diff options
Diffstat (limited to '')
-rw-r--r-- | src/go/collectors/go.d.plugin/modules/openvpn/openvpn.go | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/src/go/collectors/go.d.plugin/modules/openvpn/openvpn.go b/src/go/collectors/go.d.plugin/modules/openvpn/openvpn.go new file mode 100644 index 000000000..0a5edef06 --- /dev/null +++ b/src/go/collectors/go.d.plugin/modules/openvpn/openvpn.go @@ -0,0 +1,128 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +package openvpn + +import ( + _ "embed" + "time" + + "github.com/netdata/netdata/go/go.d.plugin/agent/module" + "github.com/netdata/netdata/go/go.d.plugin/modules/openvpn/client" + "github.com/netdata/netdata/go/go.d.plugin/pkg/matcher" + "github.com/netdata/netdata/go/go.d.plugin/pkg/socket" + "github.com/netdata/netdata/go/go.d.plugin/pkg/web" +) + +//go:embed "config_schema.json" +var configSchema string + +func init() { + module.Register("openvpn", module.Creator{ + JobConfigSchema: configSchema, + Create: func() module.Module { return New() }, + Config: func() any { return &Config{} }, + }) +} + +func New() *OpenVPN { + return &OpenVPN{ + Config: Config{ + Address: "127.0.0.1:7505", + Timeout: web.Duration(time.Second), + }, + + charts: charts.Copy(), + collectedUsers: make(map[string]bool), + } +} + +type Config struct { + UpdateEvery int `yaml:"update_every,omitempty" json:"update_every"` + Address string `yaml:"address" json:"address"` + Timeout web.Duration `yaml:"timeout,omitempty" json:"timeout"` + PerUserStats matcher.SimpleExpr `yaml:"per_user_stats,omitempty" json:"per_user_stats"` +} + +type ( + OpenVPN struct { + module.Base + Config `yaml:",inline" json:""` + + charts *Charts + + client openVPNClient + + collectedUsers map[string]bool + perUserMatcher matcher.Matcher + } + openVPNClient interface { + socket.Client + Version() (*client.Version, error) + LoadStats() (*client.LoadStats, error) + Users() (client.Users, error) + } +) + +func (o *OpenVPN) Configuration() any { + return o.Config +} + +func (o *OpenVPN) Init() error { + if err := o.validateConfig(); err != nil { + o.Error(err) + return err + } + + m, err := o.initPerUserMatcher() + if err != nil { + o.Error(err) + return err + } + o.perUserMatcher = m + + o.client = o.initClient() + + o.Infof("using address: %s, timeout: %s", o.Address, o.Timeout) + + return nil +} + +func (o *OpenVPN) Check() error { + if err := o.client.Connect(); err != nil { + o.Error(err) + return err + } + defer func() { _ = o.client.Disconnect() }() + + ver, err := o.client.Version() + if err != nil { + o.Error(err) + o.Cleanup() + return err + } + + o.Infof("connected to OpenVPN v%d.%d.%d, Management v%d", ver.Major, ver.Minor, ver.Patch, ver.Management) + + return nil +} + +func (o *OpenVPN) Charts() *Charts { return o.charts } + +func (o *OpenVPN) Collect() map[string]int64 { + mx, err := o.collect() + if err != nil { + o.Error(err) + } + + if len(mx) == 0 { + return nil + } + return mx +} + +func (o *OpenVPN) Cleanup() { + if o.client == nil { + return + } + _ = o.client.Disconnect() +} |