$end_time = time();
} else {
if (is_numeric($_REQUEST['end_time'])) {
$end_time = $_REQUEST['end_time'];
} else {
$end_time = strtotime($_REQUEST['end_time']);
}
}
$event['end_time'] = $end_time;
}
$message = ganglia_events_add($event);
break;
case "edit":
$message = ganglia_event_modify($_REQUEST);
break;
case "remove":
case "delete":
if (!isset($_REQUEST['event_id'])) {
api_return_error("No event_id has been supplied.");
}
$message = ganglia_event_delete($_REQUEST['event_id']);
break;
case "list":
$message = ganglia_events_get();
break;
default:
api_return_error("No valid action specified");
break;
}
// end of switch ( $_REQUEST['action'] ) {
print json_encode($message);
print "<th>Cluster</th>";
print "<th>Host Regex</th>";
print "</tr>";
print "</thead>";
include_once $conf['gweb_root'] . "/functions.php";
include_once $conf['gweb_root'] . "/lib/common_api.php";
function start_time_cmp($ev1, $ev2)
{
$start1 = $ev1['start_time'];
$start2 = $ev2['start_time'];
if ($start1 == $start2) {
return 0;
}
return $start1 < $start2 ? 1 : -1;
}
$events_array = ganglia_events_get();
if (count($events_array) > 0) {
print "<tbody>";
usort($events_array, 'start_time_cmp');
foreach ($events_array as $id => $event) {
$description = isset($event['description']) ? $event['description'] : "";
$end_time = isset($event['end_time']) ? date("Y/m/d H:i", $event['end_time']) : "";
print "<tr><td>" . date("Y/m/d H:i", $event['start_time']) . "</td>" . "<td>" . $end_time . "</td>" . "<td>" . $event['summary'] . "</td>" . "<td>" . $description . "</td>" . "<td>" . $event['grid'] . "</td>" . "<td>" . $event['cluster'] . "</td>" . "<td>" . $event['host_regex'] . "</td>" . "</tr>";
}
print "</tbody>";
}
print "</table>";
}
?>
function ganglia_event_modify($event)
{
global $conf;
$event_found = 0;
$events_array = ganglia_events_get();
$new_events_array = array();
if (!isset($event['event_id'])) {
api_return_error("Event ID not found");
}
// isset event_id
foreach ($events_array as $k => $e) {
if ($e['event_id'] == $event['event_id']) {
$event_found = 1;
if (isset($event['start_time'])) {
if ($event['start_time'] == "now") {
$e['start_time'] = time();
} else {
if (is_numeric($event['start_time'])) {
$e['start_time'] = $event['start_time'];
} else {
$e['start_time'] = strtotime($event['start_time']);
}
}
}
// end isset start_time
foreach (array('cluster', 'description', 'summary', 'grid', 'host_regex') as $k) {
if (isset($event[$k])) {
$e[$k] = $event[$k];
}
}
// end foreach
if (isset($event['end_time'])) {
$e['end_time'] = $event['end_time'] == "now" ? time() : strtotime($event['end_time']);
}
// end isset end_time
}
// if event_id
// Add either original or modified event back in
$new_events_array[] = $e;
}
// foreach events array
if ($event_found == 1) {
$json = json_encode($new_events_array);
if (file_put_contents($conf['overlay_events_file'], $json) === FALSE) {
api_return_error("Can't write to file " . $conf['overlay_events_file'] . ". Perhaps permissions are wrong.");
} else {
$message = array("status" => "ok", "message" => "Event ID " . $event_id . " modified successfully");
}
}
// end if event_found
return $message;
}
function rrdgraph_cmd_add_overlay_events($command, $graph_start, $graph_end, $conf_overlay_events_color_map_file, $conf_overlay_events_shade_alpha, $conf_overlay_events_tick_alpha, $conf_overlay_events_line_type, $conf_graph_colors, $nagios_events)
{
$debug = FALSE;
// In order not to pollute the command line with all the possible VRULEs
// we need to find the time range for the graph
$graph_end_timestamp = get_timestamp($graph_end);
$graph_start_timestamp = get_timestamp($graph_start);
if ($graph_start_timestamp == NULL || $graph_end_timestamp == NULL) {
error_log("process_over_events: " . "Start/end timestamp(s) are NULL");
return $command;
}
// Get array of events for time range
$events_array = ganglia_events_get($graph_start_timestamp, $graph_end_timestamp);
if (empty($events_array)) {
