2
# -*- mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
3
# vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
5
# Copyright (C) 2010,2011 Patrick Crews
7
# This program is free software; you can redistribute it and/or modify
8
# it under the terms of the GNU General Public License as published by
9
# the Free Software Foundation; either version 2 of the License, or
10
# (at your option) any later version.
12
# This program is distributed in the hope that it will be useful,
13
# but WITHOUT ANY WARRANTY; without even the implied warranty of
14
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15
# GNU General Public License for more details.
17
# You should have received a copy of the GNU General Public License
18
# along with this program; if not, write to the Free Software
19
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22
""" drizzled.py: code to allow a serverManager
23
to provision and start up a drizzled server object
30
from lib.server_mgmt.server import Server
32
class drizzleServer(Server):
33
""" represents a drizzle server, its possessions
34
(datadir, ports, etc), and methods for controlling
37
TODO: create a base server class that contains
38
standard methods from which we can inherit
39
Currently there are definitely methods / attr
44
def __init__( self, name, server_manager, default_storage_engine
45
, server_options, requester, workdir_root):
46
super(drizzleServer, self).__init__( name, server_manager
47
, default_storage_engine
48
, server_options, requester
50
self.code_tree = self.system_manager.code_tree
51
self.preferred_base_port = 9306
53
self.port_block = self.system_manager.port_manager.get_port_block( self.name
54
, self.preferred_base_port
56
self.master_port = self.port_block[0]
57
self.drizzle_tcp_port = self.port_block[1]
58
self.mc_port = self.port_block[2]
59
self.pbms_port = self.port_block[3]
60
self.rabbitmq_node_port = self.port_block[4]
63
# Generate our working directories
64
self.dirset = { self.name : { 'var': {'std_data_ln':( os.path.join(self.code_tree.testdir,'std_data'))
68
,'master-data': {'local': { 'test':None
75
self.workdir = self.system_manager.create_dirset( workdir_root
77
self.vardir = os.path.join(self.workdir,'var')
78
self.tmpdir = os.path.join(self.vardir,'tmp')
79
self.rundir = os.path.join(self.vardir,'run')
80
self.logdir = os.path.join(self.vardir,'log')
81
self.datadir = os.path.join(self.vardir,'master-data')
83
self.error_log = os.path.join(self.logdir,('%s.err' %(self.name)))
84
self.pid_file = os.path.join(self.rundir,('%s.pid' %(self.name)))
85
self.socket_file = os.path.join(self.vardir, ('%s.sock' %(self.name)))
86
self.timer_file = os.path.join(self.logdir,('timer'))
88
# Do magic to create a config file for use with the slave
90
self.slave_config_file = os.path.join(self.logdir,'slave.cnf')
91
self.create_slave_config_file()
93
self.snapshot_path = os.path.join(self.tmpdir,('snapshot_%s' %(self.master_port)))
94
# We want to use --secure-file-priv = $vardir by default
95
# but there are times / tools when we need to shut this off
96
if self.no_secure_file_priv:
97
self.secure_file_string = ''
99
self.secure_file_string = "--secure-file-priv='%s'" %(self.vardir)
100
self.user_string = '--user=root'
103
self.drizzledump = self.code_tree.drizzledump
104
self.drizzle_client = self.code_tree.drizzle_client
105
self.drizzleimport = self.code_tree.drizzleimport
106
self.drizzleadmin = self.code_tree.drizzleadmin
107
self.drizzleslap = self.code_tree.drizzleslap
108
self.server_path = self.code_tree.drizzle_server
109
self.drizzle_client_path = self.code_tree.drizzle_client
110
self.schemawriter = self.code_tree.schemawriter
112
self.initialize_databases()
113
self.take_db_snapshot()
116
self.logging.debug_class(self)
119
""" We print out some general useful info """
120
report_values = [ 'name'
125
, 'rabbitmq_node_port'
129
self.logging.info("%s server:" %(self.owner))
130
for key in report_values:
131
value = vars(self)[key]
132
self.logging.info("%s: %s" %(key.upper(), value))
134
def get_start_cmd(self):
135
""" Return the command string that will start up the server
136
as desired / intended
140
server_args = [ self.process_server_options()
141
, "--mysql-protocol.port=%d" %(self.master_port)
142
, "--mysql-protocol.connect-timeout=60"
143
, "--innodb.data-file-path=ibdata1:20M:autoextend"
144
, "--sort-buffer-size=256K"
145
, "--max-heap-table-size=1M"
146
, "--mysql-unix-socket-protocol.path=%s" %(self.socket_file)
147
, "--pid-file=%s" %(self.pid_file)
148
, "--drizzle-protocol.port=%d" %(self.drizzle_tcp_port)
149
, "--default-storage-engine=%s" %(self.default_storage_engine)
150
, "--datadir=%s" %(self.datadir)
151
, "--tmpdir=%s" %(self.tmpdir)
152
, self.secure_file_string
157
server_args.append('--gdb')
158
return self.system_manager.handle_gdb_reqs(self, server_args)
160
return "%s %s %s & " % ( self.cmd_prefix
162
, " ".join(server_args)
166
def get_stop_cmd(self):
167
""" Return the command that will shut us down """
169
return "%s --user=root --port=%d --shutdown " %(self.drizzle_client_path, self.master_port)
172
def get_ping_cmd(self):
173
"""Return the command string that will
174
ping / check if the server is alive
178
return "%s --ping --port=%d --user=root" % (self.drizzle_client_path, self.master_port)
180
def is_started(self):
181
""" Determine if the server is up and running -
182
this may vary from server type to server type
186
# We experiment with waiting for a pid file to be created vs. pinging
187
# This is what test-run.pl does and it helps us pass logging_stats tests
188
# while not self.ping_server(server, quiet=True) and timer != timeout:
190
return self.system_manager.find_path( [self.pid_file]
193
def create_slave_config_file(self):
194
""" Create a config file suitable for use
195
with the slave-plugin. This allows
196
us to tie other servers in easily
200
config_data = [ "master-host=127.0.0.1"
201
, "master-port=%d" %self.master_port
204
, "max-reconnects=100"
205
, "seconds-between-reconnects=20"
207
outfile = open(self.slave_config_file,'w')
208
for line in config_data:
209
outfile.write("%s\n" %(line))