Use debian OpenStack repos

Debian has their own OpenStack repositories [1] which we should use
for delivering modern software and for distro deployments.

This patch also renames uca related variable to apt to correspond
the needs of these variables.

[1] https://wiki.debian.org/OpenStack

Change-Id: I7b613d50027a3e55500c5de4823268a290e04ffb

defaults/main.yml

@@ -151,8 +151,6 @@ openstack_hosts_centos_mirror_url: 'http://mirror.centos.org/centos'
 openstack_hosts_rdo_mirror_url: 'https://trunk.rdoproject.org'
 openstack_hosts_rdo_repo_url: "{{ openstack_hosts_rdo_mirror_url }}/centos7-master/current-passed-ci/"
 openstack_hosts_rdo_deps_url: "{{ openstack_hosts_rdo_mirror_url }}/centos7-master/deps/latest/"
-# Ubuntu cloud archive data
-uca_repo: "{{ _uca_repo }}"
 
 # Default opensuse mirrors URLs
 opensuse_mirror: "http://download.opensuse.org"

releasenotes/notes/apt_repo-097cb34c12e60207.yaml

@@ -0,0 +1,7 @@
+---
+upgrade:
+  - |
+    Variable `uca_repo` has been removed. Deployers are appreciated to use
+    `user_external_repos_list` instead if they want to define extra repository
+    Variable `uca_apt_repo_url` was renamed to `apt_repo_url` in order
+    to correspond it's usage as it also affect Debian deployments now.

vars/debian.yml

@@ -77,8 +77,19 @@ _openstack_host_metal_distro_packages:
   - vlan
   - wget
 
-_package_repos_keys: []
+_package_repos_keys:
+  - id: 0FB8E8DD19498FEC90B25E5E56056AB2FEE4EECB
+    url: "http://osbpo.debian.net/osbpo/dists/pubkey.gpg"
+    state: present
+
 _package_list: []
-_package_repos: []
+
+_package_repos:
+  - repo: "deb {{ apt_repo_url | default('http://osbpo.debian.net/osbpo/ ' ~ ansible_distribution_release ~ '-train-backports main') }}"
+    state: present
+    filename: "osbpo"
+  - repo: "deb {{ apt_repo_url | default('http://osbpo.debian.net/osbpo/ ' ~ ansible_distribution_release ~ '-train-backports-nochange main') }}"
+    state: present
+    filename: "osbpo"
 
 _openstack_host_ca_location: /usr/local/share/ca-certificates/

vars/ubuntu-16.04.yml

@@ -90,10 +90,8 @@ _package_list:
 
 _package_repos:
   # Implement the current UCA repo configuration
-  - repo: "{{ uca_repo }}"
+  - repo: "deb {{ apt_repo_url | default('http://ubuntu-cloud.archive.canonical.com/ubuntu') }} {{ ansible_lsb.codename }}-updates/queens main"
     state: present
     filename: "uca"
 
-_uca_repo: "deb {{ uca_apt_repo_url | default('http://ubuntu-cloud.archive.canonical.com/ubuntu') }} {{ ansible_lsb.codename }}-updates/queens main"
-
 _openstack_host_ca_location: /usr/local/share/ca-certificates/

vars/ubuntu-18.04.yml

@@ -92,10 +92,8 @@ _package_list:
 
 _package_repos:
   # Implement the current UCA repo configuration
-  - repo: "{{ uca_repo }}"
+  - repo: "deb {{ apt_repo_url | default('http://ubuntu-cloud.archive.canonical.com/ubuntu') }} {{ ansible_lsb.codename }}-updates/ussuri main"
     state: present
     filename: "uca"
 
-_uca_repo: "deb {{ uca_apt_repo_url | default('http://ubuntu-cloud.archive.canonical.com/ubuntu') }} {{ ansible_lsb.codename }}-updates/ussuri main"
-
 _openstack_host_ca_location: /usr/local/share/ca-certificates/