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import os
import bb
import traceback
import time
import oeqa.targetcontrol
import oeqa.utils.sshcontrol as sshcontrol
import oeqa.utils.commands as commands
class GummibootTarget(oeqa.targetcontrol.SimpleRemoteTarget):
def __init__(self, d):
# let our base class do the ip thing
super(GummibootTarget, self).__init__(d)
# test rootfs + kernel
self.rootfs = os.path.join(d.getVar("DEPLOY_DIR_IMAGE", True), d.getVar("IMAGE_LINK_NAME", True) + '.tar.gz')
self.kernel = os.path.join(d.getVar("DEPLOY_DIR_IMAGE", True), d.getVar("KERNEL_IMAGETYPE"))
if not os.path.isfile(self.rootfs):
# we could've checked that IMAGE_FSTYPES contains tar.gz but the config for running testimage might not be
# the same as the config with which the image was build, ie
# you bitbake core-image-sato with IMAGE_FSTYPES += "tar.gz"
# and your autobuilder overwrites the config, adds the test bits and runs bitbake core-image-sato -c testimage
bb.fatal("No rootfs found. Did you build the image ?\nIf yes, did you build it with IMAGE_FSTYPES += \"tar.gz\" ? \
\nExpected path: %s" % self.rootfs)
if not os.path.isfile(self.kernel):
bb.fatal("No kernel found. Expected path: %s" % self.kernel)
# if the user knows what he's doing, then by all means...
# test-rootfs.tar.gz and test-kernel are hardcoded names in other places
# they really have to be used like that in commands though
cmds = d.getVar("TEST_DEPLOY_CMDS", True)
# this the value we need to set in the LoaderEntryOneShot EFI variable
# so the system boots the 'test' bootloader label and not the default
# The first four bytes are EFI bits, and the rest is an utf-16le string
# (EFI vars values need to be utf-16)
# $ echo -en "test\0" | iconv -f ascii -t utf-16le | hexdump -C
# 00000000 74 00 65 00 73 00 74 00 00 00 |t.e.s.t...|
self.efivarvalue = r'\x07\x00\x00\x00\x74\x00\x65\x00\x73\x00\x74\x00\x00\x00'
if cmds:
self.deploy_cmds = cmds.split("\n")
else:
self.deploy_cmds = [
'mount -L boot /boot',
'mkdir -p /mnt/testrootfs',
'mount -L testrootfs /mnt/testrootfs',
'modprobe efivarfs',
'mount -t efivarfs efivarfs /sys/firmware/efi/efivars',
'cp ~/test-kernel /boot',
'rm -rf /mnt/testrootfs/*',
'tar xzvf ~/test-rootfs.tar.gz -C /mnt/testrootfs',
'printf "%s" > /sys/firmware/efi/efivars/LoaderEntryOneShot-4a67b082-0a4c-41cf-b6c7-440b29bb8c4f' % self.efivarvalue
]
# master ssh connection
self.master = None
# this is the name of the command that controls the power for a board
# e.g: TEST_POWERCONTROL_CMD = "/home/user/myscripts/powercontrol.py ${MACHINE} what-ever-other-args-the-script-wants"
# the command should take as the last argument "off" and "on" and "cycle" (off, on)
self.powercontrol_cmd = d.getVar("TEST_POWERCONTROL_CMD", True) or None
self.powercontrol_args = d.getVar("TEST_POWERCONTROL_EXTRA_ARGS") or ""
self.origenv = os.environ
if self.powercontrol_cmd:
if self.powercontrol_args:
self.powercontrol_cmd = "%s %s" % (self.powercontrol_cmd, self.powercontrol_args)
# the external script for controlling power might use ssh
# ssh + keys means we need the original user env
bborigenv = d.getVar("BB_ORIGENV", False) or {}
for key in bborigenv:
val = bborigenv.getVar(key, True)
if val is not None:
self.origenv[key] = str(val)
self.power_ctl("on")
def power_ctl(self, msg):
if self.powercontrol_cmd:
cmd = "%s %s" % (self.powercontrol_cmd, msg)
commands.runCmd(cmd, preexec_fn=os.setsid, env=self.origenv)
def power_cycle(self, conn):
if self.powercontrol_cmd:
# be nice, don't just cut power
conn.run("shutdown -h now")
time.sleep(10)
self.power_ctl("cycle")
else:
status, output = conn.run("reboot")
if status != 0:
bb.error("Failed rebooting target and no power control command defined. You need to manually reset the device.\n%s" % output)
def deploy(self):
bb.plain("%s - deploying image on target" % self.pn)
# base class just sets the ssh log file for us
super(GummibootTarget, self).deploy()
self.master = sshcontrol.SSHControl(ip=self.ip, logfile=self.sshlog, timeout=600, port=self.port)
try:
self._deploy()
except Exception as e:
bb.fatal("Failed deploying test image: %s" % e)
def _deploy(self):
# make sure we are in the right image
status, output = self.master.run("cat /etc/masterimage")
if status != 0:
raise Exception("No ssh connectivity or target isn't running a master image.\n%s" % output)
# make sure these aren't mounted
self.master.run("umount /boot; umount /mnt/testrootfs; umount /sys/firmware/efi/efivars;")
# from now on, every deploy cmd should return 0
# else an exception will be thrown by sshcontrol
self.master.ignore_status = False
self.master.copy_to(self.rootfs, "~/test-rootfs.tar.gz")
self.master.copy_to(self.kernel, "~/test-kernel")
for cmd in self.deploy_cmds:
self.master.run(cmd)
def start(self, params=None):
bb.plain("%s - boot test image on target" % self.pn)
self.power_cycle(self.master)
# there are better ways than a timeout but this should work for now
time.sleep(120)
# set the ssh object for the target/test image
self.connection = sshcontrol.SSHControl(self.ip, logfile=self.sshlog, port=self.port)
bb.plain("%s - start running tests" % self.pn)
def stop(self):
bb.plain("%s - reboot/powercycle target" % self.pn)
self.power_cycle(self.connection)
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