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resource_telefonicaopencloud_elb_loadbalancer.go
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resource_telefonicaopencloud_elb_loadbalancer.go
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package telefonicaopencloud
import (
"fmt"
"log"
"time"
"github.com/hashicorp/terraform/helper/resource"
"github.com/hashicorp/terraform/helper/schema"
"github.com/huaweicloud/golangsdk/openstack/networking/v2/extensions/elb"
"github.com/huaweicloud/golangsdk/openstack/networking/v2/extensions/elb/loadbalancers"
)
const nameELBLB = "ELB-LoadBalancer"
func resourceELBLoadBalancer() *schema.Resource {
return &schema.Resource{
Create: resourceELBLoadBalancerCreate,
Read: resourceELBLoadBalancerRead,
Update: resourceELBLoadBalancerUpdate,
Delete: resourceELBLoadBalancerDelete,
Timeouts: &schema.ResourceTimeout{
Create: schema.DefaultTimeout(10 * time.Minute),
Update: schema.DefaultTimeout(10 * time.Minute),
Delete: schema.DefaultTimeout(5 * time.Minute),
},
Schema: map[string]*schema.Schema{
"name": &schema.Schema{
Type: schema.TypeString,
Required: true,
},
"description": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Computed: true,
},
"vpc_id": &schema.Schema{
Type: schema.TypeString,
Required: true,
},
"bandwidth": &schema.Schema{
Type: schema.TypeInt,
Optional: true,
Computed: true,
},
"type": &schema.Schema{
Type: schema.TypeString,
Required: true,
},
"admin_state_up": &schema.Schema{
Type: schema.TypeInt,
Required: true,
},
"vip_subnet_id": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Computed: true,
},
"az": &schema.Schema{
Type: schema.TypeString,
Optional: true,
},
"charge_mode": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Default: "bandwidth",
},
"eip_type": &schema.Schema{
Type: schema.TypeString,
Optional: true,
},
"security_group_id": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Computed: true,
},
"vip_address": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Computed: true,
},
"tenantid": &schema.Schema{
Type: schema.TypeString,
Optional: true,
},
"update_time": &schema.Schema{
Type: schema.TypeString,
Computed: true,
},
"create_time": &schema.Schema{
Type: schema.TypeString,
Computed: true,
},
"status": &schema.Schema{
Type: schema.TypeString,
Computed: true,
},
},
}
}
func resourceELBLoadBalancerCreate(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
networkingClient, err := chooseELBClient(d, config)
if err != nil {
return fmt.Errorf("Error creating TelefonicaOpenCloud networking client: %s", err)
}
var opts loadbalancers.CreateOpts
_, err = buildCreateParam(&opts, d, nil)
if err != nil {
return fmt.Errorf("Error creating %s: building parameter failed:%s", nameELBLB, err)
}
log.Printf("[DEBUG] Create %s Options: %#v", nameELBLB, opts)
switch {
case opts.Type == "External" && !hasFilledOpt(d, "bandwidth"):
return fmt.Errorf("bandwidth is mandatory when type is set to External")
case opts.Type == "Internal" && !hasFilledOpt(d, "vip_subnet_id"):
return fmt.Errorf("vip_subnet_id is mandatory when type is set to Internal")
case opts.Type == "Internal" && !hasFilledOpt(d, "az"):
return fmt.Errorf("az is mandatory when type is set to Internal")
case opts.Type == "Internal" && !hasFilledOpt(d, "security_group_id"):
return fmt.Errorf("security_group_id is mandatory when type is set to Internal")
case opts.Type == "Internal" && !hasFilledOpt(d, "tenantid"):
return fmt.Errorf("tenantid is mandatory when type is set to Internal")
}
j, err := loadbalancers.Create(networkingClient, opts).Extract()
if err != nil {
