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resource_cloudstack_static_nat.go
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resource_cloudstack_static_nat.go
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package cloudstack
import (
"fmt"
"log"
"strings"
"github.com/hashicorp/terraform/helper/schema"
"github.com/xanzy/go-cloudstack/cloudstack"
)
func resourceCloudStackStaticNAT() *schema.Resource {
return &schema.Resource{
Create: resourceCloudStackStaticNATCreate,
Exists: resourceCloudStackStaticNATExists,
Read: resourceCloudStackStaticNATRead,
Delete: resourceCloudStackStaticNATDelete,
Schema: map[string]*schema.Schema{
"ip_address_id": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"virtual_machine_id": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"vm_guest_ip": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Computed: true,
ForceNew: true,
},
"project": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Computed: true,
ForceNew: true,
},
},
}
}
func resourceCloudStackStaticNATCreate(d *schema.ResourceData, meta interface{}) error {
cs := meta.(*cloudstack.CloudStackClient)
ipaddressid := d.Get("ip_address_id").(string)
vm, _, err := cs.VirtualMachine.GetVirtualMachineByID(
d.Get("virtual_machine_id").(string),
cloudstack.WithProject(d.Get("project").(string)),
)
if err != nil {
return err
}
// Create a new parameter struct
p := cs.NAT.NewEnableStaticNatParams(ipaddressid, vm.Id)
if vmGuestIP, ok := d.GetOk("vm_guest_ip"); ok {
p.SetVmguestip(vmGuestIP.(string))
// Set the network ID based on the guest IP, needed when the public IP address
// is not associated with any network yet
NICS:
for _, nic := range vm.Nic {
if vmGuestIP.(string) == nic.Ipaddress {
p.SetNetworkid(nic.Networkid)
break NICS
}
for _, ip := range nic.Secondaryip {
if vmGuestIP.(string) == ip.Ipaddress {
p.SetNetworkid(nic.Networkid)
break NICS
}
}
}
} else {
// If no guest IP is configured, use the primary NIC
p.SetNetworkid(vm.Nic[0].Networkid)
}
_, err = cs.NAT.EnableStaticNat(p)
if err != nil {
return fmt.Errorf("Error enabling static NAT: %s", err)
}
d.SetId(ipaddressid)
return resourceCloudStackStaticNATRead(d, meta)
}
func resourceCloudStackStaticNATExists(d *schema.ResourceData, meta interface{}) (bool, error) {
cs := meta.(*cloudstack.CloudStackClient)
// Get the IP address details
ip, count, err := cs.Address.GetPublicIpAddressByID(
d.Id(),
cloudstack.WithProject(d.Get("project").(string)),
)
if err != nil {
if count == 0 {
log.Printf("[DEBUG] IP address with ID %s no longer exists", d.Id())
return false, nil
}
return false, err
}
return ip.Isstaticnat, nil
}
func resourceCloudStackStaticNATRead(d *schema.ResourceData, meta interface{}) error {
cs := meta.(*cloudstack.CloudStackClient)
// Get the IP address details
ip, count, err := cs.Address.GetPublicIpAddressByID(
d.Id(),
cloudstack.WithProject(d.Get("project").(string)),
)
if err != nil {
if count == 0 {
log.Printf("[DEBUG] IP address with ID %s no longer exists", d.Id())
d.SetId("")
return nil
}
return err
}
if !ip.Isstaticnat {
log.Printf("[DEBUG] Static NAT is no longer enabled for IP address with ID %s", d.Id())
d.SetId("")
return nil
}
d.Set("virtual_machine_id", ip.Virtualmachineid)
d.Set("vm_guest_ip", ip.Vmipaddress)
setValueOrID(d, "project", ip.Project, ip.Projectid)
return nil
}
func resourceCloudStackStaticNATDelete(d *schema.ResourceData, meta interface{}) error {
cs := meta.(*cloudstack.CloudStackClient)
// Create a new parameter struct
p := cs.NAT.NewDisableStaticNatParams(d.Id())
// Disable static NAT
_, err := cs.NAT.DisableStaticNat(p)
if err != nil {
// This is a very poor way to be told the ID does no longer exist :(
if strings.Contains(err.Error(), fmt.Sprintf(
"Invalid parameter id value=%s due to incorrect long value format, "+
"or entity does not exist", d.Id())) {
return nil
}
return fmt.Errorf("Error disabling static NAT: %s", err)
}
return nil
}