summaryrefslogtreecommitdiff
path: root/source4/scripting/devel/wintest/wintest.py
blob: 13424ef2f3642f02fa21f96a994934314749a2c4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
#!/usr/bin/env python

'''automated testing library for testing Samba against windows'''

import pexpect, subprocess
import sys, os, time

class wintest():
    '''testing of Samba against windows VMs'''

    def __init__(self):
        self.vars = {}
        os.putenv('PYTHONUNBUFFERED', '1')

    def setvar(self, varname, value):
        '''set a substitution variable'''
        self.vars[varname] = value

    def load_config(self, fname):
        '''load the config file'''
        f = open(fname)
        for line in f:
            line = line.strip()
            if len(line) == 0 or line[0] == '#':
                continue
            colon = line.find(':')
            if colon == -1:
                raise RuntimeError("Invalid config line '%s'" % line)
            varname = line[0:colon].strip()
            value   = line[colon+1:].strip()
            self.setvar(varname, value)

    def substitute(self, text):
        """Substitute strings of the form ${NAME} in text, replacing
        with substitutions from vars.
        """
        if isinstance(text, list):
            ret = text[:]
            for i in range(len(ret)):
                ret[i] = self.substitute(ret[i])
            return ret

        while True:
            var_start = text.find("${")
            if var_start == -1:
                return text
            var_end = text.find("}", var_start)
            if var_end == -1:
                return text
            var_name = text[var_start+2:var_end]
            if not var_name in self.vars:
                raise RuntimeError("Unknown substitution variable ${%s}" % var_name)
            text = text.replace("${%s}" % var_name, self.vars[var_name])
        return text

    def putenv(self, key, value):
        '''putenv with substitution'''
        os.putenv(key, self.substitute(value))

    def chdir(self, dir):
        '''chdir with substitution'''
        os.chdir(self.substitute(dir))


    def run_cmd(self, cmd, dir=".", show=None, output=False, checkfail=True):
        cmd = self.substitute(cmd)
        if isinstance(cmd, list):
            print('$ ' + " ".join(cmd))
        else:
            print('$ ' + cmd)
        if output:
            return subprocess.Popen([cmd], shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, cwd=dir).communicate()[0]
        if isinstance(cmd, list):
            shell=False
        else:
            shell=True
        if checkfail:
            return subprocess.check_call(cmd, shell=shell, cwd=dir)
        else:
            return subprocess.call(cmd, shell=shell, cwd=dir)


    def cmd_output(self, cmd):
        '''return output from and command'''
        cmd = self.substitute(cmd)
        return self.run_cmd(cmd, output=True)

    def cmd_contains(self, cmd, contains, nomatch=False, ordered=False):
        '''check that command output contains the listed strings'''
        out = self.cmd_output(cmd)
        print out
        for c in self.substitute(contains):
            ofs = out.find(c)
            if nomatch:
                if ofs != -1:
                    raise RuntimeError("Expected to not see %s in %s" % (c, cmd))
            else:
                if ofs == -1:
                    raise RuntimeError("Expected to see %s in %s" % (c, cmd))
            if ordered and ofs != -1:
                ofs += len(c)
                out = out[ofs:]

    def retry_cmd(self, cmd, contains, retries=30, delay=2, wait_for_fail=False):
        '''retry a command a number of times'''
        while retries > 0:
            try:
                self.cmd_contains(cmd, contains, nomatch=wait_for_fail)
                return
            except:
                time.sleep(delay)
                retries = retries - 1
        raise RuntimeError("Failed to find %s" % contains)

    def pexpect_spawn(self, cmd, timeout=60):
        '''wrapper around pexpect spawn'''
        cmd = self.substitute(cmd)
        print("$ " + cmd)
        ret = pexpect.spawn(cmd, logfile=sys.stdout, timeout=timeout)

        def sendline_sub(line):
            line = self.substitute(line).replace('\n', '\r\n')
            return ret.old_sendline(line + '\r')

        def expect_sub(line, timeout=ret.timeout):
            line = self.substitute(line)
            return ret.old_expect(line, timeout=timeout)

        ret.old_sendline = ret.sendline
        ret.sendline = sendline_sub
        ret.old_expect = ret.expect
        ret.expect = expect_sub

        return ret

    def vm_poweroff(self, vmname, checkfail=True):
        '''power off a VM'''
        self.setvar('VMNAME', vmname)
        self.run_cmd("${VM_POWEROFF}", checkfail=checkfail)

    def vm_restore(self, vmname, snapshot):
        '''restore a VM'''
        self.setvar('VMNAME', vmname)
        self.setvar('SNAPSHOT', snapshot)
        self.run_cmd("${VM_RESTORE}")

    def ping_wait(self, hostname):
        '''wait for a hostname to come up on the network'''
        hostname = self.substitute(hostname)
        loops=10
        while loops > 0:
            try:
                self.run_cmd("ping -c 1 -w 10 %s" % hostname)
                break
            except:
                loops = loops - 1
        if loops == 0:
            raise RuntimeError("Failed to ping %s" % hostname)
        print("Host %s is up" % hostname)

    def port_wait(self, hostname, port, retries=100, delay=2, wait_for_fail=False):
        '''wait for a host to come up on the network'''
        self.retry_cmd("nc -v -z -w 1 %s %u" % (hostname, port), ['succeeded'],
                       retries=retries, delay=delay, wait_for_fail=wait_for_fail)

    def run_net_time(self, child):
        '''run net time on windows'''
        child.sendline("net time \\\\${HOSTNAME} /set")
        child.expect("Do you want to set the local computer")
        child.sendline("Y")
        child.expect("The command completed successfully")

    def run_date_time(self, child, time_tuple=None):
        '''run date and time on windows'''
        if time_tuple is None:
            time_tuple = time.localtime()
        child.sendline("date")
        child.expect("Enter the new date:")
        child.sendline(time.strftime("%m-%d-%y", time_tuple))
        child.expect("C:")
        child.sendline("time")
        child.expect("Enter the new time:")
        child.sendline(time.strftime("%H:%M:%S", time_tuple))
        child.expect("C:")


    def open_telnet(self, hostname, username, password, retries=30, delay=3, set_time=False):
        '''open a telnet connection to a windows server, return the pexpect child'''
        while retries > 0:
            child = self.pexpect_spawn("telnet " + hostname + " -l '" + username + "'")
            i = child.expect(["Welcome to Microsoft Telnet Service",
                              "No more connections are allowed to telnet server",
                              "Unable to connect to remote host",
                              "No route to host"])
            if i != 0:
                child.close()
                time.sleep(delay)
                retries -= 1
                continue
            child.expect("password:")
            child.sendline(password)
            child.expect("C:")
            if set_time:
                self.run_date_time(child, None)
            return child
        raise RuntimeError("Failed to connect with telnet")

    def kinit(self, username, password):
        '''use kinit to setup a credentials cache'''
        self.run_cmd("kdestroy")
        self.putenv('KRB5CCNAME', "${PREFIX}/ccache.test")
        username = self.substitute(username)
        s = username.split('@')
        if len(s) > 0:
            s[1] = s[1].upper()
        username = '@'.join(s)
        child = self.pexpect_spawn('kinit -V ' + username)
        child.expect("Password for")
        child.sendline(password)
        child.expect("Authenticated to Kerberos")