add case for invalid dimm device config

    VIRT-299046: Verify error messages prompt with invalid memory device configs
Signed-off-by: nanli <[email protected]>

libvirt/tests/cfg/memory/memory_devices/invalid_dimm_memory_device_config.cfg

@@ -0,0 +1,47 @@
+- memory.devices.invalid_dimm:
+    type = invalid_dimm_memory_device_config
+    node_mask = '1'
+    target_size = 524288
+    guest_node = 0
+    slot = 0
+    addr_type = 'dimm'
+    addr_base = '0x100000000'
+    pagesize_cmd = "getconf PAGE_SIZE"
+    pagesize_unit = 'b'
+    mem_value = 2097152
+    mem_unit = 'KiB'
+    current_mem = 2097152
+    current_mem_unit = 'KiB'
+    numa_mem = 1048576
+    max_mem_slots = 16
+    max_mem = 10485760
+    max_mem_unit = 'KiB'
+    max_dict = '"max_mem_rt": ${max_mem}, "max_mem_rt_slots": ${max_mem_slots}, "max_mem_rt_unit": "${max_mem_unit}"'
+    variants invalid_setting:
+        - exceed_slot:
+            slot = '4294967295'
+            define_error = "memory device slot '${slot}' exceeds slots count"
+        - max_addr:
+            addr_base = '0xffffffffffffffff'
+            start_vm_error = "address must be aligned to"
+        - unexisted_node:
+            guest_node = '6'
+            start_vm_error = "can't add memory backend for guest node '${guest_node}' as the guest has only '2' NUMA nodes configured"
+        - unexisted_nodemask:
+            node_mask = '7'
+            start_vm_error = "NUMA node ${node_mask} is unavailable"
+        - invalid_pagesize:
+            invalid_pagesize = '9216'
+            pagesize_unit = 'b'
+            start_vm_error = "Unable to find any usable hugetlbfs mount for 9 KiB"
+        - invalid_addr_type:
+            addr_type = 'fakedimm'
+            define_error = "Invalid value for attribute 'type' in element 'address': '${addr_type}'"
+    addr_dict = "'address':{'attrs': {'type': '${addr_type}', 'base': '${addr_base}', 'slot': '${slot}'}}"
+    source_dict = "'source': {'nodemask': '${node_mask}','pagesize': %d, 'pagesize_unit':'${pagesize_unit}'}"
+    dimm_dict = {'mem_model':'dimm', ${source_dict}, ${addr_dict}, 'target': {'size':${target_size}, 'size_unit':'KiB','node':${guest_node}}}
+    variants basic_memory:
+        - with_numa:
+            no s390-virtio
+            numa_attrs = "'vcpu': 4,'cpu': {'numa_cell': [{'id': '0', 'cpus': '0-1', 'memory': '${numa_mem}', 'unit': 'KiB'},{'id':'1','cpus': '2-3','memory':'${numa_mem}','unit':'KiB'}]}"
+            vm_attrs = {${numa_attrs}, ${max_dict}, 'memory_unit':'KiB','memory':${mem_value},'current_mem':${current_mem},'current_mem_unit':"KiB"}

