- timedrift_adjust_time:
    no WinXp, Win2000, Win2003, WinVista
    virt_test_type = qemu libvirt
    clock_source = 'kvm-clock'
    qemu_stop = off
    type = timedrift_adjust_time
    tolerance = 5.0
    start_vm = no
    kill_vm = yes
    requries_root = yes
    pre_command = "systemctl stop chronyd || service ntpdate stop"
    post_command = "systemctl restart chronyd || service ntpdate restart"
    sync_host_time_cmd = "chronyd -q 'server clock.redhat.com iburst'; hwclock -w"
    host_epoch_time_cmd = 'epoch=$(date +%s); datetime=$(date);'
    host_epoch_time_cmd += 'echo "datetime: $datetime epoch: $epoch"'
    time_difference = 0
    hwclock_time_command = "hwclock -u"
    hwclock_time_filter_re = "(\d+-\d+-\d+ \d+:\d+:\d+).*"
    hwclock_time_format = "%Y-%m-%d %H:%M:%S"
    RHEL.6, RHEL.7:
        hwclock_time_filter_re = "(\S+ \S+\s+\d+ \d+:\d+:\d+ \d+).*"
        hwclock_time_format = "%a %b %d %H:%M:%S %Y"
    variants:
        - no_adjust_clock:
        - adjust_host_clock:
            seconds_to_forward = 1800
            set_host_time_cmd = 'date -s "${seconds_to_forward} seconds"; hwclock -w'
        - adjust_guest_clock:
            seconds_to_forward = 1800
            Linux:
                set_guest_time_cmd = 'date -s "${seconds_to_forward} seconds"'
            Windows:
                set_guest_time_cmd = 'powershell -Command "& {Set-Date (Get-Date).AddSeconds(${seconds_to_forward})}"'
    variants:
        - clock_vm:
            rtc_clock = vm
            rtc_drift = slew
            Linux:
                rtc_base = utc
            Windows:
                rtc_base = localtime
        - clock_host:
            rtc_clock = host
            rtc_drift = slew
            Linux:
                rtc_base = utc
            Windows:
                rtc_base = localtime
    variants:
        - guest_pause_resume:
            only no_adjust_clock adjust_host_clock
            vm_action = pause_resume
            sleep_seconds = 1800
            time_difference = 1800
            time_difference_hwclock = 0
        - guest_reboot:
            no no_adjust_clock
            vm_action = reboot
            time_difference = 0
            time_difference_hwclock = 0
        - guest_s3:
            only adjust_host_clock
            vm_action = suspend_resume
            sleep_seconds = 1800
            guest_suspend_type = mem
            extra_params += ' -global PIIX4_PM.disable_s3=0'
            time_difference = 0
    Linux:
        guest_epoch_time_cmd = ${host_epoch_time_cmd}
        read_clock_source_cmd = "cat /sys/devices/system/clocksource"
        read_clock_source_cmd += "/clocksource0/current_clocksource"
        timedrift_adjust_time.guest_reboot.clock_vm.adjust_host_clock:
            time_difference = 1800
            time_difference_hwclock = 1800
        timedrift_adjust_time.guest_s3.clock_vm.adjust_host_clock:
            time_difference = 1800
        timedrift_adjust_time.guest_s3.clock_host.adjust_host_clock:
            time_difference = 1800
        timedrift_adjust_time.guest_pause_resume.clock_vm.no_adjust_clock:
            time_difference = 1800
            time_difference_hwclock = 1800
        timedrift_adjust_time.guest_pause_resume.clock_vm.adjust_host_clock:
            time_difference = 1800
            time_difference_hwclock = 3600
    RHEL.6:
        timedrift_adjust_time.guest_reboot..adjust_guest_clock:
        time_difference = 1800
        timedrift_adjust_time.guest_reboot.clock_host.adjust_host_clock:
        time_difference = 1800
    Windows:
        workaround_timeout = 360
        guest_epoch_time_cmd = 'powershell -command "& {$datetime=get-date -uformat "%c";'
        guest_epoch_time_cmd += '$epoch=[int](get-date (get-date).touniversaltime() -uformat "%s");'
        guest_epoch_time_cmd += 'write-host "datetime: ${datetime} epoch: ${epoch}"}"'
        timedrift_adjust_time.guest_pause_resume.clock_host.adjust_host_clock:
            time_difference = 3600
        timedrift_adjust_time.guest_reboot.clock_host.adjust_guest_clock:
            time_difference = 1800
        timedrift_adjust_time.guest_reboot.clock_vm.adjust_guest_clock:
            time_difference = 1800
        timedrift_adjust_time.guest_reboot.clock_vm.adjust_host_clock:
            time_difference = 1800
        timedrift_adjust_time.guest_s3.clock_vm.adjust_host_clock:
            time_difference = 1800
        timedrift_adjust_time.guest_pause_resume..no_adjust_clock:
            time_difference = 1800
    Win7, Win2008:
        timedrift_adjust_time.guest_pause_resume.clock_host.adjust_host_clock:
            time_difference = 0