cli: deprecate "compliance" command

dist-spec community is now maintaining its own conformance suite hosted
at https://oci.bloodorange.io which over time will be more complete.

This makes zot's compliance cli superfluous. Hence, deprecating the cli.

However, we keep the unit tests itself though.

pkg/cli/root.go

@@ -1,20 +1,14 @@
 package cli
 
 import (
-	"os"
-	"testing"
-
 	"github.com/anuvu/zot/errors"
 	"github.com/anuvu/zot/pkg/api"
-	"github.com/anuvu/zot/pkg/compliance"
 	"github.com/anuvu/zot/pkg/storage"
 	"github.com/mitchellh/mapstructure"
 	dspec "github.com/opencontainers/distribution-spec"
 	"github.com/rs/zerolog/log"
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
-
-	"github.com/anuvu/zot/pkg/compliance/v1_0_0"
 )
 
 // metadataConfig reports metadata after parsing, which we use to track
@@ -88,46 +82,6 @@ func NewRootCmd() *cobra.Command {
 	gcCmd.Flags().BoolVarP(&gcDryRun, "dry-run", "d", false,
 		"do everything except remove the blobs")
 
-	// "compliance"
-	complianceConfig := compliance.NewConfig()
-	complianceCmd := &cobra.Command{
-		Use:     "compliance",
-		Aliases: []string{"co"},
-		Short:   "`compliance` checks compliance with respect to OCI distribution-spec",
-		Long:    "`compliance` checks compliance with respect to OCI distribution-spec",
-		Run: func(cmd *cobra.Command, args []string) {
-			t := &testing.T{}
-			switch complianceConfig.Version {
-			case "all":
-				fallthrough
-			default:
-				v1_0_0.CheckWorkflows(t, complianceConfig)
-			}
-			if t.Failed() {
-				os.Exit(1)
-			}
-		},
-	}
-
-	complianceCmd.Flags().StringVarP(&complianceConfig.Address, "address", "H", "",
-		"Registry server address")
-
-	if err := complianceCmd.MarkFlagRequired("address"); err != nil {
-		panic(err)
-	}
-
-	complianceCmd.Flags().StringVarP(&complianceConfig.Port, "port", "P", "",
-		"Registry server port")
-
-	if err := complianceCmd.MarkFlagRequired("port"); err != nil {
-		panic(err)
-	}
-
-	complianceCmd.Flags().StringVarP(&complianceConfig.Version, "version", "V", "all",
-		"OCI dist-spec version to check")
-	complianceCmd.Flags().BoolVarP(&complianceConfig.OutputJSON, "json", "j", false,
-		"output test results as JSON")
-
 	rootCmd := &cobra.Command{
 		Use:   "zot",
 		Short: "`zot`",
@@ -142,7 +96,6 @@ func NewRootCmd() *cobra.Command {
 
 	rootCmd.AddCommand(serveCmd)
 	rootCmd.AddCommand(gcCmd)
-	rootCmd.AddCommand(complianceCmd)
 	rootCmd.Flags().BoolVarP(&showVersion, "version", "v", false, "show the version and exit")
 
 	return rootCmd