`- hosts: tag_consulid_agent
  become: yes
  gather_facts: yes
.
.
.
- name: put consul configuration in agent_mode
  template:
    src: "agent_mode.json"
    dest: "{{ consul_conf_dir }}/agent_mode.json"
  when: consul_agent`

"start_join": [{% for host in groups['consul_server'] -%}
"{{ hostvars[host].inventory_hostname }}"{% if not loop.last %},{%
endif %}{%- endfor %}]