Add setup.py for install with pip

Make possible installation with pip.
Change-Id: I8eec015142c4f29eadff0dac2781782b76dea308

ci/run-ansible-tests-collection.sh

@@ -97,14 +97,19 @@ then
 fi
 
 # install collections
-tox -ebuild
-ansible-galaxy collection build --force . --output-path ./build_artifact
-ansible-galaxy collection install $(ls build_artifact/openstack-cloud-*) --force
+if [[ -z "$PIP_INSTALL" ]]; then
+    tox -ebuild
+    ansible-galaxy collection install $(ls build_artifact/openstack-cloud-*) --force
+    TEST_COLLECTIONS_PATHS=${HOME}/.ansible/collections:$ANSIBLE_COLLECTIONS_PATHS
+else
+    pip freeze | grep ansible-collections-openstack
+    TEST_COLLECTIONS_PATHS=$VIRTUAL_ENV/share/ansible/collections:$ANSIBLE_COLLECTIONS_PATHS
+fi
 # Discover openstackSDK version
 SDK_VER=$(python -c "import openstack; print(openstack.version.__version__)")
 pushd ci/
 # run tests
-ANSIBLE_COLLECTIONS_PATHS=${HOME}/.ansible/collections ansible-playbook \
+ANSIBLE_COLLECTIONS_PATHS=$TEST_COLLECTIONS_PATHS ansible-playbook \
     -vvv ./run-collection.yml \
     -e "sdk_version=${SDK_VER} cloud=${CLOUD} image=${IMAGE} ${ANSIBLE_VARS}" \
     ${tag_opt}