Fix hcloud_volume resource: Automount did not work when changing an already existing volume

Signed-off-by: Lukas Kämmerling <lukas.kaemmerling@hetzner-cloud.de>

Author: LKaemmerling

CHANGELOG.md

@@ -1,11 +1,12 @@
 ## unreleased
 
 BUG FIXES:
-* `hcloud_volume` datasource: id is now marked as computed to allow more setups where the id is unkown
-* `hcloud_ssh_key` datasource: id is now marked as computed to allow more setups where the id is unkown
-* `hcloud_network` datasource: id is now marked as computed to allow more setups where the id is unkown
-* `hcloud_image` datasource: id is now marked as computed to allow more setups where the id is unkown
-* `hcloud_certificate` datasource: id is now marked as computed to allow more setups where the id is unkown
+* `hcloud_volume` datasource: id is now marked as computed to allow more setups where the id is unknown
+* `hcloud_ssh_key` datasource: id is now marked as computed to allow more setups where the id is unknown
+* `hcloud_network` datasource: id is now marked as computed to allow more setups where the id is unknown
+* `hcloud_image` datasource: id is now marked as computed to allow more setups where the id is unknown
+* `hcloud_certificate` datasource: id is now marked as computed to allow more setups where the id is unknown
+* `hcloud_volume` resource: Automount is now working when you attach an already existing volume to a server.
 
 ## 1.24.0 (January 12, 2021)
 

internal/volume/resource.go

@@ -242,7 +242,12 @@ func resourceVolumeUpdate(ctx context.Context, d *schema.ResourceData, m interfa
 				}
 			}
 			err := control.Retry(control.DefaultRetries, func() error {
-				action, _, err := c.Volume.Attach(ctx, volume, &hcloud.Server{ID: serverID})
+				opts := hcloud.VolumeAttachOpts{Server: &hcloud.Server{ID: serverID}}
+				if automount, ok := d.GetOk("automount"); ok {
+					opts.Automount = hcloud.Bool(automount.(bool))
+				}
+
+				action, _, err := c.Volume.AttachWithOpts(ctx, volume, opts)
 				if err != nil {
 					if resourceVolumeIsNotFound(err, d) {
 						return nil