1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
|
#!/sbin/runscript
# Copyright 1999-2006 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/dev-db/mysql-init-scripts/files/mysqlmanager.rc6,v 1.1 2007/01/12 16:54:20 chtekk Exp $
# external binaries used: which, sed, tac
depend() {
use dns net localmount netmount nfsmount
#provide mysql
}
# int in_list(char * elem, char * list)
function in_list() {
local elem=${1:-"none"}
local list=${2:-","}
[[ "${list}" == "${list/,${elem},/}" ]] \
&& return 1 \
|| return 0
}
do_escape() {
# Ihatethisreallyverymuch
#echo "$1" | sed -e "s|'| |" -e "s|=|='|" -e "s|$|'|"
echo "$1"
}
# int get_slot_config(srv_slot=0, srv_num)
get_slot_config() {
[[ ${DEBUG} -ge 4 ]] && einfo ">>> get_slot_config(\"${1}\", \"${2}\")"
srv_slot="${1:-"0"}"
srv_num="${2}"
MY_SUFFIX="-${srv_slot}"
[[ "${MY_SUFFIX}" == '-0' ]] && MY_SUFFIX=''
basedir="" pidfile="" socket=""
local tmp_eval="mysqlmanager_slot_${srv_slot}${srv_num:+"_"}${srv_num}[@]"
local conf_d_parameters="${!tmp_eval}"
[[ ${conf_d_parameters[*]} == '()' ]] && conf_d_parameters=''
MY_CNF="/etc/mysql${MY_SUFFIX}/my.cnf"
# summa of unmanaged parameters
# some parameters may be present multiple times
unmanagedparams=""
# grab the parameters from conf.d/mysql definition
for my_default in ${conf_d_parameters[*]} ; do
case "${my_default}" in
mycnf=*) MY_CNF="${my_default#mycnf=}" ;;
basedir=*) basedir="${my_default#basedir=}" ;;
pid-file=*) pidfile="${my_default#pid-file=}" ;;
socket=*) socket="${my_default#socket=}" ;;
*=*)
# list of parameters we already have
# prepend "--" because my_print_defaults do it
unmanagedparams="${unmanagedparams} --$( do_escape "${my_default}" )"
;;
*)
unmanagedparams="${unmanagedparams} --${my_default}"
;;
esac
done
if [[ ! -r "${MY_CNF}" ]] ; then
ewarn "Cannot access ${MY_CNF} !"
MY_CNF=""
my_defaults=""
else
local my_print_defaults="$(which my_print_defaults${MY_SUFFIX} 2>/dev/null)"
if [[ ! -x "${my_print_defaults}" ]] ; then
eerror "my_print_defaults NOT found or not executable"
my_defaults=""
else
my_defaults=$( ${my_print_defaults} \
--loose-verbose \
--config-file="${MY_CNF}" \
manager )
fi
fi
# grab needed parameters from my.cnf, don't override the ones from
# conf.d/mysql
for my_default in ${my_defaults} ; do
case "${my_default}" in
--pid-file=*)
[[ -z "${pidfile}" ]] && pidfile="${my_default#--pid-file=}" ;;
--socket=*)
[[ -z "${socket}" ]] && socket="${my_default#--socket=}" ;;
esac
done
# still empty, I'm in doubt if assign a default or break, will see
basedir="${basedir:-"/usr"}"
pidfile="${pidfile:-"/var/run/mysqld/mysqlmanager${MY_SUFFIX}.pid"}"
socket="${socket:-"/var/run/mysqld/mysqlmanager${MY_SUFFIX}.sock"}"
if [[ ${DEBUG} -ge 3 ]] ; then
einfo "basedir => ${basedir}"
einfo "pidfile => ${pidfile}"
einfo "socket => ${socket}"
einfo "Unamanged => ${unmanagedparams}"
fi
# push these out to the script
export MY_SUFFIX MY_CNF pidfile basedir socket
export unmanagedparams
[[ ${DEBUG} -ge 4 ]] && einfo "<<< get_slot_config() ok"
return 0
}
start() {
[[ ${DEBUG} -ge 4 ]] && einfo ">>> start()"
MYSQL_GLOB_PID_FILE=${MYSQL_GLOB_PID_FILE:-"/var/run/svc-started-${SVCNAME}"}
