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packages/google-cloud-oslogin/.circleci/npm-install-retry.js
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#!/usr/bin/env node | ||
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let spawn = require('child_process').spawn; | ||
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// | ||
//USE: ./index.js <ms npm can be idle> <number of attempts> [... NPM ARGS] | ||
// | ||
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let timeout = process.argv[2] || 60000; | ||
let attempts = process.argv[3] || 3; | ||
let args = process.argv.slice(4); | ||
if (args.length === 0) { | ||
args = ['install']; | ||
} | ||
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(function npm() { | ||
let timer; | ||
args.push('--verbose'); | ||
let proc = spawn('npm', args); | ||
proc.stdout.pipe(process.stdout); | ||
proc.stderr.pipe(process.stderr); | ||
proc.stdin.end(); | ||
proc.stdout.on('data', () => { | ||
setTimer(); | ||
}); | ||
proc.stderr.on('data', () => { | ||
setTimer(); | ||
}); | ||
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// side effect: this also restarts when npm exits with a bad code even if it | ||
// didnt timeout | ||
proc.on('close', (code, signal) => { | ||
clearTimeout(timer); | ||
if (code || signal) { | ||
console.log('[npm-are-you-sleeping] npm exited with code ' + code + ''); | ||
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if (--attempts) { | ||
console.log('[npm-are-you-sleeping] restarting'); | ||
npm(); | ||
} else { | ||
console.log('[npm-are-you-sleeping] i tried lots of times. giving up.'); | ||
throw new Error("npm install fails"); | ||
} | ||
} | ||
}); | ||
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function setTimer() { | ||
clearTimeout(timer); | ||
timer = setTimeout(() => { | ||
console.log('[npm-are-you-sleeping] killing npm with SIGTERM'); | ||
proc.kill('SIGTERM'); | ||
// wait a couple seconds | ||
timer = setTimeout(() => { | ||
// its it's still not closed sigkill | ||
console.log('[npm-are-you-sleeping] killing npm with SIGKILL'); | ||
proc.kill('SIGKILL'); | ||
}, 2000); | ||
}, timeout); | ||
} | ||
})(); |