forked from hashicorp/terraform-provider-azurerm
/
resource_arm_network_interface_application_gateway_association.go
293 lines (236 loc) · 11.1 KB
/
resource_arm_network_interface_application_gateway_association.go
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package azurerm
import (
"fmt"
"log"
"strings"
"github.com/Azure/azure-sdk-for-go/services/network/mgmt/2018-08-01/network"
"github.com/hashicorp/terraform/helper/schema"
"github.com/terraform-providers/terraform-provider-azurerm/azurerm/helpers/azure"
"github.com/terraform-providers/terraform-provider-azurerm/azurerm/helpers/validate"
"github.com/terraform-providers/terraform-provider-azurerm/azurerm/utils"
)
func resourceArmNetworkInterfaceApplicationGatewayBackendAddressPoolAssociation() *schema.Resource {
return &schema.Resource{
Create: resourceArmNetworkInterfaceApplicationGatewayBackendAddressPoolAssociationCreate,
Read: resourceArmNetworkInterfaceApplicationGatewayBackendAddressPoolAssociationRead,
Delete: resourceArmNetworkInterfaceApplicationGatewayBackendAddressPoolAssociationDelete,
Importer: &schema.ResourceImporter{
State: schema.ImportStatePassthrough,
},
Schema: map[string]*schema.Schema{
"network_interface_id": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
ValidateFunc: azure.ValidateResourceID,
},
"ip_configuration_name": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
ValidateFunc: validate.NoEmptyStrings,
},
"backend_address_pool_id": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
ValidateFunc: azure.ValidateResourceID,
},
},
}
}
func resourceArmNetworkInterfaceApplicationGatewayBackendAddressPoolAssociationCreate(d *schema.ResourceData, meta interface{}) error {
client := meta.(*ArmClient).ifaceClient
ctx := meta.(*ArmClient).StopContext
log.Printf("[INFO] preparing arguments for Network Interface <-> Application Gateway Backend Address Pool Association creation.")
networkInterfaceId := d.Get("network_interface_id").(string)
ipConfigurationName := d.Get("ip_configuration_name").(string)
backendAddressPoolId := d.Get("backend_address_pool_id").(string)
id, err := parseAzureResourceID(networkInterfaceId)
if err != nil {
return err
}
networkInterfaceName := id.Path["networkInterfaces"]
resourceGroup := id.ResourceGroup
azureRMLockByName(networkInterfaceName, networkInterfaceResourceName)
defer azureRMUnlockByName(networkInterfaceName, networkInterfaceResourceName)
read, err := client.Get(ctx, resourceGroup, networkInterfaceName, "")
if err != nil {
if utils.ResponseWasNotFound(read.Response) {
return fmt.Errorf("Network Interface %q (Resource Group %q) was not found!", networkInterfaceName, resourceGroup)
}
return fmt.Errorf("Error retrieving Network Interface %q (Resource Group %q): %+v", networkInterfaceName, resourceGroup, err)
}
props := read.InterfacePropertiesFormat
if props == nil {
return fmt.Errorf("Error: `properties` was nil for Network Interface %q (Resource Group %q)", networkInterfaceName, resourceGroup)
}
ipConfigs := props.IPConfigurations
if ipConfigs == nil {
return fmt.Errorf("Error: `properties.IPConfigurations` was nil for Network Interface %q (Resource Group %q)", networkInterfaceName, resourceGroup)
}
c := azure.FindNetworkInterfaceIPConfiguration(props.IPConfigurations, ipConfigurationName)
if c == nil {
return fmt.Errorf("Error: IP Configuration %q was not found on Network Interface %q (Resource Group %q)", ipConfigurationName, networkInterfaceName, resourceGroup)
}
config := *c
p := config.InterfaceIPConfigurationPropertiesFormat
if p == nil {
return fmt.Errorf("Error: `IPConfiguration.properties` was nil for Network Interface %q (Resource Group %q)", networkInterfaceName, resourceGroup)
}
pools := make([]network.ApplicationGatewayBackendAddressPool, 0)
