From d197194eb2baf34a8c6d2eb5d451c4b6c42cf94f Mon Sep 17 00:00:00 2001
From: Sam <55770131+Sam6734@users.noreply.github.com>
Date: Wed, 15 Jul 2026 09:38:32 -0500
Subject: [PATCH 1/2] feat: expose mesh contact address

Signed-off-by: Sam <55770131+Sam6734@users.noreply.github.com>
---
 pkg/virtualkubelet/mesh.go           | 1 +
 pkg/virtualkubelet/templates/mesh.sh | 3 ++-
 pkg/virtualkubelet/virtualkubelet.go | 1 +
 3 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/pkg/virtualkubelet/mesh.go b/pkg/virtualkubelet/mesh.go
index cb904019..424f5ec2 100644
--- a/pkg/virtualkubelet/mesh.go
+++ b/pkg/virtualkubelet/mesh.go
@@ -476,6 +476,7 @@ PersistentKeepalive = %d
 	// Prepare template data
 	data := MeshScriptTemplateData{
 		WGInterfaceName:       wgInterfaceName,
+		MeshContactHost:       fmt.Sprintf("%s.%s.svc.cluster.local", td.Name, td.Namespace),
 		WSTunnelExecutableURL: WSTunnelExecutableURL,
 		WireguardGoURL:        wireguardGoURL,
 		WgToolURL:             wgToolURL,
diff --git a/pkg/virtualkubelet/templates/mesh.sh b/pkg/virtualkubelet/templates/mesh.sh
index 300e799b..a3e10931 100644
--- a/pkg/virtualkubelet/templates/mesh.sh
+++ b/pkg/virtualkubelet/templates/mesh.sh
@@ -79,6 +79,7 @@ echo "=== Inside network namespace ==="
 echo "Using WireGuard interface: $WG_IFACE"
 
 export WG_SOCKET_DIR="$TMPDIR"
+export INTERLINK_MESH_CONTACT_HOST="{{.MeshContactHost}}"
 
 # Override /etc/resolv.conf to avoid issues with read-only filesystems
 # Not all environments support this; ignore errors
@@ -242,4 +243,4 @@ sleep 5
 echo "=== Bringing job to foreground ==="
 fg 1
 
-EOFMESH
\ No newline at end of file
+EOFMESH
diff --git a/pkg/virtualkubelet/virtualkubelet.go b/pkg/virtualkubelet/virtualkubelet.go
index d4f7cd43..e0565454 100644
--- a/pkg/virtualkubelet/virtualkubelet.go
+++ b/pkg/virtualkubelet/virtualkubelet.go
@@ -110,6 +110,7 @@ type PortMapping struct {
 
 type MeshScriptTemplateData struct {
 	WGInterfaceName       string
+	MeshContactHost       string
 	WSTunnelExecutableURL string
 	WireguardGoURL        string
 	WgToolURL             string

From 720331a63e07b3ca5af29d0106dc2df6091f07cc Mon Sep 17 00:00:00 2001
From: Sam <55770131+Sam6734@users.noreply.github.com>
Date: Wed, 15 Jul 2026 09:38:32 -0500
Subject: [PATCH 2/2] test: verify mesh contact address export

Signed-off-by: Sam <55770131+Sam6734@users.noreply.github.com>
---
 pkg/virtualkubelet/mesh_template_test.go | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 pkg/virtualkubelet/mesh_template_test.go

diff --git a/pkg/virtualkubelet/mesh_template_test.go b/pkg/virtualkubelet/mesh_template_test.go
new file mode 100644
index 00000000..fe930c8d
--- /dev/null
+++ b/pkg/virtualkubelet/mesh_template_test.go
@@ -0,0 +1,24 @@
+package virtualkubelet
+
+import (
+	"bytes"
+	"testing"
+	"text/template"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestMeshTemplateExportsContactHost(t *testing.T) {
+	content, err := meshScriptTemplate.ReadFile("templates/mesh.sh")
+	require.NoError(t, err)
+
+	tmpl, err := template.New("mesh").Parse(string(content))
+	require.NoError(t, err)
+
+	var rendered bytes.Buffer
+	err = tmpl.Execute(&rendered, MeshScriptTemplateData{
+		MeshContactHost: "worker-tunnel.pods-wstunnel.svc.cluster.local",
+	})
+	require.NoError(t, err)
+	require.Contains(t, rendered.String(), `export INTERLINK_MESH_CONTACT_HOST="worker-tunnel.pods-wstunnel.svc.cluster.local"`)
+}