Modify namespace filter logic for backup with label selector

.github/workflows/pr-linter-check.yml

@@ -7,8 +7,16 @@ jobs:
     runs-on: ubuntu-latest
     steps:
 
+    - name: Set up Go
+      uses: actions/setup-go@v5
+      with:
+        go-version: '1.22'
+
     - name: Check out the code
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
 
-    - name: Linter check
-      run: make lint
+    - name: golangci-lint
+      uses: golangci/golangci-lint-action@v4
+      with:
+        version: v1.57.2
+        args: --out-format=colored-line-number

golangci.yaml → .golangci.yaml

@@ -12,14 +12,6 @@ run:
   # exit code when at least one issue was found, default is 1
   issues-exit-code: 1
 
-  # which dirs to skip: issues from them won't be reported;
-  # can use regexp here: generated.*, regexp is applied on full path;
-  # default value is empty list, but default dirs are skipped independently
-  # from this option's value (see skip-dirs-use-default).
-  # "/" will be replaced by current OS file path separator to properly work
-  # on Windows.
-  skip-dirs:
-    - pkg/plugin/generated/*
 
   # default is true. Enables skipping of directories:
   #   vendor$, third_party$, testdata$, examples$, Godeps$, builtin$
@@ -44,7 +36,7 @@ run:
 # output configuration options
 output:
   # colored-line-number|line-number|json|tab|checkstyle|code-climate, default is "colored-line-number"
-  format: colored-line-number
+  formats: colored-line-number
 
   # print lines of code with issue, default is true
   print-issued-lines: true
@@ -148,10 +140,8 @@ linters-settings:
     # minimal confidence for issues, default is 0.8
     min-confidence: 0.8
   gomnd:
-    settings:
-      mnd:
-        # the list of enabled checks, see https://github.com/tommy-muehle/go-mnd/#checks for description.
-        checks: argument,case,condition,operation,return,assign
+    # the list of enabled checks, see https://github.com/tommy-muehle/go-mnd/#checks for description.
+    checks: argument,case,condition,operation,return,assign
   gomodguard:
     allowed:
       modules:                                                        # List of allowed modules
@@ -389,6 +379,15 @@ issues:
   # Show only new issues created after git revision `REV`
   # new-from-rev: origin/main
 
+  # which dirs to skip: issues from them won't be reported;
+  # can use regexp here: generated.*, regexp is applied on full path;
+  # default value is empty list, but default dirs are skipped independently
+  # from this option's value (see skip-dirs-use-default).
+  # "/" will be replaced by current OS file path separator to properly work
+  # on Windows.
+  exclude-dirs:
+    - pkg/plugin/generated/*
+
 severity:
   # Default value is empty string.
   # Set the default severity for issues. If severity rules are defined and the issues 

changelogs/unreleased/7697-blackpiglet

@@ -0,0 +1 @@
+When Included/ExcludedNamespaces are omitted, and LabelSelector or OrLabelSelector is used, namespaces without selected items are excluded from backup.

hack/build-image/Dockerfile

@@ -93,7 +93,7 @@ RUN ARCH=$(go env GOARCH) && \
     chmod +x /usr/bin/goreleaser
 
 # get golangci-lint
-RUN curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v1.55.0
+RUN curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v1.57.2
 
 # install kubectl
 RUN curl -LO https://storage.googleapis.com/kubernetes-release/release/$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)/bin/linux/$(go env GOARCH)/kubectl

hack/lint.sh

@@ -14,14 +14,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-HACK_DIR=$(dirname "${BASH_SOURCE[0]}")
-
 # Printing out cache status
 golangci-lint cache status
 