// first double-check it doesn't exist
if p.ApplicationGatewayBackendAddressPools != nil {
for _, existingPool := range *p.ApplicationGatewayBackendAddressPools {
if id := existingPool.ID; id != nil {
if *id == backendAddressPoolId {
// TODO: switch to using the common error once https://github.com/terraform-providers/terraform-provider-azurerm/pull/1746 is merged
return fmt.Errorf("A Network Interface <-> Application Gateway Backend Address Pool association exists between %q and %q - please import it!", networkInterfaceId, backendAddressPoolId)
}
pools = append(pools, existingPool)
}
}
}
pool := network.ApplicationGatewayBackendAddressPool{
ID: utils.String(backendAddressPoolId),
}
pools = append(pools, pool)
p.ApplicationGatewayBackendAddressPools = &pools
props.IPConfigurations = azure.UpdateNetworkInterfaceIPConfiguration(config, props.IPConfigurations)
future, err := client.CreateOrUpdate(ctx, resourceGroup, networkInterfaceName, read)
if err != nil {
return fmt.Errorf("Error updating Application Gateway Backend Address Pool Association for Network Interface %q (Resource Group %q): %+v", networkInterfaceName, resourceGroup, err)
}
if err = future.WaitForCompletionRef(ctx, client.Client); err != nil {
return fmt.Errorf("Error waiting for completion of Application Gateway Backend Address Pool Association for NIC %q (Resource Group %q): %+v", networkInterfaceName, resourceGroup, err)
}
resourceId := fmt.Sprintf("%s/ipConfigurations/%s|%s", networkInterfaceId, ipConfigurationName, backendAddressPoolId)
d.SetId(resourceId)
return resourceArmNetworkInterfaceApplicationGatewayBackendAddressPoolAssociationRead(d, meta)
}
func resourceArmNetworkInterfaceApplicationGatewayBackendAddressPoolAssociationRead(d *schema.ResourceData, meta interface{}) error {
client := meta.(*ArmClient).ifaceClient
ctx := meta.(*ArmClient).StopContext
splitId := strings.Split(d.Id(), "|")
if len(splitId) != 2 {
return fmt.Errorf("Expected ID to be in the format {networkInterfaceId}/ipConfigurations/{ipConfigurationName}|{backendAddressPoolId} but got %q", d.Id())
}
nicID, err := parseAzureResourceID(splitId[0])
if err != nil {
return err
}
ipConfigurationName := nicID.Path["ipConfigurations"]
networkInterfaceName := nicID.Path["networkInterfaces"]
resourceGroup := nicID.ResourceGroup
backendAddressPoolId := splitId[1]
read, err := client.Get(ctx, resourceGroup, networkInterfaceName, "")
if err != nil {
if utils.ResponseWasNotFound(read.Response) {
return fmt.Errorf("Network Interface %q (Resource Group %q) was not found!", networkInterfaceName, resourceGroup)
}
return fmt.Errorf("Error retrieving Network Interface %q (Resource Group %q): %+v", networkInterfaceName, resourceGroup, err)
}
nicProps := read.InterfacePropertiesFormat
if nicProps == nil {
return fmt.Errorf("Error: `properties` was nil for Network Interface %q (Resource Group %q)", networkInterfaceName, resourceGroup)
}
ipConfigs := nicProps.IPConfigurations
if ipConfigs == nil {
return fmt.Errorf("Error: `properties.IPConfigurations` was nil for Network Interface %q (Resource Group %q)", networkInterfaceName, resourceGroup)
}
c := azure.FindNetworkInterfaceIPConfiguration(nicProps.IPConfigurations, ipConfigurationName)
if c == nil {
log.Printf("IP Configuration %q was not found in Network Interface %q (Resource Group %q) - removing from state!", ipConfigurationName, networkInterfaceName, resourceGroup)
d.SetId("")
return nil
}
config := *c
found := false
if props := config.InterfaceIPConfigurationPropertiesFormat; props != nil {
if backendPools := props.ApplicationGatewayBackendAddressPools; backendPools != nil {
for _, pool := range *backendPools {
if pool.ID == nil {
continue
}
