use only 1 repo and tag selector to match

Signed-off-by: wang yan <wangyan@vmware.com>

src/pkg/immutabletag/match/rule/match.go

@@ -28,7 +28,11 @@ func (rm *Matcher) Match(c art.Candidate) (bool, error) {
 
 		// match repositories according to the repository selectors
 		var repositoryCandidates []*art.Candidate
-		for _, repositorySelector := range r.ScopeSelectors["repository"] {
+		repositorySelectors := r.ScopeSelectors["repository"]
+		if len(repositorySelectors) < 1 {
+			continue
+		}
+		repositorySelector := repositorySelectors[0]
 		selector, err := index.Get(repositorySelector.Kind, repositorySelector.Decoration,
 			repositorySelector.Pattern)
 		if err != nil {
@@ -38,16 +42,18 @@ func (rm *Matcher) Match(c art.Candidate) (bool, error) {
 		if err != nil {
 			return false, err
 		}
-		}
-
 		if len(repositoryCandidates) == 0 {
 			continue
 		}
 
 		// match tag according to the tag selectors
 		var tagCandidates []*art.Candidate
-		for _, tagSelector := range r.TagSelectors {
+		tagSelectors := r.TagSelectors
-			selector, err := index.Get(tagSelector.Kind, tagSelector.Decoration,
+		if len(tagSelectors) < 0 {
+			continue
+		}
+		tagSelector := r.TagSelectors[0]
+		selector, err = index.Get(tagSelector.Kind, tagSelector.Decoration,
 			tagSelector.Pattern)
 		if err != nil {
 			return false, err
@@ -56,11 +62,10 @@ func (rm *Matcher) Match(c art.Candidate) (bool, error) {
 		if err != nil {
 			return false, err
 		}
-		}
-
 		if len(tagCandidates) == 0 {
 			continue
 		}
+
 		return true, nil
 	}
 	return false, nil

src/pkg/immutabletag/match/rule/match_test.go

@@ -20,6 +20,7 @@ type MatchTestSuite struct {
 	require *require.Assertions
 	ctr     immutabletag.APIController
 	ruleID  int64
+	ruleID2 int64
 }
 
 // SetupSuite ...
@@ -47,12 +48,36 @@ func (s *MatchTestSuite) TestImmuMatch() {
 		},
 		ScopeSelectors: map[string][]*model.Selector{
 			"repository": {
+				{
+					Kind:       "doublestar",
+					Decoration: "matches",
+					Pattern:    "redis",
+				},
+			},
+		},
+	}
+
+	rule2 := &model.Metadata{
+		ID:        1,
+		ProjectID: 2,
+		Priority:  1,
+		Template:  "latestPushedK",
+		Action:    "immuablity",
+		TagSelectors: []*model.Selector{
 			{
 				Kind:       "doublestar",
 				Decoration: "matches",
 				Pattern:    "**",
 			},
 		},
+		ScopeSelectors: map[string][]*model.Selector{
+			"repository": {
+				{
+					Kind:       "doublestar",
+					Decoration: "matches",
+					Pattern:    "mysql",
+				},
+			},
 		},
 	}
 
@@ -60,6 +85,12 @@ func (s *MatchTestSuite) TestImmuMatch() {
 	s.ruleID = id
 	s.require.NotNil(err)
 
+	id, err = s.ctr.CreateImmutableRule(rule2)
+	s.ruleID2 = id
+	s.require.NotNil(err)
+
+	match := NewRuleMatcher(2)
+
 	c1 := art.Candidate{
 		NamespaceID:  2,
 		Namespace:    "immutable",
@@ -71,8 +102,6 @@ func (s *MatchTestSuite) TestImmuMatch() {
 		CreationTime: time.Now().Unix() - 7200,
 		Labels:       []string{"label1", "label4", "label5"},
 	}
-
-	match := NewRuleMatcher(2)
 	isMatch, err := match.Match(c1)
 	s.require.Equal(isMatch, true)
 	s.require.Nil(err)
@@ -88,14 +117,46 @@ func (s *MatchTestSuite) TestImmuMatch() {
 		CreationTime: time.Now().Unix() - 7200,
 		Labels:       []string{"label1", "label4", "label5"},
 	}
-
 	isMatch, err = match.Match(c2)
 	s.require.Equal(isMatch, false)
 	s.require.Nil(err)
+
+	c3 := art.Candidate{
+		NamespaceID:  2,
+		Namespace:    "immutable",
+		Repository:   "mysql",
+		Tag:          "9.4.8",
+		Kind:         art.Image,
+		PushedTime:   time.Now().Unix() - 3600,
+		PulledTime:   time.Now().Unix(),
+		CreationTime: time.Now().Unix() - 7200,
+		Labels:       []string{"label1"},
+	}
+	isMatch, err = match.Match(c3)
+	s.require.Equal(isMatch, true)
+	s.require.Nil(err)
+
+	c4 := art.Candidate{
+		NamespaceID:  2,
+		Namespace:    "immutable",
+		Repository:   "hello",
+		Tag:          "world",
+		Kind:         art.Image,
+		PushedTime:   time.Now().Unix() - 3600,
+		PulledTime:   time.Now().Unix(),
+		CreationTime: time.Now().Unix() - 7200,
+		Labels:       []string{"label1"},
+	}
+	isMatch, err = match.Match(c4)
+	s.require.Equal(isMatch, false)
+	s.require.Nil(err)
 }
 
 // TearDownSuite clears env for test suite
 func (s *MatchTestSuite) TearDownSuite() {
 	err := s.ctr.DeleteImmutableRule(s.ruleID)
 	require.NoError(s.T(), err, "delete immutable")
+
+	err = s.ctr.DeleteImmutableRule(s.ruleID2)
+	require.NoError(s.T(), err, "delete immutable")
 }