def run(self, connection, args=None):
# Prompts commonly include # - when logging such strings,
# use lazy logging or the string will not be quoted correctly.
def check_prompt_characters(prompt):
if not any([True for c in DISTINCTIVE_PROMPT_CHARACTERS if c in prompt]):
self.logger.warning(self.check_prompt_characters_warning, prompt)
connection.prompt_str = LinuxKernelMessages.get_init_prompts()
# Skip auto login if the configuration is not found
params = self.parameters.get('auto_login', None)
if params is None:
self.logger.debug("Skipping of auto login")
else:
self.logger.debug("Waiting for the login prompt")
connection.prompt_str.append(params['login_prompt'])
self.logger.debug(connection.prompt_str)
results = LinuxKernelMessages.parse_failures(connection)
if len(results) > 1:
self.results = {'fail': results}
return connection
else:
connection.sendline(params['username'], delay=self.character_delay)
if 'password_prompt' in params:
self.logger.debug("Waiting for password prompt")
connection.prompt_str = params['password_prompt']
self.wait(connection)
connection.sendline(params['password'], delay=self.character_delay)
# prompt_str can be a list or str
if isinstance(connection.prompt_str, str):
connection.prompt_str = [DEFAULT_SHELL_PROMPT]
else:
connection.prompt_str.extend([DEFAULT_SHELL_PROMPT])
prompts = self.parameters.get('prompts', None)
if isinstance(prompts, list):
for prompt in prompts:
check_prompt_characters(prompt)
connection.prompt_str.extend(prompts)
else:
check_prompt_characters(prompts)
connection.prompt_str.append(prompts)
self.logger.debug("Setting shell prompt(s) to %s" % connection.prompt_str) # pylint: disable=logging-not-lazy
if params is None:
self.logger.debug("Parsing kernel messages")
parsed = LinuxKernelMessages.parse_failures(connection)
if len(parsed) and 'success' in parsed[0]:
self.results = {'success': parsed[0]}
else:
self.results = {'fail': parsed}
connection.sendline('export PS1="%s"' % DEFAULT_SHELL_PROMPT, delay=self.character_delay)
return connection
def test_kernel_4(self):
logfile = os.path.join(os.path.dirname(__file__), 'kernel-4.txt')
self.assertTrue(os.path.exists(logfile))
child = pexpect.spawn('cat', [logfile])
message_list = LinuxKernelMessages.get_init_prompts()
self.assertIsNotNone(message_list)
connection = FakeConnection(child, message_list)
results = LinuxKernelMessages.parse_failures(
connection, max_end_time=self.max_end_time)
self.assertIn('Stack', results[0]['message'].decode('utf-8'))
self.assertIn('Kernel panic', results[1]['message'].decode('utf-8'))
def test_kernel_ramdisk_alert(self):
logfile = os.path.join(os.path.dirname(__file__), "kernel-3.txt")
self.assertTrue(os.path.exists(logfile))
child = pexpect.spawn("cat", [logfile])
message_list = LinuxKernelMessages.get_init_prompts()
self.assertIsNotNone(message_list)
connection = FakeConnection(child, message_list)
results = LinuxKernelMessages.parse_failures(connection)
self.assertEqual(len(list(results)), 1)
self.assertIn("message", results[0])
self.assertIn("success", results[0])
self.assertNotIn("panic", results[0])
def test_kernel_ramdisk_alert(self):
logfile = os.path.join(os.path.dirname(__file__), 'kernel-3.txt')
self.assertTrue(os.path.exists(logfile))
child = pexpect.spawn('cat', [logfile])
message_list = LinuxKernelMessages.get_init_prompts()
self.assertIsNotNone(message_list)
connection = FakeConnection(child, message_list)
results = LinuxKernelMessages.parse_failures(connection)
self.assertEqual(len(list(results)), 1)
self.assertIn('message', results[0])
self.assertIn('success', results[0])
self.assertNotIn('panic', results[0])
def test_kernel_1(self):
logfile = os.path.join(os.path.dirname(__file__), 'kernel-1.txt')
self.assertTrue(os.path.exists(logfile))
child = pexpect.spawn('cat', [logfile])
message_list = LinuxKernelMessages.get_kernel_prompts()
connection = FakeConnection(child, message_list)
results = LinuxKernelMessages.parse_failures(
connection, max_end_time=self.max_end_time)
self.assertEqual(len(results), 1)
self.assertEqual(
results[0], {
'message': 'kernel-messages',
'success': 'Freeing unused kernel memory'
})
def test_kernel_2(self):
logfile = os.path.join(os.path.dirname(__file__), 'kernel-2.txt')
self.assertTrue(os.path.exists(logfile))
