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#!/usr/bin/python3
#
# Copyright (C) 2024 Red Hat, Inc.
# SPDX-License-Identifier: LGPL-2.1-or-later

from anacondalib import INSTALLER_VM_MEMORY_MB, VirtInstallMachineCase, disk_images
from installer import Installer
from storage import EFI_PARTITION_DEFAULT_SIZE, Storage
from testlib import test_main, timeout  # pylint: disable=import-error


class TestStorageMountPointsRAID_E2E(VirtInstallMachineCase):
    provision = {"machine1": {"memory_mb": INSTALLER_VM_MEMORY_MB}}

    def _testLVMOnRAID_partition_disk(self):
        b = self.browser
        m = self.machine
        s = Storage(b, m)

        disk1 = "/dev/vda"
        disk2 = "/dev/vdb"
        raid_name = "raid1"

        s.partition_disk(disk1, [(EFI_PARTITION_DEFAULT_SIZE, "efi"), ("1GiB", "xfs"), ("", None)])
        s.partition_disk(disk2, [(EFI_PARTITION_DEFAULT_SIZE, "efi"), ("1GiB", "xfs"), ("", None)])

        # RAID1 on partition level for /boot and /
        s.create_raid_device(f"{raid_name}-boot", "raid1", [f"{disk1}2", f"{disk2}2"])
        s.create_raid_device(f"{raid_name}-root", "raid1", [f"{disk1}3", f"{disk2}3"])

        m.execute(f"""
        set -ex

        # Plain ext4 for /boot
        mkfs.xfs /dev/md/{raid_name}-boot

        # LVM for /
        pvcreate /dev/md/{raid_name}-root
        vgcreate vol-group /dev/md/{raid_name}-root
        lvcreate -n root -L 10G vol-group
        mkfs.ext4 -F /dev/vol-group/root

        """, timeout=90)

    @disk_images([("", 15), ("", 15)])
    @timeout(1200)
    def testLVMOnRAID(self):
        """
        Description:
            Test RAID1 on partition level with LVM. Both disks (vda, vdb) have:
            - Partition 1: EFI system partition (500 MiB)
            - Partition 2: RAID1 for /boot (xfs)
            - Partition 3: RAID1 for LVM (ext4 for /)

        Expected results:
            - The user can assign /boot/efi, /boot, and / on UEFI
            - The mount points are correctly assigned to the devices in the installed system
        """
        b = self.browser
        m = self.machine
        i = Installer(b, m)
        s = Storage(b, m)

        disk1 = "/dev/vda"
        disk2 = "/dev/vdb"
        dev1 = disk1.split("/")[-1]
        dev2 = disk2.split("/")[-1]
        raid_name = "raid1"

        i.open()
        i.reach(i.steps.INSTALLATION_METHOD)

        s.select_mountpoint([(dev1, True), (dev2, True)])
        s.select_mountpoint_row_device(1, "vol-group-root")
        s.select_mountpoint_row_device(2, f"{dev1}1")
        s.select_mountpoint_row_device(3, f"{raid_name}-boot")

        i.next(should_fail=True)
        i.reach(i.steps.REVIEW)
        self.install(button_text="Apply mount point assignment and install", needs_confirmation=True)

        lsblk = s.get_lsblk_json()
        block_devs = lsblk["blockdevices"]

        for disk in ["vda", "vdb"]:
            disk_data = next(dev for dev in block_devs if dev["name"] == disk)

            disk_part_2 = next(part for part in disk_data["children"] if part["name"] == f"{disk}2")
            md_part_2 = next(part for part in disk_part_2["children"] if part["type"] == "raid1")
            self.assertEqual(md_part_2["mountpoints"], ["/boot"])

            disk_part_3 = next(part for part in disk_data["children"] if part["name"] == f"{disk}3")
            md_part_3 = next(part for part in disk_part_3["children"] if part["type"] == "raid1")
            vol_group = next(part for part in md_part_3["children"] if part["type"] == "lvm")
            self.assertEqual(vol_group["mountpoints"], ["/"])


if __name__ == '__main__':
    test_main()