ansible-roles/tomcat-instance/tasks/check.yml

---
- name: Check tomcat_instance_name
  debug: 
    msg: "{{ tomcat_instance_name }}"

- name: Check use of gid 
  shell: id -ng "{{ tomcat_instance_port }}"
  register: check_port_gid
  changed_when: false
  
  failed_when: 
    - check_port_gid|success
    - check_port_gid.stdout != "{{ tomcat_instance_name }}"

- name: Check use of uid 
  shell: id -nu "{{ tomcat_instance_port }}"
  register: check_port_uid
  
  changed_when: false
  failed_when: 
    - check_port_uid|success
    - check_port_uid.stdout != "{{ tomcat_instance_name }}"

#- name: Check use of http port 
#  shell: grep '<Connector port="{{ tomcat_instance_port }}" protocol="HTTP/1.1"' $(ls {{ tomcat_instance_root }}/*/conf/server.xml|grep -v {{ tomcat_instance_name }})

- name: Set shutdown port (default=http port + 1)
  set_fact:
    tomcat_instance_shutdown: "{{ tomcat_instance_port | int + 1 }}"
  when: tomcat_instance_shutdown is undefined

- name: Set tomcat mps (default=ram/2)
  set_fact:
    tomcat_instance_mps: "{{ tomcat_instance_ram | int / 2 }}"
  when: tomcat_instance_mps is undefined

- name: Fix mps type
  set_fact:
    tomcat_instance_mps: "{{ tomcat_instance_mps | int }}"