github.com/koding/terraform@v0.6.4-0.20170608090606-5d7e0339779d/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  		Importer: &schema.ResourceImporter{
    21  			State: loadBalancerSubResourceStateImporter,
    22  		},
    23  
    24  		Schema: map[string]*schema.Schema{
    25  			"name": {
    26  				Type:     schema.TypeString,
    27  				Required: true,
    28  				ForceNew: true,
    29  			},
    30  
    31  			"location": deprecatedLocationSchema(),
    32  
    33  			"resource_group_name": {
    34  				Type:     schema.TypeString,
    35  				Required: true,
    36  				ForceNew: true,
    37  			},
    38  
    39  			"loadbalancer_id": {
    40  				Type:     schema.TypeString,
    41  				Required: true,
    42  				ForceNew: true,
    43  			},
    44  
    45  			"backend_ip_configurations": {
    46  				Type:     schema.TypeSet,
    47  				Computed: true,
    48  				Elem:     &schema.Schema{Type: schema.TypeString},
    49  				Set:      schema.HashString,
    50  			},
    51  
    52  			"load_balancing_rules": {
    53  				Type:     schema.TypeSet,
    54  				Computed: true,
    55  				Elem:     &schema.Schema{Type: schema.TypeString},
    56  				Set:      schema.HashString,
    57  			},
    58  		},
    59  	}
    60  }
    61  
    62  func resourceArmLoadBalancerBackendAddressPoolCreate(d *schema.ResourceData, meta interface{}) error {
    63  	client := meta.(*ArmClient)
    64  	lbClient := client.loadBalancerClient
    65  
    66  	loadBalancerID := d.Get("loadbalancer_id").(string)
    67  	armMutexKV.Lock(loadBalancerID)
    68  	defer armMutexKV.Unlock(loadBalancerID)
    69  
    70  	loadBalancer, exists, err := retrieveLoadBalancerById(loadBalancerID, meta)
    71  	if err != nil {
    72  		return errwrap.Wrapf("Error Getting LoadBalancer By ID {{err}}", err)
    73  	}
    74  	if !exists {
    75  		d.SetId("")
    76  		log.Printf("[INFO] LoadBalancer %q not found. Removing from state", d.Get("name").(string))
    77  		return nil
    78  	}
    79  
    80  	backendAddressPools := append(*loadBalancer.LoadBalancerPropertiesFormat.BackendAddressPools, expandAzureRmLoadBalancerBackendAddressPools(d))
    81  	existingPool, existingPoolIndex, exists := findLoadBalancerBackEndAddressPoolByName(loadBalancer, d.Get("name").(string))
    82  	if exists {
    83  		if d.Get("name").(string) == *existingPool.Name {
    84  			// this pool is being updated/reapplied remove old copy from the slice
    85  			backendAddressPools = append(backendAddressPools[:existingPoolIndex], backendAddressPools[existingPoolIndex+1:]...)
    86  		}
    87  	}
    88  
    89  	loadBalancer.LoadBalancerPropertiesFormat.BackendAddressPools = &backendAddressPools
    90  	resGroup, loadBalancerName, err := resourceGroupAndLBNameFromId(d.Get("loadbalancer_id").(string))
    91  	if err != nil {
    92  		return errwrap.Wrapf("Error Getting LoadBalancer Name and Group: {{err}}", err)
    93  	}
    94  
    95  	_, error := lbClient.CreateOrUpdate(resGroup, loadBalancerName, *loadBalancer, make(chan struct{}))
    96  	err = <-error
    97  	if err != nil {
    98  		return errwrap.Wrapf("Error Creating/Updating LoadBalancer {{err}}", err)
    99  	}
   100  
   101  	read, err := lbClient.Get(resGroup, loadBalancerName, "")
   102  	if err != nil {
   103  		return errwrap.Wrapf("Error Getting LoadBalancer {{err}}", err)
   104  	}
   105  	if read.ID == nil {
   106  		return fmt.Errorf("Cannot read LoadBalancer %s (resource group %s) ID", loadBalancerName, resGroup)
   107  	}
   108  
   109  	var pool_id string
   110  	for _, BackendAddressPool := range *(*read.LoadBalancerPropertiesFormat).BackendAddressPools {
   111  		if *BackendAddressPool.Name == d.Get("name").(string) {
   112  			pool_id = *BackendAddressPool.ID
   113  		}
   114  	}
   115  
   116  	if pool_id != "" {
   117  		d.SetId(pool_id)
   118  	} else {
   119  		return fmt.Errorf("Cannot find created LoadBalancer Backend Address Pool ID %q", pool_id)
   120  	}
   121  
   122  	log.Printf("[DEBUG] Waiting for LoadBalancer (%s) to become available", loadBalancerName)
   123  	stateConf := &resource.StateChangeConf{
   124  		Pending: []string{"Accepted", "Updating"},
   125  		Target:  []string{"Succeeded"},
   126  		Refresh: loadbalancerStateRefreshFunc(client, resGroup, loadBalancerName),
   127  		Timeout: 10 * time.Minute,
