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https://github.com/librenms/librenms.git
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b827e2bbbd
* add sagan instance fetch function * add sagan discovery * add sagan poller * add sagan graphs * add graph sources * add sagan to apps page * remove alert * more app graph work * polling fix * re-order keys and add alert key * correct field key usage * add alert and fix a missing unit * more unit fixes * add alert status * add alert rules for sagan * fix a missing : after S while I am here in the json stat tool helper... also add tests * now add the tests * add docs * point php-cs-fixer at two files * remove-unneeded sagan instance fetch function * convert to use app_data * style fix * apply bennet-esyoil's suggestions here as well * update for the new app model * convert poller to the new method * convert the sagan device app page * convert sagan * doc cleanup
102 lines
2.9 KiB
PHP
102 lines
2.9 KiB
PHP
<?php
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use LibreNMS\Exceptions\JsonAppException;
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use LibreNMS\RRD\RrdDefinition;
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$name = 'sagan';
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if (! is_array($app_data['instances'])) {
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$app_data['instances'] = [];
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}
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try {
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$sagan = json_app_get($device, 'sagan-stats');
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} catch (JsonAppException $e) {
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echo PHP_EOL . $name . ':' . $e->getCode() . ':' . $e->getMessage() . PHP_EOL;
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update_application($app, $e->getCode() . ':' . $e->getMessage(), []); // Set empty metrics and error message
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return;
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}
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// grab the alert here as it is the global one
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$metrics = ['alert'=>$sagan['alert']];
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$rrd_def = RrdDefinition::make()
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->addDataset('after', 'GAUGE', 0)
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->addDataset('alert', 'GAUGE', 0)
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->addDataset('bytes', 'GAUGE', 0)
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->addDataset('bytes_ignored', 'GAUGE', 0)
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->addDataset('drop', 'GAUGE', 0)
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->addDataset('drop_percent', 'GAUGE', 0)
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->addDataset('eps', 'GAUGE', 0)
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->addDataset('f_drop_percent', 'GAUGE', 0)
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->addDataset('f_dropped', 'GAUGE', 0)
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->addDataset('f_total', 'GAUGE', 0)
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->addDataset('ignore', 'GAUGE', 0)
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->addDataset('match', 'GAUGE', 0)
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->addDataset('max_bytes_log_line', 'GAUGE', 0)
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->addDataset('threshold', 'GAUGE', 0)
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->addDataset('total', 'GAUGE', 0)
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->addDataset('uptime', 'GAUGE', 0);
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// keys to add to the RRD field
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$field_keys = [
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'after',
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'alert',
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'bytes',
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'bytes_ignored',
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'drop',
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'drop_percent',
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'eps',
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'f_drop_percent',
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'f_dropped',
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'f_total',
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'ignore',
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'match',
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'max_bytes_log_line',
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'threshold',
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'total',
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'uptime',
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];
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// process each instance
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$instances = [];
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foreach ($sagan['data'] as $instance => $stats) {
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if ($instance == '.total') {
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$rrd_name = ['app', $name, $app->app_id];
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} else {
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$rrd_name = ['app', $name, $app->app_id, $instance];
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$instances[] = $instance;
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}
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$fields = [];
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foreach ($field_keys as $field_key) {
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$metrics[$instance . '_' . $field_key] = $stats[$field_key];
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$fields[$field_key] = $stats[$field_key];
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}
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$tags = ['name' => $name, 'app_id' => $app->app_id, 'rrd_def' => $rrd_def, 'rrd_name' => $rrd_name];
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data_update($device, 'app', $tags, $fields);
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}
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$old_instances = $app->app['instances'];
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//check for added instances
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$added_instances = array_values(array_diff($instances, $old_instances));
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//check for removed instances
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$removed_instances = array_values(array_diff($old_instances, $instances));
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// if we have any instance changes, log it
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if (sizeof($added_instances) > 0 or sizeof($removed_instances) > 0) {
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$app->data = ['instances' => $instances];
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$log_message = 'Sagan Instance Change:';
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$log_message .= count($added_instances) > 0 ? ' Added ' . json_encode($added_instances) : '';
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$log_message .= count($removed_instances) > 0 ? ' Removed ' . json_encode($added_instances) : '';
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log_event($log_message, $device, 'application');
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}
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//
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// all done so update the app metrics
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//
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update_application($app, 'OK', $metrics);
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