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Viewing changes to tests/lib/server_mgmt/drizzled.py

  • Committer: Monty Taylor
  • Date: 2011-02-13 17:26:39 UTC
  • mfrom: (2157.2.2 give-in-to-pkg-config)
  • mto: This revision was merged to the branch mainline in revision 2166.
  • Revision ID: mordred@inaugust.com-20110213172639-nhy7i72sfhoq13ms
Merged in pkg-config fixes.

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#! /usr/bin/env python
 
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# -*- mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
 
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# vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
 
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#
 
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# Copyright (C) 2010 Patrick Crews
 
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#
 
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# This program is free software; you can redistribute it and/or modify
 
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# it under the terms of the GNU General Public License as published by
 
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# the Free Software Foundation; either version 2 of the License, or
 
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# (at your option) any later version.
 
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#
 
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# This program is distributed in the hope that it will be useful,
 
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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# GNU General Public License for more details.
 
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#
 
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# You should have received a copy of the GNU General Public License
 
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# along with this program; if not, write to the Free Software
 
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 
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""" drizzled.py:  code to allow a serverManager
 
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    to provision and start up a drizzled server object
 
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    for test execution
 
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"""
 
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# imports
 
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import os
 
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class drizzleServer():
 
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    """ represents a drizzle server, its possessions
 
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        (datadir, ports, etc), and methods for controlling
 
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        and querying it
 
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        TODO: create a base server class that contains
 
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              standard methods from which we can inherit
 
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              Currently there are definitely methods / attr
 
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              which are general
 
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    """
 
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    def __init__(self, name, server_manager, server_options
 
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                , requester, workdir_root):
 
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        self.skip_keys = [ 'server_manager'
 
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                         , 'system_manager'
 
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                         , 'dirset'
 
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                         , 'preferred_base_port'
 
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                         , 'no_secure_file_priv'
 
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                         , 'secure_file_string'
 
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                         , 'port_block'
 
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                         ]
 
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        self.debug = server_manager.debug
 
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        self.verbose = server_manager.verbose
 
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        self.initial_run = 1
 
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        self.owner = requester
 
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        self.server_options = server_options
 
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        self.server_manager = server_manager
 
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        # We register with server_manager asap
 
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        self.server_manager.log_server(self, requester)
 
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        self.system_manager = self.server_manager.system_manager
 
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        self.valgrind = self.system_manager.valgrind
 
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        self.gdb = self.system_manager.gdb
 
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        if self.valgrind:
 
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            self.valgrind_time_buffer = 10
 
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        else:
 
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            self.valgrind_time_buffer = 1
 
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        self.cmd_prefix = self.system_manager.cmd_prefix
 
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        self.logging = self.system_manager.logging
 
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        self.no_secure_file_priv = self.server_manager.no_secure_file_priv
 
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        self.code_tree = self.system_manager.code_tree
 
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        self.preferred_base_port = 9306
 
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        self.name = name
 
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        self.status = 0 # stopped, 1 = running
 
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        self.tried_start = 0
 
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        self.failed_test = 0 # was the last test a failure?  our state is suspect
 
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        self.server_start_timeout = 60 * self.valgrind_time_buffer
 
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        # Get our ports
 
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        self.port_block = self.system_manager.port_manager.get_port_block( self.name
 
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                                                                         , self.preferred_base_port
 
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                                                                         , 5 )
 
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        self.master_port = self.port_block[0]
 
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        self.drizzle_tcp_port = self.port_block[1]
 
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        self.mc_port = self.port_block[2]
 
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        self.pbms_port = self.port_block[3]
 
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        self.rabbitmq_node_port = self.port_block[4]
 
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        # Generate our working directories
 
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        self.dirset = { self.name : { 'var': {'std_data_ln':( os.path.join(self.code_tree.testdir,'std_data'))
 
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                                             ,'log':None
 
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                                             ,'run':None
 
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                                             ,'tmp':None
 
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                                             ,'master-data': {'local': { 'test':None
 
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                                                                       , 'mysql':None
 
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                                                                       }
 
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                                                             }
 
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                                             }  
 
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                                    } 
 
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                      }
 
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        self.workdir = self.system_manager.create_dirset( workdir_root
 
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                                                        , self.dirset)
 
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        self.vardir = os.path.join(self.workdir,'var')
 
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        self.tmpdir = os.path.join(self.vardir,'tmp')
 
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        self.rundir = os.path.join(self.vardir,'run')
 
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        self.logdir = os.path.join(self.vardir,'log')
 
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        self.datadir = os.path.join(self.vardir,'master-data')
 
110
 
 
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        self.error_log = os.path.join(self.logdir,('%s.err' %(self.name)))
 
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        self.pid_file = os.path.join(self.rundir,('%s.pid' %(self.name)))
 
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        self.socket_file = os.path.join(self.vardir, ('%s.sock' %(self.name)))
 
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        self.timer_file = os.path.join(self.logdir,('timer'))
 
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        self.snapshot_path = os.path.join(self.tmpdir,('snapshot_%s' %(self.master_port)))
 
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        # We want to use --secure-file-priv = $vardir by default
 
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        # but there are times / tools when we need to shut this off
 
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        if self.no_secure_file_priv:
 
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            self.secure_file_string = ''
 
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        else:
 
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            self.secure_file_string = "--secure-file-priv='%s'" %(self.vardir)
 
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        self.user_string = '--user=root'
 
