Add tests for CPU pinning.
- test_cpu_shared
- test_cpu_dedicated
- test_resize_pinned_server_to_unpinned
- test_resize_unpinned_server_to_pinned
- test_reboot_pinned_server
This adds some helper functions that, curiously, are not included in the
base 'BaseV2ComputeAdminTest' class provided by tempest. In addition, it
adds a 'bindep.txt' file and appropriate tox target to ensure the
libvirt Python libraries, which this uses, are installed.
Change-Id: I2eb58c886987e318f21173aac0c8fa4b410fd494
Implements: RHELOSP-12284
d02a9af251