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#!/bin/sh
#
# Copyright 1999-2006 University of Chicago
#
# 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.
#
# This is a simple shell script that acts like
# the hostname command. But is returns the FQN
# in all cases. It also servers to return just the
# domainname
if test -f ${GLOBUS_LOCATION:-/usr}/share/globus/globus-script-initializer ; then
. ${GLOBUS_LOCATION:-/usr}/share/globus/globus-script-initializer
else
. ${GLOBUS_LOCATION:-/usr}/libexec/globus-script-initializer
fi
PROGRAM_NAME=`echo $0 | ${GLOBUS_SH_SED-sed} -e 's|.*/||g'`
PROGRAM_VERSION=`echo '$Revision: 1.3 $' | ${GLOBUS_SH_CUT-cut} -d' ' -f2`
short_usage="${PROGRAM_NAME} [-help] [-version]"
long_usage()
{
${GLOBUS_SH_CAT-cat} 1>&2 <<EOF
${short_usage}
EOF
case "${PROGRAM_NAME}" in
globus-hostname)
echo " ${PROGRAM_NAME} returns the system hostname and makes some" 1>&2
echo " additional checks to ensure a fully qualified hostname." 1>&2
;;
globus-domainname)
echo " ${PROGRAM_NAME} tries to return the system domainname" 1>&2
;;
*)
echo "Configuration error" 1>&2
exit 1
;;
esac
${GLOBUS_SH_CAT-cat} 1>&2 <<EOF
Setting the environment variable GLOBUS_HOSTNAME will cause
${PROGRAM_NAME} to return a valule based on this variable.
This is useful for specifying the use of certain network interfaces when
communicating etc.
EOF
}
. ${libexecdir}/globus-args-parser-header
if [ -n "$1" ]; then
globus_args_unrecognized_option "$1"
fi
_hostname="${GLOBUS_HOSTNAME}"
# If the ENV variable is not set, determine its correct value
if [ -z "${GLOBUS_HOSTNAME}" ] ; then
# Set the _fullname based upon Globus's hostname command
if [ -x "${sbindir}/globus-libc-hostname" ]; then
_fullname="`${sbindir}/globus-libc-hostname`"
fi
# if failed to set, use the system's hostname command
if [ -z "${_fullname}" ] ; then
_fullname=`${GLOBUS_SH_HOSTNAME-hostname}`
fi
_basename="`echo ${_fullname} | ${GLOBUS_SH_CUT-cut} -d. -f1`"
if [ "X$_fullname" = "X$_basename" -a ! -z "$GLOBUS_LOCALDOMAIN" ] ; then
# Its not fully qualified
_fullname="${_basename}.${GLOBUS_LOCALDOMAIN}"
fi
GLOBUS_HOSTNAME="`echo ${_fullname} | ${GLOBUS_SH_TR-tr} 'A-Z' 'a-z'`"
fi
GLOBUS_DOMAINNAME="`echo $GLOBUS_HOSTNAME | ${GLOBUS_SH_CUT-cut} -s -d '.' -f '2-'`"
case "${PROGRAM_NAME}" in
globus-hostname)
echo $GLOBUS_HOSTNAME
;;
globus-domainname)
echo $GLOBUS_DOMAINNAME
;;
esac
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