consul/tasks/pre_check.yaml

- block:
  - name: Set var for cluster nodes list
    set_fact:
      cluster_node_list: []

  - name: Get cluster nodes
    command: curl http://127.0.0.1:8500/v1/status/peers
    environment:
      no_proxy: 127.0.0.1
    register: cluster_nodes
    changed_when: false
    no_log: true

  - name: Print cluster nodes
    debug:
      msg: "{{ cluster_nodes.stdout }}"
      verbosity: 2

  - name: Print cluster nodes
    debug:
      msg: "{{ item }}"
      verbosity: 2
    loop: "{{ cluster_nodes.stdout | from_json }}"

  - name: Merge cluster nodes list
    set_fact:
      cluster_node_list: "{{ cluster_node_list + [item|split(':')|first] }}"
    loop: "{{ cluster_nodes.stdout | from_json }}"

  - name: Print cluster nodes list
    debug:
      msg: "{{ cluster_node_list }}"
      verbosity: 2

  run_once: true
  ignore_errors: yes