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main.go
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package main
import (
"log"
"os"
"runtime/debug"
"agentexec/cmd"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
)
// createLogger creates and configures the application's logger
func createLogger(verbose bool) (*zap.Logger, error) {
// Configure encoder
encoderConfig := zapcore.EncoderConfig{
TimeKey: "timestamp",
LevelKey: "level",
NameKey: "logger",
CallerKey: "caller",
FunctionKey: zapcore.OmitKey,
MessageKey: "msg",
StacktraceKey: "stacktrace",
LineEnding: zapcore.DefaultLineEnding,
EncodeLevel: zapcore.CapitalLevelEncoder,
EncodeTime: zapcore.ISO8601TimeEncoder,
EncodeDuration: zapcore.SecondsDurationEncoder,
EncodeCaller: zapcore.ShortCallerEncoder,
}
// Create stdout syncer
stdout := zapcore.AddSync(os.Stdout)
// Determine log level based on verbose flag
level := zap.InfoLevel
if verbose {
level = zap.DebugLevel
}
// Create console encoder and core
consoleEncoder := zapcore.NewConsoleEncoder(encoderConfig)
core := zapcore.NewCore(consoleEncoder, stdout, level)
// Get build info for startup logging only
buildInfo, _ := debug.ReadBuildInfo()
// Create base logger
logger := zap.New(core,
zap.AddCaller(),
zap.AddStacktrace(zapcore.ErrorLevel),
)
// Log startup information once
logger.Debug("Starting agentexec",
zap.String("app_version", "1.0.0"),
zap.String("go_version", buildInfo.GoVersion),
zap.Int("pid", os.Getpid()),
zap.Bool("verbose_mode", verbose),
)
// Return clean logger without default fields
return logger, nil
}
func main() {
// Parse verbose flag
verbose := false
for _, arg := range os.Args[1:] {
if arg == "--verbose" || arg == "-v" {
verbose = true
break
}
}
// Initialize logger
logger, err := createLogger(verbose)
if err != nil {
log.Fatalf("Failed to initialize logger: %v", err)
}
defer func() {
_ = logger.Sync()
}()
// Execute root command
if err := cmd.Execute(logger); err != nil {
logger.Error("Application execution failed",
zap.Error(err),
zap.String("command", os.Args[0]),
)
os.Exit(1)
}
}