Automated Preview URLs (#601)

.github/workflows/ci.yml

@@ -70,7 +70,6 @@ jobs:
       - run: npm run test
   build:
     runs-on: ubuntu-latest
-    needs: [lint, format, compile, unittest]
     name: "Build"
     steps:
       - uses: actions/checkout@v2
@@ -92,6 +91,14 @@ jobs:
         with:
           name: dist
           path: dist/
+      - name: Upload build to preview blob storage
+        run: az storage blob upload-batch -d '$web' -s 'dist' --account-name cosmosexplorerpreview --subscription cosmosdb-portalteam-generaldemo --destination-path "${{github.event.pull_request.head.sha}}" --account-key="${PREVIEW_STORAGE_KEY}"
+        env:
+          PREVIEW_STORAGE_KEY: ${{ secrets.PREVIEW_STORAGE_KEY }}
+      - name: Upload preview config to blob storage
+        run: az storage blob upload -c '$web' -f ./preview/config.json --account-name cosmosexplorerpreview --subscription cosmosdb-portalteam-generaldemo --name "${{github.event.pull_request.head.sha}}/config.json" --account-key="${PREVIEW_STORAGE_KEY}"
+        env:
+          PREVIEW_STORAGE_KEY: ${{ secrets.PREVIEW_STORAGE_KEY }}
   endtoendemulator:
     name: "End To End Emulator Tests"
     if: github.ref == 'refs/heads/master' || contains(github.ref, 'hotfix/') || contains(github.ref, 'release/')

preview/.azure/config

@@ -0,0 +1,7 @@
+[defaults]
+group = stfaul
+sku = P1v2
+appserviceplan = stfaul_asp_Linux_centralus_0
+location = centralus
+web = cosmos-explorer-preview
+

preview/README.md

@@ -0,0 +1,20 @@
+# Cosmos Explorer Preview
+
+Cosmos Explorer Preview makes it possible to try a working version of any commit on master or in a PR. No need to run the app locally or deploy to staging.
+
+Initial support is for Hosted (Connection string only) or the Azure Portal. Examples:
+
+Connection string URLs: https://cosmos-explorer-preview.azurewebsites.net/commit/COMMIT_SHA/hostedExplorer.html
+Portal URLs: https://ms.portal.azure.com/?dataExplorerSource=https://cosmos-explorer-preview.azurewebsites.net/commit/COMMIT_SHA/explorer.html#home
+
+In both cases replace `COMMIT_SHA` with the commit you want to view. It must have already completed its build on GitHub Actions.
+
+### Architechture
+
+- This folder contains a NodeJS app deployed to Azure App Service that powers preview URLs:
+  - Paths starting with `/commit/` are proxied to an Azure Storage account containing build artifacts
+  - Paths starting with `/proxy/` are proxied dynamically to Cosmos account endpoints. Required otherwise CORS would need to be configured for every account accessed.
+  - Paths starting with `/api/` are proxied to Portal APIs that do not support CORS.
+- On GitHub Actions build completion:
+  - All files in dist are uploaded to an Azure Storage account namespaced by the SHA of the commit
+  - `/preview/config.json` is uploaded to the same folder with preview specific configuration

preview/config.json

@@ -0,0 +1,3 @@
+{
+  "PROXY_PATH": "/proxy"
+}

preview/index.js

@@ -0,0 +1,44 @@
+const express = require("express");
+const { createProxyMiddleware } = require("http-proxy-middleware");
+const port = process.env.PORT || 3000;
+
+const api = createProxyMiddleware("/api", {
+  target: "https://main.documentdb.ext.azure.com",
+  changeOrigin: true,
+  logLevel: "debug",
+  bypass: (req, res) => {
+    if (req.method === "OPTIONS") {
+      res.statusCode = 200;
+      res.send();
+    }
+  },
+});
+
+const proxy = createProxyMiddleware("/proxy", {
+  target: "https://main.documentdb.ext.azure.com",
+  changeOrigin: true,
+  secure: false,
+  logLevel: "debug",
+  pathRewrite: { "^/proxy": "" },
+  router: (req) => {
+    let newTarget = req.headers["x-ms-proxy-target"];
+    return newTarget;
+  },
+});
+
+const commit = createProxyMiddleware("/commit", {
+  target: "https://cosmosexplorerpreview.blob.core.windows.net",
+  changeOrigin: true,
+  secure: false,
+  logLevel: "debug",
+  pathRewrite: { "^/commit": "$web/" },
+});
+
+const app = express();
+
+app.use(api);
+app.use(proxy);
+app.use(commit);
+app.listen(port, () => {
+  console.log(`Example app listening on port: ${port}`);
+});

preview/package-lock.json

@@ -0,0 +1,491 @@
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+  "name": "preview",
+  "version": "1.0.0",
+  "lockfileVersion": 1,
+  "requires": true,
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+      "requires": {
+        "@types/node": "*"
+      }
+    },
+    "@types/node": {
+      "version": "14.14.37",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-14.14.37.tgz",
+      "integrity": "sha512-XYmBiy+ohOR4Lh5jE379fV2IU+6Jn4g5qASinhitfyO71b/sCo6MKsMLF5tc7Zf2CE8hViVQyYSobJNke8OvUw=="
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+}

preview/package.json

@@ -0,0 +1,17 @@
+{
+  "name": "cosmos-explorer-preview",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "deploy": "az webapp up -n cosmos-explorer-preview --subscription cosmosdb-portalteam-generaldemo -g stfaul",
+    "start": "node index.js",
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "Microsoft Corporation",
+  "dependencies": {
+    "express": "^4.17.1",
+    "http-proxy-middleware": "^1.1.0"
+  }
+}

src/Common/CosmosClient.ts

@@ -32,7 +32,7 @@ export const tokenProvider = async (requestInfo: RequestInfo) => {
 };
 
 export const requestPlugin: Cosmos.Plugin<any> = async (requestContext, next) => {
-  requestContext.endpoint = configContext.PROXY_PATH;
+  requestContext.endpoint = new URL(configContext.PROXY_PATH, window.location.href).href;
   requestContext.headers["x-ms-proxy-target"] = endpoint();
   return next(requestContext);
 };

src/Common/MessageHandler.ts

@@ -56,7 +56,7 @@ export function sendMessage(data: any): void {
         signature: "pcIframe",
         data: data,
       },
-      portalChildWindow.document.referrer
+      portalChildWindow.document.referrer || "*"
     );
   }
 }
@@ -71,7 +71,7 @@ export function sendReadyMessage(): void {
         kind: "ready",
         data: "ready",
       },
-      portalChildWindow.document.referrer
+      portalChildWindow.document.referrer || "*"
     );
   }
 }

src/Common/__snapshots__/CosmosClient.test.ts.snap

@@ -2,7 +2,7 @@
 
 exports[`requestPlugin Emulator builds a url for emulator proxy via webpack 1`] = `
 Object {
-  "endpoint": "/proxy",
+  "endpoint": "http://localhost/proxy",
   "headers": Object {
     "x-ms-proxy-target": "http://localhost",
   },
@@ -12,7 +12,7 @@ Object {
 
 exports[`requestPlugin Hosted builds a proxy URL in development 1`] = `
 Object {
-  "endpoint": "/proxy",
+  "endpoint": "http://localhost/proxy",
   "headers": Object {
     "x-ms-proxy-target": "baz",
   },