blob: db54bd5b38470656fd658752dd4ec669bd8fcf62 (
plain) (
blame)
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
|
#!/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.
# Run a shell command on all slave hosts.
#
# Environment Variables
#
# HDFSPROXY_SLAVES File naming remote hosts.
# Default is ${HDFSPROXY_CONF_DIR}/hdfsproxy-hosts.
# HDFSPROXY_CONF_DIR Alternate conf dir. Default is ${HDFSPROXY_HOME}/conf.
# HDFSPROXY_SLAVE_SLEEP Seconds to sleep between spawning remote commands.
# HDFSPROXY_SSH_OPTS Options passed to ssh when running remote commands.
##
usage="Usage: hdfsproxy-slaves.sh [--config confdir] command..."
# if no args specified, show usage
if [ $# -le 0 ]; then
echo $usage
exit 1
fi
bin=`dirname "$0"`
bin=`cd "$bin"; pwd`
. "$bin"/hdfsproxy-config.sh
# If the slaves file is specified in the command line,
# then it takes precedence over the definition in
# hdfsproxy-env.sh. Save it here.
HOSTLIST=$HDFSPROXY_SLAVES
if [ -f "${HDFSPROXY_CONF_DIR}/hdfsproxy-env.sh" ]; then
. "${HDFSPROXY_CONF_DIR}/hdfsproxy-env.sh"
fi
if [ "$HOSTLIST" = "" ]; then
if [ "$HDFSPROXY_SLAVES" = "" ]; then
export HOSTLIST="${HDFSPROXY_CONF_DIR}/hdfsproxy-hosts"
else
export HOSTLIST="${HDFSPROXY_SLAVES}"
fi
fi
for slave in `cat "$HOSTLIST"`; do
ssh $HDFSPROXY_SSH_OPTS $slave $"${@// /\\ }" \
2>&1 | sed "s/^/$slave: /" &
if [ "$HDFSPROXY_SLAVE_SLEEP" != "" ]; then
sleep $HDFSPROXY_SLAVE_SLEEP
fi
done
wait
|
