1 | 'use strict'
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2 |
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3 | const cli = require('heroku-cli-util')
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4 |
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5 | async function run(context, heroku) {
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6 | cli.warn('This is a beta command and is not considered reliable or complete. Use with caution.')
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7 | const host = require('../lib/host')
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8 | const util = require('../lib/util')
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9 | const fetcher = require('../lib/fetcher')(heroku)
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10 | let { app, args, flags } = context
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11 | let db = await fetcher.addon(app, args.database)
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12 |
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13 | if (util.starterPlan(db)) throw new Error('pg:repoint is only available for follower production databases')
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14 |
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15 | let replica = await heroku.get(`/client/v11/databases/${db.id}`, { host: host(db) })
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16 |
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17 | if (!replica.following) {
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18 | throw new Error('pg:repoint is only available for follower production databases')
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19 | }
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20 |
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21 | let origin = util.databaseNameFromUrl(replica.following, await heroku.get(`/apps/${app}/config-vars`))
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22 |
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23 | let newLeader = await fetcher.addon(app, flags.follow)
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24 |
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25 | await cli.confirmApp(app, flags.confirm, `WARNING: Destructive action
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26 | ${cli.color.addon(db.name)} will be repointed to follow ${newLeader.name}, and stop following ${origin}.
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27 |
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28 | This cannot be undone.`)
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29 |
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30 | let data = { follow: newLeader.id }
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31 | await cli.action(`Starting repoint of ${cli.color.addon(db.name)}`, async function () {
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32 | await heroku.post(`/client/v11/databases/${db.id}/repoint`, { host: host(db), body: data })
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33 | cli.action.done(`${cli.color.cmd('heroku pg:wait')} to track status`)
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34 | }())
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35 | }
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36 |
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37 | module.exports = {
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38 | hidden: true,
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39 | topic: 'pg',
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40 | command: 'repoint',
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41 | description: 'changes which leader a follower is following',
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42 | help: `Example:
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43 |
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44 | heroku pg:repoint postgresql-transparent-56874 --follow postgresql-lucid-59103 -a woodstock-production
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45 | `,
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46 | needsApp: true,
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47 | needsAuth: true,
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48 | args: [{ name: 'database', optional: true }],
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49 | flags: [
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50 | { name: 'confirm', char: 'c', hasValue: true },
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51 | { name: 'follow', description: 'leader database to follow', hasValue: true }
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52 | ],
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53 | run: cli.command({ preauth: true }, run)
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54 | }
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