seabios_strict: add strict option on/off test

Check boot result when strict is on/off
Signed-off-by: Nybduan <yduan@redhat.com>

qemu/tests/cfg/seabios_strict.cfg

+- seabios_strict:
+    virt_test_type = qemu
+    only i386, x86_64
+    type = seabios_strict
+    boot_menu = on
+    enable_sga = yes
+    images = 'stg'
+    bootindex_stg = 1
+    image_name_stg = 'images/stg'
+    image_size_stg = 200M
+    force_create_image_stg = yes
+    remove_image_stg = yes
+    nics = 'nic1'
+    device_id_nic1 = 'idNic1'
+    bootindex_nic1 = 2
+    cdroms = "test"
+    cdrom_test = /tmp/test.iso
+    start_vm = no
+    boot_fail_infos = "Booting from Hard Disk.*"
+    boot_fail_infos += "Boot failed: not a bootable disk.*"
+    boot_fail_infos += "PXE \(PCI.*\) starting execution.*"
+    boot_fail_infos += "No more network devices.*"
+    boot_fail_infos_extra = "Booting from DVD/CD.*"
+    boot_fail_infos_extra += "Boot failed: Could not read from CDROM.*"
+    variants:
+        - on:
+            boot_strict = on
+        - off:
+            boot_strict = off

qemu/tests/seabios_strict.py

+import os
+import re
+import logging
+
+from virttest import error_context
+from virttest import utils_misc
+from virttest import data_dir
+from virttest import env_process
+
+from avocado.utils import process
+
+
+@error_context.context_aware
+def run(test, params, env):
+    """
+    KVM seabios test:
+    1) Start guest with sga bios
+    2) Check the boot result when '-boot strict=on/off'
+       on:  Hard Disk -> NIC
+       off: Hard Disk -> NIC -> DVD/CD ...
+
+    :param test: QEMU test object
+    :param params: Dictionary with the test parameters
+    :param env: Dictionary with test environment.
+    """
+
+    def create_cdrom():
+        """
+        Create 'test' cdrom
+        """
+        logging.info("creating test cdrom")
+        cdrom_test = params.get("cdrom_test", '/tmp/test.iso')
+        cdrom_test = utils_misc.get_path(data_dir.get_data_dir(), cdrom_test)
+        process.run("dd if=/dev/urandom of=test bs=10M count=1")
+        process.run("mkisofs -o %s test" % cdrom_test)
+        process.run("rm -f test")
+
+    def cleanup_cdrom():
+        """
+        Remove 'test' cdrom
+        """
+        logging.info("cleaning up test cdrom")
+        cdrom_test = utils_misc.get_path(data_dir.get_data_dir(),
+                                         params.get("cdrom_test"))
+        os.remove(cdrom_test)
+
+    def boot_check(info):
+        """
+        boot info check
+        """
+        return re.search(info, vm.serial_console.get_stripped_output(), re.S)
+
+    error_context.context("Start guest with sga bios", logging.info)
+    create_cdrom()
+    params["start_vm"] = "yes"
+    env_process.preprocess_vm(test, params, env, params.get("main_vm"))
+
+    vm = env.get_vm(params["main_vm"])
+    vm.verify_alive()
+    vm.pause()
+
+    # Disable nic device, boot fail from nic device except user model
+    if params['nettype'] != 'user':
+        for nic in vm.virtnet:
+            process.system("ifconfig %s down" % nic.ifname)
+    vm.resume()
+
+    timeout = float(params.get("login_timeout", 240))
+    fail_infos = params['boot_fail_infos']
+    fail_infos_ex = params['boot_fail_infos_extra']
+    boot_strict = (params['boot_strict'] == 'on')
+
+    try:
+        error_context.context("Check guest boot result", logging.info)
+        if not utils_misc.wait_for(lambda: boot_check(fail_infos), timeout, 1):
+            err = "Guest does not boot from Hard Disk first and then NIC"
+            test.fail(err)
+
+        if utils_misc.wait_for(lambda: boot_check(fail_infos_ex), timeout, 1):
+            if boot_strict:
+                err = "Guest tries to boot from DVD/CD when 'strict' is on"
+                test.fail(err)
+        else:
+            if not boot_strict:
+                err = "Guest does not try to boot from DVD/CD"
+                err += " when 'strict' is off"
+                test.fail(err)
+    finally:
+        cleanup_cdrom()