Added cleanup-venvs.yml to help remove older venvs

Change-Id: I259c13ffc07ea5c20178875d75b2fb3d42285d66

ansible_tools/playbooks/cleanup-venvs.yml

@@ -0,0 +1,29 @@
+---
+# Copyright 2017, Osones.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+---
+- name: Remove older venvs
+  hosts: all
+  tasks:
+  - name: List older venvs directories
+    shell: "ls -1 /openstack/venvs | grep -v '{{ venv_tag }}$'"
+    register: files
+    when: venv_tag is defined
+    failed_when: files.rc == 2
+  - name: Delete directories
+    file:
+      path: "/openstack/venvs/{{ item }}"
+      state: absent
+    with_items: "{{ files.stdout_lines }}"