github.com/aspring/terraform@v0.8.2-0.20161216122603-6a8619a5db2e/builtin/providers/azurerm/resource_arm_loadbalancer_backend_address_pool.go (about)

     1  package azurerm
     2  
     3  import (
     4  	"fmt"
     5  	"log"
     6  	"time"
     7  
     8  	"github.com/Azure/azure-sdk-for-go/arm/network"
     9  	"github.com/hashicorp/errwrap"
    10  	"github.com/hashicorp/terraform/helper/resource"
    11  	"github.com/hashicorp/terraform/helper/schema"
    12  	"github.com/jen20/riviera/azure"
    13  )
    14  
    15  func resourceArmLoadBalancerBackendAddressPool() *schema.Resource {
    16  	return &schema.Resource{
    17  		Create: resourceArmLoadBalancerBackendAddressPoolCreate,
    18  		Read:   resourceArmLoadBalancerBackendAddressPoolRead,
    19  		Delete: resourceArmLoadBalancerBackendAddressPoolDelete,
    20  
    21  		Schema: map[string]*schema.Schema{
    22  			"name": {
    23  				Type:     schema.TypeString,
    24  				Required: true,
    25  				ForceNew: true,
    26  			},
    27  
    28  			"location": locationSchema(),
    29  
    30  			"resource_group_name": {
    31  				Type:     schema.TypeString,
    32  				Required: true,
    33  				ForceNew: true,
    34  			},
    35  
    36  			"loadbalancer_id": {
    37  				Type:     schema.TypeString,
    38  				Required: true,
    39  				ForceNew: true,
    40  			},
    41  
    42  			"backend_ip_configurations": {
    43  				Type:     schema.TypeSet,
    44  				Computed: true,
    45  				Elem:     &schema.Schema{Type: schema.TypeString},
    46  				Set:      schema.HashString,
    47  			},
    48  
    49  			"load_balancing_rules": {
    50  				Type:     schema.TypeSet,
    51  				Computed: true,
    52  				Elem:     &schema.Schema{Type: schema.TypeString},
    53  				Set:      schema.HashString,
    54  			},
    55  		},
    56  	}
    57  }
    58  
    59  func resourceArmLoadBalancerBackendAddressPoolCreate(d *schema.ResourceData, meta interface{}) error {
    60  	client := meta.(*ArmClient)
    61  	lbClient := client.loadBalancerClient
    62  
    63  	loadBalancerID := d.Get("loadbalancer_id").(string)
    64  	armMutexKV.Lock(loadBalancerID)
    65  	defer armMutexKV.Unlock(loadBalancerID)
    66  
    67  	loadBalancer, exists, err := retrieveLoadBalancerById(loadBalancerID, meta)
    68  	if err != nil {
    69  		return errwrap.Wrapf("Error Getting LoadBalancer By ID {{err}}", err)
    70  	}
    71  	if !exists {
    72  		d.SetId("")
    73  		log.Printf("[INFO] LoadBalancer %q not found. Removing from state", d.Get("name").(string))
    74  		return nil
    75  	}
    76  
    77  	_, _, exists = findLoadBalancerBackEndAddressPoolByName(loadBalancer, d.Get("name").(string))
    78  	if exists {
    79  		return fmt.Errorf("A BackEnd Address Pool with name %q already exists.", d.Get("name").(string))
    80  	}
    81  
    82  	backendAddressPools := append(*loadBalancer.LoadBalancerPropertiesFormat.BackendAddressPools, expandAzureRmLoadBalancerBackendAddressPools(d))
    83  	loadBalancer.LoadBalancerPropertiesFormat.BackendAddressPools = &backendAddressPools
    84  	resGroup, loadBalancerName, err := resourceGroupAndLBNameFromId(d.Get("loadbalancer_id").(string))
    85  	if err != nil {
    86  		return errwrap.Wrapf("Error Getting LoadBalancer Name and Group: {{err}}", err)
    87  	}
    88  
    89  	_, err = lbClient.CreateOrUpdate(resGroup, loadBalancerName, *loadBalancer, make(chan struct{}))
    90  	if err != nil {
    91  		return errwrap.Wrapf("Error Creating/Updating LoadBalancer {{err}}", err)
    92  	}
    93  
    94  	read, err := lbClient.Get(resGroup, loadBalancerName, "")
    95  	if err != nil {
    96  		return errwrap.Wrapf("Error Getting LoadBalancer {{err}}", err)
    97  	}
    98  	if read.ID == nil {
    99  		return fmt.Errorf("Cannot read LoadBalancer %s (resource group %s) ID", loadBalancerName, resGroup)
   100  	}
   101  
   102  	var pool_id string
   103  	for _, BackendAddressPool := range *(*read.LoadBalancerPropertiesFormat).BackendAddressPools {
   104  		if *BackendAddressPool.Name == d.Get("name").(string) {
   105  			pool_id = *BackendAddressPool.ID
   106  		}
   107  	}
   108  
   109  	if pool_id != "" {
   110  		d.SetId(pool_id)
   111  	} else {
   112  		return fmt.Errorf("Cannot find created LoadBalancer Backend Address Pool ID %q", pool_id)
   113  	}
   114  
   115  	log.Printf("[DEBUG] Waiting for LoadBalancer (%s) to become available", loadBalancerName)
   116  	stateConf := &resource.StateChangeConf{
