Created
July 29, 2021 07:41
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| const _package = require('./package') | |
| let docker | |
| try { | |
| docker = require('./.version.json') | |
| } catch (_) { | |
| // NOTE(minho): Try to get the labels from docker.sock? | |
| // https://stackoverflow.com/questions/37439887/how-to-access-the-metadata-of-a-docker-container-from-a-script-running-inside-th | |
| docker = {} | |
| } | |
| const _getVersion = () => { | |
| const versionJson = { | |
| npm: { | |
| name: _package.name, | |
| version: _package.version, | |
| }, | |
| docker, | |
| } | |
| const vcsString = JSON.stringify(docker) | |
| const versionString = `${_package.name} ${_package.version} ${vcsString}` | |
| return { | |
| versionJson, | |
| versionString, | |
| } | |
| } | |
| const xPoweredBy = () => { | |
| const { versionString } = _getVersion() | |
| return (_, res, next) => { | |
| res.setHeader('X-Powered-By', versionString) // TODO | |
| next(); | |
| } | |
| } | |
| const getVersion = () => { | |
| const { versionJson } = _getVersion() | |
| return (_, res) => { | |
| res.status(200).json(versionJson) | |
| } | |
| } | |
| module.exports = { | |
| xPoweredBy, | |
| getVersion, | |
| } | |
| if (require.main === module) { // XXX: Entrypoint | |
| console.log('# version.js write .version.json') | |
| const [ | |
| __node, | |
| __versionJs, | |
| BUILD_DATE, | |
| VCS_REF, | |
| VCS_BRANCH, | |
| VCS_DESCRIBED, | |
| HOSTNAME, | |
| ] = process.argv | |
| const version = { | |
| BUILD_DATE, | |
| VCS_REF, | |
| VCS_BRANCH, | |
| VCS_DESCRIBED, | |
| HOSTNAME, | |
| } | |
| require('fs').writeFileSync('.version.json', JSON.stringify(version)) | |
| } |
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