feat: add support for WASM modules (#2195)

pkg/commands/module/module.go

@@ -0,0 +1,58 @@
+package module
+
+import (
+	"github.com/urfave/cli/v2"
+	"golang.org/x/xerrors"
+
+	"github.com/aquasecurity/trivy/pkg/commands/option"
+	"github.com/aquasecurity/trivy/pkg/log"
+	"github.com/aquasecurity/trivy/pkg/module"
+)
+
+// Install installs a module
+func Install(c *cli.Context) error {
+	if c.NArg() != 1 {
+		cli.ShowSubcommandHelpAndExit(c, 1)
+	}
+
+	if err := initLogger(c); err != nil {
+		return xerrors.Errorf("log initialization error: %w", err)
+	}
+
+	repo := c.Args().First()
+	if err := module.Install(c.Context, repo, c.Bool("quiet"), c.Bool("insecure")); err != nil {
+		return xerrors.Errorf("module installation error: %w", err)
+	}
+
+	return nil
+}
+
+// Uninstall uninstalls a module
+func Uninstall(c *cli.Context) error {
+	if c.NArg() != 1 {
+		cli.ShowSubcommandHelpAndExit(c, 1)
+	}
+
+	if err := initLogger(c); err != nil {
+		return xerrors.Errorf("log initialization error: %w", err)
+	}
+
+	repo := c.Args().First()
+	if err := module.Uninstall(c.Context, repo); err != nil {
+		return xerrors.Errorf("module uninstall error: %w", err)
+	}
+
+	return nil
+}
+
+func initLogger(ctx *cli.Context) error {
+	conf, err := option.NewGlobalOption(ctx)
+	if err != nil {
+		return xerrors.Errorf("config error: %w", err)
+	}
+
+	if err = log.InitLogger(conf.Debug, conf.Quiet); err != nil {
+		return xerrors.Errorf("failed to initialize a logger: %w", err)
+	}
+	return nil
+}