KVM test: Test 802.1Q vlan of nic

Commit Message

Lucas Meneghel Rodrigues Dec. 1, 2009, 3:58 a.m. UTC

None

Patch

diff --git a/client/tests/kvm/kvm_tests.cfg.sample b/client/tests/kvm/kvm_tests.cfg.sample
index feffb8d..5e15b30 100644
--- a/client/tests/kvm/kvm_tests.cfg.sample
+++ b/client/tests/kvm/kvm_tests.cfg.sample
@@ -243,6 +243,17 @@  variants:
         kill_vm = yes
         kill_vm_gracefully = no
 
+    - vlan_tag:  install setup unattended_install
+        type = vlan_tag
+        # subnet should not be used by host
+        subnet = 192.168.123
+        vlans = "10 20"
+        nic_mode = tap
+        vms += " vm2"
+        extra_params_vm1 += " -snapshot"
+        extra_params_vm2 += " -snapshot"
+        kill_vm_gracefully_vm2 = no
+        address_index_vm2 = 1
 
 # NICs
 variants:
@@ -525,7 +536,7 @@  variants:
                             unattended_file = unattended/RHEL-3-series.ks
     # Windows section
     - @Windows:
-        no autotest linux_s3
+        no autotest linux_s3 vlan_tag
         shutdown_command = shutdown /s /t 0
         reboot_command = shutdown /r /t 0
         status_test_command = echo %errorlevel%
diff --git a/client/tests/kvm/tests/vlan_tag.py b/client/tests/kvm/tests/vlan_tag.py
new file mode 100644
index 0000000..88baf23
--- /dev/null
+++ b/client/tests/kvm/tests/vlan_tag.py
@@ -0,0 +1,67 @@ 
+import logging, time
+from autotest_lib.client.common_lib import error
+import kvm_subprocess, kvm_test_utils, kvm_utils
+
+
+def run_vlan_tag(test, params, env):
+    """
+    Test 802.1Q vlan of NIC, config it by vconfig command.
+
+    1) Create two VMs.
+    2) Setup guests in different VLANs by vconfig and test communication by
+       ping using hard-coded ip addresses.
+    3) Setup guests in same vlan and test communication by ping.
+    4) Recover the vlan config.
+
+    @param test: KVM test object.
+    @param params: Dictionary with the test parameters.
+    @param env: Dictionary with test environment.
+    """
+    subnet = params.get("subnet")
+    vlans = params.get("vlans").split()
+
+    vm1 = kvm_test_utils.get_living_vm(env, params.get("main_vm"))
+    vm2 = kvm_test_utils.get_living_vm(env, "vm2")
+
+    session1 = kvm_test_utils.wait_for_login(vm1)
+    session2 = kvm_test_utils.wait_for_login(vm2)
+
+    try:
+        ip_cfg_base = "vconfig add eth0 %s && ifconfig eth0.%s %s.%s"
+        ip_cfg_cmd1 = ip_cfg_base % (vlans[0], vlans[0], subnet, "11")
+        ip_cfg_cmd2 = ip_cfg_base % (vlans[1], vlans[1], subnet, "12")
+
+        # Configure VM1 and VM2 in different VLANs
+        ip_cfg_vm1 = session1.get_command_status(ip_cfg_cmd1)
+        if ip_cfg_vm1 != 0:
+            raise error.TestError("Failed to config VM 1 IP address")
+        ip_cfg_vm2 = session2.get_command_status(ip_cfg_cmd2)
+        if ip_cfg_vm2 != 0:
+            raise error.TestError("Failed to config VM 2 IP address")
+
+        # Trying to ping VM 2 from VM 1, this shouldn't work
+        ping_cmd = "ping -c 2 -I eth0.%s %s.%s" % (vlans[0], subnet, "12")
+        ping_diff_vlan = session1.get_command_status(ping_cmd)
+        if ping_diff_vlan == 0:
+            raise error.TestFail("VM 2 can be reached even though it was "
+                                 "configured on a different VLAN")
+
+        # Now let's put VM 2 in the same VLAN as VM 1
+        ip_cfg_reconfig= ("vconfig rem eth0.%s && vconfig add eth0 %s && "
+                          "ifconfig eth0.%s %s.%s" % (vlans[1], vlans[0],
+                                                      vlans[0], subnet, "12"))
+        ip_cfg_vm2 = session2.get_command_status(ip_cfg_reconfig)
+        if ip_cfg_vm2 != 0:
+            raise error.TestError("Failed to re-config IP address of VM 2")
+
+        # Try to ping VM 2 from VM 1, this should work
+        ping_same_vlan = session1.get_command_status(ping_cmd)
+        if ping_same_vlan != 0:
+            raise error.TestFail("Failed to ping VM 2 even though it was "
+                                 "configured on the same VLAN")
+
+    finally:
+        session1.get_command_status("vconfig rem eth0.%s" % vlans[0])
+        session1.close()
+        session2.get_command_status("vconfig rem eth0.%s" % vlans[0])
+        session2.close()