Moved and changed the copy of error when fetching server by IP.

Added some comments to why a label is used on provisioned vps.
Added comments about where to find information about the Plan, OS and Regions for Hetzner.

Signed-off-by: Johannes Tegnér <johannes@jitesoft.com>

cmd/create.go

@@ -380,6 +380,11 @@ func createHost(provider, name, region, zone, projectID, userData, inletsPort st
 			},
 		}, nil
 	} else if provider == "hetzner" {
+		// Easiest way to get the information of available images and server types is through
+		// the Hetzner API, but it requires auth for any type of call.
+		// Images can be fetched from https://api.hetzner.cloud/v1/images
+		// Server types can be fetched from https://api.hetzner.cloud/v1/server_types
+		// The regions available are hel1 (Helsinki), nur1 (Nuremberg), fsn1 (Falkenstein)
 		return &provision.BasicHost{
 			Name:     name,
 			Region:   region,

pkg/provision/hetzner.go

@@ -89,6 +89,8 @@ func (p *HetznerProvisioner) Provision(host BasicHost) (*ProvisionedHost, error)
 func (p *HetznerProvisioner) List(filter ListFilter) ([]*ProvisionedHost, error) {
 	var hosts []*ProvisionedHost
 	hostList, err := p.client.Server.AllWithOpts(context.Background(), hcloud.ServerListOpts{
+		// Adding a label to the VPS so that it is easier to select inlets managed servers and also
+		// to tell the user that the server in question is managed by inlets.
 		ListOpts: hcloud.ListOpts{
 			LabelSelector: "managed-by=inlets",
 		},
@@ -122,10 +124,9 @@ func (p *HetznerProvisioner) Delete(request HostDeleteRequest) error {
 				id = instance.ID
 			}
 		}
-	}
-
-	if len(id) <= 0 {
-		return fmt.Errorf("failed to find server with id %s", id)
+		if len(id) <= 0 {
+			return fmt.Errorf("failed to find server with id with IP %s", request.IP)
+		}
 	}
 
 	idAsInt, err := strconv.Atoi(id)