Ansible Dynamic Inventory

nodelist.sh

#!/bin/env sh
gcloud compute instances list  --regexp .*foobarbar.* --format json \
    | jq '{"web":{"vars": {"ansible_ssh_user":"i_am_the_king_of_the_world", "ansible_ssh_private_key_file":"/opt/ansible_pass.pem"}, "hosts": [.[].networkInterfaces[].accessConfigs[].natIP]}}'
exit 0

result.json

{
  "web": {
    "vars": {
      "ansible_ssh_user": "i_am_the_king_of_the_world",
      "ansible_ssh_private_key_file": "/opt/ansible_pass.pem"
    },
    "hosts": [
      "130.231.253.55",
      "104.100.153.66"
    ]
  }
}

server_refersh.yml

---
- hosts: web
  sudo: yes
  serial: 1

  post_tasks:
    - wait_for: port=3033

  tasks:
    - command: "update-you-software"
    - command: forever restartall

# Run
# ansible-playbook -i nodelist.sh server_refresh.yml