grype/cmd/root.go
Alex Goodman 4220fc60a7
Add default table presenter (#59)
* add default table presenter

* compress table output

* fix table presenter found-by to use only search key
2020-07-25 11:38:08 -04:00

112 lines
3.2 KiB
Go

package cmd
import (
"fmt"
"os"
"runtime/pprof"
"github.com/anchore/grype/grype"
"github.com/anchore/grype/grype/presenter"
"github.com/anchore/grype/internal"
"github.com/anchore/grype/internal/format"
"github.com/anchore/grype/internal/version"
"github.com/anchore/syft/syft/scope"
"github.com/spf13/cobra"
"github.com/spf13/viper"
)
var rootCmd = &cobra.Command{
Use: fmt.Sprintf("%s [IMAGE]", internal.ApplicationName),
Short: "A vulnerability scanner for container images and filesystems", // TODO: add copy, add path-based scans
Long: format.Tprintf(`Supports the following image sources:
{{.appName}} yourrepo/yourimage:tag defaults to using images from a docker daemon
{{.appName}} dir://path/to/yourrepo do a directory scan
{{.appName}} docker://yourrepo/yourimage:tag explicitly use a docker daemon
{{.appName}} tar://path/to/yourimage.tar use a tarball from disk
`, map[string]interface{}{
"appName": internal.ApplicationName,
}),
Args: cobra.ExactArgs(1),
Run: func(cmd *cobra.Command, args []string) {
if appConfig.Dev.ProfileCPU {
f, err := os.Create("cpu.profile")
if err != nil {
log.Errorf("unable to create CPU profile: %+v", err)
} else {
err := pprof.StartCPUProfile(f)
if err != nil {
log.Errorf("unable to start CPU profile: %+v", err)
}
}
}
err := runDefaultCmd(cmd, args)
if appConfig.Dev.ProfileCPU {
pprof.StopCPUProfile()
}
if err != nil {
log.Errorf(err.Error())
os.Exit(1)
}
},
}
func init() {
// setup CLI options specific to scanning an image
// scan options
flag := "scope"
rootCmd.Flags().StringP(
"scope", "s", scope.AllLayersScope.String(),
fmt.Sprintf("selection of layers to analyze, options=%v", scope.Options),
)
if err := viper.BindPFlag(flag, rootCmd.Flags().Lookup(flag)); err != nil {
fmt.Printf("unable to bind flag '%s': %+v", flag, err)
os.Exit(1)
}
// output & formatting options
flag = "output"
rootCmd.Flags().StringP(
flag, "o", presenter.TablePresenter.String(),
fmt.Sprintf("report output formatter, options=%v", presenter.Options),
)
if err := viper.BindPFlag(flag, rootCmd.Flags().Lookup(flag)); err != nil {
fmt.Printf("unable to bind flag '%s': %+v", flag, err)
os.Exit(1)
}
}
func runDefaultCmd(_ *cobra.Command, args []string) error {
if appConfig.CheckForAppUpdate {
isAvailable, newVersion, err := version.IsUpdateAvailable()
if err != nil {
log.Errorf(err.Error())
}
if isAvailable {
log.Infof("New version of %s is available: %s", internal.ApplicationName, newVersion)
} else {
log.Debugf("No new %s update available", internal.ApplicationName)
}
}
userImageStr := args[0]
provider, err := grype.LoadVulnerabilityDb(appConfig.Db.ToCuratorConfig(), appConfig.Db.AutoUpdate)
if err != nil {
return fmt.Errorf("failed to load vulnerability db: %w", err)
}
results, catalog, _, err := grype.FindVulnerabilities(provider, userImageStr, appConfig.ScopeOpt)
if err != nil {
return fmt.Errorf("failed to find vulnerabilities: %w", err)
}
if err = presenter.GetPresenter(appConfig.PresenterOpt).Present(os.Stdout, catalog, results); err != nil {
return fmt.Errorf("could not format catalog results: %w", err)
}
return nil
}