Add an InvertMatch flag to the resource meta filter for keeping non-m…

…atching nodes
thestormforge · Feb 1, 2024 · cc8a575 · cc8a575
1 parent fa0359f
commit cc8a575
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Showing 2 changed files with 20 additions and 3 deletions.
diff --git a/pkg/filters/resourcemeta.go b/pkg/filters/resourcemeta.go
@@ -41,6 +41,9 @@ type ResourceMetaFilter struct {
 	LabelSelector string `json:"labelSelector,omitempty" yaml:"labelSelector,omitempty"`
 	// Kubernetes selector matching annotations
 	AnnotationSelector string `json:"annotationSelector,omitempty" yaml:"annotationSelector,omitempty"`
+
+	// Invert the matching behavior (i.e. keep non-matching nodes).
+	InvertMatch bool `json:"invertMatch,omitempty" yaml:"invertMatch,omitempty"`
 }
 
 func (f *ResourceMetaFilter) Filter(nodes []*yaml.RNode) ([]*yaml.RNode, error) {
@@ -58,23 +61,23 @@ func (f *ResourceMetaFilter) Filter(nodes []*yaml.RNode) ([]*yaml.RNode, error)
 		if m != nil {
 			if meta, err := n.GetMeta(); err != nil {
 				return nil, err
-			} else if !m.matchesMeta(meta) {
+			} else if m.matchesMeta(meta) == f.InvertMatch {
 				continue
 			}
 		}
 
 		if f.LabelSelector != "" {
 			if matched, err := n.MatchesLabelSelector(f.LabelSelector); err != nil {
 				return nil, err
-			} else if !matched {
+			} else if matched == f.InvertMatch {
 				continue
 			}
 		}
 
 		if f.AnnotationSelector != "" {
 			if matched, err := n.MatchesAnnotationSelector(f.AnnotationSelector); err != nil {
 				return nil, err
-			} else if !matched {
+			} else if matched == f.InvertMatch {
 				continue
 			}
 		}

diff --git a/pkg/filters/resourcemeta_test.go b/pkg/filters/resourcemeta_test.go
@@ -52,6 +52,20 @@ func TestResourceMetaFilter_Filter(t *testing.T) {
 				rmNode("foobar", nil, nil),
 			},
 		},
+		{
+			desc: "match name negate",
+			filter: ResourceMetaFilter{
+				Name:        "foo.*",
+				InvertMatch: true,
+			},
+			input: []*yaml.RNode{
+				rmNode("foobar", nil, nil),
+				rmNode("barfoo", nil, nil),
+			},
+			expected: []*yaml.RNode{
+				rmNode("barfoo", nil, nil),
+			},
+		},
 		{
 			desc: "match annotation",
 			filter: ResourceMetaFilter{