Handle ESRCH when sending signals
[ganeti-local] / test / ganeti.impexpd_unittest.py
1 #!/usr/bin/python
2 #
3
4 # Copyright (C) 2010 Google Inc.
5 #
6 # This program is free software; you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation; either version 2 of the License, or
9 # (at your option) any later version.
10 #
11 # This program is distributed in the hope that it will be useful, but
12 # WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14 # General Public License for more details.
15 #
16 # You should have received a copy of the GNU General Public License
17 # along with this program; if not, write to the Free Software
18 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
19 # 02110-1301, USA.
20
21
22 """Script for testing ganeti.impexpd"""
23
24 import os
25 import sys
26 import re
27 import unittest
28
29 from ganeti import constants
30 from ganeti import objects
31 from ganeti import compat
32 from ganeti import utils
33 from ganeti import errors
34 from ganeti import impexpd
35
36 import testutils
37
38
39 class CmdBuilderConfig(objects.ConfigObject):
40   __slots__ = [
41     "bind",
42     "key",
43     "cert",
44     "ca",
45     "host",
46     "port",
47     "compress",
48     "connect_timeout",
49     "connect_retries",
50     "cmd_prefix",
51     "cmd_suffix",
52     ]
53
54
55 def CheckCmdWord(cmd, word):
56   wre = re.compile(r"\b%s\b" % re.escape(word))
57   return compat.any(wre.search(i) for i in cmd)
58
59
60 class TestCommandBuilder(unittest.TestCase):
61   def test(self):
62     for mode in [constants.IEM_IMPORT, constants.IEM_EXPORT]:
63       if mode == constants.IEM_IMPORT:
64         comprcmd = "gunzip"
65       elif mode == constants.IEM_EXPORT:
66         comprcmd = "gzip"
67
68       for compress in [constants.IEC_NONE, constants.IEC_GZIP]:
69         for host in ["localhost", "1.2.3.4", "192.0.2.99"]:
70           for port in [0, 1, 1234, 7856, 45452]:
71             for cmd_prefix in [None, "PrefixCommandGoesHere|",
72                                "dd if=/dev/hda bs=1048576 |"]:
73               for cmd_suffix in [None, "< /some/file/name",
74                                  "| dd of=/dev/null"]:
75                 opts = CmdBuilderConfig(host=host, port=port, compress=compress,
76                                         cmd_prefix=cmd_prefix,
77                                         cmd_suffix=cmd_suffix)
78
79                 builder = impexpd.CommandBuilder(mode, opts, 1, 2, 3)
80
81                 # Check complete command
82                 cmd = builder.GetCommand()
83                 self.assert_(isinstance(cmd, list))
84
85                 if compress == constants.IEC_GZIP:
86                   self.assert_(CheckCmdWord(cmd, comprcmd))
87
88                 if cmd_prefix is not None:
89                   self.assert_(cmd_prefix in i for i in cmd)
90
91                 if cmd_suffix is not None:
92                   self.assert_(cmd_suffix in i for i in cmd)
93
94                 # Check socat command
95                 socat_cmd = builder._GetSocatCommand()
96
97                 if mode == constants.IEM_IMPORT:
98                   ssl_addr = socat_cmd[-2].split(",")
99                   self.assert_(("OPENSSL-LISTEN:%s" % port) in ssl_addr)
100                 elif mode == constants.IEM_EXPORT:
101                   ssl_addr = socat_cmd[-1].split(",")
102                   self.assert_(("OPENSSL:%s:%s" % (host, port)) in ssl_addr)
103
104                 self.assert_("verify=1" in ssl_addr)
105
106   def testCommaError(self):
107     opts = CmdBuilderConfig(host="localhost", port=1234,
108                             ca="/some/path/with,a/,comma")
109
110     for mode in [constants.IEM_IMPORT, constants.IEM_EXPORT]:
111       builder = impexpd.CommandBuilder(mode, opts, 1, 2, 3)
112       self.assertRaises(errors.GenericError, builder.GetCommand)
113
114   def testModeError(self):
115     mode = "foobarbaz"
116
117     assert mode not in [constants.IEM_IMPORT, constants.IEM_EXPORT]
118
119     opts = CmdBuilderConfig(host="localhost", port=1234)
120     builder = impexpd.CommandBuilder(mode, opts, 1, 2, 3)
121     self.assertRaises(errors.GenericError, builder.GetCommand)
122
123
124 class TestCalcThroughput(unittest.TestCase):
125   def test(self):
126     self.assertEqual(impexpd._CalcThroughput([]), None)
127     self.assertEqual(impexpd._CalcThroughput([(0, 0)]), None)
128
129     samples = [
130       (0.0, 0.0),
131       (10.0, 100.0),
132       ]
133     self.assertAlmostEqual(impexpd._CalcThroughput(samples), 10.0, 3)
134
135     samples = [
136       (5.0, 7.0),
137       (10.0, 100.0),
138       (16.0, 181.0),
139       ]
140     self.assertAlmostEqual(impexpd._CalcThroughput(samples), 15.818, 3)
141
142
143 if __name__ == "__main__":
144   testutils.GanetiTestProgram()