zones: finish scan sorting the content

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

pkg/zones/scan.go

@@ -2,6 +2,7 @@ package zones
 
 import (
 	"io/fs"
+	"sort"
 )
 
 func (m *Zones) scan() error {
@@ -9,6 +10,7 @@ func (m *Zones) scan() error {
 		m.scanDirectory,
 		m.scanMachines,
 		m.scanZoneIDs,
+		m.scanSort,
 	} {
 		if err := fn(); err != nil {
 			return err
@@ -82,6 +84,37 @@ func (m *Zones) scanZoneIDs() error {
 	return nil
 }
 
+func (m *Zones) scanSort() error {
+	sort.SliceStable(m.Zones, func(i, j int) bool {
+		id1 := m.Zones[i].ID
+		id2 := m.Zones[j].ID
+		return id1 < id2
+	})
+
+	m.ForEachZone(func(z *Zone) bool {
+		sort.SliceStable(z.Machines, func(i, j int) bool {
+			id1 := z.Machines[i].ID()
+			id2 := z.Machines[j].ID()
+			return id1 < id2
+		})
+
+		return false
+	})
+
+	m.ForEachMachine(func(p *Machine) bool {
+		sort.SliceStable(p.RingAddresses, func(i, j int) bool {
+			ri1 := p.RingAddresses[i]
+			ri2 := p.RingAddresses[j]
+
+			return ri1.Ring < ri2.Ring
+		})
+
+		return false
+	})
+
+	return nil
+}
+
 func (z *Zone) scan() error {
 	// each directory is a machine
 	entries, err := fs.ReadDir(z.zones.dir, z.Name)