File switch of Package switch_sles_sle-hpc

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File switch of Package switch_sles_sle-hpc

#! /bin/bash

#set -x

#Requires: zypper, rpm, SUSEConnect, coreutils, sed bash

SUSECONNECT=/usr/bin/SUSEConnect

usage() {
    echo "`basename $0` [-h | -e <email> -r <regcode> [-y]]"
    echo -e "\t-y: run in batch mode, do not ask questions"
}

die() {
    echo $1 >&2; exit 1
}

error() {
    echo $i >&2
}

log() {
    echo "$(date) $i" >> "/var/log/$(basename $0)"
}

rpm_e() {
    local list="" opt=""

[ "$1" = "--nodeps" ] && { opt="--nodeps"; shift; }
    while [ $1 ]; do
	rpm -q $1 &> /dev/null && list="${list:+$list }$1"
	shift
    done
    [ -n "$list" ] && { echo "Uninstalling $list"; rpm -e $opt $list || return 1; }
    return 0
}

zypp_in() {
    local list=""

while [ $1 ]; do
	rpm -q $1 &> /dev/null || list="${list:+$list }$1"
	shift
    done
    [ -n "$list" ] && { echo "Installing $list"; zypper -q in -y $list > /dev/null || return 1; }
    return 0
}

read_suseconnect() {
    OFS=$IFS
    IFS='
'
    for i in `${SUSECONNECT} -s | sed -ne "s/[^{]*{$[^}]\+$}[^{]*/\1\n/pg" || die "Cannot read from SUSEConnect"`; do
	unset identifier version status arch regcode subscription_status
	eval $(echo $i | \
	    sed -n  -e "h" -e "s@.*\"identifier\":\"$[^\"]\+$\".*@identifier=\1@p" \
    	    -e "g" -e "s@.*\"version\":\"$[^\"]\+$\".*@version=\1@p"  \
    	    -e "g" -e "s@.*\"status\":\"$[^\"]\+$\".*@status=\1@p" \
    	    -e "g" -e "s@.*\"arch\":\"$[^\"]\+$\".*@arch=\1@p" \
    	    -e "g" -e "s@.*\"regcode\":\"$[^\"]\+$\".*@regcode=\1@p" \
    	    -e "g" -e "s@.*\"subscription_status\":\"$[^\"]\+$\".*@subscription_status=\1@p");
	echo "$identifier:$version:$status:$arch:$regcode:$subscription_status"
    done
    IFS=$OFS
    return 0
}

get_base_info() {
    local data=$1
    local base=$2
    local what=$3
    local identifier version status arch regcode s_status
    declare -i local ret=1
    OFS=$IFS
    IFS='
'
    for i in $data; do
	IFS=: read identifier version status arch regcode s_status <<< $i
	if [ "$identifier" = "$base" ]; then
	    echo $(eval echo \$$what); ret=0; break;
	fi
    done
    IFS=$OFS
    return $ret
}

reregister_modules_extensions() {
    local data=$1
    local base=$2
    local identifier version status arch regcode s_status
    declare -i local ret=0
    OFS=$IFS
    IFS='
'
    for i in $data; do
	IFS=: read identifier version status arch regcode s_status <<< $i
	if [ "$identifier" != "$base" ]; then
	    if [ "$status" == "Registered" ]; then
		if [ -z "$s_status" -o "$s_status" = "ACTIVE" ]; then
		    ${SUSECONNECT} -p $identifier/$version/$arch ${regcode:+-r} $regcode || ret=1
		fi
	    fi
	fi
    done
    IFS=$OFS
    return $ret
}

deregister_modules_extensions() {
    local data=$1
    local base=$2
    local identifier version status arch regcode s_status
    declare -i local ret=0
    OFS=$IFS
    IFS='
'
    for i in $data; do
	IFS=: read identifier version status arch regcode s_status <<< $i
	if [ "$identifier" != "$base" ]; then
	    if [ "$status" == "Registered" ]; then
		${SUSECONNECT} -d -p $identifier/$version/$arch || ret=1
	    fi
	fi
    done
    IFS=$OFS
    return $ret
}

switch_to_sle_hpc() {
    local arch=$1
    local regcode=$2
    local old_regcode=$3
    local error=$4
    [ -z "$error" ] && error=0
    if [ $error -eq 0 ]; then
	echo "Switching to SLE-HPC"
    elif [ $error -eq 1 ]; then
	echo "Restorting SLE-HPC"
    else
	die "Giving up!";
    fi
    let $(( ++error ))

