87 lines
No EOL
2.1 KiB
JavaScript
Executable file
87 lines
No EOL
2.1 KiB
JavaScript
Executable file
exports.id = 'monitormemory';
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exports.title = 'Memory';
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exports.version = '1.0.0';
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exports.author = 'Peter Širka';
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exports.group = 'Monitoring';
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exports.color = '#F6BB42';
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exports.output = 1;
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exports.click = true;
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exports.icon = 'microchip';
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exports.options = { interval: 8000, enabled: true };
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exports.readme = `# Memory monitoring
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This component monitors memory \`bytes\` consumption in Linux systems. It uses \`free\` command.
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__Data Example__:
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\`\`\`javascript
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{
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total: 33558769664,
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used: 1998868480,
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free: 2653708288
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}
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\`\`\``;
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exports.html = `<div class="padding">
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<div class="row">
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<div class="col-md-3 m">
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<div data-jc="textbox" data-jc-path="interval" data-jc-config="placeholder:10000;increment:true;type:number;required:true;maxlength:10;align:center">@(Interval in milliseconds)</div>
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</div>
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</div>
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</div>`;
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exports.install = function(instance) {
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var current = { total: 0, used: 0, free: 0 };
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var tproc = null;
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instance.custom.run = function() {
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if (tproc) {
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clearTimeout(tproc);
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tproc = null;
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}
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if (!instance.options.enabled)
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return;
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require('child_process').exec('free -b -t', function(err, response) {
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tproc = setTimeout(instance.custom.run, instance.options.interval);
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if (err) {
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instance.error(err);
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return;
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}
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var memory = response.split('\n')[1].match(/\d+/g);
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current.total = memory[0].parseInt();
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current.used = memory[1].parseInt() - memory[3].parseInt();
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current.free = current.total - current.used;
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instance.custom.status();
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instance.send2(current);
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});
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};
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instance.custom.status = function() {
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if (instance.options.enabled)
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instance.status(current.free.filesize() + ' / ' + current.total.filesize());
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else
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instance.status('Disabled', 'red');
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};
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instance.on('click', function() {
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instance.options.enabled = !instance.options.enabled;
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instance.custom.status();
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instance.options.enabled && instance.custom.run();
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});
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instance.on('close', function() {
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if (tproc) {
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clearTimeout(tproc);
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tproc = null;
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}
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});
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setTimeout(instance.custom.run, 1000);
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}; |