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resource_arm_loadbalancer_backend_address_pool.go
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resource_arm_loadbalancer_backend_address_pool.go
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package azurerm
import (
"fmt"
"log"
"time"
"github.com/Azure/azure-sdk-for-go/services/network/mgmt/2017-09-01/network"
"github.com/hashicorp/errwrap"
"github.com/hashicorp/terraform/helper/resource"
"github.com/hashicorp/terraform/helper/schema"
"github.com/terraform-providers/terraform-provider-azurerm/azurerm/utils"
)
func resourceArmLoadBalancerBackendAddressPool() *schema.Resource {
return &schema.Resource{
Create: resourceArmLoadBalancerBackendAddressPoolCreate,
Read: resourceArmLoadBalancerBackendAddressPoolRead,
Delete: resourceArmLoadBalancerBackendAddressPoolDelete,
Importer: &schema.ResourceImporter{
State: loadBalancerSubResourceStateImporter,
},
Schema: map[string]*schema.Schema{
"name": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"location": deprecatedLocationSchema(),
"resource_group_name": resourceGroupNameSchema(),
"loadbalancer_id": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"backend_ip_configurations": {
Type: schema.TypeSet,
Computed: true,
Elem: &schema.Schema{Type: schema.TypeString},
Set: schema.HashString,
},
"load_balancing_rules": {
Type: schema.TypeSet,
Computed: true,
Elem: &schema.Schema{Type: schema.TypeString},
Set: schema.HashString,
},
},
}
}
func resourceArmLoadBalancerBackendAddressPoolCreate(d *schema.ResourceData, meta interface{}) error {
client := meta.(*ArmClient).loadBalancerClient
ctx := meta.(*ArmClient).StopContext
loadBalancerID := d.Get("loadbalancer_id").(string)
armMutexKV.Lock(loadBalancerID)
defer armMutexKV.Unlock(loadBalancerID)
loadBalancer, exists, err := retrieveLoadBalancerById(loadBalancerID, meta)
if err != nil {
return errwrap.Wrapf("Error Getting LoadBalancer By ID {{err}}", err)
}
if !exists {
d.SetId("")
log.Printf("[INFO] LoadBalancer %q not found. Removing from state", d.Get("name").(string))
return nil
}
backendAddressPools := append(*loadBalancer.LoadBalancerPropertiesFormat.BackendAddressPools, expandAzureRmLoadBalancerBackendAddressPools(d))
existingPool, existingPoolIndex, exists := findLoadBalancerBackEndAddressPoolByName(loadBalancer, d.Get("name").(string))
if exists {
if d.Get("name").(string) == *existingPool.Name {
// this pool is being updated/reapplied remove old copy from the slice
backendAddressPools = append(backendAddressPools[:existingPoolIndex], backendAddressPools[existingPoolIndex+1:]...)
}
}
loadBalancer.LoadBalancerPropertiesFormat.BackendAddressPools = &backendAddressPools
resGroup, loadBalancerName, err := resourceGroupAndLBNameFromId(d.Get("loadbalancer_id").(string))
if err != nil {
return fmt.Errorf("Error parsing LoadBalancer Name and Group: %+v", err)
}
future, err := client.CreateOrUpdate(ctx, resGroup, loadBalancerName, *loadBalancer)
if err != nil {
return fmt.Errorf("Error Creating/Updating LoadBalancer %q (Resource Group %q): %+v", loadBalancerName, resGroup, err)
}
err = future.WaitForCompletion(ctx, client.Client)
if err != nil {
return fmt.Errorf("Error Creating/Updating LoadBalancer %q (Resource Group %q): %+v", loadBalancerName, resGroup, err)
}
read, err := client.Get(ctx, resGroup, loadBalancerName, "")
if err != nil {
return fmt.Errorf("Error retrieving Load Balancer %q (Resource Group %q): %+v", loadBalancerName, resGroup, err)
}
if read.ID == nil {
return fmt.Errorf("Cannot read LoadBalancer %q (Resource Group %q) ID", loadBalancerName, resGroup)
}
var poolId string
for _, BackendAddressPool := range *(*read.LoadBalancerPropertiesFormat).BackendAddressPools {
if *BackendAddressPool.Name == d.Get("name").(string) {
poolId = *BackendAddressPool.ID
}
}
if poolId == "" {
return fmt.Errorf("Cannot find created LoadBalancer Backend Address Pool ID %q", poolId)
}
d.SetId(poolId)
// TODO: is this still needed?
