Bump minimum version of Ansible to 2.2.0.0

The upstream Ansible community and maintainers support the latest
two major stable releases. 2.1 is no longer supported, only 2.2
and 2.3 are.

Change-Id: I164fcc9fefad55c8eaf311f67673711dfa1da549

ara/tests/integration/failed.yml

@@ -18,3 +18,5 @@
   tasks:
     - fail:
         msg: "This is a failed playbook"
+      tags:
+        - skip_ansible_lint

requirements.txt

@@ -1,7 +1,7 @@
 pbr!=2.1.0,>=2.0.0 # Apache-2.0
 
 jinja2>=2.9
-ansible>=2.1.0.0
+ansible>=2.2.0.0
 Flask<0.13
 Flask-SQLAlchemy
 Flask-Migrate

run_tests.sh

@@ -123,13 +123,10 @@ export ANSIBLE_LIBRARY="ara/plugins/modules"
 export ARA_DATABASE="${DATABASE}"
 
 # Lint
-# failed.yml does not work with lint due to unicode error
-# https://github.com/willthames/ansible-lint/issues/242
-# include_role is excluded because it is only applied on >2.2 later
-for file in $(find ara/tests/integration ! -path '*failed.yml' ! -path '*include_role.yml' -regex '.*.y[a]?ml'); do
+for file in $(find ara/tests/integration -regex '.*.y[a]?ml'); do
     ansible-lint ${file}
 done
-for file in $(find ara/tests/integration -maxdepth 1 ! -path '*include_role.yml' -regex '.*.y[a]?ml'); do
+for file in $(find ara/tests/integration -maxdepth 1 -regex '.*.y[a]?ml'); do
     ansible-playbook --syntax-check ${file}
 done
 
@@ -144,13 +141,9 @@ ansible-playbook -vv ara/tests/integration/failed.yml || true
 ansible-playbook -vv ara/tests/integration/incomplete.yml &
 sleep 5
 kill $!
-# This playbook leverages include_role that landed in 2.2.0.0
-ansible_version=$(pip freeze |grep ansible== |cut -f3 -d =)
-if [[ $(semver_compare "${ansible_version}" ">=" "2.2.0.0") == "True" ]]; then
-    ansible-playbook --syntax-check ara/tests/integration/include_role.yml
-    ansible-lint ara/tests/integration/include_role.yml
-    ansible-playbook -vv ara/tests/integration/include_role.yml
-fi
+
+# Test include role which is a bit special
+ansible-playbook -vv ara/tests/integration/include_role.yml
 
 # Run test commands
 pbid=$(ara playbook list -c ID -f value |head -n1)