def _call(command, logoutput=False, throw_on_failure=True,
cwd=None, env=None, preexec_fn=None, user=None, wait_for_finish=True, timeout=None, pid_file_name=None):
"""
Execute shell command
@param command: list/tuple of arguments (recommended as more safe - don't need to escape)
or string of the command to execute
@param logoutput: boolean, whether command output should be logged of not
@param throw_on_failure: if true, when return code is not zero exception is thrown
@return: retrun_code, stdout
"""
# convert to string and escape
if isinstance(command, (list, tuple)):
command = ' '.join(quote_bash_args(x) for x in command)
"""
Do not su to the supplied user (need to differentiate between when to call su and when not to)
if user:
command = ["su", "-", user, "-c", command]
else:
command = ["/bin/bash","--login","-c", command]
"""
command = ["/bin/bash","--login","-c", command]
proc = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
cwd=cwd, env=env, shell=False,
preexec_fn=preexec_fn)
if not wait_for_finish:
if pid_file_name:
pidfile = open(pid_file_name, 'w')
pidfile.write(str(proc.pid))
pidfile.close()
return None, None
if timeout:
q = Queue()
t = threading.Timer( timeout, on_timeout, [proc, q] )
t.start()
out = proc.communicate()[0].strip('\n')
if timeout:
if q.empty():
t.cancel()
# timeout occurred
else:
raise ExecuteTimeoutException()
code = proc.returncode
if logoutput and out:
Logger.info(out)
if throw_on_failure and code:
err_msg = Logger.get_protected_text(("Execution of '%s' returned %d. %s") % (command[-1], code, out))
raise Fail(err_msg)
return code, out
def _call(command, logoutput=False, throw_on_failure=True,
cwd=None, env=None, preexec_fn=None, user=None, wait_for_finish=True, timeout=None):
"""
Execute shell command
@param command: list/tuple of arguments (recommended as more safe - don't need to escape)
or string of the command to execute
@param logoutput: boolean, whether command output should be logged of not
@param throw_on_failure: if true, when return code is not zero exception is thrown
@return: retrun_code, stdout
"""
# convert to string and escape
if isinstance(command, (list, tuple)):
command = ' '.join(quote_bash_args(x) for x in command)
if user:
command = ["su", "-", user, "-c", command]
else:
command = ["/bin/bash","--login","-c", command]
proc = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
cwd=cwd, env=env, shell=False,
preexec_fn=preexec_fn)
if not wait_for_finish:
return None, None
if timeout:
q = Queue()
t = threading.Timer( timeout, on_timeout, [proc, q] )
t.start()
out = proc.communicate()[0].strip('\n')
if timeout:
if q.empty():
t.cancel()
# timeout occurred
else:
raise ExecuteTimeoutException()
code = proc.returncode
if logoutput and out:
Logger.info(out)
if throw_on_failure and code:
err_msg = Logger.get_protected_text(("Execution of '%s' returned %d. %s") % (command[-1], code, out))
raise Fail(err_msg)
return code, out
def _call(command, logoutput=False, throw_on_failure=True,
cwd=None, env=None, preexec_fn=None, user=None, wait_for_finish=True, timeout=None, pid_file_name=None, poll_after=None):
"""
Execute shell command
@param command: list/tuple of arguments (recommended as more safe - don't need to escape)
or string of the command to execute
@param logoutput: boolean, whether command output should be logged of not
@param throw_on_failure: if true, when return code is not zero exception is thrown
@return: retrun_code, stdout
"""
# convert to string and escape
if isinstance(command, (list, tuple)):
command = ' '.join(quote_bash_args(x) for x in command)
"""
Do not su to the supplied user (need to differentiate between when to call su and when not to)
if user:
command = ["su", "-", user, "-c", command]
else:
command = ["/bin/bash","--login","-c", command]
"""
command = ["/bin/bash","--login","-c", command]
#adding redirecting stdout stderr to file
outfilename = APPLICATION_STD_OUTPUT_LOG_FILE_PREFIX + APPLICATION_STD_OUTPUT_LOG_FILE_FILE_TYPE
errfilename = APPLICATION_STD_ERROR_LOG_FILE_PREFIX + APPLICATION_STD_ERROR_LOG_FILE_FILE_TYPE
stdoutFile = open(outfilename, 'w+')
stderrFile = open(errfilename, 'w+')
proc = subprocess.Popen(command, stdout = stdoutFile, stderr = stderrFile, universal_newlines = True,
cwd=cwd, env=env, shell=False,
preexec_fn=preexec_fn)
logAnyway = False
if not wait_for_finish:
if pid_file_name:
pidfile = open(pid_file_name, 'w')
pidfile.write(str(proc.pid))
pidfile.close()
## wait poll_after seconds and poll
if poll_after:
time.sleep(poll_after)
if proc.poll() is None:
return None, None #if still running then return
else:
logAnyway = True #assume failure and log
Logger.warning("Process is not up after the polling interval " + str(poll_after) + " seconds.")
