def domainsnapshot_validate(vm_name, file=None, **virsh_dargs):
"""
Test for schema domainsnapshot
"""
snapshot_name = "snap-%s-%s" % (vm_name, time.time())
cmd_result = virsh.snapshot_create_as(vm_name, snapshot_name)
libvirt.check_exit_status(cmd_result)
def check_info(s1, s2, errorstr="Values differ"):
if s1 != s2:
error.TestFail("%s (%s != %s)" % (errorstr, s1, s2))
try:
ss_info = virsh.snapshot_info(vm_name, snapshot_name)
check_info(ss_info["Name"], snapshot_name, "Incorrect snapshot name")
check_info(ss_info["Domain"], vm_name, "Incorrect domain name")
except error.CmdError, e:
error.TestFail(str(e))
def run(test, params, env):
"""
Attach/Detach an iscsi network/volume disk to domain
1. For secret usage testing:
1.1. Setup an iscsi target with CHAP authentication.
1.2. Define a secret for iscsi target usage
1.3. Set secret value
2. Create
4. Create an iscsi network disk XML
5. Attach disk with the XML file and check the disk inside the VM
6. Detach the disk
"""
vm_name = params.get("main_vm")
vm = env.get_vm(vm_name)
disk_device = params.get("disk_device", "disk")
disk_type = params.get("disk_type", "network")
disk_src_protocol = params.get("disk_source_protocol", "iscsi")
disk_src_host = params.get("disk_source_host", "127.0.0.1")
disk_src_port = params.get("disk_source_port", "3260")
disk_src_pool = params.get("disk_source_pool")
disk_src_mode = params.get("disk_source_mode", "host")
pool_type = params.get("pool_type", "iscsi")
pool_src_host = params.get("pool_source_host", "127.0.0.1")
disk_target = params.get("disk_target", "vdb")
disk_target_bus = params.get("disk_target_bus", "virtio")
disk_readonly = params.get("disk_readonly", "no")
chap_auth = "yes" == params.get("chap_auth", "no")
chap_user = params.get("chap_username", "")
chap_passwd = params.get("chap_password", "")
secret_usage_target = params.get("secret_usage_target")
secret_ephemeral = params.get("secret_ephemeral", "no")
secret_private = params.get("secret_private", "yes")
status_error = "yes" == params.get("status_error", "no")
# Indicate the PPC platform
on_ppc = False
if platform.platform().count('ppc64'):
on_ppc = True
if disk_src_protocol == 'iscsi':
if not libvirt_version.version_compare(1, 0, 4):
raise error.TestNAError("'iscsi' disk doesn't support in"
" current libvirt version.")
if disk_type == "volume":
if not libvirt_version.version_compare(1, 0, 5):
raise error.TestNAError("'volume' type disk doesn't support in"
" current libvirt version.")
# Back VM XML
vmxml_backup = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
virsh_dargs = {'debug': True, 'ignore_status': True}
try:
if chap_auth:
# Create a secret xml to define it
secret_xml = SecretXML(secret_ephemeral, secret_private)
secret_xml.auth_type = "chap"
secret_xml.auth_username = chap_user
secret_xml.usage = disk_src_protocol
secret_xml.target = secret_usage_target
logging.debug("Define secret by XML: %s",
open(secret_xml.xml).read())
# Define secret
cmd_result = virsh.secret_define(secret_xml.xml, **virsh_dargs)
libvirt.check_exit_status(cmd_result)
# Get secret uuid
try:
secret_uuid = cmd_result.stdout.strip().split()[1]
except IndexError:
raise error.TestError("Fail to get new created secret uuid")
# Set secret value
secret_string = base64.b64encode(chap_passwd)
cmd_result = virsh.secret_set_value(secret_uuid, secret_string,
**virsh_dargs)
libvirt.check_exit_status(cmd_result)
else:
# Set chap_user and chap_passwd to empty to avoid setup
# CHAP authentication when export iscsi target
chap_user = ""
chap_passwd = ""
# Setup iscsi target
iscsi_target, lun_num = libvirt.setup_or_cleanup_iscsi(
is_setup=True,
is_login=False,
image_size='1G',
chap_user=chap_user,
chap_passwd=chap_passwd,
portal_ip=disk_src_host)
# Create iscsi pool
if disk_type == "volume":
# Create an iscsi pool xml to create it
pool_src_xml = pool_xml.SourceXML()
pool_src_xml.host_name = pool_src_host
pool_src_xml.device_path = iscsi_target
poolxml = pool_xml.PoolXML(pool_type=pool_type)
poolxml.name = disk_src_pool
poolxml.set_source(pool_src_xml)
poolxml.target_path = "/dev/disk/by-path"
# Create iscsi pool
cmd_result = virsh.pool_create(poolxml.xml, **virsh_dargs)
libvirt.check_exit_status(cmd_result)
def get_vol():
"""Get the volume info"""
# Refresh the pool
cmd_result = virsh.pool_refresh(disk_src_pool)
libvirt.check_exit_status(cmd_result)
# Get volume name
cmd_result = virsh.vol_list(disk_src_pool, **virsh_dargs)
libvirt.check_exit_status(cmd_result)
vol_list = []
vol_list = re.findall(r"(\S+)\ +(\S+)[\ +\n]",
str(cmd_result.stdout))
if len(vol_list) > 1:
return vol_list[1]
else:
return None
# Wait for a while so that we can get the volume info
vol_info = utils_misc.wait_for(get_vol, 10)
if vol_info:
vol_name, vol_path = vol_info
else:
raise error.TestError("Failed to get volume info")
