Source Code for Module config_client.rhncfgcli_diff

 1  # 
 2  # Copyright (c) 2008--2017 Red Hat, Inc. 
 3  # 
 4  # This software is licensed to you under the GNU General Public License, 
 5  # version 2 (GPLv2). There is NO WARRANTY for this software, express or 
 6  # implied, including the implied warranties of MERCHANTABILITY or FITNESS 
 7  # FOR A PARTICULAR PURPOSE. You should have received a copy of GPLv2 
 8  # along with this software; if not, see 
 9  # http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. 
10  # 
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12  # granted to use or replicate Red Hat trademarks that are incorporated 
13  # in this software or its documentation. 
14  # 
15   
16  import sys 
17  import os 
18   
19  import handler_base 
20  from config_common.file_utils import diff 
21  from config_common.local_config import get as get_config 
22   
23 -class Handler(handler_base.HandlerBase): 
24      _options_table = [ 
25          handler_base.HandlerBase._option_class( 
26              '-d', '--diff-secure-files', dest='display_diff', 
27              action="store_true", default=False, 
28              help="Force diff to display the diff for secure files.", 
29          ) 
30      ] 
31      _usage_options = handler_base.HandlerBase._usage_options + " [ files ... ]" 
32 -    def _process_file(self, *args): 
33          src, dst= args [:2] 
34          type = args[3] 
35          file_info = args[4] 
36   
37          if type == 'symlink': 
38              if not os.path.exists(dst): 
39                  print("Symbolic link '%s' is missing" % dst) 
40                  return 
41   
42              if not os.path.islink(dst): 
43                  print("Path '%s' is not a symbolic link" % dst) 
44                  return 
45   
46              #dst is a symlink, so just tell the user we're skipping the entry 
47              srclink = os.readlink(src) 
48              destlink = os.readlink(dst) 
49              if srclink != destlink: 
50                  print("Symbolic links differ. Channel: '%s' -> '%s'   System: '%s' -> '%s' " % (dst,srclink, dst, destlink)) 
51          elif type == 'file': 
52              if 'is_binary' in file_info and file_info['is_binary'] == 'Y': 
53                  src_content = dst_content = None 
54                  content_differs = False 
55                  src_file = open(src, 'rb') 
56                  src_content = src_file.read() 
57                  src_file.close() 
58                  if os.access(dst, os.R_OK): 
59                      dst_file = open(dst, 'rb') 
60                      dst_content = dst_file.read() 
61                      dst_file.close() 
62                  else: 
63                      print("File %s that is not readable. Re-deployment of configuration file is recommended." % dst) 
64                      return 
65                  if len(src_content) != len(dst_content): 
66                      content_differs = True 
67                  else: 
68                      for i in range(len(src_content)): 
69                          if src_content[i] != dst_content[i]: 
70                              content_differs = True 
71                              break 
72                  if content_differs: 
73                      sys.stdout.write("Binary file %s differs.\n" % (dst)) 
74              else: 
75                  sys.stdout.write(''.join(diff(src, dst, srcname=dst, dstname=dst, 
76                      display_diff= 
77                      (self.options.display_diff or get_config('display_diff'))))) 
78