commands/credentials/destroy.js
'use strict'
const co = require('co')
const cli = require('heroku-cli-util')
function * run (context, heroku) {
const fetcher = require('../../lib/fetcher')(heroku)
const host = require('../../lib/host')
const util = require('../../lib/util')
const {app, args, flags} = context
let cred = flags.name
if (cred === 'default') {
throw new Error('Default credential cannot be destroyed.')
}
let db = yield fetcher.addon(app, args.database)
if (util.starterPlan(db)) {
throw new Error(`Only one default credential is supported for Hobby tier databases.`)
}
let attachments = yield heroku.get(`/addons/${db.name}/addon-attachments`)
let credAttachments = attachments.filter(a => a.namespace === `credential:${flags.name}`)
let credAttachmentApps = Array.from(new Set(credAttachments.map(a => a.app.name)))
if (credAttachmentApps.length > 0) throw new Error(`Credential ${flags.name} must be detached from the app${credAttachmentApps.length > 1 ? 's' : ''} ${credAttachmentApps.map(name => cli.color.app(name)).join(', ')} before destroying.`)
yield cli.confirmApp(app, flags.confirm, `WARNING: Destructive action`)
yield cli.action(`Destroying credential ${cli.color.cmd(cred)}`, co(function * () {
yield heroku.delete(`/postgres/v0/databases/${db.name}/credentials/${encodeURIComponent(cred)}`, {host: host(db)})
}))
cli.log(`The credential has been destroyed within ${db.name}.`)
cli.log(`Database objects owned by ${cred} will be assigned to the default credential.`)
}
module.exports = {
topic: 'pg',
command: 'credentials:destroy',
description: 'destroy credential within database',
needsApp: true,
needsAuth: true,
help: `Example:
heroku pg:credentials:destroy postgresql-transparent-56874 --name cred-name -a woodstock-production
`,
args: [{name: 'database', optional: true}],
flags: [
{name: 'name', char: 'n', hasValue: true, required: true, description: 'unique identifier for the credential'},
{name: 'confirm', char: 'c', hasValue: true}
],
run: cli.command({preauth: true}, co.wrap(run))
}