Run harness tests against 2 previous versions and HEAD

Signed-off-by: Priya Wadhwa <priya@chainguard.dev>

Author: priyawadhwa

cmd/rekor-cli/app/pflag_groups.go

@@ -199,3 +199,22 @@ func ParseTypeFlag(typeStr string) (string, string, error) {
 	}
 	return "", "", errors.New("malformed type string")
 }
+
+func GetSupportedVersions(typeStr string) ([]string, error) {
+	typeStrings := strings.SplitN(typeStr, ":", 2)
+	tf, ok := types.TypeMap.Load(typeStrings[0])
+	if !ok {
+		return nil, fmt.Errorf("unknown type %v", typeStrings[0])
+	}
+	ti := tf.(func() types.TypeImpl)()
+	if ti == nil {
+		return nil, fmt.Errorf("type %v is not implemented", typeStrings[0])
+	}
+	switch len(typeStrings) {
+	case 1:
+		return ti.SupportedVersions(), nil
+	case 2:
+		return []string{typeStrings[1]}, nil
+	}
+	return nil, errors.New("malformed type string")
+}

cmd/rekor-cli/app/pflags_test.go

@@ -23,6 +23,7 @@ import (
 	"os"
 	"testing"
 
+	"github.com/google/go-cmp/cmp"
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
 
@@ -762,7 +763,7 @@ func TestParseTypeFlag(t *testing.T) {
 		{
 			caseDesc:      "explicit intoto v0.0.1",
 			typeStr:       "intoto:0.0.1",
-			expectSuccess: false,
+			expectSuccess: true,
 		},
 		{
 			caseDesc:      "explicit intoto v0.0.2",
@@ -842,3 +843,32 @@ func TestParseTypeFlag(t *testing.T) {
 		}
 	}
 }
+
+func TestGetSupportedVersions(t *testing.T) {
+	tests := []struct {
+		description      string
+		typeStr          string
+		expectedVersions []string
+	}{
+		{
+			description:      "intoto specified with version",
+			typeStr:          "intoto:0.0.1",
+			expectedVersions: []string{"0.0.1"},
+		}, {
+			description:      "intoto no version specified",
+			typeStr:          "intoto",
+			expectedVersions: []string{"0.0.2", "0.0.1"},
+		},
+	}
+	for _, test := range tests {
+		t.Run(test.description, func(t *testing.T) {
+			got, err := GetSupportedVersions(test.typeStr)
+			if err != nil {
+				t.Fatal(err)
+			}
+			if d := cmp.Diff(test.expectedVersions, got); d != "" {
+				t.Fatalf("got unexpected versions: %s", d)
+			}
+		})
+	}
+}

cmd/rekor-cli/app/upload.go

@@ -77,6 +77,8 @@ var uploadCmd = &cobra.Command{
 		params.SetTimeout(viper.GetDuration("timeout"))
 
 		entryStr := viper.GetString("entry")
+		var resp *entries.CreateLogEntryCreated
+
 		if entryStr != "" {
 			var entryReader io.Reader
 			entryURL, err := url.Parse(entryStr)
@@ -99,31 +101,41 @@ var uploadCmd = &cobra.Command{
 				return nil, fmt.Errorf("error parsing entry file: %w", err)
 			}
 		} else {
-			typeStr, versionStr, err := ParseTypeFlag(viper.GetString("type"))
+			// Start with the default entry and work your way down
+			typeStr, _, err := ParseTypeFlag(viper.GetString("type"))
+			if err != nil {
+				return nil, err
+			}
+			supportedVersions, err := GetSupportedVersions(viper.GetString("type"))
 			if err != nil {
 				return nil, err
 			}
-
 			props := CreatePropsFromPflags()
 
-			entry, err = types.NewProposedEntry(context.Background(), typeStr, versionStr, *props)
-			if err != nil {
-				return nil, fmt.Errorf("error: %w", err)
+			for _, sv := range supportedVersions {
+				log.CliLogger.Infof("Trying to upload entry of type %s at version %s", typeStr, sv)
+				entry, err = types.NewProposedEntry(context.Background(), typeStr, sv, *props)
+				if err != nil {
+					return nil, fmt.Errorf("error: %w", err)
+				}
+				params.SetProposedEntry(entry)
+				r, err := rekorClient.Entries.CreateLogEntry(params)
+				if err == nil {
+					resp = r
+					break
+				}
+				switch e := err.(type) {
+				case *entries.CreateLogEntryConflict:
+					return &uploadCmdOutput{
+						Location:      e.Location.String(),
+						AlreadyExists: true,
+					}, nil
+				}
 			}
 		}
-		params.SetProposedEntry(entry)
 
-		resp, err := rekorClient.Entries.CreateLogEntry(params)
-		if err != nil {
-			switch e := err.(type) {
-			case *entries.CreateLogEntryConflict:
-				return &uploadCmdOutput{
-					Location:      e.Location.String(),
-					AlreadyExists: true,
-				}, nil
-			default:
-				return nil, err
-			}
+		if resp == nil {
+			return nil, fmt.Errorf("no valid entry was created")
 		}
 
 		var newIndex int64

pkg/types/intoto/intoto.go

@@ -78,7 +78,7 @@ func (it BaseIntotoType) DefaultVersion() string {
 // it deliberately omits 0.0.1 from the list of supported versions as that
 // version did not persist signatures inside the log entry
 func (it BaseIntotoType) SupportedVersions() []string {
-	return []string{"0.0.2"}
+	return []string{"0.0.2", "0.0.1"}
 }
 
 // IsSupportedVersion returns true if the version can be inserted into the log, and false if not

tests/rekor-harness.sh

@@ -87,10 +87,17 @@ function run_tests () {
     fi
 }
 
-# Get last 3 server versions
+# Get last 2 server versions
 git fetch origin
-NUM_VERSIONS_TO_TEST=3
+NUM_VERSIONS_TO_TEST=2
 VERSIONS=$(git tag --sort=-version:refname | head -n $NUM_VERSIONS_TO_TEST | tac)
+
+# Also add the commit @ HEAD
+HEAD=$(git log --pretty="%H" -n 1 )
+echo "Also testing at HEAD at commit $HEAD"
+
+VERSIONS="$VERSIONS $HEAD"
+
 echo $VERSIONS
 
 export REKOR_HARNESS_TMPDIR="$(mktemp -d -t rekor_test_harness.XXXXXX)"