- name: Bootstrap Oracle Linux 8 VMs
  hosts: dbservers
  become: yes
  vars:
    cdm_ip: 192.168.10.22
    packages:
      - oracle-database-preinstall-19c
      - https://{{ cdm_ip }}/connector/rubrik-agent.x86_64.rpm

  pre_tasks:
    - name: Check if reboot marker file exists
      stat:
        path: /var/tmp/reboot_marker
      register: reboot_marker

    - name: Perform initial reboot
      reboot:
        msg: "Rebooting the system before starting the installation process to obtain DHCP hostname"
        reboot_timeout: 300
      when: not reboot_marker.stat.exists

    - name: Create reboot marker file
      file:
        path: /var/tmp/reboot_marker
        state: touch
      when: not reboot_marker.stat.exists

    - name: Update all packages
      dnf:
        name: "*"
        state: latest

    - name: Install Rubrik Agent and Oracle Prereqs
      dnf:
        name: "{{ packages }}"
        validate_certs: false
        disable_gpg_check: true
        state: present

    - name: Get block devices
      ansible.builtin.setup:
        gather_subset:
          - hardware

    - name: Find the disk by size
      set_fact:
        target_disk: "{{ item.key }}"
      with_dict: "{{ ansible_devices }}"
      when:
        - item.key is match('^sd.*$')  # only sda, sdb, etc.
        - item.value.size == '100.00 GB'

    - name: Create LVM partition on /dev/{{ target_disk }}
      parted:
        device: /dev/{{ target_disk }}
        number: 1
        state: present
        part_type: primary
        flags: [lvm]
        resize: yes

    - name: Create VG on /dev/{{ target_disk }}1
      lvg:
        vg: vg_oracle
        pvs: /dev/{{ target_disk }}1

    - name: Create LV for Oracle binaries
      lvol:
        vg: vg_oracle
        lv: lv_bin
        size: 15g
        state: present

    - name: Create LV for Oracle data
      lvol:
        vg: vg_oracle
        lv: lv_data
        size: 20g
        state: present

    - name: Create LV for Oracle FRA
      lvol:
        vg: vg_oracle
        lv: lv_fra
        size: 15g
        state: present

    - name: Create filesystem on {{ root_directory }}
      filesystem:
        fstype: ext4
        dev: /dev/vg_oracle/lv_bin

    - name: Create filesystem on Oracle data directory
      filesystem:
        fstype: ext4
        dev: /dev/vg_oracle/lv_data

    - name: Create filesystem on Oracle FRA 
      filesystem:
        fstype: ext4
        dev: /dev/vg_oracle/lv_fra

    - name: Ensure {{ root_directory }} exists and mount
      mount:
        path: "{{ root_directory }}"
        src: /dev/vg_oracle/lv_bin
        fstype: ext4
        opts: defaults
        state: mounted

    - name: Ensure {{ oracle_datadir }} exists and mount
      mount:
        path: "{{ oracle_datadir }}"
        src: /dev/vg_oracle/lv_data
        fstype: ext4
        opts: defaults
        state: mounted

    - name: Ensure {{ oracle_fra }} exists and mount
      mount:
        path: "{{ oracle_fra }}"
        src: /dev/vg_oracle/lv_fra
        fstype: ext4
        opts: defaults
        state: mounted

    - name: Ensure /data mount point exists
      file:
        path: /data
        state: directory
        owner: root
        group: root
        mode: '0755'

    - name: Add /data to fstab and Mount
      mount:
        path: /data
        src: buddy:/volume1/data
        fstype: nfs
        opts: defaults
        state: mounted

    - name: Stop firewalld service
      tags: firewall
      systemd:
        name: firewalld
        state: stopped
        enabled: no

  roles:
    - dbsoftware19c_install