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// SPDX-License-Identifier: GPL-3.0-or-later
package squid
import (
_ "embed"
"errors"
"net/http"
"time"
"github.com/netdata/netdata/go/plugins/plugin/go.d/agent/module"
"github.com/netdata/netdata/go/plugins/plugin/go.d/pkg/web"
)
//go:embed "config_schema.json"
var configSchema string
func init() {
module.Register("squid", module.Creator{
JobConfigSchema: configSchema,
Create: func() module.Module { return New() },
Config: func() any { return &Config{} },
})
}
func New() *Squid {
return &Squid{
Config: Config{
HTTP: web.HTTP{
Request: web.Request{
URL: "http://127.0.0.1:3128",
},
Client: web.Client{
Timeout: web.Duration(time.Second * 1),
},
},
},
charts: charts.Copy(),
}
}
type Config struct {
UpdateEvery int `yaml:"update_every,omitempty" json:"update_every"`
web.HTTP `yaml:",inline" json:""`
}
type Squid struct {
module.Base
Config `yaml:",inline" json:""`
charts *module.Charts
httpClient *http.Client
}
func (s *Squid) Configuration() any {
return s.Config
}
func (s *Squid) Init() error {
if s.URL == "" {
s.Error("URL not set")
return errors.New("url not set")
}
client, err := web.NewHTTPClient(s.Client)
if err != nil {
s.Error(err)
return err
}
s.httpClient = client
s.Debugf("using URL %s", s.URL)
s.Debugf("using timeout: %s", s.Timeout)
return nil
}
func (s *Squid) 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 *Squid) Charts() *module.Charts {
return s.charts
}
func (s *Squid) Collect() map[string]int64 {
mx, err := s.collect()
if err != nil {
s.Error(err)
}
if len(mx) == 0 {
return nil
}
return mx
}
func (s *Squid) Cleanup() {
if s.httpClient != nil {
s.httpClient.CloseIdleConnections()
}
}
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