This is similar to I21ab8e13f25bb7a769dcf504fa6915303bc2feec. Even
though most of the bootstrap packages are provided by the distribution
mirrors, it's best if we add the OpenStack repository just in case
there are any OpenStack specific package updates.
Change-Id: I5db15736d46f98b0b20b1e227afa7f713df7064d
bbb0001856