provision.yaml

---

- name: Launch a compute instance and connect to it using SSH
  hosts: localhost
  collections:
    - oracle.oci
  vars:
    # common networking definitions
    quad_zero_route: "0.0.0.0/0"
    TCP_protocol: "6"
    SSH_port: "22"
    HTTP_port: "80"
    HTTPS_port: "443"

    vcn_name: "rovervcn"
    vcn_cidr_block: "10.0.0.0/16"
    vcn_dns_label: "alwaysfreevcn"

    ig_name: "roverig"

    route_table_name: "roverroute"
    # route all internet access to our Internet Gateway
    route_table_rules:
        - cidr_block: "{{ quad_zero_route }}"
          network_entity_id: "{{ ig_id }}"


    subnet_cidr: "10.0.0.48/28"
    subnet_name: "roversubnet"
    subnet_dns_label: "rovsubnet"

    securitylist_name: "roversecuritylist"

    # always free shape
    instance_shape: "VM.Standard.E2.1.Micro"
    instance_hostname: "caprover"
    instance_compartment: "{{ lookup('env', 'COMPARTMENT_OCID') }}"
    # provide an "OL" image
    # find OL image ocids per region here: https://docs.cloud.oracle.com/iaas/images/image/501c6e22-4dc6-4e99-b045-cae47aae343f/
    # make sure the image you choose is compatible with Free Tier shape - VM.Standard.E2.1.Micro
    instance_image: "{{ lookup('env', 'IMAGE_OCID') }}"

  tasks:
    # Cleanup if you are running this a second time.
    - name: remove instance.yaml
      file:
        path: ./instance.yaml
        state: absent

    - import_tasks: setup.yaml

    - name: Launch an instance
      oci_compute_instance:
        # Disable monitoring, we have limited ressources.
        agent_config:
          is_monitoring_disabled: yes
        availability_domain: "{{ instance_ad }}"
        compartment_id: "{{ instance_compartment }}"
        name: "caprover"
        source_details:
          source_type: image
          image_id: "{{ instance_image }}"
        shape: "{{ instance_shape }}"
        create_vnic_details:
            assign_public_ip: True
            hostname_label: "{{ instance_hostname }}"
            subnet_id: "{{ instance_subnet_id }}"
        metadata:
            ssh_authorized_keys: "{{ lookup('file', lookup('env', 'PUBLIC_KEY')) }}"
      register: result

    - name: Print instance details
      debug:
        msg: "Launched a new instance {{ result }}"
    - set_fact:
        instance_id: "{{result.instance.id }}"

    - name: Create a volume
      oci_blockstorage_volume:
        availability_domain: "{{ instance_ad }}"
        compartment_id: "{{ instance_compartment }}"
        name: rover_volume
        size_in_gbs: 50
      register: result

    - name: Print volume details
      debug:
        msg: "Created a new volume {{ result }}"
    - set_fact:
        volume_id: "{{result.volume.id }}"

    - name: Attach volume to new instance
      oci_compute_volume_attachment:
        instance_id: "{{ instance_id }}"
        type: paravirtualized
        volume_id: "{{ volume_id }}"
        compartment_id: "{{ instance_compartment }}"
      register: result

    - name: Print volume attachment details
      debug:
        msg: "Attached volume to instance {{ result }}"
    - set_fact:
        volume_attachment_id: "{{result.volume_attachment.id }}"

    - name: Get the VNIC attachment details of instance
      oci_compute_vnic_attachment_facts:
        compartment_id: "{{ instance_compartment }}"
        instance_id: "{{ instance_id }}"
      register: result

    - name: Get details of the VNIC
      oci_network_vnic_facts:
        id: "{{ result.vnic_attachments[0].vnic_id }}"
      register: result
    - set_fact:
        instance_public_ip: "{{result.vnic.public_ip}}"

    - name: Print the public ip of the newly launched instance
      debug:
        msg: "Public IP of launched instance {{ instance_public_ip }}"

    - name: Wait (upto 5 minutes) for port 22 to become open
      wait_for:
        port: 22
        host: '{{ instance_public_ip }}'
        state: started
        delay: 10
      vars:
        ansible_connection: local

    - name: write facts for teardown
      template: src=./templates/instance.j2 dest=./instance.yaml