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ci: create PR in emulator repo to build preview emulator binaries (#147)
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‎.github/workflows/create-emulator-pr.yml‎

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name: Create Emulator PR
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on:
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pull_request:
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branches: [ main ]
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types: [opened, synchronize, closed]
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permissions:
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contents: read
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pull-requests: write
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issues: write
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jobs:
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cleanup-emulator-pr:
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if: github.event.action == 'closed'
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runs-on: ubuntu-latest
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steps:
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- uses: webfactory/ssh-agent@v0.9.1
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with:
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ssh-private-key: ${{ secrets.EMULATOR_KEY }}
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- name: Delete emulator branch
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run: |
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PR_NUMBER="${{ github.event.pull_request.number }}"
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EMULATOR_BRANCH="testing-sdk-pr-${PR_NUMBER}-sync"
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git clone git@github.com:aws/aws-durable-execution-emulator.git
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cd aws-durable-execution-emulator
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git push origin --delete "$EMULATOR_BRANCH" || echo "Branch may not exist"
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create-emulator-pr:
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if: github.event.action == 'opened' || github.event.action == 'synchronize'
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runs-on: ubuntu-latest
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steps:
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- name: Checkout testing SDK repo
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uses: actions/checkout@v5
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with:
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path: testing-sdk
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- name: Set up Python
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uses: actions/setup-python@v6
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with:
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python-version: "3.13"
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- name: Install uv
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uses: astral-sh/setup-uv@v4
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- uses: webfactory/ssh-agent@v0.9.1
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with:
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ssh-private-key: |
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${{ secrets.EMULATOR_PRIVATE_KEY }}
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${{ secrets.SDK_KEY }}
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- name: Checkout emulator repo
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run: |
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git clone git@github.com:aws/aws-durable-execution-emulator.git emulator
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- name: Create branch and update uv.lock
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working-directory: emulator
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run: |
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# Configure git
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git config user.name "github-actions[bot]"
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git config user.email "github-actions[bot]@users.noreply.github.com"
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# Get PR info
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BRANCH_NAME="${{ github.event.pull_request.head.ref }}"
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PR_NUMBER="${{ github.event.pull_request.number }}"
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EMULATOR_BRANCH="testing-sdk-pr-${PR_NUMBER}-sync"
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# Create or update branch
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git fetch origin
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if git show-ref --verify --quiet refs/remotes/origin/"$EMULATOR_BRANCH"; then
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git checkout "$EMULATOR_BRANCH"
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git reset --hard origin/main
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else
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git checkout -b "$EMULATOR_BRANCH"
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fi
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# Update pyproject.toml to use local testing SDK (temporary, not committed)
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TESTING_SDK_PATH="$(realpath ../testing-sdk)"
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sed -i.bak "s|aws-durable-execution-sdk-python-testing @ git+ssh://git@github.com/aws/aws-durable-execution-sdk-python-testing.git|aws-durable-execution-sdk-python-testing @ file://${TESTING_SDK_PATH}|" pyproject.toml
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rm pyproject.toml.bak
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# Generate new uv.lock with the specific testing SDK commit
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uv lock
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# Show what changed
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echo "=== Changes to be committed ==="
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git diff --name-status
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git diff uv.lock || echo "uv.lock is a new file"
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# Restore original pyproject.toml (don't commit the temporary change)
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git checkout pyproject.toml
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# Commit and push only the uv.lock file
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git add uv.lock
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if git commit -m "Lock testing SDK branch: $BRANCH_NAME (PR #$PR_NUMBER)"; then
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echo "Changes committed successfully"
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git push --force-with-lease origin "$EMULATOR_BRANCH"
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echo "Branch pushed successfully"
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else
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echo "No changes to commit"
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# Still need to push the branch even if no changes
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git push --force-with-lease origin "$EMULATOR_BRANCH" || git push origin "$EMULATOR_BRANCH"
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fi
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- name: Create or update PR in emulator repo
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uses: actions/github-script@v7
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with:
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github-token: ${{ secrets.EMULATOR_REPO_TOKEN }}
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script: |
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const fs = require('fs');
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const pr = context.payload.pull_request;
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const branch_name = pr.head.ref;
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const emulator_branch = `testing-sdk-pr-${pr.number}-sync`;
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// Wait a moment for branch to be available
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await new Promise(resolve => setTimeout(resolve, 2000));
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// Read and populate PR template
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const template = fs.readFileSync('testing-sdk/.github/workflows/emulator-pr-template.md', 'utf8');
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const pr_body = template
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.replace(/{{PR_NUMBER}}/g, pr.number)
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.replace(/{{BRANCH_NAME}}/g, branch_name);
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try {
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// Check if PR already exists
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let existingPR = null;
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try {
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const prs = await github.rest.pulls.list({
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owner: 'aws',
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repo: 'aws-durable-execution-emulator',
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head: `aws:${emulator_branch}`,
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state: 'open'
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});
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existingPR = prs.data[0];
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} catch (e) {
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console.log('No existing PR found');
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}
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if (existingPR) {
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// Update existing PR
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await github.rest.pulls.update({
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owner: 'aws',
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repo: 'aws-durable-execution-emulator',
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pull_number: existingPR.number,
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title: `Lock testing SDK branch: ${branch_name} (PR #${pr.number})`,
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body: pr_body
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});
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console.log(`Updated emulator PR: ${existingPR.html_url}`);
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// Comment on original PR about update
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await github.rest.issues.createComment({
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owner: context.repo.owner,
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repo: context.repo.repo,
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issue_number: pr.number,
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body: `🔄 **Emulator PR Updated**\n\nThe emulator PR has been updated with locked dependencies:\n\n➡️ ${existingPR.html_url}`
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});
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} else {
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// Create new PR
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console.log("Creating an emulator PR")
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const response = await github.rest.pulls.create({
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owner: 'aws',
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repo: 'aws-durable-execution-emulator',
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title: `Lock testing SDK branch: ${branch_name} (PR #${pr.number})`,
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head: emulator_branch,
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base: 'main',
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body: pr_body,
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draft: true
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});
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console.log(`Created emulator PR: ${response.data.html_url}`);
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// Comment on original PR
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await github.rest.issues.createComment({
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owner: context.repo.owner,
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repo: context.repo.repo,
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issue_number: pr.number,
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body: `🤖 **Emulator PR Created**\n\nA draft PR has been created with locked dependencies:\n\n➡️ ${response.data.html_url}\n\nThe emulator will build binaries using the exact testing SDK commit locked in uv.lock.`
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});
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}
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} catch (error) {
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console.log(`Error managing PR: ${error.message}`);
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console.log(`Error status: ${error.status}`);
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console.log(`Error response: ${JSON.stringify(error.response?.data)}`);
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core.setFailed(`Failed to manage emulator PR: ${error.message}`);
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}

‎.github/workflows/emulator-pr-template.md‎

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*Issue #, if available:* Related to aws/aws-durable-execution-sdk-python-testing#{{PR_NUMBER}}
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*Description of changes:* Testing changes from testing SDK branch `{{BRANCH_NAME}}` using locked dependencies in uv.lock
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## Dependencies
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This PR locks the testing SDK to a specific commit from branch `{{BRANCH_NAME}}` using uv.lock for reproducible builds.
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PYTHON_LANGUAGE_SDK_BRANCH: main
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PYTHON_TESTING_SDK_BRANCH: {{BRANCH_NAME}}
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By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.

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