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|
#!/bin/sh
die()
{
echo "$1" >&2
exit "${2:-1}"
}
[ -n "$FAKE_LVS_STATE_DIR" ] || die "FAKE_LVS_STATE_DIR not set"
service_address=""
scheduling_method="wlc"
persistent_timeout=""
real_server=""
forwarding_method="Route"
set_service_address()
{
[ -z "$service_address" ] ||
die "multiple 'service-address' options specified" 2
case "$2" in
*:*) service_address="${1} ${2}" ;;
*) service_address="${1} ${2}:0" ;;
esac
}
set_real_server()
{
[ -z "$real_server" ] ||
die "multiple 'real-server' options specified" 2
case "$1" in
*\]:*) real_server="${1}" ;;
*\]) real_server="${1}:0" ;;
*:*) real_server="${1}" ;;
*) real_server="${1}:0" ;;
esac
case "$real_server" in
127.0.0.1:* | \[::1\]:*) forwarding_method="Local" ;;
esac
}
case "$1" in
-A)
shift
while [ -n "$1" ]; do
case "$1" in
-t)
set_service_address "TCP" "$2"
shift 2
;;
-u)
set_service_address "UDP" "$2"
shift 2
;;
-s)
scheduling_method="$2"
shift 2
;;
-p)
persistent_timeout="persistent $2"
shift 2
;;
*) die "Unsupported -A option $1" ;;
esac
done
[ -n "$service_address" ] ||
die "You need to supply the 'service-address' option for the 'add-service' command" 2
d="${FAKE_LVS_STATE_DIR}/${service_address}"
mkdir "$d" 2>/dev/null || die "Service already exists" 255
t="${scheduling_method}${persistent_timeout:+ }${persistent_timeout}"
echo "$t" >"${d}/.info"
;;
-D)
shift
while [ -n "$1" ]; do
case "$1" in
-t)
set_service_address "TCP" "$2"
shift 2
;;
-u)
set_service_address "UDP" "$2"
shift 2
;;
*) die "Unsupported -D option $1" ;;
esac
done
[ -n "$service_address" ] ||
die "You need to supply the 'service-address' option for the 'delete-service' command" 2
d="${FAKE_LVS_STATE_DIR}/${service_address}"
rm -f "${d}/"*
rm -f "${d}/.info"
rmdir "$d" 2>/dev/null || die "No such service" 255
;;
-a)
shift
while [ -n "$1" ]; do
case "$1" in
-t)
set_service_address "TCP" "$2"
shift 2
;;
-u)
set_service_address "UDP" "$2"
shift 2
;;
-r)
set_real_server "$2"
shift 2
;;
-g)
forwarding_method="Route"
shift 1
;;
*) die "Unsupported -A option $1" ;;
esac
done
[ -n "$service_address" ] ||
die "You need to supply the 'service-address' option for the 'delete-service' command" 2
d="${FAKE_LVS_STATE_DIR}/${service_address}"
[ -d "$d" ] || die "Service not defined" 255
[ -n "$real_server" ] ||
die "You need to supply the 'real-server' option for the 'add-server' command" 2
f="${d}/${real_server}"
echo "$forwarding_method" >"$f"
;;
-l)
cat <<EOF
IP Virtual Server version 1.2.1 (size=4096)
Prot LocalAddress:Port Scheduler Flags
-> RemoteAddress:Port Forward Weight ActiveConn InActConn
EOF
cd "$FAKE_LVS_STATE_DIR" || exit 0
(
for d in *; do
[ -d "$d" ] || continue
printf '%s ' "$d"
cat "${d}/.info"
for f in "${d}/"*; do
[ -f "$f" ] || continue
read -r forwarding_method <"$f"
printf " -> %-28s %-7s %-6s %-10s %-10s\n" \
"${f##*/}" "$forwarding_method" 1 0 0
done
done
)
;;
*)
die "Unknown option $1"
;;
esac
exit 0
|