log.Printf("[DEBUG] Waiting for LoadBalancer (%s) to become available", loadBalancerName)
stateConf := &resource.StateChangeConf{
Pending: []string{"Accepted", "Updating"},
Target: []string{"Succeeded"},
Refresh: loadbalancerStateRefreshFunc(ctx, client, resGroup, loadBalancerName),
Timeout: 10 * time.Minute,
}
if _, err := stateConf.WaitForState(); err != nil {
return fmt.Errorf("Error waiting for LoadBalancer (%q Resource Group %q) to become available: %+v", loadBalancerName, resGroup, err)
}
return resourceArmLoadBalancerBackendAddressPoolRead(d, meta)
}
func resourceArmLoadBalancerBackendAddressPoolRead(d *schema.ResourceData, meta interface{}) error {
id, err := parseAzureResourceID(d.Id())
if err != nil {
return err
}
name := id.Path["backendAddressPools"]
loadBalancer, exists, err := retrieveLoadBalancerById(d.Get("loadbalancer_id").(string), meta)
if err != nil {
return fmt.Errorf("Error retrieving Load Balancer by ID: %+v", err)
}
if !exists {
d.SetId("")
log.Printf("[INFO] LoadBalancer %q not found. Removing from state", name)
return nil
}
config, _, exists := findLoadBalancerBackEndAddressPoolByName(loadBalancer, name)
if !exists {
d.SetId("")
log.Printf("[INFO] LoadBalancer Backend Address Pool %q not found. Removing from state", name)
return nil
}
d.Set("name", config.Name)
d.Set("resource_group_name", id.ResourceGroup)
var backendIpConfigurations []string
var loadBalancingRules []string
if props := config.BackendAddressPoolPropertiesFormat; props != nil {
if configs := props.BackendIPConfigurations; configs != nil {
for _, backendConfig := range *configs {
backendIpConfigurations = append(backendIpConfigurations, *backendConfig.ID)
}
}
if rules := props.LoadBalancingRules; rules != nil {
for _, rule := range *rules {
loadBalancingRules = append(loadBalancingRules, *rule.ID)
}
}
}
d.Set("backend_ip_configurations", backendIpConfigurations)
d.Set("load_balancing_rules", loadBalancingRules)
return nil
}
func resourceArmLoadBalancerBackendAddressPoolDelete(d *schema.ResourceData, meta interface{}) error {
client := meta.(*ArmClient).loadBalancerClient
ctx := meta.(*ArmClient).StopContext
loadBalancerID := d.Get("loadbalancer_id").(string)
armMutexKV.Lock(loadBalancerID)
defer armMutexKV.Unlock(loadBalancerID)
loadBalancer, exists, err := retrieveLoadBalancerById(loadBalancerID, meta)
if err != nil {
return fmt.Errorf("Error retrieving Load Balancer by ID: %+v", err)
}
if !exists {
d.SetId("")
return nil
}
_, index, exists := findLoadBalancerBackEndAddressPoolByName(loadBalancer, d.Get("name").(string))
if !exists {
return nil
}
oldBackEndPools := *loadBalancer.LoadBalancerPropertiesFormat.BackendAddressPools
newBackEndPools := append(oldBackEndPools[:index], oldBackEndPools[index+1:]...)
loadBalancer.LoadBalancerPropertiesFormat.BackendAddressPools = &newBackEndPools
resGroup, loadBalancerName, err := resourceGroupAndLBNameFromId(d.Get("loadbalancer_id").(string))
if err != nil {
return errwrap.Wrapf("Error Getting LoadBalancer Name and Group: {{err}}", err)
}
future, err := client.CreateOrUpdate(ctx, resGroup, loadBalancerName, *loadBalancer)
if err != nil {
return fmt.Errorf("Error Creating/Updating LoadBalancer: %+v", err)
}
err = future.WaitForCompletion(ctx, client.Client)
if err != nil {
return fmt.Errorf("Error waiting for the completion for the LoadBalancer: %+v", err)
}
read, err := client.Get(ctx, resGroup, loadBalancerName, "")
if err != nil {
return fmt.Errorf("Error retrieving the LoadBalancer %q (Resource Group %q): %+v", loadBalancerName, resGroup, err)
}
if read.ID == nil {
return fmt.Errorf("Cannot read LoadBalancer %q (resource group %q) ID", loadBalancerName, resGroup)
}
return nil
}
func expandAzureRmLoadBalancerBackendAddressPools(d *schema.ResourceData) network.BackendAddressPool {
return network.BackendAddressPool{
Name: utils.String(d.Get("name").(string)),
}
}