberHref, *lbPoolMem.Href)
	return nil
}

func resourceIBMISLBPoolMemberUpdate(d *schema.ResourceData, meta interface{}) error {
	userDetails, err := meta.(ClientSession).BluemixUserDetails()
	if err != nil {
		return err
	}

	parts, err := idParts(d.Id())
	if err != nil {
		return err
	}

	lbID := parts[0]
	lbPoolID := parts[1]
	lbPoolMemID := parts[2]

	if userDetails.generation == 1 {
		err := classiclbpmemberUpdate(d, meta, lbID, lbPoolID, lbPoolMemID)
		if err != nil {
			return err
		}
	} else {
		err := lbpmemberUpdate(d, meta, lbID, lbPoolID, lbPoolMemID)
		if err != nil {
			return err
		}
	}

	return resourceIBMISLBPoolMemberRead(d, meta)
}
func classiclbpmemberUpdate(d *schema.ResourceData, meta interface{}, lbID, lbPoolID, lbPoolMemID string) error {
	sess, err := classicVpcClient(meta)
	if err != nil {
		return err
	}

	if d.HasChange(isLBPoolMemberTargetAddress) || d.HasChange(isLBPoolMemberPort) || d.HasChange(isLBPoolMemberWeight) {
		port := int64(d.Get(isLBPoolMemberPort).(int))
		targetAddress := d.Get(isLBPoolMemberTargetAddress).(string)
		weight := int64(d.Get(isLBPoolMemberWeight).(int))

		isLBPoolMemberKey := "load_balancer_pool_member_key_" + lbID + lbPoolID
		ibmMutexKV.Lock(isLBPoolMemberKey)
		defer ibmMutexKV.Unlock(isLBPoolMemberKey)

		_, err = isWaitForClassicLBPoolActive(sess, lbID, lbPoolID, d.Timeout(schema.TimeoutUpdate))
		if err != nil {
			return fmt.Errorf(
				"Error checking for load balancer pool (%s) is active: %s", lbPoolID, err)
		}

		_, err = isWaitForClassicLBPoolMemberAvailable(sess, lbID, lbPoolID, lbPoolMemID, d.Timeout(schema.TimeoutUpdate))
		if err != nil {
			return err
		}

		_, err = isWaitForClassicLBAvailable(sess, lbID, d.Timeout(schema.TimeoutUpdate))
		if err != nil {
			return fmt.Errorf(
				"Error checking for load balancer (%s) is active: %s", lbID, err)
		}

		updatelbpmoptions := &vpcclassicv1.UpdateLoadBalancerPoolMemberOptions{
			LoadBalancerID: &lbID,
			PoolID:         &lbPoolID,
			ID:             &lbPoolMemID,
			Port:           &port,
			Target: &vpcclassicv1.LoadBalancerPoolMemberTargetPrototype{
				Address: &targetAddress,
			},
			Weight: &weight,
		}
		_, response, err := sess.UpdateLoadBalancerPoolMember(updatelbpmoptions)
		if err != nil {
			return fmt.Errorf("Error Updating Load Balancer Pool Member: %s\n%s", err, response)
		}
		_, err = isWaitForClassicLBPoolMemberAvailable(sess, lbID, lbPoolID, lbPoolMemID, d.Timeout(schema.TimeoutUpdate))
		if err != nil {
			return err
		}

		_, err = isWaitForClassicLBPoolActive(sess, lbID, lbPoolID, d.Timeout(schema.TimeoutUpdate))
		if err != nil {
			return fmt.Errorf(
				"Error checking for load balancer pool (%s) is active: %s", lbPoolID, err)
		}

		_, err = isWaitForClassicLBAvailable(sess, lbID, d.Timeout(schema.TimeoutUpdate))
		if err != nil {
			return fmt.Errorf(
				"Error checking for load balancer (%s) is active: %s", lbID, err)
		}
	}
	return nil
}

func lbpmemberUpdate(d *schema.ResourceData, meta interface{}, lbID, lbPoolID, lbPoolMemID string) error {
	sess, err := vpcClient(meta)
	if err != nil {
		return err
	}

	if d.HasChange(isLBPoolMemberTargetAddress) || d.HasChange(isLBPoolMemberPort) || d.HasChange(isLBPoolMemberWeight) {

		port := int64(d.Get(isLBPoolMemberPort).(int))
		targetAddress := d.Get(isLBPoolMemberTargetAddress).(string)
		weight := int64(d.Get(isLBPoolMemberWeight).(int))

		isLBPoolMemberKey := "load_balancer_pool_member_key_" + lbID + lbPoolID
		ibmMutexKV.Lock(isLBPoolMemberKey)
		defer ibmMutexKV.Unlock(isLBPoolMemberKey)

		_, err = isWaitForLBPoolActive(sess, lbID, lbPoolID, d.Timeout(schema.TimeoutUpdate))
		if err != nil {
			return fmt.Errorf(
				"Error checking for load balancer pool (%s) is active: %s", lbPoolID, err)
		}

		_, err = isWaitForLBPoolMemberAvailable(sess, lbID, lbPoolID, lbPoolMemID, d.Timeout(schema.TimeoutCreate))
		if err != nil {
			return err
		}

		_, err = isWaitForLBAvailable(sess, lbID, d.Timeout(schema.TimeoutUpdate))
		if err != nil {
			return fmt.Errorf(
				"Error checking for load balancer (%s) is active: %s", lbID, err)
		}

		updatelbpmoptions := &vpcv1.UpdateLoadBalancerPoolMemberOptions{
			LoadBalancerID: &lbID,
			PoolID:         &lbPoolID,
			ID:             &lbPoolMemID,
			Port:           &port,
			Target: &vpcv1.LoadBalancerPoolMemberTargetPrototype{
				Address: &targetAddress,
			},
			Weight: &weight,
		}
		_, response, err := sess.UpdateLoadBalancerPoolMember(updatelbpmoptions)
		if err != nil {
			return fmt.Errorf("Error Updating Load Balancer Pool Member: %s\n%s", err, response)
		}
		_, err = isWaitForLBPoolMemberAvailable(sess, lbID, lbPoolID, lbPoolMemID, d.Timeout(schema.TimeoutCreate))
		if err != nil {
			return err
		}

		_, err = isWaitForLBPoolActive(sess, lbID, lbPoolID, d.Timeout(schema.TimeoutUpdate))
		if err != nil {
			return fmt.Errorf(
				"Error checking for load balancer pool (%s) is active: %s", lbPoolID, err)
		}

		_, err = isWaitForLBAvailable(sess, lbID, d.Timeout(schema.TimeoutUpdate))
		if err != nil {
			return fmt.Errorf(
				"Error checking for load balancer (%s) is active: %s", lbID, err)
		}
	}
	return nil
}

func resourceIBMISLBPoolMemberDelete(d *schema.ResourceData, meta interface{}) error {

	userDetails, err := meta.(ClientSession).BluemixUserDetails()
	if err != nil {
		return err
	}

	parts, err := idParts(d.Id())
	if err != nil {
		return err
	}

	lbID := parts[0]
	lbPoolID := parts[1]
	lbPoolMemID := parts[2]

	isLBPoolMemberKey := "load_balancer_pool_member_key_" + lbID + lbPoolID
	ibmMutexKV.Lock(isLBPoolMemberKey)
	defer ibmMutexKV.Unlock(isLBPoolMemberKey)

	if userDetails.generation == 1 {
		err := classiclbpmemberDelete(d, meta, lbID, lbPoolID, lbPoolMemID)
		if err != nil {
			return err
		}
	} else {
		err := lbpmemberDelete(d, meta, lbID, lbPoolID, lbPoolMemID)
		if err != nil {
			return err
		}
	}

	return nil
}

func classiclbpmemberDelete(d *schema.ResourceData, meta interface{}, lbID, lbPoolID, lbPoolMemID string) error {
	sess, err := classicVpcClient(meta)
	if err != nil {
		return err
	}
	getlbpmoptions := &vpcclassicv1.GetLoadBalancerPoolMemberOptions{
		LoadBalancerID: &lbID,
		PoolID:         &lbPoolID,
		ID:             &lbPoolMemID,
	}
	_, response, err := sess.GetLoadBalancerPoolMember(getlbpmoptions)
	if err != nil {
		if response != nil && response.StatusCode == 404 {
			d.SetId("")
			return nil
		}
		return fmt.Errorf("Error Getting Load Balancer Pool Member: %s\n%s", err, response)
	}
	_, err = isWaitForClassicLBPoolMemberAvailable(sess, lbID, lbPoolID, lbPoolMemID, d.Timeout(schema.TimeoutDelete))
	if err != nil {
		return err
	}

	_, err = isWaitForClassicLBPoolActive(sess, lbID, lbPoolID, d.Timeout(schema.TimeoutDelete))
	if err != nil {
		return fmt.Errorf(
			"Error checking for load balancer pool (%s) is active: %s", lbPoolID, err)
	}

	_, err = isWaitForClassicLBAvailable(sess, lbID, d.Timeout(schema.TimeoutDelete))
	if err != nil {
		return fmt.Errorf(
			"Error checking for load balancer (%s) is active: %s", lbID, err)
	}

	dellbpmoptions := &vpcclassicv1.DeleteLoadBalancerPoolMemberOptions{
		LoadBalancerID: &lbID,
		PoolID:         &lbPoolID,
		ID:             &lbPoolMemID,
	}
	response, err = sess.DeleteLoadBalancerPoolMember(dellbpmoptions)
	if err != nil {
		return fmt.Errorf("Error Deleting Load Balancer Pool Member: %s\n%s", err, response)
	}

