diff --git a/roles/setup-tempest-run-dir/README.rst b/roles/setup-tempest-run-dir/README.rst
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+Setup Tempest run folder.
+
+To support isolation between multiple runs, separate run folders are required.
+Set `tempest` as owner of Tempest's current run folder.
+There is an implicit assumption here of a one to one relationship between
+devstack versions and Tempest runs.
+
+
+**Role Variables**
+
+.. zuul:rolevar:: devstack_base_dir
+   :default: /opt/stack
+
+   The devstack base directory.
diff --git a/roles/setup-tempest-run-dir/defaults/main.yaml b/roles/setup-tempest-run-dir/defaults/main.yaml
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+devstack_base_dir: /opt/stack
diff --git a/roles/setup-tempest-run-dir/tasks/main.yaml b/roles/setup-tempest-run-dir/tasks/main.yaml
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+++ b/roles/setup-tempest-run-dir/tasks/main.yaml
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+- name: Set tempest as owner of Tempest run folder
+  file:
+    path: "{{devstack_base_dir}}/tempest"
+    owner: tempest
+    group: stack
+    recurse: yes
+  become: yes