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68073270f8
Currently if qemu fails when running a selftest and tries to run some commands on the host it will fail because some variables required by the Dumper class do not exist because testimage was not included. This change adds a default parent directory to save the dumps for the host or target. Also adds default commands to run if no commands were provided to the class. With these changes the previous errors using selftest don't show anymore. [YOCTO #8306] (From OE-Core rev: 713beaf84f8b8ab415b7a8ccba8a4a2aff7f98e5) Signed-off-by: Mariano Lopez <mariano.lopez@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
97 lines
3.0 KiB
Python
97 lines
3.0 KiB
Python
import os
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import sys
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import errno
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import datetime
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import itertools
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from commands import runCmd
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def get_host_dumper(d):
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cmds = d.getVar("testimage_dump_host", True)
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parent_dir = d.getVar("TESTIMAGE_DUMP_DIR", True)
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return HostDumper(cmds, parent_dir)
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class BaseDumper(object):
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""" Base class to dump commands from host/target """
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def __init__(self, cmds, parent_dir):
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self.cmds = []
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# Some testing doesn't inherit testimage, so it is needed
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# to set some defaults.
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self.parent_dir = parent_dir or "/tmp/oe-saved-tests"
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dft_cmds = """ top -bn1
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ps -ef
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free
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df
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memstat
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dmesg
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netstat -an"""
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if not cmds:
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cmds = dft_cmds
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for cmd in cmds.split('\n'):
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cmd = cmd.lstrip()
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if not cmd or cmd[0] == '#':
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continue
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self.cmds.append(cmd)
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def create_dir(self, dir_suffix):
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dump_subdir = ("%s_%s" % (
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datetime.datetime.now().strftime('%Y%m%d%H%M'),
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dir_suffix))
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dump_dir = os.path.join(self.parent_dir, dump_subdir)
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try:
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os.makedirs(dump_dir)
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except OSError as err:
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if err.errno != errno.EEXIST:
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raise err
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self.dump_dir = dump_dir
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def _write_dump(self, command, output):
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if isinstance(self, HostDumper):
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prefix = "host"
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elif isinstance(self, TargetDumper):
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prefix = "target"
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else:
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prefix = "unknown"
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for i in itertools.count():
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filename = "%s_%02d_%s" % (prefix, i, command)
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fullname = os.path.join(self.dump_dir, filename)
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if not os.path.exists(fullname):
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break
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with open(fullname, 'w') as dump_file:
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dump_file.write(output)
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class HostDumper(BaseDumper):
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""" Class to get dumps from the host running the tests """
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def __init__(self, cmds, parent_dir):
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super(HostDumper, self).__init__(cmds, parent_dir)
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def dump_host(self, dump_dir=""):
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if dump_dir:
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self.dump_dir = dump_dir
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for cmd in self.cmds:
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result = runCmd(cmd, ignore_status=True)
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self._write_dump(cmd.split()[0], result.output)
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class TargetDumper(BaseDumper):
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""" Class to get dumps from target, it only works with QemuRunner """
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def __init__(self, cmds, parent_dir, qemurunner):
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super(TargetDumper, self).__init__(cmds, parent_dir)
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self.runner = qemurunner
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def dump_target(self, dump_dir=""):
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if dump_dir:
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self.dump_dir = dump_dir
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for cmd in self.cmds:
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# We can continue with the testing if serial commands fail
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try:
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(status, output) = self.runner.run_serial(cmd)
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self._write_dump(cmd.split()[0], output)
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except:
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print("Tried to dump info from target but "
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"serial console failed")
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