Backup_Senica/RVO37/flow/monitordisk.js
2025-10-16 02:26:04 +02:00

96 lines
No EOL
2.4 KiB
JavaScript
Executable file

exports.id = 'monitordisk';
exports.title = 'Disk';
exports.version = '1.0.0';
exports.author = 'Peter Širka';
exports.group = 'Monitoring';
exports.color = '#F6BB42';
exports.output = 1;
exports.icon = 'hdd-o';
exports.click = true;
exports.options = { interval: 8000, path: '/', enabled: true };
exports.readme = `# Disk monitoring
This component monitors disk \`bytes\` consumption in Linux systems. It uses \`df\` command.
__Data Example__:
\`\`\`javascript
{
total: 474549649408,
used: 39125245952,
free: 411294994432
}
\`\`\``;
exports.html = `<div class="padding">
<div class="row">
<div class="col-md-3 m">
<div data---="textbox__interval__placeholder:10000;increment:true;type:number;required:true;maxlength:10;align:center">@(Interval in milliseconds)</div>
</div>
<div class="col-md-3 m">
<div data---="textbox__path__placeholder:/;required:true">@(Path)</div>
</div>
</div>
</div>`;
exports.install = function(instance) {
var current = { total: 0, used: 0, free: 0, path: '', type: '', percentUsed: 0 };
var tproc = null;
instance.custom.run = function() {
if (tproc) {
clearTimeout(tproc);
tproc = null;
}
if (!instance.options.enabled)
return;
require('child_process').exec('df -hTB1 ' + instance.options.path, function(err, response) {
tproc = setTimeout(instance.custom.run, instance.options.interval);
if (err) {
instance.error(err);
return;
}
response.parseTerminal(function(line) {
if (line[0][0] !== '/')
return;
current.total = line[2].parseInt();
current.free = line[4].parseInt();
current.used = line[3].parseInt();
current.path = instance.options.path || '/';
current.type = line[1];
current.percentUsed = line[5];
instance.custom.status();
instance.send2(current);
});
});
};
instance.custom.status = function() {
if (instance.options.enabled)
instance.status(current.free.filesize() + ' / ' + current.total.filesize());
else
instance.status('Disabled', 'red');
};
instance.on('click', function() {
instance.options.enabled = !instance.options.enabled;
instance.custom.status();
instance.options.enabled && instance.custom.run();
});
instance.on('close', function() {
if (tproc) {
clearTimeout(tproc);
tproc = null;
}
});
setTimeout(instance.custom.run, 1000);
};