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        # client files
 
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        self.drizzledump = self.code_tree.drizzledump
 
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        self.drizzle_client = self.code_tree.drizzle_client
 
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        self.drizzleimport = self.code_tree.drizzleimport
 
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        self.drizzleadmin = self.code_tree.drizzleadmin
 
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        self.drizzleslap = self.code_tree.drizzleslap
 
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        self.server_path = self.code_tree.drizzle_server
 
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        self.drizzle_client_path = self.code_tree.drizzle_client
 
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        self.schemawriter = self.code_tree.schemawriter
 
133
 
 
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        self.initialize_databases()
 
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        self.take_db_snapshot()
 
136
 
 
137
        if self.debug:
 
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            self.logging.debug_class(self)
 
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    def report(self):
 
141
        """ We print out some general useful info """
 
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        report_values = [ 'name'
 
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                        , 'master_port'
 
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                        , 'drizzle_tcp_port'
 
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                        , 'mc_port'
 
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                        , 'pbms_port'
 
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                        , 'rabbitmq_node_port'
 
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                        , 'vardir'
 
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                        , 'status'
 
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                        ]
 
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        self.logging.info("%s master server:" %(self.owner))
 
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        for key in report_values:
 
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          value = vars(self)[key] 
 
154
          self.logging.info("%s: %s" %(key.upper(), value))
 
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156
    def get_start_cmd(self):
 
157
        """ Return the command string that will start up the server 
 
158
            as desired / intended
 
159
 
 
160
        """
 
161
 
 
162
        server_args = [ self.process_server_options()
 
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                      , "--mysql-protocol.port=%d" %(self.master_port)
 
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                      , "--mysql-protocol.connect-timeout=60"
 
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                      , "--innodb.data-file-path=ibdata1:20M:autoextend"
 
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                      , "--sort-buffer-size=256K"
 
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                      , "--max-heap-table-size=1M"
 
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                      , "--mysql-unix-socket-protocol.path=%s" %(self.socket_file)
 
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                      , "--pid-file=%s" %(self.pid_file)
 
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                      , "--drizzle-protocol.port=%d" %(self.drizzle_tcp_port)
 
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                      , "--datadir=%s" %(self.datadir)
 
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                      , "--tmpdir=%s" %(self.tmpdir)
 
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                      , self.secure_file_string
 
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                      , self.user_string
 
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                      ]
 
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        if self.gdb:
 
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            server_args.append('--gdb')
 
179
            return self.system_manager.handle_gdb_reqs(self, server_args)
 
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        else:
 
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            return "%s %s %s & " % ( self.cmd_prefix
 
182
                                   , self.server_path
 
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                                   , " ".join(server_args)
 
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                                   )
 
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186
 
 
187
    def get_stop_cmd(self):
 
188
        """ Return the command that will shut us down """
 
189
        
 
190
        return "%s --user=root --port=%d --shutdown " %(self.drizzle_client_path, self.master_port)
 
191
           
 
192
 
 
193
    def get_ping_cmd(self):
 
194
        """Return the command string that will 
 
195
           ping / check if the server is alive 
 
196
 
 
197
        """
 
198
 
 
199
        return "%s --ping --port=%d --user=root" % (self.drizzle_client_path, self.master_port)
 
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    def process_server_options(self):
 
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        """Consume the list of options we have been passed.
 
203
           Return a string with them joined
 
204
 
 
205
        """
 
206
        
 
207
        return " ".join(self.server_options)
 
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209
    def initialize_databases(self):
 
210
        """ Call schemawriter to make db.opt files """
 
211
        databases = [ 'test'
 
212
                    , 'mysql'
 
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                    ]
 
214
        for database in databases:
 
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            db_path = os.path.join(self.datadir,'local',database,'db.opt')
 
216
            cmd = "%s %s %s" %(self.schemawriter, database, db_path)
 
217
            self.system_manager.execute_cmd(cmd)
 
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219
    def take_db_snapshot(self):
 
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        """ Take a snapshot of our vardir for quick restores """
 
221
       
 
222
        self.logging.info("Taking clean db snapshot...")
 
223
        if os.path.exists(self.snapshot_path):
 
224
            # We need to remove an existing path as python shutil
 
225
            # doesn't want an existing target
 
226
            self.system_manager.remove_dir(self.snapshot_path)
 
227
        self.system_manager.copy_dir(self.datadir, self.snapshot_path)
 
228
 
 
229
    def restore_snapshot(self):
 
230
        """ Restore from a stored snapshot """
 
231
        
 
232
        if self.verbose:
 
233
            self.logging.verbose("Restoring from db snapshot")
 
234
        if not os.path.exists(self.snapshot_path):
 
235
            self.logging.error("Could not find snapshot: %s" %(self.snapshot_path))
 
236
        self.system_manager.remove_dir(self.datadir)
 
237
        self.system_manager.copy_dir(self.snapshot_path, self.datadir)
 
238
 
 
239
    def cleanup(self):
 
240
        """ Cleanup - just free ports for now..."""
 
241
        self.system_manager.port_manager.free_ports(self.port_block)
 
242
 
 
243
    def set_server_options(self, server_options):
 
244
        """ We update our server_options to the new set """
 
245
        self.server_options = server_options
 
246
 
 
247
    def reset(self):
 
248
        """ Voodoo to reset ourselves """
 
249
        self.failed_test = 0
 
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