From af90825f136f2864a07779c765d06f46b6748396 Mon Sep 17 00:00:00 2001
From: Alejandro Mery <amery@jpi.io>
Date: Sat, 26 Aug 2023 18:32:44 +0000
Subject: [PATCH] zones: Machine.SetGateway()

Signed-off-by: Alejandro Mery <amery@jpi.io>
---
 pkg/zones/machine.go       | 18 ++++++++++++++++++
 pkg/zones/machine_rings.go | 20 ++++++++++++++++++++
 2 files changed, 38 insertions(+)

diff --git a/pkg/zones/machine.go b/pkg/zones/machine.go
index 0a49ad3..1dd64a2 100644
--- a/pkg/zones/machine.go
+++ b/pkg/zones/machine.go
@@ -43,6 +43,24 @@ func (m *Machine) IsGateway() bool {
 	return ok
 }
 
+// SetGateway enables/disables a Machine ring0 integration
+func (m *Machine) SetGateway(enabled bool) error {
+	ri, found := m.getRingInfo(0)
+	switch {
+	case !found && !enabled:
+		return nil
+	case !found:
+		var err error
+
+		if ri, err = m.createRingInfo(0, false); err != nil {
+			return err
+		}
+	}
+
+	ri.Enabled = enabled
+	return m.SyncWireguardConfig(0)
+}
+
 // Zone indicates the [Zone] this machine belongs to
 func (m *Machine) Zone() int {
 	return m.zone.ID
diff --git a/pkg/zones/machine_rings.go b/pkg/zones/machine_rings.go
index 62c00f9..9e774e4 100644
--- a/pkg/zones/machine_rings.go
+++ b/pkg/zones/machine_rings.go
@@ -228,3 +228,23 @@ func (m *Machine) RemoveWireguardConfig(ring int) error {
 
 	return err
 }
+
+func (m *Machine) createRingInfo(ring int, enabled bool) (*RingInfo, error) {
+	keys, err := wireguard.NewKeyPair()
+	if err != nil {
+		return nil, err
+	}
+
+	ri := &RingInfo{
+		Ring:    ring,
+		Enabled: enabled,
+		Keys:    keys,
+	}
+
+	err = m.applyRingInfo(ring, ri)
+	if err != nil {
+		return nil, err
+	}
+
+	return ri, nil
+}