Files
edgeguard-native/internal/services/networkifs/apply.go
Debian 0ee754e231 feat(network): VLAN/bridge/bond interface provisioner + IP-address apply
Fügt zwei neue systemd-oneshot-Services hinzu:
- edgeguard-interfaces.service: erstellt VLAN/bridge/bond-Interfaces
  (ip link add/del) wenn der Operator sie über die GUI anlegt/entfernt.
  Ethernet + WireGuard bleiben OS-managed.
- edgeguard-ipaddresses.service: bindet/entfernt IP-Adressen (ip addr
  add/del) nach jeder GUI-Mutation; läuft jetzt After=edgeguard-interfaces
  damit Interfaces immer vor den Adressen existieren.

Beide Services triggern per applyAsync() in den zugehörigen Handlern
(networks.go → Interfaces, ipaddresses.go → Adressen). Diff-Ansatz
über *-applied.conf verhindert dass manuell gebundene Adressen/
Interfaces angefasst werden.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-05-30 13:25:26 +02:00

104 lines
2.7 KiB
Go

package networkifs
import (
"bytes"
"context"
"encoding/json"
"fmt"
"os/exec"
"strings"
"git.netcell-it.de/projekte/edgeguard-native/internal/configgen"
)
// ConfPath is read by edgeguard-apply-interfaces.
const ConfPath = "/etc/edgeguard/interfaces.conf"
type Generator struct {
Repo *Repo
}
func NewGenerator(repo *Repo) *Generator { return &Generator{Repo: repo} }
// Render writes /etc/edgeguard/interfaces.conf (format: type|name|parent|vlan_id|mtu|members)
// for VLAN/bridge/bond interfaces and triggers edgeguard-interfaces.service.
// Ethernet and WireGuard interfaces are managed by the OS / wg-quick and are excluded.
func (g *Generator) Render(ctx context.Context) error {
rows, err := g.Repo.Pool.Query(ctx, `
SELECT type, name,
COALESCE(parent, ''),
COALESCE(vlan_id::text, ''),
COALESCE(mtu::text, ''),
members
FROM network_interfaces
WHERE active = true
AND type IN ('vlan', 'bridge', 'bond')
AND (type = 'vlan' OR jsonb_array_length(members) > 0)
ORDER BY type, name`,
)
if err != nil {
return fmt.Errorf("query: %w", err)
}
defer rows.Close()
type ifRow struct {
typ string
name string
parent string
vlanID string
mtu string
members []string
}
var entries []ifRow
for rows.Next() {
var r ifRow
var membersRaw []byte
if err := rows.Scan(&r.typ, &r.name, &r.parent, &r.vlanID, &r.mtu, &membersRaw); err != nil {
return fmt.Errorf("scan: %w", err)
}
if len(membersRaw) > 0 {
_ = json.Unmarshal(membersRaw, &r.members)
}
entries = append(entries, r)
}
if err := rows.Err(); err != nil {
return err
}
var buf bytes.Buffer
buf.WriteString("# Generated by edgeguard-api — DO NOT EDIT.\n")
buf.WriteString("# Read by edgeguard-apply-interfaces. Format: type|name|parent|vlan_id|mtu|members\n")
for _, e := range entries {
fmt.Fprintf(&buf, "%s|%s|%s|%s|%s|%s\n",
sanitizeIf(e.typ), sanitizeIf(e.name), sanitizeIf(e.parent),
sanitizeIf(e.vlanID), sanitizeIf(e.mtu),
sanitizeIf(strings.Join(e.members, ",")))
}
if err := configgen.AtomicWrite(ConfPath, buf.Bytes(), 0o644); err != nil {
return fmt.Errorf("write %s: %w", ConfPath, err)
}
if err := applyInterfaces(); err != nil {
return fmt.Errorf("apply: %w", err)
}
return nil
}
func applyInterfaces() error {
cmd := exec.Command("sudo", "-n", "/usr/bin/systemctl",
"restart", "edgeguard-interfaces.service")
out, err := cmd.CombinedOutput()
if err != nil {
return fmt.Errorf("systemctl restart edgeguard-interfaces.service: %s: %w",
strings.TrimSpace(string(out)), err)
}
return nil
}
func sanitizeIf(s string) string {
s = strings.ReplaceAll(s, "|", "")
s = strings.ReplaceAll(s, "\n", "")
return strings.TrimSpace(s)
}