	_, err = isWaitForClassicLBPoolMemberDeleted(sess, lbID, lbPoolID, lbPoolMemID, d.Timeout(schema.TimeoutDelete))
	if err != nil {
		return err
	}

	_, err = isWaitForClassicLBPoolActive(sess, lbID, lbPoolID, d.Timeout(schema.TimeoutDelete))
	if err != nil {
		return fmt.Errorf(
			"Error checking for load balancer pool (%s) is active: %s", lbPoolID, err)
	}

	_, err = isWaitForClassicLBAvailable(sess, lbID, d.Timeout(schema.TimeoutDelete))
	if err != nil {
		return fmt.Errorf(
			"Error checking for load balancer (%s) is active: %s", lbID, err)
	}

	d.SetId("")
	return nil
}

func lbpmemberDelete(d *schema.ResourceData, meta interface{}, lbID, lbPoolID, lbPoolMemID string) error {
	sess, err := vpcClient(meta)
	if err != nil {
		return err
	}

	getlbpmoptions := &vpcv1.GetLoadBalancerPoolMemberOptions{
		LoadBalancerID: &lbID,
		PoolID:         &lbPoolID,
		ID:             &lbPoolMemID,
	}
	_, response, err := sess.GetLoadBalancerPoolMember(getlbpmoptions)
	if err != nil {
		if response != nil && response.StatusCode == 404 {
			d.SetId("")
			return nil
		}
		return fmt.Errorf("Error Getting Load Balancer Pool Member: %s\n%s", err, response)
	}
	_, err = isWaitForLBPoolMemberAvailable(sess, lbID, lbPoolID, lbPoolMemID, d.Timeout(schema.TimeoutDelete))
	if err != nil {
		return err
	}

	_, err = isWaitForLBPoolActive(sess, lbID, lbPoolID, d.Timeout(schema.TimeoutDelete))
	if err != nil {
		return fmt.Errorf(
			"Error checking for load balancer pool (%s) is active: %s", lbPoolID, err)
	}

	_, err = isWaitForLBAvailable(sess, lbID, d.Timeout(schema.TimeoutDelete))
	if err != nil {
		return fmt.Errorf(
			"Error checking for load balancer (%s) is active: %s", lbID, err)
	}

	dellbpmoptions := &vpcv1.DeleteLoadBalancerPoolMemberOptions{
		LoadBalancerID: &lbID,
		PoolID:         &lbPoolID,
		ID:             &lbPoolMemID,
	}
	response, err = sess.DeleteLoadBalancerPoolMember(dellbpmoptions)
	if err != nil {
		return fmt.Errorf("Error Deleting Load Balancer Pool Member: %s\n%s", err, response)
	}

	_, err = isWaitForLBPoolMemberDeleted(sess, lbID, lbPoolID, lbPoolMemID, d.Timeout(schema.TimeoutDelete))
	if err != nil {
		return err
	}

	_, err = isWaitForLBPoolActive(sess, lbID, lbPoolID, d.Timeout(schema.TimeoutDelete))
	if err != nil {
		return fmt.Errorf(
			"Error checking for load balancer pool (%s) is active: %s", lbPoolID, err)
	}

	_, err = isWaitForLBAvailable(sess, lbID, d.Timeout(schema.TimeoutDelete))
	if err != nil {
		return fmt.Errorf(
			"Error checking for load balancer (%s) is active: %s", lbID, err)
	}

	d.SetId("")
	return nil
}
func isWaitForClassicLBPoolMemberDeleted(lbc *vpcclassicv1.VpcClassicV1, lbID, lbPoolID, lbPoolMemID string, timeout time.Duration) (interface{}, error) {
	log.Printf("Waiting for  (%s) to be deleted.", lbPoolMemID)

	stateConf := &resource.StateChangeConf{
		Pending:    []string{isLBPoolMemberDeletePending},
		Target:     []string{isLBPoolMemberDeleted, ""},
		Refresh:    isDeleteClassicLBPoolMemberRefreshFunc(lbc, lbID, lbPoolID, lbPoolMemID),
		Timeout:    timeout,
		Delay:      10 * time.Second,
		MinTimeout: 10 * time.Second,
	}

	return stateConf.WaitForState()
}
func isWaitForLBPoolMemberDeleted(lbc *vpcv1.VpcV1, lbID, lbPoolID, lbPoolMemID string, timeout time.Duration) (interface{}, error) {
	log.Printf("Waiting for  (%s) to be deleted.", lbPoolMemID)

	stateConf := &resource.StateChangeConf{
		Pending:    []string{isLBPoolMemberDeletePending},
		Target:     []string{isLBPoolMemberDeleted, ""},
		Refresh:    isDeleteLBPoolMemberRefreshFunc(lbc, lbID, lbPoolID, lbPoolMemID),
		Timeout:    timeout,
		Delay:      10 * time.Second,
		MinTimeout: 10 * time.Second,
	}

	return stateConf.WaitForState()
}

func isDeleteClassicLBPoolMemberRefreshFunc(lbc *vpcclassicv1.VpcClassicV1, lbID, lbPoolID, lbPoolMemID string) resource.StateRefreshFunc {
	return func() (interface{}, string, error) {

		getlbpmoptions := &vpcclassicv1.GetLoadBalancerPoolMemberOptions{
			LoadBalancerID: &lbID,
			PoolID:         &lbPoolID,
			ID:             &lbPoolMemID,
		}
		lbPoolMem, response, err := lbc.GetLoadBalancerPoolMember(getlbpmoptions)
		if err != nil {
			if response != nil && response.StatusCode == 404 {
				return lbPoolMem, isLBPoolMemberDeleted, nil
			}
			return nil, "", fmt.Errorf("Error Deleting Load balancer pool member: %s\n%s", err, response)
		}
		return lbPoolMem, isLBPoolMemberDeletePending, nil
	}
}

func isDeleteLBPoolMemberRefreshFunc(lbc *vpcv1.VpcV1, lbID, lbPoolID, lbPoolMemID string) resource.StateRefreshFunc {
	return func() (interface{}, string, error) {

		getlbpmoptions := &vpcv1.GetLoadBalancerPoolMemberOptions{
			LoadBalancerID: &lbID,
			PoolID:         &lbPoolID,
			ID:             &lbPoolMemID,
		}
		lbPoolMem, response, err := lbc.GetLoadBalancerPoolMember(getlbpmoptions)
		if err != nil {
			if response != nil && response.StatusCode == 404 {
				return lbPoolMem, isLBPoolMemberDeleted, nil
			}
			return nil, "", fmt.Errorf("Error Deleting Load balancer pool member: %s\n%s", err, response)
		}
		return lbPoolMem, isLBPoolMemberDeletePending, nil
	}
}

func resourceIBMISLBPoolMemberExists(d *schema.ResourceData, meta interface{}) (bool, error) {
	userDetails, err := meta.(ClientSession).BluemixUserDetails()
	if err != nil {
		return false, err
	}
	parts, err := idParts(d.Id())
	if err != nil {
		return false, err
	}
	if len(parts) < 3 {
		return false, fmt.Errorf(
			"The id should contain loadbalancer Id, loadbalancer pool Id and loadbalancer poolmemebr Id")
	}

	lbID := parts[0]
	lbPoolID := parts[1]
	lbPoolMemID := parts[2]

	if userDetails.generation == 1 {
		exists, err := classiclbpmemberExists(d, meta, lbID, lbPoolID, lbPoolMemID)
		return exists, err
	} else {
		exists, err := lbpmemberExists(d, meta, lbID, lbPoolID, lbPoolMemID)
		return exists, err
	}
}

func classiclbpmemberExists(d *schema.ResourceData, meta interface{}, lbID, lbPoolID, lbPoolMemID string) (bool, error) {
	sess, err := classicVpcClient(meta)
	if err != nil {
		return false, err
	}

	getlbpmoptions := &vpcclassicv1.GetLoadBalancerPoolMemberOptions{
		LoadBalancerID: &lbID,
		PoolID:         &lbPoolID,
		ID:             &lbPoolMemID,
	}
	_, response, err := sess.GetLoadBalancerPoolMember(getlbpmoptions)
	if err != nil {
		if response != nil && response.StatusCode == 404 {
			return false, nil
		}
		return false, fmt.Errorf("Error getting Load balancer pool member: %s\n%s", err, response)
	}
	return true, nil
}

func lbpmemberExists(d *schema.ResourceData, meta interface{}, lbID, lbPoolID, lbPoolMemID string) (bool, error) {
	sess, err := vpcClient(meta)
	if err != nil {
		return false, err
	}

	getlbpmoptions := &vpcv1.GetLoadBalancerPoolMemberOptions{
		LoadBalancerID: &lbID,
		PoolID:         &lbPoolID,
		ID:             &lbPoolMemID,
	}
	_, response, err := sess.GetLoadBalancerPoolMember(getlbpmoptions)
	if err != nil {
		if response != nil && response.StatusCode == 404 {
			return false, nil
		}
		return false, fmt.Errorf("Error getting Load balancer pool member: %s\n%s", err, response)
	}
	return true, nil
}

func getPoolId(id string) (string, error) {
	if strings.Contains(id, "/") {
		parts, err := idParts(id)
		if err != nil {
			return "", err
		}

		return parts[1], nil
	} else {
		return id, nil
	}
}