class TestFreezer:
"""
Tests the freezer.state cgroup functionality. (it freezes the guest
and unfreeze it again)
"""
def __init__(self, vms, modules):
"""
Initialization
@param vms: list of vms
@param modules: initialized cgroup module class
"""
self.vm = vms[0] # Virt machines
self.modules = modules # cgroup module handler
self.cgroup = Cgroup('freezer', '') # cgroup blkio handler
self.files = None # Temporary files (files of virt disks)
self.devices = None # Temporary virt devices
def cleanup(self):
""" Cleanup """
err = ""
try:
self.cgroup.set_property('freezer.state', 'THAWED',
self.cgroup.cgroups[0])
except Exception, failure_detail:
err += "\nCan't unfreeze vm: %s" % failure_detail
try:
_ = self.vm.wait_for_login(timeout=30)
_.cmd('rm -f /tmp/freeze-lock')
_.close()
except Exception, failure_detail:
err += "\nCan't stop the stresses."
def __init__(self, vms, modules):
"""
Initialization
@param vms: list of vms
@param modules: initialized cgroup module class
"""
self.vm = vms[0] # Virt machines
self.modules = modules # cgroup module handler
self.cgroup = Cgroup('freezer', '') # cgroup blkio handler
self.files = None # Temporary files (files of virt disks)
self.devices = None # Temporary virt devices
