Add PR seed upload workflow.

.github/workflows/scripts/comment.js

@@ -0,0 +1,37 @@
+// Creates or updates a single comment which is looked up by the workflow
+// reference. Workflow reference is unique for each workflow, but is persistent
+// across runs.
+
+module.exports = async (github, context, commentBody) => {
+  const assert = require('assert');
+  assert(commentBody);
+
+  const uniqueCommentTag = `<!-- ${context.workflow} -->`;
+  commentBody += `\n${uniqueCommentTag}`;
+
+  const comments = await github.rest.issues.listComments({
+    issue_number: context.issue.number,
+    owner: context.repo.owner,
+    repo: context.repo.repo,
+  });
+
+  const existingComment = comments.data.find((comment) =>
+    comment.body.includes(uniqueCommentTag),
+  );
+
+  if (existingComment) {
+    await github.rest.issues.updateComment({
+      comment_id: existingComment.id,
+      owner: context.repo.owner,
+      repo: context.repo.repo,
+      body: commentBody,
+    });
+  } else {
+    await github.rest.issues.createComment({
+      issue_number: context.issue.number,
+      owner: context.repo.owner,
+      repo: context.repo.repo,
+      body: commentBody,
+    });
+  }
+};

.github/workflows/upload-test-seed.yml

@@ -0,0 +1,99 @@
+name: Upload Test Seed
+
+on:
+  pull_request:
+    paths:
+      - 'studies/**'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4
+
+      - name: Set upload in progress status
+        uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
+        with:
+          script: |
+            const commentBody =
+            `## 🔄 Test Seed Upload In Progress
+
+            A new seed file is currently being uploaded for this pull request.
+
+            ### What's Next?
+
+            - The upload process typically takes a few minutes.
+            - Once the upload is complete, a follow-up comment will provide the seed details and testing instructions.
+            `
+            const comment = require('.github/workflows/scripts/comment.js')
+            await comment(github, context, commentBody)
+
+      - name: Install dependencies and run tests
+        run: |
+          npm install
+          npm run typecheck:scripts
+          npm run build:proto
+          npm run typecheck
+          npm run test
+
+      - name: Generate seed
+        run: |
+          npm run seed_tools -- create_seed studies seed.bin
+
+      - name: Upload seed
+        env:
+          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_PRODUCTION_ACCESS_KEY_ID }}
+          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_PRODUCTION_SECRET_ACCESS_KEY }}
+          AWS_REGION: us-west-2
+          CLOUDFRONT_DISTRIBUTION_ID: ${{ secrets.CLOUDFRONT_DISTRIBUTION_ID }}
+          REMOTE_SEED_PATH: 'pull/${{github.event.pull_request.number}}/seed'
+        run: |
+          gzip -c seed.bin | aws s3 cp - "s3://brave-production-griffin-origin/$REMOTE_SEED_PATH" \
+            --content-type application/octet-stream \
+            --content-encoding gzip
+
+          INVALIDATION_ID=$(aws cloudfront create-invalidation --distribution-id "$CLOUDFRONT_DISTRIBUTION_ID" --paths "/$REMOTE_SEED_PATH" --query 'Invalidation.Id' --output text)
+          aws cloudfront wait invalidation-completed --distribution-id "$CLOUDFRONT_DISTRIBUTION_ID" --id "$INVALIDATION_ID"
+
+      - name: Set uploaded status
+        uses: actions/github-script@v7
+        with:
+          script: |
+            console.log(context)
+            console.log(process.env)
+            const fs = require('fs');
+            const variationsServerURL = `https://griffin.brave.com/pull/${{github.event.pull_request.number}}/seed`;
+            const serialNumberContent = fs.readFileSync('serialnumber', 'utf8');
+            const commentBody =
+            `## 🚀 Test Seed Upload Successful
+
+            To test the new seed, launch the browser with the following command line:
+            \`\`\`
+            --accept-empty-variations-seed-signature --variations-server-url=${variationsServerURL}
+            \`\`\`
+
+            #### Seed Details
+            - Serial Number: \`${serialNumberContent}\`
+            - Upload Date: \`${new Date().toISOString()}\`
+            `
+            const comment = require('.github/workflows/scripts/comment.js')
+            await comment(github, context, commentBody)
+
+      - name: Set failed status
+        if: failure()
+        uses: actions/github-script@v7
+        with:
+          script: |
+            const failureCommentBody =
+            `## ❌ Test Seed Upload Failed
+
+            Unfortunately, the seed upload failed.
+
+            ### What's Next?
+
+            - Please review Pull Request checks statuses for more information.
+            - Push a new commit to trigger a new upload attempt.
+            `
+            const comment = require('.github/workflows/scripts/comment.js')
+            await comment(github, context, commentBody)

src/seed_tools/commands/create_seed.ts

@@ -24,6 +24,7 @@ export default new Command('create_seed')
   .option(
     '--serial_number_path <path>',
     'file path to write the serial number to',
+    './serialnumber',
   )
   .option('--mock_serial_number <value>', 'mock serial number')
   .action(main);

studies/AdBlockComponentUpdateIntervalStudy.json

@@ -0,0 +1,35 @@
+[
+  {
+    "name": "AdBlockComponentUpdateIntervalStudy",
+    "experiment": [
+      {
+        "name": "Enabled",
+        "probability_weight": 100,
+        "feature_association": {
+          "enable_feature": [
+            "AdBlockDefaultResourceUpdateInterval"
+          ]
+        },
+        "param": [
+          {
+            "name": "update_interval_mins",
+            "value": "1"
+          }
+        ]
+      }
+    ],
+    "filter": {
+      "channel": [
+        "NIGHTLY",
+        "BETA",
+        "RELEASE"
+      ],
+      "platform": [
+        "PLATFORM_WINDOWS",
+        "PLATFORM_MAC",
+        "PLATFORM_LINUX",
+        "PLATFORM_ANDROID"
+      ]
+    }
+  }
+]