return $command;
}
$event_color_json = file_get_contents($conf_overlay_events_color_map_file);
if ($debug) {
error_log("{$event_color_json}");
}
$event_color_array = json_decode($event_color_json, TRUE);
$initial_event_color_count = count($event_color_array);
$event_color_map = array();
foreach ($event_color_array as $event_color_entry) {
$event_color_map[$event_color_entry['summary']] = $event_color_entry['color'];
if ($debug) {
error_log("Adding event color to map: " . $event_color_entry['summary'] . ' ' . $event_color_entry['color']);
}
}
// Combine the nagios_events array, if it exists
if (count($nagios_events) > 0) {
// World's dumbest array merge:
foreach ($nagios_events as $ne) {
$events_array[] = $ne;
}
}
foreach ($events_array as $key => $row) {
$start_time[$key] = $row['start_time'];
}
// Sort events in reverse chronological order
array_multisort($start_time, SORT_DESC, $events_array);
// Default to dashed line unless events_line_type is set to solid
if ($conf_overlay_events_line_type == "solid") {
$overlay_events_line_type = "";
} else {
$overlay_events_line_type = ":dashes";
}
// Preserve original rrdtool command. That's the one we'll run regex checks
// against
$original_command = $command;
// Loop through all the events
$color_count = sizeof($conf_graph_colors);
$counter = 0;
$legend_items = array();
foreach ($events_array as $id => $event) {
$evt_start = $event['start_time'];
// Make sure it's a number
if (!is_numeric($evt_start)) {
continue;
}
unset($evt_end);
if (array_key_exists('end_time', $event) && is_numeric($event['end_time'])) {
$evt_end = $event['end_time'];
}
// If event start is less than start bail out of the loop since
// there is nothing more to do since events are sorted in reverse
// chronological order and these events are not gonna show up in
// the graph
$in_graph = $evt_start >= $graph_start_timestamp && $evt_start <= $graph_end_timestamp || isset($evt_end) && $evt_end >= $graph_start_timestamp && $evt_start <= $graph_end_timestamp;
if (!$in_graph) {
if ($debug) {
error_log("process_overlay_events: " . "Event [{$evt_start}] does not overlap with graph " . "[{$graph_start_timestamp}, {$graph_end_timestamp}]");
}
continue;
}
// Compute the part of the event to be displayed
$evt_start_in_graph_range = TRUE;
if ($evt_start < $graph_start_timestamp) {
$evt_start = $graph_start_timestamp;
$evt_start_in_graph_range = FALSE;
}
$evt_end_in_graph_range = TRUE;
if (isset($evt_end)) {
if ($evt_end > $graph_end_timestamp) {
$evt_end = $graph_end_timestamp;
$evt_end_in_graph_range = FALSE;
}
} else {
$evt_end_in_graph_range = FALSE;
}
if (preg_match("/" . $event["host_regex"] . "/", $original_command)) {
if ($evt_start >= $graph_start_timestamp) {
// Do we have the end timestamp.
if (!isset($graph_end_timestamp) || $evt_start < $graph_end_timestamp) {
// This is a potential vector since this gets added to the
// command line_width TODO: Look over sanitize
$summary = isset($event['summary']) ? sanitize($event['summary']) : "";
// We need to keep track of summaries so that if we have identical
// summaries e.g. Deploy we can use the same color
if (array_key_exists($summary, $event_color_map)) {
$color = $event_color_map[$summary];
if ($debug) {
error_log("process_overlay_events: " . "Found existing color: {$summary} {$color}");
}
// Reset summary to empty string if it is already present in
// the legend
if (array_key_exists($summary, $legend_items)) {
$summary = "";
} else {
$legend_items[$summary] = TRUE;
}
} else {
// Haven't seen this summary before. Assign it a color
$color_index = count($event_color_map) % $color_count;
$color = $conf_graph_colors[$color_index];
$event_color_map[$summary] = $color;
$event_color_array[] = array('summary' => $summary, 'color' => $color);
if ($debug) {
error_log("process_overlay_events: " . "Adding new event color: {$summary} {$color}");
}
}
if (isset($evt_end)) {
// Attempt to draw a shaded area between start and end points.
