Attached is a patch to let the Grid and Cluster Load graphs lock like at the
old interface.
Add possibility to define a custom data source in the json template with DS
which will get used instead of the default 'sum'. To handle situations where
the data source is not available in all rrds define the context.
For example the number of Nodes:
data source 'num' only available in the summary rrds of 'cpu_num'
definition in the json template looks like:
{ "metric": "cpu_num", "color": "00FF00", "label": "Nodes", "line_width": "2",
"type": "line", "DS": "num", "context":
{ "cluster": true, "meta": true } }
The metric will get ignored at the host context but not at the meta and
cluster context.
Markus
--
Markus Köberl
Graz University of Technology
Signal Processing and Speech Communication Laboratory
E-mail: markus.koeb...@tugraz.at
Index: graph.d/load_report.json
===================================================================
--- graph.d/load_report.json (revision 2574)
+++ graph.d/load_report.json (working copy)
@@ -5,6 +5,8 @@
"vertical_label" : "Loads/Procs",
"series" : [
{ "metric": "load_one", "color": "BBBBBB", "label": "1-min", "type": "stack" },
+ { "metric": "cpu_num", "color": "00FF00", "label": "Nodes", "line_width": "2", "type": "line", "DS": "num", "context": { "cluster": true, "meta": true } },
+ { "metric": "cpu_num", "color": "FF0000", "label": "CPUs", "line_width": "2", "type": "line" },
{ "metric": "proc_run", "color": "2030F4", "label": "Procs", "line_width": "2", "type": "line" }
]
}
Index: functions.php
===================================================================
--- functions.php (revision 2574)
+++ functions.php (working copy)
@@ -870,7 +870,10 @@
// Loop through all the graph items
foreach( $graph_config[ 'series' ] as $index => $item ) {
-
+ // ignore item if context is not defined in json template
+ if ( $item[ 'context' ] and $item[ 'context' ][ $context ] == false )
+ continue;
+
$rrd_dir = $conf['rrds'] . "/" . $item['clustername'] . "/" . $item['hostname'];
$metric = sanitize( $item[ 'metric' ] );
@@ -884,8 +887,14 @@
$unique_id = "a" . $index;
$label = str_pad( sanitize( $item[ 'label' ] ), $max_label_length );
- $series .= " DEF:'$unique_id'='$metric_file':'sum':AVERAGE ";
-
+
+ // use custom DS defined in json template (default = 'sum')
+ $DS = sanitize( $item[ 'DS' ] );
+ if($DS!='')
+ $series .= " DEF:'$unique_id'='$metric_file':'$DS':AVERAGE ";
+ else
+ $series .= " DEF:'$unique_id'='$metric_file':'sum':AVERAGE ";
+
// By default graph is a line graph
isset( $item['type']) ? $item_type = $item['type'] : $item_type = "line";
------------------------------------------------------------------------------
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