child = pexpect.spawn('cat', [logfile])
message_list = LinuxKernelMessages.get_kernel_prompts()
self.assertIsNotNone(message_list)
connection = FakeConnection(child, message_list)
results = LinuxKernelMessages.parse_failures(connection)
# traces as far as da227214a82491bf occur before Freeing init memory:
self.assertEqual(len(list(results)), 9)
message_list = LinuxKernelMessages.get_init_prompts()
connection.prompt_str = message_list
results = LinuxKernelMessages.parse_failures(connection)
# 5 more traces appear during init
self.assertEqual(len(list(results)), 5)
def test_kernel_2(self):
logfile = os.path.join(os.path.dirname(__file__), "kernel-2.txt")
self.assertTrue(os.path.exists(logfile))
child = pexpect.spawn("cat", [logfile])
message_list = LinuxKernelMessages.get_kernel_prompts()
self.assertIsNotNone(message_list)
connection = FakeConnection(child, message_list)
results = LinuxKernelMessages.parse_failures(connection)
# traces as far as da227214a82491bf occur before Freeing init memory:
self.assertEqual(len(list(results)), 9)
message_list = LinuxKernelMessages.get_init_prompts()
connection.prompt_str = message_list
results = LinuxKernelMessages.parse_failures(connection)
# 5 more traces appear during init
self.assertEqual(len(list(results)), 5)
def prepare_test_connection():
logfile = os.path.join(os.path.dirname(__file__), 'kernel.txt')
if not os.path.exists(logfile):
raise OSError("Missing test support file.")
child = pexpect.spawn('cat', [logfile])
message_list = LinuxKernelMessages.get_kernel_prompts()
return FakeConnection(child, message_list)
def prepare_test_connection():
logfile = os.path.join(os.path.dirname(__file__), 'kernel.txt')
if not os.path.exists(logfile):
raise OSError("Missing test support file.")
child = pexpect.spawn('cat', [logfile])
message_list = LinuxKernelMessages.get_kernel_prompts()
return FakeConnection(child, message_list)
def run(self, prompt_list):
if not self.existing_prompt:
self.existing_prompt = prompt_list[:]
prompt_list = LinuxKernelMessages.get_kernel_prompts()
if isinstance(self.existing_prompt, list):
prompt_list.extend(self.existing_prompt)
else:
prompt_list.append(self.existing_prompt)
return prompt_list
def run(self, prompt_list):
if not self.existing_prompt:
self.existing_prompt = prompt_list[:]
prompt_list = LinuxKernelMessages.get_kernel_prompts()
if isinstance(self.existing_prompt, list):
prompt_list.extend(self.existing_prompt)
else:
prompt_list.append(self.existing_prompt)
return prompt_list
def run(self, prompt_list):
if KERNEL_FREE_INIT_MSG in prompt_list:
index = prompt_list.index(KERNEL_FREE_INIT_MSG)
if len(prompt_list) > index:
index += 1
self.existing_prompt = prompt_list[index:]
else:
self.existing_prompt = prompt_list[:]
prompt_list = LinuxKernelMessages.get_init_prompts()
super(Child, self).run(prompt_list)
return prompt_list
def populate(self, parameters):
self.internal_pipeline = Pipeline(parent=self,
job=self.job,
parameters=parameters)
self.internal_pipeline.add_action(BootQemuRetry())
self.internal_pipeline.add_action(LinuxKernelMessages())
# Add AutoLoginAction unconditionally as this action does nothing if
# the configuration does not contain 'auto_login'
self.internal_pipeline.add_action(AutoLoginAction())
self.internal_pipeline.add_action(ExpectShellSession())
self.internal_pipeline.add_action(ExportDeviceEnvironment())
def run(self, prompt_list):
if KERNEL_FREE_INIT_MSG in prompt_list:
index = prompt_list.index(KERNEL_FREE_INIT_MSG)
if len(prompt_list) > index:
index += 1
self.existing_prompt = prompt_list[index:]
else:
self.existing_prompt = prompt_list[:]
prompt_list = LinuxKernelMessages.get_init_prompts()
super(Child, self).run(prompt_list)
return prompt_list
def test_kernel_txt(self):
"""
The same logfile passes kernel boot and fails
to find init - so the panic needs to be caught by InitMessages
"""
logfile = os.path.join(os.path.dirname(__file__), 'kernel-panic.txt')
self.assertTrue(os.path.exists(logfile))
child = pexpect.spawn('cat', [logfile])
message_list = LinuxKernelMessages.get_kernel_prompts()
self.assertIsNotNone(message_list)
self.assertIn(LinuxKernelMessages.MESSAGE_CHOICES[0][1], message_list)
self.assertIn(LinuxKernelMessages.MESSAGE_CHOICES[1][1], message_list)
self.assertIn(LinuxKernelMessages.MESSAGE_CHOICES[2][1], message_list)
