On Wed, 2009-12-02 at 08:59 +0530, sudhir kumar wrote:
> On Wed, Dec 2, 2009 at 7:51 AM, Yolkfull Chow <yzhou@xxxxxxxxxx> wrote:
> >
> > Looks good for me. Thanks Lucas for improving this test.
> >
> > Sudhir, what do you think about this? :)
> Needs couple of hours before I go through the patch. I will post my
> comments by today. Also would like to give a quick run for windows
> guests which are more prone to break :) Thanks Lucas for the effort.
Thanks guys,
I've found some bugs on the version I sent to the mailing list, the bugs
were fixed and now the test looks like this - please review this
version!
import re, string, logging
from autotest_lib.client.common_lib import error
import kvm_test_utils, kvm_utils
def run_physical_resources_check(test, params, env):
"""
Check physical resources assigned to KVM virtual machines:
1) Log into the guest
2) Verify whether cpu counts ,memory size, nics' model,
count and drives' format & count, drive_serial, UUID
reported by the guest OS matches what has been assigned
to the VM (qemu command line)
3) Verify all MAC addresses for guest NICs
@param test: kvm test object
@param params: Dictionary with the test parameters
@param env: Dictionary with test environment.
"""
vm = kvm_test_utils.get_living_vm(env, params.get("main_vm"))
session = kvm_test_utils.wait_for_login(vm)
logging.info("Starting physical resources check test")
logging.info("Values assigned to VM are the values we expect "
"to see reported by the Operating System")
# Define a failure counter, as we want to check all physical
# resources to know which checks passed and which ones failed
n_fail = 0
# Check cpu count
logging.info("CPU count check")
expected_cpu_nr = int(params.get("smp"))
actual_cpu_nr = vm.get_cpu_count()
if expected_cpu_nr != actual_cpu_nr:
n_fail += 1
logging.error("CPU count mismatch:")
logging.error(" Assigned to VM: %s" % expected_cpu_nr)
logging.error(" Reported by OS: %s" % actual_cpu_nr)
# Check memory size
logging.info("Memory size check")
expected_mem = int(params.get("mem"))
actual_mem = vm.get_memory_size()
if actual_mem != expected_mem:
n_fail += 1
logging.error("Memory size mismatch:")
logging.error(" Assigned to VM: %s" % expected_mem)
logging.error(" Reported by OS: %s" % actual_mem)
# Define a function for checking number of hard drivers & NICs
def check_num(devices, cmd, check_str):
f_fail = 0
expected_num = kvm_utils.get_sub_dict_names(params, devices).__len__()
s, o = vm.send_monitor_cmd(cmd)
if s != 0:
f_fail += 1
logging.error("qemu monitor command failed: %s" % cmd)
actual_num = string.count(o, check_str)
if expected_num != actual_num:
f_fail += 1
logging.error("%s number mismatch:")
logging.error(" Assigned to VM: %d" % expected_num)
logging.error(" Reported by OS: %d" % actual_num)
return expected_num, f_fail
logging.info("Hard drive count check")
drives_num, f_fail = check_num("images", "info block", "type=hd")
n_fail += f_fail
logging.info("NIC count check")
nics_num, f_fail = check_num("nics", "info network", "model=")
n_fail += f_fail
# Define a function for checking hard drives & NICs' model
def chk_fmt_model(device, fmt_model, cmd, str):
f_fail = 0
devices = kvm_utils.get_sub_dict_names(params, device)
for chk_device in devices:
expected = kvm_utils.get_sub_dict(params, chk_device).get(fmt_model)
if not expected:
expected = "rtl8139"
s, o = vm.send_monitor_cmd(cmd)
if s != 0:
f_fail += 1
logging.error("qemu monitor command failed: %s" % cmd)
device_found = re.findall(str, o)
logging.debug("Found devices: %s" % device_found)
found = False
for fm in device_found:
if expected in fm:
found = True
if not found:
f_fail += 1
logging.error("%s model mismatch:")
logging.error(" Assigned to VM: %s" % expected)
logging.error(" Reported by OS: %s" % device_found)
return f_fail
logging.info("NICs model check")
f_fail = chk_fmt_model("nics", "nic_model", "info network", "model=(.*),")
n_fail += f_fail
logging.info("Drive format check")
f_fail = chk_fmt_model("images", "drive_format", "info block",
"(.*)\: type=hd")
n_fail += f_fail
logging.info("Network card MAC check")
s, o = vm.send_monitor_cmd("info network")
if s != 0:
n_fail += 1
logging.error("qemu monitor command failed: info network")
found_mac_addresses = re.findall("macaddr=(.*)", o)
logging.debug("Found MAC adresses: %s" % found_mac_addresses)
for nic_name in kvm_utils.get_sub_dict_names(params, "nics"):
nic_params = kvm_utils.get_sub_dict(params, nic_name)
mac, ip = kvm_utils.get_mac_ip_pair_from_dict(nic_params)
if not string.lower(mac) in found_mac_addresses:
n_fail += 1
logging.error("MAC address mismatch:")
logging.error(" Assigned to VM (not found): %s" % mac)
# Define a function to verify UUID & Serial number
def verify_device(expect, name, verify_cmd):
f_fail = 0
if verify_cmd:
actual = session.get_command_output(verify_cmd)
if not string.upper(expect) in actual:
f_fail += 1
logging.error("%s mismatch:")
logging.error(" Assigned to VM: %s" % string.upper(expect))
logging.error(" Reported by OS: %s" % actual)
return f_fail
logging.info("UUID check")
if vm.get_uuid():
f_fail = verify_device(vm.get_uuid(), "UUID",
params.get("catch_uuid_cmd"))
n_fail += f_fail
logging.info("Hard Disk serial number check")
catch_serial_cmd = params.get("catch_serial_cmd")
f_fail = verify_device(params.get("drive_serial"), "Serial",
catch_serial_cmd)
n_fail += f_fail
if n_fail != 0:
raise error.TestFail("Physical resources check test reported %s "
"failures. Please verify the test logs." % n_fail)
session.close()
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