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auto version bump (#112)
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‎.github/workflows/check-emulator-version.yaml

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name: Check Emulator Version
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on:
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schedule:
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# Run daily at midnight UTC
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- cron: '0 0 * * *'
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# Allow manual triggering
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workflow_dispatch:
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jobs:
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check-emulator-version:
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name: Check for new emulator version
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runs-on: ubuntu-latest
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permissions:
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contents: write
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pull-requests: write
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steps:
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- name: Check out the repo
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uses: actions/checkout@v4
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- name: Get current version and check for newer versions
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id: version-check
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uses: actions/github-script@v7
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with:
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script: |
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const fs = require('fs');
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const { execSync } = require('child_process');
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// Read the Dockerfile
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const dockerfile = fs.readFileSync('Dockerfile', 'utf8');
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// Extract the current version
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const versionMatch = dockerfile.match(/FROM gcr\.io\/cloud-spanner-emulator\/emulator:([0-9.]+)/);
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if (!versionMatch) {
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throw new Error('Could not find emulator version in Dockerfile');
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}
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const currentVersion = versionMatch[1];
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console.log(`Current version: ${currentVersion}`);
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// Set output for current version
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core.setOutput('current_version', currentVersion);
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// Fetch versions from Google Container Registry
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const response = await fetch('https://gcr.io/v2/cloud-spanner-emulator/emulator/tags/list');
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const data = await response.json();
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// Filter for semantic version tags (x.y.z format)
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const allVersions = data.tags.filter(tag => /^[0-9]+\.[0-9]+\.[0-9]+$/.test(tag));
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// Sort versions
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allVersions.sort((a, b) => {
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const aParts = a.split('.').map(Number);
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const bParts = b.split('.').map(Number);
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for (let i = 0; i < 3; i++) {
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if (aParts[i] !== bParts[i]) {
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return aParts[i] - bParts[i];
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}
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}
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return 0;
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});
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// Find versions newer than current version
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const newerVersions = allVersions.filter(version => {
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const vParts = version.split('.').map(Number);
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const cParts = currentVersion.split('.').map(Number);
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for (let i = 0; i < 3; i++) {
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if (vParts[i] !== cParts[i]) {
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return vParts[i] > cParts[i];
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}
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}
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return false;
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});
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if (newerVersions.length === 0) {
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console.log('No newer versions found.');
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core.setOutput('has_newer_versions', 'false');
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} else {
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// Get only the next version (first one after sorting)
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const nextVersion = newerVersions[0];
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console.log(`Next version found: ${nextVersion}`);
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core.setOutput('has_newer_versions', 'true');
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core.setOutput('next_version', nextVersion);
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// For backward compatibility
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core.setOutput('newer_versions', nextVersion);
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core.setOutput('latest_version', nextVersion);
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}
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- name: Process next version
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id: process-versions
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if: steps.version-check.outputs.has_newer_versions == 'true'
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env:
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current_version: ${{ steps.version-check.outputs.current_version }}
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next_version: ${{ steps.version-check.outputs.next_version }}
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uses: actions/github-script@v7
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with:
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script: |
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const fs = require('fs');
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const { execSync } = require('child_process');
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const currentVersion = process.env.current_version;
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const nextVersion = process.env.next_version;
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console.log(`Processing next version: ${nextVersion}`);
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let updated = false;
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const failedVersions = {};
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// Update Dockerfile with the next version
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console.log(`Updating Dockerfile to version ${nextVersion}...`);
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const dockerfile = fs.readFileSync('Dockerfile', 'utf8');
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const updatedDockerfile = dockerfile.replace(
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new RegExp(`FROM gcr.io/cloud-spanner-emulator/emulator:${currentVersion}`),
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`FROM gcr.io/cloud-spanner-emulator/emulator:${nextVersion}`
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);
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fs.writeFileSync('Dockerfile', updatedDockerfile);
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// Verify the updated Dockerfile
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console.log(`Verifying updated Dockerfile with version ${nextVersion}...`);
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try {
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execSync('bash verify.bash', { stdio: 'inherit' });
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console.log(`Verification successful for version ${nextVersion}`);
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updated = true;
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} catch (error) {
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console.log(`Verification failed for version ${nextVersion}`);
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// Mark this version as failed
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failedVersions[`version_${nextVersion}`] = 'failed';
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// Revert the Dockerfile change
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fs.writeFileSync('Dockerfile', dockerfile);
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}
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if (updated) {
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console.log(`Successfully updated to version ${nextVersion}`);
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core.setOutput('updated', 'true');
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core.setOutput('updated_version', nextVersion);
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} else {
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console.log('No successful update');
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core.setOutput('updated', 'false');
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}
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// Output failed version
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for (const [key, value] of Object.entries(failedVersions)) {
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core.setOutput(key, value);
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}
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- name: Create issue for failed version verification
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if: steps.version-check.outputs.has_newer_versions == 'true' && steps.process-versions.outputs.updated != 'true'
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uses: actions/github-script@v7
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with:
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github-token: ${{ secrets.GITHUB_TOKEN }}
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script: |
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const nextVersion = process.env.NEXT_VERSION;
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console.log(`Creating issue for failed version: ${nextVersion}`);
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await github.rest.issues.create({
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owner: context.repo.owner,
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repo: context.repo.repo,
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title: `Emulator version update verification failed: ${nextVersion}`,
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body: `The verification of the next emulator version ${nextVersion} failed. Please check the [workflow run](${process.env.GITHUB_SERVER_URL}/${context.repo.owner}/${context.repo.repo}/actions/runs/${process.env.GITHUB_RUN_ID}) for details.`
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});
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env:
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NEXT_VERSION: ${{ steps.version-check.outputs.next_version }}
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- name: Create Pull Request
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if: steps.process-versions.outputs.updated == 'true'
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uses: peter-evans/create-pull-request@v6
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with:
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commit-message: "chore: update emulator version to ${{ steps.process-versions.outputs.updated_version }}"
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title: "chore: update emulator version to ${{ steps.process-versions.outputs.updated_version }}"
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body: |
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This PR updates the Cloud Spanner emulator version from ${{ steps.version-check.outputs.current_version }} to ${{ steps.process-versions.outputs.updated_version }}.
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This PR was automatically generated by the check-emulator-version workflow.
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branch: update-emulator-version
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base: master
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delete-branch: true

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