function rrdtool_graph_merge_args_from_json($rrdtool_graph, $graph_config, $context, $size, $conf_rrds, $conf_graphreport_stats, $conf_graphreport_stat_items)
{
$title = sanitize($graph_config['title']);
$rrdtool_graph['title'] = $title;
// If vertical label is empty or non-existent set it to space otherwise
// rrdtool will fail
if (!isset($graph_config['vertical_label']) || $graph_config['vertical_label'] == "") {
$rrdtool_graph['vertical-label'] = " ";
} else {
$rrdtool_graph['vertical-label'] = sanitize($graph_config['vertical_label']);
}
$rrdtool_graph['lower-limit'] = '0';
if (isset($graph_config['height_adjustment'])) {
$rrdtool_graph['height'] += $size == 'medium' ? $graph_config['height_adjustment'] : 0;
} else {
$rrdtool_graph['height'] += $size == 'medium' ? 28 : 0;
}
// find longest label length, so we pad the others accordingly to get
// consistent column alignment
$max_label_length = 0;
foreach ($graph_config['series'] as $series) {
$max_label_length = max(strlen($series['label']), $max_label_length);
}
$seriesdef = '';
$cdef = '';
$graphdef = '';
$stack_counter = 0;
$total_ids = array();
// Loop through all the graph series
foreach ($graph_config['series'] as $series_id => $series) {
// ignore series if context is not defined in json template
if (isset($series['contexts']) and !in_array($context, $series['contexts'])) {
continue;
}
$rrd_dir = $conf_rrds . "/" . $series['clustername'] . "/" . $series['hostname'];
$metric = sanitize($series['metric']);
$metric_file = $rrd_dir . "/" . $metric . ".rrd";
// Make sure metric file exists. Otherwise we'll get a broken graph
if (is_file($metric_file)) {
// Need this when defining graphs that may use same metric names
$unique_id = "a" . $series_id;
$total_ids[] = $unique_id;
// use custom DS defined in json template if it's
// defined (default = 'sum')
$DS = isset($series['ds']) ? sanitize($series['ds']) : 'sum';
$seriesdef .= " DEF:'{$unique_id}'='{$metric_file}':'{$DS}':AVERAGE ";
if (isset($graph_config['scale'])) {
$cdef .= " CDEF:'s{$unique_id}'={$unique_id},{$graph_config['scale']},* ";
}
if (isset($graph_config['percent']) && $graph_config['percent'] == '1') {
$cdef .= " CDEF:'p{$unique_id}'={$unique_id},total,/,100,* ";
}
// By default graph is a line graph
$series_type = isset($series['type']) ? $series['type'] : "line";
list($graphdef, $stack_counter) = graphdef_add_series($graphdef, $series, $series_type, $graph_config['percent'], $graph_config['scale'], $stack_counter, $unique_id, $max_label_length, $conf_graphreport_stats, $conf_graphreport_stat_items);
}
// end of if (is_file($metric_file))
}
$show_total = isset($graph_config['show_total']) && $graph_config['show_total'] == 1;
if ($show_total || isset($graph_config['percent']) && $graph_config['percent'] == '1') {
$cdef = add_total_to_cdef($cdef, $total_ids, $graph_config['scale']);
if ($show_total) {
$cdef .= " LINE1:'total'#000000:'Total' ";
if ($conf_graphreport_stats) {
$cdef .= legendEntry('total', $conf_graphreport_stat_items);
}
}
}
// If we end up with the empty series it means that no RRD files matched.
