###############################################################################
# Copyright (c) 2015 Ericsson AB and others.
# szilard.cserey@ericsson.com
+# peter.barabas@ericsson.com
# 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
import shutil
import stat
import errno
+import time
+import shlex
N = {'id': 0, 'status': 1, 'name': 2, 'cluster': 3, 'ip': 4, 'mac': 5,
'roles': 6, 'pending_roles': 7, 'online': 8, 'group_id': 9}
out_handler = logging.FileHandler(LOGFILE, mode='w')
out_handler.setFormatter(formatter)
LOG.addHandler(out_handler)
-os.chmod(LOGFILE, stat.S_IRWXU | stat.S_IRWXG | stat.S_IRWXO)
-
-def exec_cmd(cmd, check=True):
- nul_f = open(os.devnull, 'w')
- process = subprocess.Popen(cmd,
- stdout=subprocess.PIPE,
- stderr=nul_f,
- shell=True)
- nul_f.close()
- response = process.communicate()[0].strip()
- return_code = process.returncode
+os.chmod(LOGFILE, 0664)
+
+
+def mask_arguments(cmd, mask_args, mask_str):
+ cmd_line = shlex.split(cmd)
+ for pos in mask_args:
+ # Don't mask the actual command; also check if we don't reference
+ # beyond bounds
+ if pos == 0 or pos >= len(cmd_line):
+ continue
+ cmd_line[pos] = mask_str
+ return ' '.join(cmd_line)
+
+
+def exec_cmd(cmd, check=True, attempts=1, delay=5, verbose=False, mask_args=[], mask_str='*****'):
+ masked_cmd = mask_arguments(cmd, mask_args, mask_str)
+
+ # a negative value means forever
+ while attempts != 0:
+ attempts = attempts - 1
+ process = subprocess.Popen(cmd,
+ stdout=subprocess.PIPE,
+ stderr=subprocess.PIPE,
+ shell=True)
+ (response, stderr) = process.communicate()
+ return_code = process.returncode
+ if return_code == 0 or attempts == 0:
+ break
+ time.sleep(delay)
+ if verbose:
+ log('%d attempts left: %s' % (attempts, masked_cmd))
+
+ response = response.strip()
if check:
if return_code > 0:
- print "Failed command: " + str(cmd)
- print "Command returned response: " + str(response)
+ stderr = stderr.strip()
+ print "Failed command: " + str(masked_cmd)
+ print "Command returned response: " + str(stderr)
print "Command return code: " + str(return_code)
- raise Exception(response)
+ raise Exception(stderr)
else:
- print "Command: " + str(cmd)
+ print "Command: " + str(masked_cmd)
print str(response)
return response
return response, return_code
return process
+def run_proc_wait_terminated(process):
+ response = process.communicate()[0].strip()
+ return_code = process.returncode
+ return response, return_code
+
+
+def run_proc_kill(process):
+ response = process.kill()
+ return response
+
+
def parse(printout):
parsed_list = []
lines = printout.splitlines()
return parsed if len(parsed_list) == 1 else parsed_list
-def err(message):
+def err(message, fun = None, *args):
LOG.error('%s\n' % message)
+ if fun:
+ fun(*args)
sys.exit(1)
def check_if_root():
- r = exec_cmd('whoami')
- if r != 'root':
+ uid = os.getuid()
+ if uid != 0:
err('You need be root to run this application')