gecko/testing/mochitest/runtestsvmware.py

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#
2012-05-21 04:12:37 -07:00
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
import sys
import os
import re
import types
from optparse import OptionValueError
from subprocess import PIPE
from time import sleep
from tempfile import mkstemp
sys.path.insert(0, os.path.abspath(os.path.realpath(
os.path.dirname(sys.argv[0]))))
from automation import Automation
from runtests import Mochitest, MochitestOptions
class VMwareOptions(MochitestOptions):
def __init__(self, automation, mochitest, **kwargs):
defaults = {}
MochitestOptions.__init__(self, automation, mochitest.SCRIPT_DIRECTORY)
def checkPathCallback(option, opt_str, value, parser):
path = mochitest.getFullPath(value)
if not os.path.exists(path):
raise OptionValueError("Path %s does not exist for %s option"
% (path, opt_str))
setattr(parser.values, option.dest, path)
self.add_option("--with-vmware-vm",
action = "callback", type = "string", dest = "vmx",
callback = checkPathCallback,
help = "launches the given VM and runs mochitests inside")
defaults["vmx"] = None
self.add_option("--with-vmrun-executable",
action = "callback", type = "string", dest = "vmrun",
callback = checkPathCallback,
help = "specifies the vmrun.exe to use for VMware control")
defaults["vmrun"] = None
self.add_option("--shutdown-vm-when-done",
action = "store_true", dest = "shutdownVM",
help = "shuts down the VM when mochitests complete")
defaults["shutdownVM"] = False
self.add_option("--repeat-until-failure",
action = "store_true", dest = "repeatUntilFailure",
help = "Runs tests continuously until failure")
defaults["repeatUntilFailure"] = False
self.set_defaults(**defaults)
class VMwareMochitest(Mochitest):
_pathFixRegEx = re.compile(r'^[cC](\:[\\\/]+)')
def convertHostPathsToGuestPaths(self, string):
""" converts a path on the host machine to a path on the guest machine """
# XXXbent Lame!
return self._pathFixRegEx.sub(r'z\1', string)
def prepareGuestArguments(self, parser, options):
""" returns an array of command line arguments needed to replicate the
current set of options in the guest """
args = []
for key in options.__dict__.keys():
# Don't send these args to the vm test runner!
if key == "vmrun" or key == "vmx" or key == "repeatUntilFailure":
continue
value = options.__dict__[key]
valueType = type(value)
# Find the option in the parser's list.
option = None
for index in range(len(parser.option_list)):
if str(parser.option_list[index].dest) == key:
option = parser.option_list[index]
break
if not option:
continue
# No need to pass args on the command line if they're just going to set
# default values. The exception is list values... For some reason the
# option parser modifies the defaults as well as the values when using the
# "append" action.
if value == parser.defaults[option.dest]:
if valueType == types.StringType and \
value == self.convertHostPathsToGuestPaths(value):
continue
if valueType != types.ListType:
continue
def getArgString(arg, option):
if option.action == "store_true" or option.action == "store_false":
return str(option)
return "%s=%s" % (str(option),
self.convertHostPathsToGuestPaths(str(arg)))
if valueType == types.ListType:
# Expand lists into separate args.
for item in value:
args.append(getArgString(item, option))
else:
args.append(getArgString(value, option))
return tuple(args)
def launchVM(self, options):
""" launches the VM and enables shared folders """
# Launch VM first.
self.automation.log.info("INFO | runtests.py | Launching the VM.")
(result, stdout) = self.runVMCommand(self.vmrunargs + ("start", self.vmx))
if result:
return result
# Make sure that shared folders are enabled.
self.automation.log.info("INFO | runtests.py | Enabling shared folders in "
"the VM.")