[ "$base_status" = "Registered" ] && { ${SUSECONNECT} --de-register 2>/dev/null || { [ $error -eq 0 ] && \
	die "Cannot deregister product"; }; }
    rpm_e --nodeps sles-release || { echo "Cannot uninstall sles-release";
	switch_to_sles $arch $old_regcode $regcode $error; return 1;  }
    rm -f /etc/products.d/baseproduct; [ -d /etc/products.d/ ] && rm -f /var/cache/zypp/solv/@System/cookie
    [ $old ] && { rpm_e --nodeps patterns-sles-Minimal patterns-sles-base || \
        { echo "Cannot uninstall patterns"; switch_to_sles $arch $old_regcode $regcode $error; return 1; }; }
    ${SUSECONNECT} -p SLE-HPC/12.${SP}/${arch} -r ${regcode} -e ${email} || \
	{ echo "Cannot register SLE-HPC"; switch_to_sles $arch $old_regcode $regcode $error; return 1; }
    ln -sf SLE-HPC.prod /etc/products.d/baseproduct; [ -d /etc/products.d/ ] && rm -rf /var/cache/zypp/solv/@System/cookie
    [ $old ] && zypp_in patterns-sle-hpc-Minimal patterns-sles-base
    return 0
}

switch_to_sles() {
    local arch=$1
    local regcode=$2
    local old_regcode=$3
    local error=$4
    [ -z "$error" ] && error=0
    if [ $error -eq 0 ]; then
	echo "Switching to SLES"
    elif [ $error -eq 1 ]; then
	echo "Restorting SLES"
    else
	die "Giving up!";
    fi
    let $(( ++error ))

[ "$base_status" = "Registered" ] && { ${SUSECONNECT} --de-register 2>/dev/null || { [ $error -eq 0 ] && \
	die "Cannot deregister product"; }; }
    rpm_e --nodeps SLE-HPC-release SLE-HPC-release-POOL || { echo "Cannot uninstall SLE-HPC-release"; \
	switch_to_sle_hpc $arch $old_regcode $regcode $error; return 1; }
    rm -f /etc/products.d/baseproduct; [ -d /etc/products.d/ ] && rm -rf /var/cache/zypp/solv/@System/cookie
    ${SUSECONNECT} -p SLES/12.${SP}/${arch} -r ${regcode} -e ${email} || \
	{ echo "Cannot register SLES"; switch_to_sle_hpc $arch $old_regcode $regcode $error; return 1; }
    ln -sf SLES.prod /etc/products.d/baseproduct; [ -d /etc/products.d/ ] && rm -rf /var/cache/zypp/solv/@System/cookie
    [ $old ] && rpm_e --nodeps patterns-sle-hpc-Minimal
    [ $old ] && zypp_in patterns-sles-Minimal
    return 0
}

validate_warn()
{
    local data=$1
    local base=$2
    local target=$3
    local newreg=$4
    local identifier version status arch regcode s_status
    local i answ

# First check for expired base product
    for i in $data; do
	IFS=: read identifier version status arch regcode s_status <<< $i
	if [ "$identifier" = "$base" ]; then
	    if [ "$s_status" != "ACTIVE" ]; then
		if [ "$regcode" == "$newreg" ]; then
		    cat <<EOF

Your current registration has expired, you cannot use your current
registration key to register a product. Exiting.
EOF
		    exit 1
		elif [ -z "$yes" ]
		then
		    cat <<EOF

Your current subscripiton has expired. In case the registration
as $target fails - for instance if the new registration key is
incorrect - the previous state cannot be restored.
EOF
		    read -p "Are you sure you would like to continue? [y|N]:" answ
		    [ "$answ" = "y" -o "$answ" = "Y" ] || exit
		fi
	    fi
	    break;
	fi
    done

