diff options
Diffstat (limited to '')
-rw-r--r-- | src/go/collectors/go.d.plugin/modules/wireguard/wireguard.go | 105 |
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 +} |