Bump up Ansible max supported ver to 4.x

This change bumps up max supported Ansible version
to 4.x (ansible-core 2.11.x) and minimum to 2.10.

Change-Id: I8b9212934dfab3831986e8db55671baee32f4bbd

7 files changed, 21 insertions, 10 deletions

diff --git a/ansible/library/kolla_toolbox.py b/ansible/library/kolla_toolbox.py
index c860c33bc..3a613ef01 100644
--- a/ansible/library/kolla_toolbox.py
+++ b/ansible/library/kolla_toolbox.py
@@ -19,8 +19,11 @@ import docker
 import json
 import re
 
+from ansible.module_utils.ansible_release import __version__ as ansible_version
 from ansible.module_utils.basic import AnsibleModule
 
+from ast import literal_eval
+
 DOCUMENTATION = '''
 ---
 module: kolla_toolbox
@@ -108,7 +111,10 @@ def gen_commandline(params):
     if params.get('module_name'):
         command.extend(['-m', params.get('module_name')])
     if params.get('module_args'):
-        module_args = params.get('module_args')
+        if StrictVersion(ansible_version) < StrictVersion('2.11.0'):
+            module_args = params.get('module_args')
+        else:
+            module_args = literal_eval(params.get('module_args'))
         if isinstance(module_args, dict):
             module_args = ' '.join("{}='{}'".format(key, value)
                                    for key, value in module_args.items())
diff --git a/ansible/roles/prechecks/vars/main.yml b/ansible/roles/prechecks/vars/main.yml
index 8e4a7e437..ea32bd291 100644
--- a/ansible/roles/prechecks/vars/main.yml
+++ b/ansible/roles/prechecks/vars/main.yml
@@ -1,8 +1,8 @@
 ---
 docker_version_min: '18.09'
 docker_py_version_min: '3.4.1'
-ansible_version_min: '2.9'
-ansible_version_max: '2.10'
+ansible_version_min: '2.10'
+ansible_version_max: '2.11'
 
 # Top level keys should match ansible_facts.distribution.
 # These map to lists of supported releases (ansible_facts.distribution_release) or
diff --git a/doc/source/user/quickstart.rst b/doc/source/user/quickstart.rst
index 0a954bc41..060ac25ee 100644
--- a/doc/source/user/quickstart.rst
+++ b/doc/source/user/quickstart.rst
@@ -89,11 +89,11 @@ If not installing Kolla Ansible in a virtual environment, skip this section.
       pip install -U pip
 
 #. Install `Ansible <http://www.ansible.com>`__. Kolla Ansible requires at least
-   Ansible ``2.9`` and supports up to ``2.10``.
+   Ansible ``2.10`` and supports up to ``4``.
 
    .. code-block:: console
 
-      pip install 'ansible<3.0'
+      pip install 'ansible<5.0'
 
 Install dependencies not using a virtual environment
 ----------------------------------------------------
@@ -121,7 +121,7 @@ If installing Kolla Ansible in a virtual environment, skip this section.
       sudo pip3 install -U pip
 
 #. Install `Ansible <http://www.ansible.com>`__. Kolla Ansible requires at least
-   Ansible ``2.9`` and supports up to ``2.10``.
+   Ansible ``2.10`` and supports up to ``4``.
 
    For CentOS or RHEL, run:
 
diff --git a/releasenotes/notes/ansible-4-171c8afddfc325e8.yaml b/releasenotes/notes/ansible-4-171c8afddfc325e8.yaml
new file mode 100644
index 000000000..9360c563a
--- /dev/null
+++ b/releasenotes/notes/ansible-4-171c8afddfc325e8.yaml
@@ -0,0 +1,5 @@
+---
+upgrade:
+  - |
+    Minimum supported Ansible version is now ``2.10`` and maximum supported
+    is ``4`` (ansible-core 2.11).
diff --git a/test-requirements.txt b/test-requirements.txt
index 8b10965c0..ef84c6b8a 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -13,4 +13,4 @@ coverage!=4.4,>=4.0 # Apache-2.0
 docker>=2.4.2 # Apache-2.0
 oslotest>=3.2.0 # Apache-2.0
 stestr>=2.0.0 # Apache-2.0
-ansible>=2.9.0,<3.0 # GPLv3
+ansible>=2.10.0,<5.0 # GPLv3
diff --git a/tests/run.yml b/tests/run.yml
index 7f3c95329..6b5b90b73 100644
--- a/tests/run.yml
+++ b/tests/run.yml
@@ -203,7 +203,7 @@
     - name: install kolla-ansible and dependencies
       vars:
         # Test latest ansible version on Ubuntu, minimum supported on others.
-        ansible_version_constraint: "{{ '==2.9.*' if is_upgrade else '==2.10.*' }}"
+        ansible_version_constraint: "{{ '==2.10.*' if is_upgrade else '==4.*' }}"
       command: >-
         python3 -m pip install --user
         -c {{ upper_constraints_file }}
diff --git a/tools/kolla-ansible b/tools/kolla-ansible
index a6d222b7a..1826b3d4e 100755
--- a/tools/kolla-ansible
+++ b/tools/kolla-ansible
@@ -55,8 +55,8 @@ function check_environment_coherence {
         exit 1
     fi
 
-    local ANSIBLE_VERSION_MIN=2.9
-    local ANSIBLE_VERSION_MAX=2.10
+    local ANSIBLE_VERSION_MIN=2.10
+    local ANSIBLE_VERSION_MAX=2.11
 
     if [[ $(printf "%s\n" "$ANSIBLE_VERSION_MIN" "$ANSIBLE_VERSION_MAX" "$ansible_version" | sort -V | head -n1) != "$ANSIBLE_VERSION_MIN" ]] ||
        [[ $(printf "%s\n" "$ANSIBLE_VERSION_MIN" "$ANSIBLE_VERSION_MAX" "$ansible_version" | sort -V | tail -n1) != "$ANSIBLE_VERSION_MAX" ]]; then