supports for charts.d scripts and plugins.d plugins

1 files changed, 12 insertions, 43 deletions

diff --git a/charts.d/example.chart.sh b/charts.d/example.chart.sh
index 60607fd53d..cc0fee1128 100755
--- a/charts.d/example.chart.sh
+++ b/charts.d/example.chart.sh
@@ -1,52 +1,29 @@
 #!/bin/sh
 
-# report our PID back to netdata
-# this is required for netdata to kill this process when it exits
-echo "MYPID $$"
+example_check() {
+	# this should return:
+	#  - 0 to enable the chart
+	#  - 1 to disable the chart
 
-# default sleep function
-loopsleepms() {
-	sleep $1
+	return 0
 }
-# if found and included, this file overwrites loopsleepms()
-# with a high resolution timer function for precise looping.
-. "`dirname $0`/loopsleepms.sh.inc"
-
-# netdata passes the requested update frequency as the first argument
-update_every=$1
-update_every=$(( update_every + 1 - 1))	# makes sure it is a number
-test $update_every -eq 0 && update_every=1 # if it is zero, make it 1
-
 
+example_create() {
 # create the chart with 3 dimensions
 cat <<EOF
-CHART example.load '' "System Load Average" "load" load load line 500 $update_every
-DIMENSION load1 '1 min' absolute 1 100
-DIMENSION load5 '5 mins' absolute 1 100
-DIMENSION load15 '15 mins' absolute 1 100
-
 CHART example.random '' "Random Numbers Stacked Chart" "% of random numbers" random random stacked 5000 $update_every
 DIMENSION random1 '' percentage-of-absolute-row 1 1
 DIMENSION random2 '' percentage-of-absolute-row 1 1
 DIMENSION random3 '' percentage-of-absolute-row 1 1
 EOF
 
-# You can create more charts if you like.
-# Just add more chart definitions.
+	return 0
+}
 
-# work forever
-while [ 1 ]
-do
+example_update() {
 	# do all the work to collect / calculate the values
 	# for each dimension
-
-	# here we parse the system average load
-	# it is decimal (with 2 decimal digits), so we remove the dot and
-	# at the definition we have divisor = 100, to have the graph show the right value
-	loadavg="`cat /proc/loadavg | sed -e "s/\.//g"`"
-	load1=`echo $loadavg | cut -d ' ' -f 1`
-	load5=`echo $loadavg | cut -d ' ' -f 2`
-	load15=`echo $loadavg | cut -d ' ' -f 3`
+	# remember: KEEP IT SIMPLE AND SHORT
 
 	value1=$RANDOM
 	value2=$RANDOM
@@ -54,12 +31,6 @@ do
 
 	# write the result of the work.
 	cat <<VALUESEOF
-BEGIN example.load
-SET load1 = $load1
-SET load5 = $load5
-SET load15 = $load15
-END
-
 BEGIN example.random
 SET random1 = $value1
 SET random2 = $value2
@@ -67,8 +38,6 @@ SET random3 = $value3
 END
 VALUESEOF
 
-	# if you have more charts, add BEGIN->END statements here
+	return 0
+}
 
-	# wait the time you are required to
-	loopsleepms $update_every
-done