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import glob
import os
import shutil
from itertools import product
from lib.server_mixins import ValgrindMixin
from lib.server_mixins import GdbMixin
from lib.server_mixins import GdbServerMixin
from lib.server_mixins import LLdbMixin
from lib.server_mixins import StraceMixin
from lib.colorer import color_stdout
class Server(object):
"""Server represents a single server instance. Normally, the
program operates with only one server, but in future we may add
replication slaves. The server is started once at the beginning
of each suite, and stopped at the end."""
DEFAULT_INSPECTOR = 0
TEST_RUN_DIR = os.path.abspath(os.path.join(os.path.dirname(__file__), ".."))
@property
def vardir(self):
if not hasattr(self, '_vardir'):
raise ValueError("No vardir specified")
return self._vardir
@vardir.setter
def vardir(self, path):
if path == None:
return
self._vardir = os.path.abspath(path)
@staticmethod
def get_mixed_class(cls, ini):
if ini is None:
return cls
conflict_options = ('valgrind', 'gdb', 'gdbserver', 'lldb', 'strace')
for op1, op2 in product(conflict_options, repeat=2):
if op1 != op2 and \
(op1 in ini and ini[op1]) and \
(op2 in ini and ini[op2]):
format_str = 'Can\'t run under {} and {} simultaniously'
raise OSError(format_str.format(op1, op2))
lname = cls.__name__.lower()
if ini.get('valgrind') and not 'valgrind' in lname:
cls = type('Valgrind' + cls.__name__, (ValgrindMixin, cls), {})
elif ini.get('gdbserver') and not 'gdbserver' in lname:
cls = type('GdbServer' + cls.__name__, (GdbServerMixin, cls), {})
elif ini.get('gdb') and not 'gdb' in lname:
cls = type('Gdb' + cls.__name__, (GdbMixin, cls), {})
elif ini.get('lldb') and not 'lldb' in lname:
cls = type('LLdb' + cls.__name__, (LLdbMixin, cls), {})
elif 'strace' in ini and ini['strace']:
cls = type('Strace' + cls.__name__, (StraceMixin, cls), {})
return cls
def __new__(cls, ini=None, *args, **kwargs):
if ini == None or 'core' not in ini or ini['core'] is None:
return object.__new__(cls)
core = ini['core'].lower().strip()
cls.mdlname = "lib.{0}_server".format(core.replace(' ', '_'))
cls.clsname = "{0}Server".format(core.title().replace(' ', ''))
corecls = __import__(cls.mdlname, fromlist=cls.clsname).__dict__[cls.clsname]
return corecls.__new__(corecls, ini, *args, **kwargs)
def __init__(self, ini, test_suite=None):
self.core = ini['core']
self.ini = ini
self.re_vardir_cleanup = ['*.core.*', 'core']
self.vardir = ini['vardir']
self.inspector_port = int(ini.get(
'inspector_port', self.DEFAULT_INSPECTOR
))
# filled in {Test,FuncTest,LuaTest,PythonTest}.execute()
# or passed through execfile() for PythonTest (see
# TarantoolServer.__init__).
self.current_test = None
# Used in valgrind_log property. 'test_suite' is not None only for
# default servers running in TestSuite.run_all()
self.test_suite = test_suite
def prepare_args(self, args=[]):
return args
def cleanup(self, full=False):
if full:
shutil.rmtree(self.vardir)
return
for re in self.re_vardir_cleanup:
for f in glob.glob(os.path.join(self.vardir, re)):
if os.path.isdir(f):
shutil.rmtree(f)
else:
os.remove(f)
def install(self, binary=None, vardir=None, mem=None, silent=True):
pass
def init(self):
pass
def start(self, silent=True):
pass
def stop(self, silent=True):
pass
def restart(self):
pass
def print_log(self, lines):
color_stdout('\nLast {0} lines of Tarantool Log file [Instance "{1}"][{2}]:\n'.format(
lines, self.name, self.logfile or 'null'), schema='error')
if os.path.exists(self.logfile):
with open(self.logfile, 'r') as log:
color_stdout(''.join(log.readlines()[-lines:]))
else:
color_stdout(" Can't find log:\n", schema='error')
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