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embed: improve "--log-outputs" error message, add godoc

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Signed-off-by: Gyuho Lee <gyuhox@gmail.com>
This commit is contained in:
Gyuho Lee 2018-04-26 11:35:11 -07:00
parent b0e4fc3974
commit 6d0f71e4c2
1 changed files with 4 additions and 1 deletions
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5
embed/config.go
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@ -469,7 +469,7 @@ func (cfg *Config) setupLogging() error {
}
if len(cfg.LogOutputs) != 1 {
fmt.Printf("expected only 1 value in 'log-output', got %v\n", cfg.LogOutputs)
fmt.Printf("--logger=capnslog supports only 1 value in '--log-outputs', got %q\n", cfg.LogOutputs)
os.Exit(1)
}
// capnslog initially SetFormatter(NewDefaultFormatter(os.Stderr))
@ -596,6 +596,9 @@ func (cfg *Config) setupLogging() error {
lvl = zap.NewAtomicLevelAt(zap.DebugLevel)
grpc.EnableTracing = true
}
// WARN: do not change field names in encoder config
// journald logging writer assumes field names of "level" and "caller"
cr := zapcore.NewCore(
zapcore.NewJSONEncoder(zap.NewProductionEncoderConfig()),
syncer,