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log: format output

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This commit is contained in:
Amir Mohammadi 2024-06-21 13:09:57 +03:30
parent c10ac4f48f
commit 4a397df329
1 changed files with 24 additions and 5 deletions
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29
cmd/blsync/main.go
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@ -20,6 +20,7 @@ import (
"context"
"fmt"
"io"
"log/slog"
"os"
"github.com/ethereum/go-ethereum/beacon/blsync"
@ -47,6 +48,11 @@ var (
Hidden: true,
Category: flags.LoggingCategory,
}
logFmtFlag = &cli.StringFlag{
Name: "log.format",
Usage: "Log format to use (json|logfmt|terminal)",
Category: flags.LoggingCategory,
}
)
func main() {
@ -68,6 +74,7 @@ func main() {
utils.BlsyncJWTSecretFlag,
verbosityFlag,
vmoduleFlag,
logFmtFlag,
}
app.Action = sync
@ -78,13 +85,25 @@ func main() {
}
func sync(ctx *cli.Context) error {
usecolor := (isatty.IsTerminal(os.Stderr.Fd()) || isatty.IsCygwinTerminal(os.Stderr.Fd())) && os.Getenv("TERM") != "dumb"
output := io.Writer(os.Stderr)
if usecolor {
output = colorable.NewColorable(os.Stderr)
}
verbosity := log.FromLegacyLevel(ctx.Int(verbosityFlag.Name))
log.SetDefault(log.NewLogger(log.NewTerminalHandlerWithLevel(output, verbosity, usecolor)))
var handler slog.Handler
switch ctx.String(logFmtFlag.Name) {
case "json":
handler = log.JSONHandlerWithLevel(output, verbosity)
case "logfmt":
handler = log.LogfmtHandlerWithLevel(output, verbosity)
case "", "terminal":
usecolor := (isatty.IsTerminal(os.Stderr.Fd()) || isatty.IsCygwinTerminal(os.Stderr.Fd())) && os.Getenv("TERM") != "dumb"
if usecolor {
output = colorable.NewColorable(os.Stderr)
}
handler = log.NewTerminalHandlerWithLevel(output, verbosity, usecolor)
default:
return fmt.Errorf("unknown log format: %v", logFmtFlag.Name)
}
log.SetDefault(log.NewLogger(handler))
// set up blsync
client := blsync.NewClient(ctx)