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

  • Committer: Stewart Smith
  • Date: 2011-03-29 01:30:47 UTC
  • mto: (2257.1.2 build)
  • mto: This revision was merged to the branch mainline in revision 2258.
  • Revision ID: stewart@flamingspork.com-20110329013047-5ujzfx6pahmwuko2
https://launchpad.net/bugs/738022
have CachedDirectory print out a warning if we can't stat() something in a directory. We should always have access to at least stat() things in directories Drizzle is running in (otherwise there is likely a problem)

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tests/lib/server_mgmt/drizzled.py
 
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#! /usr/bin/env python
 
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# -*- mode: python; 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) 2010,2011 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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from lib.server_mgmt.server import Server
 
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class drizzleServer(Server):
 
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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, default_storage_engine
 
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                , server_options, requester, workdir_root):
 
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        super(drizzleServer, self).__init__( name, server_manager
 
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                                           , default_storage_engine
 
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                                           , server_options, requester
 
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                                           , workdir_root)
 
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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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        # 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
 
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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')
 
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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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        # Do magic to create a config file for use with the slave
 
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        # plugin
 
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        self.slave_config_file = os.path.join(self.logdir,'slave.cnf')
 
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        self.create_slave_config_file()
 
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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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        self.initialize_databases()
 
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        self.take_db_snapshot()
 
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        if self.debug:
 
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            self.logging.debug_class(self)
 
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    def report(self):
 
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        """ 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 server:" %(self.owner))
 
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        for key in report_values:
 
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          value = vars(self)[key] 
 
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          self.logging.info("%s: %s" %(key.upper(), value))
 
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    def get_start_cmd(self):
 
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        """ Return the command string that will start up the server 
 
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            as desired / intended
 
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        """
 
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        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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                      , "--default-storage-engine=%s" %(self.default_storage_engine)
 
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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')
 
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            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
 
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                                   , self.server_path
 
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                                   , " ".join(server_args)
 
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                                   )
 
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    def get_stop_cmd(self):
 
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        """ Return the command that will shut us down """
 
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        return "%s --user=root --port=%d --shutdown " %(self.drizzle_client_path, self.master_port)
 
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    def get_ping_cmd(self):
 
174
        """Return the command string that will 
 
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           ping / check if the server is alive 
 
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177
        """
 
178
 
 
179
        return "%s --ping --port=%d --user=root" % (self.drizzle_client_path, self.master_port)
 
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    def is_started(self):
 
182
        """ Determine if the server is up and running - 
 
183
            this may vary from server type to server type
 
184
 
 
185
        """
 
186
 
 
187
        # We experiment with waiting for a pid file to be created vs. pinging
 
188
        # This is what test-run.pl does and it helps us pass logging_stats tests
 
189
        # while not self.ping_server(server, quiet=True) and timer != timeout:
 
190
 
 
191
        return self.system_manager.find_path( [self.pid_file]
 
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                                            , required=0)
 
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194
    def create_slave_config_file(self):
 
195
       """ Create a config file suitable for use
 
196
           with the slave-plugin.  This allows
 
197
           us to tie other servers in easily
 
198
 
 
199
       """
 
200
 
 
201
       config_data = [ "[master1]"
 
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                     , "master-host=127.0.0.1"
 
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                     , "master-port=%d" %self.master_port
 
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                     , "master-user=root"
 
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                     , "master-pass=''"
 
206
                     , "max-reconnects=100"
 
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                     #, "seconds-between-reconnects=20"
 
208
                     ]
 
209
       outfile = open(self.slave_config_file,'w')
 
210
       for line in config_data:
 
211
           outfile.write("%s\n" %(line))
 
212
       outfile.close()
 
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