def _apply_whiteouts(self, tarf, destdir):
"""The layered filesystem of docker uses whiteout files
to identify files or directories to be removed.
The format is .wh.<filename>
"""
verbose = ""
if Msg.level >= Msg.VER:
verbose = 'v'
Msg().out("Info: applying whiteouts:", tarf, l=Msg.INF)
wildcards = [
"--wildcards",
]
if not HostInfo().cmd_has_option("tar", wildcards[0]):
wildcards = []
cmd = ["tar", "t" + verbose] + wildcards + ["-f", tarf, r"*/.wh.*"]
whiteouts = Uprocess().get_output(cmd, True)
if not whiteouts:
return
for wh_filename in whiteouts.split('\n'):
if wh_filename:
wh_basename = os.path.basename(wh_filename.strip())
wh_dirname = os.path.dirname(wh_filename)
if wh_basename == ".wh..wh..opq":
if not os.path.isdir(destdir + '/' + wh_dirname):
continue
for f_name in os.listdir(destdir + '/' + wh_dirname):
rm_filename = destdir + '/' \
+ wh_dirname + '/' + f_name
FileUtil(rm_filename).remove(recursive=True)
elif wh_basename.startswith(".wh."):
rm_filename = destdir + '/' \
+ wh_dirname + '/' \
+ wh_basename.replace(".wh.", "", 1)
FileUtil(rm_filename).remove(recursive=True)
return
def _get_ld_config(self):
"""Get get directories from container ld.so.cache"""
cmd = ["ldconfig", "-p", "-C", "%s/%s" % \
(self._container_root, Config.conf['ld_so_cache']), ]
ld_dict = dict()
ld_data = Uprocess().get_output(cmd)
if not ld_data:
return []
for line in ld_data.split('\n'):
match = re.search("([^ ]+) => ([^ ]+)", line)
if match:
ld_dict[self._container_root + \
os.path.dirname(match.group(2))] = True
return list(ld_dict.keys())
def _find_host_dir_ldconfig(self, arch="x86-64"):
"""Find host nvidia libraries via ldconfig"""
dir_list = set()
ld_data = Uprocess().get_output(["ldconfig", "-p"])
if ld_data:
regexp = "[ |\t]%s[^ ]* .*%s.*=> (/.*)"
for line in ld_data.split('\n'):
for lib in self._nvidia_main_libs:
match = re.search(regexp % (lib, arch), line)
if match:
dir_list.add(
os.path.realpath(os.path.dirname(match.group(1))) +
'/')
Msg().out("Info: List nvidia libs via ldconfig", dir_list, l=Msg.DBG)
return dir_list