   117  		Pending: []string{"Accepted", "Updating"},
   118  		Target:  []string{"Succeeded"},
   119  		Refresh: loadbalancerStateRefreshFunc(client, resGroup, loadBalancerName),
   120  		Timeout: 10 * time.Minute,
   121  	}
   122  	if _, err := stateConf.WaitForState(); err != nil {
   123  		return fmt.Errorf("Error waiting for LoadBalancer (%s) to become available: %s", loadBalancerName, err)
   124  	}
   125  
   126  	return resourceArmLoadBalancerBackendAddressPoolRead(d, meta)
   127  }
   128  
   129  func resourceArmLoadBalancerBackendAddressPoolRead(d *schema.ResourceData, meta interface{}) error {
   130  	loadBalancer, exists, err := retrieveLoadBalancerById(d.Get("loadbalancer_id").(string), meta)
   131  	if err != nil {
   132  		return errwrap.Wrapf("Error Getting LoadBalancer By ID {{err}}", err)
   133  	}
   134  	if !exists {
   135  		d.SetId("")
   136  		log.Printf("[INFO] LoadBalancer %q not found. Removing from state", d.Get("name").(string))
   137  		return nil
   138  	}
   139  
   140  	configs := *loadBalancer.LoadBalancerPropertiesFormat.BackendAddressPools
   141  	for _, config := range configs {
   142  		if *config.Name == d.Get("name").(string) {
   143  			d.Set("name", config.Name)
   144  
   145  			if config.BackendAddressPoolPropertiesFormat.BackendIPConfigurations != nil {
   146  				backend_ip_configurations := make([]string, 0, len(*config.BackendAddressPoolPropertiesFormat.BackendIPConfigurations))
   147  				for _, backendConfig := range *config.BackendAddressPoolPropertiesFormat.BackendIPConfigurations {
   148  					backend_ip_configurations = append(backend_ip_configurations, *backendConfig.ID)
   149  				}
   150  
   151  				d.Set("backend_ip_configurations", backend_ip_configurations)
   152  			}
   153  
   154  			if config.BackendAddressPoolPropertiesFormat.LoadBalancingRules != nil {
   155  				load_balancing_rules := make([]string, 0, len(*config.BackendAddressPoolPropertiesFormat.LoadBalancingRules))
   156  				for _, rule := range *config.BackendAddressPoolPropertiesFormat.LoadBalancingRules {
   157  					load_balancing_rules = append(load_balancing_rules, *rule.ID)
   158  				}
   159  
   160  				d.Set("backend_ip_configurations", load_balancing_rules)
   161  			}
   162  
   163  			break
   164  		}
   165  	}
   166  
   167  	return nil
   168  }
   169  
   170  func resourceArmLoadBalancerBackendAddressPoolDelete(d *schema.ResourceData, meta interface{}) error {
   171  	client := meta.(*ArmClient)
   172  	lbClient := client.loadBalancerClient
   173  
   174  	loadBalancerID := d.Get("loadbalancer_id").(string)
   175  	armMutexKV.Lock(loadBalancerID)
   176  	defer armMutexKV.Unlock(loadBalancerID)
   177  
   178  	loadBalancer, exists, err := retrieveLoadBalancerById(loadBalancerID, meta)
   179  	if err != nil {
   180  		return errwrap.Wrapf("Error Getting LoadBalancer By ID {{err}}", err)
   181  	}
   182  	if !exists {
   183  		d.SetId("")
   184  		return nil
   185  	}
   186  
   187  	_, index, exists := findLoadBalancerBackEndAddressPoolByName(loadBalancer, d.Get("name").(string))
   188  	if !exists {
   189  		return nil
   190  	}
   191  
   192  	oldBackEndPools := *loadBalancer.LoadBalancerPropertiesFormat.BackendAddressPools
   193  	newBackEndPools := append(oldBackEndPools[:index], oldBackEndPools[index+1:]...)
   194  	loadBalancer.LoadBalancerPropertiesFormat.BackendAddressPools = &newBackEndPools
   195  
   196  	resGroup, loadBalancerName, err := resourceGroupAndLBNameFromId(d.Get("loadbalancer_id").(string))
   197  	if err != nil {
   198  		return errwrap.Wrapf("Error Getting LoadBalancer Name and Group: {{err}}", err)
   199  	}
   200  
   201  	_, err = lbClient.CreateOrUpdate(resGroup, loadBalancerName, *loadBalancer, make(chan struct{}))
   202  	if err != nil {
   203  		return errwrap.Wrapf("Error Creating/Updating LoadBalancer {{err}}", err)
   204  	}
   205  
   206  	read, err := lbClient.Get(resGroup, loadBalancerName, "")
   207  	if err != nil {
   208  		return errwrap.Wrapf("Error Getting LoadBalancer {{err}}", err)
   209  	}
   210  	if read.ID == nil {
   211  		return fmt.Errorf("Cannot read LoadBalancer %s (resource group %s) ID", loadBalancerName, resGroup)
   212  	}
   213  
   214  	return nil
   215  }
   216  
   217  func expandAzureRmLoadBalancerBackendAddressPools(d *schema.ResourceData) network.BackendAddressPool {
   218  	return network.BackendAddressPool{
   219  		Name: azure.String(d.Get("name").(string)),
   220  	}
   221  }