coursier wants a .cache writeable directory.

defaults/main.yml

@@ -7,7 +7,5 @@ polynote_base_uri: '/'
 polynote_listen_ip: '127.0.0.1'
 polynote_listen_port: '8192'
 polynote_data_basedir: '/srv/polynote'
-polynote_storage_location: '{{ polynote_data_basedir }}/data'
-polynote_cache_dir: '{{ polynote_data_basedir }}/tmp'
 polynote_logrotate_maxfilesize: '1G'
 polynote_logrotate_retention: '7'

tasks/main.yml

@@ -29,6 +29,7 @@
     with_items:
       - '{{ polynote_storage_location }}'
       - '{{ polynote_cache_dir }}'
+      - '{{ polynote_coursier_cache_dir }}'
 
   - name: Download the polynote distribution
     unarchive: remote_src=yes src={{ polynote_distribution_url }} dest={{ polynote_install_base_dir }} owner=root group=root

vars/main.yml

@@ -6,6 +6,10 @@ polynote_service_user: polynote
 polynote_install_base_dir: /opt
 polynote_install_dir: '{{ polynote_install_base_dir }}/polynote'
 polynote_log_dir: '/var/log/polynote'
+polynote_storage_location: '{{ polynote_data_basedir }}/data'
+polynote_cache_dir: '{{ polynote_data_basedir }}/tmp'
+polynote_coursier_cache_dir: '{{ polynote_data_basedir }}/.cache'
+
 polynote_startup_env:
   - 'JAVA_HOME={{ jdk_java_home }}'
   - 'YARN_CONF_DIR=/opt/cloudera/parcels/CDH/lib/hadoop/etc/hadoop'