# Snapshot doesn't support raw disk format, create a qcow2 volume
# disk for snapshot operation.
process.run('qemu-img create -f qcow2 %s %s' % (vol_path, '100M'),
shell=True)
# Create iscsi network disk XML
disk_params = {
'device_type': disk_device,
'type_name': disk_type,
'target_dev': disk_target,
'target_bus': disk_target_bus,
'readonly': disk_readonly
}
disk_params_src = {}
if disk_type == "network":
disk_params_src = {
'source_protocol': disk_src_protocol,
'source_name': iscsi_target + "/%s" % lun_num,
'source_host_name': disk_src_host,
'source_host_port': disk_src_port
}
elif disk_type == "volume":
disk_params_src = {
'source_pool': disk_src_pool,
'source_volume': vol_name,
'driver_type': 'qcow2',
'source_mode': disk_src_mode
}
else:
error.TestNAError("Unsupport disk type in this test")
disk_params.update(disk_params_src)
if chap_auth:
disk_params_auth = {
'auth_user': chap_user,
'secret_type': disk_src_protocol,
'secret_usage': secret_xml.target
}
disk_params.update(disk_params_auth)
disk_xml = libvirt.create_disk_xml(disk_params)
start_vm = "yes" == params.get("start_vm", "yes")
if start_vm:
if vm.is_dead():
vm.start()
vm.wait_for_login()
else:
if not vm.is_dead():
vm.destroy()
attach_option = params.get("attach_option", "")
disk_xml_f = open(disk_xml)
disk_xml_content = disk_xml_f.read()
disk_xml_f.close()
logging.debug("Attach disk by XML: %s", disk_xml_content)
cmd_result = virsh.attach_device(domainarg=vm_name,
filearg=disk_xml,
flagstr=attach_option,
dargs=virsh_dargs)
libvirt.check_exit_status(cmd_result, status_error)
if vm.is_dead():
cmd_result = virsh.start(vm_name, **virsh_dargs)
libvirt.check_exit_status(cmd_result)
# Wait for domain is stable
vm.wait_for_login().close()
domain_operation = params.get("domain_operation", "")
if domain_operation == "save":
save_file = os.path.join(test.tmpdir, "vm.save")
cmd_result = virsh.save(vm_name, save_file, **virsh_dargs)
libvirt.check_exit_status(cmd_result)
cmd_result = virsh.restore(save_file)
libvirt.check_exit_status(cmd_result)
if os.path.exists(save_file):
os.remove(save_file)
elif domain_operation == "snapshot":
# Run snapshot related commands: snapshot-create-as, snapshot-list
# snapshot-info, snapshot-dumpxml, snapshot-create
snapshot_name1 = "snap1"
snapshot_name2 = "snap2"
cmd_result = virsh.snapshot_create_as(vm_name, snapshot_name1,
**virsh_dargs)
libvirt.check_exit_status(cmd_result)
try:
virsh.snapshot_list(vm_name, **virsh_dargs)
except process.CmdError:
error.TestFail("Failed getting snapshots list for %s" %
vm_name)
try:
virsh.snapshot_info(vm_name, snapshot_name1, **virsh_dargs)
except process.CmdError:
error.TestFail("Failed getting snapshots info for %s" %
vm_name)
cmd_result = virsh.snapshot_dumpxml(vm_name, snapshot_name1,
**virsh_dargs)
libvirt.check_exit_status(cmd_result)
cmd_result = virsh.snapshot_create(vm_name, **virsh_dargs)
libvirt.check_exit_status(cmd_result)
cmd_result = virsh.snapshot_current(vm_name, **virsh_dargs)
libvirt.check_exit_status(cmd_result)
snapshot_file = os.path.join(test.tmpdir, snapshot_name2)
sn_create_op = ("%s --disk-only --diskspec %s,file=%s" %
(snapshot_name2, disk_target, snapshot_file))
cmd_result = virsh.snapshot_create_as(vm_name, sn_create_op,
**virsh_dargs)
libvirt.check_exit_status(cmd_result)
cmd_result = virsh.snapshot_revert(vm_name, snapshot_name1,
**virsh_dargs)
cmd_result = virsh.snapshot_list(vm_name, **virsh_dargs)
if snapshot_name2 not in cmd_result:
raise error.TestError("Snapshot %s not found" % snapshot_name2)
else:
logging.error("Unsupport operation %s in this case, so skip it",
domain_operation)
def find_attach_disk(expect=True):
"""
Find attached disk inside the VM
"""
found_disk = False
if vm.is_dead():
raise error.TestError("Domain %s is not running" % vm_name)
else:
try:
session = vm.wait_for_login()
# Here the script needs wait for a while for the guest to
# recognize the hotplugged disk on PPC
if on_ppc:
time.sleep(10)
cmd = "grep %s /proc/partitions" % disk_target
s, o = session.cmd_status_output(cmd)
logging.info("%s output: %s", cmd, o)
session.close()
if s == 0:
found_disk = True
except (LoginError, VMError, ShellError), e:
logging.error(str(e))
if found_disk == expect:
logging.debug("Check disk inside the VM PASS as expected")
else:
raise error.TestError("Check disk inside the VM FAIL")
# Check disk inside the VM, expect is False if status_error=True
find_attach_disk(not status_error)
# Detach disk
cmd_result = virsh.detach_disk(vm_name, disk_target)
libvirt.check_exit_status(cmd_result, status_error)
# Check disk inside the VM
find_attach_disk(False)
def run(test, params, env):
"""
Attach/Detach an iscsi network/volume disk to domain
1. For secret usage testing:
1.1. Setup an iscsi target with CHAP authentication.
1.2. Define a secret for iscsi target usage
1.3. Set secret value
2. Create
4. Create an iscsi network disk XML
5. Attach disk with the XML file and check the disk inside the VM
6. Detach the disk
"""
vm_name = params.get("main_vm")
vm = env.get_vm(vm_name)
disk_device = params.get("disk_device", "disk")
disk_type = params.get("disk_type", "network")
disk_src_protocol = params.get("disk_source_protocol", "iscsi")
disk_src_host = params.get("disk_source_host", "127.0.0.1")
disk_src_port = params.get("disk_source_port", "3260")
disk_src_pool = params.get("disk_source_pool")
disk_src_mode = params.get("disk_source_mode", "host")
pool_type = params.get("pool_type", "iscsi")
pool_src_host = params.get("pool_source_host", "127.0.0.1")
pool_target = params.get("pool_target", "/dev/disk/by-path")
disk_target = params.get("disk_target", "vdb")
disk_target_bus = params.get("disk_target_bus", "virtio")
disk_readonly = params.get("disk_readonly", "no")
chap_auth = "yes" == params.get("chap_auth", "no")
chap_user = params.get("chap_username", "")
chap_passwd = params.get("chap_password", "")
secret_usage_target = params.get("secret_usage_target")
secret_ephemeral = params.get("secret_ephemeral", "no")
secret_private = params.get("secret_private", "yes")
status_error = "yes" == params.get("status_error", "no")
vg_name = params.get("virt_disk_vg_name", "vg_test_0")
lv_name = params.get("virt_disk_lv_name", "lv_test_0")
driver_packed = params.get("driver_packed", "on")
disk_packed = "yes" == params.get("disk_packed", "no")
scsi_packed = "yes" == params.get("scsi_packed", "no")
# Indicate the PPC platform
on_ppc = False
if platform.platform().count('ppc64'):
on_ppc = True
if disk_src_protocol == 'iscsi':
if not libvirt_version.version_compare(1, 0, 4):
test.cancel("'iscsi' disk doesn't support in"
" current libvirt version.")
if disk_type == "volume":
if not libvirt_version.version_compare(1, 0, 5):
test.cancel("'volume' type disk doesn't support in"
" current libvirt version.")
if pool_type == "iscsi-direct":
if not libvirt_version.version_compare(4, 7, 0):
test.cancel("iscsi-direct pool is not supported in"
" current libvirt version.")
if ((disk_packed or scsi_packed)
and not libvirt_version.version_compare(6, 3, 0)):
test.cancel("The virtio packed attribute is not supported in"
" current libvirt version.")
