blob: 527ae42cfd3be1a1bdffc08bdee4d4d0cd42ae95 (
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
|
#!/usr/bin/env bash
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# Runs a yarn command as a daemon.
#
# Environment Variables
#
# YARN_CONF_DIR Alternate conf dir. Default is ${HADOOP_YARN_HOME}/conf.
# YARN_LOG_DIR Where log files are stored. PWD by default.
# YARN_MASTER host:path where hadoop code should be rsync'd from
# YARN_PID_DIR The pid files are stored. /tmp by default.
# YARN_IDENT_STRING A string representing this instance of hadoop. $USER by default
# YARN_NICENESS The scheduling priority for daemons. Defaults to 0.
##
usage="Usage: yarn-daemon.sh [--config <conf-dir>] [--hosts hostlistfile] (start|stop) <yarn-command> "
# if no args specified, show usage
if [ $# -le 1 ]; then
echo $usage
exit 1
fi
bin=`dirname "${BASH_SOURCE-$0}"`
bin=`cd "$bin"; pwd`
DEFAULT_LIBEXEC_DIR="$bin"/../libexec
HADOOP_LIBEXEC_DIR=${HADOOP_LIBEXEC_DIR:-$DEFAULT_LIBEXEC_DIR}
. $HADOOP_LIBEXEC_DIR/yarn-config.sh
# get arguments
startStop=$1
shift
command=$1
shift
hadoop_rotate_log ()
{
log=$1;
num=5;
if [ -n "$2" ]; then
num=$2
fi
if [ -f "$log" ]; then # rotate logs
while [ $num -gt 1 ]; do
prev=`expr $num - 1`
[ -f "$log.$prev" ] && mv "$log.$prev" "$log.$num"
num=$prev
done
mv "$log" "$log.$num";
fi
}
if [ -f "${YARN_CONF_DIR}/yarn-env.sh" ]; then
. "${YARN_CONF_DIR}/yarn-env.sh"
fi
if [ "$YARN_IDENT_STRING" = "" ]; then
export YARN_IDENT_STRING="$USER"
fi
# get log directory
if [ "$YARN_LOG_DIR" = "" ]; then
export YARN_LOG_DIR="$HADOOP_YARN_HOME/logs"
fi
if [ ! -w "$YARN_LOG_DIR" ] ; then
mkdir -p "$YARN_LOG_DIR"
chown $YARN_IDENT_STRING $YARN_LOG_DIR
fi
if [ "$YARN_PID_DIR" = "" ]; then
YARN_PID_DIR=/tmp
fi
# some variables
export YARN_LOGFILE=yarn-$YARN_IDENT_STRING-$command-$HOSTNAME.log
export YARN_ROOT_LOGGER=${YARN_ROOT_LOGGER:-INFO,RFA}
log=$YARN_LOG_DIR/yarn-$YARN_IDENT_STRING-$command-$HOSTNAME.out
pid=$YARN_PID_DIR/yarn-$YARN_IDENT_STRING-$command.pid
YARN_STOP_TIMEOUT=${YARN_STOP_TIMEOUT:-5}
# Set default scheduling priority
if [ "$YARN_NICENESS" = "" ]; then
export YARN_NICENESS=0
fi
case $startStop in
(start)
[ -w "$YARN_PID_DIR" ] || mkdir -p "$YARN_PID_DIR"
if [ -f $pid ]; then
if kill -0 `cat $pid` > /dev/null 2>&1; then
echo $command running as process `cat $pid`. Stop it first.
exit 1
fi
fi
if [ "$YARN_MASTER" != "" ]; then
echo rsync from $YARN_MASTER
rsync -a -e ssh --delete --exclude=.svn --exclude='logs/*' --exclude='contrib/hod/logs/*' $YARN_MASTER/ "$HADOOP_YARN_HOME"
fi
hadoop_rotate_log $log
echo starting $command, logging to $log
cd "$HADOOP_YARN_HOME"
nohup nice -n $YARN_NICENESS "$HADOOP_YARN_HOME"/bin/yarn --config $YARN_CONF_DIR $command "$@" > "$log" 2>&1 < /dev/null &
echo $! > $pid
sleep 1
head "$log"
# capture the ulimit output
echo "ulimit -a" >> $log
ulimit -a >> $log 2>&1
;;
(stop)
if [ -f $pid ]; then
TARGET_PID=`cat $pid`
if kill -0 $TARGET_PID > /dev/null 2>&1; then
echo stopping $command
kill $TARGET_PID
sleep $YARN_STOP_TIMEOUT
if kill -0 $TARGET_PID > /dev/null 2>&1; then
echo "$command did not stop gracefully after $YARN_STOP_TIMEOUT seconds: killing with kill -9"
kill -9 $TARGET_PID
fi
else
echo no $command to stop
fi
else
echo no $command to stop
fi
;;
(*)
echo $usage
exit 1
;;
esac
|