self.assertIn(LinuxKernelMessages.MESSAGE_CHOICES[3][1], message_list)
self.assertIn(LinuxKernelMessages.MESSAGE_CHOICES[4][1], message_list)
self.assertIn(LinuxKernelMessages.MESSAGE_CHOICES[5][1], message_list)
connection = FakeConnection(child, message_list)
result = LinuxKernelMessages.parse_failures(
connection, max_end_time=self.max_end_time)
self.assertEqual(len(result), 2)
self.assertIn('success', result[0])
self.assertIn('panic', result[1])
self.assertEqual(result[0]['success'], KERNEL_FREE_UNUSED_MSG)
self.assertEqual(result[1]['panic'], KERNEL_PANIC_MSG)
self.assertEqual(len(result), 2)
self.assertIn('panic', result[1])
self.assertIn('message', result[1])
self.assertTrue('Attempted to kill init' in str(result[1]['message']))
self.assertTrue('(unwind_backtrace) from' in str(result[1]['message']))
message_list = LinuxKernelMessages.get_init_prompts()
child = pexpect.spawn('cat', [logfile])
connection = FakeConnection(child, message_list)
results = LinuxKernelMessages.parse_failures(
connection, max_end_time=self.max_end_time)
self.assertEqual(len(results), 1)
self.assertIn('panic', result[1])
self.assertIn('message', result[1])
self.assertTrue('Attempted to kill init' in str(result[1]['message']))
self.assertTrue('(unwind_backtrace) from' in str(result[1]['message']))
def test_kernel_2(self):
logfile = os.path.join(os.path.dirname(__file__), 'kernel-2.txt')
self.assertTrue(os.path.exists(logfile))
child = pexpect.spawn('cat', [logfile])
message_list = LinuxKernelMessages.get_kernel_prompts()
self.assertIsNotNone(message_list)
self.assertIn(LinuxKernelMessages.MESSAGE_CHOICES[0][1], message_list)
self.assertIn(LinuxKernelMessages.MESSAGE_CHOICES[1][1], message_list)
self.assertIn(LinuxKernelMessages.MESSAGE_CHOICES[2][1], message_list)
self.assertIn(LinuxKernelMessages.MESSAGE_CHOICES[3][1], message_list)
self.assertIn(LinuxKernelMessages.MESSAGE_CHOICES[4][1], message_list)
self.assertIn(LinuxKernelMessages.MESSAGE_CHOICES[5][1], message_list)
connection = FakeConnection(child, message_list)
results = LinuxKernelMessages.parse_failures(
connection, max_end_time=self.max_end_time)
self.assertEqual(len(list(results)), 14)
message_list = LinuxKernelMessages.get_init_prompts()
child = pexpect.spawn('cat', [logfile])
connection = FakeConnection(child, message_list)
results = LinuxKernelMessages.parse_failures(
connection, max_end_time=self.max_end_time)
self.assertEqual(len(list(results)), 13)
def test_kernel_txt(self):
"""
The same logfile passes kernel boot and fails
to find init - so the panic needs to be caught by InitMessages
"""
logfile = os.path.join(os.path.dirname(__file__), "kernel.txt")
self.assertTrue(os.path.exists(logfile))
child = pexpect.spawn("cat", [logfile])
message_list = LinuxKernelMessages.get_kernel_prompts()
self.assertIsNotNone(message_list)
connection = FakeConnection(child, message_list)
result = LinuxKernelMessages.parse_failures(connection)
self.assertIn("success", result[0])
self.assertEqual(result[0]["success"], KERNEL_FREE_UNUSED_MSG)
message_list = LinuxKernelMessages.get_init_prompts()
self.assertIn(KERNEL_PANIC_MSG, message_list)
self.assertNotIn(KERNEL_FREE_UNUSED_MSG, message_list)
connection.prompt_str = message_list
result = LinuxKernelMessages.parse_failures(connection)
self.assertEqual(len(result), 1)
self.assertIn("panic", result[0])
self.assertIn("message", result[0])
self.assertTrue("Attempted to kill init" in str(result[0]["message"]))
self.assertTrue("(unwind_backtrace) from" in str(result[0]["message"]))
def check_kernel_messages(self, connection, max_end_time):
"""
Use the additional pexpect expressions to detect warnings
and errors during the kernel boot. Ensure all test jobs using
auto-login-action have a result set so that the duration is
always available when the action completes successfully.
"""
if isinstance(connection, SShSession):
self.logger.debug("Skipping kernel messages")
return
self.logger.info("Parsing kernel messages")
self.logger.debug(connection.prompt_str)
parsed = LinuxKernelMessages.parse_failures(connection,
self,
max_end_time=max_end_time)
if len(parsed) and 'success' in parsed[0]:
self.results = {'success': parsed[0]}
elif not parsed:
self.results = {
'success': "No kernel warnings or errors detected."
}
else:
self.results = {'fail': parsed}
self.logger.warning("Kernel warnings or errors detected.")
def run(self, connection, max_end_time, args=None):
# Prompts commonly include # - when logging such strings,
# use lazy logging or the string will not be quoted correctly.
def check_prompt_characters(chk_prompt):
if not any([
True
for c in DISTINCTIVE_PROMPT_CHARACTERS if c in chk_prompt
]):
self.logger.warning(self.check_prompt_characters_warning,
chk_prompt)
if not connection:
return connection
prompts = self.parameters.get('prompts', None)
for prompt in prompts:
check_prompt_characters(prompt)
connection.prompt_str = LinuxKernelMessages.get_init_prompts()
connection.prompt_str.extend(prompts)
# linesep should come from deployment_data as from now on it is OS dependent
linesep = self.get_namespace_data(action='deploy-device-env',
label='environment',
key='line_separator')
connection.raw_connection.linesep = linesep if linesep else LINE_SEPARATOR
self.logger.debug("Using line separator: #%r#",
connection.raw_connection.linesep)
# Skip auto login if the configuration is not found
params = self.parameters.get('auto_login', None)
if not params:
self.logger.debug("No login prompt set.")
self.force_prompt = True
# If auto_login is not enabled, login will time out if login
# details are requested.
connection.prompt_str.append(LOGIN_TIMED_OUT_MSG)
connection.prompt_str.append(LOGIN_INCORRECT_MSG)
# wait for a prompt or kernel messages
self.check_kernel_messages(connection, max_end_time)
if 'success' in self.results:
check = self.results['success'].values()
if LOGIN_TIMED_OUT_MSG in check or LOGIN_INCORRECT_MSG in check:
raise JobError(
"auto_login not enabled but image requested login details."
)
# clear kernel message prompt patterns
connection.prompt_str = list(self.parameters.get('prompts', []))
# already matched one of the prompts
else:
self.logger.info("Waiting for the login prompt")
connection.prompt_str.append(params['login_prompt'])
connection.prompt_str.append(LOGIN_INCORRECT_MSG)
# wait for a prompt or kernel messages
self.check_kernel_messages(connection, max_end_time)
if 'success' in self.results:
if LOGIN_INCORRECT_MSG in self.results['success'].values():
self.logger.warning(
"Login incorrect message matched before the login prompt. "
"Please check that the login prompt is correct. Retrying login..."
)
self.logger.debug("Sending username %s", params['username'])
connection.sendline(params['username'], delay=self.character_delay)
# clear the kernel_messages patterns
connection.prompt_str = list(self.parameters.get('prompts', []))
if 'password_prompt' in params:
self.logger.info("Waiting for password prompt")
connection.prompt_str.append(params['password_prompt'])
# This can happen if password_prompt is misspelled.
connection.prompt_str.append(LOGIN_TIMED_OUT_MSG)
# wait for the password prompt
index = self.wait(connection, max_end_time)
if index:
self.logger.debug("Matched prompt #%s: %s", index,
connection.prompt_str[index])
if connection.prompt_str[index] == LOGIN_TIMED_OUT_MSG:
raise JobError(
"Password prompt not matched, please update the job definition with the correct one."
)
self.logger.debug("Sending password %s", params['password'])
connection.sendline(params['password'],
delay=self.character_delay)
# clear the Password pattern
connection.prompt_str = list(self.parameters.get(
'prompts', []))
connection.prompt_str.append(LOGIN_INCORRECT_MSG)
connection.prompt_str.append(LOGIN_TIMED_OUT_MSG)
# wait for the login process to provide the prompt
index = self.wait(connection, max_end_time)
if index:
self.logger.debug("Matched %s %s", index,
connection.prompt_str[index])
if connection.prompt_str[index] == LOGIN_INCORRECT_MSG:
self.errors = LOGIN_INCORRECT_MSG
raise JobError(LOGIN_INCORRECT_MSG)
if connection.prompt_str[index] == LOGIN_TIMED_OUT_MSG:
self.errors = LOGIN_TIMED_OUT_MSG
raise JobError(LOGIN_TIMED_OUT_MSG)
login_commands = params.get('login_commands', None)
if login_commands is not None:
self.logger.debug("Running login commands")
for command in login_commands:
connection.sendline(command)
connection.prompt_str.extend(
[self.job.device.get_constant('default-shell-prompt')])
self.logger.debug("Setting shell prompt(s) to %s" %
connection.prompt_str) # pylint: disable=logging-not-lazy
connection.sendline(
'export PS1="%s"' %
self.job.device.get_constant('default-shell-prompt'),
delay=self.character_delay)
return connection
