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// SPDX-License-Identifier: GPL-3.0-or-later
package fluentd
import (
_ "embed"
"errors"
"time"
"github.com/netdata/netdata/go/go.d.plugin/agent/module"
"github.com/netdata/netdata/go/go.d.plugin/pkg/matcher"
"github.com/netdata/netdata/go/go.d.plugin/pkg/web"
)
//go:embed "config_schema.json"
var configSchema string
func init() {
module.Register("fluentd", module.Creator{
JobConfigSchema: configSchema,
Create: func() module.Module { return New() },
})
}
func New() *Fluentd {
return &Fluentd{
Config: Config{
HTTP: web.HTTP{
Request: web.Request{
URL: "http://127.0.0.1:24220",
},
Client: web.Client{
Timeout: web.Duration(time.Second),
},
}},
activePlugins: make(map[string]bool),
charts: charts.Copy(),
}
}
type Config struct {
web.HTTP `yaml:",inline" json:""`
UpdateEvery int `yaml:"update_every" json:"update_every"`
PermitPlugin string `yaml:"permit_plugin_id" json:"permit_plugin_id"`
}
type Fluentd struct {
module.Base
Config `yaml:",inline" json:""`
charts *Charts
apiClient *apiClient
permitPlugin matcher.Matcher
activePlugins map[string]bool
}
func (f *Fluentd) Configuration() any {
return f.Config
}
func (f *Fluentd) Init() error {
if err := f.validateConfig(); err != nil {
f.Error(err)
return err
}
pm, err := f.initPermitPluginMatcher()
if err != nil {
f.Error(err)
return err
}
f.permitPlugin = pm
client, err := f.initApiClient()
if err != nil {
f.Error(err)
return err
}
f.apiClient = client
f.Debugf("using URL %s", f.URL)
f.Debugf("using timeout: %s", f.Timeout.Duration())
return nil
}
func (f *Fluentd) Check() error {
mx, err := f.collect()
if err != nil {
f.Error(err)
return err
}
if len(mx) == 0 {
return errors.New("no metrics collected")
}
return nil
}
func (f *Fluentd) Charts() *Charts {
return f.charts
}
func (f *Fluentd) Collect() map[string]int64 {
mx, err := f.collect()
if err != nil {
f.Error(err)
return nil
}
return mx
}
func (f *Fluentd) Cleanup() {
if f.apiClient != nil && f.apiClient.httpClient != nil {
f.apiClient.httpClient.CloseIdleConnections()
}
}
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