# Back VM XML
vmxml_backup = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
# Fix no more PCI slots issue in certain cases.
vm_dump_xml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
machine_type = params.get("machine_type", "pc")
if machine_type == 'q35':
vm_dump_xml.remove_all_device_by_type('controller')
machine_list = vm_dump_xml.os.machine.split("-")
vm_dump_xml.set_os_attrs(
**{"machine": machine_list[0] + "-q35-" + machine_list[2]})
q35_pcie_dict0 = {
'controller_model': 'pcie-root',
'controller_type': 'pci',
'controller_index': 0
}
q35_pcie_dict1 = {
'controller_model': 'pcie-root-port',
'controller_type': 'pci'
}
vm_dump_xml.add_device(libvirt.create_controller_xml(q35_pcie_dict0))
# Add enough controllers to match multiple times disk attaching requirements
for i in list(range(1, 12)):
q35_pcie_dict1.update({'controller_index': "%d" % i})
vm_dump_xml.add_device(
libvirt.create_controller_xml(q35_pcie_dict1))
vm_dump_xml.sync()
virsh_dargs = {'debug': True, 'ignore_status': True}
try:
start_vm = "yes" == params.get("start_vm", "yes")
if start_vm:
if vm.is_dead():
vm.start()
vm.wait_for_login()
else:
if not vm.is_dead():
vm.destroy()
if chap_auth:
# Create a secret xml to define it
secret_xml = SecretXML(secret_ephemeral, secret_private)
secret_xml.auth_type = "chap"
secret_xml.auth_username = chap_user
secret_xml.usage = disk_src_protocol
secret_xml.target = secret_usage_target
with open(secret_xml.xml) as f:
logging.debug("Define secret by XML: %s", f.read())
# Define secret
cmd_result = virsh.secret_define(secret_xml.xml, **virsh_dargs)
libvirt.check_exit_status(cmd_result)
# Get secret uuid
try:
secret_uuid = cmd_result.stdout.strip().split()[1]
except IndexError:
test.error("Fail to get new created secret uuid")
# Set secret value
encoding = locale.getpreferredencoding()
secret_string = base64.b64encode(
chap_passwd.encode(encoding)).decode(encoding)
cmd_result = virsh.secret_set_value(secret_uuid, secret_string,
**virsh_dargs)
libvirt.check_exit_status(cmd_result)
else:
# Set chap_user and chap_passwd to empty to avoid setup
# CHAP authentication when export iscsi target
chap_user = ""
chap_passwd = ""
# Setup iscsi target
if disk_type == "block":
iscsi_target = libvirt.setup_or_cleanup_iscsi(
is_setup=True,
is_login=True,
image_size="1G",
chap_user=chap_user,
chap_passwd=chap_passwd,
portal_ip=disk_src_host)
else:
iscsi_target, lun_num = libvirt.setup_or_cleanup_iscsi(
is_setup=True,
is_login=False,
image_size='1G',
chap_user=chap_user,
chap_passwd=chap_passwd,
portal_ip=disk_src_host)
# Create iscsi pool
if disk_type == "volume":
# Create an iscsi pool xml to create it
pool_src_xml = pool_xml.SourceXML()
pool_src_xml.host_name = pool_src_host
pool_src_xml.device_path = iscsi_target
poolxml = pool_xml.PoolXML(pool_type=pool_type)
poolxml.name = disk_src_pool
poolxml.set_source(pool_src_xml)
poolxml.target_path = pool_target
if chap_auth:
pool_src_xml.auth_type = "chap"
pool_src_xml.auth_username = chap_user
pool_src_xml.secret_usage = secret_usage_target
poolxml.set_source(pool_src_xml)
if pool_type == "iscsi-direct":
iscsi_initiator = params.get('iscsi_initiator')
pool_src_xml.iqn_name = iscsi_initiator
poolxml.set_source(pool_src_xml)
# Create iscsi/iscsi-direct pool
cmd_result = virsh.pool_create(poolxml.xml, **virsh_dargs)
libvirt.check_exit_status(cmd_result)
xml = virsh.pool_dumpxml(disk_src_pool)
logging.debug("Pool '%s' XML:\n%s", disk_src_pool, xml)
def get_vol():
"""Get the volume info"""
# Refresh the pool
cmd_result = virsh.pool_refresh(disk_src_pool)
libvirt.check_exit_status(cmd_result)
# Get volume name
cmd_result = virsh.vol_list(disk_src_pool, **virsh_dargs)
libvirt.check_exit_status(cmd_result)
vol_list = []
vol_list = re.findall(r"(\S+)\ +(\S+)",
str(cmd_result.stdout.strip()))
if len(vol_list) > 1:
return vol_list[1]
else:
return None
# Wait for a while so that we can get the volume info
vol_info = utils_misc.wait_for(get_vol, 10)
if vol_info:
vol_name, vol_path = vol_info
else:
test.error("Failed to get volume info")
# Snapshot doesn't support raw disk format, create a qcow2 volume
# disk for snapshot operation.
if pool_type == "iscsi":
process.run('qemu-img create -f qcow2 %s %s' %
(vol_path, '100M'),
shell=True,
verbose=True)
else:
# Get iscsi URL to create a qcow2 volume disk
disk_path = ("iscsi://[%s]/%s/%s" %
(disk_src_host, iscsi_target, lun_num))
blk_source = "/mnt/test.qcow2"
process.run('qemu-img create -f qcow2 %s %s' %
(blk_source, '100M'),
shell=True,
verbose=True)
process.run('qemu-img convert -O qcow2 %s %s' %
(blk_source, disk_path),
shell=True,
verbose=True)
# Create block device
if disk_type == "block":
logging.debug("iscsi dev name: %s", iscsi_target)
lv_utils.vg_create(vg_name, iscsi_target)
device_source = libvirt.create_local_disk("lvm",
size="10M",
vgname=vg_name,
lvname=lv_name)
logging.debug("New created volume: %s", lv_name)
# Create iscsi network disk XML
disk_params = {
'device_type': disk_device,
'type_name': disk_type,
'target_dev': disk_target,
'target_bus': disk_target_bus,
'readonly': disk_readonly
}
disk_params_src = {}
if disk_type == "network":
disk_params_src = {
'source_protocol': disk_src_protocol,
'source_name': iscsi_target + "/%s" % lun_num,
'source_host_name': disk_src_host,
'source_host_port': disk_src_port
}
elif disk_type == "volume":
if pool_type == "iscsi":
disk_params_src = {
'source_pool': disk_src_pool,
'source_volume': vol_name,
'driver_type': 'qcow2',
'source_mode': disk_src_mode
}
# iscsi-direct pool don't include source_mode option
else:
disk_params_src = {
'source_pool': disk_src_pool,
'source_volume': vol_name,
'driver_type': 'qcow2'
}
elif disk_type == "block":
disk_params_src = {
'source_file': device_source,
'driver_type': 'raw'
}
# Start guest with packed attribute in disk
if disk_packed:
disk_params_src['driver_packed'] = driver_packed
# Start guest with packed attribute in scsi controller
if scsi_packed:
scsi_controller = Controller("controller")
scsi_controller.type = "scsi"
scsi_controller.model = "virtio-scsi"
scsi_controller.driver = {'packed': driver_packed}
vm_dump_xml.add_device(scsi_controller)
vm_dump_xml.sync()
else:
test.cancel("Unsupported disk type in this test")
disk_params.update(disk_params_src)
if chap_auth and disk_type != "volume":
disk_params_auth = {
'auth_user': chap_user,
'secret_type': disk_src_protocol,
'secret_usage': secret_xml.target
}
disk_params.update(disk_params_auth)
disk_xml = libvirt.create_disk_xml(disk_params)
attach_option = params.get("attach_option", "")
cmd_result = virsh.attach_device(domainarg=vm_name,
filearg=disk_xml,
flagstr=attach_option,
dargs=virsh_dargs)
libvirt.check_exit_status(cmd_result, status_error)
if vm.is_dead():
cmd_result = virsh.start(vm_name, **virsh_dargs)
libvirt.check_exit_status(cmd_result)
# Wait for domain is stable
vm.wait_for_login().close()
domain_operation = params.get("domain_operation", "")
if domain_operation == "save":
save_file = os.path.join(data_dir.get_tmp_dir(), "vm.save")
cmd_result = virsh.save(vm_name, save_file, **virsh_dargs)
libvirt.check_exit_status(cmd_result)
cmd_result = virsh.restore(save_file)
libvirt.check_exit_status(cmd_result)
if os.path.exists(save_file):
os.remove(save_file)
elif domain_operation == "snapshot":
# Run snapshot related commands: snapshot-create-as, snapshot-list
# snapshot-info, snapshot-dumpxml, snapshot-create
# virsh snapshot-revert is not supported on combined internal and external snapshots
# see more details from,https://bugzilla.redhat.com/show_bug.cgi?id=1733173
snapshot_name1 = "snap1"
snapshot_name2 = "snap2"
cmd_result = virsh.snapshot_create_as(vm_name, snapshot_name1,
**virsh_dargs)
libvirt.check_exit_status(cmd_result)
try:
virsh.snapshot_list(vm_name, **virsh_dargs)
except process.CmdError:
test.fail("Failed getting snapshots list for %s" % vm_name)
try:
virsh.snapshot_info(vm_name, snapshot_name1, **virsh_dargs)
except process.CmdError:
test.fail("Failed getting snapshots info for %s" % vm_name)
cmd_result = virsh.snapshot_dumpxml(vm_name, snapshot_name1,
**virsh_dargs)
libvirt.check_exit_status(cmd_result)
cmd_result = virsh.snapshot_create(vm_name, **virsh_dargs)
libvirt.check_exit_status(cmd_result)
cmd_result = virsh.snapshot_current(vm_name, **virsh_dargs)
libvirt.check_exit_status(cmd_result)
virsh.snapshot_create_as(vm_name,
snapshot_name2,
ignore_status=False,
debug=True)
cmd_result = virsh.snapshot_revert(vm_name, snapshot_name1,
**virsh_dargs)
cmd_result = virsh.snapshot_list(vm_name, **virsh_dargs)
if snapshot_name2 not in cmd_result:
test.error("Snapshot %s not found" % snapshot_name2)
elif domain_operation == "start_with_packed":
expect_xml_line = "packed=\"%s\"" % driver_packed
libvirt.check_dumpxml(vm, expect_xml_line)
expect_qemu_line = "packed=%s" % driver_packed
libvirt.check_qemu_cmd_line(expect_qemu_line)
elif domain_operation == "":
logging.debug("No domain operation provided, so skip it")
else:
logging.error("Unsupported operation %s in this case, so skip it",
domain_operation)
def find_attach_disk(expect=True):
"""
Find attached disk inside the VM
"""
found_disk = False
if vm.is_dead():
test.error("Domain %s is not running" % vm_name)
else:
try:
session = vm.wait_for_login()
# Here the script needs wait for a while for the guest to
# recognize the hotplugged disk on PPC
if on_ppc:
time.sleep(10)
cmd = "grep %s /proc/partitions" % disk_target
s, o = session.cmd_status_output(cmd)
logging.info("%s output: %s", cmd, o)
session.close()
if s == 0:
found_disk = True
except (LoginError, VMError, ShellError) as e:
logging.error(str(e))
if found_disk == expect:
logging.debug("Check disk inside the VM PASS as expected")
else:
test.error("Check disk inside the VM FAIL")
# Check disk inside the VM, expect is False if status_error=True
find_attach_disk(not status_error)
# Detach disk
cmd_result = virsh.detach_disk(vm_name,
disk_target,
wait_remove_event=True)
libvirt.check_exit_status(cmd_result, status_error)
# Check disk inside the VM
find_attach_disk(False)
finally:
# Clean up snapshot
# Shut down before cleaning up snapshots
if vm.is_alive():
vm.destroy()
libvirt.clean_up_snapshots(vm_name, domxml=vmxml_backup)
# Restore vm
vmxml_backup.sync("--snapshots-metadata")
# Destroy pool and undefine secret, which may not exist
try:
if disk_type == "volume":
virsh.pool_destroy(disk_src_pool)
if disk_type == "block":
clean_up_lvm(iscsi_target, vg_name, lv_name)
if chap_auth:
virsh.secret_undefine(secret_uuid)
except Exception:
pass
libvirt.setup_or_cleanup_iscsi(is_setup=False)
def run(test, params, env):
"""
