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// SPDX-License-Identifier: GPL-3.0-or-later
package supervisord
import (
_ "embed"
"errors"
"time"
"github.com/netdata/netdata/go/go.d.plugin/agent/module"
"github.com/netdata/netdata/go/go.d.plugin/pkg/web"
)
//go:embed "config_schema.json"
var configSchema string
func init() {
module.Register("supervisord", module.Creator{
JobConfigSchema: configSchema,
Create: func() module.Module { return New() },
})
}
func New() *Supervisord {
return &Supervisord{
Config: Config{
URL: "http://127.0.0.1:9001/RPC2",
Client: web.Client{
Timeout: web.Duration(time.Second),
},
},
charts: summaryCharts.Copy(),
cache: make(map[string]map[string]bool),
}
}
type Config struct {
web.Client `yaml:",inline" json:""`
UpdateEvery int `yaml:"update_every" json:"update_every"`
URL string `yaml:"url" json:"url"`
}
type (
Supervisord struct {
module.Base
Config `yaml:",inline" json:""`
charts *module.Charts
client supervisorClient
cache map[string]map[string]bool // map[group][procName]collected
}
supervisorClient interface {
getAllProcessInfo() ([]processStatus, error)
closeIdleConnections()
}
)
func (s *Supervisord) Configuration() any {
return s.Config
}
func (s *Supervisord) Init() error {
err := s.verifyConfig()
if err != nil {
s.Errorf("verify config: %v", err)
return err
}
client, err := s.initSupervisorClient()
if err != nil {
s.Errorf("init supervisord client: %v", err)
return err
}
s.client = client
return nil
}
func (s *Supervisord) Check() error {
mx, err := s.collect()
if err != nil {
s.Error(err)
return err
}
if len(mx) == 0 {
return errors.New("no metrics collected")
}
return nil
}
func (s *Supervisord) Charts() *module.Charts {
return s.charts
}
func (s *Supervisord) Collect() map[string]int64 {
ms, err := s.collect()
if err != nil {
s.Error(err)
}
if len(ms) == 0 {
return nil
}
return ms
}
func (s *Supervisord) Cleanup() {
if s.client != nil {
s.client.closeIdleConnections()
}
}
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