fixes issue with not filtering invalid cahrts from index #1515

Author: bb-Ricardo

internal/helm/repository/chart_repository.go

@@ -87,7 +87,7 @@ func IndexFromBytes(b []byte) (*repo.IndexFile, error) {
 		return nil, repo.ErrNoAPIVersion
 	}
 
-	for _, cvs := range i.Entries {
+	for name, cvs := range i.Entries {
 		for idx := len(cvs) - 1; idx >= 0; idx-- {
 			if cvs[idx] == nil {
 				continue
@@ -103,6 +103,8 @@ func IndexFromBytes(b []byte) (*repo.IndexFile, error) {
 				cvs = append(cvs[:idx], cvs[idx+1:]...)
 			}
 		}
+		// adjust slice to only contain a set of valid versions
+		i.Entries[name] = cvs
 	}
 
 	i.SortEntries()

internal/helm/repository/chart_repository_test.go

@@ -672,7 +672,7 @@ func verifyLocalIndex(t *testing.T, i *repo.IndexFile) {
 	g := NewWithT(t)
 
 	g.Expect(i.Entries).ToNot(BeNil())
-	g.Expect(i.Entries).To(HaveLen(3), "expected 3 entries in index file")
+	g.Expect(i.Entries).To(HaveLen(4), "expected 4 entries in index file")
 
 	alpine, ok := i.Entries["alpine"]
 	g.Expect(ok).To(BeTrue(), "expected 'alpine' entry to exist")
@@ -682,6 +682,10 @@ func verifyLocalIndex(t *testing.T, i *repo.IndexFile) {
 	g.Expect(ok).To(BeTrue(), "expected 'nginx' entry to exist")
 	g.Expect(nginx).To(HaveLen(2), "'nginx' should have 2 entries")
 
+	broken, ok := i.Entries["xChartWithBrokenDependencies"]
+	g.Expect(ok).To(BeTrue(), "expected 'xChartWithBrokenDependencies' entry to exist")
+	g.Expect(broken).To(HaveLen(1), "'xChartWithBrokenDependencies' should have 1 entries")
+
 	expects := []*repo.ChartVersion{
 		{
 			Metadata: &chart.Metadata{
@@ -723,8 +727,21 @@ func verifyLocalIndex(t *testing.T, i *repo.IndexFile) {
 			},
 			Digest: "sha256:1234567890abcdef",
 		},
+		{
+			Metadata: &chart.Metadata{
+				Name:        "xChartWithBrokenDependencies",
+				Description: "string",
+				Version:     "1.2.3",
+				Keywords:    []string{"broken", "still accepted"},
+				Home:        "https://example.com/something",
+			},
+			URLs: []string{
+				"https://kubernetes-charts.storage.googleapis.com/nginx-1.2.3.tgz",
+			},
+			Digest: "sha256:1234567890abcdef",
+		},
 	}
-	tests := []*repo.ChartVersion{alpine[0], nginx[0], nginx[1]}
+	tests := []*repo.ChartVersion{alpine[0], nginx[0], nginx[1], broken[0]}
 
 	for i, tt := range tests {
 		expect := expects[i]

internal/helm/testdata/chartmuseum-index.json

@@ -77,6 +77,36 @@
         "created": "0001-01-01T00:00:00Z",
         "digest": "sha256:1234567890abcdef"
       }
+    ],
+    "xChartWithBrokenDependencies": [
+      {
+        "name": "xChartWithBrokenDependencies",
+        "home": "https://example.com/something",
+        "version": "1.2.3",
+        "description": "string",
+        "keywords": [
+          "broken",
+          "still accepted"
+        ],
+        "apiVersion": "v1",
+        "dependencies": [
+          {
+            "name": "kube-rbac-proxy",
+            "version": "0.9.1",
+            "repository": ""
+          },
+          {
+            "name": "kube-rbac-proxy",
+            "version": "0.9.1",
+            "repository": ""
+          }
+        ],
+        "urls": [
+          "https://kubernetes-charts.storage.googleapis.com/nginx-1.2.3.tgz"
+        ],
+        "created": "0001-01-01T00:00:00Z",
+        "digest": "sha256:1234567890abcdef"
+      }
     ]
   }
 }

internal/helm/testdata/chartmuseum-index.yaml

@@ -48,3 +48,19 @@ entries:
         - small
         - sumtin
       digest: "sha256:1234567890abcdef"
+  xChartWithBrokenDependencies:
+    - name: xChartWithBrokenDependencies
+      description: string
+      version: 1.2.3
+      home: https://example.com/something
+      keywords:
+        - broken
+        - still accepted
+      urls:
+        - https://kubernetes-charts.storage.googleapis.com/nginx-1.2.3.tgz
+      digest: "sha256:1234567890abcdef"
+      dependencies:
+        - name: kube-rbac-proxy
+          version: "0.9.1"
+        - name: kube-rbac-proxy
+          version: "0.9.1"

internal/helm/testdata/local-index-unordered.yaml

@@ -46,3 +46,19 @@ entries:
         - small
         - sumtin
       digest: "sha256:1234567890abcdef"
+  xChartWithBrokenDependencies:
+    - name: xChartWithBrokenDependencies
+      description: string
+      version: 1.2.3
+      home: https://example.com/something
+      keywords:
+        - broken
+        - still accepted
+      urls:
+        - https://kubernetes-charts.storage.googleapis.com/nginx-1.2.3.tgz
+      digest: "sha256:1234567890abcdef"
+      dependencies:
+        - name: kube-rbac-proxy
+          version: "0.9.1"
+        - name: kube-rbac-proxy
+          version: "0.9.1"

internal/helm/testdata/local-index.yaml

@@ -46,3 +46,19 @@ entries:
         - small
         - sumtin
       digest: "sha256:1234567890abcdef"
+  xChartWithBrokenDependencies:
+    - name: xChartWithBrokenDependencies
+      description: string
+      version: 1.2.3
+      home: https://example.com/something
+      keywords:
+        - broken
+        - still accepted
+      urls:
+        - https://kubernetes-charts.storage.googleapis.com/nginx-1.2.3.tgz
+      digest: "sha256:1234567890abcdef"
+      dependencies:
+        - name: kube-rbac-proxy
+          version: "0.9.1"
+        - name: kube-rbac-proxy
+          version: "0.9.1"