diff options
Diffstat (limited to '')
-rw-r--r-- | src/go/collectors/go.d.plugin/modules/cassandra/cassandra.go | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/src/go/collectors/go.d.plugin/modules/cassandra/cassandra.go b/src/go/collectors/go.d.plugin/modules/cassandra/cassandra.go new file mode 100644 index 000000000..ee39246d5 --- /dev/null +++ b/src/go/collectors/go.d.plugin/modules/cassandra/cassandra.go @@ -0,0 +1,118 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +package cassandra + +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 + +func init() { + module.Register("cassandra", module.Creator{ + JobConfigSchema: configSchema, + Defaults: module.Defaults{ + UpdateEvery: 5, + }, + Create: func() module.Module { return New() }, + Config: func() any { return &Config{} }, + }) +} + +func New() *Cassandra { + return &Cassandra{ + Config: Config{ + HTTP: web.HTTP{ + Request: web.Request{ + URL: "http://127.0.0.1:7072/metrics", + }, + Client: web.Client{ + Timeout: web.Duration(time.Second * 5), + }, + }, + }, + charts: baseCharts.Copy(), + validateMetrics: true, + mx: newCassandraMetrics(), + } +} + +type Config struct { + UpdateEvery int `yaml:"update_every,omitempty" json:"update_every"` + web.HTTP `yaml:",inline" json:""` +} + +type Cassandra struct { + module.Base + Config `yaml:",inline" json:""` + + charts *module.Charts + + prom prometheus.Prometheus + + validateMetrics bool + + mx *cassandraMetrics +} + +func (c *Cassandra) Configuration() any { + return c.Config +} + +func (c *Cassandra) 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.Errorf("error on init prometheus client: %v", err) + return err + } + c.prom = prom + + return nil +} + +func (c *Cassandra) 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 *Cassandra) Charts() *module.Charts { + return c.charts +} + +func (c *Cassandra) Collect() map[string]int64 { + mx, err := c.collect() + if err != nil { + c.Error(err) + } + + if len(mx) == 0 { + return nil + } + return mx +} + +func (c *Cassandra) Cleanup() { + if c.prom != nil && c.prom.HTTPClient() != nil { + c.prom.HTTPClient().CloseIdleConnections() + } +} |