The coredump_with_format.py uses coreDumpWithFormat() to validate new API virDomainCoreDumpWithFormat of libvirt. --- repos/domain/coredump_with_format.py | 239 +++++++++++++++++++++++++++++++++++ 1 file changed, 239 insertions(+) create mode 100644 repos/domain/coredump_with_format.py diff --git a/repos/domain/coredump_with_format.py b/repos/domain/coredump_with_format.py new file mode 100644 index 0000000..f1f7c67 --- /dev/null +++ b/repos/domain/coredump_with_format.py @@ -0,0 +1,239 @@ +#!/usr/bin/env python +# test coreDumpWithFormat() API for libvirt + +import os +import libvirt +import thread + +from libvirt import libvirtError +from src import sharedmod +from utils import utils + +required_params = ('guestname','topath','dumpformat','flags',) +optional_params = {} + +df = {"raw": libvirt.VIR_DOMAIN_CORE_DUMP_FORMAT_RAW, + "zlib": libvirt.VIR_DOMAIN_CORE_DUMP_FORMAT_KDUMP_ZLIB, + "lzo": libvirt.VIR_DOMAIN_CORE_DUMP_FORMAT_KDUMP_LZO, + "snappy": libvirt.VIR_DOMAIN_CORE_DUMP_FORMAT_KDUMP_SNAPPY} + +fg = {"mem": libvirt.VIR_DUMP_MEMORY_ONLY, + "reset": libvirt.VIR_DUMP_RESET, + "bypass": libvirt.VIR_DUMP_BYPASS_CACHE, + "live": libvirt.VIR_DUMP_LIVE, + "crash": libvirt.VIR_DUMP_CRASH} + +def check_crash_command(logger): + """ + check crash command on current OS + """ + CMD = "which crash" + status, output = utils.exec_cmd(CMD, shell=True) + if status != 0: + logger.info("Can not find crash command") + return False + else: + return True + +def check_dumpfile_type(topath,flags,logger): + """ + check file type of generated file + """ + GREP1 = "file %s |grep QEMU" + GREP2 = "file %s |grep ELF" + if flags < libvirt.VIR_DUMP_MEMORY_ONLY: + status, output = utils.exec_cmd(GREP1 % topath, shell=True) + if not status: + logger.info("Check type of %s: Pass, %s" % (topath, output[0])) + return True + else: + logger.info("Check type of %s: Fail, %s" % (topath, output[0])) + return False + elif flags >= libvirt.VIR_DUMP_MEMORY_ONLY: + status, output = utils.exec_cmd(GREP2 % topath, shell=True) + if not status: + logger.info("Check type of %s: Pass, %s" % (topath, output[0])) + return True + else: + logger.info("Check type of %s: Fail, %s" % (topath, output[0])) + return False + +def check_dump_file(*args): + """ + check whether core dump file is generated + """ + (core_file_path, logger) = args + if os.access(core_file_path, os.R_OK): + logger.info("Check core dump file %s: Pass" % core_file_path) + return True + else: + logger.info("Check core dump file %s: Fail" % core_file_path) + return False + +def compare_compress_type(topath,dumpformat,logger): + """ + check the compress type of file + """ + GREP = "crash -d1 %s | grep \"COMPRESSED\"" + status, output = utils.exec_cmd(GREP % topath, shell=True) + if not status: + temp1 = output[0].strip()[:-1].split("_")[-1] + if temp1 == dumpformat: + logger.info("Check compress type %s of %s: Pass" %(temp1,topath)) + return True + else: + logger.info("Check compress type %s of %s: Fail, %s" \ +%(temp1,topath,dumpformat)) + return False + else: + logger.error("Can not get compress type from given file %s" % topath) + return False + +def check_domain_state(vmstate,flags,logger): + """ + check domain state after doing coredump + """ + if libvirt.VIR_DUMP_CRASH == libvirt.VIR_DUMP_CRASH&flags: + if vmstate == [libvirt.VIR_DOMAIN_SHUTOFF,\ + libvirt.VIR_DOMAIN_SHUTOFF_CRASHED]: + logger.info("domain status is %s,shut off (crashed): Pass" \ +% vmstate) + return True + else: + logger.info("domain status is %s: Fail" % vmstate) + return False + else: + if vmstate == [libvirt.VIR_DOMAIN_RUNNING,\ + libvirt.VIR_DOMAIN_RUNNING_UNPAUSED]: + logger.info("domain status is %s,running (unpaused): Pass" \ +% vmstate) + return True + else: + logger.info("domain status is %s: Fail" % vmstate) + return False + +def get_fileflags(topath,logger): + """ + Get the file flags of coredump file + """ + CMD = "cat /proc/$(lsof -w %s|awk '/libvirt_i/{print $2}')/fdinfo/1 \ + |grep flags|awk '{print $NF}'" + global fileflags + while True: + (status, output) = utils.exec_cmd(CMD % topath, shell=True) + if status == 0: + if len(output) == 1: + logger.info("The flags of saved file %s " % output[0]) + fileflags = output[0][-5] + break + else: + logger.error("Fail to get the flags of saved file") + return 1 + + thread.exit_thread() + +def check_fileflag(fileflags,logger): + """ + Check the file flags of file if include O_DIRECT + """ + if int(fileflags) == 4: + logger.info("File flags include O_DIRECT: Pass") + return True + else: + logger.error("File flags doesn't include O_DIRECT: Fail") + return False + +def coredump_with_format(params): + """ + test APIs for coreDumpWithFormat in class virDomain + """ + bypass_f = False + logger = params['logger'] + domain_name = params['guestname'] + topath = params['topath'] + dumpformat = params['dumpformat'] + Udumpformat = dumpformat.upper() + logger.info("The given dumpformat is %s" % dumpformat) + if dumpformat == 'raw': + dumpformat = df.get('raw') + elif dumpformat == 'zlib': + dumpformat = df.get('zlib') + elif dumpformat == 'lzo': + dumpformat = df.get('lzo') + elif dumpformat == 'snappy': + dumpformat = df.get('snappy') + else: + logger.info("Unknown flags") + return 1 + + flags = params['flags'] + logger.info("The flags are %s" % flags) + flags_string = flags.split("|") + flags = 0 + for flag in flags_string: + if flag == 'mem': + flags |= fg.get('mem') + elif flag == 'reset': + flags |= fg.get('reset') + elif flag == 'bypass': + flags |= fg.get('bypass') + bypass_f = True + elif flag == 'live': + flags |= fg.get('live') + elif flag == 'crash': + flags |= fg.get('crash') + else: + logger.error("Unknown flags") + return 1 + logger.info("The given flags is %d" % flags) + try: + conn = sharedmod.libvirtobj['conn'] + + if conn.lookupByName(domain_name): + dom = conn.lookupByName(domain_name) + else: + logger.error("Domain %s is not exist" % domain_name) + return 1 + if not dom.isActive(): + logger.error("Domain %s is not running" % domain_name) + return 1 + logger.info("The given path is %s" % topath) + if bypass_f == True: + thread.start_new_thread(get_fileflags,(topath,logger,)) + logger.info("Call the coreDumpWithFormat API") + if dom.coreDumpWithFormat(topath,dumpformat,flags) == 0: + + if not check_dump_file(topath,logger): + return 1 + if Udumpformat == "RAW": + if not check_dumpfile_type(topath,flags,logger): + return 1 + else: + if not check_crash_command(logger): + return 1 + if not compare_compress_type(topath,Udumpformat,logger): + return 1 + vmstate = dom.state() + if not check_domain_state(vmstate,flags,logger): + return 1 + if bypass_f == True: + if not check_fileflag(fileflags,logger): + return 1 + + except libvirtError, e: + logger.error("API error message: %s" % e.message) + return 1 + + return 0 + +def coredump_with_format_clean(params): + """clean testing environment""" + + logger = params['logger'] + topath = params['topath'] + CMD = "rm -rf %s" + status, output = utils.exec_cmd(CMD % topath, shell=True) + if status != 0: + logger.info("Can not delete %s" % topath) + else: + logger.info("Deleted %s successfully" % topath) -- 1.8.3.1

ACK and Pushed Thanks Hongming On 02/27/2015 01:52 PM, jiahu wrote: