---
- name: Ensure open-iscsi is installed
  package:
    name: open-iscsi
    state: present

- name: Ensure parted is installed
  package:
    name: parted
    state: present

- name: Check existing iSCSI sessions
  command: iscsiadm -m session
  register: iscsi_sessions
  changed_when: false
  failed_when: iscsi_sessions.rc not in [0, 21]

- name: Discover iSCSI targets for each portal
  command: iscsiadm -m discovery -t sendtargets -p "{{ item.portal }}"
  register: iscsi_discovery
  loop: "{{ iscsi_targets }}"
  loop_control:
    label: "{{ item.iqn }}"
  changed_when: false

- name: Connect to iSCSI targets for this host
  command: iscsiadm -m node -T "{{ item.iqn }}" -p "{{ item.portal }}" --login
  loop: "{{ iscsi_targets }}"
  when: item.iqn not in iscsi_sessions.stdout
  loop_control:
    label: "{{ item.iqn }}"

- name: Set iSCSI targets for automatic login
  command: iscsiadm -m node -T "{{ item.iqn }}" -p "{{ item.portal }}" --op update --name node.startup --value automatic
  loop: "{{ iscsi_targets }}"
  loop_control:
    label: "{{ item.iqn }}"

# --------------------------
# Wait for the iSCSI device to appear
# --------------------------
- name: Wait for iSCSI device to appear
  wait_for:
    path: "/dev/disk/by-path/ip-{{ item.portal }}:3260-iscsi-{{ item.iqn }}-lun-0"
    state: present
    timeout: 30
  loop: "{{ iscsi_targets }}"
  loop_control:
    label: "{{ item.iqn }}"

# --------------------------
# Check if device is raw
# --------------------------
- name: Get block device info for each target
  command: "blkid /dev/disk/by-path/ip-{{ item.portal }}:3260-iscsi-{{ item.iqn }}-lun-0"
  register: blkid_output
  failed_when: false
  changed_when: false
  loop: "{{ iscsi_targets }}"
  loop_control:
    label: "{{ item.iqn }}"

# --------------------------
# Create partition if device is raw
# --------------------------
- name: Create partition if device is raw
  parted:
    device: "/dev/disk/by-path/ip-{{ item[1].portal }}:3260-iscsi-{{ item[1].iqn }}-lun-0"
    number: 1
    state: present
    part_type: primary
    fs_type: ext4
    part_start: 0%
    part_end: 100%
  loop: "{{ blkid_output.results | zip(iscsi_targets) | map('flatten') | list }}"
  loop_control:
    label: "{{ item[1].iqn }}"
  when: item[0].stdout == ""

- name: Create filesystem if partition is raw
  filesystem:
    fstype: ext4
    dev: "/dev/disk/by-path/ip-{{ item[1].portal }}:3260-iscsi-{{ item[1].iqn }}-lun-0-part1"
  loop: "{{ blkid_output.results | zip(iscsi_targets) | map('flatten') | list }}"
  loop_control:
    label: "{{ item[1].iqn }}"
  when: item[0].stdout == ""

- name: Create mount points
  file:
    path: "{{ item.mount_point }}"
    state: directory
    mode: "0777"
    owner: root
    group: root
  loop: "{{ iscsi_targets }}"
  loop_control:
    label: "{{ item.iqn }}"

- name: Mount iSCSI targets
  mount:
    path: "{{ item.mount_point }}"
    src: "/dev/disk/by-path/ip-{{ item.portal }}:3260-iscsi-{{ item.iqn }}-lun-0-part1"
    fstype: ext4
    opts: defaults,_netdev
    state: mounted
  loop: "{{ iscsi_targets }}"
  loop_control:
    label: "{{ item.iqn }}"

- name: Ensure mounted directories are world-writable
  file:
    path: "{{ item.mount_point }}"
    state: directory
    mode: "0777"
    owner: root
    group: root
  loop: "{{ iscsi_targets }}"
  loop_control:
    label: "{{ item.iqn }}"