def run_once(self, host):
# Find the last cr50 update message already in /var/log/messages
last_message = cr50_utils.CheckForFailures(host, '')
# Clears the state and reboots the system to get the cr50-update to run
cr50_utils.ClearUpdateStateAndReboot(host)
cr50_utils.CheckForFailures(host, last_message)
def run_once(self, host, cmdline_args):
"""Run the cr50 update script and make sure there aren't errors"""
# Find the last cr50 update message already in /var/log/messages
last_message = cr50_utils.CheckForFailures(host, '')
# Clears the state and reboots the system to get the cr50-update to run
cr50_utils.ClearUpdateStateAndReboot(host)
cr50_utils.CheckForFailures(host, last_message)
def run_once(self, host, cmdline_args):
# Disable CCD so it doesn't interfere with the Cr50 AP usb connection.
if hasattr(self, "cr50"):
self.cr50.ccd_disable()
# Find the last cr50 update message already in /var/log/messages
last_message = cr50_utils.CheckForFailures(host, '')
# Clears the state and reboots the system to get the cr50-update to run
cr50_utils.ClearUpdateStateAndReboot(host)
cr50_utils.CheckForFailures(host, last_message)
def run_update(self, image_name, use_usb_update=False):
"""Copy the image to the DUT and upate to it.
Normal updates will use the cr50-update script to update. If a rollback
is True, use usb_update to flash the image and then use the 'rw'
commands to force a rollback.
@param image_name: the key in the images dict that can be used to
retrieve the image info.
@param use_usb_update: True if usb_updater should be used directly
instead of running the update script.
"""
self.cr50.ccd_disable()
# Get the current update information
image_ver, image_ver_str, image_path = self.images[image_name]
dest, ver = cr50_utils.InstallImage(self.host, image_path)
assert ver == image_ver, "Install failed"
image_rw = image_ver[1]
running_ver = cr50_utils.GetRunningVersion(self.host)
running_ver_str = cr50_utils.GetVersionString(running_ver)
# If the given image is older than the running one, then we will need
# to do a rollback to complete the update.
rollback = (cr50_utils.GetNewestVersion(running_ver[1], image_rw) !=
image_rw)
logging.info("Attempting %s from %s to %s",
"rollback" if rollback else "update", running_ver_str,
image_ver_str)
# If a rollback is needed, flash the image into the inactive partition,
# on or use usb_update to update to the new image if it is requested.
if use_usb_update or rollback:
self.cr50_update(dest, rollback=rollback,
erase_nvmem=self.erase_nvmem)
self.check_state((self.checkers.crossystem_checker,
{'mainfw_type': 'normal'}))
# Running the usb update or rollback will enable ccd. Disable it again.
self.cr50.ccd_disable()
# Get the last cr50 update related message from /var/log/messages
last_message = cr50_utils.CheckForFailures(self.host, '')
# Clear the update state and reboot, so cr50-update will run again.
cr50_utils.ClearUpdateStateAndReboot(self.host)
# Verify the system boots normally after the update
self.check_state((self.checkers.crossystem_checker,
{'mainfw_type': 'normal'}))
# Verify the version has been updated and that there have been no
# unexpected usb_updater exit codes.
cr50_utils.VerifyUpdate(self.host, image_ver, last_message)
logging.info("Successfully updated from %s to %s %s", running_ver_str,
image_name, image_ver_str)
def run_update(self, image_name, use_usb_update=False):
"""Copy the image to the DUT and upate to it.
Normal updates will use the cr50-update script to update. If a rollback
is True, use usb_update to flash the image and then use the 'rw'
commands to force a rollback.
@param image_name: the key in the images dict that can be used to
retrieve the image info.
@param use_usb_update: True if usb_updater should be used directly
instead of running the update script.
"""
self.cr50.ccd_disable()
# Get the current update information
image_ver, image_ver_str, image_path = self.images[image_name]
dest, ver = cr50_utils.InstallImage(self.host, image_path,
self.device_update_path)
assert ver == image_ver, "Install failed"
image_rw = image_ver[1]
running_ver = cr50_utils.GetRunningVersion(self.host)
running_ver_str = cr50_utils.GetVersionString(running_ver)
# If the given image is older than the running one, then we will need
# to do a rollback to complete the update.
rollback = (cr50_utils.GetNewestVersion(running_ver[1], image_rw) !=
image_rw)
logging.info("Attempting %s from %s to %s",
"rollback" if rollback else "update", running_ver_str,
image_ver_str)
# If a rollback is needed, flash the image into the inactive partition,
# on or use usb_update to update to the new image if it is requested.
if use_usb_update or rollback:
self.cr50_update(image_path,
rollback=rollback,
chip_bid=self.chip_bid,
chip_flags=self.chip_flags)
self.check_state((self.checkers.crossystem_checker, {
'mainfw_type': 'normal'
}))
# Cr50 is going to reject an update if it hasn't been up for more than
# 60 seconds. Wait until that passes before trying to run the update.
self.cr50.wait_until_update_is_allowed()
# Running the usb update or rollback will enable ccd. Disable it again.
self.cr50.ccd_disable()
# Get the last cr50 update related message from /var/log/messages
last_message = cr50_utils.CheckForFailures(self.host, '')
if self.test_post_install:
self.post_install()
else:
self.startup_install()
# The cr50 updates happen over /dev/tpm0. It takes a while. After
# cr50-update has finished, cr50 should reboot. Wait until this happens
# before sending anymore commands.
self.cr50.wait_for_reboot()
# Verify the system boots normally after the update
self.check_state((self.checkers.crossystem_checker, {
'mainfw_type': 'normal'
}))
# Verify the version has been updated and that there have been no
# unexpected usb_updater exit codes.
cr50_utils.VerifyUpdate(self.host, image_ver, last_message)
logging.info("Successfully updated from %s to %s %s", running_ver_str,
image_name, image_ver_str)