3 # Licensed under the Apache License, Version 2.0 (the "License");
4 # you may not use this file except in compliance with the License.
5 # You may obtain a copy of the License at
7 # http://www.apache.org/licenses/LICENSE-2.0
9 # Unless required by applicable law or agreed to in writing, software
10 # distributed under the License is distributed on an "AS IS" BASIS,
11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 # See the License for the specific language governing permissions and
13 # limitations under the License.
18 logger = logging.getLogger(__name__)
21 class Executor(object):
23 logger.debug('Executing: {}'.format(cmd))
24 p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
25 stdout, stderr = p.communicate()
26 if stderr and p.returncode == 0:
28 'Command {} exit status {} but stderr not empty: "{}"'.format(cmd, p.returncode,
31 raise Exception('Command {} returned non-zero exit status {}: '
32 'stdout="{}", stderr="{}"'.format(cmd, p.returncode, stdout, stderr))