def _split_client_server(self):
# Split the raw string into client & server sections
client_lines = []
server_lines = []
version_lines = list(self.version_lines) # work on a copy
version_lines.reverse() # start at beginning
while version_lines:
version_line = version_lines.pop().strip()
if version_line == '':
continue
elif version_line.find('Client:') > -1:
# Don't assume which section came first
while version_lines and version_lines[-1].find('Server:') < 0:
version_line = version_lines.pop().strip()
if version_line == '':
continue
client_lines.append(version_line)
continue
elif version_line.find('Server:') > -1:
# Don't assume which section came first
while version_lines and version_lines[-1].find('Client:') < 0:
version_line = version_lines.pop().strip()
if version_line == '':
continue
server_lines.append(version_line)
continue
else:
msg = ("Unexpected line '%s' in version string: '%s'" %
(version_line, self.version_string))
raise xceptions.DockerOutputError(msg)
return (client_lines, server_lines)
def __init__(self, cmdresult, ignore_error=False, skip=None):
# Base class __init__ is abstract
# pylint: disable=W0231
self.cmdresult = cmdresult
self.stdout_strip = cmdresult.stdout.strip()
self.stderr_strip = cmdresult.stderr.strip()
# All methods called twice with mangled names, mangle skips also
if skip is not None:
if isinstance(skip, (str, unicode)):
skip = [skip]
newskip = []
for checker in skip:
newskip.append(checker + '_stdout')
newskip.append(checker + '_stderr')
else:
newskip = skip
self.__instattrs__(newskip)
for checker in [name for name in dir(self) if name.endswith('_check')]:
self.callables[checker + '_stdout'] = getattr(self, checker)
self.callables[checker + '_stderr'] = getattr(self, checker)
self.call_callables()
# Not nonzero means One or more checkers returned False
if not ignore_error and not self.__nonzero__():
# Str representation will provide details
raise xceptions.DockerOutputError(str(self))
def server(self):
"""
Read-only property representing version-number string of docker server
"""
if self._server is None:
regex = re.compile(r'Server\s*version:\s*(\d+\.\d+\.\d+\S*)',
re.IGNORECASE)
mobj = None
for line in self.version_lines:
mobj = regex.search(line.strip())
if bool(mobj):
self._server = mobj.group(1)
if self._server is None:
raise xceptions.DockerOutputError("Couldn't parse server version "
"from %s" % self.version_string)
return self._server
def _oops(self, what):
raise xceptions.DockerOutputError("Couldn't parse %s "
"from %s" %
(what, self.version_string))