criu/test/rpc/errno.py
Andrew Vagin 8869d3ccc8 test/rpc: don't use shell-job
We want to execute this test in Jenkins.

Signed-off-by: Andrew Vagin <avagin@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
2015-05-08 16:57:28 +03:00

135 lines
3 KiB
Python
Executable file

#!/usr/bin/python
# Test criu errno
import socket, os, imp, sys, errno
import rpc_pb2 as rpc
import argparse
parser = argparse.ArgumentParser(description="Test errno reported by CRIU RPC")
parser.add_argument('socket', type = str, help = "CRIU service socket")
parser.add_argument('dir', type = str, help = "Directory where CRIU images should be placed")
args = vars(parser.parse_args())
# Prepare dir for images
class test:
def __init__(self):
self.imgs_fd = os.open(args['dir'], os.O_DIRECTORY)
self.s = -1
self._MAX_MSG_SIZE = 1024
def connect(self):
self.s = socket.socket(socket.AF_UNIX, socket.SOCK_SEQPACKET)
self.s.connect(args['socket'])
def get_base_req(self):
req = rpc.criu_req()
req.opts.log_level = 4
req.opts.images_dir_fd = self.imgs_fd
return req
def send_req(self, req):
self.connect()
self.s.send(req.SerializeToString())
def recv_resp(self):
resp = rpc.criu_resp()
resp.ParseFromString(self.s.recv(self._MAX_MSG_SIZE))
return resp
def check_resp(self, resp, typ, err):
if resp.type != typ:
raise Exception('Unexpected responce type ' + str(resp.type))
if resp.success:
raise Exception('Unexpected success = True')
if err and resp.cr_errno != err:
raise Exception('Unexpected cr_errno ' + str(resp.cr_errno))
def no_process(self):
print 'Try to dump unexisting process'
# Get pid of non-existing process.
# Suppose max_pid is not taken by any process.
with open("/proc/sys/kernel/pid_max", "r") as f:
pid = int(f.readline())
try:
os.kill(pid, 0)
except OSError:
pass
else:
raise Exception('max pid is taken')
# Ask criu to dump non-existing process.
req = self.get_base_req()
req.type = rpc.DUMP
req.opts.pid = pid
self.send_req(req)
resp = self.recv_resp()
self.check_resp(resp, rpc.DUMP, errno.ESRCH)
print 'Success'
def process_exists(self):
print 'Try to restore process which pid is already taken by other process'
# Perform self-dump
req = self.get_base_req()
req.type = rpc.DUMP
req.opts.leave_running = True
self.send_req(req)
resp = self.recv_resp()
if resp.success != True:
raise Exception('Self-dump failed')
# Ask to restore process from images of ourselves
req = self.get_base_req()
req.type = rpc.RESTORE
self.send_req(req)
resp = self.recv_resp()
self.check_resp(resp, rpc.RESTORE, errno.EEXIST)
print 'Success'
def bad_options(self):
print 'Try to send criu invalid opts'
# Subdirs are not allowed in log_file
req = self.get_base_req()
req.type = rpc.DUMP
req.opts.log_file = "../file.log"
self.send_req(req)
resp = self.recv_resp()
self.check_resp(resp, rpc.DUMP, errno.EBADRQC)
print 'Success'
def bad_request(self):
print 'Try to send criu invalid request type'
req = self.get_base_req()
req.type = rpc.NOTIFY
self.send_req(req)
resp = self.recv_resp()
self.check_resp(resp, rpc.EMPTY, None)
print 'Success'
def run(self):
self.no_process()
self.process_exists()
self.bad_options()
self.bad_request()
t = test()
t.run()