How to use Fire method of log Package

Best K6 code snippet using log.Fire

log.go

Source:log.go Github

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1package model2import (3 "context"4 "fmt"5 "sync"6 "time"7 "github.com/derailed/k9s/internal"8 "github.com/derailed/k9s/internal/client"9 "github.com/derailed/k9s/internal/color"10 "github.com/derailed/k9s/internal/config"11 "github.com/derailed/k9s/internal/dao"12 "github.com/rs/zerolog/log"13)14// LogsListener represents a log model listener.15type LogsListener interface {16 // LogChanged notifies the model changed.17 LogChanged([][]byte)18 // LogCleared indicates logs are cleared.19 LogCleared()20 // LogFailed indicates a log failure.21 LogFailed(error)22 // LogStop indicates logging was canceled.23 LogStop()24 // LogResume indicates loggings has resumed.25 LogResume()26 // LogCanceled indicates no more logs will come.27 LogCanceled()28}29// Log represents a resource logger.30type Log struct {31 factory dao.Factory32 lines *dao.LogItems33 listeners []LogsListener34 gvr client.GVR35 logOptions *dao.LogOptions36 cancelFn context.CancelFunc37 mx sync.RWMutex38 filter string39 lastSent int40 flushTimeout time.Duration41}42// NewLog returns a new model.43func NewLog(gvr client.GVR, opts *dao.LogOptions, flushTimeout time.Duration) *Log {44 return &Log{45 gvr: gvr,46 logOptions: opts,47 lines: dao.NewLogItems(),48 flushTimeout: flushTimeout,49 }50}51func (l *Log) GVR() client.GVR {52 return l.gvr53}54func (l *Log) LogOptions() *dao.LogOptions {55 return l.logOptions56}57// SinceSeconds returns since seconds option.58func (l *Log) SinceSeconds() int64 {59 l.mx.RLock()60 defer l.mx.RUnlock()61 return l.logOptions.SinceSeconds62}63// IsHead returns log head option.64func (l *Log) IsHead() bool {65 l.mx.RLock()66 defer l.mx.RUnlock()67 return l.logOptions.Head68}69// ToggleShowTimestamp toggles to logs timestamps.70func (l *Log) ToggleShowTimestamp(b bool) {71 l.logOptions.ShowTimestamp = b72 l.Refresh()73}74func (l *Log) Head(ctx context.Context) {75 l.mx.Lock()76 {77 l.logOptions.Head = true78 }79 l.mx.Unlock()80 l.Restart(ctx)81}82// SetSinceSeconds sets the logs retrieval time.83func (l *Log) SetSinceSeconds(ctx context.Context, i int64) {84 l.logOptions.SinceSeconds, l.logOptions.Head = i, false85 l.Restart(ctx)86}87// Configure sets logger configuration.88func (l *Log) Configure(opts *config.Logger) {89 l.logOptions.Lines = int64(opts.TailCount)90 l.logOptions.SinceSeconds = opts.SinceSeconds91}92// GetPath returns resource path.93func (l *Log) GetPath() string {94 return l.logOptions.Path95}96// GetContainer returns the resource container if any or "" otherwise.97func (l *Log) GetContainer() string {98 return l.logOptions.Container99}100// HasDefaultContainer returns true if the pod has a default container, false otherwise.101func (l *Log) HasDefaultContainer() bool {102 return l.logOptions.DefaultContainer != ""103}104// Init initializes the model.105func (l *Log) Init(f dao.Factory) {106 l.factory = f107}108// Clear the