Fix missing auto DB creation on Victoria

Also updates for testing period for 20.01 release.
All these changes are needed together in order to have passing
functional tests.

Includes updates to charmhelpers/charms.openstack for cert_utils
and unit-get for the install hook error on Juju 2.9

* charm-helpers sync for classic charms
* rebuild for reactive charms
* ensure tox.ini is from release-tools
* ensure requirements.txt files are from release-tools
* On reactive charms:
  - ensure master branch for charms.openstack
  - ensure master branch for charm-helpers

Change-Id: Ieff90482f0acfac735c1ed69fc0593bd44913bac
Closes-Bug: #1903725

rebuild

@@ -2,4 +2,4 @@
 # when dependencies of the charm change,
 # but nothing in the charm needs to.
 # simply change the uuid to something new
-4fc7b7e6-0e2c-11eb-a9d8-870e71103627
+82a5f120-5745-11eb-b674-bba99621a1b4

src/templates/rocky/barbican.conf

@@ -4,6 +4,10 @@ bind_host = {{ options.service_listen_info.barbican_worker.ip }}
 bind_port = {{ options.service_listen_info.barbican_worker.port }}
 host_href = {{ options.external_endpoints.barbican_worker.url }}
 
+# Create the Barbican database on service startup. This is `true` by default
+# up to Ussuri and `false` by default from Victoria on:
+db_auto_create = true
+
 {% include "parts/section-transport-url" %}
 
 {% include "parts/database" %}

src/wheelhouse.txt

@@ -1 +1,5 @@
 psutil
+
+git+https://opendev.org/openstack/charms.openstack.git#egg=charms.openstack
+
+git+https://github.com/juju/charm-helpers.git#egg=charmhelpers

test-requirements.txt

@@ -22,6 +22,8 @@ importlib-resources<3.0.0; python_version < '3.6'
 # dropped support for python 3.5:
 osprofiler<2.7.0;python_version<'3.6'
 stevedore<1.31.0;python_version<'3.6'
+debtcollector<1.22.0;python_version<'3.6'
+oslo.utils<=3.41.0;python_version<'3.6'
 
 requests>=2.18.4
 charms.reactive