[ussuri][goal] Updates for python 2.7 drop

OpenStack is dropping the py2.7 support in ussuri cycle.

openstack-ansible repos only need updates on requirements
and tox file.

Complete discussion & schedule can be found in
- http://lists.openstack.org/pipermail/openstack-discuss/2019-October/010142.html
- https://etherpad.openstack.org/p/drop-python2-support

Ussuri Communtiy-wide goal:
https://governance.openstack.org/tc/goals/selected/ussuri/drop-py27.html

Change-Id: Idf700e627b5c88059762690aec6dc3e3a345a39f

bindep.txt

@@ -29,9 +29,6 @@ gcc
 git-core          [platform:dpkg platform:suse]
 libssl-dev        [platform:dpkg]
 libffi-dev        [platform:dpkg]
-python2.7         [platform:dpkg]
-python-apt        [platform:dpkg]
-python-dev        [platform:dpkg]
 python3           [platform:dpkg]
 python3-apt       [platform:dpkg]
 python3-dev       [platform:dpkg]
@@ -41,14 +38,14 @@ gcc-c++           [platform:rpm]
 git               [platform:rpm !platform:suse]
 libffi-devel      [platform:rpm]
 openssl-devel     [platform:rpm]
-python-devel      [platform:rpm]
+python3-devel     [platform:rpm]
-python2-dnf       [platform:fedora]
+python3-dnf       [platform:fedora]
 
 # Base requirements for Gentoo
 git               [platform:gentoo]
 
 # For SELinux
-libselinux-python [platform:redhat]
+libselinux-python  [platform:redhat]
 libsemanage-python [platform:redhat]
 
 # Required for compressing collected log files in CI

tasks/rhel7stig/misc.yml

@@ -35,11 +35,23 @@
     - misc
     - V-71985
 
+# NOTE(noonedeadpunk): We run this twice because of the ansible bug:
+#                      https://github.com/ansible/ansible/issues/68680
 # This returns an exit code of 0 if it's running, 3 if it's masked.
 - name: V-71993 - The x86 Ctrl-Alt-Delete key sequence must be disabled
   systemd:
     name: ctrl-alt-del.target
     enabled: no
+  when:
+    - security_rhel7_disable_ctrl_alt_delete | bool
+  tags:
+    - high
+    - misc
+    - V-71993
+
+- name: V-71993 - The x86 Ctrl-Alt-Delete key sequence must be disabled
+  systemd:
+    name: ctrl-alt-del.target
     masked: yes
     daemon_reload: yes
   when:

tests/test.yml

@@ -16,6 +16,9 @@
 - name: Playbook for role testing
   hosts: localhost
   pre_tasks:
+    - name: Set ansible_python_interpreter
+      set_fact:
+        ansible_python_interpreter: "/usr/bin/{{ (ansible_distribution == 'CentOS' and ansible_distribution_version is version('8', '<')) | ternary('python2', 'python3') }}"
     - name: Ensure apt cache is updated before testing
       apt:
         update_cache: yes

tox.ini

@@ -1,10 +1,12 @@
 [tox]
-minversion = 2.0
+minversion = 3.1
 skipsdist = True
 envlist = docs,linters,functional
+ignore_basepython_conflict = True
 
 
 [testenv]
+basepython = python3
 usedevelop = True
 install_command =
     pip install -c{env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt} {opts} {packages}
@@ -31,7 +33,6 @@ setenv =
 
 
 [testenv:docs]
-basepython = python3
 deps = -r{toxinidir}/doc/requirements.txt
 commands =
     bash -c "rm -rf doc/build"
@@ -41,7 +42,6 @@ commands =
     sphinx-build -W -b html doc/source doc/build/html
 
 [testenv:pdf-docs]
-basepython = python3
 deps = {[testenv:docs]deps}
 whitelist_externals =
   make
@@ -57,7 +57,6 @@ allow-long-titles=1
 
 
 [testenv:releasenotes]
-basepython = python3
 deps = -r{toxinidir}/doc/requirements.txt
 commands =
     sphinx-build -a -E -W -d releasenotes/build/doctrees -b html releasenotes/source releasenotes/build/html
@@ -65,13 +64,11 @@ commands =
 
 # environment used by the -infra templated docs job
 [testenv:venv]
-basepython = python3
 commands =
     {posargs}
 
 
 [testenv:pep8]
-basepython = python3
 commands =
     bash -c "{toxinidir}/tests/common/test-pep8.sh"
 
@@ -84,19 +81,16 @@ ignore=F403
 
 
 [testenv:bashate]
-basepython = python3
 commands =
     bash -c "{toxinidir}/tests/common/test-bashate.sh"
 
 
 [testenv:ansible-syntax]
-basepython = python3
 commands =
     bash -c "{toxinidir}/tests/common/test-ansible-syntax.sh"
 
 
 [testenv:ansible-lint]
-basepython = python3
 commands =
     bash -c "{toxinidir}/tests/common/test-ansible-lint.sh"
 
@@ -110,7 +104,6 @@ commands =
     bash -c "{toxinidir}/tests/common/test-ansible-functional.sh"
 
 [testenv:linters]
-basepython = python3
 commands =
     bash -c "{toxinidir}/tests/common/test-ansible-env-prep.sh"
     {[testenv:pep8]commands}