Attach/Detach an iscsi network/volume disk to domain
1. For secret usage testing:
1.1. Setup an iscsi target with CHAP authentication.
1.2. Define a secret for iscsi target usage
1.3. Set secret value
2. Create
4. Create an iscsi network disk XML
5. Attach disk with the XML file and check the disk inside the VM
6. Detach the disk
"""
vm_name = params.get("main_vm")
vm = env.get_vm(vm_name)
disk_device = params.get("disk_device", "disk")
disk_type = params.get("disk_type", "network")
disk_src_protocal = params.get("disk_source_protocal", "iscsi")
disk_src_host = params.get("disk_source_host", "127.0.0.1")
disk_src_port = params.get("disk_source_port", "3260")
disk_src_pool = params.get("disk_source_pool")
disk_src_mode = params.get("disk_source_mode", "host")
pool_type = params.get("pool_type", "iscsi")
pool_src_host = params.get("pool_source_host", "127.0.0.1")
disk_target = params.get("disk_target", "vdb")
disk_target_bus = params.get("disk_target_bus", "virtio")
disk_readonly = params.get("disk_readonly", "no")
chap_auth = "yes" == params.get("chap_auth", "no")
chap_user = params.get("chap_username", "")
chap_passwd = params.get("chap_password", "")
secret_usage_target = params.get("secret_usage_target")
secret_ephemeral = params.get("secret_ephemeral", "no")
secret_private = params.get("secret_private", "yes")
status_error = "yes" == params.get("status_error", "no")
if disk_type == "volume":
if not libvirt_version.version_compare(1, 0, 5):
raise error.TestNAError("'volume' type disk doesn't support in"
+ " current libvirt version.")
# Back VM XML
vmxml_backup = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
virsh_dargs = {'debug': True, 'ignore_status': True}
try:
if chap_auth:
# Create a secret xml to define it
secret_xml = SecretXML(secret_ephemeral, secret_private)
secret_xml.auth_type = "chap"
secret_xml.auth_username = chap_user
secret_xml.usage = disk_src_protocal
secret_xml.target = secret_usage_target
logging.debug("Define secret by XML: %s", open(secret_xml.xml).read())
# Define secret
cmd_result = virsh.secret_define(secret_xml.xml, **virsh_dargs)
libvirt.check_exit_status(cmd_result)
# Get secret uuid
try:
secret_uuid = cmd_result.stdout.strip().split()[1]
except IndexError:
raise error.TestError("Fail to get new created secret uuid")
# Set secret value
secret_string = base64.b64encode(chap_passwd)
cmd_result = virsh.secret_set_value(secret_uuid, secret_string,
**virsh_dargs)
libvirt.check_exit_status(cmd_result)
else:
# Set chap_user and chap_passwd to empty to avoid setup
# CHAP authentication when export iscsi target
chap_user = ""
chap_passwd = ""
# Setup iscsi target
iscsi_target = libvirt.setup_or_cleanup_iscsi(is_setup=True,
is_login=False,
chap_user=chap_user,
chap_passwd=chap_passwd)
# Create iscsi pool
if disk_type == "volume":
# Create an iscsi pool xml to create it
pool_src_xml = pool_xml.SourceXML()
pool_src_xml.hostname = pool_src_host
pool_src_xml.device_path = iscsi_target
poolxml = pool_xml.PoolXML(pool_type=pool_type)
poolxml.name = disk_src_host
poolxml.set_source(pool_src_xml)
poolxml.target_path = "/dev/disk/by-path"
# Create iscsi pool
cmd_result = virsh.pool_create(poolxml.xml, **virsh_dargs)
libvirt.check_exit_status(cmd_result)
# Get volume name
cmd_result = virsh.vol_list(disk_src_pool, **virsh_dargs)
libvirt.check_exit_status(cmd_result)
try:
vol_name = re.findall(r"(\S+)\ +(\S+)[\ +\n]",
str(cmd_result.stdout))[1][0]
except IndexError:
raise error.TestError("Fail to get volume name")
# Create iscsi network disk XML
disk_params = {'device_type': disk_device,
'type_name': disk_type,
'target_dev': disk_target,
'target_bus': disk_target_bus,
'readonly': disk_readonly}
disk_params_src = {}
if disk_type == "network":
disk_params_src = {'source_protocol': disk_src_protocal,
'source_name': iscsi_target + "/1",
'source_host_name': disk_src_host,
'source_host_port': disk_src_port}
elif disk_type == "volume":
disk_params_src = {'source_pool': disk_src_pool,
'source_volume': vol_name,
'source_mode': disk_src_mode}
else:
error.TestNAError("Unsupport disk type in this test")
disk_params.update(disk_params_src)
if chap_auth:
disk_params_auth = {'auth_user': chap_user,
'secret_type': disk_src_protocal,
'secret_usage': secret_xml.target}
disk_params.update(disk_params_auth)
disk_xml = libvirt.create_disk_xml(disk_params)
start_vm = "yes" == params.get("start_vm", "yes")
if start_vm:
if vm.is_dead():
vm.start()
else:
if not vm.is_dead():
vm.destroy()
attach_option = params.get("attach_option", "")
# Attach the iscsi network disk to domain
logging.debug("Attach disk by XML: %s", open(disk_xml).read())
cmd_result = virsh.attach_device(domainarg=vm_name, filearg=disk_xml,
flagstrs=attach_option,
dargs=virsh_dargs)
libvirt.check_exit_status(cmd_result, status_error)
if vm.is_dead():
vm.start()
cmd_result = virsh.start(vm_name, **virsh_dargs)
libvirt.check_exit_status(cmd_result)
domain_operation = params.get("domain_operation", "")
if domain_operation == "save":
save_file = os.path.join(test.tmpdir, "vm.save")
cmd_result = virsh.save(vm_name, save_file, **virsh_dargs)
libvirt.check_exit_status(cmd_result)
cmd_result = virsh.restore(save_file)
libvirt.check_exit_status(cmd_result)
if os.path.exists(save_file):
os.remove(save_file)
elif domain_operation == "snapshot":
# Run snapshot related commands: snapshot-create-as, snapshot-list
# snapshot-info, snapshot-dumpxml, snapshot-create
snapshot_name1 = "snap1"
snapshot_name2 = "snap2"
cmd_result = virsh.snapshot_create_as(vm_name, snapshot_name1,
**virsh_dargs)
libvirt.check_exit_status(cmd_result)
cmd_result = virsh.snapshot_list(vm_name, **virsh_dargs)
libvirt.check_exit_status(cmd_result)
cmd_result = virsh.snapshot_info(vm_name, snapshot_name1,
**virsh_dargs)
libvirt.check_exit_status(cmd_result)
cmd_result = virsh.snapshot_dumpxml(vm_name, snapshot_name1,
