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// SPDX-License-Identifier: GPL-3.0-or-later
package rabbitmq
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("rabbitmq", module.Creator{
JobConfigSchema: configSchema,
Create: func() module.Module { return New() },
})
}
func New() *RabbitMQ {
return &RabbitMQ{
Config: Config{
HTTP: web.HTTP{
Request: web.Request{
URL: "http://localhost:15672",
Username: "guest",
Password: "guest",
},
Client: web.Client{
Timeout: web.Duration(time.Second),
},
},
CollectQueues: false,
},
charts: baseCharts.Copy(),
vhosts: make(map[string]bool),
queues: make(map[string]queueCache),
}
}
type Config struct {
web.HTTP `yaml:",inline" json:""`
UpdateEvery int `yaml:"update_every" json:"update_every"`
CollectQueues bool `yaml:"collect_queues_metrics" json:"collect_queues_metrics"`
}
type (
RabbitMQ struct {
module.Base
Config `yaml:",inline" json:""`
charts *module.Charts
httpClient *http.Client
nodeName string
vhosts map[string]bool
queues map[string]queueCache
}
queueCache struct {
name, vhost string
}
)
func (r *RabbitMQ) Configuration() any {
return r.Config
}
func (r *RabbitMQ) Init() error {
if r.URL == "" {
r.Error("'url' can not be empty")
return errors.New("url not set")
}
client, err := web.NewHTTPClient(r.Client)
if err != nil {
r.Errorf("init HTTP client: %v", err)
return err
}
r.httpClient = client
r.Debugf("using URL %s", r.URL)
r.Debugf("using timeout: %s", r.Timeout)
return nil
}
func (r *RabbitMQ) Check() error {
mx, err := r.collect()
if err != nil {
r.Error(err)
return err
}
if len(mx) == 0 {
return errors.New("no metrics collected")
}
return nil
}
func (r *RabbitMQ) Charts() *module.Charts {
return r.charts
}
func (r *RabbitMQ) Collect() map[string]int64 {
mx, err := r.collect()
if err != nil {
r.Error(err)
}
if len(mx) == 0 {
return nil
}
return mx
}
func (r *RabbitMQ) Cleanup() {
if r.httpClient != nil {
r.httpClient.CloseIdleConnections()
}
}
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