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[client] Create networkd.conf.d if it doesn't exist (#4764)

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This commit is contained in:
Viktor Liu
2025-11-08 10:54:37 +01:00
committed by GitHub
parent 7df49e249d
commit 07cf9d5895
1 changed files with 8 additions and 3 deletions
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11
client/cmd/service_installer.go
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@@ -259,6 +259,7 @@ func isServiceRunning() (bool, error) {
}
const (
networkdConf = "/etc/systemd/networkd.conf"
networkdConfDir = "/etc/systemd/networkd.conf.d"
networkdConfFile = "/etc/systemd/networkd.conf.d/99-netbird.conf"
networkdConfContent = `# Created by NetBird to prevent systemd-networkd from removing
@@ -273,12 +274,16 @@ ManageForeignRoutingPolicyRules=no
// configureSystemdNetworkd creates a drop-in configuration file to prevent
// systemd-networkd from removing NetBird's routes and policy rules.
func configureSystemdNetworkd() error {
parentDir := filepath.Dir(networkdConfDir)
if _, err := os.Stat(parentDir); os.IsNotExist(err) {
log.Debug("systemd networkd.conf.d parent directory does not exist, skipping configuration")
if _, err := os.Stat(networkdConf); os.IsNotExist(err) {
log.Debug("systemd-networkd not in use, skipping configuration")
return nil
}
// nolint:gosec // standard networkd permissions
if err := os.MkdirAll(networkdConfDir, 0755); err != nil {
return fmt.Errorf("create networkd.conf.d directory: %w", err)
}
// nolint:gosec // standard networkd permissions
if err := os.WriteFile(networkdConfFile, []byte(networkdConfContent), 0644); err != nil {
return fmt.Errorf("write networkd configuration: %w", err)