package azurerm import ( "fmt" "log" "time" "github.com/Azure/azure-sdk-for-go/arm/network" "github.com/hashicorp/errwrap" "github.com/hashicorp/terraform/helper/resource" "github.com/hashicorp/terraform/helper/schema" "github.com/jen20/riviera/azure" ) func resourceArmLoadBalancerNatPool() *schema.Resource { return &schema.Resource{ Create: resourceArmLoadBalancerNatPoolCreate, Read: resourceArmLoadBalancerNatPoolRead, Update: resourceArmLoadBalancerNatPoolCreate, Delete: resourceArmLoadBalancerNatPoolDelete, Schema: map[string]*schema.Schema{ "name": { Type: schema.TypeString, Required: true, ForceNew: true, }, "location": locationSchema(), "resource_group_name": { Type: schema.TypeString, Required: true, ForceNew: true, }, "loadbalancer_id": { Type: schema.TypeString, Required: true, ForceNew: true, }, "protocol": { Type: schema.TypeString, Required: true, }, "frontend_port_start": { Type: schema.TypeInt, Required: true, }, "frontend_port_end": { Type: schema.TypeInt, Required: true, }, "backend_port": { Type: schema.TypeInt, Required: true, }, "frontend_ip_configuration_name": { Type: schema.TypeString, Required: true, }, "frontend_ip_configuration_id": { Type: schema.TypeString, Computed: true, }, }, } } func resourceArmLoadBalancerNatPoolCreate(d *schema.ResourceData, meta interface{}) error { client := meta.(*ArmClient) lbClient := client.loadBalancerClient 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 } newNatPool, err := expandAzureRmLoadBalancerNatPool(d, loadBalancer) if err != nil { return errwrap.Wrapf("Error Expanding NAT Pool {{err}}", err) } natPools := append(*loadBalancer.LoadBalancerPropertiesFormat.InboundNatPools, *newNatPool) existingNatPool, existingNatPoolIndex, exists := findLoadBalancerNatPoolByName(loadBalancer, d.Get("name").(string)) if exists { if d.Get("name").(string) == *existingNatPool.Name { // this probe is being updated/reapplied remove old copy from the slice natPools = append(natPools[:existingNatPoolIndex], natPools[existingNatPoolIndex+1:]...) } } loadBalancer.LoadBalancerPropertiesFormat.InboundNatPools = &natPools resGroup, loadBalancerName, err := resourceGroupAndLBNameFromId(d.Get("loadbalancer_id").(string)) if err != nil { return errwrap.Wrapf("Error Getting LoadBalancer Name and Group: {{err}}", err) } _, err = lbClient.CreateOrUpdate(resGroup, loadBalancerName, *loadBalancer, make(chan struct{})) if err != nil { return errwrap.Wrapf("Error Creating/Updating LoadBalancer {{err}}", err) } read, err := lbClient.Get(resGroup, loadBalancerName, "") if err != nil { return errwrap.Wrapf("Error Getting LoadBalancer {{err}}", err) } if read.ID == nil { return fmt.Errorf("Cannot read LoadBalancer %s (resource group %s) ID", loadBalancerName, resGroup) } var natPool_id string for _, InboundNatPool := range *(*read.LoadBalancerPropertiesFormat).InboundNatPools { if *InboundNatPool.Name == d.Get("name").(string) { natPool_id = *InboundNatPool.ID } } if natPool_id != "" { d.SetId(natPool_id) } else { return fmt.Errorf("Cannot find created LoadBalancer NAT Pool ID %q", natPool_id) } log.Printf("[DEBUG] Waiting for LoadBalancer (%s) to become available", loadBalancerName) stateConf := &resource.StateChangeConf{ Pending: []string{"Accepted", "Updating"}, Target: []string{"Succeeded"}, Refresh: loadbalancerStateRefreshFunc(client, resGroup, loadBalancerName), Timeout: 10 * time.Minute, } if _, err := stateConf.WaitForState(); err != nil { return fmt.Errorf("Error waiting for LoadBalancer (%s) to become available: %s", loadBalancerName, err) } return resourceArmLoadBalancerNatPoolRead(d, meta) } func resourceArmLoadBalancerNatPoolRead(d *schema.ResourceData, meta interface{}) error { loadBalancer, exists, err := retrieveLoadBalancerById(d.Get("loadbalancer_id").