chore(badges): make badge host configurable via environment

jobs/create-initial-branch.js

@@ -144,10 +144,10 @@ module.exports = async function ({ repositoryId }) {
   const badgesTokenMaybe = repoDoc.private
     ? `?token=${tokenHash}&ts=${Date.now()}`
     : ''
-  const badgeUrl = `https://badges.greenkeeper.io/${slug}.svg${badgesTokenMaybe}`
+  const badgeUrl = `https://${env.BADGES_HOST}/${slug}.svg${badgesTokenMaybe}`
   log.info('badge: url', {badgeUrl})
 
-  const privateBadgeRegex = /https:\/\/badges\.(staging\.)?greenkeeper\.io\/.+?\.svg\?token=\w+(&ts=\d+)?/
+  const privateBadgeRegex = new RegExp(`https://${env.BADGES_HOST}.+?.svg\\?token=\\w+(&ts=\\d+)?`)
 
   let badgeAlreadyAdded = false
   const transforms = [
@@ -187,7 +187,7 @@ module.exports = async function ({ repositoryId }) {
 
         badgeAlreadyAdded = _.includes(
           readme,
-          'https://badges.greenkeeper.io/'
+          `https://${env.BADGES_HOST}/`
         )
         if (!repoDoc.private && badgeAlreadyAdded) {
           log.info('badge: Repository already has badge')

lib/env.js

@@ -29,6 +29,7 @@ module.exports = envalid.cleanEnv(process.env, {
   NPM_REGISTRY: url({ default: 'https://registry.npmjs.org/' }),
   GITHUB_URL: url({ default: 'https://github.com' }),
   BADGES_SECRET: str({ devDefault: 'badges-secret' }),
+  BADGES_HOST: str({default: 'badges.greenkeeper.io'}),
   NPMHOOKS_SECRET: str({ devDefault: 'make-secrets-great-again' }),
   STRIPE_SECRET_KEY: str({ devDefault: 'stripe-token' }),
   IS_ENTERPRISE: bool({ default: false }),

test/jobs/create-initial-branch.js

@@ -10,6 +10,7 @@ const dbs = require('../../lib/dbs')
 test('create-initial-branch', async t => {
   t.beforeEach(() => {
     delete process.env.IS_ENTERPRISE
+    delete process.env.BADGES_HOST
     cleanCache('../../lib/env')
     return Promise.resolve()
   })
@@ -127,6 +128,76 @@ test('create-initial-branch', async t => {
     )
   })
 
+  t.test('uses the BADGES_HOST to create the badge url', async t => {
+    process.env.BADGES_HOST = 'badges.staging.greenkeeper.io'
+    await repositories.put({
+      _id: '47',
+      accountId: '123',
+      fullName: 'finnp/test'
+    })
+
+    nock('https://api.github.com')
+      .post('/installations/37/access_tokens')
+      .reply(200, {
+        token: 'secret'
+      })
+      .get('/rate_limit')
+      .reply(200, {})
+      .get('/repos/finnp/test/contents/package.json')
+      .reply(200, {
+        path: 'package.json',
+        content: encodePkg({ devDependencies })
+      })
+      .get('/repos/finnp/test')
+      .reply(200, {
+        default_branch: 'custom'
+      })
+      .post('/repos/finnp/test/labels', {
+        name: 'greenkeeper',
+        color: '00c775'
+      })
+      .reply(201)
+
+    nock('https://registry.npmjs.org')
+      .get('/@finnpauls%2Fdep')
+      .reply(200, {
+        'dist-tags': {
+          latest: '2.0.0'
+        }
+      })
+      .get('/@finnpauls%2Fdep2')
+      .reply(200, {
+        'dist-tags': {
+          latest: '3.0.0-rc1'
+        },
+        versions: {
+          '3.0.0-rc1': true
+        }
+      })
+
+    const worker = proxyquire('../../jobs/create-initial-branch', {
+      '../lib/create-branch': ({ transforms }) => {
+        transforms[2].transform(
+          'readme-badger\n=============\n',
+          'README.md'
+        )
+
+        return '1234abcd'
+      }
+    })
+
+    await worker({
+      repositoryId: 47
+    })
+
+    const newBranch = await repositories.get('47:branch:1234abcd')
+    t.is(
+      newBranch.badgeUrl,
+      'https://badges.staging.greenkeeper.io/finnp/test.svg',
+      'badgeUrl'
+    )
+  })
+
   t.test('badge already added', async t => {
     await repositories.put({
       _id: '44',
@@ -306,7 +377,7 @@ tearDown(async () => {
   await Promise.all([
     removeIfExists(installations, '123'),
     removeIfExists(payments, '123'),
-    removeIfExists(repositories, '42', '43', '44', '45', '46', '42:branch:1234abcd')
+    removeIfExists(repositories, '42', '43', '44', '45', '46', '47', '42:branch:1234abcd', '47:branch:1234abcd')
   ])
 })