cluster: use rings.ZoneID and rings.NodeID types

Signed-off-by: Alejandro Mery <amery@jpi.io>

pkg/cluster/cluster_import.go

@@ -6,6 +6,8 @@ import (
 	"os"
 
 	"gopkg.in/yaml.v3"
+
+	"git.jpi.io/amery/jpictl/pkg/rings"
 )
 
 func (m *Cluster) init(opts *ScanOptions) error {
@@ -45,7 +47,7 @@ func (m *Cluster) initZones(opts *ScanOptions) error {
 
 func (m *Cluster) initZone(z *Zone, _ *ScanOptions) error {
 	var hasMissing bool
-	var lastMachineID int
+	var lastMachineID rings.NodeID
 
 	z.zones = m
 	z.logger = m
@@ -58,7 +60,7 @@ func (m *Cluster) initZone(z *Zone, _ *ScanOptions) error {
 		case p.ID == 0:
 			hasMissing = true
 		case p.ID > lastMachineID:
-			lastMachineID = z.ID
+			lastMachineID = p.ID
 		}
 
 		return false