identify_scsi_devices.yml

---
- name: Identify filesystems and their corresponding SCSI devices in RedHat Guest OS
  hosts: all
  become: yes
  gather_facts: yes

  tasks:
    - name: Gather filesystem mount information
      ansible.builtin.command:
        cmd: df -hT
      register: df_output

    - name: Display filesystem mount information
      ansible.builtin.debug:
        var: df_output.stdout_lines

    - name: Gather detailed block device information
      ansible.builtin.command:
        cmd: lsblk -o NAME,HCTL,TYPE,SIZE,MODEL,MOUNTPOINT
      register: lsblk_output

    - name: Display detailed block device information
      ansible.builtin.debug:
        var: lsblk_output.stdout_lines

    - name: Gather volume group information
      ansible.builtin.command:
        cmd: vgs --noheadings -o vg_name,pv_name
      register: vgs_output

    - name: Display volume group information
      ansible.builtin.debug:
        var: vgs_output.stdout_lines

    - name: Gather detailed SCSI device information
      ansible.builtin.shell: |
        for device in $(ls /dev/disk/by-path/); do
          echo "Device: $device"
          udevadm info --query=all --name=/dev/disk/by-path/$device
          echo ""
        done
      register: udevadm_output

    - name: Display detailed SCSI device information
      ansible.builtin.debug:
        var: udevadm_output.stdout_lines

    - name: Correlate filesystem, VG, and SCSI device information
      ansible.builtin.shell: |
        echo "Filesystem and SCSI Device Correlation:"
        for mp in $(df --output=target | tail -n +2); do
          dev=$(df --output=source $mp | tail -n 1)
          vg=$(lvdisplay $dev 2>/dev/null | grep "VG Name" | awk '{print $3}')
          scsi=$(lsblk -no NAME,HCTL,TYPE,SIZE,MODEL,MOUNTPOINT | grep $mp)
          echo "Mount Point: $mp"
          echo "Device: $dev"
          echo "Volume Group: $vg"
          echo "SCSI Info: $scsi"
          echo ""
        done
      register: correlation_output

    - name: Display correlated information
      ansible.builtin.debug:
        var: correlation_output.stdout_lines