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Discontinue WMIC, use powershell #6

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38 changes: 21 additions & 17 deletions lib/disk.js
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Original file line number Diff line number Diff line change
Expand Up @@ -40,26 +40,30 @@ switch(process.env.platform) {

case 'win':
module.exports = function(statEmitter, options) {
let wmic = 'wmic LOGICALDISK GET Name, Size, FreeSpace /value | findstr "FreeSpace Name Size"';
exec(wmic, function(err, output, code) {
let powershell = 'powershell Get-CimInstance -ClassName Win32_LogicalDisk';
exec(powershell, function(err, output, code) {
if(err) return;

let segments = output.split('\n');
for(let i=0; i<segments.length; ++i) {
if(segments[i].includes('FreeSpace')) {
let free = segments[i].split('=')[1].split('\r\r')[0];
if(!free) return;

free = parseInt(free);
let filesystem = segments[i+1].split('=')[1].split('\r\r')[0];
if(options.diskfilesystems && options.diskfilesystems.indexOf(filesystem) < 0) return;

let total = parseInt(segments[i+2].split('=')[1].split('\r\r')[0]);
let usedpct = Number(parseFloat((total - free) / total * 100).toFixed(2));

if(!options.threshold || options.threshold === 0 || usedpct > options.threshold) {
statEmitter.emit('disk', { filesystem: filesystem, usedpct: usedpct, total: total, free: free });
}
for(let i=3; i<segments.length; ++i) {
let segment = segments[i].split(/\s+/)

if (segment.length < 3) {
continue;
}

let free = segment[4];
if(!free) return;

free = parseInt(free);
let filesystem = segment[0];
if(options.diskfilesystems && options.diskfilesystems.indexOf(filesystem) < 0) return;

let total = parseInt(segment[4]);
let usedpct = Number(parseFloat((total - free) / total * 100).toFixed(2));

if(!options.threshold || options.threshold === 0 || usedpct > options.threshold) {
statEmitter.emit('disk', { filesystem: filesystem, usedpct: usedpct, total: total, free: free });
}
}

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