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resource_compute_network.go
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resource_compute_network.go
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package google
import (
"fmt"
"log"
"github.com/hashicorp/terraform/helper/schema"
"google.golang.org/api/compute/v1"
"google.golang.org/api/googleapi"
)
func resourceComputeNetwork() *schema.Resource {
return &schema.Resource{
Create: resourceComputeNetworkCreate,
Read: resourceComputeNetworkRead,
Delete: resourceComputeNetworkDelete,
Schema: map[string]*schema.Schema{
"name": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"auto_create_subnetworks": &schema.Schema{
Type: schema.TypeBool,
Optional: true,
ForceNew: true,
/* Ideally this would default to true as per the API, but that would cause
existing Terraform configs which have not been updated to report this as
a change. Perhaps we can bump this for a minor release bump rather than
a point release.
Default: false, */
ConflictsWith: []string{"ipv4_range"},
},
"description": &schema.Schema{
Type: schema.TypeString,
Optional: true,
ForceNew: true,
},
"gateway_ipv4": &schema.Schema{
Type: schema.TypeString,
Computed: true,
},
"ipv4_range": &schema.Schema{
Type: schema.TypeString,
Optional: true,
ForceNew: true,
Deprecated: "Please use google_compute_subnetwork resources instead.",
},
"project": &schema.Schema{
Type: schema.TypeString,
Optional: true,
ForceNew: true,
},
"self_link": &schema.Schema{
Type: schema.TypeString,
Computed: true,
},
},
}
}
func resourceComputeNetworkCreate(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
project, err := getProject(d, config)
if err != nil {
return err
}
//
// Possible modes:
// - 1 Legacy mode - Create a network in the legacy mode. ipv4_range is set. auto_create_subnetworks must not be
// set (enforced by ConflictsWith schema attribute)
// - 2 Distributed Mode - Create a new generation network that supports subnetworks:
// - 2.a - Auto subnet mode - auto_create_subnetworks = true, Google will generate 1 subnetwork per region
// - 2.b - Custom subnet mode - auto_create_subnetworks = false & ipv4_range not set,
//
autoCreateSubnetworks := d.Get("auto_create_subnetworks").(bool)
// Build the network parameter
network := &compute.Network{
Name: d.Get("name").(string),
AutoCreateSubnetworks: autoCreateSubnetworks,
Description: d.Get("description").(string),
}
if v, ok := d.GetOk("ipv4_range"); ok {
log.Printf("[DEBUG] Setting IPv4Range (%#v) for legacy network mode", v.(string))
network.IPv4Range = v.(string)
} else {
// custom subnet mode, so make sure AutoCreateSubnetworks field is included in request otherwise
// google will create a network in legacy mode.
network.ForceSendFields = []string{"AutoCreateSubnetworks"}
}
log.Printf("[DEBUG] Network insert request: %#v", network)
op, err := config.clientCompute.Networks.Insert(
project, network).Do()
if err != nil {
return fmt.Errorf("Error creating network: %s", err)
}
// It probably maybe worked, so store the ID now
d.SetId(network.Name)
err = computeOperationWaitGlobal(config, op, "Creating Network")
if err != nil {
return err
}
return resourceComputeNetworkRead(d, meta)
}
func resourceComputeNetworkRead(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
project, err := getProject(d, config)
if err != nil {
return err
}
network, err := config.clientCompute.Networks.Get(
project, d.Id()).Do()
if err != nil {
if gerr, ok := err.(*googleapi.Error); ok && gerr.Code == 404 {
log.Printf("[WARN] Removing Network %q because it's gone", d.Get("name").(string))
// The resource doesn't exist anymore
d.SetId("")
return nil
}
return fmt.Errorf("Error reading network: %s", err)
}
d.Set("gateway_ipv4", network.GatewayIPv4)
d.Set("self_link", network.SelfLink)
return nil
}
func resourceComputeNetworkDelete(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
project, err := getProject(d, config)
if err != nil {
return err
}
// Delete the network
op, err := config.clientCompute.Networks.Delete(
project, d.Id()).Do()
if err != nil {
return fmt.Errorf("Error deleting network: %s", err)
}
err = computeOperationWaitGlobal(config, op, "Deleting Network")
if err != nil {
return err
}
d.SetId("")
return nil
}