terraform/builtin/providers/digitalocean/resource_digitalocean_float...

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package digitalocean
import (
"fmt"
"log"
"time"
"github.com/digitalocean/godo"
"github.com/hashicorp/terraform/helper/resource"
"github.com/hashicorp/terraform/helper/schema"
)
func resourceDigitalOceanFloatingIp() *schema.Resource {
return &schema.Resource{
Create: resourceDigitalOceanFloatingIpCreate,
Update: resourceDigitalOceanFloatingIpUpdate,
Read: resourceDigitalOceanFloatingIpRead,
Delete: resourceDigitalOceanFloatingIpDelete,
Schema: map[string]*schema.Schema{
"ip_address": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Computed: true,
},
"region": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"droplet_id": &schema.Schema{
Type: schema.TypeInt,
Optional: true,
},
},
}
}
func resourceDigitalOceanFloatingIpCreate(d *schema.ResourceData, meta interface{}) error {
client := meta.(*godo.Client)
log.Printf("[INFO] Create a FloatingIP In a Region")
regionOpts := &godo.FloatingIPCreateRequest{
Region: d.Get("region").(string),
}
log.Printf("[DEBUG] FloatingIP Create: %#v", regionOpts)
floatingIp, _, err := client.FloatingIPs.Create(regionOpts)
if err != nil {
return fmt.Errorf("Error creating FloatingIP: %s", err)
}
d.SetId(floatingIp.IP)
if v, ok := d.GetOk("droplet_id"); ok {
log.Printf("[INFO] Assigning the Floating IP to the Droplet %d", v.(int))
action, _, err := client.FloatingIPActions.Assign(d.Id(), v.(int))
if err != nil {
return fmt.Errorf(
"Error Assigning FloatingIP (%s) to the droplet: %s", d.Id(), err)
}
_, unassignedErr := waitForFloatingIPReady(d, "completed", []string{"new", "in-progress"}, "status", meta, action.ID)
if unassignedErr != nil {
return fmt.Errorf(
"Error waiting for FloatingIP (%s) to be Assigned: %s", d.Id(), unassignedErr)
}
}
return resourceDigitalOceanFloatingIpRead(d, meta)
}
func resourceDigitalOceanFloatingIpUpdate(d *schema.ResourceData, meta interface{}) error {
client := meta.(*godo.Client)
if d.HasChange("droplet_id") {
if v, ok := d.GetOk("droplet_id"); ok {
log.Printf("[INFO] Assigning the Floating IP %s to the Droplet %d", d.Id(), v.(int))
action, _, err := client.FloatingIPActions.Assign(d.Id(), v.(int))
if err != nil {
return fmt.Errorf(
"Error Assigning FloatingIP (%s) to the droplet: %s", d.Id(), err)
}
_, unassignedErr := waitForFloatingIPReady(d, "completed", []string{"new", "in-progress"}, "status", meta, action.ID)
if unassignedErr != nil {
return fmt.Errorf(
"Error waiting for FloatingIP (%s) to be Assigned: %s", d.Id(), unassignedErr)
}
} else {
log.Printf("[INFO] Unassigning the Floating IP %s", d.Id())
action, _, err := client.FloatingIPActions.Unassign(d.Id())
if err != nil {
return fmt.Errorf(
"Error Unassigning FloatingIP (%s): %s", d.Id(), err)
}
_, unassignedErr := waitForFloatingIPReady(d, "completed", []string{"new", "in-progress"}, "status", meta, action.ID)
if unassignedErr != nil {
return fmt.Errorf(
"Error waiting for FloatingIP (%s) to be Unassigned: %s", d.Id(), unassignedErr)
}
}
}
return resourceDigitalOceanFloatingIpRead(d, meta)
}
func resourceDigitalOceanFloatingIpRead(d *schema.ResourceData, meta interface{}) error {
client := meta.(*godo.Client)
log.Printf("[INFO] Reading the details of the FloatingIP %s", d.Id())
floatingIp, _, err := client.FloatingIPs.Get(d.Id())
if err != nil {
return fmt.Errorf("Error retrieving FloatingIP: %s", err)
}
if floatingIp.Droplet != nil {
log.Printf("[INFO] A droplet was detected on the FloatingIP so setting the Region based on the Droplet")
log.Printf("[INFO] The region of the Droplet is %s", floatingIp.Droplet.Region.Slug)
d.Set("region", floatingIp.Droplet.Region.Slug)
} else {
d.Set("region", floatingIp.Region.Slug)
}
d.Set("ip_address", floatingIp.IP)
return nil
}
func resourceDigitalOceanFloatingIpDelete(d *schema.ResourceData, meta interface{}) error {
client := meta.(*godo.Client)
if _, ok := d.GetOk("droplet_id"); ok {
log.Printf("[INFO] Unassigning the Floating IP from the Droplet")
action, _, err := client.FloatingIPActions.Unassign(d.Id())
if err != nil {
return fmt.Errorf(
"Error Unassigning FloatingIP (%s) from the droplet: %s", d.Id(), err)
}
_, unassignedErr := waitForFloatingIPReady(d, "completed", []string{"new", "in-progress"}, "status", meta, action.ID)
if unassignedErr != nil {
return fmt.Errorf(
"Error waiting for FloatingIP (%s) to be unassigned: %s", d.Id(), unassignedErr)
}
}
log.Printf("[INFO] Deleting FloatingIP: %s", d.Id())
_, err := client.FloatingIPs.Delete(d.Id())
if err != nil {
return fmt.Errorf("Error deleting FloatingIP: %s", err)
}
d.SetId("")
return nil
}
func waitForFloatingIPReady(
d *schema.ResourceData, target string, pending []string, attribute string, meta interface{}, actionId int) (interface{}, error) {
log.Printf(
"[INFO] Waiting for FloatingIP (%s) to have %s of %s",
d.Id(), attribute, target)
stateConf := &resource.StateChangeConf{
Pending: pending,
Target: []string{target},
Refresh: newFloatingIPStateRefreshFunc(d, attribute, meta, actionId),
Timeout: 60 * time.Minute,
Delay: 10 * time.Second,
MinTimeout: 3 * time.Second,
NotFoundChecks: 60,
}
return stateConf.WaitForState()
}
func newFloatingIPStateRefreshFunc(
d *schema.ResourceData, attribute string, meta interface{}, actionId int) resource.StateRefreshFunc {
client := meta.(*godo.Client)
return func() (interface{}, string, error) {
log.Printf("[INFO] Assigning the Floating IP to the Droplet")
action, _, err := client.FloatingIPActions.Get(d.Id(), actionId)
if err != nil {
return nil, "", fmt.Errorf("Error retrieving FloatingIP (%s) ActionId (%d): %s", d.Id(), actionId, err)
}
log.Printf("[INFO] The FloatingIP Action Status is %s", action.Status)
return &action, action.Status, nil
}
}