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// SPDX-License-Identifier: GPL-3.0-or-later
package nginxplus
import (
_ "embed"
"errors"
"net/http"
"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("nginxplus", module.Creator{
JobConfigSchema: configSchema,
Create: func() module.Module { return New() },
})
}
func New() *NginxPlus {
return &NginxPlus{
Config: Config{
HTTP: web.HTTP{
Request: web.Request{
URL: "http://127.0.0.1",
},
Client: web.Client{
Timeout: web.Duration(time.Second * 1),
},
},
},
charts: baseCharts.Copy(),
queryEndpointsEvery: time.Minute,
cache: newCache(),
}
}
type Config struct {
web.HTTP `yaml:",inline" json:""`
UpdateEvery int `yaml:"update_every" json:"update_every"`
}
type NginxPlus struct {
module.Base
Config `yaml:",inline" json:""`
charts *module.Charts
httpClient *http.Client
apiVersion int64
endpoints struct {
nginx bool
connections bool
ssl bool
httpCaches bool
httpRequest bool
httpServerZones bool
httpLocationZones bool
httpUpstreams bool
streamServerZones bool
streamUpstreams bool
resolvers bool
}
queryEndpointsTime time.Time
queryEndpointsEvery time.Duration
cache *cache
}
func (n *NginxPlus) Configuration() any {
return n.Config
}
func (n *NginxPlus) Init() error {
if n.URL == "" {
n.Error("config validation: 'url' can not be empty'")
return errors.New("url not set")
}
client, err := web.NewHTTPClient(n.Client)
if err != nil {
n.Errorf("init HTTP client: %v", err)
return err
}
n.httpClient = client
return nil
}
func (n *NginxPlus) 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 *NginxPlus) Charts() *module.Charts {
return n.charts
}
func (n *NginxPlus) Collect() map[string]int64 {
mx, err := n.collect()
if err != nil {
n.Error(err)
return nil
}
return mx
}
func (n *NginxPlus) Cleanup() {
if n.httpClient != nil {
n.httpClient.CloseIdleConnections()
}
}
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