   128  	}
   129  	if _, err := stateConf.WaitForState(); err != nil {
   130  		return fmt.Errorf("Error waiting for LoadBalancer (%s) to become available: %s", loadBalancerName, err)
   131  	}
   132  
   133  	return resourceArmLoadBalancerBackendAddressPoolRead(d, meta)
   134  }
   135  
   136  func resourceArmLoadBalancerBackendAddressPoolRead(d *schema.ResourceData, meta interface{}) error {
   137  	id, err := parseAzureResourceID(d.Id())
   138  	if err != nil {
   139  		return err
   140  	}
   141  	name := id.Path["backendAddressPools"]
   142  
   143  	loadBalancer, exists, err := retrieveLoadBalancerById(d.Get("loadbalancer_id").(string), meta)
   144  	if err != nil {
   145  		return errwrap.Wrapf("Error Getting LoadBalancer By ID {{err}}", err)
   146  	}
   147  	if !exists {
   148  		d.SetId("")
   149  		log.Printf("[INFO] LoadBalancer %q not found. Removing from state", name)
   150  		return nil
   151  	}
   152  
   153  	config, _, exists := findLoadBalancerBackEndAddressPoolByName(loadBalancer, name)
   154  	if !exists {
   155  		d.SetId("")
   156  		log.Printf("[INFO] LoadBalancer Backend Address Pool %q not found. Removing from state", name)
   157  		return nil
   158  	}
   159  
   160  	d.Set("name", config.Name)
   161  	d.Set("resource_group_name", id.ResourceGroup)
   162  
   163  	var backend_ip_configurations []string
   164  	if config.BackendAddressPoolPropertiesFormat.BackendIPConfigurations != nil {
   165  		for _, backendConfig := range *config.BackendAddressPoolPropertiesFormat.BackendIPConfigurations {
   166  			backend_ip_configurations = append(backend_ip_configurations, *backendConfig.ID)
   167  		}
   168  
   169  	}
   170  	d.Set("backend_ip_configurations", backend_ip_configurations)
   171  
   172  	var load_balancing_rules []string
   173  	if config.BackendAddressPoolPropertiesFormat.LoadBalancingRules != nil {
   174  		for _, rule := range *config.BackendAddressPoolPropertiesFormat.LoadBalancingRules {
   175  			load_balancing_rules = append(load_balancing_rules, *rule.ID)
   176  		}
   177  	}
   178  	d.Set("load_balancing_rules", load_balancing_rules)
   179  
   180  	return nil
   181  }
   182  
   183  func resourceArmLoadBalancerBackendAddressPoolDelete(d *schema.ResourceData, meta interface{}) error {
   184  	client := meta.(*ArmClient)
   185  	lbClient := client.loadBalancerClient
   186  
   187  	loadBalancerID := d.Get("loadbalancer_id").(string)
   188  	armMutexKV.Lock(loadBalancerID)
   189  	defer armMutexKV.Unlock(loadBalancerID)
   190  
   191  	loadBalancer, exists, err := retrieveLoadBalancerById(loadBalancerID, meta)
   192  	if err != nil {
   193  		return errwrap.Wrapf("Error Getting LoadBalancer By ID {{err}}", err)
   194  	}
   195  	if !exists {
   196  		d.SetId("")
   197  		return nil
   198  	}
   199  
   200  	_, index, exists := findLoadBalancerBackEndAddressPoolByName(loadBalancer, d.Get("name").(string))
   201  	if !exists {
   202  		return nil
   203  	}
   204  
   205  	oldBackEndPools := *loadBalancer.LoadBalancerPropertiesFormat.BackendAddressPools
   206  	newBackEndPools := append(oldBackEndPools[:index], oldBackEndPools[index+1:]...)
   207  	loadBalancer.LoadBalancerPropertiesFormat.BackendAddressPools = &newBackEndPools
   208  
   209  	resGroup, loadBalancerName, err := resourceGroupAndLBNameFromId(d.Get("loadbalancer_id").(string))
   210  	if err != nil {
   211  		return errwrap.Wrapf("Error Getting LoadBalancer Name and Group: {{err}}", err)
   212  	}
   213  
   214  	_, error := lbClient.CreateOrUpdate(resGroup, loadBalancerName, *loadBalancer, make(chan struct{}))
   215  	err = <-error
   216  	if err != nil {
   217  		return errwrap.Wrapf("Error Creating/Updating LoadBalancer {{err}}", err)
   218  	}
   219  
   220  	read, err := lbClient.Get(resGroup, loadBalancerName, "")
   221  	if err != nil {
   222  		return errwrap.Wrapf("Error Getting LoadBalancer {{err}}", err)
   223  	}
   224  	if read.ID == nil {
   225  		return fmt.Errorf("Cannot read LoadBalancer %s (resource group %s) ID", loadBalancerName, resGroup)
   226  	}
   227  
   228  	return nil
   229  }
   230  
   231  func expandAzureRmLoadBalancerBackendAddressPools(d *schema.ResourceData) network.BackendAddressPool {
   232  	return network.BackendAddressPool{
   233  		Name: azure.String(d.Get("name").(string)),
   234  	}
   235  }