#!/usr/bin/python3

# This file is part of Cockpit.
#
# Copyright (C) 2015 Red Hat, Inc.
#
# Cockpit is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.
#
# Cockpit is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with Cockpit; If not, see <http://www.gnu.org/licenses/>.

import parent
from storagelib import *
from testlib import *


class TestStorageHidden(StorageCase):

    def testHiddenLuks(self):
        m = self.machine
        b = self.browser

        mount_point_1 = "/run/mount1"

        self.login_and_go("/storage")

        m.add_disk("50M", serial="DISK1")
        m.add_disk("50M", serial="DISK2")
        b.wait_in_text("#drives", "DISK1")
        b.wait_in_text("#drives", "DISK2")

        # Create a volume group with a logical volume with a encrypted
        # filesystem.

        self.devices_dropdown('Create volume group')
        self.dialog_wait_open()
        self.dialog_set_val('name', "TEST")
        self.dialog_set_val('disks', {"DISK1": True})
        self.dialog_apply()
        self.dialog_wait_close()
        b.wait_in_text('#devices', "TEST")

        b.click('#devices tr:contains("TEST")')
        b.wait_visible('#storage-detail')
        b.click("button:contains(Create new logical volume)")
        self.dialog({'purpose': "block",
                     'name': "lvol",
                     'size': 48})
        self.content_row_wait_in_col(1, 2, "/dev/TEST/lvol")

        self.content_head_action(1, "Format")
        self.dialog({"type": "ext4",
                     "crypto.on": True,
                     "name": "FS",
                     "passphrase": "einszweidrei",
                     "passphrase2": "einszweidrei",
                     "mount_point": mount_point_1,
                     "mount_options.auto": False,
                     "crypto_options.extra": "my-crypto-tag"})
        self.content_row_wait_in_col(2, 1, "ext4 file system")
        self.wait_in_storaged_configuration(mount_point_1)
        self.wait_in_storaged_configuration("my-crypto-tag")

        # Now doubly hide the clear text block device by locking the
        # crypto backing device and deactivating /dev/TEST/lvol
        self.content_dropdown_action(1, "Lock")
        b.wait_not_in_text("#detail-content", "Filesystem")
        self.content_dropdown_action(1, "Deactivate")
        self.content_row_wait_in_col(1, 1, "48 MiB Inactive volume")

        # HACK - https://github.com/storaged-project/storaged/issues/17
        #
        # Calling wait_in_storaged_configuration above should be
        # enough to ensure that storaged has picked up the changed
        # fstab and that all ChildConfiguration properties are
        # up-to-date.  However, this doesn't happen for LogicalVolume
        # interfaces.  They only pick up the changes somewhere along
        # the Lock/Deactivate activities, so we explicitly wait for
        # that to have happened.
        #
        wait(lambda: "my-crypto-tag" in m.execute("%s dump | grep ChildConfiguration" % self.storagectl_cmd))

        # Deleting the volume group should still remove the fstab entry
        b.click('.pf-c-card__header:contains("Volume group") button:contains("Delete")')
        self.confirm()
        b.wait_visible("#storage")
        self.assertEqual(m.execute("grep %s /etc/fstab || true" % mount_point_1), "")
        self.assertEqual(m.execute("grep %s /etc/crypttab || true" % "my-crypto-tag"), "")

    def testHiddenRaid(self):
        m = self.machine
        b = self.browser

        mount_point_2 = "/run/mount2"

        self.login_and_go("/storage")

        m.add_disk("50M", serial="DISK1")
        m.add_disk("50M", serial="DISK2")
        b.wait_in_text("#drives", "DISK1")
        b.wait_in_text("#drives", "DISK2")

        # Now do the same with a MDRAID

        self.dialog_with_retry(trigger=lambda: self.devices_dropdown('Create RAID device'),
                               expect=lambda: (self.dialog_is_present('disks', "DISK1") and
                                               self.dialog_is_present('disks', "DISK2")),
                               values={"name": "ARR",
                                       "disks": {"DISK1": True,
                                                 "DISK2": True}})
        b.wait_in_text('#devices', "ARR")

        b.click('#devices tr:contains("ARR")')
        b.wait_visible('#storage-detail')
        self.content_head_action(1, "Format")
        self.dialog({"type": "ext4",
                     "name": "FS2",
                     "mount_point": mount_point_2})
        self.content_row_wait_in_col(1, 1, "ext4 file system")
        self.wait_in_storaged_configuration(mount_point_2)

        # we need to wait for mdadm --monitor to stop using the device before delete
        m.execute("while fuser -s /dev/md127; do sleep 0.2; done", timeout=20)

        self.browser.click('.pf-c-card__header:contains("RAID device") button:contains("Delete")')
        self.confirm()
        b.wait_visible("#storage")
        self.assertEqual(m.execute("grep %s /etc/fstab || true" % mount_point_2), "")


if __name__ == '__main__':
    test_main()