(result, stdout) = self.runVMCommand(self.vmrunargs + \
("enableSharedFolders", self.vmx))
if result:
return result
def shutdownVM(self):
""" shuts down the VM """
self.automation.log.info("INFO | runtests.py | Shutting down the VM.")
command = self.vmrunargs + ("runProgramInGuest", self.vmx,
"c:\\windows\\system32\\shutdown.exe", "/s", "/t", "1")
(result, stdout) = self.runVMCommand(command)
return result
def runVMCommand(self, command, expectedErrors=[], silent=False):
""" runs a command in the VM using the vmrun.exe helper """
commandString = ""
for part in command:
commandString += str(part) + " "
if not silent:
self.automation.log.info("INFO | runtests.py | Running command: %s"
% commandString)
commonErrors = ["Error: Invalid user name or password for the guest OS",
"Unable to connect to host."]
expectedErrors.extend(commonErrors)
# VMware can't run commands until the VM has fully loaded so keep running
# this command in a loop until it succeeds or we try 100 times.
errorString = ""
for i in range(100):
process = Automation.Process(command, stdout=PIPE)
result = process.wait()
if result == 0:
break
for line in process.stdout.readlines():
line = line.strip()
if not line:
continue
errorString = line
break
expected = False
for error in expectedErrors:
if errorString.startswith(error):
expected = True
if not expected:
self.automation.log.warning("WARNING | runtests.py | Command \"%s\" "
"failed with result %d, : %s"
% (commandString, result, errorString))
break
if not silent:
self.automation.log.info("INFO | runtests.py | Running command again.")
return (result, process.stdout.readlines())
def monitorVMExecution(self, appname, logfilepath):
""" monitors test execution in the VM. Waits for the test process to start,
then watches the log file for test failures and checks the status of the
process to catch crashes. Returns True if mochitests ran successfully.
"""
success = True
self.automation.log.info("INFO | runtests.py | Waiting for test process to "
"start.")
listProcessesCommand = self.vmrunargs + ("listProcessesInGuest", self.vmx)
expectedErrors = [ "Error: The virtual machine is not powered on" ]
running = False
for i in range(100):
(result, stdout) = self.runVMCommand(listProcessesCommand, expectedErrors,
silent=True)
if result:
self.automation.log.warning("WARNING | runtests.py | Failed to get "
"list of processes in VM!")
return False
for line in stdout:
line = line.strip()
if line.find(appname) != -1:
running = True
break
if running:
break
sleep(1)
self.automation.log.info("INFO | runtests.py | Found test process, "
"monitoring log.")
completed = False
nextLine = 0
while running:
log = open(logfilepath, "rb")
lines = log.readlines()
if len(lines) > nextLine:
linesToPrint = lines[nextLine:]
for line in linesToPrint:
line = line.strip()
if line.find("INFO SimpleTest FINISHED") != -1:
completed = True
continue
if line.find("ERROR TEST-UNEXPECTED-FAIL") != -1:
self.automation.log.info("INFO | runtests.py | Detected test "
"failure: \"%s\"" % line)
success = False
nextLine = len(lines)
log.close()
(result, stdout) = self.runVMCommand(listProcessesCommand, expectedErrors,
silent=True)
if result:
self.automation.log.warning("WARNING | runtests.py | Failed to get "
"list of processes in VM!")
return False
stillRunning = False
for line in stdout:
line = line.strip()
if line.find(appname) != -1:
stillRunning = True
break
if stillRunning:
sleep(5)
else:
if not completed:
self.automation.log.info("INFO | runtests.py | Test process exited "
"without finishing tests, maybe crashed.")
success = False
running = stillRunning
return success
def getCurentSnapshotList(self):
""" gets a list of snapshots from the VM """
(result, stdout) = self.runVMCommand(self.vmrunargs + ("listSnapshots",
self.vmx))
snapshots = []
if result != 0:
self.automation.log.warning("WARNING | runtests.py | Failed to get list "
"of snapshots in VM!")
