forked from dbtucker/cp-service
-
Notifications
You must be signed in to change notification settings - Fork 0
/
cp-zk-service
executable file
·174 lines (152 loc) · 3.9 KB
/
cp-zk-service
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
#! /bin/bash
###
#
# chkconfig: 35 29 51
# description: Enables Confluent Platform Zookeeper service
#
### BEGIN INIT INFO
# Provides: cp-zookeeper
# Required-Start: $network
# Required-Stop: $network
# Should-Start:
# Should-Stop:
# Default-Start: 3 5
# Default-Stop: 0 1 2 6
# Short-Description: Manage Confluent Platform Zookeeper service
### END INIT INFO
#
# Simple wrapper to start/stop services as part of
# the Confluent Platform.
#
# rpm/deb installation : scripts in /etc/init.d
# tar/zip installation : scripts in $TOP/initscripts
#
# Source function library.
if [ -r /etc/init.d/functions ]; then
. /etc/init.d/functions
fi
# Import LSB log_* and *-daemon functions.
if [ -r /lib/lsb/init-functions ]; then
. /lib/lsb/init-functions
fi
exitCode=0
name=cp-zk-service
desc="Confluent Platform ZK daemon"
# These variables __should__ be imported from a well-defined location
THIS_SCRIPT="$(readlink -f ${BASH_SOURCE[0]})"
INIT_HOME=$(dirname $THIS_SCRIPT)
CONF_HOME=$(dirname $INIT_HOME)
if [ -d $CONF_HOME/bin -a -x $CONF_HOME/bin/zookeeper-server-start ] ; then
CONF_KAFKA_BIN=$CONF_HOME/bin
CONF_ZK_BIN=$CONF_HOME/bin
else
CONF_KAFKA_BIN=/usr/bin
CONF_ZK_BIN=/usr/bin
fi
if [ -d $CONF_HOME/etc/kafka ] ; then
CONF_ZK_ETC=$CONF_HOME/etc/kafka
else
CONF_ZK_ETC=/etc/kafka
fi
CONF_ZK_PROPERTIES=${CONF_ZK_ETC}/zookeeper.properties
CONF_ZK_USER=`stat -c "%U" $CONF_ZK_PROPERTIES`
RC_PID_DIR=/var/run
PIDFILE=$RC_PID_DIR/${name}.pid
RC_LOCK_DIR=/var/lock/subsys
[ ! -d $RC_LOCK_DIR ] && RC_LOCK_DIR=/var/lock
LOCKFILE=$RC_LOCK_DIR/${name}
do_start() {
if which start-stop-daemon &> /dev/null ; then
log_daemon_msg "Starting $desc" "$name"
start-stop-daemon --quiet --chuid $CONF_ZK_USER --pidfile $PIDFILE --exec $CONF_ZK_BIN/zookeeper-server-start --start -- -daemon $CONF_ZK_PROPERTIES
exitCode=$?
log_end_msg $exitCode
else
echo -n $"Starting $desc ($name): "
daemon --user $CONF_ZK_USER --pidfile $PIDFILE $CONF_ZK_BIN/zookeeper-server-start -daemon $CONF_ZK_PROPERTIES
exitCode=$?
echo
fi
# Because the startup scripts use nohup, we have to
# do our own computation of PID here.
if [ $exitCode -eq 0 ] ; then
PID=`pgrep -u $CONF_ZK_USER java | xargs --no-run-if-empty ps fp | grep -e $CONF_ZK_PROPERTIES | cut -f1 -d' '`
echo $PID > $PIDFILE
fi
[ $exitCode -eq 0 ] && [ -d $RC_LOCK_DIR ] && touch $LOCKFILE
return $exitCode
}
do_stop() {
[ -s $PIDFILE ] && PID=`cat $PIDFILE`
[ -z "${PID:-}" ] && $CONF_ZK_BIN/zookeeper-server-stop $CONF_ZK_PROPERTIES
if which start-stop-daemon &> /dev/null ; then
log_daemon_msg "Stopping $desc" "$name"
start-stop-daemon --stop --quiet --oknodo --pidfile $PIDFILE
exitCode=$?
log_end_msg $exitCode
else
echo -n $"Stopping $desc ($name): "
if [ -f $PIDFILE ] ; then
PID=$(cat $PIDFILE)
else
PID=`pgrep -u $CONF_ZK_USER java | xargs --no-run-if-empty ps fp | grep -e $CONF_ZK_PROPERTIES | cut -f1 -d' '`
fi
[ -n "$PID" ] && kill -9 $PID
exitCode=$?
echo
fi
[ $exitCode -eq 0 ] && rm -f $LOCKFILE $PIDFILE
}
do_restart() {
do_stop
sleep 3
do_start
}
do_status(){
if which apt-get &> /dev/null ; then
status_of_proc -p $PIDFILE $name $name
exitCode=$?
else
status -p $PIDFILE $name
exitCode=$?
fi
}
do_qstatus(){
[ -f $PIDFILE ] && PID=`cat $PIDFILE`
[ -n "$PID" ] && kill -0 "$PID" > /dev/null 2>&1
if [ $? -eq 0 ] ; then
eval $(grep ^clientPort ${CONF_ZK_PROPERTIES})
$CONF_KAFKA_BIN/kafka-run-class -name zookeeper org.apache.zookeeper.client.FourLetterWordMain localhost ${clientPort:-2181} srvr | grep ^Mode
exitCode=$?
else
exitCode=1
fi
}
do_condrestart() {
[ -e $LOCK_FILE ] && do_restart || :
exitCode=$?
}
case "$1" in
start)
do_start
;;
stop)
do_stop
;;
status)
do_status
;;
qstatus)
do_qstatus
;;
restart)
do_restart
;;
condrestart)
do_condrestart
;;
*)
echo $"Usage: $0 {start|stop|status|qstatus|restart|condrestart}"
exit 1
esac
exit $exitCode