isolated connection timeout and log file for playbook out

awx/playbooks/run_isolated.yml

@@ -5,11 +5,13 @@
 # dest: /tmp/some/path/
 # proot_temp_dir: /tmp/some/path
 
-- hosts: all
+- name: Prepare data, dispatch job in isolated environment.
+  hosts: all
   gather_facts: false
   vars_prompt:
     - prompt: "Secret"
       name: "secret"
+      private: yes
 
   tasks: