setup-bazel/remote-cache-server.js
Alex Rodionov 729d401ac3 refactor
2024-05-30 20:40:48 -07:00

51 lines
1.6 KiB
JavaScript

const http = require('http')
const cache = require('@actions/cache')
const fs = require('fs')
// https://bazel.build/remote/caching#http-caching
const server = http.createServer(async (req, res) => {
const { method, url } = req
const [, , cacheType, sha] = url.split('/')
const cacheKey = `setup-bazel-1-remote-cache-${sha}`
const filePath = `/tmp/cache-${cacheType}-${sha}`
if (method === 'GET') {
try {
const cacheId = await cache.restoreCache([filePath], cacheKey)
if (!cacheId) {
console.log(`Cache miss for ${cacheKey}`)
res.writeHead(404)
return res.end('Cache miss')
}
const data = fs.readFileSync(filePath)
res.writeHead(200, { 'Content-Type': 'application/octet-stream' })
res.end(data)
} catch (error) {
console.error(`Error retrieving cache for ${cacheKey}: ${error}`)
res.writeHead(500)
res.end('Internal Server Error')
}
} else if (method === 'PUT') {
const data = []
req.on('data', chunk => data.push(chunk))
req.on('end', async () => {
try {
fs.writeFileSync(filePath, Buffer.concat(data))
await cache.saveCache([filePath], cacheKey)
console.log(`Cache saved for ${cacheKey}`)
res.writeHead(201)
res.end('Cache saved')
} catch (error) {
console.error(`Error saving cache for ${cacheKey}: ${error}`)
res.writeHead(500)
res.end('Internal Server Error')
}
})
} else {
res.writeHead(405)
res.end('Method Not Allowed')
}
})
const PORT = process.env.PORT || 9889
server.listen(PORT, () => console.log(`Server listening on port ${PORT}`))