366 lines
14 KiB
JavaScript
366 lines
14 KiB
JavaScript
'use strict';
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/* global angular, moment, $, Chart, TASK_TYPES */
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angular.module('Application').controller('SystemController', ['$scope', '$location', '$timeout', 'Client', function ($scope, $location, $timeout, Client) {
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Client.onReady(function () { if (!Client.getUserInfo().isAtLeastAdmin) $location.path('/'); });
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$scope.config = Client.getConfig();
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$scope.memory = null;
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$scope.cpus = null;
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$scope.info = null;
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$scope.volumesById = {};
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// https://stackoverflow.com/questions/1484506/random-color-generator
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function rainbow(numOfSteps, step) {
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// This function generates vibrant, "evenly spaced" colours (i.e. no clustering). This is ideal for creating easily distinguishable vibrant markers in Google Maps and other apps.
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// Adam Cole, 2011-Sept-14
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// HSV to RBG adapted from: http://mjijackson.com/2008/02/rgb-to-hsl-and-rgb-to-hsv-color-model-conversion-algorithms-in-javascript
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var r, g, b;
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var h = step / numOfSteps;
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var i = ~~(h * 6);
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var f = h * 6 - i;
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var q = 1 - f;
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switch(i % 6){
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case 0: r = 1; g = f; b = 0; break;
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case 1: r = q; g = 1; b = 0; break;
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case 2: r = 0; g = 1; b = f; break;
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case 3: r = 0; g = q; b = 1; break;
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case 4: r = f; g = 0; b = 1; break;
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case 5: r = 1; g = 0; b = q; break;
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}
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var c = '#' + ('00' + (~ ~(r * 255)).toString(16)).slice(-2) + ('00' + (~ ~(g * 255)).toString(16)).slice(-2) + ('00' + (~ ~(b * 255)).toString(16)).slice(-2);
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return (c);
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}
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// https://stackoverflow.com/questions/6274339/how-can-i-shuffle-an-array
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function shuffle(a) {
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for (let i = a.length - 1; i > 0; i--) {
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const j = Math.floor(Math.random() * (i + 1));
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[a[i], a[j]] = [a[j], a[i]];
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}
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return a;
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}
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var colorIndex = 0;
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var colors = [];
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function resetColors(n) {
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colorIndex = 0;
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colors = [];
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for (var i = 0; i < n; i++) colors.push(rainbow(n, i));
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shuffle(colors);
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}
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function getNextColor() {
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return colors[colorIndex++];
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}
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$scope.disks = {
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busy: true,
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busyRefresh: false,
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ts: 0,
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taskId: '',
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disks: [],
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show: function () {
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Client.diskUsage(function (error, result) {
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if (error) return console.error('Failed to refresh disk usage.', error);
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if (!result.usage) {
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$scope.disks.busy = false;
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return;
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}
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$scope.disks.ts = result.usage.ts;
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// [ { filesystem, type, size, used, available, capacity, mountpoint }]
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$scope.disks.disks = Object.keys(result.usage.disks).map(function (k) { return result.usage.disks[k]; });
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$scope.disks.disks.forEach(function (disk) {
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var usageOther = disk.used;
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resetColors(disk.contents.length);
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// if this disk is a volume amend it and remove it from contents
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disk.contents.forEach(function (content) { if (content.path === disk.mountpoint) disk.volume = $scope.volumesById[content.id]; });
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disk.contents = disk.contents.filter(function (content) { return content.path !== disk.mountpoint; });
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// only show old backups if the size is significant
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disk.contents = disk.contents.filter(function (content) { return content.id !== 'cloudron-backup-default' || content.usage > 1024*1024*1024; });
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disk.contents.forEach(function (content) {
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content.color = getNextColor();
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if (content.type === 'app') {
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content.app = Client.getInstalledAppsByAppId()[content.id];
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if (!content.app) content.uninstalled = true;
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else content.label = content.app.label || content.app.fqdn;
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} else if (content.type === 'volume') {
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content.volume = $scope.volumesById[content.id];
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content.label = content.volume ? content.volume.name : 'Removed volume';
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}
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// ensure a label for ui
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content.label = content.label || content.id;
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usageOther -= content.usage;
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});
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disk.contents.sort(function (x, y) { return y.usage - x.usage; }); // sort by usage
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if ($scope.disks.disks[0] === disk) { // the root mount point is the first disk. keep this 'contains' in the end
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disk.contents.push({
