Add Sentry power strip control and cryptohome/sync stress test

client/common_lib/power_strip.py

+# Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import telnetlib, threading, time
+
+# Controls Server Technology CW-16V1-C20M switched CDUs over Telnet
+# Opens a new connection for every command to
+# avoid threading and address space conflicts
+
+class PowerStrip():
+    def __init__(self, host, user='admn', password='admn'):
+        self.host = host
+        self.user = user
+        self.password = password
+
+    def reboot(self, outlet, delay=0):
+        self.command('reboot', outlet, delay)
+
+    def off(self, outlet, delay=0):
+        self.command('off', outlet, delay)
+
+    def on(self, outlet, delay=0):
+        self.command('on', outlet, delay)
+
+    def command(self, command, outlet=1, delay=0):
+        if delay == 0:
+            self._do_command(command, outlet)
+        else:
+            threading.Timer(delay, self._do_command, (command, outlet)).start()
+
+    def _do_command(self, command, outlet=1):
+        tn = telnetlib.Telnet(self.host)
+        tn.read_until('Username: ')
+        tn.write(self.user + '\n')
+        tn.read_until('Password: ')
+        tn.write(self.password + '\n')
+        tn.read_until('Switched CDU: ')
+        tn.write('%s .a%d\n' % (command, outlet))
+        tn.read_some()
+        tn.close()