- Classic charms: sync charm-helpers.
- Classic ceph based charms: also sync charms.ceph
- Reactive charms: trigger a rebuild
- sync tox.ini
- sync requirements.txt and test-requirements.txt
- Remove vault HA in functional tests as etcd/easyrsa were not included.
In order to have a faster gate, the HA on vault is dropped and it will
be tested in the vault gate test and other scenario tests.
Change-Id: I2eacde1d08734c32731df3dfa43da738871792a8