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// SPDX-License-Identifier: GPL-3.0-or-later
package nginx
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("nginx", module.Creator{
JobConfigSchema: configSchema,
Create: func() module.Module { return New() },
})
}
func New() *Nginx {
return &Nginx{
Config: Config{
HTTP: web.HTTP{
Request: web.Request{
URL: "http://127.0.0.1/stub_status",
},
Client: web.Client{
Timeout: web.Duration(time.Second * 1),
},
},
}}
}
type Config struct {
web.HTTP `yaml:",inline" json:""`
UpdateEvery int `yaml:"update_every" json:"update_every"`
}
type Nginx struct {
module.Base
Config `yaml:",inline" json:""`
apiClient *apiClient
}
func (n *Nginx) Configuration() any {
return n.Config
}
func (n *Nginx) Init() error {
if n.URL == "" {
n.Error("URL not set")
return errors.New("url not set")
}
client, err := web.NewHTTPClient(n.Client)
if err != nil {
n.Error(err)
return err
}
n.apiClient = newAPIClient(client, n.Request)
n.Debugf("using URL %s", n.URL)
n.Debugf("using timeout: %s", n.Timeout)
return nil
}
func (n *Nginx) Check() error {
mx, err := n.collect()
if err != nil {
n.Error(err)
return err
}
if len(mx) == 0 {
return errors.New("no metrics collected")
}
return nil
}
func (n *Nginx) Charts() *Charts {
return charts.Copy()
}
func (n *Nginx) Collect() map[string]int64 {
mx, err := n.collect()
if err != nil {
n.Error(err)
return nil
}
return mx
}
func (n *Nginx) Cleanup() {
if n.apiClient != nil && n.apiClient.httpClient != nil {
n.apiClient.httpClient.CloseIdleConnections()
}
}
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