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How to use form_conf_mpath_file method in avocado

Best Python code snippet using avocado_python

multipath_test.py

Source:multipath_test.py

...100        """101        Tests Multipath.102        """103        msg = ""104        multipath.form_conf_mpath_file()105        plcy = "path_selector \"%s 0\"" % self.policy106        multipath.form_conf_mpath_file(defaults_extra=plcy)107        for path_dic in self.mpath_list:108            operation = ''109            self.log.debug("operating on paths: %s", path_dic["paths"])110            # Path Selector policy111            self.log.info("changing Selector policy")112            for policy in self.policies:113                cmd = "path_selector \"%s 0\"" % policy114                multipath.form_conf_mpath_file(defaults_extra=cmd)115                time.sleep(5)116                if multipath.get_policy(path_dic["wwid"]) != policy:117                    msg += "%s for %s fails\n" % (policy, path_dic["wwid"])118            def is_mpath_available():119                if operation == 'block':120                    if multipath.device_exists(path_dic["wwid"]) is True:121                        self.log.info("%s=False, not blocked" % test_mpath)122                        return False123                    return True124                elif operation == 'recover':125                    if multipath.device_exists(path_dic["wwid"]) is False:126                        self.log.info("%s=False, not recovered" % test_mpath)127                        return False128                    return True129            # mutipath -f mpathX130            test_mpath = path_dic["name"]131            self.log.info("flushing %s" % path_dic["name"])132            operation = 'block'133            multipath.flush_path(path_dic["name"])134            if wait.wait_for(is_mpath_available, timeout=10):135                self.log.info("flush of %s success" % path_dic["name"])136            else:137                msg += "Flush of %s fails\n" % path_dic["name"]138            self.log.info("Recovering %s after flush.." % path_dic["name"])139            operation = 'recover'140            self.mpath_svc.restart()141            wait.wait_for(self.mpath_svc.status, timeout=10)142            if wait.wait_for(is_mpath_available, timeout=10):143                self.log.info("recovery of %s success after \144                               flush" % path_dic["name"])145            else:146                msg += "Recovery of %s fails after flush\n" % path_dic["name"]147            # Blacklisting wwid148            test_mpath = path_dic["wwid"]149            self.log.info("Black listing WWIDs")150            cmd = "wwid %s" % path_dic["wwid"]151            multipath.form_conf_mpath_file(blacklist=cmd, defaults_extra=plcy)152            operation = 'block'153            if wait.wait_for(is_mpath_available, timeout=10):154                self.log.info("Blocklist of %s success" % path_dic["wwid"])155            else:156                msg += "Blacklist of %s fails\n" % path_dic["wwid"]157            operation = 'recover'158            self.log.info("Recovering WWID after Black list.....")159            multipath.form_conf_mpath_file(defaults_extra=plcy)160            if wait.wait_for(is_mpath_available, timeout=10):161                self.log.info("recovery of %s success" % path_dic["wwid"])162            else:163                msg += "Recovery of %s fails after blocklist\n" \164                        % path_dic["wwid"]165            def is_path_available():166                if operation == 'block':167                    if multipath.device_exists(test_path) is True:168                        return False169                    return True170                elif operation == 'recover':171                    if multipath.device_exists(test_path) is False:172                        self.log.info("%s=False still not recover" % test_path)173                        return False174                    return True175            # Blacklisting sdX176            self.log.info("Black listing individual paths")177            test_path = ''178            for disk in path_dic["paths"]:179                test_path = disk180                self.log.info("Black_listing %s" % disk)181                operation = 'block'182                cmd = "devnode %s" % disk183                multipath.form_conf_mpath_file(blacklist=cmd,184                                               defaults_extra=plcy)185                if wait.wait_for(is_path_available, timeout=10):186                    self.log.info("block list of %s success" % disk)187                else:188                    msg += "block list of %s fails\n" % disk189                operation = 'recover'190                multipath.form_conf_mpath_file(defaults_extra=plcy)191                if wait.wait_for(is_path_available, timeout=10):192                    self.log.info("recovery of %s success" % disk)193                else:194                    msg += "Recovery of %s fails after blacklist %s\n" \195                            % (disk, path_dic["wwid"])196            multipath.form_conf_mpath_file(defaults_extra=plcy)197        if msg:198            self.fail("Some tests failed. Find details below:\n%s" % msg)199    def test_fail_reinstate_individual_paths(self):200        '''201        Failing and reinstating individual paths eg: sdX202        '''203        err_paths = []204        self.log.info(" Failing and reinstating the individual paths")205        for dic_path in self.mpath_list:206            for path in dic_path['paths']:207                if multipath.fail_path(path) is False:208                    self.log.info("could not fail %s in indvdl path:", path)209                    err_paths.append(path)210                elif multipath.reinstate_path(path) is False:...

multipath.py

Source:multipath.py

...28    """29    if distro.detect().name == 'Ubuntu':30        return "multipath-tools"31    return "multipathd"32def form_conf_mpath_file(blacklist="", defaults_extra=""):33    """34    Form a multipath configuration file, and restart multipath service.35    :param blacklist: Entry in conf file to indicate blacklist section.36    :param defaults_extra: Extra entry in conf file in defaults section.37    """38    conf_file = "/etc/multipath.conf"39    with open(conf_file, "w") as mpath_fp:40        mpath_fp.write("defaults {\n")41        mpath_fp.write("    find_multipaths yes\n")42        mpath_fp.write("    user_friendly_names yes\n")43        if defaults_extra:44            mpath_fp.write("    %s\n" % defaults_extra)45        mpath_fp.write("}\n")46        if blacklist:...

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