move watermark to variable

cores.sh

@@ -17,6 +17,7 @@ HOST="$1"
 COMMUNITY="public"
 RRDFILES="/var/rrdtool"
 IMAGES="/var/www/htdocs"
+WATERMARK="OpenBSD Amsterdam - https://obsda.ms"
 RRDTOOL="/usr/local/bin/rrdtool"
 CPUINFO="/tmp/${HOST}-cores.txt"
 UPTIME=$(cat /tmp/${HOST}-uptime.txt)
@@ -53,7 +54,7 @@ ${RRDTOOL} graph ${IMAGES}/${HOST}-cores.png \
 	--start -432000 \
 	--title "${HOST} - CPU" \
 	--vertical-label "% CPU Used" \
-	--watermark "OpenBSD Amsterdam - https://obsda.ms" \
+	--watermark "${WATERMARK}" \
 	DEF:CORE0=${RRDFILES}/${HOST}-cores.rrd:ds0:AVERAGE \
 	DEF:CORE1=${RRDFILES}/${HOST}-cores.rrd:ds1:AVERAGE \
 	DEF:CORE2=${RRDFILES}/${HOST}-cores.rrd:ds2:AVERAGE \

cpu_load.sh

@@ -17,6 +17,7 @@ HOST="$1"
 COMMUNITY="public"
 RRDFILES="/var/rrdtool"
 IMAGES="/var/www/htdocs"
+WATERMARK="OpenBSD Amsterdam - https://obsda.ms"
 RRDTOOL="/usr/local/bin/rrdtool"
 CPUINFO="/tmp/${HOST}-cpu.txt"
 UPTIME=$(cat /tmp/${HOST}-uptime.txt)
@@ -42,7 +43,7 @@ ${RRDTOOL} graph ${IMAGES}/${HOST}-cpu.png \
 	--start -43200 \
 	--title "${HOST} - CPU" \
 	--vertical-label "% CPU Used" \
-	--watermark "OpenBSD Amsterdam - https://obsda.ms" \
+	--watermark "${WATERMARK}" \
 	DEF:CPU=${RRDFILES}/${HOST}-cpu.rrd:ds0:AVERAGE \
 	AREA:CPU#FFCC00 \
 	LINE2:CPU#CC0033:"CPU" \

interface.sh

@@ -19,6 +19,7 @@ INTERFACE="$2"
 COMMUNITY="public"
 RRDFILES="/var/rrdtool"
 IMAGES="/var/www/htdocs"
+WATERMARK="OpenBSD Amsterdam - https://obsda.ms"
 RRDTOOL="/usr/local/bin/rrdtool"
 UPTIME=$(cat /tmp/${HOST}-uptime.txt)
 NOW=$(date "+%Y-%m-%d %H:%M:%S %Z" | sed 's/:/\\:/g')
@@ -50,7 +51,7 @@ ${RRDTOOL} graph ${IMAGES}/${HOST}-${INTERFACE}.png \
 	--start -43200 \
 	--title "${HOST} - ${DESCR}" \
 	--vertical-label "Bits per Second" \
-	--watermark "OpenBSD Amsterdam - https://obsda.ms" \
+	--watermark "${WATERMARK}" \
 	DEF:IN=${RRDFILES}/${HOST}-${INTERFACE}.rrd:ds0:AVERAGE \
 	DEF:OUT=${RRDFILES}/${HOST}-${INTERFACE}.rrd:ds1:AVERAGE \
 	CDEF:IN_CDEF="IN,8,*" \