[CORD-3083] Prep for validation jobs on automation-tools repo

Change-Id: Ia61993c88f99497273599d359789f9d9b0040887
diff --git a/kubespray-installer/copy-ssh-keys.sh b/kubespray-installer/copy-ssh-keys.sh
index ff1918b..4683779 100755
--- a/kubespray-installer/copy-ssh-keys.sh
+++ b/kubespray-installer/copy-ssh-keys.sh
@@ -17,8 +17,9 @@
 NODES=($@)
 
 for NODE in "${NODES[@]}";
-  do
-    ssh-keygen -R ${NODE}
-    ssh cord@${NODE} 'mkdir -p .ssh'
-    cat ~/.ssh/id_rsa.pub | ssh cord@${NODE} 'cat >> .ssh/authorized_keys'
-  done
+do
+  ssh-keygen -R "${NODE}"
+  ssh "cord@${NODE}" 'mkdir -p .ssh'
+  ssh "cord@${NODE}" 'cat >> .ssh/authorized_keys' <  ~/.ssh/id_rsa.pub
+done
+