go routines now run forever like they are supposed to

This commit is contained in:
Matthew R Kasun 2022-01-03 22:21:52 +00:00
parent 7bc99d3076
commit f5aa383541

View file

@ -30,6 +30,7 @@ func Daemon() error {
signal.Notify(quit, syscall.SIGTERM, os.Interrupt)
<-quit
cancel()
ncutils.Log("all done")
return nil
}
@ -48,29 +49,28 @@ func SetupMQTT(cfg config.ClientConfig) mqtt.Client {
//Netclient sets up Message Queue and subsribes/publishes updates to/from server
func Netclient(ctx context.Context, network string) {
select {
case <-ctx.Done():
ncutils.Log("shutting down daemon")
return
default:
var cfg config.ClientConfig
cfg.Network = network
cfg.ReadConfig()
//fix NodeID to remove ### so NodeID can be used as message topic
//remove with GRA-73
cfg.Node.ID = strings.ReplaceAll(cfg.Node.ID, "###", "-")
ncutils.Log("daemon started for network:" + network)
client := SetupMQTT(cfg)
if token := client.Subscribe("#", 0, nil); token.Wait() && token.Error() != nil {
log.Fatal(token.Error())
}
client.AddRoute("update/"+cfg.Node.ID, NodeUpdate)
client.AddRoute("update/peers/"+cfg.Node.ID, UpdatePeers)
client.AddRoute("update/keys/"+cfg.Node.ID, UpdateKeys)
defer client.Disconnect(250)
go Checkin(ctx, cfg, network)
go Metrics(ctx, cfg, network)
ncutils.Log("netclient go routine started for " + network)
var cfg config.ClientConfig
cfg.Network = network
cfg.ReadConfig()
//fix NodeID to remove ### so NodeID can be used as message topic
//remove with GRA-73
cfg.Node.ID = strings.ReplaceAll(cfg.Node.ID, "###", "-")
ncutils.Log("daemon started for network:" + network)
client := SetupMQTT(cfg)
if token := client.Subscribe("#", 0, nil); token.Wait() && token.Error() != nil {
log.Fatal(token.Error())
}
client.AddRoute("update/"+cfg.Node.ID, NodeUpdate)
client.AddRoute("update/peers/"+cfg.Node.ID, UpdatePeers)
client.AddRoute("update/keys/"+cfg.Node.ID, UpdateKeys)
defer client.Disconnect(250)
go Checkin(ctx, cfg, network)
go Metrics(ctx, cfg, network)
<-ctx.Done()
ncutils.Log("shutting down daemon")
return
ncutils.Log("netclient go routine ended for " + network)
}
//All -- mqtt message hander for all ('#') topics
@ -97,42 +97,44 @@ var UpdateKeys mqtt.MessageHandler = func(client mqtt.Client, msg mqtt.Message)
//Checkin -- go routine that checks for public or local ip changes, publishes changes
// if there are no updates, simply "pings" the server as a checkin
func Checkin(ctx context.Context, cfg config.ClientConfig, network string) {
select {
case <-ctx.Done():
ncutils.Log("Checkin cancelled")
return
//delay should be configuraable -> use cfg.Node.NetworkSettings.DefaultCheckInInterval ??
case <-time.After(time.Second * 10):
ncutils.Log("Checkin running")
if cfg.Node.Roaming == "yes" && cfg.Node.IsStatic != "yes" {
extIP, err := ncutils.GetPublicIP()
if err != nil {
ncutils.PrintLog("error encountered checking ip addresses: "+err.Error(), 1)
}
if cfg.Node.Endpoint != extIP && extIP != "" {
ncutils.PrintLog("endpoint has changed from "+cfg.Node.Endpoint+" to "+extIP, 1)
UpdateEndpoint(cfg, network, extIP)
}
intIP, err := getPrivateAddr()
if err != nil {
ncutils.PrintLog("error encountered checking ip addresses: "+err.Error(), 1)
}
if cfg.Node.LocalAddress != intIP && intIP != "" {
ncutils.PrintLog("local Address has changed from "+cfg.Node.LocalAddress+" to "+intIP, 1)
UpdateLocalAddress(cfg, network, intIP)
}
} else {
localIP, err := ncutils.GetLocalIP(cfg.Node.LocalRange)
if err != nil {
ncutils.PrintLog("error encountered checking ip addresses: "+err.Error(), 1)
}
if cfg.Node.Endpoint != localIP && localIP != "" {
ncutils.PrintLog("endpoint has changed from "+cfg.Node.Endpoint+" to "+localIP, 1)
UpdateEndpoint(cfg, network, localIP)
for {
select {
case <-ctx.Done():
ncutils.Log("Checkin cancelled")
return
//delay should be configuraable -> use cfg.Node.NetworkSettings.DefaultCheckInInterval ??
