1 files changed, 34 insertions, 0 deletions
diff --git a/test/security/k8s/src/check/validators/master/boolean/boolean.go b/test/security/k8s/src/check/validators/master/boolean/boolean.go
new file mode 100644
index 000000000..dba73c1e8
--- /dev/null
+++ b/test/security/k8s/src/check/validators/master/boolean/boolean.go
@@ -0,0 +1,34 @@
+package boolean
+
+import (
+	"strings"
+)
+
+// IsSingleFlagPresent checks presence of selected flag and whether it was used once.
+func IsSingleFlagPresent(flag string, params []string) bool {
+	found := filterFlags(params, flag)
+	if len(found) != 1 {
+		return false
+	}
+	return true
+}
+
+// IsFlagAbsent checks absence of selected flag in parameters.
+func IsFlagAbsent(flag string, params []string) bool {
+	found := filterFlags(params, flag)
+	if len(found) != 0 {
+		return false
+	}
+	return true
+}
+
+// filterFlags returns all occurrences of selected flag.
+func filterFlags(strs []string, flag string) []string {
+	var filtered []string
+	for _, str := range strs {
+		if strings.HasPrefix(str, flag) {
+			filtered = append(filtered, str)
+		}
+	}
+	return filtered
+}