logs.109func (l *Log) Clear() {110 l.mx.Lock()111 {112 l.lines.Clear()113 l.lastSent = 0114 }115 l.mx.Unlock()116 l.fireLogCleared()117}118// Refresh refreshes the logs.119func (l *Log) Refresh() {120 l.fireLogCleared()121 ll := make([][]byte, l.lines.Len())122 l.lines.Render(0, l.logOptions.ShowTimestamp, ll)123 l.fireLogChanged(ll)124}125// Restart restarts the logger.126func (l *Log) Restart(ctx context.Context) {127 l.Stop()128 l.Clear()129 l.fireLogResume()130 l.Start(ctx)131}132// Start starts logging.133func (l *Log) Start(ctx context.Context) {134 if err := l.load(ctx); err != nil {135 log.Error().Err(err).Msgf("Tail logs failed!")136 l.fireLogError(err)137 }138}139// Stop terminates logging.140func (l *Log) Stop() {141 l.cancel()142}143// Set sets the log lines (for testing only!)144func (l *Log) Set(lines *dao.LogItems) {145 l.mx.Lock()146 {147 l.lines.Merge(lines)148 }149 l.mx.Unlock()150 l.fireLogCleared()151 ll := make([][]byte, l.lines.Len())152 l.lines.Render(0, l.logOptions.ShowTimestamp, ll)153 l.fireLogChanged(ll)154}155// ClearFilter resets the log filter if any.156func (l *Log) ClearFilter() {157 l.mx.Lock()158 {159 l.filter = ""160 }161 l.mx.Unlock()162 l.fireLogCleared()163 ll := make([][]byte, l.lines.Len())164 l.lines.Render(0, l.logOptions.ShowTimestamp, ll)165 l.fireLogChanged(ll)166}167// Filter filters the model using either fuzzy or regexp.168func (l *Log) Filter(q string) {169 l.mx.Lock()170 {171 l.filter = q172 }173 l.mx.Unlock()174 l.fireLogCleared()175 l.fireLogBuffChanged(0)176}177func (l *Log) cancel() {178 l.mx.Lock()179 defer l.mx.Unlock()180 if l.cancelFn != nil {181 l.cancelFn()182 log.Debug().Msgf("!!! LOG-MODEL CANCELED !!!")183 l.cancelFn = nil184 }185}186func (l *Log) load(ctx context.Context) error {187 accessor, err := dao.AccessorFor(l.factory, l.gvr)188 if err != nil {189 return err190 }191 loggable, ok := accessor.(dao.Loggable)192 if !ok {193 return fmt.Errorf("Resource %s is not Loggable", l.gvr)194 }195 l.cancel()196 ctx = context.WithValue(ctx, internal.KeyFactory, l.factory)197 ctx, l.cancelFn = context.WithCancel(ctx)198 cc, err := loggable.TailLogs(ctx, l.logOptions)199 if err != nil {200 log.Error().Err(err).Msgf("Tail logs failed")201 l.cancel()202 l.fireLogError(err)203 }204 for _, c := range cc {205 go l.updateLogs(ctx, c)206 }207 return nil208}209// Append adds a log line.210func (l *Log) Append(line *dao.LogItem) {211 if line == nil || line.IsEmpty() {212 return213 }214 l.mx.Lock()215 defer l.mx.Unlock()216 l.logOptions.SinceTime = line.GetTimestamp()217 if l.lines.Len() < int(l.logOptions.Lines) {218 l.lines.Add(line)219 return220 }221 l.lines.Shift(line)222 l.lastSent--223 if l.lastSent < 0 {224 l.lastSent = 0225 }226}227// Notify fires of notifications to the listeners.228func (l *Log) Notify() {229 l.mx.Lock()230 defer l.mx.Unlock()231 if l.lastSent < l.lines.Len() {232 l.fireLogBuffChanged(l.lastSent)233 l.lastSent = l.lines.Len()234 }235}236// ToggleAllContainers toggles to show all containers logs.237func (l *Log) ToggleAllContainers(ctx context.Context) {238 l.logOptions.ToggleAllContainers()239 l.Restart(ctx)240}241func (l *Log) updateLogs(ctx context.Context, c dao.LogChan) {242 defer log.Debug().Msgf("<<< LOG-MODEL UPDATER DONE %s!!!!", l.logOptions.Info())243 log.Debug().Msgf(">>> START LOG-MODEL UPDATER %s", l.logOptions.Info())244 for {245 select {246 case item, ok := <-c:247 if !ok {248 l.Append(item)249 l.Notify()250 return251 }252 if item == dao.ItemEOF {253 l.fireCanceled()254 return255 }256 l.Append(item)257 var overflow bool258 l.mx.RLock()259 {260 overflow = int64(l.lines.Len()-l.lastSent) > l.logOptions.Lines261 }262 l.mx.RUnlock()263 if overflow {264 l.Notify()265 }266 case <-time.After(l.flushTimeout):267 l.Notify()268 case <-ctx.Done():269 return270 }271 }272}273// AddListener adds a new model listener.274func (l *Log) AddListener(listener LogsListener) {275 l.mx.Lock()276 defer l.mx.Unlock()277 l.listeners = append(l.listeners, listener)278}279// RemoveListener delete a listener from the list.280func (l *Log) RemoveListener(listener LogsListener) {281 l.mx.Lock()282 defer l.mx.Unlock()283 victim := -1284 for i, lis := range l.listeners {285 if lis == listener {286 victim = i287 break288 }289 }290 if victim >= 0 {291 l.listeners = append(l.listeners[:victim], l.listeners[victim+1:]...)292 }293}294func (l *Log) applyFilter(index int, q string) ([][]byte, error) {295 if q == "" {296 return nil, nil297 }298 matches, indices, err := l.lines.Filter(index, q, l.logOptions.ShowTimestamp)299 if err != nil {300 return nil, err301 }302 // No filter!303 if matches == nil {304 ll := make([][]byte, l.lines.Len())305 l.lines.Render(index, l.logOptions.ShowTimestamp, ll)306 return ll, nil307 }308 // Blank filter309 if len(matches) == 0 {310 return nil, nil311 }312 filtered := make([][]byte, 0, len(matches))313 ll := make([][]byte, l.lines.Len())314 l.lines.Lines(index, l.logOptions.ShowTimestamp, ll)315 for i, idx := range matches {316 filtered = append(filtered, color.Highlight(ll[idx], indices[i], 209))317 }318 return filtered, nil319}320func (l *Log) fireLogBuffChanged(index int) {321 ll := make([][]byte, l.lines.Len()-index)322 if l.filter == "" {323 l.lines.Render(index, l.logOptions.ShowTimestamp, ll)324 } else {325 ff, err := l.applyFilter(index, l.filter)326 if err != nil {327 l.fireLogError(err)328 return329 }330 ll = ff331 }332 if len(ll) > 0 {333 l.fireLogChanged(ll)334 }335}336func (l *Log) fireLogResume() {337 for _, lis := range l.listeners {338 lis.LogResume()339 }340}341func (l *Log) fireCanceled() {342 for _, lis := range l.listeners {343 lis.LogCanceled()344 }345}346func (l *Log) fireLogError(err error) {347 for _, lis := range l.listeners {348 lis.LogFailed(err)349 }350}351func (l *Log) fireLogChanged(lines [][]byte) {352 for _, lis := range l.listeners {353 lis.LogChanged(lines)354 }355}356func (l *Log) fireLogCleared() {357 var ll []LogsListener358 l.mx.RLock()359 {360 ll = l.listeners361 }362 l.mx.RUnlock()363 for _, lis := range ll {364 lis.LogCleared()365 }366}...

