src/go/plugin/go.d/modules/gearman/gearman.go
// SPDX-License-Identifier: GPL-3.0-or-later
package gearman
import (
_ "embed"
"errors"
"time"
"github.com/netdata/netdata/go/plugins/plugin/go.d/agent/module"
"github.com/netdata/netdata/go/plugins/plugin/go.d/pkg/confopt"
)
//go:embed "config_schema.json"
var configSchema string
func init() {
module.Register("gearman", module.Creator{
JobConfigSchema: configSchema,
Create: func() module.Module { return New() },
Config: func() any { return &Config{} },
})
}
func New() *Gearman {
return &Gearman{
Config: Config{
Address: "127.0.0.1:4730",
Timeout: confopt.Duration(time.Second * 1),
},
newConn: newGearmanConn,
charts: summaryCharts.Copy(),
seenTasks: make(map[string]bool),
seenPriorityTasks: make(map[string]bool),
}
}
type Config struct {
UpdateEvery int `yaml:"update_every,omitempty" json:"update_every"`
Address string `yaml:"address" json:"address"`
Timeout confopt.Duration `yaml:"timeout" json:"timeout"`
}
type Gearman struct {
module.Base
Config `yaml:",inline" json:""`
charts *module.Charts
newConn func(Config) gearmanConn
conn gearmanConn
seenTasks map[string]bool
seenPriorityTasks map[string]bool
}
func (g *Gearman) Configuration() any {
return g.Config
}
func (g *Gearman) Init() error {
if g.Address == "" {
g.Error("config: 'address' not set")
return errors.New("address not set")
}
return nil
}
func (g *Gearman) Check() error {
mx, err := g.collect()
if err != nil {
g.Error(err)
return err
}
if len(mx) == 0 {
return errors.New("no metrics collected")
}
return nil
}
func (g *Gearman) Charts() *module.Charts {
return g.charts
}
func (g *Gearman) Collect() map[string]int64 {
mx, err := g.collect()
if err != nil {
g.Error(err)
}
if len(mx) == 0 {
return nil
}
return mx
}
func (g *Gearman) Cleanup() {
if g.conn != nil {
g.conn.disconnect()
g.conn = nil
}
}