// Force solid line for ranges
$overlay_events_line_type = "";
$start_vrule = '';
if ($evt_start_in_graph_range) {
$start_vrule = " VRULE:" . $evt_start . "#{$color}" . $conf_overlay_events_tick_alpha . ":\"" . $summary . "\"" . $overlay_events_line_type;
}
$end_vrule = '';
if ($evt_end_in_graph_range) {
$end_vrule = " VRULE:" . $evt_end . "#{$color}" . $conf_overlay_events_tick_alpha . ':""' . $overlay_events_line_type;
}
// We need a dummpy DEF statement, because RRDtool is too stupid
// to plot graphs without a DEF statement.
// We can't count on a static name, so we have to "find" one.
if (preg_match("/DEF:['\"]?(\\w+)['\"]?=/", $command, $matches)) {
// stupid rrdtool limitation.
$area_cdef = " CDEF:area_{$counter}={$matches['1']},POP," . "TIME,{$evt_start},GT,1,UNKN,IF,TIME,{$evt_end},LT,1,UNKN,IF,+";
$area_shade = $color . $conf_overlay_events_shade_alpha;
$area = " TICK:area_{$counter}#{$area_shade}:1";
if (!$evt_start_in_graph_range) {
$area .= ':"' . $summary . '"';
}
$command .= "{$area_cdef} {$area} {$start_vrule} {$end_vrule}";
} else {
error_log("No DEF statements found in \$command?!");
}
} else {
$command .= " VRULE:" . $evt_start . "#" . $color . ":\"" . $summary . "\"" . $overlay_events_line_type;
}
$counter++;
} else {
if ($debug) {
error_log("process_overlay_events: " . "Event start [{$evt_start}] >= graph end " . "[{$graph_end_timestamp}]");
}
}
} else {
if ($debug) {
error_log("process_overlay_events: " . "Event start [{$evt_start}] < graph start " . "[{$graph_start_timestamp}]");
}
}
} else {
// error_log("Doesn't match host_regex");
}
}
// end of foreach ( $events_array ...
unset($events_array);
if (count($event_color_array) > $initial_event_color_count) {
$event_color_json = json_encode($event_color_array);
file_put_contents($conf_overlay_events_color_map_file, $event_color_json);
}
return $command;
}
if (is_numeric($rrdtool_graph['end'])) {
$end = $rrdtool_graph['end'];
}
}
if (preg_match("/\\-([0-9]*)(s)/", $rrdtool_graph['start'], $out)) {
$start = time() - $out[1];
} else {
if (is_numeric($rrdtool_graph['start'])) {
$start = $rrdtool_graph['start'];
} else {
// If it's not
$start = time() - 157680000;
}
}
// Get array of events for time range
$events_array = ganglia_events_get($start, $end);
if (!empty($events_array)) {
$event_color_json = file_get_contents($conf['overlay_events_color_map_file']);
if ($debug) {
error_log("{$event_color_json}");
}
$event_color_array = json_decode($event_color_json, TRUE);
$initial_event_color_count = count($event_color_array);
$event_color_map = array();
foreach ($event_color_array as $event_color_entry) {
$event_color_map[$event_color_entry['summary']] = $event_color_entry['color'];
if ($debug) {
error_log("Adding event color to map: " . $event_color_entry['summary'] . ' ' . $event_color_entry['color']);
}
}
$color_count = sizeof($conf['graph_colors']);
<?php
include_once "./functions.php";
$event_array = ganglia_events_get(intval($_GET['start']), intval($_GET['end']));
header("Content-type: application/json");
print json_encode($event_array);
exit(0);
