harness: machines: define custom buildall targets for armv7/armv8 machines
[barrelfish] / tools / harness / machines / msrc.py
1 ##########################################################################
2 # Copyright (c) 2009, ETH Zurich.
3 # All rights reserved.
4 #
5 # This file is distributed under the terms in the attached LICENSE file.
6 # If you do not find this file, copies can be found by writing to:
7 # ETH Zurich D-INFK, Haldeneggsteig 4, CH-8092 Zurich. Attn: Systems Group.
8 ##########################################################################
9
10 import sys, os, signal, time, getpass, subprocess, socket, pty
11 import debug, machines, msrc_machinedata
12 from machines import Machine, MachineLockedError, MachineFactory
13
14 TFTP_PATH='/tftpboot'
15 TOOLS_PATH='/home/netos/tools/bin'
16 RACKBOOT=os.path.join(TOOLS_PATH, 'rackboot.sh')
17 RACKPOWER=os.path.join(TOOLS_PATH, 'rackpower')
18
19 class MSRCMachine(Machine):
20     _msrc_machines = msrc_machinedata.machines
21
22     def __init__(self, options):
23         super(MSRCMachine, self).__init__(options)
24         self.lockprocess = None
25
26     def get_bootarch(self):
27         b = self._msrc_machines[self.name]['bootarch']
28         assert(b in self.get_buildarchs())
29         return b
30
31     def get_machine_name(self):
32         return self._msrc_machines[self.name]['machine_name']
33
34     def get_buildarchs(self):
35         return self._msrc_machines[self.name]['buildarchs']
36
37     def get_ncores(self):
38         return self._msrc_machines[self.name]['ncores']
39
40     def get_cores_per_socket(self):
41         return self._msrc_machines[self.name]['cores_per_socket']
42
43     def get_tickrate(self):
44         return self._msrc_machines[self.name]['tickrate']
45
46     def get_perfcount_type(self):
47         return self._msrc_machines[self.name]['perfcount_type']
48
49     def get_hostname(self):
50         return self.get_machine_name()
51
52     def get_ip(self):
53         return socket.gethostbyname(self.get_hostname())
54
55     def get_tftp_dir(self):
56         user = getpass.getuser()
57         return os.path.join(TFTP_PATH, user, self.name + "_harness")
58
59     def _write_menu_lst(self, data, path):
60         debug.verbose('writing %s' % path)
61         debug.debug(data)
62         f = open(path, 'w')
63         f.write(data)
64         f.close()
65
66     def _set_menu_lst(self, relpath):
67         ip_menu_name = os.path.join(TFTP_PATH, "menu.lst." + self.get_ip())
68         debug.verbose('relinking %s to %s' % (ip_menu_name, relpath))
69         os.remove(ip_menu_name)
70         os.symlink(relpath, ip_menu_name)
71
72     def set_bootmodules(self, modules):
73         fullpath = os.path.join(self.get_tftp_dir(), 'menu.lst')
74         relpath = os.path.relpath(fullpath, TFTP_PATH)
75         tftppath = '/' + os.path.relpath(self.get_tftp_dir(), TFTP_PATH)
76         self._write_menu_lst(modules.get_menu_data(tftppath), fullpath)
77         self._set_menu_lst(relpath)
78
79     def lock(self):
80         """Use conserver to lock the machine."""
81
82         # find out current status of console
83         debug.verbose('executing "console -i %s" to check state' %
84                       self.get_machine_name())
85         proc = subprocess.Popen(["console", "-i", self.get_machine_name()],
86                                 stdout=subprocess.PIPE)
87         line = proc.communicate()[0]
88         assert(proc.returncode == 0)
89
90         # check that nobody else has it open for writing
91         myuser = getpass.getuser()
92         parts = line.strip().split(':')
93         conname, child, contype, details, users, state = parts[:6]
94         if users:
95             for userinfo in users.split(','):
96                 mode, username, host, port = userinfo.split('@')[:4]
97                 if 'w' in mode and username != myuser:
98                     raise MachineLockedError # Machine is not free
99
100         # run a console in the background to 'hold' the lock and read output
101         debug.verbose('starting "console %s"' % self.get_machine_name())
102         # run on a PTY to work around terminal mangling code in console
103         (masterfd, slavefd) = pty.openpty()
104         self.lockprocess = subprocess.Popen(["console", self.get_machine_name()],
105                                             close_fds=True,
106                                             stdout=slavefd, stdin=slavefd)
107         os.close(slavefd)
108         # XXX: open in binary mode with no buffering
109         # otherwise select.select() may block when there is data in the buffer
110         self.console_out = os.fdopen(masterfd, 'rb', 0)
111
112     def unlock(self):
113         if self.lockprocess is None:
114             return # noop
115         debug.verbose('terminating console process (%d)' % self.lockprocess.pid)
116         os.kill(self.lockprocess.pid, signal.SIGTERM)
117         self.lockprocess.wait()
118         self.lockprocess = None
119
120     def __rackboot(self, args):
121         debug.checkcmd([RACKBOOT] + args + [self.get_machine_name()])
122
123     def setup(self):
124         self.__rackboot(["-b", "-n"])
125
126     def __rackpower(self, arg):
127         try:
128             debug.checkcmd([RACKPOWER, arg, self.get_machine_name()])
129         except subprocess.CalledProcessError:
130             debug.warning("rackpower %s %s failed" %
131                           (arg, self.get_machine_name()))
132
133     def reboot(self):
134         self.__rackpower('-r')
135
136     def shutdown(self):
137         self.__rackpower('-d')
138
139     def get_output(self):
140         return self.console_out
141
142
143 for n in sorted(MSRCMachine._msrc_machines.keys()):
144     class TmpMachine(MSRCMachine):
145         name = n
146     MachineFactory.addMachine(n, TmpMachine)