chore(release): Add an action to replace Vercel DNS records

.eslintrc.json

@@ -9,7 +9,8 @@
     }
   },
   "ignorePatterns": [
-    "node_modules/**/*"
+    "node_modules/**/*",
+    "actions/**/*"
   ],
   "settings": {
     "react": {

.github/workflows/release.yaml

@@ -46,7 +46,14 @@ jobs:
 
       - name: Update DNS with new IPFS hash
         id: update_dns
-        run: npx vercel --token ${{ secrets.VERCEL_TOKEN }} --scope uniswap dns add uniswap.org _dnslink.app TXT "dnslink=/ipfs/${{ steps.upload.outputs.hash }}"
+        uses: ./actions/replace-vercel-dns-record
+        with:
+          domain: 'uniswap.org'
+          subdomain: '_dnslink.app'
+          record-type: 'TXT'
+          value: /ipfs/${{ steps.upload.outputs.hash }}
+          token: ${{ secrets.VERCEL_TOKEN }}
+          team-name: 'uniswap'
 
       - name: Create GitHub Release
         id: create_release

actions/replace-vercel-dns-record/action.yml

+name: 'Replace Vercel DNS Record'
+description: 'Replace a Vercel DNS record by adding one record and deleting all others'
+inputs:
+  domain:
+    description: 'The vercel domain'
+    required: true
+  subdomain:
+    description: 'The vercel subdomain to replace records for'
+    required: true
+  record-type:
+    description: 'The record type to replace'
+    required: true
+  value:
+    description: 'The new value for the subdomain/record type combo'
+    required: true
+  token:
+    description: 'The Vercel authentication token'
+    required: true
+  team-name:
+    description: 'The name of the team that controls the domain, e.g. Uniswap'
+    required: true
+runs:
+  using: 'node12'
+  main: 'index.js'
\ No newline at end of file

actions/replace-vercel-dns-record/index.js

+const core = require('@actions/core')
+const replaceDomain = require('./replace-domain')
+
+replaceDomain({
+  teamName: core.getInput('team-name'),
+  token: core.getInput('token'),
+  recordType: core.getInput('record-type'),
+  domain: core.getInput('domain'),
+  subdomain: core.getInput('subdomain'),
+  value: core.getInput('value'),
+})
+  .catch(error => {
+    core.setFailed(error)
+  })
\ No newline at end of file

actions/replace-vercel-dns-record/package.json

+{
+  "main": "index.js",
+  "dependencies": {
+    "@actions/core": "^1.2.4",
+    "node-fetch": "^2.6.0"
+  }
+}

actions/replace-vercel-dns-record/replace-domain.js

+const fetch = require('node-fetch')
+
+function checkStatusAndParseResponse(res) {
+  if (res.status < 200 || res.status >= 300) {
+    return res.json()
+      .then(
+        ({ error: { code, message } }) => {
+          throw new Error(`Response error code ${code}: ${message}`)
+        },
+      )
+      .catch(error => {
+        throw new Error(`Response status received without JSON error body: ${res.status}; ${error.message}`)
+      })
+  }
+
+  if (res.status === 204) return ''
+
+  return res.text()
+    .then(text => {
+      try {
+        return JSON.parse(text)
+      } catch (error) {
+        console.warn(`Invalid json response: ${error.message}`)
+        return ''
+      }
+    })
+}
+
+function authorizedFetchAndParse(urlPath, token, options) {
+  return fetch(`https://api.vercel.com${urlPath}`, {
+    ...options,
+    headers: {
+      ...(options && options.headers),
+      Authorization: `Bearer ${token}`,
+    },
+  }).then(checkStatusAndParseResponse)
+}
+
+function getTeamId({ teamName, token }) {
+  return authorizedFetchAndParse('/v1/teams', token)
+    .then(({ teams }) => teams.filter(({ name, slug }) => slug.toLowerCase() === teamName || name.toLowerCase() === teamName))
+    .then(teams => {
+      if (teams.length === 1) return teams[ 0 ]
+      if (teams.length > 1) {
+        throw new Error('team name matched more than 1 team')
+      } else {
+        throw new Error('team name did not match any team')
+      }
+    })
+    .then(team => team.id)
+}
+
+function getExistingRecords({ domain, subdomain, recordType, teamId, token }) {
+  // GET /v4/domains/:domain/records
+  return authorizedFetchAndParse(`/v4/domains/${domain}/records?limit=10000&teamId=${teamId}`, token)
+    .then(
+      ({ records }) => records.filter(({ type, name }) => type.toLowerCase() === recordType.toLowerCase() && name.toLowerCase() === subdomain.toLowerCase()),
+    )
+    .then(records => records.map(record => record.id))
+}
+
+function createRecord({ domain, subdomain, recordType, value, teamId, token }) {
+  return authorizedFetchAndParse(`/v2/domains/${domain}/records?teamId=${teamId}`, token, {
+    method: 'POST',
+    body: JSON.stringify({
+      name: subdomain,
+      type: recordType,
+      value,
+    }),
+    headers: {
+      'Content-Type': 'application/json',
+    },
+  })
+    .then(({ uid }) => uid)
+}
+
+function deleteRecord({ domain, recordId, teamId, token }) {
+  return authorizedFetchAndParse(`/v2/domains/${domain}/records/${recordId}?teamId=${teamId}`, token, {
+    method: 'DELETE',
+  })
+}
+
+module.exports = async function replaceDomain({ domain, subdomain, recordType, token, teamName, value }) {
+  const teamId = await getTeamId({ teamName, token })
+
+  const recordsToDelete = await getExistingRecords({ domain, subdomain, recordType, teamId, token })
+
+  const createdUid = await createRecord({ domain, subdomain, recordType, teamId, token, value })
+
+  if (recordsToDelete.indexOf(createdUid) !== -1) {
+    console.log('Record already exists, create was idempotent')
+  } else {
+    console.log(`Created record with uid ${createdUid}, deleting others`)
+  }
+
+
+  const filteredToDelete = recordsToDelete.filter(recordId => recordId !== createdUid)
+
+  if (filteredToDelete.length > 0) {
+    console.log(`Deleting records: ${filteredToDelete.join(', ')}`)
+    await Promise.all(
+      filteredToDelete.map(recordId => deleteRecord({ domain, recordId, token, teamId })),
+    )
+    console.log('Deleted records. Updated completed.')
+  } else {
+    console.log('No records to delete. Update completed.')
+  }
+}
\ No newline at end of file

actions/replace-vercel-dns-record/yarn.lock

+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+"@actions/core@^1.2.4":
+  version "1.2.4"
+  resolved "https://registry.yarnpkg.com/@actions/core/-/core-1.2.4.tgz#96179dbf9f8d951dd74b40a0dbd5c22555d186ab"
+  integrity sha512-YJCEq8BE3CdN8+7HPZ/4DxJjk/OkZV2FFIf+DlZTC/4iBlzYCD5yjRR6eiOS5llO11zbRltIRuKAjMKaWTE6cg==
+
+node-fetch@^2.6.0:
+  version "2.6.0"
+  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.6.0.tgz#e633456386d4aa55863f676a7ab0daa8fdecb0fd"
+  integrity sha512-8dG4H5ujfvFiqDmVu9fQ5bOHUC15JMjMY/Zumv26oOvvVJjM67KF8koCWIabKQ1GJIa9r2mMZscBq/TbdOcmNA==