**virsh_dargs)
libvirt.check_exit_status(cmd_result)
cmd_result = virsh.snapshot_create(vm_name, **virsh_dargs)
libvirt.check_exit_status(cmd_result)
cmd_result = virsh.snapshot_current(vm_name, **virsh_dargs)
libvirt.check_exit_status(cmd_result)
sn_create_op = "%s --disk_ony %s" % (snapshot_name2, disk_target)
cmd_result = virsh.snapshot_create_as(vm_name, sn_create_op,
**virsh_dargs)
libvirt.check_exit_status(cmd_result)
cmd_result = virsh.snapshot_revert(vm_name, snapshot_name1,
**virsh_dargs)
cmd_result = virsh.snapshot_list(vm_name, **virsh_dargs)
libvirt.check_exit_status(cmd_result)
cmd_result = virsh.snapshot_delete(vm_name, snapshot_name2,
**virsh_dargs)
libvirt.check_exit_status(cmd_result)
pass
else:
logging.error("Unsupport operation %s in this case, so skip it",
domain_operation)
def find_attach_disk(expect=True):
"""
Find attached disk inside the VM
"""
found_disk = False
if vm.is_dead():
raise error.TestError("Domain %s is not running" % vm_name)
else:
try:
session = vm.wait_for_login()
cmd = "grep %s /proc/partitions" % disk_target
s, o = session.cmd_status_output(cmd)
logging.info("%s output: %s", cmd, o)
session.close()
if s == 0:
found_disk = True
except (LoginError, VMError, ShellError), e:
logging.error(str(e))
if found_disk == expect:
logging.debug("Check disk inside the VM PASS as expected")
else:
raise error.TestError("Check disk inside the VM FAIL")
# Check disk inside the VM, expect is False if status_error=True
find_attach_disk(not status_error)
# Detach disk
cmd_result = virsh.detach_disk(vm_name, disk_target)
libvirt.check_exit_status(cmd_result, status_error)
# Check disk inside the VM
find_attach_disk(False)
def run(test, params, env):
"""
Test snapshot handling
1) Verify that guest does not have any snapshot (snapshot-list)
2) Create snapshot hierarchy (snapshot-create, snapshot-current)
3) Check snapshot hierarchy (snapshot-info)
4) Test snapshot switching (snapshot-revert)
5) Remove all snapshots (snapshot-delete)
"""
def remove_snapshots(vm):
remove_failed = 0
snaps = virsh.snapshot_list(vm)
for snap in snaps:
try:
virsh.snapshot_delete(vm, snap)
except error.CmdError:
logging.debug("Can not remove snapshot %s.", snap)
remove_failed = remove_failed + 1
return remove_failed
def test_file(session, filename, result):
if filename is None:
return
cmd = "ls %s" % filename
rv = session.cmd_status(cmd)
if rv != result:
raise error.TestFail("Failed file existence test - %s" % filename)
def handle_error(errorstr, vm):
rf = remove_snapshots(vm)
if rf == 0:
raise error.TestFail(errorstr)
else:
raise error.TestFail("%s (Failed to remove %d snapshots)" %
(errorstr, rf))
def normalize_state(domstate):
if domstate in ["offline", "shutoff", "shut off"]:
return "shutoff"
elif domstate in ["online", "running"]:
return "running"
elif domstate in ["paused"]:
return "paused"
else:
return domstate
def check_info(i1, i2, errorstr="Values differ"):
if normalize_state(i1) != normalize_state(i2):
error.TestFail("%s (%s != %s)" % (errorstr, i1, i2))
vm_name = params.get("main_vm")
offline = (params.get("snapshot_shutdown", "no") == "yes")
vm = env.get_vm(vm_name)
snapshot_halt = ("yes" == params.get("snapshot_halt", "no"))
logging.info("Verify that no snapshot exist for %s", vm_name)
snl = virsh.snapshot_list(vm_name)
if len(snl) != 0:
if bool(remove_snapshots(vm_name)):
raise error.TestFail("Snapshot on guest can not be removed.")
logging.info("Create snapshot hierarchy for %s", vm_name)
snapshot_info = [{
"Domain": vm_name,
"State": normalize_state("running"),
"Children": "1",
"Descendants": "3",
"to_create": None,
"to_delete": None
}, {
"Domain": vm_name,
"State": normalize_state("paused"),
"Children": "1",
"Descendants": "2",
"to_create": "/root/sn1",
"to_delete": None
}, {
"Domain": vm_name,
"State": normalize_state("running"),
"Children": "1",
"Descendants": "1",
"to_create": "/root/sn2",
"to_delete": None
}, {
"Domain": vm_name,
"State": normalize_state("paused"),
"Children": "0",
"Descendants": "0",
"to_create": None,
"to_delete": "/root/sn1"
}]
last_snapshot = None
options = ""
if snapshot_halt:
options += " --halt"
for sni in snapshot_info:
sni["Parent"] = last_snapshot
session = vm.wait_for_login()
if sni["to_create"] is not None:
session.cmd("touch %s" % sni["to_create"])
if sni["to_delete"] is not None:
session.cmd("rm -rf %s" % sni["to_delete"])
if offline:
sni["State"] = normalize_state("shutoff")
vm.shutdown()
elif sni["State"] == normalize_state("paused"):
vm.pause()
snapshot_result = virsh.snapshot_create(vm_name, options)
if snapshot_result.exit_status:
raise error.TestFail("Failed to create snapshot. Error:%s." %
snapshot_result.stderr.strip())
if ((snapshot_halt) and (not vm.is_dead())):
raise error.TestFail("VM is not dead after virsh.snapshot_create"
"with '--halt'")
if snapshot_halt:
vm.start()
last_snapshot = re.search("\d+",
snapshot_result.stdout.strip()).group(0)
sni["Name"] = last_snapshot
if sni["State"] == normalize_state("paused"):
vm.resume()
elif sni["State"] == normalize_state("shutoff"):
vm.start()
session.close()
logging.info("Snapshot %s created" % last_snapshot)
logging.info("Check snapshot hierarchy")
for sni in snapshot_info:
try:
infos = virsh.snapshot_info(vm_name, sni["Name"])
check_info(infos["Name"], sni["Name"], "Incorrect snapshot name")
check_info(infos["Domain"], sni["Domain"], "Incorrect domain name")
check_info(infos["State"], sni["State"],
"Incorrect snapshot state")
check_info(infos["Parent"], sni["Parent"],
"Incorrect snapshot parent")
check_info(infos["Children"], sni["Children"],
"Incorrect children count")
check_info(infos["Descendants"], sni["Descendants"],
"Incorrect descendants count")
except error.CmdError:
handle_error("Failed getting snapshots info", vm_name)
except error.TestFail, e:
handle_error(str(e), vm_name)
logging.info("Snapshot %s verified", sni["Name"])
def run(test, params, env):
"""
