32 lines
1,006 B
JavaScript
32 lines
1,006 B
JavaScript
const fs = require('fs')
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const path = require('path')
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const _ = require('lodash/fp')
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const setEnvVariable = require('./set-env-var')
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const ENV_PATH = process.env.NODE_ENV === 'production' ? path.resolve('/etc', 'lamassu', '.env') : path.resolve(__dirname, '../.env')
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const BACKUP_TIMESTAMP = Date.now()
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const BACKUP_PATH = `${ENV_PATH}-${BACKUP_TIMESTAMP}`
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const migrateEnv = newVars => {
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try {
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fs.copyFileSync(ENV_PATH, BACKUP_PATH)
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_.forEach(it => {
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setEnvVariable(it[0], it[1], { ENV_PATH })
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}, newVars)
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fs.unlinkSync(BACKUP_PATH)
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console.log('Environment migration successful')
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} catch (e) {
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// Rollback the migration and restore the backup file
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if (fs.existsSync(BACKUP_PATH)) {
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console.log('Rolling back the environment migration...')
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fs.copyFileSync(BACKUP_PATH, ENV_PATH)
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fs.unlinkSync(BACKUP_PATH)
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console.log('Rollback finished')
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}
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console.log('Environment migration failed')
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throw e
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}
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}
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module.exports = migrateEnv
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