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// SPDX-License-Identifier: GPL-3.0-or-later
package portcheck
import (
_ "embed"
"net"
"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("portcheck", module.Creator{
JobConfigSchema: configSchema,
Defaults: module.Defaults{
UpdateEvery: 5,
},
Create: func() module.Module { return New() },
})
}
func New() *PortCheck {
return &PortCheck{
Config: Config{
Timeout: web.Duration(time.Second * 2),
},
dial: net.DialTimeout,
}
}
type Config struct {
UpdateEvery int `yaml:"update_every" json:"update_every"`
Host string `yaml:"host" json:"host"`
Ports []int `yaml:"ports" json:"ports"`
Timeout web.Duration `yaml:"timeout" json:"timeout"`
}
type PortCheck struct {
module.Base
Config `yaml:",inline" json:""`
charts *module.Charts
dial dialFunc
ports []*port
}
func (pc *PortCheck) Configuration() any {
return pc.Config
}
func (pc *PortCheck) Init() error {
if err := pc.validateConfig(); err != nil {
pc.Errorf("config validation: %v", err)
return err
}
charts, err := pc.initCharts()
if err != nil {
pc.Errorf("init charts: %v", err)
return err
}
pc.charts = charts
pc.ports = pc.initPorts()
pc.Debugf("using host: %s", pc.Host)
pc.Debugf("using ports: %v", pc.Ports)
pc.Debugf("using TCP connection timeout: %s", pc.Timeout)
return nil
}
func (pc *PortCheck) Check() error {
return nil
}
func (pc *PortCheck) Charts() *module.Charts {
return pc.charts
}
func (pc *PortCheck) Collect() map[string]int64 {
mx, err := pc.collect()
if err != nil {
pc.Error(err)
}
if len(mx) == 0 {
return nil
}
return mx
}
func (pc *PortCheck) Cleanup() {}
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