Add setup for kubectl and helm

the kubeconfig is copied from the cluster config directory to ~/.kube/config.
Also, the playbook runs kubectl and helm roles to install tools.
Change-Id: I29ee98f6502bbb7923b1ae6812dd642ca206dbce
Issue-ID: OOM-1778
Signed-off-by: Petr OspalĂ˝ <p.ospaly@partner.samsung.com>
Signed-off-by: Michal Zegan <m.zegan@samsung.com>
diff --git a/ansible/roles/rke/defaults/main.yml b/ansible/roles/rke/defaults/main.yml
index 3e1c26a..cbf03b7 100644
--- a/ansible/roles/rke/defaults/main.yml
+++ b/ansible/roles/rke/defaults/main.yml
@@ -2,8 +2,10 @@
 rke_binary: rke
 rke_username: rke
 rke_bin_dir: /usr/local/bin
+kube_config_dir: "{{ ansible_env.HOME }}/.kube"
 cluster_config_dir: "{{ app_data_path }}/cluster"
 rke:
+  # rke (rancher) images
   etcd: rancher/coreos-etcd:v3.2.24-rancher1
   alpine: rancher/rke-tools:v0.1.27
   nginx_proxy: rancher/rke-tools:v0.1.27