Attach/Detach an iscsi network/volume disk to domain
1. For secret usage testing:
1.1. Setup an iscsi target with CHAP authentication.
1.2. Define a secret for iscsi target usage
1.3. Set secret value
2. Create
4. Create an iscsi network disk XML
5. Attach disk with the XML file and check the disk inside the VM
6. Detach the disk
"""
vm_name = params.get("main_vm")
vm = env.get_vm(vm_name)
disk_device = params.get("disk_device", "disk")
disk_type = params.get("disk_type", "network")
disk_src_protocol = params.get("disk_source_protocol", "iscsi")
disk_src_host = params.get("disk_source_host", "127.0.0.1")
disk_src_port = params.get("disk_source_port", "3260")
disk_src_pool = params.get("disk_source_pool")
disk_src_mode = params.get("disk_source_mode", "host")
pool_type = params.get("pool_type", "iscsi")
pool_src_host = params.get("pool_source_host", "127.0.0.1")
disk_target = params.get("disk_target", "vdb")
disk_target_bus = params.get("disk_target_bus", "virtio")
disk_readonly = params.get("disk_readonly", "no")
chap_auth = "yes" == params.get("chap_auth", "no")
chap_user = params.get("chap_username", "")
chap_passwd = params.get("chap_password", "")
secret_usage_target = params.get("secret_usage_target")
secret_ephemeral = params.get("secret_ephemeral", "no")
secret_private = params.get("secret_private", "yes")
status_error = "yes" == params.get("status_error", "no")
# Indicate the PPC platform
on_ppc = False
if platform.platform().count('ppc64'):
on_ppc = True
if disk_src_protocol == 'iscsi':
if not libvirt_version.version_compare(1, 0, 4):
test.cancel("'iscsi' disk doesn't support in"
" current libvirt version.")
if disk_type == "volume":
if not libvirt_version.version_compare(1, 0, 5):
test.cancel("'volume' type disk doesn't support in"
" current libvirt version.")
# Back VM XML
vmxml_backup = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
virsh_dargs = {'debug': True, 'ignore_status': True}
try:
start_vm = "yes" == params.get("start_vm", "yes")
if start_vm:
if vm.is_dead():
vm.start()
vm.wait_for_login()
else:
if not vm.is_dead():
vm.destroy()
if chap_auth:
# Create a secret xml to define it
secret_xml = SecretXML(secret_ephemeral, secret_private)
secret_xml.auth_type = "chap"
secret_xml.auth_username = chap_user
secret_xml.usage = disk_src_protocol
secret_xml.target = secret_usage_target
with open(secret_xml.xml) as f:
logging.debug("Define secret by XML: %s", f.read())
# Define secret
cmd_result = virsh.secret_define(secret_xml.xml, **virsh_dargs)
libvirt.check_exit_status(cmd_result)
# Get secret uuid
try:
secret_uuid = cmd_result.stdout.strip().split()[1]
except IndexError:
test.error("Fail to get new created secret uuid")
# Set secret value
encoding = locale.getpreferredencoding()
secret_string = base64.b64encode(chap_passwd.encode(encoding)).decode(encoding)
cmd_result = virsh.secret_set_value(secret_uuid, secret_string,
**virsh_dargs)
libvirt.check_exit_status(cmd_result)
else:
# Set chap_user and chap_passwd to empty to avoid setup
# CHAP authentication when export iscsi target
chap_user = ""
chap_passwd = ""
# Setup iscsi target
iscsi_target, lun_num = libvirt.setup_or_cleanup_iscsi(is_setup=True,
is_login=False,
image_size='1G',
chap_user=chap_user,
chap_passwd=chap_passwd,
portal_ip=disk_src_host)
# Create iscsi pool
if disk_type == "volume":
# Create an iscsi pool xml to create it
pool_src_xml = pool_xml.SourceXML()
pool_src_xml.host_name = pool_src_host
pool_src_xml.device_path = iscsi_target
poolxml = pool_xml.PoolXML(pool_type=pool_type)
poolxml.name = disk_src_pool
poolxml.set_source(pool_src_xml)
poolxml.target_path = "/dev/disk/by-path"
# Create iscsi pool
cmd_result = virsh.pool_create(poolxml.xml, **virsh_dargs)
libvirt.check_exit_status(cmd_result)
def get_vol():
"""Get the volume info"""
# Refresh the pool
cmd_result = virsh.pool_refresh(disk_src_pool)
libvirt.check_exit_status(cmd_result)
# Get volume name
cmd_result = virsh.vol_list(disk_src_pool, **virsh_dargs)
libvirt.check_exit_status(cmd_result)
vol_list = []
vol_list = re.findall(r"(\S+)\ +(\S+)",
str(cmd_result.stdout.strip()))
if len(vol_list) > 1:
return vol_list[1]
else:
return None
# Wait for a while so that we can get the volume info
vol_info = utils_misc.wait_for(get_vol, 10)
if vol_info:
vol_name, vol_path = vol_info
else:
test.error("Failed to get volume info")
# Snapshot doesn't support raw disk format, create a qcow2 volume
# disk for snapshot operation.
process.run('qemu-img create -f qcow2 %s %s' % (vol_path, '100M'),
shell=True)
# Create iscsi network disk XML
disk_params = {'device_type': disk_device,
'type_name': disk_type,
'target_dev': disk_target,
'target_bus': disk_target_bus,
'readonly': disk_readonly}
disk_params_src = {}
if disk_type == "network":
disk_params_src = {'source_protocol': disk_src_protocol,
'source_name': iscsi_target + "/%s" % lun_num,
'source_host_name': disk_src_host,
'source_host_port': disk_src_port}
elif disk_type == "volume":
disk_params_src = {'source_pool': disk_src_pool,
'source_volume': vol_name,
'driver_type': 'qcow2',
'source_mode': disk_src_mode}
else:
test.cancel("Unsupport disk type in this test")
disk_params.update(disk_params_src)
if chap_auth:
disk_params_auth = {'auth_user': chap_user,
'secret_type': disk_src_protocol,
'secret_usage': secret_xml.target}
disk_params.update(disk_params_auth)
disk_xml = libvirt.create_disk_xml(disk_params)
attach_option = params.get("attach_option", "")
cmd_result = virsh.attach_device(domainarg=vm_name, filearg=disk_xml,
flagstr=attach_option,
dargs=virsh_dargs)
libvirt.check_exit_status(cmd_result, status_error)
if vm.is_dead():
cmd_result = virsh.start(vm_name, **virsh_dargs)
libvirt.check_exit_status(cmd_result)
# Wait for domain is stable
vm.wait_for_login().close()
domain_operation = params.get("domain_operation", "")
if domain_operation == "save":
save_file = os.path.join(data_dir.get_tmp_dir(), "vm.save")
cmd_result = virsh.save(vm_name, save_file, **virsh_dargs)
libvirt.check_exit_status(cmd_result)
cmd_result = virsh.restore(save_file)
libvirt.check_exit_status(cmd_result)
if os.path.exists(save_file):
os.remove(save_file)
elif domain_operation == "snapshot":
# Run snapshot related commands: snapshot-create-as, snapshot-list
# snapshot-info, snapshot-dumpxml, snapshot-create
snapshot_name1 = "snap1"
snapshot_name2 = "snap2"
cmd_result = virsh.snapshot_create_as(vm_name, snapshot_name1,
**virsh_dargs)
libvirt.check_exit_status(cmd_result)
try:
virsh.snapshot_list(vm_name, **virsh_dargs)
except process.CmdError:
test.fail("Failed getting snapshots list for %s" % vm_name)
try:
virsh.snapshot_info(vm_name, snapshot_name1, **virsh_dargs)
except process.CmdError:
test.fail("Failed getting snapshots info for %s" % vm_name)
cmd_result = virsh.snapshot_dumpxml(vm_name, snapshot_name1,
**virsh_dargs)
libvirt.check_exit_status(cmd_result)
cmd_result = virsh.snapshot_create(vm_name, **virsh_dargs)
libvirt.check_exit_status(cmd_result)
cmd_result = virsh.snapshot_current(vm_name, **virsh_dargs)
libvirt.check_exit_status(cmd_result)
snapshot_file = os.path.join(data_dir.get_tmp_dir(), snapshot_name2)
sn_create_op = ("%s --disk-only --diskspec %s,file=%s"
% (snapshot_name2, disk_target, snapshot_file))
cmd_result = virsh.snapshot_create_as(vm_name, sn_create_op,
**virsh_dargs)
libvirt.check_exit_status(cmd_result)
cmd_result = virsh.snapshot_revert(vm_name, snapshot_name1,
**virsh_dargs)
cmd_result = virsh.snapshot_list(vm_name, **virsh_dargs)
if snapshot_name2 not in cmd_result:
test.error("Snapshot %s not found" % snapshot_name2)
elif domain_operation == "":
logging.debug("No domain operation provided, so skip it")
else:
logging.error("Unsupport operation %s in this case, so skip it",
domain_operation)
def find_attach_disk(expect=True):
"""
Find attached disk inside the VM
"""
found_disk = False
if vm.is_dead():
test.error("Domain %s is not running" % vm_name)
else:
try:
session = vm.wait_for_login()
# Here the script needs wait for a while for the guest to
# recognize the hotplugged disk on PPC
if on_ppc:
time.sleep(10)
cmd = "grep %s /proc/partitions" % disk_target
s, o = session.cmd_status_output(cmd)
logging.info("%s output: %s", cmd, o)
session.close()
if s == 0:
found_disk = True
except (LoginError, VMError, ShellError) as e:
logging.error(str(e))
if found_disk == expect:
logging.debug("Check disk inside the VM PASS as expected")
else:
test.error("Check disk inside the VM FAIL")
# Check disk inside the VM, expect is False if status_error=True
find_attach_disk(not status_error)
# Detach disk
cmd_result = virsh.detach_disk(vm_name, disk_target)
libvirt.check_exit_status(cmd_result, status_error)
# Check disk inside the VM
find_attach_disk(False)
finally:
# Clean up snapshot
# Shut down before cleaning up snapshots
if vm.is_alive():
vm.destroy()
libvirt.clean_up_snapshots(vm_name, domxml=vmxml_backup)
# Restore vm
vmxml_backup.sync("--snapshots-metadata")
# Destroy pool and undefine secret, which may not exist
try:
if disk_type == "volume":
virsh.pool_destroy(disk_src_pool)
if chap_auth:
virsh.secret_undefine(secret_uuid)
except Exception:
pass
libvirt.setup_or_cleanup_iscsi(is_setup=False)
def run(test, params, env):
"""
