Install required modules for utility env

Since we delegate image uplaod to the utility venv, we also need to
have selinux package, otherwise file download and some of the operations
may fail

Also this installs python mysql binding as we're about to delegate
db_setup tasks to the utility venv.

Change-Id: Id219ccb227485ffaf4b2cad36e8100672137c1d7
Needed-By:  https://review.opendev.org/739646
Needed-By: https://review.opendev.org/733443

inventory/group_vars/utility_all.yml

@@ -37,6 +37,7 @@ _utility_devel_distro_packages_debian:
 
 _utility_devel_distro_packages_redhat:
   - gcc
+  - libselinux-python3
   - "{{ ansible_distribution_major_version is version('8', '<') | ternary('python-devel', 'python36-devel') }}"
 
 # Distribution packages needed for the utility pip package wheel build
@@ -60,12 +61,15 @@ _utility_distro_openstack_clients_packages:
     - python3-novaclient
     - python3-cinderclient
     - python3-openstackclient
+    - "{{ (ansible_os_family | lower == 'redhat') | ternary('python3-PyMySQL', 'python3-pymysql') }}"
 
 # Python packages to be installed into the utility container
 utility_pip_packages:
   - cryptography
   - pip
+  - PyMySQL
   - python-memcached
+  - selinux
   - setuptools
   - wheel
   - openstacksdk

playbooks/defaults/distro_install.yml

@@ -67,3 +67,7 @@ trove_install_method: distro
 watcher_install_method: distro
 zaqar_install_method: distro
 zun_install_method: distro
+
+## Delegate all database setup tasks to the utility host, and use the utility venv python interpreter
+openstack_db_setup_host: "{{ groups['utility_all'][0] }}"
+openstack_db_setup_python_interpreter: "{{ ansible_python['executable'] }}"

playbooks/defaults/source_install.yml

@@ -29,4 +29,8 @@ openstack_repo_git_url: "git://{{ internal_lb_vip_address }}"
 
 ## Delegate all service setup tasks to the utility host, and use the utility venv python interpreter
 openstack_service_setup_host: "{{ groups['utility_all'][0] }}"
-openstack_service_setup_host_python_interpreter: "/openstack/venvs/utility-{{ openstack_release }}/bin/python"
+openstack_service_setup_host_python_interpreter: "/openstack/venvs/utility-{{ openstack_release }}/bin/python"
+
+## Delegate all database setup tasks to the utility host, and use the utility venv python interpreter
+openstack_db_setup_host: "{{ openstack_service_setup_host }}"
+openstack_db_setup_python_interpreter: "{{ openstack_service_setup_host_python_interpreter }}"

playbooks/utility-install.yml

@@ -75,6 +75,40 @@
         utility_distro_packages: "{{ (utility_distro_packages | default([])) + _utility_distro_openstack_clients_packages[utility_distro_openstack_clients_python_version|int] }}"
       when: install_method == "distro"
 
+    - name: Add EPEL repsitory
+      block:
+        - name: Download EPEL gpg keys
+          get_url:
+            url: "{{ centos_epel_key | default('http://download.fedoraproject.org/pub/epel/RPM-GPG-KEY-EPEL-' ~ ansible_distribution_major_version) }}"
+            dest: /etc/pki/rpm-gpg
+          register: _get_yum_keys
+          until: _get_yum_keys is success
+          retries: 5
+          delay: 2
+
+        - name: Install EPEL gpg keys
+          rpm_key:
+            key: "/etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-{{ ansible_distribution_major_version }}"
+            state: present
+
+        - name: Install the EPEL repository
+          yum_repository:
+            name: epel-utility
+            baseurl: "{{ centos_epel_mirror | default('http://download.fedoraproject.org/pub/epel') ~ '/' ~ ansible_distribution_major_version ~ '/' ~ ansible_architecture }}"
+            description: 'Extra Packages for Enterprise Linux 7 - $basearch'
+            gpgcheck: yes
+            enabled: yes
+            state: present
+            includepkgs: 'python3-PyMySQL python36-PyMySQL'
+          register: install_epel_repo
+          until: install_epel_repo is success
+          retries: 5
+          delay: 2
+      when:
+        - install_method == "distro"
+        - ansible_os_family | lower == 'redhat'
+        - ansible_distribution_major_version is version('8', '<')
+
     - name: Install distro packages
       package:
         name: "{{ utility_distro_packages | default([]) }}"