Source Code for Module backend.server.rhnServer.server_history

 1  # 
 2  # Copyright (c) 2008--2016 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  # 
11  # Red Hat trademarks are not licensed under GPLv2. No permission is 
12  # granted to use or replicate Red Hat trademarks that are incorporated 
13  # in this software or its documentation. 
14  # 
15  # Class for handling and updating the server history. 
16  # 
17   
18  from spacewalk.common.rhnLog import log_debug 
19  from spacewalk.server import rhnSQL 
20   
21  # these are kind of out there... 
22  MAX_SUMMARY = 128 
23  MAX_DETAILS = 4000 
24   
25   
26 -class History: 
27   
28 -    def __init__(self): 
29          self.__h = [] 
30   
31 -    def add_history(self, summary, details=""): 
32          """ Add a history event to the server. """ 
33          log_debug(4, summary) 
34          if details == '': 
35              self.__h.append((summary[:MAX_SUMMARY], None)) 
36          else: 
37              self.__h.append((summary[:MAX_SUMMARY], details[:MAX_DETAILS])) 
38   
39 -    def save_history_byid(self, server_id): 
40          log_debug(3, server_id, "%d history events" % len(self.__h)) 
41          if not self.__h: 
42              return 0 
43          hist = rhnSQL.prepare(""" 
44              insert into rhnServerHistory 
45                  (id, 
46                   server_id, 
47                   summary, 
48                   details) 
49              values 
50                  (sequence_nextval('rhn_event_id_seq'), 
51                   :server_id, 
52                   :summary, 
53                   :details) 
54          """) 
55          summaries = [x[0] for x in self.__h] 
56          details = [x[1] for x in self.__h] 
57          server_ids = [server_id] * len(self.__h) 
58          hist.executemany(server_id=server_ids, summary=summaries, 
59                           details=details) 
60          # Clear the history cache 
61          self.__h = [] 
62          return 0 
63