Merge pull request #906 from BashtonLtd/gce_instance_selflink

Expose SelfLink field for GCE instances.

builtin/providers/google/resource_compute_instance.go

@@ -169,6 +169,11 @@ func resourceComputeInstance() *schema.Resource {
 				Type:     schema.TypeString,
 				Computed: true,
 			},
+
+			"self_link": &schema.Schema{
+				Type:     schema.TypeString,
+				Computed: true,
+			},
 		},
 	}
 }
@@ -417,6 +422,8 @@ func resourceComputeInstanceRead(d *schema.ResourceData, meta interface{}) error
 		d.Set("tags_fingerprint", instance.Tags.Fingerprint)
 	}
 
+	d.Set("self_link", instance.SelfLink)
+
 	return nil
 }