Upgrade to ansible to 2.0

Jeffrey,

can you fill out the work items that you think this work entails?

I'm happy to help on implementation.

thanks
-steve

I'll also help on this - pbourke

thanks guys. I will fill the work items ASAP. (jeffrey4l)

Hi, Jeffrey, some gate jobs failed after upgrading to ansbile>2. It is better to specify a particular ansible version, rather than >2 [1]. - Hui

[1]http://logs.openstack.org/77/322377/1/check/gate-kolla-dsvm-deploy-ubuntu-source/ae9fc48/console.html#_2016-05-28_05_11_28_653

Hui,
Yes. Currently, the ansible 2.1 break the gate/kolla. I have push a new PS to fix the gap. Could u check this https://review.openstack.org/321754 ?
thanks
Jeffrey4l

moving to newton-3.. - coolsvap

Gerrit topic: https://review.openstack.org/#q,topic:bp/ansible2,n,z

Addressed by: https://review.openstack.org/317421
    Bump the ansible to 2

Addressed by: https://review.openstack.org/311625
    Bump the ansible version to 2.0.2.0-1 in the kolla-toolbox

Addressed by: https://review.openstack.org/327410
    Fix the prechecks for the ansible version

Addressed by: https://review.openstack.org/352275
    Port with_ loop variable syntax to Ansbile 2
         (ceph ceilometer glance heat horizon keystone mariadb memcached neutron nova rabbitmq)

Addressed by: https://review.openstack.org/356183
    Port with_ loop variable syntax to Ansbile 2
         (cinder haproxy ironic magnum mistral mongodb murano swift watcher)

Addressed by: https://review.openstack.org/361886
    Chage with_ loop variables syntax to ansible 2

Gerrit topic: https://review.openstack.org/#q,topic:ansible2,n,z

Addressed by: https://review.openstack.org/368364
    Change with_ loop variables syntax to ansible 2