Merge remote branch 'cros/upstream' into tempbranch

client/tests/kvm/tests/pxe.py

Index: client/tests/kvm/tests/pxe.py
diff --git a/client/tests/kvm/tests/pxe.py b/client/tests/kvm/tests/pxe.py
new file mode 100644
index 0000000000000000000000000000000000000000..ec9a549640e1d8aaaf4a29eb15d1a6b4c3b181cc
--- /dev/null
+++ b/client/tests/kvm/tests/pxe.py
@@ -0,0 +1,31 @@
+import logging
+from autotest_lib.client.common_lib import error
+import kvm_subprocess, kvm_test_utils
+
+
+def run_pxe(test, params, env):
+    """
+    PXE test:
+
+    1) Snoop the tftp packet in the tap device.
+    2) Wait for some seconds.
+    3) Check whether we could capture TFTP packets.
+
+    @param test: KVM test object.
+    @param params: Dictionary with the test parameters.
+    @param env: Dictionary with test environment.
+    """
+    vm = kvm_test_utils.get_living_vm(env, params.get("main_vm"))
+    timeout = int(params.get("pxe_timeout", 60))
+
+    logging.info("Try to boot from PXE")
+    status, output = kvm_subprocess.run_fg("tcpdump -nli %s" % vm.get_ifname(),
+                                           logging.debug,
+                                           "(pxe capture) ",
+                                           timeout)
+
+    logging.info("Analyzing the tcpdump result...")
+    if not "tftp" in output:
+        raise error.TestFail("Couldn't find any TFTP packets after %s seconds" %
+                             timeout)
+    logging.info("Found TFTP packet")