Fix Ubuntu keystone deployment

No package python3-setuputils available. Should probably be
python3-setuptools.

Version checking for fernet was failing - version now sent to stdout,
not stderr. UUID tokens are long gone - always use fernet.

Change-Id: I9703570695ccf1fc3e767c95629c51b5e7e8de83

playbooks/roles/bifrost-keystone-install/defaults/required_defaults_Ubuntu_18.04.yml

@@ -7,7 +7,7 @@ required_packages:
   - python3-dev
   - python3-mysqldb
   - python3-pymysql
-  - python3-setuputils
+  - python3-setuptools
   - libffi-dev
   - libxslt1-dev
   - libssl-dev

playbooks/roles/bifrost-keystone-install/tasks/bootstrap.yml

@@ -90,33 +90,6 @@
     group: "keystone"
     mode: 0755
 
-- name: "Ensure /etc/keystone/fernet-keys exists"
-  file:
-    name: /etc/keystone/fernet-keys
-    state: directory
-    owner: keystone
-    group: keystone
-    mode: 0750
-
-- name: "Retrieve Keystone major version"
-  command: keystone-manage --version
-  register: keystone_version_str
-  environment: "{{ bifrost_venv_env if enable_venv else {} }}"
-
-- name: "Set Keystone major version"
-  set_fact:
-    keystone_version: "{{ keystone_version_str.stderr.split('.')[0] }}"
-
-- name: "Set Keystone provider to uuid"
-  set_fact:
-    keystone_provider: "uuid"
-  when: keystone_version | int < 13
-
-- name: "Set Keystone provider to fernet"
-  set_fact:
-    keystone_provider: "fernet"
-  when: keystone_version | int >= 13
-
 - name: "Write keystone configuration from template"
   template:
     src: keystone.conf.j2
@@ -134,7 +107,6 @@
     keystone-manage fernet_setup
     --keystone-user="{{ nginx_user }}" --keystone-group="{{ nginx_user }}"
   environment: "{{ bifrost_venv_env if enable_venv else {} }}"
-  when: keystone_version | int >= 13
 
 - name: "Setup Keystone Credentials"
   command: >

playbooks/roles/bifrost-keystone-install/templates/keystone-admin.ini.j2

@@ -3,7 +3,7 @@
 master = true
 processes = 2
 threads = 2
-plugin = python
+plugin = python3
 no-orphans = true
 chmod-socket = 660
 {% if uwsgi_venv is defined and uwsgi_venv | length > 0 %}

playbooks/roles/bifrost-keystone-install/templates/keystone-public.ini.j2

@@ -3,7 +3,7 @@
 master = true
 processes = 2
 threads = 2
-plugin = python
+plugin = python3
 no-orphans = true
 chmod-socket = 660
 {% if uwsgi_venv is defined and uwsgi_venv | length > 0 %}

playbooks/roles/bifrost-keystone-install/templates/keystone.conf.j2

@@ -23,4 +23,4 @@ use_db_reconnect = true
 lockout_failure_attempts = 3
 
 [token]
-provider = {{ keystone_provider }}
+provider = fernet