func newHTTPMonitorIPsJob(
config *Config,
addr string,
tls *transport.TLSConfig,
enc contentEncoder,
body []byte,
validator RespCheck,
) (monitors.Job, error) {
typ := config.Name
jobName := fmt.Sprintf("%v@%v", typ, addr)
req, err := buildRequest(addr, config, enc)
if err != nil {
return nil, err
}
hostname, port, err := splitHostnamePort(req)
if err != nil {
return nil, err
}
pingFactory := createPingFactory(config, hostname, port, tls, req, body, validator)
if ip := net.ParseIP(hostname); ip != nil {
return monitors.MakeByIPJob(jobName, typ, ip, pingFactory)
}
return monitors.MakeByHostJob(jobName, typ, hostname, config.Mode, pingFactory)
}
func newTCPMonitorIPsJob(
addr connURL,
tls *transport.TLSConfig,
config *Config,
) (monitors.Job, error) {
typ := config.Name
timeout := config.Timeout
jobType := jobType(addr.Scheme)
jobName := jobName(typ, jobType, addr.Host, addr.Ports)
validator := makeValidateConn(config)
dialerFactory, err := buildHostDialerChainFactory(addr.Scheme, tls, config)
if err != nil {
return nil, err
}
pingFactory := createPingFactory(dialerFactory, addr, timeout, validator)
if ip := net.ParseIP(addr.Host); ip != nil {
debugf("Make TCP by IP job: %v:%v", ip, addr.Ports)
return monitors.MakeByIPJob(jobName, typ, ip, pingFactory)
}
debugf("Make TCP by Host job: %v:%v (mode=%#v)", addr.Host, addr.Ports, config.Mode)
return monitors.MakeByHostJob(jobName, typ, addr.Host, config.Mode, pingFactory)
}
func create(
info monitors.Info,
cfg *common.Config,
) ([]monitors.Job, error) {
config := DefaultConfig
if err := cfg.Unpack(&config); err != nil {
return nil, err
}
// TODO: check icmp is support by OS + check we've
// got required credentials (implementation uses RAW socket, requires root +
// not supported on all OSes)
// TODO: replace icmp package base reader/sender using raw sockets with
// OS specific solution
var jobs []monitors.Job
addJob := func(t monitors.Job, err error) error {
if err != nil {
return err
}
jobs = append(jobs, t)
return nil
}
ipVersion := config.Mode.Network()
if len(config.Hosts) > 0 && ipVersion == "" {
err := fmt.Errorf("pinging hosts requires ipv4 or ipv6 mode enabled")
return nil, err
}
var loopErr error
loopInit.Do(func() {
debugf("initialize icmp handler")
loop, loopErr = newICMPLoop()
})
if loopErr != nil {
debugf("Failed to initialize ICMP loop %v", loopErr)
return nil, loopErr
}
typ := config.Name
network := config.Mode.Network()
pingFactory := monitors.MakePingIPFactory(nil, createPingIPFactory(&config))
for _, host := range config.Hosts {
ip := net.ParseIP(host)
if ip != nil {
name := fmt.Sprintf("icmp-ip@%v", ip.String())
err := addJob(monitors.MakeByIPJob(name, typ, ip, pingFactory))
if err != nil {
return nil, err
}
continue
}
name := fmt.Sprintf("%v-host-%v@%v", config.Name, network, host)
err := addJob(monitors.MakeByHostJob(name, typ, host, config.Mode, pingFactory))
if err != nil {
return nil, err
}
}
return jobs, nil
}