Don't install virtualenv as user.

infrared/common/roles/shade/tasks/main.yml

@@ -18,7 +18,6 @@
   pip:
       name: virtualenv
       state: forcereinstall
-      extra_args: --user
 
 # required to avoid any conflicts in venv with
 # different packages versions (especially shade)
@@ -31,12 +30,10 @@
 # do not use shimming for these two special packages
 - name: shade virtualenv core deps
   pip:
-      name: "{{ item }}"
+      name:
+        - setuptools==17.0
+        - pip==9.0.1
       virtualenv: "{{ shade_path_venv }}"
-      virtualenv_command: "{{ ansible_env.HOME }}/.local/bin/virtualenv"
-  with_items:
-    - setuptools==17.0
-    - pip==9.0.1
 
 - name: shade virtualenv deps
   pip:
@@ -48,4 +45,3 @@
       # see https://projects.engineering.redhat.com/browse/RHOSINFRA-1562
       # TODO: unpin shade to avoid other conflicts
       virtualenv: "{{ shade_path_venv }}"
-      virtualenv_command: "{{ ansible_env.HOME }}/.local/bin/virtualenv"