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Add scsi device case
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xx-186123: [SCSI] Hot-plug the same scsi device to two guests with shareable element
xx-145209: [scsi] Check the qemu-pr-helper process can be restarted when vm issue pr cmds
xx-98980:  [scsi] [negative] Generate duplicated addresses for scsi devices -- bug 1210587 (fixed)

Signed-off-by: chunfuwen <[email protected]>
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chunfuwen committed Oct 31, 2023
1 parent 4727ae0 commit 68f3c0a
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Showing 2 changed files with 171 additions and 11 deletions.
11 changes: 11 additions & 0 deletions libvirt/tests/cfg/scsi/scsi_device.cfg
Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,12 @@
controller_type = "scsi"
controller_model = "virtio-scsi"
controller_index = "0"
- shared_by_two_guests:
only hotplug
- qemu_pr_helper:
only coldplug
managed = "yes"
target_device = "vdb"
- negative:
variants test_scenario:
- max_sectors_controller:
Expand All @@ -38,6 +44,11 @@
max_sectors = "12345678676754"
define_error = "yes"
error_msg = "Invalid value for attribute 'max_sectors' in element 'driver': '12345678676754'"
- duplicated_addresses_generate:
only coldplug
error_msg = "using disk target name 'sda' conflicts with SCSI host device address"
define_error = "yes"
target_device = "sda"
variants plug_mode:
- coldplug:
coldplug = "yes"
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171 changes: 160 additions & 11 deletions libvirt/tests/src/scsi/scsi_device.py
Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,8 @@
import logging
import os

from avocado.utils import process

from virttest import virt_vm
from virttest import virsh

Expand Down Expand Up @@ -438,6 +440,138 @@ def check_scsi_controller(test, params, env):
test.fail("Get index=0 scsi controller although detached")


def test_hotplug_scsi_hostdev_shared_by_two_guests(test, params, env):
"""
Test hotplug scsi device into two guests
:param test: one test object instance
:param params: dict wrapped with params
:param env: environment instance
"""
block_device1 = setup_iscsi_block_device()
hostdev_xml = create_host_dev(params, block_device1)
hostdev_xml.shareable = True
vm_names = params.get("vms").split()
for vm_name in vm_names:
vm = env.get_vm(vm_name)
if vm.is_dead():
vm.start()
vm.wait_for_login().close()
virsh.attach_device(vm_name, hostdev_xml.xml, flagstr="--live",
ignore_status=False)


def check_hostdev_shareable_attr(test, params):
"""
check scsi shareable attribute
:param test: one test object instance
:param params: dict wrapped with params
"""
vm_names = params.get("vms").split()
for vm_name in vm_names:
vmxml_checked = vm_xml.VMXML.new_from_dumpxml(vm_name)
hostdev_xml = vmxml_checked.get_devices('hostdev')[0]
shareable_attr = hostdev_xml.shareable
if shareable_attr is not True:
test.fail("VM: % failed to find shareable attribute in output: %s" % (vm_name, str(hostdev_xml)))


def test_coldplug_scsi_hostdev_qemu_pr_helper(test, params):
"""
Test coldplug scsi hostdev and check qemu-pr-helper status
:param test: one test object instance
:param params: dict wrapped with params
"""
vm_name = params.get("main_vm")
block_device = setup_scsi_debug_block_device()

disk_src_dict = {"attrs": {"dev": block_device}}
target_device = params.get("target_device")

customized_disk = libvirt_disk.create_primitive_disk_xml(
"block", "lun",
target_device, 'scsi',
'raw', disk_src_dict, None)

# update reservation attributes
reservations_dict = {"reservations_managed": "yes"}
disk_source = customized_disk.source
disk_source.reservations = customized_disk.new_reservations(**reservations_dict)
customized_disk.source = disk_source

LOG.info("disk xml is: %s", customized_disk)
xml_dump = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
xml_dump.add_device(customized_disk)
xml_dump.sync()


def check_qemu_pr_helper(test, params, env):
"""
check qemu_qr_helper process can be restarted when VM issue pr cmds
:param test: one test object instance
:param params: dict wrapped with params
:param env: environment instance
"""
old_qr_pid = process.run("pidof qemu-pr-helper",
ignore_status=True, shell=True).stdout_text.strip()
if old_qr_pid is None:
test.fail("qemu-pr-helper is not started after VM is started")
process.system("killall qemu-pr-helper && sleep 2",
ignore_status=True, shell=True)

