First commit of new tools/run-tests.py

tools/testrunner/server/work_handler.py

+# Copyright 2012 the V8 project authors. All rights reserved.
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+#       notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+#       copyright notice, this list of conditions and the following
+#       disclaimer in the documentation and/or other materials provided
+#       with the distribution.
+#     * Neither the name of Google Inc. nor the names of its
+#       contributors may be used to endorse or promote products derived
+#       from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+import os
+import SocketServer
+import stat
+import subprocess
+import threading
+
+from . import compression
+from . import constants
+from . import discovery
+from . import signatures
+from ..network import endpoint
+from ..objects import workpacket
+
+
+class WorkHandler(SocketServer.BaseRequestHandler):
+
+  def handle(self):
+    rec = compression.Receiver(self.request)
+    while not rec.IsDone():
+      data = rec.Current()
+      with self.server.job_lock:
+        self._WorkOnWorkPacket(data)
+      rec.Advance()
+
+  def _WorkOnWorkPacket(self, data):
+    server_root = self.server.daemon.root
+    v8_root = os.path.join(server_root, "v8")
+    os.chdir(v8_root)
+    packet = workpacket.WorkPacket.Unpack(data)
+    self.ctx = packet.context
+    self.ctx.shell_dir = os.path.join("out",
+                                      "%s.%s" % (self.ctx.arch, self.ctx.mode))
+    if not os.path.isdir(self.ctx.shell_dir):
+      os.makedirs(self.ctx.shell_dir)
+    for binary in packet.binaries:
+      if not self._UnpackBinary(binary, packet.pubkey_fingerprint):
+        return
+
+    if not self._CheckoutRevision(packet.base_revision):
+      return
+
+    if not self._ApplyPatch(packet.patch):
+      return
+
+    tests = packet.tests
+    endpoint.Execute(v8_root, self.ctx, tests, self.request, self.server.daemon)
+    self._SendResponse()
+
+  def _SendResponse(self, error_message=None):
+    try:
+      if error_message:
+        compression.Send([-1, error_message], self.request)
+      compression.Send(constants.END_OF_STREAM, self.request)
+      return
+    except Exception, e:
+      pass  # Peer is gone. There's nothing we can do.
+    # Clean up.
+    self._Call("git checkout -f")
+    self._Call("git clean -f -d")
+    self._Call("rm -rf %s" % self.ctx.shell_dir)
+
+  def _UnpackBinary(self, binary, pubkey_fingerprint):
+    binary_name = binary["name"]
+    if binary_name == "libv8.so":
+      libdir = os.path.join(self.ctx.shell_dir, "lib.target")
+      if not os.path.exists(libdir): os.makedirs(libdir)
+      target = os.path.join(libdir, binary_name)
+    else:
+      target = os.path.join(self.ctx.shell_dir, binary_name)
+    pubkeyfile = "../trusted/%s.pem" % pubkey_fingerprint
+    if not signatures.VerifySignature(target, binary["blob"],
+                                      binary["sign"], pubkeyfile):
+      self._SendResponse("Signature verification failed")
+      return False
+    os.chmod(target, stat.S_IRWXU)
+    return True
+
+  def _CheckoutRevision(self, base_revision):
+    code = self._Call("git checkout -f %s" % base_revision)
+    if code != 0:
+      self._Call("git fetch")
+      code = self._Call("git checkout -f %s" % base_revision)
+    if code != 0:
+      self._SendResponse("Error trying to check out base revision.")
+      return False
+    code = self._Call("git clean -f -d")
+    if code != 0:
+      self._SendResponse("Failed to reset checkout")
+      return False
+    return True
+
+  def _ApplyPatch(self, patch):
+    patchfilename = "_dtest_incoming_patch.patch"
+    with open(patchfilename, "w") as f:
+      f.write(patch)
+    code = self._Call("git apply %s" % patchfilename)
+    if code != 0:
+      self._SendResponse("Error applying patch.")
+      return False
+    return True
+
+  def _Call(self, cmd):
+    return subprocess.call(cmd, shell=True)
+
+
+class WorkSocketServer(SocketServer.ThreadingMixIn, SocketServer.TCPServer):
+  def __init__(self, daemon):
+    address = (daemon.ip, constants.PEER_PORT)
+    SocketServer.TCPServer.__init__(self, address, WorkHandler)
+    self.job_lock = threading.Lock()
+    self.daemon = daemon