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type: 'standard',
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label: 'Everything else (Ubuntu, etc)',
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id: 'other',
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color: '#555555',
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usage: usageOther
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});
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} else {
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disk.contents.push({
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type: 'standard',
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label: 'Used',
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id: 'other',
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color: '#555555',
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usage: usageOther
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});
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}
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});
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$scope.disks.busy = false;
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});
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},
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checkStatus: function () {
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Client.getLatestTaskByType(TASK_TYPES.TASK_UPDATE_DISK_USAGE, function (error, task) {
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if (error) return console.error(error);
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if (!task) return;
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$scope.disks.taskId = task.id;
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$scope.disks.busyRefresh = true;
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$scope.disks.updateStatus();
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});
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},
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updateStatus: function () {
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Client.getTask($scope.disks.taskId, function (error, data) {
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if (error) return $timeout($scope.disks.updateStatus, 3000);
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if (!data.active) {
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$scope.disks.busyRefresh = false;
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$scope.disks.taskId = '';
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$scope.disks.show();
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return;
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}
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$timeout($scope.disks.updateStatus, 3000);
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});
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},
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refresh: function () {
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$scope.disks.busyRefresh = true;
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Client.refreshDiskUsage(function (error, taskId) {
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if (error) {
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$scope.disks.busyRefresh = false;
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return console.error('Failed to refresh disk usage.', error);
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}
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$scope.disks.taskId = taskId;
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$timeout($scope.disks.updateStatus, 3000);
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});
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}
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};
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$scope.graphs = {
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busy: false,
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period: 6,
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memoryChart: null,
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diskChart: null,
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setPeriod: function (hours) {
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$scope.graphs.period = hours;
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$scope.graphs.refresh();
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},
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refresh: function () {
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$scope.graphs.busy = true;
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Client.getSystemGraphs($scope.graphs.period * 60, function (error, result) {
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if (error) return console.error('Failed to fetch system graphs:', error);
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var cpuCount = result.cpuCount;
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// in minutes
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var timePeriod = $scope.graphs.period * 60;
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// keep in sync with graphs.js
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var timeBucketSizeMinutes = timePeriod > (24 * 60) ? (6*60) : 5;
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var steps = Math.floor(timePeriod/timeBucketSizeMinutes);
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var labels = new Array(steps).fill(0);
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labels = labels.map(function (v, index) {
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var dateTime = new Date(Date.now() - ((timePeriod - (index * timeBucketSizeMinutes)) * 60 * 1000));
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if ($scope.graphs.period > 24) {
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return dateTime.toLocaleDateString();
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} else {
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return dateTime.toLocaleTimeString();
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}
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});
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function fillGraph(canvasId, contents, chartPropertyName, divisor, max, format, formatDivisor) {
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if (!contents || !contents[0]) return; // no data available yet
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var datasets = [];
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resetColors(contents.length);
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contents.forEach(function (content, index) {
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// fill holes with previous value
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var cur = 0;
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content.data.forEach(function (d) {
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if (d[0] === null) d[0] = cur;
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else cur = d[0];
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});
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var datapoints = Array(steps).map(function () { return '0'; });
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// walk backwards and fill up the datapoints
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content.data.reverse().forEach(function (d, index) {
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datapoints[datapoints.length-1-index] = (d[0] / divisor).toFixed(2);
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});
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var color = index === 0 ? '#2196F3' : getNextColor();
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datasets.push({
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label: content.label,
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backgroundColor: color + '4F',
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borderColor: color, // FIXME give real distinct colors
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borderWidth: 1,
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radius: 0,
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data: datapoints,