libvirt/tests/src/memory/memory_devices/invalid_dimm_memory_device_config.py

@@ -0,0 +1,150 @@
+from avocado.utils import process
+
+from virttest import libvirt_version
+from virttest import virsh
+
+from virttest.libvirt_xml import vm_xml
+from virttest.libvirt_xml.devices import memory
+from virttest.utils_test import libvirt
+
+from provider.numa import numa_base
+
+
+def get_pagesize_value(params):
+    """
+    Get pagesize value
+
+    :param params: Dictionary with the test parameters
+    """
+    invalid_pagesize = params.get("invalid_pagesize")
+    pagesize_cmd = params.get("pagesize_cmd")
+
+    if invalid_pagesize:
+        page_size = invalid_pagesize
+    else:
+        page_size = process.run(pagesize_cmd, ignore_status=True,
+                                shell=True).stdout_text.strip()
+    return int(page_size)
+
+
+def get_mem_obj(mem_dict):
+    """
+    Get mem object.
+
+    :param mem_dict: memory dict value
+    """
+    mem_obj = memory.Memory()
+    mem_obj.setup_attrs(**eval(mem_dict))
+    return mem_obj
+
+
+def define_guest(test, params, page_size):
+    """
+    Define guest with specific
+    """
+    vm_name = params.get("main_vm")
+    vm_attrs = eval(params.get("vm_attrs"))
+    dimm_dict = params.get("dimm_dict")
+    invalid_setting = params.get("invalid_setting")
+
+    vmxml = vm_xml.VMXML.new_from_dumpxml(vm_name)
+    vmxml.setup_attrs(**vm_attrs)
+
+    devices = vmxml.get_devices()
+    mem_obj = get_mem_obj(dimm_dict % page_size)
+    devices.append(mem_obj)
+    vmxml.set_devices(devices)
+    test.log.debug("Define vm with %s." % vmxml)
+
+    # Check libvirt version
+    if libvirt_version.version_compare(9, 0, 0) and \
+            invalid_setting == "unexisted_node":
+        define_error = params.get("start_vm_error")
+
+    else:
+        define_error = params.get("define_error")
+
+    # Define guest
+    try:
+        vmxml.sync()
+    except Exception as e:
+        if define_error:
+            if define_error not in str(e):
+                test.fail("Expect to get '%s' error, but got '%s'" % (define_error, e))
+        else:
+            test.fail("Expect define successfully, but failed with '%s'" % e)
+
+
+def run(test, params, env):
+    """
+    Verify error messages prompt with invalid memory device configs
+
+    1.invalid value:
+     exceed slot number, max address base, nonexistent guest node
+     nonexistent node mask, invalid pagesize, invalid address type
+    2.memory setting: with numa
+    """
+
+    def setup_test():
+        """
+        Check host has at least 2 numa nodes.
+        """
+        test.log.info("TEST_SETUP: Check the numa nodes")
+        numa_obj = numa_base.NumaTest(vm, params, test)
+        numa_obj.check_numa_nodes_availability()
+
+    def run_test():
+        """
+        Define vm with dimm.
+        Start vm.
+        Hotplug dimm.
+        """
+        test.log.info("TEST_STEP1: Define vm and check result")
+        source_pagesize = get_pagesize_value(params)
+        define_guest(test, params, source_pagesize)
+
+        test.log.info("TEST_STEP2: Start guest ")
+        start_result = virsh.start(vm_name, ignore_status=True)
+        if start_vm_error:
+            # Start success for unexisted_node scenario and version>9.0
+            if libvirt_version.version_compare(9, 0, 0) and \
+                    invalid_setting == "unexisted_node":
+                libvirt.check_exit_status(start_result)
+            else:
+                libvirt.check_result(start_result, start_vm_error)
+
+        test.log.info("TEST_STEP3: Start guest without dimm devices")
+        original_xml.setup_attrs(**vm_attrs)
+        test.log.debug("Define vm by '%s' \n", original_xml)
+        original_xml.sync()
+        virsh.start(vm_name, debug=True)
+
+        test.log.info("TEST_STEP4: Hotplug dimm memory device")
+        mem_obj = get_mem_obj(dimm_dict % source_pagesize)
+        result = virsh.attach_device(vm_name, mem_obj.xml, debug=True).stderr_text
+        if attach_error not in result:
+            test.fail("Expected get error '%s', but got '%s'" % (attach_error, result))
+
+    def teardown_test():
+        """
+        Clean data.
+        """
+        test.log.info("TEST_TEARDOWN: Clean up env.")
+        bkxml.sync()
+
+    vm_name = params.get("main_vm")
+    vm = env.get_vm(vm_name)
+    original_xml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
+    bkxml = original_xml.copy()
+    dimm_dict = params.get("dimm_dict")
+    invalid_setting = params.get("invalid_setting")
+    vm_attrs = eval(params.get("vm_attrs"))
+    start_vm_error = params.get("start_vm_error")
+    attach_error = params.get("start_vm_error", params.get("define_error"))
+
+    try:
+        setup_test()
+        run_test()
+
+    finally:
+        teardown_test()