// This can happen if we are trying to create a report and metrics for
// this host were not collected. If that happens we should create an
// empty graph
if ($seriesdef == "") {
$rrdtool_graph['series'] = 'HRULE:1#FFCC33:"No matching metrics detected or RRDs not readable"';
} else {
$rrdtool_graph['series'] = $seriesdef . ' ' . $cdef . ' ' . $graphdef;
}
return $rrdtool_graph;
}
function build_rrdtool_args_from_json(&$rrdtool_graph, $graph_config)
{
global $context, $hostname, $range, $rrd_dir, $size, $conf;
if ($conf['strip_domainname']) {
$hostname = strip_domainname($hostname);
}
$title = sanitize($graph_config['title']);
$rrdtool_graph['title'] = $title;
// If vertical label is empty or non-existent set it to space otherwise
// rrdtool will fail
if (!isset($graph_config['vertical_label']) || $graph_config['vertical_label'] == "") {
$rrdtool_graph['vertical-label'] = " ";
} else {
$rrdtool_graph['vertical-label'] = sanitize($graph_config['vertical_label']);
}
$rrdtool_graph['lower-limit'] = '0';
if (isset($graph_config['height_adjustment'])) {
$rrdtool_graph['height'] += $size == 'medium' ? $graph_config['height_adjustment'] : 0;
} else {
$rrdtool_graph['height'] += $size == 'medium' ? 28 : 0;
}
// find longest label length, so we pad the others accordingly to get
// consistent column alignment
$max_label_length = 0;
foreach ($graph_config['series'] as $item) {
$max_label_length = max(strlen($item['label']), $max_label_length);
}
$series = '';
$stack_counter = 0;
// Available line types
$line_widths = array("1", "2", "3");
// Loop through all the graph items
foreach ($graph_config['series'] as $index => $item) {
// ignore item if context is not defined in json template
if (isset($item['contexts']) and in_array($context, $item['contexts']) == false) {
continue;
}
$rrd_dir = $conf['rrds'] . "/" . $item['clustername'] . "/" . $item['hostname'];
$metric = sanitize($item['metric']);
$metric_file = $rrd_dir . "/" . $metric . ".rrd";
// Make sure metric file exists. Otherwise we'll get a broken graph
if (is_file($metric_file)) {
# Need this when defining graphs that may use same metric names
$unique_id = "a" . $index;
$label = str_pad(sanitize($item['label']), $max_label_length);
// use custom DS defined in json template if it's
// defined (default = 'sum')
$DS = "sum";
if (isset($item['ds'])) {
$DS = sanitize($item['ds']);
}
$series .= " DEF:'{$unique_id}'='{$metric_file}':'{$DS}':AVERAGE ";
// By default graph is a line graph
isset($item['type']) ? $item_type = $item['type'] : ($item_type = "line");
// TODO sanitize color
switch ($item_type) {
case "line":
// Make sure it's a recognized line type
isset($item['line_width']) && in_array($item['line_width'], $line_widths) ? $line_width = $item['line_width'] : ($line_width = "1");
$series .= "LINE" . $line_width . ":'{$unique_id}'#{$item['color']}:'{$label}' ";
break;
case "stack":
// First element in a stack has to be AREA
if ($stack_counter == 0) {
$series .= "AREA";
$stack_counter++;
} else {
$series .= "STACK";
}
$series .= ":'{$unique_id}'#{$item['color']}:'{$label}' ";
break;
}
// end of switch ( $item_type )
if ($conf['graphreport_stats']) {
$series .= legendEntry($unique_id, $conf['graphreport_stat_items']);
}
}
// end of if ( is_file($metric_file) ) {
}
// end of foreach( $graph_config[ 'series' ] as $index => $item )
// If we end up with the empty series it means that no RRD files matched.
// This can happen if we are trying to create a report and metrics for
// this host were not collected. If that happens we should create an
// empty graph
if ($series == "") {
$rrdtool_graph['series'] = 'HRULE:1#FFCC33:"No matching metrics detected"';
} else {
$rrdtool_graph['series'] = $series;
}
return $rrdtool_graph;
}
function build_rrdtool_args_from_json(&$rrdtool_graph, $graph_config)
{
global $context, $hostname, $range, $rrd_dir, $size, $conf;
if ($conf['strip_domainname']) {
$hostname = strip_domainname($hostname);
}
$title = sanitize($graph_config['title']);
$rrdtool_graph['title'] = $title;
// If vertical label is empty or non-existent set it to space otherwise
// rrdtool will fail
if (!isset($graph_config['vertical_label']) || $graph_config['vertical_label'] == "") {
$rrdtool_graph['vertical-label'] = " ";
} else {
$rrdtool_graph['vertical-label'] = sanitize($graph_config['vertical_label']);
}
$rrdtool_graph['lower-limit'] = '0';
if (isset($graph_config['height_adjustment'])) {
$rrdtool_graph['height'] += $size == 'medium' ? $graph_config['height_adjustment'] : 0;
} else {
$rrdtool_graph['height'] += $size == 'medium' ? 28 : 0;
}
// find longest label length, so we pad the others accordingly to get
// consistent column alignment
$max_label_length = 0;
foreach ($graph_config['series'] as $item) {
