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resource_cloudstack_nic.go
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resource_cloudstack_nic.go
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package cloudstack
import (
"fmt"
"log"
"strings"
"github.com/hashicorp/terraform/helper/schema"
"github.com/xanzy/go-cloudstack/cloudstack"
)
func resourceCloudStackNIC() *schema.Resource {
return &schema.Resource{
Create: resourceCloudStackNICCreate,
Read: resourceCloudStackNICRead,
Delete: resourceCloudStackNICDelete,
Schema: map[string]*schema.Schema{
"network": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"ipaddress": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Computed: true,
ForceNew: true,
},
"virtual_machine": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
},
}
}
func resourceCloudStackNICCreate(d *schema.ResourceData, meta interface{}) error {
cs := meta.(*cloudstack.CloudStackClient)
// Retrieve the network ID
networkid, e := retrieveID(cs, "network", d.Get("network").(string))
if e != nil {
return e.Error()
}
// Retrieve the virtual_machine ID
virtualmachineid, e := retrieveID(cs, "virtual_machine", d.Get("virtual_machine").(string))
if e != nil {
return e.Error()
}
// Create a new parameter struct
p := cs.VirtualMachine.NewAddNicToVirtualMachineParams(networkid, virtualmachineid)
// If there is a ipaddres supplied, add it to the parameter struct
if ipaddress, ok := d.GetOk("ipaddress"); ok {
p.SetIpaddress(ipaddress.(string))
}
// Create and attach the new NIC
r, err := cs.VirtualMachine.AddNicToVirtualMachine(p)
if err != nil {
return fmt.Errorf("Error creating the new NIC: %s", err)
}
found := false
for _, n := range r.Nic {
if n.Networkid == networkid {
d.SetId(n.Id)
found = true
break
}
}
if !found {
return fmt.Errorf("Could not find NIC ID for network: %s", d.Get("network").(string))
}
return resourceCloudStackNICRead(d, meta)
}
func resourceCloudStackNICRead(d *schema.ResourceData, meta interface{}) error {
cs := meta.(*cloudstack.CloudStackClient)
// Get the virtual machine details
vm, count, err := cs.VirtualMachine.GetVirtualMachineByName(d.Get("virtual_machine").(string))
if err != nil {
if count == 0 {
log.Printf("[DEBUG] Instance %s does no longer exist", d.Get("virtual_machine").(string))
d.SetId("")
return nil
} else {
return err
}
}
// Read NIC info
found := false
for _, n := range vm.Nic {
if n.Id == d.Id() {
d.Set("ipaddress", n.Ipaddress)
setValueOrID(d, "network", n.Networkname, n.Networkid)
setValueOrID(d, "virtual_machine", vm.Name, vm.Id)
found = true
break
}
}
if !found {
log.Printf("[DEBUG] NIC for network %s does no longer exist", d.Get("network").(string))
d.SetId("")
}
return nil
}
func resourceCloudStackNICDelete(d *schema.ResourceData, meta interface{}) error {
cs := meta.(*cloudstack.CloudStackClient)
// Retrieve the virtual_machine ID
virtualmachineid, e := retrieveID(cs, "virtual_machine", d.Get("virtual_machine").(string))
if e != nil {
return e.Error()
}
// Create a new parameter struct
p := cs.VirtualMachine.NewRemoveNicFromVirtualMachineParams(d.Id(), virtualmachineid)
// Remove the NIC
_, err := cs.VirtualMachine.RemoveNicFromVirtualMachine(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 deleting NIC: %s", err)
}
return nil
}