diff options
Diffstat (limited to '')
-rw-r--r-- | src/go/collectors/go.d.plugin/modules/cockroachdb/cockroachdb.go | 120 |
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() + } +} |