Choose the user type and shell.

defaults/main.yml

@@ -1,5 +1,7 @@
 ---
 springboot_config: True
+springboot_system_user: true
+springboot_user_shell: /usr/sbin/nologin
 springboot_install_artifact: True
 springboot_apps: []
 #  - { name: 'foo', log_dir: '/var/log/foo', install_dir: '/usr/lib/foo', state: 'present', app_conf_file: '', remote_conf_url: '', logback_url: '', logback_file: '', user: 'foo', java_opts: '', maven_repo_url: '', maven_id: '', maven_group_id: '', maven_extension: '', maven_version: '' }

tasks/main.yml

@@ -2,7 +2,7 @@
 - name: User under with the service will run
   block:
   - name: Create the user that will run the springboot app {{ item.name }}
-    user: name={{ item.user }} home={{ item.install_dir }} createhome=no shell=/usr/sbin/nologin system=yes
+    user: name={{ item.user }} home={{ item.install_dir }} createhome=no shell={{ item.user_shell | default(springboot_user_shell) }} system={{ item.system_user | default(springboot_system_user) }}
     with_items: '{{ springboot_apps }}'
     when: item.user is defined