commands/addons/attach.js
'use strict'
let cli = require('heroku-cli-util')
let co = require('co')
function * run (context, heroku) {
const util = require('../../lib/util')
let app = context.app
let addon = yield heroku.get(`/addons/${encodeURIComponent(context.args.addon_name)}`)
function createAttachment (app, as, confirm, credential) {
let body = {
name: as,
app: {name: app},
addon: {name: addon.name},
confirm
}
if (credential && credential !== 'default') {
body.namespace = 'credential:' + credential
}
return cli.action(
`Attaching ${credential ? cli.color.addon(credential) + ' of ' : ''}${cli.color.addon(addon.name)}${as ? ' as ' + cli.color.attachment(as) : ''} to ${cli.color.app(app)}`,
heroku.request({
path: '/addon-attachments',
method: 'POST',
body: body
})
)
}
if (context.flags.credential && context.flags.credential !== 'default') {
let credentialConfig = yield heroku.get(`/addons/${addon.name}/config/credential:${encodeURIComponent(context.flags.credential)}`)
if (credentialConfig.length === 0) {
throw new Error(`Could not find credential ${context.flags.credential} for database ${addon.name}`)
}
}
let attachment = yield util.trapConfirmationRequired(context.app, context.flags.confirm, (confirm) => createAttachment(app, context.flags.as, confirm, context.flags.credential))
yield cli.action(
`Setting ${cli.color.attachment(attachment.name)} config vars and restarting ${cli.color.app(app)}`,
{success: false},
co(function * () {
let releases = yield heroku.get(`/apps/${app}/releases`, {
partial: true,
headers: { 'Range': 'version ..; max=1, order=desc' }
})
cli.action.done(`done, v${releases[0].version}`)
})
)
}
module.exports = {
topic: 'addons',
command: 'attach',
description: 'attach an existing add-on resource to an app',
needsAuth: true,
needsApp: true,
flags: [
{name: 'as', description: 'name for add-on attachment', hasValue: true},
{name: 'credential', description: 'credential name for scoped access to Heroku Postgres', hasValue: true},
{name: 'confirm', description: 'overwrite existing add-on attachment with same name', hasValue: true}
],
args: [{name: 'addon_name'}],
run: cli.command({preauth: true}, co.wrap(run))
}