def start(self):
"""
Starts this VM.
"""
self.uuid = virsh.domuuid(self.name, uri=self.connect_uri)
# Pull in mac addresses from libvirt guest definition
for index, nic in enumerate(self.virtnet):
try:
mac = self.get_virsh_mac_address(index)
if not nic.has_key('mac'):
logging.debug("Updating nic %d with mac %s on vm %s"
% (index, mac, self.name))
nic.mac = mac
elif nic.mac != mac:
logging.warning("Requested mac %s doesn't match mac %s "
"as defined for vm %s" % (nic.mac, mac,
self.name))
#TODO: Checkout/Set nic_model, nettype, netdst also
except virt_vm.VMMACAddressMissingError:
logging.warning("Nic %d requested by test but not defined for"
" vm %s" % (index, self.name))
if virsh.start(self.name, uri=self.connect_uri):
# Wait for the domain to be created
has_started = utils_misc.wait_for(func=self.is_alive, timeout=60,
text=("waiting for domain %s "
"to start" % self.name))
if has_started is None:
raise virt_vm.VMStartError(self.name, "libvirt domain not "
"active after start")
self.uuid = virsh.domuuid(self.name, uri=self.connect_uri)
else:
raise virt_vm.VMStartError(self.name, "libvirt domain failed "
"to start")
def start(self):
"""
Starts this VM.
"""
self.uuid = virsh.domuuid(self.name, uri=self.connect_uri)
# Pull in mac addresses from libvirt guest definition
for index, nic in enumerate(self.virtnet):
try:
mac = self.get_virsh_mac_address(index)
if not nic.has_key("mac"):
logging.debug("Updating nic %d with mac %s on vm %s" % (index, mac, self.name))
nic.mac = mac
elif nic.mac != mac:
logging.warning(
"Requested mac %s doesn't match mac %s " "as defined for vm %s" % (nic.mac, mac, self.name)
)
# TODO: Checkout/Set nic_model, nettype, netdst also
except virt_vm.VMMACAddressMissingError:
logging.warning("Nic %d requested by test but not defined for" " vm %s" % (index, self.name))
if virsh.start(self.name, uri=self.connect_uri):
# Wait for the domain to be created
has_started = utils_misc.wait_for(
func=self.is_alive, timeout=60, text=("waiting for domain %s " "to start" % self.name)
)
if has_started is None:
raise virt_vm.VMStartError(self.name, "libvirt domain not " "active after start")
self.uuid = virsh.domuuid(self.name, uri=self.connect_uri)
else:
raise virt_vm.VMStartError(self.name, "libvirt domain failed " "to start")
def get_uuid(self):
"""
Return VM's UUID.
"""
uuid = virsh.domuuid(self.name, uri=self.connect_uri)
# only overwrite it if it's not set
if self.uuid is None:
self.uuid = uuid
return self.uuid
def get_uuid(self):
"""
Return VM's UUID.
"""
uuid = virsh.domuuid(self.name, uri=self.connect_uri)
# only overwrite it if it's not set
if self.uuid is None:
self.uuid = uuid
return self.uuid
def create(self, name=None, params=None, root_dir=None, timeout=5.0, migration_mode=None, mac_source=None):
"""
Start the VM by running a qemu command.
All parameters are optional. If name, params or root_dir are not
supplied, the respective values stored as class attributes are used.
@param name: The name of the object
@param params: A dict containing VM params
@param root_dir: Base directory for relative filenames
@param migration_mode: If supplied, start VM for incoming migration
using this protocol (either 'tcp', 'unix' or 'exec')
@param migration_exec_cmd: Command to embed in '-incoming "exec: ..."'
(e.g. 'gzip -c -d filename') if migration_mode is 'exec'
@param mac_source: A VM object from which to copy MAC addresses. If not
specified, new addresses will be generated.
@raise VMCreateError: If qemu terminates unexpectedly
@raise VMKVMInitError: If KVM initialization fails
@raise VMHugePageError: If hugepage initialization fails
@raise VMImageMissingError: If a CD image is missing
@raise VMHashMismatchError: If a CD image hash has doesn't match the
expected hash
@raise VMBadPATypeError: If an unsupported PCI assignment type is
requested
@raise VMPAError: If no PCI assignable devices could be assigned
"""
error.context("creating '%s'" % self.name)
self.destroy(free_mac_addresses=False)
if name is not None:
self.name = name
if params is not None:
self.params = params
if root_dir is not None:
self.root_dir = root_dir
name = self.name
params = self.params
root_dir = self.root_dir
# Verify the md5sum of the ISO images
for cdrom in params.objects("cdroms"):
if params.get("medium") == "import":
break
cdrom_params = params.object_params(cdrom)
iso = cdrom_params.get("cdrom")
if (
(self.driver_type == "xen")
and (params.get("hvm_or_pv") == "pv")
and (os.path.basename(iso) == "ks.iso")
):
continue
if iso:
iso = utils_misc.get_path(data_dir.get_data_dir(), iso)
if not os.path.exists(iso):
raise virt_vm.VMImageMissingError(iso)
compare = False
if cdrom_params.get("md5sum_1m"):
logging.debug("Comparing expected MD5 sum with MD5 sum of " "first MB of ISO file...")