return snapshots
for line in stdout:
if line.startswith("Total snapshots:"):
continue
snapshots.append(line.strip())
return snapshots
def runTests(self, parser, options):
""" runs mochitests in the VM """
# Base args that must always be passed to vmrun.
self.vmrunargs = (options.vmrun, "-T", "ws", "-gu", "Replay", "-gp",
"mozilla")
self.vmrun = options.vmrun
self.vmx = options.vmx
result = self.launchVM(options)
if result:
return result
if options.vmwareRecording:
snapshots = self.getCurentSnapshotList()
def innerRun():
""" subset of the function that must run every time if we're running until
failure """
# Make a new shared file for the log file.
(logfile, logfilepath) = mkstemp(suffix=".log")
os.close(logfile)
# Get args to pass to VM process. Make sure we autorun and autoclose.
options.autorun = True
options.closeWhenDone = True
options.logFile = logfilepath
self.automation.log.info("INFO | runtests.py | Determining guest "
"arguments.")
runtestsArgs = self.prepareGuestArguments(parser, options)
runtestsPath = self.convertHostPathsToGuestPaths(self.SCRIPT_DIRECTORY)
runtestsPath = os.path.join(runtestsPath, "runtests.py")
runtestsCommand = self.vmrunargs + ("runProgramInGuest", self.vmx,
"-activeWindow", "-interactive", "-noWait",
"c:\\mozilla-build\\python25\\python.exe",
runtestsPath) + runtestsArgs
expectedErrors = [ "Unable to connect to host.",
"Error: The virtual machine is not powered on" ]
self.automation.log.info("INFO | runtests.py | Launching guest test "
"runner.")
(result, stdout) = self.runVMCommand(runtestsCommand, expectedErrors)
if result:
return (result, False)
self.automation.log.info("INFO | runtests.py | Waiting for guest test "
"runner to complete.")
mochitestsSucceeded = self.monitorVMExecution(
os.path.basename(options.app), logfilepath)
if mochitestsSucceeded:
self.automation.log.info("INFO | runtests.py | Guest tests passed!")
else:
self.automation.log.info("INFO | runtests.py | Guest tests failed.")
if mochitestsSucceeded and options.vmwareRecording:
newSnapshots = self.getCurentSnapshotList()
if len(newSnapshots) > len(snapshots):
self.automation.log.info("INFO | runtests.py | Removing last "
"recording.")
(result, stdout) = self.runVMCommand(self.vmrunargs + \
("deleteSnapshot", self.vmx,
newSnapshots[-1]))
self.automation.log.info("INFO | runtests.py | Removing guest log file.")
for i in range(30):
try:
os.remove(logfilepath)
break
except:
sleep(1)
self.automation.log.warning("WARNING | runtests.py | Couldn't remove "
"guest log file, trying again.")
return (result, mochitestsSucceeded)
if options.repeatUntilFailure:
succeeded = True
result = 0
count = 1
while result == 0 and succeeded:
self.automation.log.info("INFO | runtests.py | Beginning mochitest run "
"(%d)." % count)
count += 1
(result, succeeded) = innerRun()
else:
self.automation.log.info("INFO | runtests.py | Beginning mochitest run.")
(result, succeeded) = innerRun()
if not succeeded and options.vmwareRecording:
newSnapshots = self.getCurentSnapshotList()
if len(newSnapshots) > len(snapshots):
self.automation.log.info("INFO | runtests.py | Failed recording saved "
"as '%s'." % newSnapshots[-1])
if result:
return result
if options.shutdownVM:
result = self.shutdownVM()
if result:
return result
return 0
def main():
automation = Automation()
mochitest = VMwareMochitest(automation)
parser = VMwareOptions(automation, mochitest)
options, args = parser.parse_args()
options = parser.verifyOptions(options, mochitest)
if (options == None):
sys.exit(1)
if options.vmx is None:
parser.error("A virtual machine must be specified with " +
"--with-vmware-vm")
if options.vmrun is None:
options.vmrun = os.path.join("c:\\", "Program Files", "VMware",
"VMware VIX", "vmrun.exe")
if not os.path.exists(options.vmrun):
options.vmrun = os.path.join("c:\\", "Program Files (x86)", "VMware",
"VMware VIX", "vmrun.exe")
if not os.path.exists(options.vmrun):
parser.error("Could not locate vmrun.exe, use --with-vmrun-executable" +
" to identify its location")
sys.exit(mochitest.runTests(parser, options))
if __name__ == "__main__":
main()