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// SPDX-License-Identifier: GPL-3.0-or-later
package rabbitmq
import (
_ "embed"
"errors"
"fmt"
"net/http"
"time"
"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("rabbitmq", module.Creator{
JobConfigSchema: configSchema,
Create: func() module.Module { return New() },
Config: func() any { return &Config{} },
})
}
func New() *RabbitMQ {
return &RabbitMQ{
Config: Config{
HTTPConfig: web.HTTPConfig{
RequestConfig: web.RequestConfig{
URL: "http://localhost:15672",
Username: "guest",
Password: "guest",
},
ClientConfig: web.ClientConfig{
Timeout: confopt.Duration(time.Second),
},
},
CollectQueues: false,
},
charts: baseCharts.Copy(),
vhosts: make(map[string]bool),
queues: make(map[string]queueCache),
}
}
type Config struct {
UpdateEvery int `yaml:"update_every,omitempty" json:"update_every"`
web.HTTPConfig `yaml:",inline" json:""`
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 == "" {
return errors.New("config: url not set")
}
client, err := web.NewHTTPClient(r.ClientConfig)
if err != nil {
return fmt.Errorf("init HTTP client: %v", 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 {
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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