#!/usr/bin/python3 -cimport os, sys; os.execv(os.path.dirname(sys.argv[1]) + "/../common/pywrap", sys.argv)## Copyright (C) 2015 Red Hat, Inc.# SPDX-License-Identifier: LGPL-2.1-or-laterimport osimport storagelibimport testlibclass TestStorageResize(storagelib.StorageCase):# on RHEL 8, provide enough RAM for cryptsetup's PBKDF (https://issues.redhat.com/browse/RHEL-8258)# On any newer OS, cryptsetup gets along with less RAMprovision = {"0": {"memory_mb": 1400 if os.environ.get("TEST_OS", "").startswith("rhel-8-") else None}}def checkResize(self, fsys, crypto, can_shrink, can_grow, shrink_needs_unmount=None, grow_needs_unmount=None):m = self.machineb = self.browserneed_passphrase = crypto and self.default_crypto_type == "luks2"filesystem_desc = f"{fsys} filesystem"filesystem_desc_enc = filesystem_descif crypto:filesystem_desc_enc = filesystem_desc + " (encrypted)"self.login_and_go("/storage")disk = m.add_disk("500M", serial="DISK1")b.wait_visible(self.card_row("Storage", name=f"/dev/{disk['dev']}"))m.execute("vgcreate TEST /dev/disk/by-id/scsi-0QEMU_QEMU_HARDDISK_DISK1; udevadm trigger")b.wait_visible(self.card_row("Storage", name="TEST"))m.execute("lvcreate TEST -n vol -L 320m") # minimum xfs size is ~300MBb.wait_visible(self.card_row("Storage", name="vol"))self.click_card_row("Storage", name="TEST")b.wait_visible(self.card("LVM2 volume group"))b.wait_text(self.card_row_col("LVM2 logical volumes", 1, 1), "vol")self.click_dropdown(self.card_row("LVM2 logical volumes", 1), "Format")self.dialog_wait_open()self.dialog_wait_apply_enabled()self.dialog_set_val("name", "FSYS")self.dialog_set_val("type", fsys)self.dialog_set_val("mount_point", f"{self.mnt_dir}/foo")if crypto:self.dialog_set_val("crypto", self.default_crypto_type)self.dialog_set_val("passphrase", "vainu-reku-toma-rolle-kaja")self.dialog_set_val("passphrase2", "vainu-reku-toma-rolle-kaja")self.dialog_apply()with b.wait_timeout(60):self.dialog_wait_close()b.wait_text(self.card_row_col("LVM2 logical volumes", 1, 2), filesystem_desc_enc)b.wait_text(self.card_row_col("LVM2 logical volumes", 1, 3), f"{self.mnt_dir}/foo")if can_grow:self.click_card_row("LVM2 logical volumes", 1)b.click(self.card_button("LVM2 logical volume", "Grow"))self.dialog_wait_open()self.dialog_wait_apply_enabled()if grow_needs_unmount:b.wait_in_text("#dialog", "unmount, grow")self.dialog_set_val("size", 400)if need_passphrase:self.dialog_set_val("passphrase", "vainu-reku-toma-rolle-kaja")self.dialog_apply()self.dialog_wait_close()b.wait_in_text(self.card_desc("LVM2 logical volume", "Size"), "398 MB")with b.wait_timeout(30):self.wait_mounted(filesystem_desc)size = int(m.execute(f"df -k --output=size {self.mnt_dir}/foo | tail -1").strip())self.assertGreater(size, 300000)else:self.wait_card_button_disabled("LVM2 logical volume", "Grow")if can_shrink:b.click(self.card_button("LVM2 logical volume", "Shrink"))self.dialog_wait_open()self.dialog_wait_apply_enabled()if shrink_needs_unmount:b.wait_in_text("#dialog", "unmount, shrink")self.dialog_set_val("size", 200)if need_passphrase:self.dialog_set_val("passphrase", "vainu-reku-toma-rolle-kaja")self.dialog_apply()self.dialog_wait_close()b.wait_in_text(self.card_desc("LVM2 logical volume", "Size"), "201 MB")self.wait_mounted(filesystem_desc)size = int(m.execute(f"df -k --output=size {self.mnt_dir}/foo | tail -1").strip())self.assertLess(size, 300000)else:self.wait_card_button_disabled("LVM2 logical volume", "Shrink")def testResizeExt4(self):self.checkResize("ext4", crypto=False,can_shrink=True, shrink_needs_unmount=True,can_grow=True, grow_needs_unmount=False)def testResizeXfs(self):self.checkResize("xfs", crypto=False,can_shrink=False,can_grow=True, grow_needs_unmount=False)@testlib.skipImage("NTFS not supported on RHEL", "rhel-*", "centos-*")def testResizeNtfs(self):self.checkResize("ntfs", crypto=False,can_shrink=True, shrink_needs_unmount=True,can_grow=True, grow_needs_unmount=True)@testlib.skipImage("TODO: arch does not mount the LUKS partition after growing", "arch")def testResizeLuks(self):self.checkResize("ext4", crypto=True,can_shrink=True, shrink_needs_unmount=True,can_grow=True, grow_needs_unmount=False)def shrink_extfs(self, fs_dev, size):# fsadm can automatically unmount and check the fs when doing# a resize, but in that case it will try to remount it# afterwards. This remounting will mostly fail because# UDisks2 has removed the mount point directory in the mean# time. But sometimes it will succeed. So we take control# and unmount the fs explicitly. But then we also need to# check it explicitly.