 # Enable GL_DEBUG line below for debug messages for golangci-lint
 # export GL_DEBUG=loader,gocritic,env
-CMD="golangci-lint run -c $HACK_DIR/../golangci.yaml"
+CMD="golangci-lint run"
 echo "Running $CMD"
 
 eval $CMD

internal/hook/item_hook_handler_test.go

@@ -1976,7 +1976,7 @@ func TestValidateContainer(t *testing.T) {
 	expectedError := fmt.Errorf("invalid InitContainer in restore hook, it doesn't have Command, Name or Image field")
 
 	// valid string should return nil as result.
-	assert.Equal(t, nil, ValidateContainer([]byte(valid)))
+	assert.Nil(t, ValidateContainer([]byte(valid)))
 
 	// noName string should return expected error as result.
 	assert.Equal(t, expectedError, ValidateContainer([]byte(noName)))

pkg/backup/backup_test.go

@@ -4327,19 +4327,14 @@ func TestBackupNamespaces(t *testing.T) {
 				"resources/namespaces/v1-preferredversion/cluster/ns-1.json",
 				"resources/deployments.apps/namespaces/ns-1/deploy-1.json",
 				"resources/deployments.apps/v1-preferredversion/namespaces/ns-1/deploy-1.json",
-				"resources/namespaces/cluster/ns-2.json",
-				"resources/namespaces/v1-preferredversion/cluster/ns-2.json",
-				"resources/namespaces/cluster/ns-3.json",
-				"resources/namespaces/v1-preferredversion/cluster/ns-3.json",
 			},
 		},
 		{
 			name: "OrLabelSelector test",
 			backup: defaultBackup().OrLabelSelector([]*metav1.LabelSelector{
 				{MatchLabels: map[string]string{"a": "b"}},
 				{MatchLabels: map[string]string{"c": "d"}},
-			}).
-				Result(),
+			}).Result(),
 			apiResources: []*test.APIResource{
 				test.Namespaces(
 					builder.ForNamespace("ns-1").Result(),
@@ -4356,8 +4351,6 @@ func TestBackupNamespaces(t *testing.T) {
 				"resources/namespaces/v1-preferredversion/cluster/ns-1.json",
 				"resources/namespaces/cluster/ns-2.json",
 				"resources/namespaces/v1-preferredversion/cluster/ns-2.json",
-				"resources/namespaces/cluster/ns-3.json",
-				"resources/namespaces/v1-preferredversion/cluster/ns-3.json",
 				"resources/deployments.apps/namespaces/ns-1/deploy-1.json",
 				"resources/deployments.apps/v1-preferredversion/namespaces/ns-1/deploy-1.json",
 				"resources/deployments.apps/namespaces/ns-2/deploy-2.json",
@@ -4385,6 +4378,27 @@ func TestBackupNamespaces(t *testing.T) {
 				"resources/deployments.apps/v1-preferredversion/namespaces/ns-1/deploy-1.json",
 			},
 		},
+		{
+			name: "LabelSelector and Namespace exclude filtering test",
+			backup: defaultBackup().ExcludedNamespaces("ns-1", "ns-2").LabelSelector(&metav1.LabelSelector{MatchLabels: map[string]string{"a": "b"}}).
+				Result(),
+			apiResources: []*test.APIResource{
+				test.Namespaces(
+					builder.ForNamespace("ns-1").ObjectMeta(builder.WithLabels("a", "b")).Result(),
+					builder.ForNamespace("ns-2").Result(),
+					builder.ForNamespace("ns-3").Result(),
+				),
+				test.Deployments(
+					builder.ForDeployment("ns-1", "deploy-1").ObjectMeta(builder.WithLabels("a", "b")).Result(),
+				),
+			},
+			want: []string{
+				"resources/namespaces/cluster/ns-1.json",
+				"resources/namespaces/v1-preferredversion/cluster/ns-1.json",
+				"resources/namespaces/cluster/ns-3.json",
+				"resources/namespaces/v1-preferredversion/cluster/ns-3.json",
+			},
+		},
 		{
 			name:   "Empty namespace test",
 			backup: defaultBackup().IncludedNamespaces("invalid*").Result(),