Put hpctests output directory in writable location

Author: Matt Pryor

group_vars/cluster.yml

@@ -1,7 +1,11 @@
 # Convert the variable supplied by the portal into the one expected by the Slurm appliance
 update_enable: "{{ cluster_upgrade_system_packages | default('false') | bool }}"
-# Don't store the update logs as they are created in the job container anyway
-update_log_path: "{{ playbook_dir }}/logs/{{ inventory_hostname }}-updates.log"
+# The update logs are written on the Ansible controller
+# In CaaS, the Ansible controller is an ephemeral AWX pod, so all that matters is that
+# this is a location that is writable by the container user
+update_log_path: "{{ playbook_dir }}/.tmp/logs/{{ inventory_hostname }}-updates.log"
+# Same for the hpctests output directory
+hpctests_outdir: "{{ playbook_dir }}/.tmp/hpctests"
 
 # Read the secrets from the Ansible local facts on the control host
 vault_azimuth_user_password: "{{ hostvars[groups['control'][0]].ansible_local.openhpc_secrets.vault_azimuth_user_password }}"