syft/cmd/root.go
2020-05-29 16:06:31 -04:00

73 lines
1.8 KiB
Go

package cmd
import (
"fmt"
"os"
"github.com/anchore/imgbom/imgbom"
"github.com/anchore/imgbom/imgbom/presenter"
"github.com/anchore/imgbom/internal"
"github.com/anchore/stereoscope"
"github.com/spf13/cobra"
)
var rootCmd = &cobra.Command{
Use: fmt.Sprintf("%s [IMAGE]", internal.ApplicationName),
Short: "A container image BOM tool", // TODO: add copy
Long: internal.Tprintf(`\
Supports the following image sources:
{{.appName}} yourrepo/yourimage:tag defaults to using images from a docker daemon
{{.appName}} docker://yourrepo/yourimage:tag explicitly use the docker daemon
{{.appName}} tar://path/to/yourimage.tar use a tarball from disk
`, map[string]interface{}{
"appName": internal.ApplicationName,
}),
Args: cobra.MaximumNArgs(1),
Run: runCmdWrapper,
}
func init() {
setCliOptions()
cobra.OnInitialize(initAppConfig)
cobra.OnInitialize(initLogging)
cobra.OnInitialize(logAppConfig)
}
func Execute() {
if err := rootCmd.Execute(); err != nil {
log.Errorf("could not start application: %w", err)
os.Exit(1)
}
}
func runCmdWrapper(cmd *cobra.Command, args []string) {
os.Exit(doRunCmd(cmd, args))
}
func doRunCmd(cmd *cobra.Command, args []string) int {
userImageStr := args[0]
log.Infof("Fetching image '%s'", userImageStr)
img, err := stereoscope.GetImage(userImageStr)
if err != nil {
log.Errorf("could not fetch image '%s': %w", userImageStr, err)
return 1
}
defer stereoscope.Cleanup()
log.Info("Cataloging image")
catalog, err := imgbom.CatalogImage(img, appConfig.ScopeOpt)
if err != nil {
log.Errorf("could not catalog image: %w", err)
return 1
}
log.Info("Complete!")
err = presenter.GetPresenter(appConfig.PresenterOpt).Present(os.Stdout, img, catalog)
if err != nil {
log.Errorf("could not format catalog results: %w", err)
return 1
}
return 0
}