Remove epel-release / python-pip from role

These are dependencies our role requires. As such, they should be
installed by the user.

Change-Id: I924799a57ae83bdde7b358e81d6d948d18b9b8ab
Signed-off-by: Paul Belanger <pabelanger@redhat.com>

bindep.txt

@@ -0,0 +1,4 @@
+# This is a cross-platform list tracking distribution packages needed by tests;
+# see http://docs.openstack.org/infra/bindep/ for additional information.
+
+python-pip

tasks/install.yaml

@@ -17,14 +17,6 @@
     nodepool_build_depends: "{{ __nodepool_build_depends | list }}"
   when: nodepool_build_depends is not defined
 
-# NOTE(pabelanger): This needs to be here for now, since we need python-pip.
-- name: Ensure EPEL is enabled.
-  package:
-    name: epel-release
-    state: installed
-  when: (nodepool_install_method == 'git' or nodepool_install_method == 'pip') and
-        ansible_os_family == 'RedHat'
-
 - name: Ensure build dependencies are installed
   package:
     name: "{{ item }}"

vars/Debian.yaml

@@ -30,7 +30,6 @@ __nodepool_build_depends:
   - libxml2-dev
   - libxslt1-dev
   - python-dev
-  - python-pip
   - zlib1g-dev
 
 __nodepool_file_nodepool_service_dest: /etc/init.d/nodepool

vars/RedHat.yaml

@@ -21,7 +21,6 @@ __nodepool_build_depends:
   - libxslt-devel
   - openssl-devel
   - python-devel
-  - python-pip
   - zlib-devel
 
 __nodepool_file_nodepool_service_dest: /etc/systemd/system/nodepool.service