Allow constraints files to be hosted on the repo server

Change-Id: I2a28a180e0bb947da2b091ec0671a48ef857e8e5

defaults/main.yml

@@ -54,3 +54,9 @@ repo_server_port: 8181
 # This directory is used by the repo_build, and will cause problems if synced
 # to repo_containers with other releases.
 repo_build_global_links_dirname: links
+
+# This directory is used on the deploy host to create u-c files which are then
+# copied to the repo server and served by http. Any other files in this
+# directory placed by the deployer will also be transferred
+repo_upper_constraints_path: "/etc/openstack_deploy/upper-constraints"
+

tasks/main.yml

@@ -50,5 +50,9 @@
   tags:
     - repo_server-config
 
+- include: repo_install_constraints.yml
+  when: inventory_hostname == groups['repo_all'][0]
+  tags: repo_server-config
+
 - name: Flush handlers
   meta: flush_handlers

tasks/repo_install_constraints.yml

@@ -0,0 +1,52 @@
+---
+# Copyright 2021, BBC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+- name: Ensure deploy host u-c directory exists
+  file:
+    state: directory
+    path: "{{ repo_upper_constraints_path }}"
+  delegate_to: localhost
+
+# by default the u-c file is retrieved by https
+- name: Retrieve upper constraints using https
+  get_url:
+    url: "{{ user_requirements_git_url | default('https://releases.openstack.org/constraints/upper/' ~ requirements_git_install_branch | default('master')) }}"
+    dest: "{{ repo_upper_constraints_path }}/{{ 'upper_constraints_' ~ requirements_git_install_branch | default('master') ~ '.txt' }}"
+  when: requirements_git_repo is search('http')
+  delegate_to: localhost
+
+- name: Retrieve local filesystem upper constraints in CI
+  command:
+     git --git-dir={{ requirements_git_repo.split('file://')[1] }}/.git show {{ requirements_git_install_branch | default('master') }}:upper-constraints.txt
+  when: requirements_git_repo is search('file://')
+  register: _uc_contents_git
+  delegate_to: localhost
+  tags:
+    - skip_ansible_lint
+
+- name: Copy local upper constraints content to a file in CI
+  copy:
+    content: "{{ _uc_contents_git.stdout }}"
+    dest: "{{ repo_upper_constraints_path }}/{{ 'upper_constraints_' ~ requirements_git_install_branch | default('master') ~ '.txt' }}"
+  when: requirements_git_repo is search('file://')
+  delegate_to: localhost
+
+- name: Copy all constraints files from the deploy host to the first repo server
+  copy:
+    src: "{{ repo_upper_constraints_path }}/"
+    dest: "{{ repo_service_home_folder }}/repo/constraints/"
+    owner: "{{ repo_service_user_name }}"
+    group: "{{ repo_service_group_name }}"
+    mode: 0644

tasks/repo_pre_install.yml

@@ -46,6 +46,7 @@
     - path: "{{ repo_service_home_folder }}/repo/os-releases/{{ openstack_release }}"
     - path: "{{ repo_service_home_folder }}/repo/pools"
     - path: "{{ repo_service_home_folder }}/repo/venvs"
+    - path: "{{ repo_service_home_folder }}/repo/constraints"
     - path: "/var/lib/nginx"
     - path: "/var/log/nginx"
       mode: "0775"