github.com/subuk/terraform@v0.6.14-0.20160317140351-de1567c2e732/builtin/providers/google/resource_compute_network.go (about)

     1  package google
     2  
     3  import (
     4  	"fmt"
     5  	"log"
     6  
     7  	"github.com/hashicorp/terraform/helper/schema"
     8  	"google.golang.org/api/compute/v1"
     9  	"google.golang.org/api/googleapi"
    10  )
    11  
    12  func resourceComputeNetwork() *schema.Resource {
    13  	return &schema.Resource{
    14  		Create: resourceComputeNetworkCreate,
    15  		Read:   resourceComputeNetworkRead,
    16  		Delete: resourceComputeNetworkDelete,
    17  
    18  		Schema: map[string]*schema.Schema{
    19  			"name": &schema.Schema{
    20  				Type:     schema.TypeString,
    21  				Required: true,
    22  				ForceNew: true,
    23  			},
    24  
    25  			"ipv4_range": &schema.Schema{
    26  				Type:       schema.TypeString,
    27  				Optional:   true,
    28  				ForceNew:   true,
    29  				Deprecated: "Please use google_compute_subnetwork resources instead.",
    30  			},
    31  
    32  			"gateway_ipv4": &schema.Schema{
    33  				Type:     schema.TypeString,
    34  				Computed: true,
    35  			},
    36  
    37  			"auto_create_subnetworks": &schema.Schema{
    38  				Type:     schema.TypeBool,
    39  				Optional: true,
    40  				ForceNew: true,
    41  				/* Ideally this would default to true as per the API, but that would cause
    42  				   existing Terraform configs which have not been updated to report this as
    43  				   a change. Perhaps we can bump this for a minor release bump rather than
    44  				   a point release.
    45  				Default: false, */
    46  				ConflictsWith: []string{"ipv4_range"},
    47  			},
    48  
    49  			"description": &schema.Schema{
    50  				Type:     schema.TypeString,
    51  				Optional: true,
    52  				ForceNew: true,
    53  			},
    54  
    55  			"self_link": &schema.Schema{
    56  				Type:     schema.TypeString,
    57  				Computed: true,
    58  			},
    59  		},
    60  	}
    61  }
    62  
    63  func resourceComputeNetworkCreate(d *schema.ResourceData, meta interface{}) error {
    64  	config := meta.(*Config)
    65  
    66  	//
    67  	// Possible modes:
    68  	// - 1 Legacy mode - Create a network in the legacy mode. ipv4_range is set. auto_create_subnetworks must not be
    69  	//     set (enforced by ConflictsWith schema attribute)
    70  	// - 2 Distributed Mode - Create a new generation network that supports subnetworks:
    71  	//   - 2.a - Auto subnet mode - auto_create_subnetworks = true, Google will generate 1 subnetwork per region
    72  	//   - 2.b - Custom subnet mode - auto_create_subnetworks = false & ipv4_range not set,
    73  	//
    74  	autoCreateSubnetworks := d.Get("auto_create_subnetworks").(bool)
    75  
    76  	// Build the network parameter
    77  	network := &compute.Network{
    78  		Name: d.Get("name").(string),
    79  		AutoCreateSubnetworks: autoCreateSubnetworks,
    80  		Description:           d.Get("description").(string),
    81  	}
    82  
    83  	if v, ok := d.GetOk("ipv4_range"); ok {
    84  		log.Printf("[DEBUG] Setting IPv4Range (%#v) for legacy network mode", v.(string))
    85  		network.IPv4Range = v.(string)
    86  	} else {
    87  		// custom subnet mode, so make sure AutoCreateSubnetworks field is included in request otherwise
    88  		// google will create a network in legacy mode.
    89  		network.ForceSendFields = []string{"AutoCreateSubnetworks"}
    90  	}
    91  
    92  	log.Printf("[DEBUG] Network insert request: %#v", network)
    93  	op, err := config.clientCompute.Networks.Insert(
    94  		config.Project, network).Do()
    95  	if err != nil {
    96  		return fmt.Errorf("Error creating network: %s", err)
    97  	}
    98  
    99  	// It probably maybe worked, so store the ID now
   100  	d.SetId(network.Name)
   101  
   102  	err = computeOperationWaitGlobal(config, op, "Creating Network")
   103  	if err != nil {
   104  		return err
   105  	}
   106  
   107  	return resourceComputeNetworkRead(d, meta)
   108  }
   109  
   110  func resourceComputeNetworkRead(d *schema.ResourceData, meta interface{}) error {
   111  	config := meta.(*Config)
   112  
   113  	network, err := config.clientCompute.Networks.Get(
   114  		config.Project, d.Id()).Do()
   115  	if err != nil {
   116  		if gerr, ok := err.(*googleapi.Error); ok && gerr.Code == 404 {
   117  			log.Printf("[WARN] Removing Network %q because it's gone", d.Get("name").(string))
   118  			// The resource doesn't exist anymore
   119  			d.SetId("")
   120  
   121  			return nil
   122  		}
   123  
   124  		return fmt.Errorf("Error reading network: %s", err)
   125  	}
   126  
   127  	d.Set("gateway_ipv4", network.GatewayIPv4)
   128  	d.Set("self_link", network.SelfLink)
   129  
   130  	return nil
   131  }
   132  
   133  func resourceComputeNetworkDelete(d *schema.ResourceData, meta interface{}) error {
   134  	config := meta.(*Config)
   135  
   136  	// Delete the network
   137  	op, err := config.clientCompute.Networks.Delete(
   138  		config.Project, d.Id()).Do()
   139  	if err != nil {
   140  		return fmt.Errorf("Error deleting network: %s", err)
   141  	}
   142  
   143  	err = computeOperationWaitGlobal(config, op, "Deleting Network")
   144  	if err != nil {
   145  		return err
   146  	}
   147  
   148  	d.SetId("")
   149  	return nil
   150  }