We get a nice optimisation by using a filtered loop instead
of task skipping per service with 'when'.
Partially-Implements: blueprint performance-improvements
Change-Id: I8f68100870ab90cb2d6b68a66a4c97df9ea4ff52
Add become to all tasks that use the module "kolla_docker"
Change-Id: I4309c4011687b88ec31d739fd8f834fe2326ff10
Partial-Implements: blueprint ansible-specific-task-become
Check enable_* variables first, then check inventory_host in
group, will help to avoid configuration errors.
Change-Id: Icdb1f50e5c911203b92ac431723620756b15f3c6
Closes-Bug: #1648376
Add a nova-ssh container to handle the `nova migrate` and
`nova resize` case, in which the nova will use ssh to copy
files between machines.
Change-Id: Ie6675943f3aeabfbba8589d308d55b9c89d732db
Closes-Bug: #1562141
