src/go/plugin/go.d/modules/bind/bind.go
// SPDX-License-Identifier: GPL-3.0-or-later
package bind
import (
_ "embed"
"errors"
"net/http"
"time"
"github.com/netdata/netdata/go/plugins/pkg/matcher"
"github.com/netdata/netdata/go/plugins/plugin/go.d/agent/module"
"github.com/netdata/netdata/go/plugins/plugin/go.d/pkg/confopt"
"github.com/netdata/netdata/go/plugins/plugin/go.d/pkg/web"
)
//go:embed "config_schema.json"
var configSchema string
func init() {
module.Register("bind", module.Creator{
JobConfigSchema: configSchema,
Create: func() module.Module { return New() },
Config: func() any { return &Config{} },
})
}
func New() *Bind {
return &Bind{
Config: Config{
HTTPConfig: web.HTTPConfig{
RequestConfig: web.RequestConfig{
URL: "http://127.0.0.1:8653/json/v1",
},
ClientConfig: web.ClientConfig{
Timeout: confopt.Duration(time.Second),
},
},
},
charts: &Charts{},
}
}
type Config struct {
UpdateEvery int `yaml:"update_every,omitempty" json:"update_every"`
web.HTTPConfig `yaml:",inline" json:""`
PermitView string `yaml:"permit_view,omitempty" json:"permit_view"`
}
type (
Bind struct {
module.Base
Config `yaml:",inline" json:""`
charts *Charts
httpClient *http.Client
bindAPIClient
permitView matcher.Matcher
}
bindAPIClient interface {
serverStats() (*serverStats, error)
}
)
func (b *Bind) Configuration() any {
return b.Config
}
func (b *Bind) Init() error {
if err := b.validateConfig(); err != nil {
b.Errorf("config verification: %v", err)
return err
}
pvm, err := b.initPermitViewMatcher()
if err != nil {
b.Error(err)
return err
}
if pvm != nil {
b.permitView = pvm
}
httpClient, err := web.NewHTTPClient(b.ClientConfig)
if err != nil {
b.Errorf("creating http client : %v", err)
return err
}
b.httpClient = httpClient
bindClient, err := b.initBindApiClient(httpClient)
if err != nil {
b.Error(err)
return err
}
b.bindAPIClient = bindClient
return nil
}
func (b *Bind) Check() error {
mx, err := b.collect()
if err != nil {
b.Error(err)
return err
}
if len(mx) == 0 {
return errors.New("no metrics collected")
}
return nil
}
func (b *Bind) Charts() *Charts {
return b.charts
}
func (b *Bind) Collect() map[string]int64 {
mx, err := b.collect()
if err != nil {
b.Error(err)
return nil
}
return mx
}
func (b *Bind) Cleanup() {
if b.httpClient != nil {
b.httpClient.CloseIdleConnections()
}
}