#self.machine.execute(f"(! findmnt -S '{fs_dev}' || umount '{fs_dev}'); fsadm -y check '{fs_dev}'; fsadm -y resize '{fs_dev}' '{size}'; udevadm trigger")def testGrowShrinkHelp(self):m = self.machineb = self.browserself.login_and_go("/storage")disk = m.add_disk("500M", serial="DISK1")b.wait_visible(self.card_row("Storage", name=f"/dev/{disk['dev']}"))m.execute("vgcreate TEST /dev/disk/by-id/scsi-0QEMU_QEMU_HARDDISK_DISK1")b.wait_visible(self.card_row("Storage", name="TEST"))m.execute("lvcreate TEST -n vol -L 200m")b.wait_visible(self.card_row("Storage", name="vol"))self.click_card_row("Storage", name="TEST")b.wait_visible(self.card("LVM2 volume group"))b.wait_text(self.card_row_col("LVM2 logical volumes", 1, 1), "vol")mountpoint = f"{self.mnt_dir}/foo"self.click_dropdown(self.card_row("LVM2 logical volumes", 1), "Format")self.dialog_wait_open()self.dialog_set_val("name", "FSYS")self.dialog_set_val("type", "ext4")self.dialog_set_val("mount_point", mountpoint)self.dialog_apply()self.dialog_wait_close()b.wait_text(self.card_row_col("LVM2 logical volumes", 1, 2), "ext4 filesystem")b.wait_text(self.card_row_col("LVM2 logical volumes", 1, 3), mountpoint)# Click on the card to check the labelself.click_card_row("LVM2 logical volumes", 1)b.wait_text(self.card_desc("ext4 filesystem", "Name"), "FSYS")# Grow the logical volume and let Cockpit grow the filesystemm.execute("lvresize TEST/vol -L+100M")b.click(self.card_button("LVM2 logical volume", "Grow content"))b.wait_not_present(self.card_button("LVM2 logical volume", "Grow content"))size = int(m.execute(f"df -k --output=size {mountpoint} | tail -1").strip())self.assertGreater(size, 250000)# Shrink the filesystem and let Cockpit shrink the logical volumefs_dev = m.execute("lsblk -pnl /dev/TEST/vol -o NAME | tail -1").strip()self.shrink_extfs(fs_dev, "200M")b.click(self.card_button("ext4 filesystem", "Mount now"))self.wait_mounted("ext4 filesystem")b.click(self.card_button("LVM2 logical volume", "Shrink volume"))b.wait_not_present(self.card_button("LVM2 logical volume", "Shrink volume"))size = int(m.execute("lvs TEST/vol -o lv_size --noheading --units b --nosuffix"))self.assertLess(size, 250000000)@testlib.skipImage("cryptsetup uses too much memory, OOM on our test VMs", "rhel-8-*")def testGrowShrinkEncryptedHelp(self):m = self.machineb = self.browserself.login_and_go("/storage")disk = m.add_disk("500M", serial="DISK1")b.wait_visible(self.card_row("Storage", name=f"/dev/{disk['dev']}"))m.execute("vgcreate TEST /dev/disk/by-id/scsi-0QEMU_QEMU_HARDDISK_DISK1")b.wait_visible(self.card_row("Storage", name="TEST"))m.execute("lvcreate TEST -n vol -L 200m")b.wait_visible(self.card_row("Storage", name="vol"))self.click_card_row("Storage", name="TEST")b.wait_visible(self.card("LVM2 volume group"))b.wait_text(self.card_row_col("LVM2 logical volumes", 1, 1), "vol")mountpoint = f"{self.mnt_dir}/foo"self.click_dropdown(self.card_row("LVM2 logical volumes", 1), "Format")self.dialog_wait_open()self.dialog_set_val("name", "FSYS")self.dialog_set_val("type", "ext4")self.dialog_set_val("crypto", self.default_crypto_type)self.dialog_set_val("passphrase", "vainu-reku-toma-rolle-kaja")self.dialog_set_val("passphrase2", "vainu-reku-toma-rolle-kaja")self.dialog_set_val("mount_point", mountpoint)self.dialog_apply()self.dialog_wait_close()b.wait_text(self.card_row_col("LVM2 logical volumes", 1, 2), "ext4 filesystem (encrypted)")b.wait_text(self.card_row_col("LVM2 logical volumes", 1, 3), mountpoint)# Grow the logical volume and let Cockpit grow the LUKS container and the filesystemm.execute("lvresize TEST/vol -L+100M")def confirm_with_passphrase():if self.default_crypto_type == "luks1":returnself.dialog_wait_open()self.dialog_wait_apply_enabled()self.dialog_set_val("passphrase", "vainu-reku-toma-rolle-kaja")self.dialog_apply()self.dialog_wait_close()self.click_card_row("LVM2 logical volumes", 1)b.click(self.card_button("LVM2 logical volume", "Grow content"))confirm_with_passphrase()b.wait_not_present(self.card_button("LVM2 logical volume", "Grow content"))size = int(m.execute(f"df -k --output=size {mountpoint} | tail -1").strip())self.assertGreater(size, 250000)# Shrink the filesystem and let Cockpit shrink the LUKS container and logical volumefs_dev = m.execute("lsblk -pnl /dev/TEST/vol -o NAME | tail -1").strip()self.shrink_extfs(fs_dev, "200M")b.click(self.card_button("ext4 filesystem", "Mount now"))self.wait_mounted("ext4 filesystem")b.click(self.card_button("LVM2 logical volume", "Shrink volume"))confirm_with_passphrase()b.wait_not_present(self.card_button("LVM2 logical volume", "Shrink volume"))size = int(m.execute("lvs TEST/vol -o lv_size --noheading --units b --nosuffix"))self.assertLess(size, 250000000)# Grow the logical volume and the LUKS container and let Cockpit grow the filesystemm.execute("lvresize TEST/vol -L+100M")m.execute(f"echo vainu-reku-toma-rolle-kaja | cryptsetup resize {fs_dev}")b.click(self.card_button("LVM2 logical volume", "Grow content"))confirm_with_passphrase()b.wait_not_present(self.card_button("LVM2 logical volume", "Grow volume"))size = int(m.execute(f"df -k --output=size {mountpoint} | tail -1").strip())self.assertGreater(size, 250000)# Shrink the filesystem and the LUKS container and let Cockpit shrink the logical volumeself.shrink_extfs(fs_dev, "198M")m.execute(f"echo vainu-reku-toma-rolle-kaja | cryptsetup resize '{fs_dev}' 200M")b.click(self.card_button("ext4 filesystem", "Mount now"))self.wait_mounted("ext4 filesystem")b.click(self.card_button("LVM2 logical volume", "Shrink volume"))confirm_with_passphrase()b.wait_not_present(self.card_button("LVM2 logical volume", "Shrink volume"))size = int(m.execute("lvs TEST/vol -o lv_size --noheading --units b --nosuffix"))self.assertLess(size, 250000000)def testUnsupported(self):m = self.machineb = self.browserself.login_and_go("/storage")b.wait_visible(self.card("Storage"))disk = m.add_disk("500M", serial="DISK1")b.wait_visible(self.card_row("Storage", name=f"/dev/{disk['dev']}"))m.execute("vgcreate TEST /dev/disk/by-id/scsi-0QEMU_QEMU_HARDDISK_DISK1; udevadm trigger")b.wait_visible(self.card_row("Storage", name="TEST"))m.execute("lvcreate TEST -n vol -L 320m")b.wait_visible(self.card_row("Storage", name="vol"))self.click_card_row("Storage", name="TEST")b.wait_visible(self.card("LVM2 volume group"))b.wait_text(self.card_row_col("LVM2 logical volumes", 1, 1), "vol")m.execute("mkfs.ext4 -L FSYS /dev/TEST/vol")b.wait_text(self.card_row_col("LVM2 logical volumes", 1, 2), "ext4 filesystem")def fake_fstype(fstype):# Change fstype via a udev rulem.write("/run/udev/rules.d/99-fake-fstype.rules",f'SUBSYSTEM=="block", ENV{{ID_FS_LABEL}}=="FSYS", ENV{{ID_FS_TYPE}}="{fstype}"\n')m.execute("udevadm control --reload; udevadm trigger")self.addCleanup(m.execute,"rm /run/udev/rules.d/99-fake-fstype.rules; udevadm control --reload; udevadm trigger")def check_btn(title, excuse):btn = self.card_button("LVM2 logical volume", title)b.wait_visible(btn)b.mouse(btn, "mouseenter", 0, 0, 0)b.wait_in_text("#tip-storage", excuse)b.mouse(btn, "mouseleave", 0, 0, 0)b.wait_not_present("#tip-storage")fake_fstype("udf") # UDF is a real filesystem type that UDisks knows about. It can definitely not be resized.b.wait_text(self.card_row_col("LVM2 logical volumes", 1, 2), "udf filesystem")self.click_card_row("LVM2 logical volumes", 1)check_btn("Shrink", "udf can not be resized")check_btn("Grow", "udf can not be resized")b.click(".pf-v6-c-breadcrumb__link:contains('TEST')")fake_fstype("fake") # This is not a real filesystem and UDisks2 knows nothing about it.b.wait_text(self.card_row_col("LVM2 logical volumes", 1, 2), "fake filesystem")self.click_card_row("LVM2 logical volumes", 1)check_btn("Shrink", "fake can not be resized here")check_btn("Grow", "fake can not be resized here")b.click(".pf-v6-c-breadcrumb__link:contains('TEST')")if __name__ == '__main__':testlib.test_main()