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cubicInterpolationMode: 'monotone',
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tension: 0.4
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});
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});
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var graphData = {
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labels: labels,
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datasets: datasets
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};
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var options = {
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responsive: true,
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maintainAspectRatio: true,
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aspectRatio: 2.5,
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animation: false,
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plugins: {
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legend: {
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display: false
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}
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},
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interaction: {
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intersect: false,
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mode: 'index',
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},
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scales: {
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x: {
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ticks: { autoSkipPadding: 50, maxRotation: 0 }
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},
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y: {
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ticks: { maxTicksLimit: 6 },
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min: 0,
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beginAtZero: true
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}
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}
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};
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if (format) options.scales.y.ticks.callback = function (value) { return (formatDivisor ? (value/formatDivisor).toFixed(0) : value) + ' ' + format; };
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if (max) options.scales.y.max = max;
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var ctx = $(canvasId).get(0).getContext('2d');
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if ($scope.graphs[chartPropertyName]) $scope.graphs[chartPropertyName].destroy();
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$scope.graphs[chartPropertyName] = new Chart(ctx, { type: 'line', data: graphData, options: options });
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}
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var cpuThreshold = 20;
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var appsWithHighCPU = Object.keys(result.apps).map(function (appId) {
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result.apps[appId].id = appId;
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var app = Client.getInstalledAppsByAppId()[appId];
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if (!app) result.apps[appId].label = appId;
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else result.apps[appId].label = app.label || app.fqdn;
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return result.apps[appId];
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}).filter(function (app) {
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if (!app.cpu) return false; // not sure why we get empty objects
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return app.cpu.some(function (d) { return d[0] > cpuThreshold; });
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}).map(function (app) {
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return { data: app.cpu, label: app.label };
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});
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var memoryThreshold = 1024 * 1024 * 1024;
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var appsWithHighMemory = Object.keys(result.apps).map(function (appId) {
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result.apps[appId].id = appId;
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var app = Client.getInstalledAppsByAppId()[appId];
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if (!app) result.apps[appId].label = appId;
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else result.apps[appId].label = app.label || app.fqdn;
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return result.apps[appId];
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}).filter(function (app) {
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if (!app.memory) return false; // not sure why we get empty objects
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return app.memory.some(function (d) { return d[0] > memoryThreshold; });
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}).map(function (app) {
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return { data: app.memory, label: app.label };
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});
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fillGraph('#graphsCPUChart', [{ data: result.cpu, label: 'CPU' }].concat(appsWithHighCPU), 'cpuChart', 1, cpuCount * 100, '%');
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fillGraph('#graphsSystemMemoryChart', [{ data: result.memory, label: 'Memory' }].concat(appsWithHighMemory), 'memoryChart', 1024 * 1024, Number.parseInt($scope.memory.memory / 1024 / 1024), 'GiB', 1024);
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$scope.graphs.busy = false;
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});
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}
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};
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Client.onReady(function () {
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Client.cpus(function (error, cpus) {
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if (error) console.error(error);
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$scope.cpus = cpus;
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});
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Client.systemInfo(function (error, info) {
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if (error) console.error(error);
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// prettify for UI
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info.uptimeSecs = moment.duration(info.uptimeSecs, 'seconds').locale(navigator.language).humanize();
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$scope.info = info;
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});
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Client.memory(function (error, memory) {
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if (error) console.error(error);
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$scope.memory = memory;
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Client.getVolumes(function (error, volumes) {
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if (error) return console.error(error);
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$scope.volumesById = {};
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volumes.forEach(function (v) { $scope.volumesById[v.id] = v; });
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$scope.graphs.refresh();
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$scope.disks.show();
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$scope.disks.checkStatus();
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});
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});
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});
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Client.onReconnect(function () {
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$scope.reboot.busy = false;
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});
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}]);
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