From 36d29b75fc4a699858e9b749fee9d97fa4b2d488 Mon Sep 17 00:00:00 2001
From: nanli <nanli@redhat.com>
Date: Mon, 3 Jul 2023 15:46:59 +0800
Subject: [PATCH] add case for restart service after config shared memory    
 VIRT-298224: Verify the libvirt can identify shared memory after restart
 libvirtd/virtqemud

Signed-off-by: nanli <nanli@redhat.com>
---
 .../cfg/virtual_device/filesystem_device.cfg  |  7 +++++
 .../src/virtual_device/filesystem_device.py   | 26 +++++++++++++++++++
 2 files changed, 33 insertions(+)

diff --git a/libvirt/tests/cfg/virtual_device/filesystem_device.cfg b/libvirt/tests/cfg/virtual_device/filesystem_device.cfg
index 22ab89a0c46..4a754c3821b 100644
--- a/libvirt/tests/cfg/virtual_device/filesystem_device.cfg
+++ b/libvirt/tests/cfg/virtual_device/filesystem_device.cfg
@@ -86,6 +86,13 @@
                     bug_url = "https://bugzilla.redhat.com/show_bug.cgi?id=1940276"
                     destroy_start = "yes"
                     stress_script = "#!/usr/bin/python3;import os;while True:;    os.open("%s/moo", os.O_CREAT | os.O_RDWR);    os.unlink("%s/moo");"
+                - restart_service:
+                    only file_backed
+                    setup_mem = True
+                    source_dir = "/var/tmp/mount_tag0"
+                    dev_type = "filesystem"
+                    vm_attrs = {'mb': {"source_type":"file", 'access_mode': 'shared'}}
+                    fs_dict = {'accessmode':'passthrough', 'driver': {'type': 'virtiofs', 'queue':'512'}, 'source':{'dir': '${source_dir}'}, "target": {'dir': 'mount_tag0'}, 'binary': {'path': '/usr/libexec/virtiofsd', 'xattr': 'on','cache_mode':'none','lock_posix':'off','flock':'off'}}
         - coldplug_coldunplug:
             only xattr_on.flock_off.lock_posix_off.cache_mode_none..one_fs
             coldplug = "yes"
diff --git a/libvirt/tests/src/virtual_device/filesystem_device.py b/libvirt/tests/src/virtual_device/filesystem_device.py
index 7f621f8b7ae..37da2210ac5 100644
--- a/libvirt/tests/src/virtual_device/filesystem_device.py
+++ b/libvirt/tests/src/virtual_device/filesystem_device.py
@@ -18,6 +18,7 @@
 from virttest.utils_test import libvirt_device_utils
 from virttest.utils_test import libvirt
 from virttest.utils_libvirt import libvirt_pcicontr
+from virttest.utils_libvirt import libvirt_vmxml
 
 
 # Using as lower capital is not the best way to do, but this is just a
@@ -222,6 +223,11 @@ def check_filesystem_in_guest(vm, fs_dev):
     bug_url = params.get("bug_url", "")
     script_content = params.get("stress_script", "")
     stdio_handler_file = "file" == params.get("stdio_handler")
+    setup_mem = params.get("setup_mem", False)
+    vm_attrs = eval(params.get('vm_attrs', '{}'))
+    fs_dict = eval(params.get('fs_dict', '{}'))
+    source_dir = params.get('source_dir')
+    dev_type = params.get('dev_type')
 
     fs_devs = []
     vms = []
@@ -245,6 +251,26 @@ def check_filesystem_in_guest(vm, fs_dev):
         test.cancel("Bug %s is not fixed on current build" % bug_url)
 
     try:
+        if setup_mem:
+            vmxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_names[int(guest_num)-1])
+            vmxml.setup_attrs(**vm_attrs)
+            virsh.define(vmxml.xml, debug=True, ignore_status=False)
+
+            libvirtd = utils_libvirtd.Libvirtd()
+            libvirtd.restart()
+
+            vmxml = vm_xml.VMXML.new_from_dumpxml(vm_names[int(guest_num)-1])
+            vmxml.remove_all_device_by_type(dev_type)
+            vmxml.sync()
+            vm = env.get_vm(vm_names[int(guest_num)-1])
+            vm.start()
+            vm.wait_for_login(timeout=120)
+            os.mkdir(source_dir)
+
+            fs = libvirt_vmxml.create_vm_device_by_type(dev_type, fs_dict)
+            virsh.attach_device(vm_names[int(guest_num)-1], fs.xml,
+                                debug=True, ignore_status=False)
+            return
         # Define filesystem device xml
         for index in range(fs_num):
             driver = {'type': driver_type, 'queue': queue_size}