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　晋太元中，武陵人捕鱼为业。缘溪行，忘路之远近。忽逢桃花林，夹岸数百步，中无杂树，芳草鲜美，落英缤纷。渔人甚异之，复前行，欲穷其林。　　林尽水源，便得一山，山有小口，仿佛若有光。便舍船，从口入。初极狭，才通人。复行数十步，豁然开朗。土地平旷，屋舍俨然，有良田、美池、桑竹之属。阡陌交通，鸡犬相闻。其中往来种作，男女衣着，悉如外人。黄发垂髫，并怡然自乐。　　见渔人，乃大惊，问所从来。具答之。便要还家，设酒杀鸡作食。村中闻有此人，咸来问讯。自云先世避秦时乱，率妻子邑人来此绝境，不复出焉，遂与外人间隔。问今是何世，乃不知有汉，无论魏晋。此人一一为具言所闻，皆叹惋。余人各复延至其家，皆出酒食。停数日，辞去。此中人语云：“不足为外人道也。”(间隔一作：隔绝) 　　既出，得其船，便扶向路，处处志之。及郡下，诣太守，说如此。太守即遣人随其往，寻向所志，遂迷，不复得路。　　南阳刘子骥，高尚士也，闻之，欣然规往。未果，寻病终。后遂无问津者。 . Prv8 Shell

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Current File : //usr/lib/python3.6/site-packages/sos/report/plugins/openstack_database.py

# Copyright (C) 2021 Red Hat, Inc., Jake Hunsaker <jhunsake@redhat.com>

# This file is part of the sos project: https://github.com/sosreport/sos
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions of
# version 2 of the GNU General Public License.
#
# See the LICENSE file in the source distribution for further information.

import re


from sos.report.plugins import Plugin, RedHatPlugin, PluginOpt


class OpenStackDatabase(Plugin):

    short_desc = 'Openstack Database Information'
    plugin_name = 'openstack_database'
    profiles = ('openstack', 'openstack_controller')

    option_list = [
        PluginOpt('dump', default=False, desc='Dump select databases'),
        PluginOpt('dumpall', default=False, desc='Dump ALL databases')
    ]

    databases = [
        'cinder',
        'glance',
        'heat',
        'ironic',
        'keystone',
        'mistral',
        '(.*)?neutron',
        'nova.*'
    ]

    def setup(self):
        # determine if we're running databases on the host or in a container
        _db_containers = [
            'galera-bundle-.*',  # overcloud
            'mysql'  # undercloud
        ]

        cname = None
        for container in _db_containers:
            cname = self.get_container_by_name(container)
            if cname:
                break

        fname = f"clustercheck_{cname}" if cname else None
        self.add_cmd_output('clustercheck', container=cname, timeout=15,
                            suggest_filename=fname)

        if self.get_option('dump') or self.get_option('dumpall'):
            db_dump = self.get_mysql_db_string(container=cname)
            db_cmd = f"mysqldump --opt {db_dump}"

            self.add_cmd_output(db_cmd, suggest_filename='mysql_dump.sql',
                                sizelimit=0, container=cname)

    def get_mysql_db_string(self, container=None):
        """ Get mysql DB command to be dumped """
        if self.get_option('dumpall'):
            return '--all-databases'

        collect = []
        dbs = self.exec_cmd('mysql -e "show databases;"', container=container)

        for database in dbs['output'].splitlines():
            if any(re.match(database, reg) for reg in self.databases):
                collect.append(database)

        return '-B ' + ' '.join(d for d in collect)


class RedHatOpenStackDatabase(OpenStackDatabase, RedHatPlugin):

    packages = ('openstack-selinux', )


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haha - 2025