pym/portage/elog/mod_save.py

   1 # elog/mod_save.py - elog dispatch module
   2 # Copyright 2006-2011 Gentoo Foundation
   3 # Distributed under the terms of the GNU General Public License v2
   4
   5 import io
   6 import time
   7 import portage
   8 from portage import os
   9 from portage import _encodings
  10 from portage import _unicode_decode
  11 from portage import _unicode_encode
  12 from portage.data import portage_gid, portage_uid
  13 from portage.package.ebuild.prepare_build_dirs import _ensure_log_subdirs
  14 from portage.util import apply_permissions, ensure_dirs, normalize_path
  15
  16 def process(mysettings, key, logentries, fulltext):
  17
  18         if mysettings.get("PORT_LOGDIR"):
  19                 logdir = normalize_path(mysettings["PORT_LOGDIR"])
  20         else:
  21                 logdir = os.path.join(os.sep, mysettings["EPREFIX"].lstrip(os.sep),
  22                         "var", "log", "portage")
  23
  24         if not os.path.isdir(logdir):
  25                 # Only initialize group/mode if the directory doesn't
  26                 # exist, so that we don't override permissions if they
  27                 # were previously set by the administrator.
  28                 # NOTE: These permissions should be compatible with our
  29                 # default logrotate config as discussed in bug 374287.
  30                 uid = -1
  31                 if portage.data.secpass >= 2:
  32                         uid = portage_uid
  33                 ensure_dirs(logdir, uid=uid, gid=portage_gid, mode=0o2770)
  34
  35         cat = mysettings['CATEGORY']
  36         pf = mysettings['PF']
  37
  38         elogfilename = pf + ":" + _unicode_decode(
  39                 time.strftime("%Y%m%d-%H%M%S", time.gmtime(time.time())),
  40                 encoding=_encodings['content'], errors='replace') + ".log"
  41
  42         if "split-elog" in mysettings.features:
  43                 log_subdir = os.path.join(logdir, "elog", cat)
  44                 elogfilename = os.path.join(log_subdir, elogfilename)
  45         else:
  46                 log_subdir = os.path.join(logdir, "elog")
  47                 elogfilename = os.path.join(log_subdir, cat + ':' + elogfilename)
  48         _ensure_log_subdirs(logdir, log_subdir)
  49
  50         elogfile = io.open(_unicode_encode(elogfilename,
  51                 encoding=_encodings['fs'], errors='strict'),
  52                 mode='w', encoding=_encodings['content'], errors='backslashreplace')
  53         elogfile.write(_unicode_decode(fulltext))
  54         elogfile.close()
  55
  56         # Copy group permission bits from parent directory.
  57         elogdir_st = os.stat(log_subdir)
  58         elogdir_gid = elogdir_st.st_gid
  59         elogdir_grp_mode = 0o060 & elogdir_st.st_mode
  60
  61         # Copy the uid from the parent directory if we have privileges
  62         # to do so, for compatibility with our default logrotate
  63         # config (see bug 378451). With the "su portage portage"
  64         # directive and logrotate-3.8.0, logrotate's chown call during
  65         # the compression phase will only succeed if the log file's uid
  66         # is portage_uid.
  67         logfile_uid = -1
  68         if portage.data.secpass >= 2:
  69                 logfile_uid = elogdir_st.st_uid
  70         apply_permissions(elogfilename, uid=logfile_uid, gid=elogdir_gid,
  71                 mode=elogdir_grp_mode, mask=0)
  72
  73         return elogfilename