vm_name = params.get("main_vm")
vm = env.get_vm(vm_name)
session = vm.wait_for_login()
_, cmd_o = session.cmd_status_output("lsscsi|grep scsi_debug|awk '{print $6}'")
# send series of pr commands to VM
sg_cmd_list = ["sg_persist --no-inquiry -v --out --register-ignore --param-sark 123aaa %s && sleep 1" % cmd_o,
"sg_persist --no-inquiry --in -k %s && sleep 1" % cmd_o,
"sg_persist --no-inquiry -v --out --reserve --param-rk 123aaa --prout-type 5 %s && sleep 1" % cmd_o,
"sg_persist --no-inquiry --in -r %s && sleep 1" % cmd_o,
"sg_persist --no-inquiry -v --out --release --param-rk 123aaa --prout-type 5 %s && sleep 1" % cmd_o,
"sg_persist --no-inquiry --in -r %s && sleep 1" % cmd_o,
"sg_persist --no-inquiry -v --out --register --param-rk 123aaa --prout-type 5 %s && sleep 1" % cmd_o,
"sg_persist --no-inquiry --in -k %s && sleep 1" % cmd_o]
for sg_cmd in sg_cmd_list:
session.cmd_status_output(sg_cmd)
new_qr_pid = process.run("pidof qemu-pr-helper",
ignore_status=True, shell=True).stdout_text.strip()
if new_qr_pid is None:
test.fail("qemu-pr-helper is not restarted after issuing pr commands to VM")


def test_coldplug_scsi_hostdev_duplicated_addresses_generate(test, params, env):
"""
Test coldplug scsi hostdev with specific address, and then add one more scsi disk
:param test: one test object instance
:param params: dict wrapped with params
:param env: environment instance
"""
vm_name = params.get("main_vm")
vm = env.get_vm(vm_name)

block_device = setup_iscsi_block_device()
hostdev_xml = create_host_dev(params, block_device)
addr_dict = {'controller': '0', 'bus': '0', 'target': '0', 'unit': '0'}

# Specify address for host device
new_one = hostdev_xml.Address(type_name='drive')
for key, value in list({"attrs": addr_dict}.items()):
setattr(new_one, key, value)
hostdev_xml.address = new_one

LOG.info("disk xml is: %s", hostdev_xml)
xml_dump = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
xml_dump.add_device(hostdev_xml)
xml_dump.sync()
# add one more scsi disk, failure due to conflicts with SCSI host device address
add_one_disk(params)


def run(test, params, env):
"""
Test manipulate scsi device.
Expand All @@ -451,13 +585,21 @@ def run(test, params, env):
vm_name = params.get("main_vm")
vm = env.get_vm(vm_name)

# Back up xml file
if vm.is_alive():
vm.destroy(gracefully=False)
vm_names = params.get("vms").split()
if len(vm_names) < 2:
test.cancel("No multi vms provided.")

# Backup vm xml files.
vms_backup = []
# it need use 2 VMs for testing.
for i in list(range(2)):
if virsh.is_alive(vm_name[i]):
virsh.destroy(vm_name[i], gracefully=False)
vmxml_backup = vm_xml.VMXML.new_from_inactive_dumpxml(vm_names[i])
vms_backup.append(vmxml_backup)

coldplug = "yes" == params.get("coldplug")
define_error = "yes" == params.get("define_error", "no")
xml_backup = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)

plug_mode = params.get("plug_mode")
scsi_type = params.get("scsi_type")
Expand All @@ -480,7 +622,7 @@ def run(test, params, env):
test.fail("Failed to define VM:\n%s" % str(xml_error))
else:
if params.get('error_msg') not in str(xml_error):
test.fail("Can unexpected error message from: %s" % str(xml_error))
test.fail("Get unexpected error message from: %s" % str(xml_error))
else:
if test_scenario == "alias":
libvirt.check_qemu_cmd_line(params.get("alias_name"))
Expand All @@ -494,15 +636,22 @@ def run(test, params, env):
check_vdisk_hostdev_address_unit(test, params, env)
elif test_scenario == "unplug_scsi_controller":
check_scsi_controller(test, params, env)
elif test_scenario == "shared_by_two_guests":
check_hostdev_shareable_attr(test, params)
elif test_scenario == "qemu_pr_helper":
check_qemu_pr_helper(test, params, env)
finally:
# Recover VM.
if vm.is_alive():
vm.destroy(gracefully=False)
LOG.info("Restoring vm...")
xml_backup.sync()
# Recover VMs.
for i in list(range(2)):
if virsh.is_alive(vm_name[i]):
virsh.destroy(vm_name[i], gracefully=False)
LOG.info("Restoring vms...")
for vmxml_backup in vms_backup:
vmxml_backup.sync()
# Delete the tmp files.
libvirt.setup_or_cleanup_iscsi(is_setup=False)
if test_scenario == "boot_order":
if test_scenario in ["boot_order", "same_hostdev_address", "tap_library", "qemu_pr_helper",
"duplicated_addresses_generate"]:
try:
libvirt.delete_scsi_disk()
except Exception as e:
Expand Down

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