/usr/lib/condor/libexec/condor_ssh is in htcondor 8.6.8~dfsg.1-2.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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 | #!/bin/sh
##**************************************************************
##
## Copyright (C) 1990-2017, Condor Team, Computer Sciences Department,
## University of Wisconsin-Madison, WI.
##
## Licensed 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.
##
##**************************************************************
# condor_ssh wrapper
# format of contact file is
# node hostname port cwd username
# This script assumes the existance of a contact file
# and uses it to map a hostname into
# the correct hostname/port of a listening sshd
# Uncomment the following line to have the shell print out
# each command to stderr before running it, useful for
# debugging
#set -x
if [ $# -lt 2 ]
then
echo "Usage: condor_ssh hostname command arg1 arg2"
fi
doneParsing=false
while [ $doneParsing = "false" ]
do
doneParsing=true
if [ "$1" = "-x" ]
then
shift
hasx="-x"
doneParsing="false"
fi
if [ "$1" = "-l" ]
then
shift
shift
doneParsing="false"
fi
if [ "$1" = "-n" ]
then
shift
hasn="-n"
doneParsing="false"
fi
done
proc=$1
shift
# The option can also appear _after_ the host
doneParsing=false
while [ $doneParsing = "false" ]
do
doneParsing=true
if [ "$1" = "-x" ]
then
shift
hasx="-x"
doneParsing="false"
fi
if [ "$1" = "-l" ]
then
shift
shift
doneParsing="false"
fi
if [ "$1" = "-n" ]
then
shift
hasn="-n"
doneParsing="false"
fi
done
# The HTCondor environment variables aren't always passed,
# but this script should always execute from the scratch dir
if [ -z ${_CONDOR_SCRATCH_DIR+x} ]
then
_CONDOR_SCRATCH_DIR=`/bin/pwd`
fi
contact=$_CONDOR_SCRATCH_DIR/contact
if [ ! -f $contact ]
then
echo "error: contact file $contact can't be found"
exit 1
fi
# Note that the spaces in the grep are significant
line=`grep "^$proc " $contact`
if [ $? -ne 0 ]
then
echo Proc $proc is not in contact file $contact
exit 1
fi
#proc=`echo $line | awk '{print $1}'`
host=`echo $line | awk '{print $2}'`
port=`echo $line | awk '{print $3}'`
username=`echo $line | awk '{print $4}'`
dir=`echo $line | awk '{print $5}'`
key=$_CONDOR_SCRATCH_DIR/tmp/$proc.key
# Open MPI/MPICH assumes that you always have a shared filesystem, and
# sticks the pwd in front of all relative executable pathnames
# This is no good.
# So, if any argument contains the pwd, replace it with the scratch dir
ssh_args=$@
p=`/bin/pwd`
ssh_args=`echo $ssh_args | sed s@${p}@${dir}@g`
# Now call ssh with the remaining arguments at the end.
# Set the working directory and $HOME to the scratch dir
# so that the worker processes look there for the user's executable.
/usr/bin/ssh -q $hasn -oStrictHostKeyChecking=no -oUserKnownHostsFile=/dev/null -i $key -l $username -p $port $host cd "$dir" \; export HOME="$dir" \; "$ssh_args"
|