69 lines
1.3 KiB
Go
69 lines
1.3 KiB
Go
// Package cli provides the common boilerplate code around executing a cobra command.
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package cli
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import (
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"context"
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"errors"
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"fmt"
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"log/slog"
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"os"
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"os/signal"
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"syscall"
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"github.com/spf13/cobra"
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"git.ifooth.com/common/pkg/version"
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)
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var (
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// errSignal ...
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errSignal = errors.New("signal")
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)
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// Run provides the common boilerplate code around executing a cobra command.
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func Run(cmd *cobra.Command) int {
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// 不开启 自动排序
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cobra.EnableCommandSorting = false
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cmd.CompletionOptions.DisableDefaultCmd = true
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cmd.SilenceErrors = true
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cmd.SilenceUsage = true
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// 添加版本
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cmd.SetVersionTemplate(`{{println .Version}}`)
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cmd.Version = version.GetVersion()
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if err := execute(cmd); err != nil {
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fmt.Fprintf(os.Stderr, "Error: %v\n", err)
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return 1
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}
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return 0
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}
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func execute(cmd *cobra.Command) error {
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ctx, cancel := context.WithCancelCause(context.Background())
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// graceful shutdown signal
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signalChan := make(chan os.Signal, 1)
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signal.Notify(signalChan, syscall.SIGINT, syscall.SIGTERM)
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go func() {
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select {
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case s := <-signalChan:
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slog.WarnContext(ctx, "Signal received", "signal", s)
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cancel(fmt.Errorf("%w %s received", errSignal, s))
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case <-ctx.Done():
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}
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}()
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err := cmd.ExecuteContext(ctx)
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if err == nil {
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return nil
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}
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if errors.Is(err, errSignal) {
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return nil
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}
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return err
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}
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