/
query.js
43 lines (41 loc) · 1.17 KB
/
query.js
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// Query Handler
const { asyncLogError, CORS } = require('../../common')
const { instantQueryScan } = require('../db/clickhouse')
async function handler (req, res) {
req.log.debug('GET /loki/api/v1/query')
const resp = { streams: [] }
if (!req.query.query) {
return res.send(resp)
}
console.log(req.query.query)
const m = req.query.query.match(/^vector *\( *([0-9]+) *\) *\+ *vector *\( *([0-9]+) *\)/)
if (m) {
return res.code(200).send(JSON.stringify({
status: 'success',
data: {
resultType: 'vector',
result: [{
metric: {},
value: [Math.floor(Date.now() / 1000), `${parseFloat(m[1]) + parseFloat(m[2])}`]
}]
}
}))
}
/* remove newlines */
req.query.query = req.query.query.replace(/\n/g, ' ')
/* scan fingerprints */
/* TODO: handle time tag + direction + limit to govern the query output */
try {
const response = await instantQueryScan(req.query)
res.code(200)
res.headers({
'Content-Type': 'application/json',
'Access-Control-Allow-Origin': CORS
})
return response
} catch (err) {
asyncLogError(err, req.log)
throw err
}
}
module.exports = handler