1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
import os, subprocess
from . import Executor
class CommandRunner(Executor):
'''
Run arbitrary shell commands.
'''
_directive = 'shell'
def can_handle(self, directive):
return directive == self._directive
def handle(self, directive, data):
if directive != self._directive:
raise ValueError('CommandRunner cannot handle directive %s' %
directive)
return self._process_commands(data)
def _process_commands(self, data):
success = True
with open(os.devnull, 'w') as devnull:
for item in data:
stdin = stdout = stderr = devnull
if isinstance(item, dict):
cmd = item['command']
msg = item.get('description', None)
if item.get('stdin', False) is True:
stdin = None
if item.get('stdout', False) is True:
stdout = None
if item.get('stderr', False) is True:
stderr = None
elif isinstance(item, list):
cmd = item[0]
msg = item[1] if len(item) > 1 else None
else:
cmd = item
msg = None
if msg is None:
self._log.lowinfo(cmd)
else:
self._log.lowinfo('%s [%s]' % (msg, cmd))
ret = subprocess.call(cmd, shell=True, stdin=stdin, stdout=stdout,
stderr=stderr, cwd=self._base_directory)
if ret != 0:
success = False
self._log.warning('Command [%s] failed' % cmd)
if success:
self._log.info('All commands have been executed')
else:
self._log.error('Some commands were not successfully executed')
return success
|