actual_hash = utils.hash_file(iso, 1048576, method="md5")
expected_hash = cdrom_params.get("md5sum_1m")
compare = True
elif cdrom_params.get("md5sum"):
logging.debug("Comparing expected MD5 sum with MD5 sum of " "ISO file...")
actual_hash = utils.hash_file(iso, method="md5")
expected_hash = cdrom_params.get("md5sum")
compare = True
elif cdrom_params.get("sha1sum"):
logging.debug("Comparing expected SHA1 sum with SHA1 sum " "of ISO file...")
actual_hash = utils.hash_file(iso, method="sha1")
expected_hash = cdrom_params.get("sha1sum")
compare = True
if compare:
if actual_hash == expected_hash:
logging.debug("Hashes match")
else:
raise virt_vm.VMHashMismatchError(actual_hash, expected_hash)
# Make sure the following code is not executed by more than one thread
# at the same time
lockfile = open("/tmp/libvirt-autotest-vm-create.lock", "w+")
fcntl.lockf(lockfile, fcntl.LOCK_EX)
try:
# Handle port redirections
redir_names = params.objects("redirs")
host_ports = utils_misc.find_free_ports(5000, 6000, len(redir_names))
self.redirs = {}
for i in range(len(redir_names)):
redir_params = params.object_params(redir_names[i])
guest_port = int(redir_params.get("guest_port"))
self.redirs[guest_port] = host_ports[i]
# Find available PCI devices
self.pci_devices = []
for device in params.objects("pci_devices"):
self.pci_devices.append(device)
# Find available VNC port, if needed
if params.get("display") == "vnc":
if params.get("vnc_autoport") == "yes":
self.vnc_port = None
self.vnc_autoport = True
else:
self.vnc_port = utils_misc.find_free_port(5900, 6100)
self.vnc_autoport = False
# Find available spice port, if needed
if params.get("spice"):
self.spice_port = utils_misc.find_free_port(8000, 8100)
# Find random UUID if specified 'uuid = random' in config file
if params.get("uuid") == "random":
f = open("/proc/sys/kernel/random/uuid")
self.uuid = f.read().strip()
f.close()
# Generate or copy MAC addresses for all NICs
for nic in self.virtnet:
nic_params = dict(nic)
if mac_source:
# Will raise exception if source doesn't
# have cooresponding nic
logging.debug("Copying mac for nic %s from VM %s" % (nic.nic_name, mac_source.nam))
nic_params["mac"] = mac_source.get_mac_address(nic.nic_name)
# make_create_command() calls vm.add_nic (i.e. on a copy)
nic = self.add_nic(**nic_params)
logging.debug("VM.create activating nic %s" % nic)
self.activate_nic(nic.nic_name)
# Make qemu command
install_command = self.make_create_command()
logging.info("Running libvirt command (reformatted):")
for item in install_command.replace(" -", " \n -").splitlines():
logging.info("%s", item)
utils.run(install_command, verbose=False)
# Wait for the domain to be created
utils_misc.wait_for(func=self.is_alive, timeout=60, text=("waiting for domain %s to start" % self.name))
self.uuid = virsh.domuuid(self.name, uri=self.connect_uri)
# Establish a session with the serial console
if self.only_pty == True:
self.serial_console = aexpect.ShellSession(
"virsh console %s" % self.name,
auto_close=False,
output_func=utils_misc.log_line,
output_params=("serial-%s.log" % name,),
)
else:
self.serial_console = aexpect.ShellSession(
"tail -f %s" % self.get_serial_console_filename(),
auto_close=False,
output_func=utils_misc.log_line,
output_params=("serial-%s.log" % name,),
)
finally:
fcntl.lockf(lockfile, fcntl.LOCK_UN)
lockfile.close()
def create(self, name=None, params=None, root_dir=None, timeout=5.0,
migration_mode=None, mac_source=None):
"""
Start the VM by running a qemu command.
All parameters are optional. If name, params or root_dir are not
supplied, the respective values stored as class attributes are used.
@param name: The name of the object
@param params: A dict containing VM params
@param root_dir: Base directory for relative filenames
@param migration_mode: If supplied, start VM for incoming migration
using this protocol (either 'tcp', 'unix' or 'exec')
@param migration_exec_cmd: Command to embed in '-incoming "exec: ..."'
(e.g. 'gzip -c -d filename') if migration_mode is 'exec'
@param mac_source: A VM object from which to copy MAC addresses. If not
specified, new addresses will be generated.