case <-time.After(time.Second * 10):
ncutils.Log("Checkin running")
if cfg.Node.Roaming == "yes" && cfg.Node.IsStatic != "yes" {
extIP, err := ncutils.GetPublicIP()
if err != nil {
ncutils.PrintLog("error encountered checking ip addresses: "+err.Error(), 1)
}
if cfg.Node.Endpoint != extIP && extIP != "" {
ncutils.PrintLog("endpoint has changed from "+cfg.Node.Endpoint+" to "+extIP, 1)
UpdateEndpoint(cfg, network, extIP)
}
intIP, err := getPrivateAddr()
if err != nil {
ncutils.PrintLog("error encountered checking ip addresses: "+err.Error(), 1)
}
if cfg.Node.LocalAddress != intIP && intIP != "" {
ncutils.PrintLog("local Address has changed from "+cfg.Node.LocalAddress+" to "+intIP, 1)
UpdateLocalAddress(cfg, network, intIP)
}
} else {
localIP, err := ncutils.GetLocalIP(cfg.Node.LocalRange)
if err != nil {
ncutils.PrintLog("error encountered checking ip addresses: "+err.Error(), 1)
}
if cfg.Node.Endpoint != localIP && localIP != "" {
ncutils.PrintLog("endpoint has changed from "+cfg.Node.Endpoint+" to "+localIP, 1)
UpdateEndpoint(cfg, network, localIP)
}
}
Hello(cfg, network)
ncutils.Log("Checkin complete")
}
Hello(cfg, network)
ncutils.Log("Checkin complete")
}
}
@ -159,7 +161,7 @@ func UpdateLocalAddress(cfg config.ClientConfig, network, ip string) {
//Hello -- ping the broker to let server know node is alive and doing fine
func Hello(cfg config.ClientConfig, network string) {
client := SetupMQTT(cfg)
if token := client.Publish("ping/"+network+"/"+cfg.Node.ID, 0, false, "hello world!"); token.Wait() && token.Error() != nil {
if token := client.Publish("ping/"+cfg.Node.ID, 0, false, "hello world!"); token.Wait() && token.Error() != nil {
ncutils.Log("error publishing ping " + token.Error().Error())
}
client.Disconnect(250)
@ -167,35 +169,37 @@ func Hello(cfg config.ClientConfig, network string) {
//Metics -- go routine that collects wireguard metrics and publishes to broker
func Metrics(ctx context.Context, cfg config.ClientConfig, network string) {
select {
case <-ctx.Done():
ncutils.Log("Metrics collection cancelled")
return
//delay should be configuraable -> use cfg.Node.NetworkSettings.DefaultCheckInInterval ??
case <-time.After(time.Second * 60):
ncutils.Log("Metrics collection running")
ncutils.Log("Metrics running")
wg, err := wgctrl.New()
if err != nil {
ncutils.Log("error getting devices " + err.Error())
break
for {
select {
case <-ctx.Done():
ncutils.Log("Metrics collection cancelled")
return
//delay should be configuraable -> use cfg.Node.NetworkSettings.DefaultCheckInInterval ??
case <-time.After(time.Second * 60):
ncutils.Log("Metrics collection running")
ncutils.Log("Metrics running")
wg, err := wgctrl.New()
if err != nil {
ncutils.Log("error getting devices " + err.Error())
break
}
device, err := wg.Device(cfg.Node.Interface)
if err != nil {
ncutils.Log("error readind wg device " + err.Error())
break
}
bytes, err := json.Marshal(device.Peers)
if err != nil {
ncutils.Log("error marshaling peers " + err.Error())
break
}
client := SetupMQTT(cfg)
if token := client.Publish("metrics/"+cfg.Node.ID, 1, false, bytes); token.Wait() && token.Error() != nil {
ncutils.Log("error publishing metrics " + token.Error().Error())
}
wg.Close()
client.Disconnect(250)
ncutils.Log("metrics collection complete")
}
device, err := wg.Device(cfg.Node.Interface)
if err != nil {
ncutils.Log("error readind wg device " + err.Error())
break
}
bytes, err := json.Marshal(device.Peers)
if err != nil {
ncutils.Log("error marshaling peers " + err.Error())
break
}
client := SetupMQTT(cfg)
if token := client.Publish("metrics/"+cfg.Node.ID, 1, false, bytes); token.Wait() && token.Error() != nil {
ncutils.Log("error publishing metrics " + token.Error().Error())
}
wg.Close()
client.Disconnect(250)
ncutils.Log("metrics collection complete")
}
}