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hook_test.go

Source:hook_test.go Github

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...9 . "github.com/sirupsen/logrus"10 . "github.com/sirupsen/logrus/internal/testutils"11)12type TestHook struct {13 Fired bool14}15func (hook *TestHook) Fire(entry *Entry) error {16 hook.Fired = true17 return nil18}19func (hook *TestHook) Levels() []Level {20 return []Level{21 TraceLevel,22 DebugLevel,23 InfoLevel,24 WarnLevel,25 ErrorLevel,26 FatalLevel,27 PanicLevel,28 }29}30func TestHookFires(t *testing.T) {31 hook := new(TestHook)32 LogAndAssertJSON(t, func(log *Logger) {33 log.Hooks.Add(hook)34 assert.Equal(t, hook.Fired, false)35 log.Print("test")36 }, func(fields Fields) {37 assert.Equal(t, hook.Fired, true)38 })39}40type ModifyHook struct {41}42func (hook *ModifyHook) Fire(entry *Entry) error {43 entry.Data["wow"] = "whale"44 return nil45}46func (hook *ModifyHook) Levels() []Level {47 return []Level{48 TraceLevel,49 DebugLevel,50 InfoLevel,51 WarnLevel,52 ErrorLevel,53 FatalLevel,54 PanicLevel,55 }56}57func TestHookCanModifyEntry(t *testing.T) {58 hook := new(ModifyHook)59 LogAndAssertJSON(t, func(log *Logger) {60 log.Hooks.Add(hook)61 log.WithField("wow", "elephant").Print("test")62 }, func(fields Fields) {63 assert.Equal(t, fields["wow"], "whale")64 })65}66func TestCanFireMultipleHooks(t *testing.T) {67 hook1 := new(ModifyHook)68 hook2 := new(TestHook)69 LogAndAssertJSON(t, func(log *Logger) {70 log.Hooks.Add(hook1)71 log.Hooks.Add(hook2)72 log.WithField("wow", "elephant").Print("test")73 }, func(fields Fields) {74 assert.Equal(t, fields["wow"], "whale")75 assert.Equal(t, hook2.Fired, true)76 })77}78type SingleLevelModifyHook struct {79 ModifyHook80}81func (h *SingleLevelModifyHook) Levels() []Level {82 return []Level{InfoLevel}83}84func TestHookEntryIsPristine(t *testing.T) {85 l := New()86 b := &bytes.Buffer{}87 l.Formatter = &JSONFormatter{}88 l.Out = b89 l.AddHook(&SingleLevelModifyHook{})90 l.Error("error message")91 data := map[string]string{}92 err := json.Unmarshal(b.Bytes(), &data)93 require.NoError(t, err)94 _, ok := data["wow"]95 require.False(t, ok)96 b.Reset()97 l.Info("error message")98 data = map[string]string{}99 err = json.Unmarshal(b.Bytes(), &data)100 require.NoError(t, err)101 _, ok = data["wow"]102 require.True(t, ok)103 b.Reset()104 l.Error("error message")105 data = map[string]string{}106 err = json.Unmarshal(b.Bytes(), &data)107 require.NoError(t, err)108 _, ok = data["wow"]109 require.False(t, ok)110 b.Reset()111}112type ErrorHook struct {113 Fired bool114}115func (hook *ErrorHook) Fire(entry *Entry) error {116 hook.Fired = true117 return nil118}119func (hook *ErrorHook) Levels() []Level {120 return []Level{121 ErrorLevel,122 }123}124func TestErrorHookShouldntFireOnInfo(t *testing.T) {125 hook := new(ErrorHook)126 LogAndAssertJSON(t, func(log *Logger) {127 log.Hooks.Add(hook)128 log.Info("test")129 }, func(fields Fields) {130 assert.Equal(t, hook.Fired, false)131 })132}133func TestErrorHookShouldFireOnError(t *testing.T) {134 hook := new(ErrorHook)135 LogAndAssertJSON(t, func(log *Logger) {136 log.Hooks.Add(hook)137 log.Error("test")138 }, func(fields Fields) {139 assert.Equal(t, hook.Fired, true)140 })141}142func TestAddHookRace(t *testing.T) {143 var wg sync.WaitGroup144 wg.Add(2)145 hook := new(ErrorHook)146 LogAndAssertJSON(t, func(log *Logger) {147 go func() {148 defer wg.Done()149 log.AddHook(hook)150 }()151 go func() {152 defer wg.Done()153 log.Error("test")154 }()155 wg.Wait()156 }, func(fields Fields) {157 // the line may have been logged158 // before the hook was added, so we can't159 // actually assert on the hook160 })161}162type HookCallFunc struct {163 F func()164}165func (h *HookCallFunc) Levels() []Level {166 return AllLevels167}168func (h *HookCallFunc) Fire(e *Entry) error {169 h.F()170 return nil171}172func TestHookFireOrder(t *testing.T) {173 checkers := []string{}174 h := LevelHooks{}175 h.Add(&HookCallFunc{F: func() { checkers = append(checkers, "first hook") }})176 h.Add(&HookCallFunc{F: func() { checkers = append(checkers, "second hook") }})177 h.Add(&HookCallFunc{F: func() { checkers = append(checkers, "third hook") }})178 if err := h.Fire(InfoLevel, &Entry{}); err != nil {179 t.Error("unexpected error:", err)180 }181 require.Equal(t, []string{"first hook", "second hook", "third hook"}, checkers)182}...

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Fire

Using AI Code Generation

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1log.Fire("Hello World")2log.Fire("Hello World")3log.Fire("Hello World")4For example, if you want to make the log variable visible to all the files in the same package and also to all the files in the other packages that import the package, you can use the following code:5import "github.com/username/package-name"6log.Fire("Hello World")7import "github.com/username/package-name"8log.Fire("Hello World")9import "github.com/username/package-name"10log.Fire("Hello World")11import "github.com/username/package-name"12log.Fire("Hello World")

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Fire

Using AI Code Generation

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1log.Fire("Hello World")2log.Fire("Hello World")3log.Fire("Hello World")4log.Fire("Hello World")5log.Fire("Hello World")6log.Fire("Hello World")7log.Fire("Hello World")8log.Fire("Hello World")9log.Fire("Hello World")10log.Fire("Hello World")11log.Fire("Hello World")12log.Fire("Hello World")13log.Fire("Hello World")14log.Fire("Hello World")15log.Fire("Hello World")16log.Fire("Hello World")17log.Fire("Hello World")18log.Fire("Hello World")19log.Fire("Hello World")20log.Fire("Hello World")21log.Fire("Hello World")22log.Fire("Hello World")