$max_label_length = max(strlen($item['label']), $max_label_length);
}
$series = '';
$cdef = '';
$graphdef = '';
$stack_counter = 0;
// Available line types
$line_widths = array("1", "2", "3");
$total_ids = array();
// Loop through all the graph items
foreach ($graph_config['series'] as $index => $item) {
// ignore item if context is not defined in json template
if (isset($item['contexts']) and in_array($context, $item['contexts']) == false) {
continue;
}
$rrd_dir = $conf['rrds'] . "/" . $item['clustername'] . "/" . $item['hostname'];
$metric = sanitize($item['metric']);
$metric_file = $rrd_dir . "/" . $metric . ".rrd";
// Make sure metric file exists. Otherwise we'll get a broken graph
if (is_file($metric_file)) {
// Need this when defining graphs that may use same metric names
$unique_id = "a" . $index;
$total_ids[] = $unique_id;
# Pad the label with spaces
$label = str_pad(sanitize($item['label']), $max_label_length);
// use custom DS defined in json template if it's
// defined (default = 'sum')
$DS = "sum";
if (isset($item['ds'])) {
$DS = sanitize($item['ds']);
}
$series .= " DEF:'{$unique_id}'='{$metric_file}':'{$DS}':AVERAGE ";
if (isset($graph_config['scale'])) {
$cdef .= " CDEF:'s{$unique_id}'={$unique_id},{$graph_config['scale']},* ";
}
if (isset($graph_config['percent']) && $graph_config['percent'] == '1') {
$cdef .= " CDEF:'p{$unique_id}'={$unique_id},total,/,100,* ";
}
// By default graph is a line graph
isset($item['type']) ? $item_type = $item['type'] : ($item_type = "line");
// TODO sanitize color
switch ($item_type) {
case "line":
// Make sure it's a recognized line type
isset($item['line_width']) && in_array($item['line_width'], $line_widths) ? $line_width = $item['line_width'] : ($line_width = "1");
$graphdef .= "LINE" . $line_width . ":'{$unique_id}'#{$item['color']}:'{$label}' ";
break;
case "stack":
case "percent":
// First element in a stack has to be AREA
if ($stack_counter == 0) {
$graphdef .= "AREA";
$stack_counter++;
} else {
$graphdef .= "STACK";
}
if (isset($graph_config['percent']) && $graph_config['percent'] == '1') {
$graphdef .= ":'p{$unique_id}'#{$item['color']}:'{$label}' ";
} else {
if (isset($graph_config['scale'])) {
$graphdef .= ":'s{$unique_id}'#{$item['color']}:'{$label}' ";
} else {
$graphdef .= ":'{$unique_id}'#{$item['color']}:'{$label}' ";
}
}
break;
// Percentile lines
// Percentile lines
case "percentile":
$percentile = isset($item['percentile']) ? floatval($item['percentile']) : 95;
$graphdef .= "VDEF:t{$unique_id}={$unique_id},{$percentile},PERCENT ";
isset($item['line_width']) && in_array($item['line_width'], $line_widths) ? $line_width = $item['line_width'] : ($line_width = "1");
$graphdef .= "LINE" . $line_width . ":'t{$unique_id}'#{$item['color']}:'{$label}':dashes ";
break;
case "area":
$graphdef .= "AREA";
$graphdef .= ":'{$unique_id}'#{$item['color']}:'{$label}' ";
break;
}
// end of switch ( $item_type )
if ($conf['graphreport_stats']) {
if (isset($graph_config['percent']) && $graph_config['percent'] == '1') {
$graphdef .= legendEntry('p' . $unique_id, $conf['graphreport_stat_items']);
} else {
if (isset($graph_config['scale'])) {
$graphdef .= legendEntry('s' . $unique_id, $conf['graphreport_stat_items']);
} else {
$graphdef .= legendEntry($unique_id, $conf['graphreport_stat_items']);
}
}
}
}
// end of if ( is_file($metric_file) ) {
}
// end of foreach( $graph_config[ 'series' ] as $index => $item )
// Percentage calculation for cdefs, if required
//if (isset($graph_config['percent']) && $graph_config['percent'] == '1') {
$total = " CDEF:'total'=";
if (count($total_ids) == 0) {
// Handle nothing gracefully, do nothing
} else {
if (count($total_ids) == 1) {
// Concat just that id, leave it at that (100%)
$total .= $total_ids[0];
if (isset($graph_config['scale'])) {
$total .= ",{$graph_config['scale']},*";
}
$cdef = $total . ' ' . $cdef;
} else {
$total .= $total_ids[0];
for ($i = 1; $i < count($total_ids); $i++) {
$total .= ',' . $total_ids[$i] . ',ADDNAN';
}
if (isset($graph_config['scale'])) {
$total .= ",{$graph_config['scale']},*";
}
// Prepend total calculation
$cdef = $total . ', ' . $cdef;
}
}
//} // if graph_config['percent']
if (isset($graph_config['show_total']) && $graph_config['show_total'] == 1) {
$cdef .= " LINE1:'total'#000000:'Total' " . legendEntry('total', $conf['graphreport_stat_items']);
}
// If we end up with the empty series it means that no RRD files matched.
// This can happen if we are trying to create a report and metrics for
// this host were not collected. If that happens we should create an
// empty graph
if ($series == "") {
$rrdtool_graph['series'] = 'HRULE:1#FFCC33:"No matching metrics detected"';
} else {
$rrdtool_graph['series'] = $series . ' ' . $cdef . ' ' . $graphdef;
}
return $rrdtool_graph;
}