heroku-kafka/commands/topics_destroy.js

heroku plugin to manage heroku kafka

'use strict'

let cli = require('@heroku/heroku-cli-util')
let co = require('co')
let deprecated = require('../lib/shared').deprecated
let withCluster = require('../lib/clusters').withCluster
let request = require('../lib/clusters').request

const VERSION = 'v0'

function * destroyTopic (context, heroku) {
  yield withCluster(heroku, context.app, context.args.CLUSTER, function * (addon) {
    yield cli.confirmApp(context.app, context.flags.confirm,
      `This command will affect the cluster: ${addon.name}, which is on ${context.app}`)

    yield cli.action(`Deleting topic ${context.args.TOPIC}`, co(function * () {
      const topicName = context.args.TOPIC
      return yield request(heroku, {
        method: 'DELETE',
        body: {
          topic_name: topicName
        },
        path: `/data/kafka/${VERSION}/clusters/${addon.id}/topics/${topicName}`
      })
    }))

    cli.log('Your topic has been marked for deletion, and will be removed from the cluster shortly')
  })
}

let cmd = {
  topic: 'kafka',
  command: 'topics:destroy',
  description: 'deletes a topic in Kafka',
  help: `
    Deletes a topic in Kafka.
    Note that topics are deleted asynchronously, so even though this command has returned,
    a topic may still exist.

    Examples:

    $ heroku kafka:topics:destroy page-visits
    $ heroku kafka:topics:destroy page-visits HEROKU_KAFKA_BROWN_URL
`,
  needsApp: true,
  needsAuth: true,
  args: [
    { name: 'TOPIC' },
    { name: 'CLUSTER', optional: true }
  ],
  flags: [
    { name: 'confirm',
      description: 'pass the app name to skip the manual confirmation prompt',
      hasValue: true }
  ],
  run: cli.command({preauth: true}, co.wrap(destroyTopic))
}

module.exports = {
  cmd,
  deprecated: Object.assign({}, cmd, { command: 'delete',
    hidden: true,
    run: cli.command(co.wrap(deprecated(destroyTopic, cmd.command))) })
}