df4f6766ba
Get rid of AST cache: load AST when needed. Optimize memory allocations for go/analysis actions. Relates: #337
122 lines
2.5 KiB
Go
122 lines
2.5 KiB
Go
package logutils
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import (
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"fmt"
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"os"
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"time"
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"github.com/sirupsen/logrus" //nolint:depguard
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"github.com/golangci/golangci-lint/pkg/exitcodes"
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)
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type StderrLog struct {
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name string
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logger *logrus.Logger
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level LogLevel
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}
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var _ Log = NewStderrLog("")
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func NewStderrLog(name string) *StderrLog {
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sl := &StderrLog{
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name: name,
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logger: logrus.New(),
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level: LogLevelWarn,
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}
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switch os.Getenv("LOG_LEVEL") {
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case "error", "err":
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sl.logger.SetLevel(logrus.ErrorLevel)
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case "warning", "warn":
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sl.logger.SetLevel(logrus.WarnLevel)
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case "info":
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sl.logger.SetLevel(logrus.InfoLevel)
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default:
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sl.logger.SetLevel(logrus.DebugLevel)
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}
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sl.logger.Out = StdErr
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formatter := &logrus.TextFormatter{
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DisableTimestamp: true, // `INFO[0007] msg` -> `INFO msg`
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}
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if os.Getenv("LOG_TIMESTAMP") == "1" {
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formatter.DisableTimestamp = false
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formatter.FullTimestamp = true
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formatter.TimestampFormat = time.StampMilli
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}
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sl.logger.Formatter = formatter
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return sl
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}
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func (sl StderrLog) prefix() string {
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prefix := ""
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if sl.name != "" {
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prefix = fmt.Sprintf("[%s] ", sl.name)
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}
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return prefix
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}
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func (sl StderrLog) Fatalf(format string, args ...interface{}) {
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sl.logger.Errorf("%s%s", sl.prefix(), fmt.Sprintf(format, args...))
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os.Exit(exitcodes.Failure)
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}
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func (sl StderrLog) Panicf(format string, args ...interface{}) {
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v := fmt.Sprintf("%s%s", sl.prefix(), fmt.Sprintf(format, args...))
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panic(v)
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}
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func (sl StderrLog) Errorf(format string, args ...interface{}) {
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if sl.level > LogLevelError {
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return
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}
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sl.logger.Errorf("%s%s", sl.prefix(), fmt.Sprintf(format, args...))
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// don't call exitIfTest() because the idea is to
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// crash on hidden errors (warnings); but Errorf MUST NOT be
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// called on hidden errors, see log levels comments.
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}
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func (sl StderrLog) Warnf(format string, args ...interface{}) {
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if sl.level > LogLevelWarn {
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return
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}
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sl.logger.Warnf("%s%s", sl.prefix(), fmt.Sprintf(format, args...))
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}
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func (sl StderrLog) Infof(format string, args ...interface{}) {
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if sl.level > LogLevelInfo {
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return
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}
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sl.logger.Infof("%s%s", sl.prefix(), fmt.Sprintf(format, args...))
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}
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func (sl StderrLog) Debugf(format string, args ...interface{}) {
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if sl.level > LogLevelDebug {
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return
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}
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sl.logger.Debugf("%s%s", sl.prefix(), fmt.Sprintf(format, args...))
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}
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func (sl StderrLog) Child(name string) Log {
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prefix := ""
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if sl.name != "" {
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prefix = sl.name + "/"
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}
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child := sl
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child.name = prefix + name
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return &child
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}
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func (sl *StderrLog) SetLevel(level LogLevel) {
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sl.level = level
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}
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