gce-create-instances.yml

---
- name: Create Instance
  hosts: localhost
  connection: local
  gather_facts: no

  vars:
    credentials_file: "{{ sa_json_file }}"
    service_account: "{{ lookup('file', credentials_file) }}"
    ssh_private_key: "{{ service_account['private_key'] }}"
    project_id: "{{ service_account['project_id'] }}"
    service_account_email: "{{ service_account['client_email'] }}"

  vars_files:
  - gce-properties.yml

  tasks:
  - name: Launch instances using image
    tags: ['launch']
    gce:
      name: "{{ host_prefix }}"
      num_instances: "{{ num_instances | default(1) }}"
      machine_type: "{{ machine_type }}"
      image: "{{ image }}"
      disk_size: "{{ disk_size }}"
      zone: "{{ zone }}"
      project_id: "{{ project_id }}"
      service_account_email: "{{ service_account_email }}"
      credentials_file: '{{ credentials_file }}'
      state: present
      tags: "{{ default_firewall_tags }}"
      metadata: "{ 'startup-script': 'rm -f /etc/sudoers.d/remove-requiretty && echo \"Defaults !requiretty\" >> /etc/sudoers.d/remove-requiretty' }"
    register: gce
    when: image_family is not defined

  - name: Launch instances using image_family
    tags: ['launch']
    gce:
      name: "{{ host_prefix }}"
      num_instances: "{{ num_instances | default(1) }}"
      machine_type: "{{ machine_type }}"
      image_family: "{{ image_family }}"
      external_projects: "{{ external_projects }}"
      disk_size: "{{ disk_size }}"
      zone: "{{ zone }}"
      project_id: "{{ project_id }}"
      service_account_email: "{{ service_account_email }}"
      credentials_file: '{{ credentials_file }}'
      state: present
      tags: "{{ default_firewall_tags }}"
      metadata: "{ 'startup-script': 'rm -f /etc/sudoers.d/remove-requiretty && echo \"Defaults !requiretty\" >> /etc/sudoers.d/remove-requiretty' }"
    register: gce
    when: image_family is defined and external_projects is defined

#  - name: Create firewall rule
#    tags: ['firewall']
#    gce_net:
#      state: present
#      fwname: opdk-ssh
#      src_range: ['0.0.0.0/0']
#      target_tags: ["{{ firewall_tag }}"]
#      allowed: tcp:22
#      mode: auto
#      project_id: "{{ project_id }}"
#      service_account_email: "{{ service_account_email }}"
#      credentials_file: '{{ credentials_file }}'

#  - name: Bind firewall rule to instances
#    tags: ['bind']
#    gce_tag:
#      instance_pattern: "{{ host_prefix }}*"
#      tags: "{{ firewall_tag }}"
#      zone: "{{ zone }}"
#      state: present
#      project_id: "{{ project_id }}"
#      service_account_email: "{{ service_account_email }}"
#      credentials_file: '{{ credentials_file }}'

#  - name: Save private key to file
#    copy:
#      dest: ~/.ssh/id_rsa
#      content: "{{ sa_file['private_key'] }}"
#      remote_src: no
#      mode: 0400

#  - name: Create public key from private key
#    shell: ssh-keygen -y -f ~/.ssh/id_rsa
#    register: ssh_public_key
#
#  - name: Save public key
#    copy:
#      content: "{{ ssy_public_key }}"
#      dest: ~/.ssh/id_rsa.pub
#      remote_src: no
#
#  - name: Update instances with public key

#  - name: Label Instances if less than 10 instances
#    tags: ['label']
#    gce_labels:
#      service_account_email: "{{ service_account_email }}"
#      project_id: "{{ project_id }}"
#      credentials_file: '{{ credentials_file }}'
#      state: present
#      resource_name: "{{ host_prefix }}-00{{ item }}"
#      resource_type: instances
#      resource_location: "{{ zone }}"
#      labels: "{{ labels }}"
#    with_sequence: "start=0 end={{ num_instances | int - 1 | default(0) }}"
#    when: num_instances is not defined or num_instances | int - 1 < 10

#  - block:
#    - name: Label Instances if less than 10 instances
#      tags: ['label']
#      gce_labels:
#        service_account_email: "{{ service_account_email }}"
#        project_id: "{{ project_id }}"
#        credentials_file: '{{ credentials_file }}'
#        state: present
#        resource_name: "{{ host_prefix }}-00{{ item }}"
#        resource_type: instances
#        resource_location: "{{ zone }}"
#        labels: "{{ labels }}"
#      with_sequence: "start=0 end={{ num_instances | int - 1 | default(0) }}"
#      when: num_instances | int - 1 | int < 10
#
#    - name: Label Instances if between than 10 and 100 instances
#      tags: ['label']
#      gce_labels:
#        service_account_email: "{{ service_account_email }}"
#        project_id: "{{ project_id }}"
#        credentials_file: '{{ credentials_file }}'
#        state: present
#        resource_name: "{{ host_prefix }}-0{{ item }}"
#        resource_type: instances
#        resource_location: "{{ zone }}"
#        labels: "{{ labels }}"
#      with_sequence: "start=0 end={{ num_instances | int - 1 | default(0) }}"
#      when: num_instances | int - 1 < 100 and num_instances | int - 1 > 9
#
#    - name: Label Instances if greater 100 instances
#      tags: ['label']
#      gce_labels:
#        service_account_email: "{{ service_account_email }}"
#        project_id: "{{ project_id }}"
#        credentials_file: '{{ credentials_file }}'
#        state: present
#        resource_name: "{{ host_prefix }}-{{ item }}"
#        resource_type: instances
#        resource_location: "{{ zone }}"
#        labels: "{{ labels }}"
#      with_sequence: "start=0 end={{ num_instances | int - 1 | default(0) }}"
#      when: num_instances | int - 1 > 99
#    when: num_instances is defined