check_install

操作系统SunOS 4.1.3版本的源码

#!/bin/sh
#set -x
#
# NAME: check_install 
#
#
# USAGE:
#    check_install [-verbose]
#
#    1. The program looks at the current system.  For each cpu touched by this 
#	system, it reports the stuff that has been loaded. 
#        
#PATH=/usr/ucb:/bin:/usr/bin:/etc:/usr/etc
#export PATH
PARAMS=$*
HOST_KARCH=`arch -k`
HOST_ARCH=`arch`
HOST_NAME=`hostname`
EXPR=/usr/bin/expr
VERBOSE=""
#VERBOSE="1"
#FROM_RELEASE=4.1.1
SUN4=sun4
INSTALL_DIR=/etc/install


CLIENT_UPGRADE_CANDIDATES=/usr/tmp/sunupgrade/client_upgrade_candidates

USAGE="$0 [-verbose]"

# general purpose utility subroutines


########################################################################
#
# utility routines
#
########################################################################
#
# provide a single script exit point -- clean up and go away
#
cleanup () {
    rm -f $TOCFILE
    exit $1
}

#
# verbose_log $1
#

verbose_log() {
    if [ $VERBOSE ]
    then
        echo $1
    fi
}

########################################################################
#
# Parse the arguments
#
########################################################################

for param in $PARAMS ; do

    case $param in

    -v | -verbose) VERBOSE=1 ;;

    *)  echo
        echo USAGE : $USAGE
        cleanup 1 ;;
    esac
done

########################################################################
#
# what kind of machine/release are we
#
########################################################################

if [ $HOST_ARCH != $SUN4 ] 
then
    echo "this is not a sun4 machine"
    cleanup 1
fi

INSTALLED_RELEASE=`$CUT -d\. -f4- $INSTALL_DIR/release`

case $INSTALLED_RELEASE in
    ${FROM_RELEASE}* )
        SERVER_CANDIDATE=yes ;;
    *)
        SERVER_CANDIDATE=no ;;
esac


########################################################################
#
# now, do we have clients?  What kind are they?
#
########################################################################

ARCH_LIST=""
KARCH_LIST=""
RELEASE_LIST=""
CLIENT_LIST=""
#
# place to put the candidates
#
rm -f $CLIENT_UPGRADE_CANDIDATES > /dev/null


if [ -f $INSTALL_DIR/client_list ]
then

#
# find all clients
#
    FULL_CLIENT_LIST=`sort -u $INSTALL_DIR/client_list.sun4.sun4*.sunos.* 2>/dev/null`
#    verbose_log "FULL_CLIENT_LIST at $HOST_NAME :"
#    verbose_log "$FULL_CLIENT_LIST"
#    verbose_log

#
# winnow it to unique entries
#
#    FULL_CLIENT_LIST=`echo $FULL_CLIENT_LIST |\
#awk -F' ' '{ for(i=1; i<NF; i++) printf("%s\n", $(NF-i));}' \
#   | sort -u`

#
# for each client on the list
#    find the architecture and release, log the candidates
#

    for CLIENT in $FULL_CLIENT_LIST; do
        if [ -f $INSTALL_DIR/client.$CLIENT ]; then
            ARCH_FILE=$INSTALL_DIR/client.$CLIENT
            ARCH_STR0=`cat $ARCH_FILE | grep arch_str`
            ARCH_STR=`$EXPR $ARCH_STR0 : 'arch_str=\(.*\)' '|' "1"`
            ARCH=`echo $ARCH_STR | nawk -F. '{print $1}'`
            KARCH=`echo $ARCH_STR | nawk -F. '{print $2}'`
            RELEASE=`echo $ARCH_STR | \
		nawk -F. '{rel=""; for (i=4; i<NF; i++) rel=rel $i"."; rel=rel $NF; print rel}'`

            case $RELEASE in 
            4.1.1* | 4.1.2* | 4.1.3*)
                if [ $ARCH = $SUN4 ]; then
                    ARCH_LIST="$ARCH_LIST $ARCH_STR"
                    CLIENT_LIST="$CLIENT_LIST $CLIENT"
                    echo $CLIENT:$ARCH:$KARCH:$RELEASE >> $CLIENT_UPGRADE_CANDIDATES
                    verbose_log "$CLIENT	is at $RELEASE release and is an UPGRADE CANDIDATE "
                else
                    verbose_log "$CLIENT	is a $ARCH and CANNOT BE UPGRADED with this script"
                fi
                ;;
            *)
                verbose_log "$CLIENT	is at $RELEASE release and CANNOT BE UPGRADED with this script"
                ;;
            esac

        else
            echo $INSTALL_DIR/client.$CLIENT not found
        fi
    done
else
    verbose_log "$HOST_NAME has no clients"

fi

#
#    does it have and avail_arches file
#

if [ ! -f /usr/etc/install/tar/avail_arches ]
then
    echo "No media available at /usr/etc/install/tar"
    cleanup 1
fi

########################################################################

#if [ -f  $CLIENT_UPGRADE_CANDIDATES ]; then
#    echo List of client upgrade candidates is placed in the file
#    echo $CLIENT_UPGRADE_CANDIDATES
#    echo They are :
#    cat $CLIENT_UPGRADE_CANDIDATES
#fi
cleanup 0