winston-loki
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A Winston transport for Grafana Loki
177 lines (176 loc) • 5.22 kB
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<a href="../index.html">All files</a> / <a href="index.html">winston-loki</a> index.js
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38</td><td class="line-coverage quiet"><span class="cline-any cline-yes">1x</span>
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">const Transport = require('winston-transport')
const Batcher = require('./src/batcher')
module.exports = class LokiTransport extends Transport {
constructor (options) {
super(options)
this.batcher = new Batcher({
host: options.host,
interval: options.interval
})
this.batcher.run()
}
log (info, callback) {
setImmediate(<span class="fstat-no" title="function not covered" >()</span> => {
<span class="cstat-no" title="statement not covered" > this.emit('logged', info)</span>
})
const { label, timestamp, level, message, ...rest } = info
const logEntry = {
labels: `{job="${label}", level="${level}"}`,
entries: [
{
ts: timestamp,
line: `${message} ${(rest &&
Object.keys(rest) &&
JSON.stringify(rest)) ||
<span class="branch-3 cbranch-no" title="branch not covered" > ''}</span>`
}
]
}
this.batcher.pushLogEntry(logEntry)
callback()
}
}
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Code coverage
generated by <a href="https://istanbul.js.org/" target="_blank">istanbul</a> at Wed Jan 09 2019 14:51:34 GMT+0200 (Eastern European Standard Time)
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