(string), 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 } config, _, exists := findLoadBalancerNatPoolByName(loadBalancer, d.Get("name").(string)) if !exists { d.SetId("") log.Printf("[INFO] LoadBalancer Nat Pool %q not found. Removing from state", d.Get("name").(string)) return nil } d.Set("name", config.Name) d.Set("protocol", config.InboundNatPoolPropertiesFormat.Protocol) d.Set("frontend_port_start", config.InboundNatPoolPropertiesFormat.FrontendPortRangeStart) d.Set("frontend_port_end", config.InboundNatPoolPropertiesFormat.FrontendPortRangeEnd) d.Set("backend_port", config.InboundNatPoolPropertiesFormat.BackendPort) if config.InboundNatPoolPropertiesFormat.FrontendIPConfiguration != nil { d.Set("frontend_ip_configuration_id", config.InboundNatPoolPropertiesFormat.FrontendIPConfiguration.ID) } return nil } func resourceArmLoadBalancerNatPoolDelete(d *schema.ResourceData, meta interface{}) error { client := meta.(*ArmClient) lbClient := client.loadBalancerClient 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("") return nil } _, index, exists := findLoadBalancerNatPoolByName(loadBalancer, d.Get("name").(string)) if !exists { return nil } oldNatPools := *loadBalancer.LoadBalancerPropertiesFormat.InboundNatPools newNatPools := append(oldNatPools[:index], oldNatPools[index+1:]...) loadBalancer.LoadBalancerPropertiesFormat.InboundNatPools = &newNatPools resGroup, loadBalancerName, err := resourceGroupAndLBNameFromId(d.Get("loadbalancer_id").(string)) if err != nil { return errwrap.Wrapf("Error Getting LoadBalancer Name and Group: {{err}}", err) } _, err = lbClient.CreateOrUpdate(resGroup, loadBalancerName, *loadBalancer, make(chan struct{})) if err != nil { return errwrap.Wrapf("Error Creating/Updating LoadBalancer {{err}}", err) } read, err := lbClient.Get(resGroup, loadBalancerName, "") if err != nil { return errwrap.Wrapf("Error Getting LoadBalancer {{err}}", err) } if read.ID == nil { return fmt.Errorf("Cannot read LoadBalancer %s (resource group %s) ID", loadBalancerName, resGroup) } return nil } func expandAzureRmLoadBalancerNatPool(d *schema.ResourceData, lb *network.LoadBalancer) (*network.InboundNatPool, error) { properties := network.InboundNatPoolPropertiesFormat{ Protocol: network.TransportProtocol(d.Get("protocol").(string)), FrontendPortRangeStart: azure.Int32(int32(d.Get("frontend_port_start").(int))), FrontendPortRangeEnd: azure.Int32(int32(d.Get("frontend_port_end").(int))), BackendPort: azure.Int32(int32(d.Get("backend_port").(int))), } if v := d.Get("frontend_ip_configuration_name").(string); v != "" { rule, _, exists := findLoadBalancerFrontEndIpConfigurationByName(lb, v) if !exists { return nil, fmt.Errorf("[ERROR] Cannot find FrontEnd IP Configuration with the name %s", v) } feip := network.SubResource{ ID: rule.ID, } properties.FrontendIPConfiguration = &feip } natPool := network.InboundNatPool{ Name: azure.String(d.Get("name").(string)), InboundNatPoolPropertiesFormat: &properties, } return &natPool, nil }