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()
+	}
+}