else:
return None, None
if timeout:
q = Queue()
t = threading.Timer( timeout, on_timeout, [proc, q] )
t.start()
#out = proc.communicate()[0].strip('\n')
out = proc.communicate()
if timeout:
if q.empty():
t.cancel()
# timeout occurred
else:
raise ExecuteTimeoutException()
code = proc.returncode
if (logoutput or logAnyway) and out:
Logger.info(out)
if throw_on_failure and code:
err_msg = Logger.get_protected_text(("Execution of '%s' returned %d. %s") % (command[-1], code, out))
raise Fail(err_msg)
return code, out
def _call(command,
logoutput=False,
throw_on_failure=True,
cwd=None,
env=None,
preexec_fn=None,
user=None,
wait_for_finish=True,
timeout=None,
pid_file_name=None,
poll_after=None):
"""
Execute shell command
@param command: list/tuple of arguments (recommended as more safe - don't need to escape)
or string of the command to execute
@param logoutput: boolean, whether command output should be logged of not
@param throw_on_failure: if true, when return code is not zero exception is thrown
@return: retrun_code, stdout
"""
# convert to string and escape
if isinstance(command, (list, tuple)):
command = ' '.join(quote_bash_args(x) for x in command)
"""
Do not su to the supplied user (need to differentiate between when to call su and when not to)
if user:
command = ["su", "-", user, "-c", command]
else:
command = ["/bin/bash","--login","-c", command]
"""
command = ["/bin/bash", "--login", "-c", command]
#adding redirecting stdout stderr to file
outfilename = APPLICATION_STD_OUTPUT_LOG_FILE_PREFIX + APPLICATION_STD_OUTPUT_LOG_FILE_FILE_TYPE
errfilename = APPLICATION_STD_ERROR_LOG_FILE_PREFIX + APPLICATION_STD_ERROR_LOG_FILE_FILE_TYPE
stdoutFile = open(outfilename, 'w+')
stderrFile = open(errfilename, 'w+')
proc = subprocess.Popen(command,
stdout=stdoutFile,
stderr=stderrFile,
universal_newlines=True,
cwd=cwd,
env=env,
shell=False,
preexec_fn=preexec_fn)
logAnyway = False
if not wait_for_finish:
if pid_file_name:
pidfile = open(pid_file_name, 'w')
pidfile.write(str(proc.pid))
pidfile.close()
## wait poll_after seconds and poll
if poll_after:
time.sleep(poll_after)
if proc.poll() is None:
return None, None #if still running then return
else:
logAnyway = True #assume failure and log
Logger.warning(
"Process is not up after the polling interval " +
str(poll_after) + " seconds.")
else:
return None, None
if timeout:
q = Queue()
t = threading.Timer(timeout, on_timeout, [proc, q])
t.start()
#out = proc.communicate()[0].strip('\n')
out = proc.communicate()
if timeout:
if q.empty():
t.cancel()
# timeout occurred
else:
raise ExecuteTimeoutException()
code = proc.returncode
if (logoutput or logAnyway) and out:
Logger.info(out)
if throw_on_failure and code:
err_msg = Logger.get_protected_text(
("Execution of '%s' returned %d. %s") % (command[-1], code, out))
raise Fail(err_msg)
return code, out
def _call(command, logoutput=False, throw_on_failure=True,
cwd=None, env=None, preexec_fn=None, user=None, wait_for_finish=True, timeout=None, path=None):
"""
Execute shell command
@param command: list/tuple of arguments (recommended as more safe - don't need to escape)
or string of the command to execute
@param logoutput: boolean, whether command output should be logged of not
@param throw_on_failure: if true, when return code is not zero exception is thrown
@return: retrun_code, stdout
"""
# convert to string and escape
if isinstance(command, (list, tuple)):
command = ' '.join(quote_bash_args(x) for x in command)
if path:
export_path_command = "export PATH=$PATH" + os.pathsep + os.pathsep.join(path) + " ; "
else:
export_path_command = ""
if user:
if env:
export_path_command += "export "
for var in env:
export_path_command += " " + var + "=" + env[var]
export_path_command += " ; "
subprocess_command = ["su", "-s", "/bin/bash", "-", user, "-c", export_path_command + command]
else:
subprocess_command = ["/bin/bash","--login","-c", export_path_command + command]
proc = subprocess.Popen(subprocess_command, stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
cwd=cwd, env=env, shell=False,
preexec_fn=preexec_fn)
if not wait_for_finish:
return None, None
if timeout:
q = Queue()
t = threading.Timer( timeout, on_timeout, [proc, q] )
t.start()
out = proc.communicate()[0].strip('\n')
if timeout:
if q.empty():
t.cancel()
# timeout occurred
else:
raise ExecuteTimeoutException()
code = proc.returncode
if logoutput and out:
Logger.info(out)
if throw_on_failure and code:
err_msg = Logger.get_protected_text(("Execution of '%s' returned %d. %s") % (command, code, out))
raise Fail(err_msg)
return code, out
