feat(netbird): go further in making it work

Fixup netbird extension.

Signed-off-by: Max Batleforc <[email protected]>
Signed-off-by: Noel Georgi <[email protected]>

Author: batleforc

network/netbird/README.md

@@ -1,4 +1,4 @@
-# Tailscale
+# Netbird
 
 Adds https://netbird.io network interfaces as system extensions.
 This means you can access your talos nodes from machines you have configured
@@ -21,6 +21,19 @@ environment:
   - NB_SETUP_KEYS=<peer setup key>
 ```
 
+or if you are selfhosting it with something like :
+
+```yaml
+---
+apiVersion: v1alpha1
+kind: ExtensionServiceConfig
+name: netbird
+environment:
+  - NB_SETUP_KEYS=<peer setup key>
+  - NB_MANAGEMENT_URL=https://netbird.selfhosted:443
+  - NB_ADMIN_URL=https://netbird.selfhosted:443
+```
+
 Then apply the patch to your node's MachineConfigs
 ```bash
 talosctl patch mc -p @netbird-config.yaml

network/netbird/netbird.yaml

@@ -9,6 +9,17 @@ depends:
   - configuration: true
 container:
   entrypoint: /usr/local/bin/netbird
+  args:
+    - "up"
+    - "--foreground-mode"
+  environment:
+    - NB_DAEMON_ADDR=unix:///var/run/netbird/netbird.sock
+    - NB_LOG_FILE=console,/var/log/netbird/client.log
+    - NB_DISABLE_PROFILES=true
+    - USER=talos
+    - NB_CONFIG=/var/run/netbird/config.json
+    - HOME=/var/run/netbird
+    - PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:$PATH
   security:
     writeableRootfs: false
     writeableSysfs: true
@@ -31,4 +42,22 @@ container:
     options:
       - bind
       - rw
+  - source: /var/run/netbird
+    destination: /var/run/netbird
+    type: bind
+    options:
+      - bind
+      - rw
+  - source: /etc/ssl/certs
+    destination: /etc/ssl/certs
+    type: bind
+    options:
+      - rbind
+      - ro
+  - source: /etc/os-release
+    destination: /etc/os-release
+    type: bind
+    options:
+      - bind
+      - ro
 restart: always

network/netbird/pkg.yaml

@@ -21,19 +21,22 @@ steps:
         tar -xzvf netbird.tar.gz
       - |
         cd netbird-{{ .NETBIRD_VERSION }}
-        sed -i 's/development/{{ .NETBIRD_VERSION }}/' version/version.go 
+        sed -i 's/development/{{ .NETBIRD_VERSION }}/' version/version.go
         cd client
-        go mod download 
+        go mod download
   - network: none
     build:
       - |
         cd netbird-{{ .NETBIRD_VERSION }}
         go build -o netbird ./client
+        cd /pkg/src
+        go build -o ./uname .
     install:
       - |
         cd netbird-{{ .NETBIRD_VERSION }}
         mkdir -p /rootfs/usr/local/lib/containers/netbird/usr/local/bin/
         cp -p netbird /rootfs/usr/local/lib/containers/netbird/usr/local/bin/
+        cp -p /pkg/src/uname /rootfs/usr/local/lib/containers/netbird/usr/local/bin/
         chmod +x -R /rootfs/usr/local/lib/containers/netbird/usr/local/bin/
       - |
         mkdir -p /rootfs/usr/local/etc/containers

network/netbird/src/go.mod

@@ -0,0 +1,3 @@
+module github.com/siderolabs/extensions/uname
+
+go 1.25.1

network/netbird/src/main.go

@@ -0,0 +1,35 @@
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+package main
+
+import (
+	"fmt"
+	"syscall"
+)
+
+func utsFieldToString(field [65]int8) string {
+	b := make([]byte, 0, len(field))
+	for _, c := range field {
+		if c == 0 {
+			break
+		}
+		b = append(b, byte(c))
+	}
+	return string(b)
+}
+
+func main() {
+	var uts syscall.Utsname
+	if err := syscall.Uname(&uts); err != nil {
+		fmt.Println("Error:", err)
+		return
+	}
+	fmt.Printf("%s %s %s %s\n",
+		utsFieldToString(uts.Sysname),
+		utsFieldToString(uts.Release),
+		utsFieldToString(uts.Version),
+		utsFieldToString(uts.Machine),
+	)
+}