if *pool.ID == backendAddressPoolId {
found = true
break
}
}
}
}
if !found {
log.Printf("[DEBUG] Association between Network Interface %q (Resource Group %q) and Application Gateway Backend Pool %q was not found - removing from state!", networkInterfaceName, resourceGroup, backendAddressPoolId)
d.SetId("")
return nil
}
d.Set("backend_address_pool_id", backendAddressPoolId)
d.Set("ip_configuration_name", ipConfigurationName)
if id := read.ID; id != nil {
d.Set("network_interface_id", *id)
}
return nil
}
func resourceArmNetworkInterfaceApplicationGatewayBackendAddressPoolAssociationDelete(d *schema.ResourceData, meta interface{}) error {
client := meta.(*ArmClient).ifaceClient
ctx := meta.(*ArmClient).StopContext
splitId := strings.Split(d.Id(), "|")
if len(splitId) != 2 {
return fmt.Errorf("Expected ID to be in the format {networkInterfaceId}/ipConfigurations/{ipConfigurationName}|{backendAddressPoolId} but got %q", d.Id())
}
nicID, err := parseAzureResourceID(splitId[0])
if err != nil {
return err
}
ipConfigurationName := nicID.Path["ipConfigurations"]
networkInterfaceName := nicID.Path["networkInterfaces"]
resourceGroup := nicID.ResourceGroup
backendAddressPoolId := splitId[1]
azureRMLockByName(networkInterfaceName, networkInterfaceResourceName)
defer azureRMUnlockByName(networkInterfaceName, networkInterfaceResourceName)
read, err := client.Get(ctx, resourceGroup, networkInterfaceName, "")
if err != nil {
if utils.ResponseWasNotFound(read.Response) {
return fmt.Errorf("Network Interface %q (Resource Group %q) was not found!", networkInterfaceName, resourceGroup)
}
return fmt.Errorf("Error retrieving Network Interface %q (Resource Group %q): %+v", networkInterfaceName, resourceGroup, err)
}
nicProps := read.InterfacePropertiesFormat
if nicProps == nil {
return fmt.Errorf("Error: `properties` was nil for Network Interface %q (Resource Group %q)", networkInterfaceName, resourceGroup)
}
ipConfigs := nicProps.IPConfigurations
if ipConfigs == nil {
return fmt.Errorf("Error: `properties.IPConfigurations` was nil for Network Interface %q (Resource Group %q)", networkInterfaceName, resourceGroup)
}
c := azure.FindNetworkInterfaceIPConfiguration(nicProps.IPConfigurations, ipConfigurationName)
if c == nil {
return fmt.Errorf("Error: IP Configuration %q was not found on Network Interface %q (Resource Group %q)", ipConfigurationName, networkInterfaceName, resourceGroup)
}
config := *c
props := config.InterfaceIPConfigurationPropertiesFormat
if props == nil {
return fmt.Errorf("Error: Properties for IPConfiguration %q was nil for Network Interface %q (Resource Group %q)", ipConfigurationName, networkInterfaceName, resourceGroup)
}
backendAddressPools := make([]network.ApplicationGatewayBackendAddressPool, 0)
if backendPools := props.ApplicationGatewayBackendAddressPools; backendPools != nil {
for _, pool := range *backendPools {
if pool.ID == nil {
continue
}
if *pool.ID != backendAddressPoolId {
backendAddressPools = append(backendAddressPools, pool)
}
}
}
props.ApplicationGatewayBackendAddressPools = &backendAddressPools
nicProps.IPConfigurations = azure.UpdateNetworkInterfaceIPConfiguration(config, nicProps.IPConfigurations)
future, err := client.CreateOrUpdate(ctx, resourceGroup, networkInterfaceName, read)
if err != nil {
return fmt.Errorf("Error removing Application Gateway Backend Address Pool Association for Network Interface %q (Resource Group %q): %+v", networkInterfaceName, resourceGroup, err)
}
if err = future.WaitForCompletionRef(ctx, client.Client); err != nil {
return fmt.Errorf("Error waiting for removal of Application Gateway Backend Address Pool Association for NIC %q (Resource Group %q): %+v", networkInterfaceName, resourceGroup, err)
}
return nil
}