Support for executing job and adhoc commands on isolated Tower nodes (#6524)

awx/playbooks/clean_isolated.yml

@@ -0,0 +1,18 @@
+---
+
+# The following variables will be set by the runner of this playbook:
+# private_dirs: ['/tmp/path/private_data_dir/', '/tmp//path/proot_temp_dir/']
+# job_id: <pk>
+
+- hosts: all
+  gather_facts: false
+
+  tasks:
+
+    - name: cancel the job
+      command: "systemctl stop playbook@{{job_id}}.service"
+      ignore_errors: yes
+
+    - name: remove build artifacts
+      file: path="{{item}}" state=absent
+      with_items: "{{private_dirs}}"