Install py3-dev when not building wheels

When we're in CI and not building wheels, we might appear missing
py3-dev inside utility container, which is required for netifaces. So we
add it as `tempest_devel_distro_packages` which will get package
installed on the required target.

Change-Id: Ie8e04a1635a32e368ec3906082f7773dcefd30d1

tasks/tempest_install_source.yml

@@ -38,6 +38,7 @@
     venv_python_executable: "{{ tempest_venv_python_executable }}"
     venv_build_constraints: "{{ (tempest_git_repo is defined) | ternary( _u_c_contents.content.split('\n') | reject('match', '[tempest=*]') | list, tempest_git_constraints) }}"
     venv_install_destination_path: "{{ tempest_venv_bin | dirname }}"
+    venv_build_distro_package_list: "{{ tempest_devel_distro_packages }}"
     venv_pip_install_args: "{{ tempest_pip_install_args }}"
     venv_wheel_build_enable: "{{ venv_build_host != inventory_hostname }}"
     venv_pip_packages: "{{ tempest_pip_packages + tempest_pip_plugins }}"

vars/debian.yml

@@ -24,6 +24,9 @@ tempest_distro_packages:
   - build-essential      # required to build tempest plugins (TODO) remove this when repo server can satisfy the tempest plugin requirements
   - nmap                 # provides ncat tool which is required by some of the neutron-tempest-plugin scenario tests
 
+tempest_devel_distro_packages:
+  - python3-dev         # required for netifaces module for stackviz
+
 tempest_service_distro_packages:
   - tempest
   - python3-junitxml

vars/redhat-7.yml

@@ -25,6 +25,9 @@ tempest_service_distro_packages:
   - python-subunit
   - subunit-filters
 
+tempest_devel_distro_packages:
+  - python3-devel        # required for netifaces module for stackviz
+
 tempest_plugin_distro_packages:
   - "{{ (tempest_service_available_aodh | bool) | ternary('python-telemetry-tests-tempest', '') }}"
   - "{{ (tempest_service_available_barbican | bool) | ternary('python-barbican-tests-tempest', '') }}"

vars/redhat-8.yml

@@ -33,6 +33,9 @@ tempest_service_distro_packages:
   - python3-subunit
   - subunit-filters
 
+tempest_devel_distro_packages:
+  - python3-devel        # required for netifaces module for stackviz
+
 tempest_plugin_distro_packages:
   - "{{ (tempest_service_available_aodh | bool) | ternary('python3-telemetry-tests-tempest', '') }}"
   - "{{ (tempest_service_available_barbican | bool) | ternary('python3-barbican-tests-tempest', '') }}"