On 07/02/2015 05:25 PM, Luyao Huang wrote:

Signed-off-by: Luyao Huang <lhuang@redhat.com> --- cases/linux_domain.conf | 6 +++ repos/domain/set_memory_period.py | 84 +++++++++++++++++++++++++++++++++++++++ 2 files changed, 90 insertions(+) create mode 100644 repos/domain/set_memory_period.py

diff --git a/cases/linux_domain.conf b/cases/linux_domain.conf index 9f64226..fd32aad 100644 --- a/cases/linux_domain.conf +++ b/cases/linux_domain.conf @@ -275,6 +275,12 @@ domain:virDomain_getCPUStats conn qemu:///system

+domain:set_memory_period + guestname + $defaultname + conn + qemu:///system + domain:destroy guestname $defaultname diff --git a/repos/domain/set_memory_period.py b/repos/domain/set_memory_period.py new file mode 100644 index 0000000..56b71ae --- /dev/null +++ b/repos/domain/set_memory_period.py @@ -0,0 +1,84 @@ +#!/usr/bin/env python + +import libvirt +from libvirt import libvirtError +import lxml +import lxml.etree + +required_params = ('guestname',) +optional_params = {'conn': 'qemu:///system'} + +def get_period_fromxml(vm, running): + if (running == 1): + tree = lxml.etree.fromstring(vm.XMLDesc(0)) + else: + tree = lxml.etree.fromstring(vm.XMLDesc(libvirt.VIR_DOMAIN_XML_INACTIVE)) + + set = tree.xpath("//memballoon/stats") + if len(set) == 0: + return 0 + for n in set: + period = n.attrib['period'] + return period + +def check_memoryStats(vm): + memstats = vm.memoryStats() + try: + available = memstats["available"] + if available: + logger.info("can get available from memoryStats()") + return 0 + except KeyError: + logger.info("cannot get available from memoryStats()") + return 1 + +def set_memory_period(params): + """ + test API for setMemoryStatsPeriod in class virDomain + """ + global logger + logger = params['logger'] + fail=0 + + try: + conn = libvirt.open(params['conn']) + + logger.info("get connection to libvirtd") + guest = params['guestname'] + vm = conn.lookupByName(guest) + logger.info("test guest name: %s" % guest) + + """ test with running vm """ + if vm.isActive() == 1: + logger.info("guest is running test with running guest") + period = int(get_period_fromxml(vm, 1)) + if period == 0: + vm.setMemoryStatsPeriod(1, libvirt.VIR_DOMAIN_AFFECT_LIVE) + if int(get_period_fromxml(vm, 1)) != 1: + logger.error("Period value from xml is not right") + fail = 1 + elif check_memoryStats(vm) == 0: + period = 1 + else: + fail = 1 + + if period > 0: + if check_memoryStats(vm) == 0: + vm.setMemoryStatsPeriod(period + 1, libvirt.VIR_DOMAIN_AFFECT_LIVE) + if int(get_period_fromxml(vm, 1)) != period + 1: + logger.error("Period value from xml is not right") + fail = 1 + else: + fail = 1 + + """ test with vm config """ + period = int(get_period_fromxml(vm, 0)) + vm.setMemoryStatsPeriod(period + 1, libvirt.VIR_DOMAIN_AFFECT_CONFIG) + if int(get_period_fromxml(vm, 0)) != period + 1: + logger.error("Period value from xml is not right") + fail = 1 + + except libvirtError, e: + logger.error("API error message: %s" % e.message) + fail=1 + return fail ACK and Pushed

Thanks Hongming