Merge pull request #138 from xutian/ovs_quit

qemu.tests: new case to test quit vm in openvswith bridge

qemu/deps/ovs/qemu-ifdown

+#!/bin/sh
+
+# replace 'switch' openvswith bridge name in your system
+switch="switch"
+/sbin/ifconfig $1 0.0.0.0 down
+/usr/bin/ovs-vsctl del-port ${switch} $1

qemu/deps/ovs/qemu-ifup

+#!/bin/sh
+
+# replace 'switch' openvswith bridge name in your system
+switch='switch'
+/usr/sbin/ifconfig $1 0.0.0.0 up
+/usr/bin/ovs-vsctl add-port ${switch} $1

qemu/tests/cfg/ovs_quit.cfg

+- ovs_quit:
+    type = ovs_quit
+    image_snapshot = yes
+    virt_test_type = qemu
+    start_vm = no
+    only no_pci_assignable
+    nic_script = qemu-ifup
+    nic_downscript = qemu-ifdown
+    requires_root = yes

qemu/tests/ovs_quit.py

+from autotest.client import os_dep
+from autotest.client.shared import error, utils
+from virttest import data_dir, env_process, virt_vm, utils_misc
+
+
+@error.context_aware
+def run(test, params, env):
+    """
+    Test tap device deleted after vm quit with error
+
+    1) Boot a with invaild params.
+    1) Check qemu-kvm quit with error.
+    2) Check vm tap device delete from ovs bridge.
+
+    :param test: Kvm test object
+    :param params: Dictionary with the test parameters
+    :param env: Dictionary with test environment.
+    """
+
+    def get_ovs_ports(ovs):
+        cmd = "ovs-vsctl list-ports %s" % ovs
+        return set(utils.system_output(cmd).splitlines())
+
+    os_dep.command("ovs-vsctl")
+    netdst = params.get("netdst")
+    if netdst not in utils.system_output("ovs-vsctl list-br"):
+        raise error.TestError("%s isn't is openvswith bridge" % netdst)
+
+    deps_dir = data_dir.get_deps_dir("ovs")
+    nic_script = utils_misc.get_path(deps_dir, params["nic_script"])
+    nic_downscript = utils_misc.get_path(deps_dir, params["nic_downscript"])
+    params["nic_script"] = nic_script
+    params["nic_downscript"] = nic_downscript
+
+    params["qemu_command_prefix"] = "export SHELL=/usr/bin/bash;"
+    params["start_vm"] = "yes"
+    params["nettype"] = "bridge"
+    params["nic_model"] = "virtio-net-pci"
+
+    try:
+        ports = get_ovs_ports(netdst)
+        env_process.preprocess_vm(test, params, env, params["main_vm"])
+        env.get_vm(params["main_vm"])
+    except virt_vm.VMStartError:
+        ports = get_ovs_ports(netdst) - ports
+        if ports:
+            for p in ports:
+                utils.system("ovs-vsctl del-if %s %s" % (netdst, p))
+            raise error.TestFail("%s not delete after qemu quit." % ports)
+    else:
+        raise error.TestFail("Qemu should quit with error")