1 files changed, 122 insertions, 0 deletions
diff --git a/src/go/collectors/go.d.plugin/modules/dnsmasq/dnsmasq.go b/src/go/collectors/go.d.plugin/modules/dnsmasq/dnsmasq.go
new file mode 100644
index 000000000..65415fbab
--- /dev/null
+++ b/src/go/collectors/go.d.plugin/modules/dnsmasq/dnsmasq.go
@@ -0,0 +1,122 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+package dnsmasq
+
+import (
+	_ "embed"
+	"errors"
+	"time"
+
+	"github.com/netdata/netdata/go/go.d.plugin/agent/module"
+	"github.com/netdata/netdata/go/go.d.plugin/pkg/web"
+
+	"github.com/miekg/dns"
+)
+
+//go:embed "config_schema.json"
+var configSchema string
+
+func init() {
+	module.Register("dnsmasq", module.Creator{
+		JobConfigSchema: configSchema,
+		Create:          func() module.Module { return New() },
+	})
+}
+
+func New() *Dnsmasq {
+	return &Dnsmasq{
+		Config: Config{
+			Protocol: "udp",
+			Address:  "127.0.0.1:53",
+			Timeout:  web.Duration(time.Second),
+		},
+
+		newDNSClient: func(network string, timeout time.Duration) dnsClient {
+			return &dns.Client{
+				Net:     network,
+				Timeout: timeout,
+			}
+		},
+	}
+}
+
+type Config struct {
+	UpdateEvery int          `yaml:"update_every" json:"update_every"`
+	Protocol    string       `yaml:"protocol" json:"protocol"`
+	Address     string       `yaml:"address" json:"address"`
+	Timeout     web.Duration `yaml:"timeout" json:"timeout"`
+}
+
+type (
+	Dnsmasq struct {
+		module.Base
+		Config `yaml:",inline" json:""`
+
+		charts *module.Charts
+
+		dnsClient    dnsClient
+		newDNSClient func(network string, timeout time.Duration) dnsClient
+	}
+	dnsClient interface {
+		Exchange(msg *dns.Msg, address string) (resp *dns.Msg, rtt time.Duration, err error)
+	}
+)
+
+func (d *Dnsmasq) Configuration() any {
+	return d.Config
+}
+
+func (d *Dnsmasq) Init() error {
+	err := d.validateConfig()
+	if err != nil {
+		d.Errorf("config validation: %v", err)
+		return err
+	}
+
+	client, err := d.initDNSClient()
+	if err != nil {
+		d.Errorf("init DNS client: %v", err)
+		return err
+	}
+	d.dnsClient = client
+
+	charts, err := d.initCharts()
+	if err != nil {
+		d.Errorf("init charts: %v", err)
+		return err
+	}
+	d.charts = charts
+
+	return nil
+}
+
+func (d *Dnsmasq) Check() error {
+	mx, err := d.collect()
+	if err != nil {
+		d.Error(err)
+		return err
+	}
+	if len(mx) == 0 {
+		return errors.New("no metrics collected")
+
+	}
+	return nil
+}
+
+func (d *Dnsmasq) Charts() *module.Charts {
+	return d.charts
+}
+
+func (d *Dnsmasq) Collect() map[string]int64 {
+	ms, err := d.collect()
+	if err != nil {
+		d.Error(err)
+	}
+
+	if len(ms) == 0 {
+		return nil
+	}
+	return ms
+}
+
+func (d *Dnsmasq) Cleanup() {}