As workaround for decreasing loading in the UI on unread
notifications fetching we can mark all notifications as read.
For such purposes we add NotificationsMarkAllHandler
Change-Id: I2e6a0daaf8712ab3064df728a8fb463ef805aa06
Partial-Bug: #1657348
nailgun.errors have a huge set of exceptions but without hierarchy. This
patch remove exception generation from dict and make it explicitly with
python classes and add some exceptions hierarchy. Now all network errors
inherit from NetworkException and same for other exceptions.
Change-Id: I9a2c6b358ea02a16711da74562308664ad7aed97
Closes-bug: #1566195
OpenStack upgrader performs the following tasks:
* add information about new releases to Nailgun
* add notification about new releases to Nailgun
Related to blueprint fuel-upgrade
Change-Id: I962921492e09e06eb0396fae26c4bea1774720df