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feat(template): Set ZAP loglevel via environment var #92

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merged 4 commits into from
Apr 30, 2022
Merged

feat(template): Set ZAP loglevel via environment var #92

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9c59240
Set ZAP loglevel via environment var
Mar 11, 2022
66323db
Update _template/cmd/{{.Base.appName}}/main.go
linuxluigi Apr 29, 2022
ac0c5be
Put logger logic into internal folder
Apr 29, 2022
a281ff7
Rename logger.GetLogger to logger.NewAtLevel
brumhard Apr 30, 2022
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3 changes: 2 additions & 1 deletion _template/cmd/{{.Base.appName}}/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@ import (
"fmt"
"os"

"{{.Base.moduleName}}/internal/logger"
"go.uber.org/zap"

// This controls the maxprocs environment variable in container runtimes.
Expand All @@ -19,7 +20,7 @@ func main() {
}

func run() error {
logger, err := zap.NewProduction()
logger, err := logger.NewAtLevel(os.Getenv("LOG_LEVEL"))
if err != nil {
return err
}
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27 changes: 27 additions & 0 deletions _template/internal/logger/logger.go
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Original file line number Diff line number Diff line change
@@ -0,0 +1,27 @@
package logger

import (
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
)

func NewAtLevel(levelStr string) (*zap.Logger, error) {
logLevel := zapcore.InfoLevel
if levelStr != "" {
var err error
logLevel, err = zapcore.ParseLevel(levelStr)
if err != nil {
return nil, err
}
}

logConf := zap.NewProductionConfig()
logConf.Level = zap.NewAtomicLevelAt(logLevel)

logger, err := logConf.Build()
if err != nil {
return nil, err
}

return logger, nil
}