Upload ssh key to gitlab for deploy user with ansible

defaults.yml

deploy_user_name: 'deployer'
# More info about password: http://docs.ansible.com/faq.html#how-do-i-generate-crypted-passwords-for-the-user-module
# password created with: python -c "from passlib.hash import sha512_crypt; print sha512_crypt.encrypt('example_password')"
deploy_user_password: <encrypted_password>
user_shell: "/bin/bash"
deploy_user_home: "/home/{{ deploy_user_name }}"
repo_api_token: <your_api_token>
repo_project_id: <your_project_id>

main.yml

- name: Add deployment user
  user: name={{ deploy_user_name }} password={{ deploy_user_password }} shell="/bin/bash" generate_ssh_key=yes state=present

- name: Add authorized deploy user key
  authorized_key: user={{ deploy_user_name }} key="{{ lookup('file', '~/.ssh/id_rsa.pub') }}"

- name: Cat deployer's user public key
  shell: "cat {{ deploy_user_home }}/.ssh/id_rsa.pub"
  register: key_value

- name: Create ssh_key json
  template: src=ssh_key.json.j2 dest={{ deploy_user_home }}/ssh_key.json group={{ deploy_user_name }} owner={{ deploy_user_name }} force=yes

- name: Cat deployer's user public key
  shell: "cat {{ deploy_user_home }}/ssh_key.json"

- name: Upload deploy keys to gitlab
  shell: "curl -X POST -H 'Accept: application/json' -H 'Content-type: application/json' -H 'PRIVATE-TOKEN: {{ repo_api_token }}' --data-binary @{{ deploy_user_home }}/ssh_key.json https://gitlab.com/api/v3/projects/{{ repo_project_id }}/keys"

- name: Install known_hosts file
  copy: src=known_hosts dest={{ deploy_user_home }}/.ssh/known_hosts owner={{ deploy_user_name }} group={{ deploy_user_name }}

ssh_key.json.j2

{"id": "{{ repo_project_id }}","title" : "{{ app_name }}_deploy_key","key": "{{ key_value.stdout }}"}

thanks for sharing :)