add case for guest reboot or shutdown after detach nic

  xxxx-95889 - [virtual network][virtual-nic-device] guest reboot after hotunplug nic
  xxxx-95888 - [virtual network][virtual-nic-device] guest shutdown after hotunplug nic

Signed-off-by: nanli <[email protected]>

Author: nanli1

libvirt/tests/cfg/virtual_network/qemu/hotunplug_nic_with_operation.cfg

@@ -0,0 +1,31 @@
+- virtual_network.qemu_test.hotunplug_nic_with_operation:
+    type = hotunplug_nic_with_operation
+    start_vm = yes
+    take_regular_screendumps = no
+    create_vm_libvirt = "yes"
+    kill_vm_libvirt = "yes"
+    outside_ip = "8.8.8.8"
+    repeat_times = 1
+    login_timeout = 360
+    shutdown_command = "shutdown -h now"
+    ovmf:
+        kill_vm_libvirt_options = --nvram
+    RHEL.7:
+        make_change = yes
+    variants:
+        - with_shutdown:
+            variants:
+                - after_plug:
+                    sub_type_after_plug = shutdown
+                - after_unplug:
+                    sub_type_after_unplug = shutdown
+            shutdown_method = shell
+            check_image = yes
+        - with_reboot:
+            sub_type_after_plug = reboot
+            sub_type_after_unplug = reboot
+            reboot_method = shell
+    variants:
+        - nic_virtio_net:
+            model_type = virtio
+    iface_attrs = {"model": "${model_type}", "type_name": "network", "source": {"network": "default"}}

libvirt/tests/src/virtual_network/qemu/hotunplug_nic_with_operation.py

@@ -0,0 +1,125 @@
+# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+#
+#   Copyright Redhat
+#
+#   SPDX-License-Identifier: GPL-2.0
+#   Author: Transferred from tp-qemu nic_hotplug test case
+#
+# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+from virttest import virsh
+from virttest import utils_net
+
+from virttest.libvirt_xml import vm_xml
+from virttest.utils_libvirt import libvirt_vmxml
+
+from provider.virtual_network import network_base
+
+virsh_opt = {"debug": True, "ignore_status": False}
+
+
+def run_sub_test(test, vm, params, plug_tag):
+    """
+    Run subtest before/after hotplug/unplug device.
+
+    :param test: test object
+    :param vm: VM object
+    :param params: test parameters
+    :param plug_tag: identify when to run subtest, ex, after_plug
+    :return: whether vm was successfully shut-down if needed
+    """
+    sub_type = params.get("sub_type_%s" % plug_tag)
+    login_timeout = params.get_numeric("login_timeout", 360)
+    vm.cleanup_serial_console()
+    vm.create_serial_console()
+    session = vm.wait_for_serial_login(timeout=login_timeout)
+    shutdown_method = params.get("shutdown_method", "shell")
+    shutdown_command = params.get("shutdown_command")
+    if sub_type == "reboot":
+        test.log.info("Running sub test '%s' %s", sub_type, plug_tag)
+        if params.get("reboot_method"):
+            vm.reboot(session, params["reboot_method"], 0, login_timeout, serial=True)
+    elif sub_type == "shutdown":
+        test.log.info("Running sub test '%s' %s", sub_type, plug_tag)
+        if shutdown_method == "shell":
+            # Send a shutdown command to the guest's shell
+            session.sendline(shutdown_command)
+            return True
+
+    return False
+
+
+def run(test, params, env):
+    """
+    Test hotplug of virtio-net NIC devices with shutdown/reboot operations.
+
+    Transferred from tp-qemu nic_hotplug.one_pci.nic_virtio.with_shutdown/with_reboot
+    and adapted to tp-libvirt structure and function usage.
+
+    Test procedure:
+    1) Boot up guest without interface
+    2) Hotplug virtio-net interface through libvirt
+    3) Check if new interface gets ip address
+    4) Ping guest new ip from host
+    5) Pause/resume VM and verify connectivity
+    6) Hotunplug the interface
+    7) Perform shutdown or reboot operation based on test variant
+
+    :param test: QEMU test object
+    :param params: Dictionary with the test parameters
+    :param env: Dictionary with test environment
+    """
+    vm_name = params.get("main_vm")
+    vm = env.get_vm(vm_name)
+    iface_attrs = eval(params.get("iface_attrs", "{}"))
+    login_timeout = params.get_numeric("login_timeout", 360)
+    repeat_times = params.get_numeric("repeat_times", 1)
+    vmxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
+    mac = vm_xml.VMXML.get_first_mac_by_name(vm_name)
+    ping_params = {'guest_ping_host': 'pass'}
+    ips = {'host_ip': utils_net.get_host_ip_address(params)}
+
+    def setup_test():
+        """
+        Setup test environment for virtio-net hotplug test.
+        """
+        test.log.info("TEST_SETUP: Prepare guest without interface")
+        vmxml.remove_all_device_by_type('interface')
+        vmxml.sync()
+
+    def run_test():
+        """
+        Execute the main virtio-net hotplug with shutdown/reboot test.
+        """
+        for iteration in range(repeat_times):
+            test.log.info("Start test iteration %s", iteration + 1)
+            if not vm.is_alive():
+                vm.start()
+
+            test.log.info("TEST_STEP 1: Hotplug virtio-net interface")
+            iface = libvirt_vmxml.create_vm_device_by_type('interface', iface_attrs)
+            iface.mac_address = mac
+            virsh.attach_device(vm_name, iface.xml, wait_for_event=True,
+                                flagstr='--live', **virsh_opt)
+            session = vm.wait_for_login(timeout=login_timeout)
+
+            test.log.info("TEST_STEP 2: Ping host from guest")
+            network_base.ping_check(ping_params, ips, session, force_ipv4=True)
+
+            test.log.info("TEST_STEP 3: Pause vm and resume")
+            virsh.suspend(vm_name, **virsh_opt)
+            virsh.resume(vm_name, **virsh_opt)
+
+            test.log.info("TEST_STEP 4: Ping host from guest after resume")
+            network_base.ping_check(ping_params, ips, session, force_ipv4=True)
+            session.close()
+
+            vm_switched_off = run_sub_test(test, vm, params, "after_plug")
+            if vm_switched_off:
+                return
+
+            test.log.info("TEST_STEP 5: Hot-unplug the virtio-net interface")
+            virsh.detach_device(vm_name, iface.xml, wait_for_event=True, **virsh_opt)
+            run_sub_test(test, vm, params, "after_unplug")
+
+    setup_test()
+    run_test()