blob: 48aad782bd9d1ecaa2f2c847c1cce8e0d2e6b7f9 (
plain)
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
|
#!/bin/sh
# ctdbd wrapper - start or stop CTDB
usage ()
{
echo "usage: ctdbd_wrapper { start | stop }"
exit 1
}
[ $# -eq 1 ] || usage
action="$1"
############################################################
if [ -z "$CTDB_BASE" ] ; then
export CTDB_BASE="/usr/local/etc/ctdb"
fi
. "${CTDB_BASE}/functions"
loadconfig "ctdb"
ctdbd="${CTDBD:-/usr/local/sbin/ctdbd}"
############################################################
# If necessary, mount volatile database directory on tmpfs
dbdir_tmpfs_start ()
{
if [ -z "$CTDB_DBDIR_TMPFS_OPTIONS" ] ; then
return
fi
# Shortcut for readability
_opts="$CTDB_DBDIR_TMPFS_OPTIONS"
mkdir -p "$CTDB_DBDIR" || exit $?
# If already mounted then remount, otherwise mount
if findmnt -t tmpfs "$CTDB_DBDIR" >/dev/null ; then
mount -t tmpfs -o "remount,$_opts" none "$CTDB_DBDIR" || \
exit $?
else
mount -t tmpfs -o "$_opts" none "$CTDB_DBDIR" || exit $?
fi
}
# If necessary, unmount volatile database tmpfs directory on exit
dbdir_tmpfs_stop ()
{
if [ -z "$CTDB_DBDIR_TMPFS_OPTIONS" ] ; then
return
fi
if [ -d "$CTDB_DBDIR" ] && findmnt -t tmpfs "$CTDB_DBDIR" >/dev/null ; then
umount "$CTDB_DBDIR"
fi
}
# Only the nested function references its arguments
# shellcheck disable=SC2120
build_ctdb_options ()
{
ctdb_options=""
maybe_set ()
{
# If the given variable isn't set then do nothing
[ -n "$2" ] || return
# If a required value for the variable and it doesn't match,
# then do nothing
[ -z "$3" -o "$3" = "$2" ] || return
val="'$2'"
case "$1" in
--*) sep="=" ;;
-*) sep=" " ;;
esac
# For these options we're only passing a value-less flag.
if [ -n "$3" ] ; then
val=""
sep=""
fi
ctdb_options="${ctdb_options}${ctdb_options:+ }${1}${sep}${val}"
}
if [ -z "$CTDB_RECOVERY_LOCK" ] ; then
echo "No recovery lock specified. Starting CTDB without split brain prevention."
fi
maybe_set "--reclock" "$CTDB_RECOVERY_LOCK"
# build up ctdb_options variable from optional parameters
maybe_set "--logging" "$CTDB_LOGGING"
maybe_set "--nlist" "$CTDB_NODES"
maybe_set "--listen" "$CTDB_NODE_ADDRESS"
maybe_set "--dbdir" "$CTDB_DBDIR"
maybe_set "--dbdir-persistent" "$CTDB_DBDIR_PERSISTENT"
maybe_set "--dbdir-state" "$CTDB_DBDIR_STATE"
maybe_set "--transport" "$CTDB_TRANSPORT"
maybe_set "-d" "$CTDB_DEBUGLEVEL"
maybe_set "--notification-script" "$CTDB_NOTIFY_SCRIPT"
maybe_set "--start-as-disabled" "$CTDB_START_AS_DISABLED" "yes"
maybe_set "--start-as-stopped " "$CTDB_START_AS_STOPPED" "yes"
maybe_set "--no-recmaster" "$CTDB_CAPABILITY_RECMASTER" "no"
maybe_set "--no-lmaster" "$CTDB_CAPABILITY_LMASTER" "no"
maybe_set "--nosetsched" "$CTDB_NOSETSCHED" "yes"
maybe_set "--script-log-level" "$CTDB_SCRIPT_LOG_LEVEL"
maybe_set "--max-persistent-check-errors" "$CTDB_MAX_PERSISTENT_CHECK_ERRORS"
}
export_debug_variables ()
{
[ -n "$CTDB_DEBUG_HUNG_SCRIPT" ] && export CTDB_DEBUG_HUNG_SCRIPT
[ -n "$CTDB_DEBUG_LOCKS" ] && export CTDB_DEBUG_LOCKS
}
############################################################
start()
{
dbdir_tmpfs_start
# build_ctdb_options() takes no arguments
# shellcheck disable=SC2119
build_ctdb_options
export_debug_variables
# Explicitly trying to disable core files, no other way
# shellcheck disable=SC2039
if [ "$CTDB_SUPPRESS_COREFILE" = "yes" ]; then
ulimit -c 0
else
ulimit -c unlimited
fi
# Unsupported option easily avoided by not using configuration variable
# shellcheck disable=SC2039
if [ -n "$CTDB_MAX_OPEN_FILES" ]; then
ulimit -n "$CTDB_MAX_OPEN_FILES"
fi
if [ -n "$CTDB_VALGRIND" -a "$CTDB_VALGRIND" != "no" ] ; then
if [ "$CTDB_VALGRIND" = "yes" ] ; then
ctdbd="valgrind -q --log-file=/usr/local/var/log/ctdb_valgrind ${ctdbd}"
else
ctdbd="${CTDB_VALGRIND} ${ctdbd}"
fi
ctdb_options="${ctdb_options} --valgrinding"
fi
case "$CTDB_LOGGING" in
syslog:udp|syslog:udp-rfc5424)
logger -t ctdbd "CTDB is being run with ${CTDB_LOGGING}. If nothing is logged then check your syslogd configuration"
;;
syslog|syslog:*) : ;;
file:*)
logger -t ctdbd "CTDB is being run without syslog enabled. Logs will be in ${CTDB_LOGGING#file:}"
;;
*)
logger -t ctdbd "CTDB is being run without syslog enabled. Logs will be in log.ctdb"
esac
eval "$ctdbd" "$ctdb_options" || return 1
# Wait until ctdbd has started and is ready to respond to clients.
_timeout="${CTDB_STARTUP_TIMEOUT:-10}"
_count=0
while [ "$_count" -lt "$_timeout" ] ; do
if $CTDB runstate first_recovery startup running >/dev/null 2>&1 ; then
return 0
fi
_count=$((_count + 1))
sleep 1
done
echo "Timed out waiting for initialisation - check logs"
# Attempt a shutdown just in case things are still running
$CTDB shutdown >/dev/null 2>&1
drop_all_public_ips >/dev/null 2>&1
return 1
}
stop()
{
$CTDB shutdown
# The above command is important and needs to stand out, so
# post-check exit status
# shellcheck disable=SC2181
if [ $? -ne 0 ] ; then
echo "Error while shutting down CTDB"
drop_all_public_ips >/dev/null 2>&1
return 1
fi
dbdir_tmpfs_stop
return 0
}
############################################################
# Allow notifications for start/stop.
if [ -x "$CTDB_BASE/rc.ctdb" ] ; then
"$CTDB_BASE/rc.ctdb" "$action"
fi
case "$action" in
start) start ;;
stop) stop ;;
*)
echo "usage: $0 {start|stop}"
exit 1
esac
|
