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// SPDX-License-Identifier: GPL-3.0-or-later
package couchbase
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("couchbase", module.Creator{
JobConfigSchema: configSchema,
Defaults: module.Defaults{
UpdateEvery: 5,
},
Create: func() module.Module { return New() },
Config: func() any { return &Config{} },
})
}
func New() *Couchbase {
return &Couchbase{
Config: Config{
HTTP: web.HTTP{
Request: web.Request{
URL: "http://127.0.0.1:8091",
},
Client: web.Client{
Timeout: web.Duration(time.Second),
},
},
},
collectedBuckets: make(map[string]bool),
}
}
type Config struct {
UpdateEvery int `yaml:"update_every,omitempty" json:"update_every"`
web.HTTP `yaml:",inline" json:""`
}
type Couchbase struct {
module.Base
Config `yaml:",inline" json:""`
httpClient *http.Client
charts *module.Charts
collectedBuckets map[string]bool
}
func (cb *Couchbase) Configuration() any {
return cb.Config
}
func (cb *Couchbase) Init() error {
err := cb.validateConfig()
if err != nil {
cb.Errorf("check configuration: %v", err)
return err
}
httpClient, err := cb.initHTTPClient()
if err != nil {
cb.Errorf("init HTTP client: %v", err)
return err
}
cb.httpClient = httpClient
charts, err := cb.initCharts()
if err != nil {
cb.Errorf("init charts: %v", err)
return err
}
cb.charts = charts
return nil
}
func (cb *Couchbase) Check() error {
mx, err := cb.collect()
if err != nil {
cb.Error(err)
return err
}
if len(mx) == 0 {
return errors.New("no metrics collected")
}
return nil
}
func (cb *Couchbase) Charts() *Charts {
return cb.charts
}
func (cb *Couchbase) Collect() map[string]int64 {
mx, err := cb.collect()
if err != nil {
cb.Error(err)
}
if len(mx) == 0 {
return nil
}
return mx
}
func (cb *Couchbase) Cleanup() {
if cb.httpClient == nil {
return
}
cb.httpClient.CloseIdleConnections()
}
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