Go Install Binary Program in Dapr

install.go

// installBinary installs the daprd, placement or dashboard binaries and associated files inside the default dapr bin directory.
func installBinary(version, binaryFilePrefix, githubRepo string, info initInfo) error {
	var (
		err      error
		filepath string
	)

	dir := defaultDaprBinPath()
	if isAirGapInit {
		filepath = path_filepath.Join(info.fromDir, *info.bundleDet.BinarySubDir, binaryName(binaryFilePrefix))
	} else {
		filepath, err = downloadBinary(dir, version, binaryFilePrefix, githubRepo)
		if err != nil {
			return fmt.Errorf("error downloading %s binary: %w", binaryFilePrefix, err)
		}
	}

	extractedFilePath, err := extractFile(filepath, dir, binaryFilePrefix)
	if err != nil {
		return err
	}

	// remove downloaded archive from the default dapr bin path.
	if !isAirGapInit {
		err = os.Remove(filepath)
		if err != nil {
			return fmt.Errorf("failed to remove archive: %w", err)
		}
	}

	if binaryFilePrefix == "dashboard" {
		extractedFilePath, err = moveDashboardFiles(extractedFilePath, dir)
		if err != nil {
			return err
		}
	}

	binaryPath, err := moveFileToPath(extractedFilePath, dir)
	if err != nil {
		return fmt.Errorf("error moving %s binary to path: %w", binaryFilePrefix, err)
	}

	err = makeExecutable(binaryPath)
	if err != nil {
		return fmt.Errorf("error making %s binary executable: %w", binaryFilePrefix, err)
	}

	return nil
}

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