Add skip-tls-verify and use-http flag support to opm render #908 (#909)

Signed-off-by: Ryan Emerson <[email protected]>

Author: ryanemerson

cmd/opm/render/cmd.go

@@ -11,6 +11,8 @@ import (
 
 	"github.com/operator-framework/operator-registry/alpha/action"
 	"github.com/operator-framework/operator-registry/alpha/declcfg"
+	"github.com/operator-framework/operator-registry/cmd/opm/internal/util"
+	containerd "github.com/operator-framework/operator-registry/pkg/image/containerdregistry"
 	"github.com/operator-framework/operator-registry/pkg/sqlite"
 )
 
@@ -44,6 +46,29 @@ func NewCmd() *cobra.Command {
 			// returned from render.Run and logged as fatal errors.
 			logrus.SetOutput(ioutil.Discard)
 
+			skipTLSVerify, useHTTP, err := util.GetTLSOptions(cmd)
+			if err != nil {
+				log.Fatal(err)
+			}
+
+			cacheDir, err := os.MkdirTemp("", "render-registry-")
+			if err != nil {
+				log.Fatal(err)
+			}
+
+			reg, err := containerd.NewRegistry(
+				containerd.WithCacheDir(cacheDir),
+				containerd.SkipTLSVerify(skipTLSVerify),
+				containerd.WithPlainHTTP(useHTTP),
+				containerd.WithLog(nullLogger()),
+			)
+			if err != nil {
+				log.Fatalf("creating containerd registry: %v", err)
+			}
+			defer reg.Destroy()
+
+			render.Registry = reg
+
 			cfg, err := render.Run(cmd.Context())
 			if err != nil {
 				log.Fatal(err)
@@ -55,5 +80,13 @@ func NewCmd() *cobra.Command {
 		},
 	}
 	cmd.Flags().StringVarP(&output, "output", "o", "json", "Output format (json|yaml)")
+	cmd.Flags().Bool("skip-tls-verify", false, "disable TLS verification")
+	cmd.Flags().Bool("use-http", false, "use plain HTTP")
 	return cmd
 }
+
+func nullLogger() *logrus.Entry {
+	logger := logrus.New()
+	logger.SetOutput(ioutil.Discard)
+	return logrus.NewEntry(logger)
+}