1 files changed, 105 insertions, 0 deletions
diff --git a/src/go/collectors/go.d.plugin/modules/wireguard/wireguard.go b/src/go/collectors/go.d.plugin/modules/wireguard/wireguard.go
new file mode 100644
index 000000000..76bc3e3dc
--- /dev/null
+++ b/src/go/collectors/go.d.plugin/modules/wireguard/wireguard.go
@@ -0,0 +1,105 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+package wireguard
+
+import (
+	_ "embed"
+	"errors"
+	"time"
+
+	"github.com/netdata/netdata/go/go.d.plugin/agent/module"
+
+	"golang.zx2c4.com/wireguard/wgctrl"
+	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
+)
+
+//go:embed "config_schema.json"
+var configSchema string
+
+func init() {
+	module.Register("wireguard", module.Creator{
+		JobConfigSchema: configSchema,
+		Create:          func() module.Module { return New() },
+	})
+}
+
+func New() *WireGuard {
+	return &WireGuard{
+		newWGClient:  func() (wgClient, error) { return wgctrl.New() },
+		charts:       &module.Charts{},
+		devices:      make(map[string]bool),
+		peers:        make(map[string]bool),
+		cleanupEvery: time.Minute,
+	}
+}
+
+type Config struct {
+	UpdateEvery int `yaml:"update_every" json:"update_every"`
+}
+
+type (
+	WireGuard struct {
+		module.Base
+		Config `yaml:",inline" json:""`
+
+		charts *module.Charts
+
+		client      wgClient
+		newWGClient func() (wgClient, error)
+
+		cleanupLastTime time.Time
+		cleanupEvery    time.Duration
+		devices         map[string]bool
+		peers           map[string]bool
+	}
+	wgClient interface {
+		Devices() ([]*wgtypes.Device, error)
+		Close() error
+	}
+)
+
+func (w *WireGuard) Configuration() any {
+	return w.Config
+}
+
+func (w *WireGuard) Init() error {
+	return nil
+}
+
+func (w *WireGuard) Check() error {
+	mx, err := w.collect()
+	if err != nil {
+		w.Error(err)
+		return err
+	}
+	if len(mx) == 0 {
+		return errors.New("no metrics collected")
+	}
+	return nil
+}
+
+func (w *WireGuard) Charts() *module.Charts {
+	return w.charts
+}
+
+func (w *WireGuard) Collect() map[string]int64 {
+	mx, err := w.collect()
+	if err != nil {
+		w.Error(err)
+	}
+
+	if len(mx) == 0 {
+		return nil
+	}
+	return mx
+}
+
+func (w *WireGuard) Cleanup() {
+	if w.client == nil {
+		return
+	}
+	if err := w.client.Close(); err != nil {
+		w.Warningf("cleanup: error on closing connection: %v", err)
+	}
+	w.client = nil
+}