Consolidate roles into pre playbook as tasks

Remove roles directory and respective tasks from whitebox-common and
whitebox-nova-compute and consolidate those tasks into
whitebox/pre.yaml. Also remove the installation of the package numactl
since it is no longer used in tests.

Change-Id: Ife7277db7be8d32a2630b3a221e641f9dca1ceb3

playbooks/whitebox/pre.yaml

@@ -1,5 +1,21 @@
 - hosts: all
   roles:
       - ensure-pip
-      - whitebox-common
-      - whitebox-nova-compute
+
+  tasks:
+    - name: crudini
+      pip:
+          name: crudini
+          state: present
+      become: yes
+    # NOTE(artom) The run-tempest role runs as the tempest user, so we need to give
+    # the tempest user SSH access to all hosts. Devstack's orchestrate-devstack
+    # role should have put a pubkey into the stack user's authorized_keys, so if we
+    # put the corresponding private key in the tempest user's .ssh, things should
+    # magically work.
+    - name: Setup tempest SSH key
+      include_role:
+          name: copy-build-sshkey
+      vars:
+          ansible_become: yes
+          copy_sshkey_target_user: 'tempest'

roles/whitebox-common/tasks/main.yml

@@ -1,17 +0,0 @@
-- name: crudini
-  pip:
-      name: crudini
-      state: present
-  become: yes
-
-# NOTE(artom) The run-tempest role runs as the tempest user, so we need to give
-# the tempest user SSH access to all hosts. Devstack's orchestrate-devstack
-# role should have put a pubkey into the stack user's authorized_keys, so if we
-# put the corresponding private key in the tempest user's .ssh, things should
-# magically work.
-- name: Setup tempest SSH key
-  include_role:
-      name: copy-build-sshkey
-  vars:
-      ansible_become: yes
-      copy_sshkey_target_user: 'tempest'

roles/whitebox-nova-compute/tasks/main.yml

@@ -1,9 +0,0 @@
-- name: Install numactl
-  package:
-      name: numactl
-      state: present
-  become: yes
-
-- name: Allocate hugepages
-  shell: echo {{ num_hugepages }} > /sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages
-  become: yes

whitebox_tempest_plugin/api/compute/test_cpu_pinning.py

@@ -34,6 +34,7 @@ from tempest.common import utils
 from tempest.common import waiters
 from tempest import config
 from tempest.exceptions import BuildErrorException
+from tempest.lib import decorators
 
 from whitebox_tempest_plugin.api.compute import base
 from whitebox_tempest_plugin.api.compute import numa_helper
@@ -766,6 +767,7 @@ class NUMALiveMigrationTest(NUMALiveMigrationBase):
         self.assertEqual(threads_a, threads_b, 'After live migration emulator '
                          'threads for both servers should be the same')
 
+    @decorators.skip_because(bug='2009853', bug_type='storyboard')
     def test_hugepages(self):
         host_a, host_b = [whitebox_utils.get_ctlplane_address(host) for host in
                           self.list_compute_hosts()]