[ -n "$yes" ] && return

for i in $data; do
	IFS=: read identifier version status arch regcode s_status <<< $i
	if [ "$identifier" != "$base" -a  "$status" == "Registered" -a  -n "$regcode" -a "$s_status" != "ACTIVE" ]
	then
	    cat <<EOF

Extension $identifier has expired. It needs to be deregistered to change
the base product and cannot be reregistered afterwards. You will have to
renew the registration and reregister it manually by calling
 ${SUSECONNECT} -p $identifier/$version/$arch -r <regcode> .
EOF
	    read -p "Do you wish to continue? [y|N]:" answ
	    [ "$answ" = "y" -o "$answ" = "Y" ] || exit
	fi
    done
}

while [ $1 ]
do
    case $1 in
	-r) shift; regcode=$1; shift ;;
	-e) shift; email=$1; shift ;;
	-y) shift; yes=1 ;;
	-h) usage; shift ;;
	*) usage; die "Unknown option $1"
    esac
done
[ -n "$email" ] || die "please provide email"

suseconnect="$(read_suseconnect)" || die "Cannot read from SUSEConnect"
[ -n "$suseconnect" ] || die "Not registered"

TYPE=$(sed -ne "s/^NAME=\"$[^\"]\+$\"/\1/p" < /etc/os-release)
base_reg=$(get_base_info "$suseconnect" $TYPE regcode || die "cannot get Base regcode")
base_arch=$(get_base_info "$suseconnect" $TYPE arch || die "cannot get Base arch")
base_version=$(get_base_info "$suseconnect" $TYPE version || die "cannot get Base version")
base_status=$(get_base_info "$suseconnect" $TYPE status || die "cannot get Base status")
SP=${base_version##*.}
VERS=${base_version%%.*}
if [ "$base_arch" == "x86_64" ]
then
   min_sp=2
elif [ "$base_arch" == "aarch64" ]
then
   min_sp=3
else
    die "Only supported for x86_64 and aarch64"
fi
[ $VERS -eq 12 ] || die "Only for SLES12 or SLE-HPC12"
[ $SP -ge $min_sp ] || die "only supported for SP${min_sp} or higher"
[ "$TYPE" = "SLES" -o "$TYPE" = "SLE-HPC" ] || die "only for SLES or SLE-HPC"
[ $SP -lt 4 ] && old=1

if [ "$(basename $0)" = "switch_sles_sle-hpc" -o \
     "$(basename $0)" = "switch_to_sle-hpc" ]
then
    if [ "$TYPE" = "SLES" ]; then
	target="SLE-HPC"
	func=switch_to_sle_hpc
    else
	die "Already SLE-HPC"
    fi
elif  [ "$(basename $0)" = "switch_sle-hpc_sles" -o \
        "$(basename $0)" = "switch_to_sles" ]
then
    if [ "$TYPE" = "SLE-HPC" ]; then
	target="SLES"
	func=switch_to_sles
    else
	die "Already SLES"
    fi
else
    die "Unkown function: $(basename $0)"
fi

if [ -z "$regcode" ]
then
    if [ -z "$yes" ]
    then
	cat <<EOF

You have not supplied a registration code to register $target.
It is possible to reuse the registration code of your
current subscription if this is also valid for $target.
This is usually the case for codes valid for a SLES subscription.
EOF
	if [ "$target" = "SLE-HPC" ]
	then
	    cat <<EOF

If you wish to change your registration key for SLE-HPC please
provide a new key using the '-r' option.
For details check 'man 8 switch_sles_sle-hpc'.
EOF
	fi
	read -p "Do you wish to reuse the $TYPE registration key? [y|N]:" answ
	[ "$answ" = "y" -o "$answ" = "Y" ] || exit
    fi
    regcode=$base_reg
    [ -n "$regcode" ] || die "You must supply a regcode for the base product"
fi

validate_warn $suseconnect $base $target $regcode || exit 1

log "$suseconnect"

msg=""
declare -i ret=0
deregister_modules_extensions "$suseconnect" ${TYPE}
$func $base_arch $regcode $base_reg 0 || { msg="Registration of $target failed, please check your reg-code and messages above.\n$TYPE restored\n."; ret=1; }
reregister_modules_extensions "$suseconnect" ${TYPE}
echo -en "$msg"
exit $ret

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File switch of Package switch_sles_sle-hpc

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