support * when redacting yaml maps

Author: laverya

pkg/redact/yaml.go

@@ -94,6 +94,14 @@ func (r *YamlRedactor) redactYaml(in interface{}, path []string) interface{} {
 		}
 		return typed
 	case map[interface{}]interface{}:
+		if path[0] == "*" && len(typed) > 0 {
+			newMap := map[interface{}]interface{}{}
+			for key, child := range typed {
+				newMap[key] = r.redactYaml(child, path[1:])
+			}
+			return newMap
+		}
+
 		child, ok := typed[path[0]]
 		if ok {
 			newChild := r.redactYaml(child, path[1:])

pkg/redact/yaml_test.go

@@ -152,6 +152,26 @@ xyz:
 			inputString: `improperly-formatted: yaml`,
 			wantString:  `improperly-formatted: yaml`,
 		},
+		{
+			name: "star index in map",
+			path: []string{"abc", "xyz", "*"},
+			inputString: `
+abc:
+  xyz:
+    a: b
+    c: d
+    e: f
+xyz:
+  hello: {}`,
+			wantString: `abc:
+  xyz:
+    a: '***HIDDEN***'
+    c: '***HIDDEN***'
+    e: '***HIDDEN***'
+xyz:
+  hello: {}
+`,
+		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {