Added copying of sample-data to db vm

roles/postgresql/tasks/main.yml

@@ -44,12 +44,15 @@
     columns:
       - id bigserial primary key
       - content text
-# TODO: Figure out what would be the correct `copy_from`
+- name: Copy over dummy-data for `test`.`message` 
+  copy:
+    src: "{{ role_path }}/files/sample.csv"
+    dest: /tmp/sample.csv
 - name: Insert sample data into `test`.`message` 
   become_user: postgres
   become: yes
   community.postgresql.postgresql_copy:
-    copy_from: sample.csv
+    copy_from: /tmp/sample.csv
     db: test
     dst: message
     columns: content
@@ -66,3 +69,4 @@
     name: postgresql
     state: restarted
     enabled: yes
+  become: true