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Fire

Using AI Code Generation

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1log.Fire("Hello world")2log.Fire("Hello world")3log.Fire("Hello world")4log.Fire("Hello world")5log.Fire("Hello world")6log.Fire("Hello world")7log.Fire("Hello world")8log.Fire("Hello world")9log.Fire("Hello world")10log.Fire("Hello world")11log.Fire("Hello world")12log.Fire("Hello world")13log.Fire("Hello world")14log.Fire("Hello world")15log.Fire("Hello world")16log.Fire("Hello world")17log.Fire("Hello world")18log.Fire("Hello world")19log.Fire("Hello world")20log.Fire("Hello world")21log.Fire("Hello world")22log.Fire("Hello world")

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Fire

Using AI Code Generation

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1log.Fire("log message");2log.Fire("log message");3log.Fire("log message");4log.Fire("log message");5log.Fire("log message");6log.Fire("log message");7log.Fire("log message");8log.Fire("log message");9log.Fire("log message");10log.Fire("log message");11log.Fire("log message");12log.Fire("log message");13log.Fire("log message");14log.Fire("log message");15log.Fire("log message");16log.Fire("log message");17log.Fire("log message");18log.Fire("log message");19log.Fire("log message");20log.Fire("log message");21log.Fire("log message");22log.Fire("log message");

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Fire

Using AI Code Generation

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1import (2var log = logging.MustGetLogger("main")3func main() {4 log.Debug("this is a debug message")5 log.Info("this is an info message")6 log.Notice("this is a notice message")7 log.Warning("this is a warning message")8 log.Error("this is an error message")9 log.Critical("this is a critical message")10}

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Fire

Using AI Code Generation

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1log.Fire("hello world")2log.Fire("hello world")3log.Fire("hello world")4log.Fire("hello world")5log.Fire("hello world")6log.Fire("hello world")7log.Fire("hello world")8log.Fire("hello world")9log.Fire("hello world")10log.Fire("hello world")11log.Fire("hello world")12log.Fire("hello world")13log.Fire("hello world")14log.Fire("hello world")15log.Fire("hello world")16log.Fire("hello world")17log.Fire("hello world")18log.Fire("hello world")19log.Fire("hello world")20log.Fire("hello world")21log.Fire("hello world")22log.Fire("hello world")23log.Fire("hello world")24log.Fire("hello world")25log.Fire("hello world")26log.Fire("hello world")

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Fire

Using AI Code Generation

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1log.Fire("error", "error message")2log.Fire("info", "info message")3log.Fire("warn", "warn message")4log.Fire("debug", "debug message")5log.Fire("trace", "trace message")6log.Fire("error", "error message")7log.Fire("info", "info message")8log.Fire("warn", "warn message")9log.Fire("debug", "debug message")10log.Fire("trace", "trace message")11log.Fire("error", "error message")12log.Fire("info", "info message")13log.Fire("warn", "warn message")14log.Fire("debug", "debug message")

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Fire

Using AI Code Generation

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1import (2func main() {3 log := logger.New()4 log.Fire("test")5}6import (7func main() {8 log := logger.New()9 log.Fire("test")10}11import (12func main() {13 log := logger.New()14 log.Fire("test")15}16import (17func main() {18 log := logger.New()19 log.Fire("test")20}21import (22func main() {23 log := logger.New()24 log.Fire("test")25}26import (27func main() {28 log := logger.New()29 log.Fire("test")30}31import (32func main() {33 log := logger.New()34 log.Fire("test")35}36import (37func main() {38 log := logger.New()39 log.Fire("test")40}41import (42func main() {43 log := logger.New()44 log.Fire("test")45}46import (47func main() {48 log := logger.New()

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Fire

Using AI Code Generation

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1import (2func main() {3log.SetFlags(log.Lshortfile)4log.Println("Hello World")5log.Fatalln("Hello World")6log.Panicln("Hello World")7}8log.Panicln(0xc42000a0e8, 0x1, 0x1)9main.main()10import (11const (12type Logger struct {13}14func NewLogger() *Logger {15 return &Logger{DEBUG}16}17func (l *Logger) SetLevel(level Level) {18}19func (l *Logger) Debug(v ...interface{}) {20 if l.Level > DEBUG {21 }22 l.Output(2, fmt.Sprint(v...))23}24func (l *Logger) Info(v ...interface{}) {25 if l.Level > INFO {26 }27 l.Output(2, fmt.Sprint(v...))28}

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