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##############################################################################
# Copyright (c) 2016 Juan Qiu
# juan_ qiu@tongji.edu.cn
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
import logging
import subprocess
import traceback
LOG = logging.getLogger(__name__)
def buildshellparams(param, remote=True):
result = '/bin/bash -s' if remote else ''
result += "".join(" {%d}" % i for i in range(len(param)))
return result
def execute_shell_command(command):
"""execute shell script with error handling"""
exitcode = 0
output = []
try:
LOG.debug("the command is: %s", command)
output = subprocess.check_output(command, shell=True)
except Exception:
exitcode = -1
output = traceback.format_exc()
LOG.error("exec command '%s' error:\n ", command)
LOG.error(traceback.format_exc())
return exitcode, output
PREFIX = '$'
def build_shell_command(param_config, remote=True, intermediate_variables=None):
param_template = '/bin/bash -s' if remote else ''
if intermediate_variables:
for key, val in param_config.items():
if str(val).startswith(PREFIX):
try:
param_config[key] = intermediate_variables[val]
except KeyError:
pass
result = param_template + "".join(" {}".format(v) for v in param_config.values())
LOG.debug("THE RESULT OF build_shell_command IS: %s", result)
return result
def read_stdout_item(stdout, key):
for item in stdout.splitlines():
if key in item:
attributes = item.split("|")
if attributes[1].lstrip().startswith(key):
return attributes[2].strip()
return None
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