Files
cloudron-box/dashboard/public/views/system.js
2024-10-04 17:43:45 +02:00

366 lines
14 KiB
JavaScript

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