k8s: Drop process name trimming from etcd on RKE

Information for etcd extracted from container on a RKE-based cluster
does not include process name.

Issue-ID: SECCOM-235
Change-Id: Ie6aee550868431d5f4d27c3b3d262e17e1aa6156
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 eea5c01..91237ba 100644
--- a/test/security/k8s/src/check/raw/raw.go
+++ b/test/security/k8s/src/check/raw/raw.go
@@ -49,7 +49,7 @@
 // GetEtcdParams returns parameters of running etcd.
 // It queries only cluster nodes with "controlplane" role.
 func (r *Raw) GetEtcdParams() ([]string, error) {
-	return []string{}, check.ErrNotImplemented
+	return getProcessParams(check.EtcdProcess)
 }
 
 func getProcessParams(process check.Command) ([]string, error) {
@@ -67,6 +67,10 @@
 
 			cmd = trimOutput(cmd) // TODO: improve `docker inspect` query format.
 			if len(cmd) > 0 {
+				if process == check.EtcdProcess { // etcd process name is not included in its argument list.
+					return btos(cmd), nil
+				}
+
 				i := bytes.Index(cmd, []byte(process.String()))
 				if i == -1 {
 					return []string{}, fmt.Errorf("missing %s command", process)