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resource_arm_subnet.go
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resource_arm_subnet.go
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package azurerm
import (
"fmt"
"log"
"net/http"
"time"
"github.com/Azure/azure-sdk-for-go/arm/network"
"github.com/hashicorp/terraform/helper/resource"
"github.com/hashicorp/terraform/helper/schema"
)
func resourceArmSubnet() *schema.Resource {
return &schema.Resource{
Create: resourceArmSubnetCreate,
Read: resourceArmSubnetRead,
Update: resourceArmSubnetCreate,
Delete: resourceArmSubnetDelete,
Schema: map[string]*schema.Schema{
"name": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"resource_group_name": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"virtual_network_name": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"address_prefix": &schema.Schema{
Type: schema.TypeString,
Required: true,
},
"network_security_group_id": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Computed: true,
},
"route_table_id": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Computed: true,
},
"ip_configurations": &schema.Schema{
Type: schema.TypeSet,
Optional: true,
Computed: true,
Elem: &schema.Schema{Type: schema.TypeString},
Set: schema.HashString,
},
},
}
}
func resourceArmSubnetCreate(d *schema.ResourceData, meta interface{}) error {
client := meta.(*ArmClient)
subnetClient := client.subnetClient
log.Printf("[INFO] preparing arguments for Azure ARM Subnet creation.")
name := d.Get("name").(string)
vnetName := d.Get("virtual_network_name").(string)
resGroup := d.Get("resource_group_name").(string)
addressPrefix := d.Get("address_prefix").(string)
armMutexKV.Lock(vnetName)
defer armMutexKV.Unlock(vnetName)
properties := network.SubnetPropertiesFormat{
AddressPrefix: &addressPrefix,
}
if v, ok := d.GetOk("network_security_group_id"); ok {
nsgId := v.(string)
properties.NetworkSecurityGroup = &network.SecurityGroup{
ID: &nsgId,
}
}
if v, ok := d.GetOk("route_table_id"); ok {
rtId := v.(string)
properties.RouteTable = &network.RouteTable{
ID: &rtId,
}
}
subnet := network.Subnet{
Name: &name,
Properties: &properties,
}
resp, err := subnetClient.CreateOrUpdate(resGroup, vnetName, name, subnet)
if err != nil {
return err
}
d.SetId(*resp.ID)
log.Printf("[DEBUG] Waiting for Subnet (%s) to become available", name)
stateConf := &resource.StateChangeConf{
Pending: []string{"Accepted", "Updating"},
Target: []string{"Succeeded"},
Refresh: subnetRuleStateRefreshFunc(client, resGroup, vnetName, name),
Timeout: 10 * time.Minute,
}
if _, err := stateConf.WaitForState(); err != nil {
return fmt.Errorf("Error waiting for Subnet (%s) to become available: %s", name, err)
}
return resourceArmSubnetRead(d, meta)
}
func resourceArmSubnetRead(d *schema.ResourceData, meta interface{}) error {
subnetClient := meta.(*ArmClient).subnetClient
id, err := parseAzureResourceID(d.Id())
if err != nil {
return err
}
resGroup := id.ResourceGroup
vnetName := id.Path["virtualNetworks"]
name := id.Path["subnets"]
resp, err := subnetClient.Get(resGroup, vnetName, name, "")
if resp.StatusCode == http.StatusNotFound {
d.SetId("")
return nil
}
if err != nil {
return fmt.Errorf("Error making Read request on Azure Subnet %s: %s", name, err)
}
if resp.Properties.IPConfigurations != nil && len(*resp.Properties.IPConfigurations) > 0 {
ips := make([]string, 0, len(*resp.Properties.IPConfigurations))
for _, ip := range *resp.Properties.IPConfigurations {
ips = append(ips, *ip.ID)
}
if err := d.Set("ip_configurations", ips); err != nil {
return err
}
}
return nil
}
func resourceArmSubnetDelete(d *schema.ResourceData, meta interface{}) error {
subnetClient := meta.(*ArmClient).subnetClient
id, err := parseAzureResourceID(d.Id())
if err != nil {
return err
}
resGroup := id.ResourceGroup
name := id.Path["subnets"]
vnetName := id.Path["virtualNetworks"]
armMutexKV.Lock(vnetName)
defer armMutexKV.Unlock(vnetName)
_, err = subnetClient.Delete(resGroup, vnetName, name)
return err
}
func subnetRuleStateRefreshFunc(client *ArmClient, resourceGroupName string, virtualNetworkName string, subnetName string) resource.StateRefreshFunc {
return func() (interface{}, string, error) {
res, err := client.subnetClient.Get(resourceGroupName, virtualNetworkName, subnetName, "")
if err != nil {
return nil, "", fmt.Errorf("Error issuing read request in subnetRuleStateRefreshFunc to Azure ARM for subnet '%s' (RG: '%s') (VNN: '%s'): %s", subnetName, resourceGroupName, virtualNetworkName, err)
}
return res, *res.Properties.ProvisioningState, nil
}
}