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// SPDX-License-Identifier: GPL-3.0-or-later
package ntpd
import (
_ "embed"
"errors"
"fmt"
"time"
"github.com/netdata/netdata/go/go.d.plugin/agent/module"
"github.com/netdata/netdata/go/go.d.plugin/pkg/iprange"
"github.com/netdata/netdata/go/go.d.plugin/pkg/web"
)
//go:embed "config_schema.json"
var configSchema string
func init() {
module.Register("ntpd", module.Creator{
JobConfigSchema: configSchema,
Create: func() module.Module { return New() },
})
}
func New() *NTPd {
return &NTPd{
Config: Config{
Address: "127.0.0.1:123",
Timeout: web.Duration(time.Second),
CollectPeers: false,
},
charts: systemCharts.Copy(),
newClient: newNTPClient,
findPeersEvery: time.Minute * 3,
peerAddr: make(map[string]bool),
}
}
type Config struct {
UpdateEvery int `yaml:"update_every" json:"update_every"`
Address string `yaml:"address" json:"address"`
Timeout web.Duration `yaml:"timeout" json:"timeout"`
CollectPeers bool `yaml:"collect_peers" json:"collect_peers"`
}
type (
NTPd struct {
module.Base
Config `yaml:",inline" json:""`
charts *module.Charts
client ntpConn
newClient func(c Config) (ntpConn, error)
findPeersTime time.Time
findPeersEvery time.Duration
peerAddr map[string]bool
peerIDs []uint16
peerIPAddrFilter iprange.Pool
}
ntpConn interface {
systemInfo() (map[string]string, error)
peerInfo(id uint16) (map[string]string, error)
peerIDs() ([]uint16, error)
close()
}
)
func (n *NTPd) Configuration() any {
return n.Config
}
func (n *NTPd) Init() error {
if n.Address == "" {
n.Error("config validation: 'address' can not be empty")
return errors.New("address not set")
}
txt := "0.0.0.0 127.0.0.0/8"
r, err := iprange.ParseRanges(txt)
if err != nil {
n.Errorf("error on parsing ip range '%s': %v", txt, err)
return fmt.Errorf("error on parsing ip range '%s': %v", txt, err)
}
n.peerIPAddrFilter = r
return nil
}
func (n *NTPd) 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 *NTPd) Charts() *module.Charts {
return n.charts
}
func (n *NTPd) Collect() map[string]int64 {
mx, err := n.collect()
if err != nil {
n.Error(err)
}
if len(mx) == 0 {
return nil
}
return mx
}
func (n *NTPd) Cleanup() {
if n.client != nil {
n.client.close()
n.client = nil
}
}
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