# servers are defined in /etc/conf.d/mysql
local serverlist=${!mysqlmanager_slot_*}
# provide default for empty conf.d/mysql
if [[ -z "${serverlist}" ]] ; then
serverlist=0
export mysqlmanager_slot_0=()
fi
local retstatus timeout
local globretstatus=1
local srv_slot srv_num
# server MUST NOT share same location for these
local pidfilelist=',' socketlist=','
# additional security
rm -f "${MYSQL_GLOB_PID_FILE}" ; touch "${MYSQL_GLOB_PID_FILE}"
if [[ $? -ne 0 ]] ; then
eerror "cannot create MYSQL_GLOB_PID_FILE: ${MYSQL_GLOB_PID_FILE}"
[[ ${DEBUG} -ge 4 ]] && einfo "<<< start() KO"
return 1
fi
ebegin
# try to start each server
for srv in ${serverlist[*]} ; do
einfo "working on ${srv}"
srv_slot="${srv#mysqlmanager_slot_}"
if [[ "${srv_slot}" == "${srv_slot#*_}" ]] ; then
srv_num=''
else
srv_num="${srv_slot#*_}"
fi
srv_slot="${srv_slot%%_*}"
retstatus=0
get_slot_config "${srv_slot}" "${srv_num}" || retstatus=1
# timeout (seconds) before declaring the startup failed
# pre_run checks
if [[ "$retstatus" -eq 0 ]] ; then
if in_list "${pidfile}" "${pidfilelist}" ; then
retstatus=3
eerror "Sorry, won't start with same pid-file: ${pidfile}"
fi
if in_list "${socket}" "${socketlist}" ; then
retstatus=5
eerror "Sorry, won't start with same socket: ${socket}"
fi
fi
if [[ $retstatus -eq 0 ]] ; then
# additional security
rm -f ${pidfile} ${socket}
einfo "Starting mysqlmanager${MY_SUFFIX:+"_"}${srv_slot}${srv_num:+"_"}${srv_num} (${MY_CNF})"
[[ ${DEBUG} -ge 2 ]] && echo "starting mysqlmanager with: "${basedir}/sbin/mysqlmanager${MY_SUFFIX} ${unmanagedparams} --pid-file=${pidfile} --socket=${socket}
start-stop-daemon --quiet --start --background \
--pidfile "${pidfile}" \
--exec ${basedir}/sbin/mysqlmanager${MY_SUFFIX} \
-- \
${MY_CNF:+"--defaults-file="}${MY_CNF} \
${unmanagedparams} \
--pid-file=${pidfile} \
--socket=${socket}
retstatus=$?
if [[ "${retstatus}" -eq 0 ]] ; then
pidfilelist="${pidfilelist}${pidfile},"
socketlist="${socketlist}${socket},"
globretstatus=0
echo "${srv_slot}${srv_num:+"_"}${srv_num}=${pidfile}" >> "${MYSQL_GLOB_PID_FILE}"
fi
fi
done
# successfull if at least one mysqlmanager started
[[ ${DEBUG} -ge 4 ]] && einfo "<<< start()"
eend $globretstatus
}
stop () {
MYSQL_GLOB_PID_FILE=${MYSQL_GLOB_PID_FILE:-"/var/run/svc-started-${SVCNAME}"}
local runwhat pidfile shutdown_elem
local PID cnt timeout
local retstatus=0
local shutdown_list="$(< "${MYSQL_GLOB_PID_FILE}" )"
# shutdown in reverse order
ebegin
for shutdown_elem in $shutdown_list; do
runwhat=${shutdown_elem%%=*}
pidfile=${shutdown_elem#*=}
timeout=${STOPTIMEOUT:-"10"}
einfo "Stopping mysqlmanager (${runwhat})"
PID=$(cat "${pidfile}" 2>/dev/null)
start-stop-daemon --stop --quiet --pidfile="${pidfile}"
[[ ${DEBUG} -ge 1 ]] && echo ""
while [[ -n "$PID" && $( kill -0 $PID 2>/dev/null ) && "${timeout}" -ge 1 ]] ; do
timeout=$(($timeout - 1))
[[ ${DEBUG} -ge 1 ]] && echo -n $(( $STOPTIMEOUT - $timeout ))
sleep 1
done
if [[ "${timeout}" -lt 1 ]] ; then
retstatus=$(( $retstatus + 1 ))
fi
done
[[ "$retstatus" -eq 0 ]] && rm -f "$MYSQL_GLOB_PID_FILE"
eend $retstatus
}
|
GitWeb