111 lines
4.1 KiB
JavaScript
111 lines
4.1 KiB
JavaScript
var express = require('express');
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var router = express.Router();
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router.get('/', function (req, res, next) {
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var json_file = require('jsonfile');
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var glass_config = json_file.readFileSync('config/glass_config.json');
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const execSync = require('child_process').execSync;
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let output = execSync('./bin/dhcpd-pools -c ' + glass_config.config_file + ' -l ' + glass_config.leases_file + ' -f j -A -s e');
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var dhcp_data = JSON.parse(output);
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for (var i = 0; i < dhcp_data['shared-networks'].length; i++) {
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utilization = round(parseFloat(dhcp_data['shared-networks'][i].used / dhcp_data['shared-networks'][i].defined) * 100, 2);
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if (isNaN(utilization))
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utilization = 0;
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dhcp_data['shared-networks'][i].utilization = utilization;
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}
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dhcp_data['shared-networks'].sort(function (a, b) {
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return parseFloat(b.utilization) - parseFloat(a.utilization);
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});
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let shared_networks = '';
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for (var i = 0; i < dhcp_data['shared-networks'].length; i++) {
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utilization = dhcp_data['shared-networks'][i].utilization;
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table_row = '';
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table_row = table_row + '<td><b>' + dhcp_data['shared-networks'][i].location + '</b></td>';
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table_row = table_row + '<td>' + dhcp_data['shared-networks'][i].used.toLocaleString('en') + ' (' + utilization + '%)</td>';
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table_row = table_row + '<td class="hide_col">' + dhcp_data['shared-networks'][i].defined.toLocaleString('en') + '</td>';
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table_row = table_row + '<td class="hide_col">' + dhcp_data['shared-networks'][i].free.toLocaleString('en') + '</td>';
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utilization_color = 'green';
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if (utilization >= 80)
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utilization_color = 'orange';
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if (utilization >= 90)
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utilization_color = 'red';
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table_row = table_row + '<td><div class="progress">' +
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'<div class="progress-bar bg-' + utilization_color + '" role="progressbar" aria-valuenow="62" aria-valuemin="0" aria-valuemax="100" style="width: ' + utilization + '%"></div>' +
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'</div></td>';
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shared_networks = shared_networks + '<tr>' + table_row + '</tr>';
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}
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/* Display All Subnets */
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for (var i = 0; i < dhcp_data.subnets.length; i++) {
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utilization = round(parseFloat(dhcp_data.subnets[i].used / dhcp_data.subnets[i].defined) * 100, 2);
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if (isNaN(utilization))
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utilization = 0;
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dhcp_data.subnets[i].utilization = utilization;
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}
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dhcp_data.subnets.sort(function (a, b) {
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return parseFloat(b.utilization) - parseFloat(a.utilization);
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});
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display_subnets = '';
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for (var i = 0; i < dhcp_data.subnets.length; i++) {
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utilization = dhcp_data.subnets[i].utilization;
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table_row = '';
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table_row = table_row + '<td><b>' + dhcp_data.subnets[i].location + '</b></td>';
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table_row = table_row + '<td>' + dhcp_data.subnets[i].range + '</td>';
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table_row = table_row + '<td>' + dhcp_data.subnets[i].used.toLocaleString('en') + ' (' + utilization + '%)</td>';
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table_row = table_row + '<td class="hide_col">' + dhcp_data.subnets[i].defined.toLocaleString('en') + '</td>';
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table_row = table_row + '<td class="hide_col">' + dhcp_data.subnets[i].free.toLocaleString('en') + '</td>';
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utilization_color = 'green';
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if (utilization >= 80)
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utilization_color = 'orange';
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if (utilization >= 90)
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utilization_color = 'red';
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table_row = table_row + '<td><div class="progress">' +
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'<div class="progress-bar bg-' + utilization_color + '" role="progressbar" aria-valuenow="62" aria-valuemin="0" aria-valuemax="100" style="width: ' + utilization + '%"></div>' +
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'</div></td>';
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display_subnets = display_subnets + '<tr>' + table_row + '</tr>';
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}
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total_leases = dhcp_data.summary.used.toLocaleString('en');
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let return_data = {
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"cpu_utilization": cpu_utilization,
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"leases_used": total_leases,
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"leases_per_second": current_leases_per_second,
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"leases_per_minute": leases_per_minute,
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"shared_network_table": shared_networks,
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"host_name": host_name,
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"display_subnets_table": display_subnets
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};
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res.setHeader('Content-Type', 'application/json');
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res.send(JSON.stringify(return_data));
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});
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module.exports = router;
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function round(num, places) {
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var multiplier = Math.pow(10, places);
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return Math.round(num * multiplier) / multiplier;
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} |