Attach/Detach an iscsi network/volume disk to domain
1. For secret usage testing:
1.1. Setup an iscsi target with CHAP authentication.
1.2. Define a secret for iscsi target usage
1.3. Set secret value
2. Create
4. Create an iscsi network disk XML
5. Attach disk with the XML file and check the disk inside the VM
6. Detach the disk
"""
vm_name = params.get("main_vm")
vm = env.get_vm(vm_name)
disk_device = params.get("disk_device", "disk")
disk_type = params.get("disk_type", "network")
disk_src_protocol = params.get("disk_source_protocol", "iscsi")
disk_src_host = params.get("disk_source_host", "127.0.0.1")
disk_src_port = params.get("disk_source_port", "3260")
disk_src_pool = params.get("disk_source_pool")
disk_src_mode = params.get("disk_source_mode", "host")
pool_type = params.get("pool_type", "iscsi")
pool_src_host = params.get("pool_source_host", "127.0.0.1")
disk_target = params.get("disk_target", "vdb")
disk_target_bus = params.get("disk_target_bus", "virtio")
disk_readonly = params.get("disk_readonly", "no")
chap_auth = "yes" == params.get("chap_auth", "no")
chap_user = params.get("chap_username", "")
chap_passwd = params.get("chap_password", "")
secret_usage_target = params.get("secret_usage_target")
secret_ephemeral = params.get("secret_ephemeral", "no")
secret_private = params.get("secret_private", "yes")
status_error = "yes" == params.get("status_error", "no")
if disk_src_protocol == 'iscsi':
if not libvirt_version.version_compare(1, 0, 4):
raise error.TestNAError("'iscsi' disk doesn't support in" +
" current libvirt version.")
if disk_type == "volume":
if not libvirt_version.version_compare(1, 0, 5):
raise error.TestNAError("'volume' type disk doesn't support in" +
" current libvirt version.")
# Back VM XML
vmxml_backup = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
virsh_dargs = {'debug': True, 'ignore_status': True}
try:
if chap_auth:
# Create a secret xml to define it
secret_xml = SecretXML(secret_ephemeral, secret_private)
secret_xml.auth_type = "chap"
secret_xml.auth_username = chap_user
secret_xml.usage = disk_src_protocol
secret_xml.target = secret_usage_target
logging.debug("Define secret by XML: %s",
open(secret_xml.xml).read())
# Define secret
cmd_result = virsh.secret_define(secret_xml.xml, **virsh_dargs)
libvirt.check_exit_status(cmd_result)
# Get secret uuid
try:
secret_uuid = cmd_result.stdout.strip().split()[1]
except IndexError:
raise error.TestError("Fail to get new created secret uuid")
# Set secret value
secret_string = base64.b64encode(chap_passwd)
cmd_result = virsh.secret_set_value(secret_uuid, secret_string,
**virsh_dargs)
libvirt.check_exit_status(cmd_result)
else:
# Set chap_user and chap_passwd to empty to avoid setup
# CHAP authentication when export iscsi target
chap_user = ""
chap_passwd = ""
# Setup iscsi target
iscsi_target = libvirt.setup_or_cleanup_iscsi(is_setup=True,
is_login=False,
chap_user=chap_user,
chap_passwd=chap_passwd)
# Create iscsi pool
if disk_type == "volume":
# Create an iscsi pool xml to create it
pool_src_xml = pool_xml.SourceXML()
pool_src_xml.host_name = pool_src_host
pool_src_xml.device_path = iscsi_target
poolxml = pool_xml.PoolXML(pool_type=pool_type)
poolxml.name = disk_src_pool
poolxml.set_source(pool_src_xml)
poolxml.target_path = "/dev/disk/by-path"
# Create iscsi pool
cmd_result = virsh.pool_create(poolxml.xml, **virsh_dargs)
libvirt.check_exit_status(cmd_result)
# Get volume name
cmd_result = virsh.vol_list(disk_src_pool, **virsh_dargs)
libvirt.check_exit_status(cmd_result)
try:
vol_name = re.findall(r"(\S+)\ +(\S+)[\ +\n]",
str(cmd_result.stdout))[1][0]
except IndexError:
raise error.TestError("Fail to get volume name")
# Create iscsi network disk XML
disk_params = {
'device_type': disk_device,
'type_name': disk_type,
'target_dev': disk_target,
'target_bus': disk_target_bus,
'readonly': disk_readonly
}
disk_params_src = {}
if disk_type == "network":
disk_params_src = {
'source_protocol': disk_src_protocol,
'source_name': iscsi_target + "/1",
'source_host_name': disk_src_host,
'source_host_port': disk_src_port
}
elif disk_type == "volume":
disk_params_src = {
'source_pool': disk_src_pool,
'source_volume': vol_name,
'source_mode': disk_src_mode
}
else:
error.TestNAError("Unsupport disk type in this test")
disk_params.update(disk_params_src)
if chap_auth:
disk_params_auth = {
'auth_user': chap_user,
'secret_type': disk_src_protocol,
'secret_usage': secret_xml.target
}
disk_params.update(disk_params_auth)
disk_xml = libvirt.create_disk_xml(disk_params)
start_vm = "yes" == params.get("start_vm", "yes")
if start_vm:
if vm.is_dead():
vm.start()
else:
if not vm.is_dead():
vm.destroy()
attach_option = params.get("attach_option", "")
disk_xml_f = open(disk_xml)
disk_xml_content = disk_xml_f.read()
disk_xml_f.close()
logging.debug("Attach disk by XML: %s", disk_xml_content)
cmd_result = virsh.attach_device(domainarg=vm_name,
filearg=disk_xml,
flagstr=attach_option,
dargs=virsh_dargs)
libvirt.check_exit_status(cmd_result, status_error)
if vm.is_dead():
cmd_result = virsh.start(vm_name, **virsh_dargs)
libvirt.check_exit_status(cmd_result)
domain_operation = params.get("domain_operation", "")
if domain_operation == "save":
save_file = os.path.join(test.tmpdir, "vm.save")
cmd_result = virsh.save(vm_name, save_file, **virsh_dargs)
libvirt.check_exit_status(cmd_result)
cmd_result = virsh.restore(save_file)
libvirt.check_exit_status(cmd_result)
if os.path.exists(save_file):
os.remove(save_file)
elif domain_operation == "snapshot":
# Run snapshot related commands: snapshot-create-as, snapshot-list
# snapshot-info, snapshot-dumpxml, snapshot-create
snapshot_name1 = "snap1"
snapshot_name2 = "snap2"
cmd_result = virsh.snapshot_create_as(vm_name, snapshot_name1,
**virsh_dargs)
libvirt.check_exit_status(cmd_result)
cmd_result = virsh.snapshot_list(vm_name, **virsh_dargs)
libvirt.check_exit_status(cmd_result)
cmd_result = virsh.snapshot_info(vm_name, snapshot_name1,
