Merge pull request #442 from kubespray/issue-441

ensure bin dir for coreos before anything else

roles/kubernetes/preinstall/tasks/main.yml

 ---
+- name: Force binaries directory for CoreOS
+  set_fact:
+    bin_dir: "/opt/bin"
+  when: ansible_os_family == "CoreOS"
+
+
 - name: 'GIT | Install script for collecting git info'
   template:
     src: "{{ role_path }}/gen-gitinfos.sh"
@@ -24,11 +30,6 @@
       - ../vars
       skip: true
 
-- name: Force binaries directory for CoreOS
-  set_fact:
-    bin_dir: "/opt/bin"
-  when: ansible_os_family == "CoreOS"
-
 - name: Create kubernetes config directory
   file:
     path: "{{ kube_config_dir }}"