[PATCH] KVM-test: Add a new test: privacy test

[Amos Kong <akong@redhat.com>]

Communicate between two vms, and try to capture packages from another vm in
the same lan.
This test used tcpdump, so we need limit it with Linux guests.

Signed-off-by: Amos Kong <akong@redhat.com>
---
 client/tests/kvm/tests/privacy.py      |   44 ++++++++++++++++++++++++++++++++
 client/tests/kvm/tests_base.cfg.sample |    8 +++++-
 2 files changed, 51 insertions(+), 1 deletions(-)
 create mode 100644 client/tests/kvm/tests/privacy.py

diff --git a/client/tests/kvm/tests/privacy.py b/client/tests/kvm/tests/privacy.py
new file mode 100644
index 0000000..d052c66
--- /dev/null
+++ b/client/tests/kvm/tests/privacy.py
@@ -0,0 +1,44 @@
+import logging, time
+from autotest_lib.client.common_lib import error
+import kvm_test_utils
+
+
+def run_privacy(test, params, env):
+    """
+    Privacy test
+
+    1) Boot up three vms
+    2) Flood ping vm1 from vm2
+    3) Verify if we can capture ICMP packages from vm3
+
+    @param test: kvm test object
+    @param params: Dictionary with the test parameters
+    @param env: Dictionary with test environment.
+    """
+    timeout = float(params.get("login_timeout", 360))
+    vm1 = kvm_test_utils.get_living_vm(env, params.get("main_vm"))
+    vm2 = kvm_test_utils.get_living_vm(env, "vm2")
+    vm3 = kvm_test_utils.get_living_vm(env, "vm3")
+    session_vm1 = kvm_test_utils.wait_for_login(vm1, 0, timeout, 0, 2)
+    session_vm2 = kvm_test_utils.wait_for_login(vm2, 0, timeout, 0, 2)
+    session_vm3 = kvm_test_utils.wait_for_login(vm3, 0, timeout, 0, 2)
+
+    ip = vm1.get_address()
+    session_vm2.sendline("ping -f %s" % ip)
+    ethname = kvm_test_utils.get_linux_ifname(session_vm3,
+                                              vm3.get_mac_address(0))
+    sleep_time = int(params.get("sleep_time", 60))
+    cmd = "sleep %s && killall tcpdump & tcpdump -le -vv icmp and" \
+          " dst %s -i %s > /tmp/result" % (sleep_time, ip, ethname)
+
+    session_vm3.get_command_output(cmd, timeout=int(sleep_time+60))
+    time.sleep(sleep_time)
+    s, o = session_vm3.get_command_status_output("grep ICMP /tmp/result")
+    if s == 0:
+        raise error.TestFail("VM3 unexpected captured ICMP packages(vm2->vm1)!")
+    else:
+        logging.debug("Privacy test pass!")
+
+    session_vm1.close()
+    session_vm2.close()
+    session_vm3.close()
diff --git a/client/tests/kvm/tests_base.cfg.sample b/client/tests/kvm/tests_base.cfg.sample
index 661d6fe..29b7d97 100644
--- a/client/tests/kvm/tests_base.cfg.sample
+++ b/client/tests/kvm/tests_base.cfg.sample
@@ -666,6 +666,12 @@ variants:
         mgroup_count = 20
         flood_minutes = 1
 
+    - privacy:
+        type = privacy
+        vms += " vm2 vm3"
+        kill_vm = yes
+        image_snapshot = yes
+
     - pxe:
         type = pxe
         images = pxe
@@ -1737,7 +1743,7 @@ variants:
     # Windows section
     - @Windows:
         no autotest, linux_s3, vlan, ioquit, unattended_install.url, unattended_install.nfs, unattended_install.remote_ks
-        no jumbo, nicdriver_unload, nic_promisc, multicast, mac_change, ethtool, clock_getres
+        no jumbo, nicdriver_unload, nic_promisc, multicast, mac_change, ethtool, clock_getres, privacy
 
         shutdown_command = shutdown /s /f /t 0
         reboot_command = shutdown /r /f /t 0