**virsh_dargs)
libvirt.check_exit_status(cmd_result)
cmd_result = virsh.snapshot_dumpxml(vm_name, snapshot_name1,
**virsh_dargs)
libvirt.check_exit_status(cmd_result)
cmd_result = virsh.snapshot_create(vm_name, **virsh_dargs)
libvirt.check_exit_status(cmd_result)
cmd_result = virsh.snapshot_current(vm_name, **virsh_dargs)
libvirt.check_exit_status(cmd_result)
sn_create_op = "%s --disk_ony %s" % (snapshot_name2, disk_target)
cmd_result = virsh.snapshot_create_as(vm_name, sn_create_op,
**virsh_dargs)
libvirt.check_exit_status(cmd_result)
cmd_result = virsh.snapshot_revert(vm_name, snapshot_name1,
**virsh_dargs)
cmd_result = virsh.snapshot_list(vm_name, **virsh_dargs)
libvirt.check_exit_status(cmd_result)
cmd_result = virsh.snapshot_delete(vm_name, snapshot_name2,
**virsh_dargs)
libvirt.check_exit_status(cmd_result)
pass
else:
logging.error("Unsupport operation %s in this case, so skip it",
domain_operation)
def find_attach_disk(expect=True):
"""
Find attached disk inside the VM
"""
found_disk = False
if vm.is_dead():
raise error.TestError("Domain %s is not running" % vm_name)
else:
try:
session = vm.wait_for_login()
cmd = "grep %s /proc/partitions" % disk_target
s, o = session.cmd_status_output(cmd)
logging.info("%s output: %s", cmd, o)
session.close()
if s == 0:
found_disk = True
except (LoginError, VMError, ShellError), e:
logging.error(str(e))
if found_disk == expect:
logging.debug("Check disk inside the VM PASS as expected")
else:
raise error.TestError("Check disk inside the VM FAIL")
# Check disk inside the VM, expect is False if status_error=True
find_attach_disk(not status_error)
# Detach disk
cmd_result = virsh.detach_disk(vm_name, disk_target)
libvirt.check_exit_status(cmd_result, status_error)
# Check disk inside the VM
find_attach_disk(False)
def run(test, params, env):
"""
Test snapshot handling
1) Verify that guest does not have any snapshot (snapshot-list)
2) Create snapshot hierarchy (snapshot-create, snapshot-current)
3) Check snapshot hierarchy (snapshot-info)
4) Test snapshot switching (snapshot-revert)
5) Remove all snapshots (snapshot-delete)
"""
def remove_snapshots(vm):
remove_failed = 0
snaps = virsh.snapshot_list(vm)
for snap in snaps:
try:
virsh.snapshot_delete(vm, snap)
except error.CmdError:
logging.debug("Can not remove snapshot %s.", snaps)
remove_failed = remove_failed + 1
return remove_failed
def test_file(session, filename, result):
if filename is None:
return
cmd = "ls %s" % filename
rv = session.cmd_status(cmd)
if rv != result:
raise error.TestFail("Failed file existence test - %s" % filename)
def handle_error(errorstr, vm):
rf = remove_snapshots(vm)
if rf == 0:
raise error.TestFail(errorstr)
else:
raise error.TestFail("%s (Failed to remove %d snapshots)"
% (errorstr, rf))
def normalize_state(domstate):
if domstate in ["offline", "shutoff", "shut off"]:
return "shutoff"
elif domstate in ["online", "running"]:
return "running"
elif domstate in ["paused"]:
return "paused"
else:
return domstate
def check_info(i1, i2, errorstr="Values differ"):
if normalize_state(i1) != normalize_state(i2):
error.TestFail("%s (%s != %s)" % (errorstr, i1, i2))
vm_name = params.get("main_vm")
offline = (params.get("snapshot_shutdown", "no") == "yes")
vm = env.get_vm(vm_name)
snapshot_halt = ("yes" == params.get("snapshot_halt", "no"))
logging.info("Verify that no snapshot exist for %s", vm_name)
snl = virsh.snapshot_list(vm_name)
if len(snl) != 0:
if bool(remove_snapshots(vm_name)):
raise error.TestFail("Snapshot on guest can not be removed.")
logging.info("Create snapshot hierarchy for %s", vm_name)
snapshot_info = [{"Domain": vm_name, "State": normalize_state("running"),
"Children": "1", "Descendants": "3", "to_create": None,
"to_delete": None},
{"Domain": vm_name, "State": normalize_state("paused"),
"Children": "1", "Descendants": "2",
"to_create": "/root/sn1", "to_delete": None},
{"Domain": vm_name, "State": normalize_state("running"),
"Children": "1", "Descendants": "1",
"to_create": "/root/sn2", "to_delete": None},
{"Domain": vm_name, "State": normalize_state("paused"),
"Children": "0", "Descendants": "0", "to_create": None,
"to_delete": "/root/sn1"}]
last_snapshot = None
options = ""
if snapshot_halt:
options += " --halt"
for sni in snapshot_info:
sni["Parent"] = last_snapshot
session = vm.wait_for_login()
if sni["to_create"] is not None:
session.cmd("touch %s" % sni["to_create"])
if sni["to_delete"] is not None:
session.cmd("rm -rf %s" % sni["to_delete"])
if offline:
sni["State"] = normalize_state("shutoff")
vm.shutdown()
elif sni["State"] == normalize_state("paused"):
vm.pause()
snapshot_result = virsh.snapshot_create(vm_name, options)
if snapshot_result.exit_status:
raise error.TestFail("Failed to create snapshot. Error:%s."
% snapshot_result.stderr.strip())
if ((snapshot_halt) and (not vm.is_dead())):
raise error.TestFail("VM is not dead after virsh.snapshot_create"
"with '--halt'")
if snapshot_halt:
vm.start()
last_snapshot = re.search(
"\d+", snapshot_result.stdout.strip()).group(0)
sni["Name"] = last_snapshot
if sni["State"] == normalize_state("paused"):
vm.resume()
elif sni["State"] == normalize_state("shutoff"):
vm.start()
session.close()
logging.info("Snapshot %s created" % last_snapshot)
logging.info("Check snapshot hierarchy")
for sni in snapshot_info:
try:
infos = virsh.snapshot_info(vm_name, sni["Name"])
check_info(infos["Name"], sni["Name"], "Incorrect snapshot name")
check_info(infos["Domain"], sni["Domain"], "Incorrect domain name")
check_info(infos["State"], sni[
"State"], "Incorrect snapshot state")
check_info(infos["Parent"], sni["Parent"],
"Incorrect snapshot parent")
check_info(infos["Children"], sni["Children"],
"Incorrect children count")
check_info(infos["Descendants"], sni["Descendants"],
"Incorrect descendants count")
except error.CmdError:
handle_error("Failed getting snapshots info", vm_name)
except error.TestFail, e:
handle_error(str(e), vm_name)
logging.info("Snapshot %s verified", sni["Name"])