@raise VMCreateError: If qemu terminates unexpectedly
@raise VMKVMInitError: If KVM initialization fails
@raise VMHugePageError: If hugepage initialization fails
@raise VMImageMissingError: If a CD image is missing
@raise VMHashMismatchError: If a CD image hash has doesn't match the
expected hash
@raise VMBadPATypeError: If an unsupported PCI assignment type is
requested
@raise VMPAError: If no PCI assignable devices could be assigned
"""
error.context("creating '%s'" % self.name)
self.destroy(free_mac_addresses=False)
if name is not None:
self.name = name
if params is not None:
self.params = params
if root_dir is not None:
self.root_dir = root_dir
name = self.name
params = self.params
root_dir = self.root_dir
# Verify the md5sum of the ISO images
for cdrom in params.objects("cdroms"):
if params.get("medium") == "import":
break
cdrom_params = params.object_params(cdrom)
iso = cdrom_params.get("cdrom")
if ((self.driver_type == 'xen') and
(params.get('hvm_or_pv') == 'pv') and
(os.path.basename(iso) == 'ks.iso')):
continue
if iso:
iso = utils_misc.get_path(data_dir.get_data_dir(), iso)
if not os.path.exists(iso):
raise virt_vm.VMImageMissingError(iso)
compare = False
if cdrom_params.get("md5sum_1m"):
logging.debug("Comparing expected MD5 sum with MD5 sum of "
"first MB of ISO file...")
actual_hash = utils.hash_file(iso, 1048576, method="md5")
expected_hash = cdrom_params.get("md5sum_1m")
compare = True
elif cdrom_params.get("md5sum"):
logging.debug("Comparing expected MD5 sum with MD5 sum of "
"ISO file...")
actual_hash = utils.hash_file(iso, method="md5")
expected_hash = cdrom_params.get("md5sum")
compare = True
elif cdrom_params.get("sha1sum"):
logging.debug("Comparing expected SHA1 sum with SHA1 sum "
"of ISO file...")
actual_hash = utils.hash_file(iso, method="sha1")
expected_hash = cdrom_params.get("sha1sum")
compare = True
if compare:
if actual_hash == expected_hash:
logging.debug("Hashes match")
else:
raise virt_vm.VMHashMismatchError(actual_hash,
expected_hash)
# Make sure the following code is not executed by more than one thread
# at the same time
lockfile = open("/tmp/libvirt-autotest-vm-create.lock", "w+")
fcntl.lockf(lockfile, fcntl.LOCK_EX)
try:
# Handle port redirections
redir_names = params.objects("redirs")
host_ports = utils_misc.find_free_ports(5000, 6000, len(redir_names))
self.redirs = {}
for i in range(len(redir_names)):
redir_params = params.object_params(redir_names[i])
guest_port = int(redir_params.get("guest_port"))
self.redirs[guest_port] = host_ports[i]
# Find available PCI devices
self.pci_devices = []
for device in params.objects("pci_devices"):
self.pci_devices.append(device)
# Find available VNC port, if needed
if params.get("display") == "vnc":
if params.get("vnc_autoport") == "yes":
self.vnc_port = None
self.vnc_autoport = True
else:
self.vnc_port = utils_misc.find_free_port(5900, 6100)
self.vnc_autoport = False
# Find available spice port, if needed
if params.get("spice"):
self.spice_port = utils_misc.find_free_port(8000, 8100)
# Find random UUID if specified 'uuid = random' in config file
if params.get("uuid") == "random":
f = open("/proc/sys/kernel/random/uuid")
self.uuid = f.read().strip()
f.close()
# Generate or copy MAC addresses for all NICs
for nic in self.virtnet:
nic_params = dict(nic)
if mac_source:
# Will raise exception if source doesn't
# have cooresponding nic
logging.debug("Copying mac for nic %s from VM %s"
% (nic.nic_name, mac_source.nam))
nic_params['mac'] = mac_source.get_mac_address(nic.nic_name)
# make_create_command() calls vm.add_nic (i.e. on a copy)
nic = self.add_nic(**nic_params)
logging.debug('VM.create activating nic %s' % nic)
self.activate_nic(nic.nic_name)
# Make qemu command
install_command = self.make_create_command()
logging.info("Running libvirt command (reformatted):")
for item in install_command.replace(" -", " \n -").splitlines():
logging.info("%s", item)
utils.run(install_command, verbose=False)
# Wait for the domain to be created
utils_misc.wait_for(func=self.is_alive, timeout=60,
text=("waiting for domain %s to start" %
self.name))
self.uuid = virsh.domuuid(self.name, uri=self.connect_uri)
# Establish a session with the serial console
if self.only_pty == True:
self.serial_console = aexpect.ShellSession(
"virsh console %s" % self.name,
auto_close=False,
output_func=utils_misc.log_line,
output_params=("serial-%s.log" % name,))
else:
self.serial_console = aexpect.ShellSession(
"tail -f %s" % self.get_serial_console_filename(),
auto_close=False,
output_func=utils_misc.log_line,
output_params=("serial-%s.log" % name,))
finally:
fcntl.lockf(lockfile, fcntl.LOCK_UN)
lockfile.close()
def get_uuid(self):
"""
Return VM's UUID.
"""
return virsh.domuuid(self.name, uri=self.connect_uri)
def get_uuid(self):
"""
Return VM's UUID.
"""
return virsh.domuuid(self.name, uri=self.connect_uri)