mirror of
https://github.com/theoludwig/programming-challenges.git
synced 2024-12-08 00:45:29 +01:00
54 lines
1.6 KiB
TypeScript
54 lines
1.6 KiB
TypeScript
import execa from 'execa'
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import ora from 'ora'
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import ms from 'ms'
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export class Docker {
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static CONTAINER_TAG = 'programming-challenges'
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static SIGSEGV_EXIT_CODE = 139
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static MAXIMUM_TIMEOUT = '1 minute'
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static MAXIMUM_TIMEOUT_MILLISECONDS = ms(Docker.MAXIMUM_TIMEOUT)
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public async build (): Promise<void> {
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const loader = ora('Building the Docker image').start()
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try {
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await execa.command(`docker build --tag=${Docker.CONTAINER_TAG} ./`)
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loader.stop()
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} catch (error) {
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loader.fail()
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throw error
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}
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}
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public async run (input: string): Promise<string> {
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const subprocess = execa.command(
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`docker run --interactive --rm ${Docker.CONTAINER_TAG}`,
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{
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input
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}
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)
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let isValid = true
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const timeout = setTimeout(() => {
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subprocess.kill()
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isValid = false
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}, Docker.MAXIMUM_TIMEOUT_MILLISECONDS)
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try {
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const { stdout, stderr } = await subprocess
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if (stderr.length !== 0) {
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throw new Error(stderr)
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}
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clearTimeout(timeout)
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return stdout
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} catch (error: any) {
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if (!isValid) {
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throw new Error(`Timeout: time limit exceeded (${Docker.MAXIMUM_TIMEOUT}), try to optimize your solution.`)
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}
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if (error.exitCode === Docker.SIGSEGV_EXIT_CODE) {
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throw new Error('Docker run failed: SIGSEGV indicates a segmentation fault (attempts to access a memory location that it\'s not allowed to access).')
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}
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throw new Error(`Docker run failed: ${error.message as string}`)
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}
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}
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}
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export const docker = new Docker()
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