diff options
Diffstat (limited to '')
-rw-r--r-- | src/go/collectors/go.d.plugin/modules/unbound/unbound.go | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/src/go/collectors/go.d.plugin/modules/unbound/unbound.go b/src/go/collectors/go.d.plugin/modules/unbound/unbound.go new file mode 100644 index 000000000..3cb97d02d --- /dev/null +++ b/src/go/collectors/go.d.plugin/modules/unbound/unbound.go @@ -0,0 +1,125 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +package unbound + +import ( + _ "embed" + "errors" + "time" + + "github.com/netdata/netdata/go/go.d.plugin/agent/module" + "github.com/netdata/netdata/go/go.d.plugin/pkg/socket" + "github.com/netdata/netdata/go/go.d.plugin/pkg/tlscfg" + "github.com/netdata/netdata/go/go.d.plugin/pkg/web" +) + +//go:embed "config_schema.json" +var configSchema string + +func init() { + module.Register("unbound", module.Creator{ + JobConfigSchema: configSchema, + Create: func() module.Module { return New() }, + }) +} + +func New() *Unbound { + return &Unbound{ + Config: Config{ + Address: "127.0.0.1:8953", + ConfPath: "/etc/unbound/unbound.conf", + Timeout: web.Duration(time.Second), + Cumulative: false, + UseTLS: true, + TLSConfig: tlscfg.TLSConfig{ + TLSCert: "/etc/unbound/unbound_control.pem", + TLSKey: "/etc/unbound/unbound_control.key", + InsecureSkipVerify: true, + }, + }, + curCache: newCollectCache(), + cache: newCollectCache(), + } +} + +type Config struct { + tlscfg.TLSConfig `yaml:",inline" json:""` + UpdateEvery int `yaml:"update_every" json:"update_every"` + Address string `yaml:"address" json:"address"` + ConfPath string `yaml:"conf_path" json:"conf_path"` + Timeout web.Duration `yaml:"timeout" json:"timeout"` + Cumulative bool `yaml:"cumulative_stats" json:"cumulative_stats"` + UseTLS bool `yaml:"use_tls" json:"use_tls"` +} + +type Unbound struct { + module.Base + Config `yaml:",inline" json:""` + + charts *module.Charts + + client socket.Client + + cache collectCache + curCache collectCache + prevCacheMiss float64 // needed for cumulative mode + extChartsCreated bool +} + +func (u *Unbound) Configuration() any { + return u.Config +} + +func (u *Unbound) Init() error { + if enabled := u.initConfig(); !enabled { + return errors.New("remote control is disabled in the configuration file") + } + + if err := u.initClient(); err != nil { + u.Errorf("creating client: %v", err) + return err + } + + u.charts = charts(u.Cumulative) + + u.Debugf("using address: %s, cumulative: %v, use_tls: %v, timeout: %s", u.Address, u.Cumulative, u.UseTLS, u.Timeout) + if u.UseTLS { + u.Debugf("using tls_skip_verify: %v, tls_key: %s, tls_cert: %s", u.InsecureSkipVerify, u.TLSKey, u.TLSCert) + } + + return nil +} + +func (u *Unbound) Check() error { + mx, err := u.collect() + if err != nil { + u.Error(err) + return err + } + if len(mx) == 0 { + return errors.New("no metrics collected") + } + return nil +} + +func (u *Unbound) Charts() *module.Charts { + return u.charts +} + +func (u *Unbound) Collect() map[string]int64 { + mx, err := u.collect() + if err != nil { + u.Error(err) + } + + if len(mx) == 0 { + return nil + } + return mx +} + +func (u *Unbound) Cleanup() { + if u.client != nil { + _ = u.client.Disconnect() + } +} |