1 files changed, 120 insertions, 0 deletions
diff --git a/src/go/collectors/go.d.plugin/modules/cockroachdb/cockroachdb.go b/src/go/collectors/go.d.plugin/modules/cockroachdb/cockroachdb.go
new file mode 100644
index 000000000..8c2793afc
--- /dev/null
+++ b/src/go/collectors/go.d.plugin/modules/cockroachdb/cockroachdb.go
@@ -0,0 +1,120 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+package cockroachdb
+
+import (
+	_ "embed"
+	"errors"
+	"time"
+
+	"github.com/netdata/netdata/go/go.d.plugin/agent/module"
+	"github.com/netdata/netdata/go/go.d.plugin/pkg/prometheus"
+	"github.com/netdata/netdata/go/go.d.plugin/pkg/web"
+)
+
+//go:embed "config_schema.json"
+var configSchema string
+
+// DefaultMetricsSampleInterval hard coded to 10
+// https://github.com/cockroachdb/cockroach/blob/d5ffbf76fb4c4ef802836529188e4628476879bd/pkg/server/config.go#L56-L58
+const dbSamplingInterval = 10
+
+func init() {
+	module.Register("cockroachdb", module.Creator{
+		JobConfigSchema: configSchema,
+		Defaults: module.Defaults{
+			UpdateEvery: dbSamplingInterval,
+		},
+		Create: func() module.Module { return New() },
+	})
+}
+
+func New() *CockroachDB {
+	return &CockroachDB{
+		Config: Config{
+			HTTP: web.HTTP{
+				Request: web.Request{
+					URL: "http://127.0.0.1:8080/_status/vars",
+				},
+				Client: web.Client{
+					Timeout: web.Duration(time.Second),
+				},
+			},
+		},
+		charts: charts.Copy(),
+	}
+}
+
+type Config struct {
+	web.HTTP    `yaml:",inline" json:""`
+	UpdateEvery int `yaml:"update_every" json:"update_every"`
+}
+
+type CockroachDB struct {
+	module.Base
+	Config `yaml:",inline" json:""`
+
+	charts *Charts
+
+	prom prometheus.Prometheus
+}
+
+func (c *CockroachDB) Configuration() any {
+	return c.Config
+}
+
+func (c *CockroachDB) Init() error {
+	if err := c.validateConfig(); err != nil {
+		c.Errorf("error on validating config: %v", err)
+		return err
+	}
+
+	prom, err := c.initPrometheusClient()
+	if err != nil {
+		c.Error(err)
+		return err
+	}
+	c.prom = prom
+
+	if c.UpdateEvery < dbSamplingInterval {
+		c.Warningf("'update_every'(%d) is lower then CockroachDB default sampling interval (%d)",
+			c.UpdateEvery, dbSamplingInterval)
+	}
+
+	return nil
+}
+
+func (c *CockroachDB) Check() error {
+	mx, err := c.collect()
+	if err != nil {
+		c.Error(err)
+		return err
+	}
+	if len(mx) == 0 {
+		return errors.New("no metrics collected")
+
+	}
+	return nil
+}
+
+func (c *CockroachDB) Charts() *Charts {
+	return c.charts
+}
+
+func (c *CockroachDB) Collect() map[string]int64 {
+	mx, err := c.collect()
+	if err != nil {
+		c.Error(err)
+	}
+
+	if len(mx) == 0 {
+		return nil
+	}
+	return mx
+}
+
+func (c *CockroachDB) Cleanup() {
+	if c.prom != nil && c.prom.HTTPClient() != nil {
+		c.prom.HTTPClient().CloseIdleConnections()
+	}
+}