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cmd/geth: Add --log.format cli param #27001

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merged 2 commits into from
Mar 30, 2023
Merged

cmd/geth: Add --log.format cli param #27001

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7b51788
internal/debug: Add --log.format
ajsutton Mar 28, 2023
2c88003
Update internal/debug/flags.go
holiman Mar 30, 2023
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27 changes: 20 additions & 7 deletions internal/debug/flags.go
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Original file line number Diff line number Diff line change
Expand Up @@ -52,11 +52,12 @@ var (
logjsonFlag = &cli.BoolFlag{
Name: "log.json",
Usage: "Format logs with JSON",
Hidden: true,
Category: flags.LoggingCategory,
}
logfmtFlag = &cli.BoolFlag{
Name: "log.logfmt",
Usage: "Format logs with logfmt",
logFormatFlag = &cli.StringFlag{
Name: "log.format",
Usage: "Log format to use (json|logfmt|terminal)",
Category: flags.LoggingCategory,
}
logFileFlag = &cli.StringFlag{
Expand Down Expand Up @@ -120,7 +121,7 @@ var Flags = []cli.Flag{
verbosityFlag,
vmoduleFlag,
logjsonFlag,
logfmtFlag,
logFormatFlag,
logFileFlag,
backtraceAtFlag,
debugFlag,
Expand Down Expand Up @@ -151,12 +152,24 @@ func Setup(ctx *cli.Context) error {
useColor := logFile == "" && os.Getenv("TERM") != "dumb" && (isatty.IsTerminal(os.Stderr.Fd()) || isatty.IsCygwinTerminal(os.Stderr.Fd()))

var logfmt log.Format
if ctx.Bool(logjsonFlag.Name) {
switch ctx.String(logFormatFlag.Name) {
case "json":
logfmt = log.JSONFormat()
} else if ctx.Bool(logfmtFlag.Name) {
case "logfmt":
logfmt = log.LogfmtFormat()
} else {
case "terminal":
logfmt = log.TerminalFormat(useColor)
case "":
// Retain backwards compatibility with `--log.json` flag if `--log.format` not set
if ctx.Bool(logjsonFlag.Name) {
defer log.Warn("The flag '--log.json' is deprecated, please use '--log.format=json' instead")
logfmt = log.JSONFormat()
} else {
logfmt = log.TerminalFormat(useColor)
}
default:
// Unknown log format specified
return fmt.Errorf("unknown log format: %v", ctx.String(logFormatFlag.Name))
}

if logFile != "" {
Expand Down