jpictl: introduce write command rewriting all config files

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

cmd/jpictl/write.go

@@ -0,0 +1,23 @@
+package main
+
+import (
+	"github.com/spf13/cobra"
+)
+
+// Command
+var writeCmd = &cobra.Command{
+	Use:   "write",
+	Short: "rewrites all config files",
+	RunE: func(_ *cobra.Command, _ []string) error {
+		m, err := cfg.LoadZones()
+		if err != nil {
+			return err
+		}
+
+		return m.SyncAll()
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(writeCmd)
+}

pkg/zones/sync.go

@@ -0,0 +1,33 @@
+package zones
+
+// SyncAll updates all config files
+func (m *Zones) SyncAll() error {
+	for _, fn := range []func() error{
+		m.SyncAllWireguard,
+	} {
+		if err := fn(); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+// SyncAllWireguard updates all wireguard config files
+func (m *Zones) SyncAllWireguard() error {
+	var err error
+
+	for ring := 0; ring < RingsCount; ring++ {
+		err = m.PruneWireguardConfig(ring)
+		if err != nil {
+			return err
+		}
+
+		err = m.WriteWireguardKeys(ring)
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}