k8s: Mock etcd information collection

Rancher does not provide information on etcd as container arguments.
Its collection requires implementation of a new information extraction
method.

RKE does not include etcd process name in container arguments.

Issue-ID: SECCOM-235
Change-Id: I7576474fb2848962360771d2850aeb3f3869790a
Signed-off-by: Pawel Wieczorek <p.wieczorek2@samsung.com>
diff --git a/test/security/k8s/src/check/raw/raw.go b/test/security/k8s/src/check/raw/raw.go
index 5551159..eea5c01 100644
--- a/test/security/k8s/src/check/raw/raw.go
+++ b/test/security/k8s/src/check/raw/raw.go
@@ -46,6 +46,12 @@
 	return getProcessParams(check.ControllerManagerProcess)
 }
 
+// GetEtcdParams returns parameters of running etcd.
+// It queries only cluster nodes with "controlplane" role.
+func (r *Raw) GetEtcdParams() ([]string, error) {
+	return []string{}, check.ErrNotImplemented
+}
+
 func getProcessParams(process check.Command) ([]string, error) {
 	nodes, err := config.GetNodesInfo()
 	if err != nil {