return fmt.Errorf("Error creating %s: %s", nameELBLB, err)
}
log.Printf("[DEBUG] Create %s, the job is: %#v", nameELBLB, *j)
// Wait for LoadBalancer to become active before continuing
timeout := d.Timeout(schema.TimeoutCreate)
jobInfo, err := waitForELBJobSuccess(networkingClient, j, timeout)
if err != nil {
return err
}
log.Printf("[DEBUG] Create %s, the job is: %#v", nameELBLB, jobInfo)
e, ok := jobInfo.Entities["elb"]
if !ok {
return fmt.Errorf("Error creating %s: get the entity from job info failed", nameELBLB)
}
i, ok := e.(map[string]interface{})
if !ok {
return fmt.Errorf("Error creating %s: convert job entity to map failed", nameELBLB)
}
eid, ok := i["id"]
if !ok {
return fmt.Errorf("Error creating %s: get elb id from job entity failed", nameELBLB)
}
// If all has been successful, set the ID on the resource
d.SetId(eid.(string))
return resourceELBLoadBalancerRead(d, meta)
}
func resourceELBLoadBalancerRead(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
networkingClient, err := chooseELBClient(d, config)
if err != nil {
return fmt.Errorf("Error creating TelefonicaOpenCloud networking client: %s", err)
}
lb, err := loadbalancers.Get(networkingClient, d.Id()).Extract()
if err != nil {
return CheckDeleted(d, err, "loadbalancer")
}
log.Printf("[DEBUG] Retrieved %s %s: %#v", nameELBLB, d.Id(), lb)
return refreshResourceData(lb, d, nil)
}
func resourceELBLoadBalancerUpdate(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
networkingClient, err := chooseELBClient(d, config)
if err != nil {
return fmt.Errorf("Error creating TelefonicaOpenCloud networking client: %s", err)
}
lbId := d.Id()
var updateOpts loadbalancers.UpdateOpts
not_pass_param, err := buildUpdateParam(&updateOpts, d, nil)
if err != nil {
return fmt.Errorf("Error updating %s %s: building parameter failed:%s", nameELBLB, lbId, err)
}
// Wait for LoadBalancer to become active before continuing
timeout := d.Timeout(schema.TimeoutUpdate)
err = waitForELBLoadBalancerActive(networkingClient, lbId, timeout)
if err != nil {
return err
}
log.Printf("[DEBUG] Updating %s %s with options: %#v", nameELBLB, lbId, updateOpts)
var job *elb.Job
err = resource.Retry(timeout, func() *resource.RetryError {
j, err := loadbalancers.Update(networkingClient, lbId, updateOpts, not_pass_param).Extract()
if err != nil {
return checkForRetryableError(err)
}
job = j
return nil
})
if err != nil {
return fmt.Errorf("Error updating %s %s: %s", nameELBLB, lbId, err)
}
// Wait for LoadBalancer to become active before continuing
_, err = waitForELBJobSuccess(networkingClient, job, timeout)
if err != nil {
return err
}
return resourceELBLoadBalancerRead(d, meta)
}
func resourceELBLoadBalancerDelete(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
networkingClient, err := chooseELBClient(d, config)
if err != nil {
return fmt.Errorf("Error creating TelefonicaOpenCloud networking client: %s", err)
}
lbId := d.Id()
log.Printf("[DEBUG] Deleting %s %s", nameELBLB, lbId)
var job *elb.Job
timeout := d.Timeout(schema.TimeoutDelete)
err = resource.Retry(timeout, func() *resource.RetryError {
j, err := loadbalancers.Delete(networkingClient, lbId).Extract()
if err != nil {
return checkForRetryableError(err)
}
job = j
return nil
})
if err != nil {
if isResourceNotFound(err) {
log.Printf("[INFO] deleting an unavailable %s: %s", nameELBLB, lbId)
return nil
}
return fmt.Errorf("Error deleting %s %s: %s", nameELBLB, lbId, err)
}
log.Printf("[DEBUG] Delete %s, the job is: %#v", nameELBLB, *job)
_, err = waitForELBJobSuccess(networkingClient, job, timeout)
if err != nil {
return err
}
return nil
}