log to logfile

Author: merlinfuchs

.gitignore

@@ -1,3 +1,4 @@
 .DS_Store
 blimp.toml
-blimp
+blimp
+blimp.log

go.mod

@@ -10,15 +10,16 @@ require (
 	github.com/knadh/koanf/providers/file v0.1.0
 	github.com/knadh/koanf/providers/rawbytes v0.1.0
 	github.com/knadh/koanf/v2 v2.0.1
+	github.com/mmcdole/gofeed v1.2.1
 	github.com/prometheus-community/pro-bing v0.3.0
 	github.com/rivo/tview v0.0.0-20230826141931-7344139b5532
 	github.com/rs/zerolog v1.30.0
+	gopkg.in/natefinch/lumberjack.v2 v2.2.1
 )
 
 require (
 	github.com/PuerkitoBio/goquery v1.8.0 // indirect
 	github.com/andybalholm/cascadia v1.3.1 // indirect
-	github.com/briandowns/openweathermap v0.19.0 // indirect
 	github.com/fsnotify/fsnotify v1.6.0 // indirect
 	github.com/gdamore/encoding v1.0.0 // indirect
 	github.com/google/uuid v1.3.0 // indirect
@@ -31,7 +32,6 @@ require (
 	github.com/mitchellh/copystructure v1.2.0 // indirect
 	github.com/mitchellh/mapstructure v1.5.0 // indirect
 	github.com/mitchellh/reflectwalk v1.0.2 // indirect
-	github.com/mmcdole/gofeed v1.2.1 // indirect
 	github.com/mmcdole/goxpp v1.1.0 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect

go.sum

@@ -2,8 +2,6 @@ github.com/PuerkitoBio/goquery v1.8.0 h1:PJTF7AmFCFKk1N6V6jmKfrNH9tV5pNE6lZMkG0g
 github.com/PuerkitoBio/goquery v1.8.0/go.mod h1:ypIiRMtY7COPGk+I/YbZLbxsxn9g5ejnI2HSMtkjZvI=
 github.com/andybalholm/cascadia v1.3.1 h1:nhxRkql1kdYCc8Snf7D5/D3spOX+dBgjA6u8x004T2c=
 github.com/andybalholm/cascadia v1.3.1/go.mod h1:R4bJ1UQfqADjvDa4P6HZHLh/3OxWWEqc0Sk8XGwHqvA=
-github.com/briandowns/openweathermap v0.19.0 h1:nkopLMEtZLxbZI1th6dOG6xkajpszofqf53r5K8mT9k=
-github.com/briandowns/openweathermap v0.19.0/go.mod h1:0GLnknqicWxXnGi1IqoOaZIw+kIe5hkt+YM5WY3j8+0=
 github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
@@ -117,4 +115,6 @@ golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGm
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+gopkg.in/natefinch/lumberjack.v2 v2.2.1 h1:bBRl1b0OH9s/DuPhuXpNl+VtCaJXFZ5/uEFST95x9zc=
+gopkg.in/natefinch/lumberjack.v2 v2.2.1/go.mod h1:YD8tP3GAjkrDg1eZH7EGmyESg/lsYskCTPBJVb9jqSc=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=

internal/logging/logging.go

@@ -0,0 +1,32 @@
+package logging
+
+import (
+	"io"
+	"os"
+
+	"github.com/merlinfuchs/blimp/internal/config"
+	"github.com/rs/zerolog"
+	"github.com/rs/zerolog/log"
+	"gopkg.in/natefinch/lumberjack.v2"
+)
+
+func InitLogger() {
+	logContext := log.With()
+
+	logWriters := make([]io.Writer, 0)
+	logWriters = append(logWriters, &lumberjack.Logger{
+		Filename:   config.K.String("logging.filename"),
+		MaxSize:    config.K.Int("logging.max_size"),
+		MaxAge:     config.K.Int("logging.max_age"),
+		MaxBackups: config.K.Int("logging.max_backups"),
+	})
+	if config.K.Bool("debug") {
+		zerolog.SetGlobalLevel(zerolog.DebugLevel)
+		logWriters = append(logWriters, zerolog.ConsoleWriter{Out: os.Stdout})
+	} else {
+		zerolog.SetGlobalLevel(zerolog.InfoLevel)
+	}
+
+	writer := io.MultiWriter(logWriters...)
+	log.Logger = logContext.Logger().Output(writer)
+}

internal/widgets/latency/latency.go

@@ -33,31 +33,36 @@ func New() *LatencyView {
 }
 
 func (l *LatencyView) Start() {
-	pinger, err := ping.NewPinger(config.K.String("widgets.latency.target_host"))
-	if err != nil {
-		log.Fatal().Err(err).Msgf("Failed to create pinger, latency won't be displayed")
-		return
-	}
+	var pinger *ping.Pinger
 
 	go func() {
 		<-l.stopped
-		pinger.Stop()
+		if pinger != nil {
+			pinger.Stop()
+		}
 	}()
 
 	go func() {
-		pinger.SetPrivileged(false)
-		pinger.Interval = time.Duration(config.K.Int("widgets.latency.update_interval")) * time.Millisecond
-
-		pinger.OnRecv = func(pkt *ping.Packet) {
-			newValue := float64(pkt.Rtt.Microseconds()) / 1000
-			l.data = append(l.data[1:], newValue)
-		}
-
 		for {
 			select {
 			case <-l.stopped:
 				return
 			default:
+				var err error
+				pinger, err = ping.NewPinger(config.K.String("widgets.latency.target_host"))
+				if err != nil {
+					log.Error().Err(err).Msgf("Failed to create pinger")
+					return
+				}
+
+				pinger.SetPrivileged(false)
+				pinger.Interval = time.Duration(config.K.Int("widgets.latency.update_interval")) * time.Millisecond
+
+				pinger.OnRecv = func(pkt *ping.Packet) {
+					newValue := float64(pkt.Rtt.Microseconds()) / 1000
+					l.data = append(l.data[1:], newValue)
+				}
+
 				err = pinger.Run()
 				if err != nil {
 					log.Error().Err(err).Msgf("Failed to run pinger, latency won't be displayed")