77 lines
1.8 KiB
Go
77 lines
1.8 KiB
Go
package logger
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import (
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// stdlib
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"fmt"
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"os"
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"strings"
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"time"
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// other
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"github.com/rs/zerolog"
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)
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var (
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Logger zerolog.Logger
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SuperVerbosive bool
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loggerInitialized bool
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)
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// Initialize initializes zerolog with proper formatting and log level.
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func Initialize() {
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// Check environment for logger level.
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// Defaulting to INFO.
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loggerLevel, loggerLevelFound := os.LookupEnv("LOGGER_LEVEL")
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if loggerLevelFound {
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fmt.Println("Setting logger level to:", loggerLevel)
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switch strings.ToUpper(loggerLevel) {
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case "DEBUG":
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zerolog.SetGlobalLevel(zerolog.DebugLevel)
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case "INFO":
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zerolog.SetGlobalLevel(zerolog.InfoLevel)
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case "WARN":
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zerolog.SetGlobalLevel(zerolog.WarnLevel)
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case "ERROR":
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zerolog.SetGlobalLevel(zerolog.ErrorLevel)
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case "FATAL":
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zerolog.SetGlobalLevel(zerolog.FatalLevel)
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default:
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fmt.Println("Invalid logger level passed:", loggerLevel)
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fmt.Println("Fofcing INFO")
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zerolog.SetGlobalLevel(zerolog.InfoLevel)
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}
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} else {
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fmt.Println("Setting logger level to: info")
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zerolog.SetGlobalLevel(zerolog.InfoLevel)
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}
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output := zerolog.ConsoleWriter{Out: os.Stdout, NoColor: false, TimeFormat: time.RFC3339}
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output.FormatLevel = func(i interface{}) string {
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var v string
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if ii, ok := i.(string); ok {
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ii = strings.ToUpper(ii)
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switch ii {
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case "DEBUG":
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v = fmt.Sprintf("\x1b[30m%-5s\x1b[0m", ii)
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case "ERROR":
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v = fmt.Sprintf("\x1b[31m%-5s\x1b[0m", ii)
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case "FATAL":
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v = fmt.Sprintf("\x1b[35m%-5s\x1b[0m", ii)
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case "INFO":
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v = fmt.Sprintf("\x1b[32m%-5s\x1b[0m", ii)
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case "PANIC":
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v = fmt.Sprintf("\x1b[36m%-5s\x1b[0m", ii)
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case "WARN":
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v = fmt.Sprintf("\x1b[33m%-5s\x1b[0m", ii)
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default:
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v = ii
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}
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}
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return fmt.Sprintf("| %s |", v)
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}
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Logger = zerolog.New(output).With().Timestamp().Logger()
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loggerInitialized = true
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}
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