export build record and generate summary

.github/workflows/ci.yml

@@ -1344,3 +1344,26 @@ jobs:
         name: Check docker
         run: |
           docker image inspect localhost:5000/name/app:latest
+
+  disable-summary:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v4
+        with:
+          path: action
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+        with:
+          version: ${{ inputs.buildx-version || env.BUILDX_VERSION }}
+          driver-opts: |
+            image=${{ inputs.buildkit-image || env.BUILDKIT_IMAGE }}
+      -
+        name: Build
+        uses: ./action
+        with:
+          file: ./test/Dockerfile
+        env:
+          DOCKER_BUILD_NO_SUMMARY: true

README.md

@@ -37,6 +37,7 @@ ___
 * [Customizing](#customizing)
   * [inputs](#inputs)
   * [outputs](#outputs)
+  * [environment variables](#environment-variables)
 * [Troubleshooting](#troubleshooting)
 * [Contributing](#contributing)
 
@@ -256,6 +257,12 @@ The following outputs are available:
 | `digest`   | String  | Image digest          |
 | `metadata` | JSON    | Build result metadata |
 
+### environment variables
+
+| Name                      | Type | Description                                                                                                       |
+|---------------------------|------|-------------------------------------------------------------------------------------------------------------------|
+| `DOCKER_BUILD_NO_SUMMARY` | Bool | If `true`, [build summary](https://docs.docker.com/build/ci/github-actions/build-summary/) generation is disabled |
+
 ## Troubleshooting
 
 See [TROUBLESHOOTING.md](TROUBLESHOOTING.md)

src/context.ts

@@ -79,6 +79,25 @@ export async function getInputs(): Promise<Inputs> {
   };
 }
 
+export function sanitizeInputs(inputs: Inputs) {
+  const res = {};
+  for (const key of Object.keys(inputs)) {
+    if (key === 'github-token') {
+      continue;
+    }
+    const value: string | string[] | boolean = inputs[key];
+    if (typeof value === 'boolean' && value === false) {
+      continue;
+    } else if (Array.isArray(value) && value.length === 0) {
+      continue;
+    } else if (!value) {
+      continue;
+    }
+    res[key] = value;
+  }
+  return res;
+}
+
 export async function getArgs(inputs: Inputs, toolkit: Toolkit): Promise<Array<string>> {
   const context = handlebars.compile(inputs.context)({
     defaultContext: Context.gitContext()

src/main.ts

@@ -4,11 +4,14 @@ import * as stateHelper from './state-helper';
 import * as core from '@actions/core';
 import * as actionsToolkit from '@docker/actions-toolkit';
 
+import {Buildx} from '@docker/actions-toolkit/lib/buildx/buildx';
+import {History as BuildxHistory} from '@docker/actions-toolkit/lib/buildx/history';
 import {Context} from '@docker/actions-toolkit/lib/context';
 import {Docker} from '@docker/actions-toolkit/lib/docker/docker';
 import {Exec} from '@docker/actions-toolkit/lib/exec';
 import {GitHub} from '@docker/actions-toolkit/lib/github';
 import {Toolkit} from '@docker/actions-toolkit/lib/toolkit';
+import {Util} from '@docker/actions-toolkit/lib/util';
 
 import {ConfigFile} from '@docker/actions-toolkit/lib/types/docker/docker';
 
@@ -17,8 +20,10 @@ import * as context from './context';
 actionsToolkit.run(
   // main
   async () => {
+    const startedTime = new Date();
     const inputs: context.Inputs = await context.getInputs();
     core.debug(`inputs: ${JSON.stringify(inputs)}`);
+    stateHelper.setInputs(inputs);
 
     const toolkit = new Toolkit();
 
@@ -78,6 +83,7 @@ actionsToolkit.run(
     await core.group(`Builder info`, async () => {
       const builder = await toolkit.builder.inspect(inputs.builder);
       core.info(JSON.stringify(builder, null, 2));
+      stateHelper.setBuilder(builder);
     });
 
     const args: string[] = await context.getArgs(inputs, toolkit);
@@ -87,11 +93,12 @@ actionsToolkit.run(
     core.debug(`buildCmd.command: ${buildCmd.command}`);
     core.debug(`buildCmd.args: ${JSON.stringify(buildCmd.args)}`);
 
+    let err: Error | undefined;
     await Exec.getExecOutput(buildCmd.command, buildCmd.args, {
       ignoreReturnCode: true
     }).then(res => {
       if (res.stderr.length > 0 && res.exitCode != 0) {
-        throw new Error(`buildx failed with: ${res.stderr.match(/(.*)\s*$/)?.[0]?.trim() ?? 'unknown error'}`);
+        err = Error(`buildx failed with: ${res.stderr.match(/(.*)\s*$/)?.[0]?.trim() ?? 'unknown error'}`);
       }
     });
 
@@ -118,13 +125,75 @@ actionsToolkit.run(
         core.setOutput('metadata', metadatadt);
       });
     }
+    await core.group(`Reference`, async () => {
+      const ref = await buildRef(toolkit, startedTime, inputs.builder);
+      if (ref) {
+        core.info(ref);
+        stateHelper.setBuildRef(ref);
+      } else {
+        core.warning('No build ref found');
+      }
+    });
+    if (err) {
+      throw err;
+    }
   },
   // post
   async () => {
+    if (stateHelper.buildRef.length > 0) {
+      await core.group(`Generating build summary`, async () => {
+        if (process.env.DOCKER_BUILD_NO_SUMMARY && Util.parseBool(process.env.DOCKER_BUILD_NO_SUMMARY)) {
+          core.info('Summary disabled');
+          return;
+        }
+        if (stateHelper.builder && stateHelper.builder.driver === 'cloud') {
+          core.info('Summary is not yet supported with Docker Build Cloud');
+          return;
+        }
+        try {
+          const buildxHistory = new BuildxHistory();
+          const exportRes = await buildxHistory.export({
+            refs: [stateHelper.buildRef]
+          });
+          core.info(`Build record exported to ${exportRes.dockerbuildFilename} (${Util.formatFileSize(exportRes.dockerbuildSize)})`);
+          const uploadRes = await GitHub.uploadArtifact({
+            filename: exportRes.dockerbuildFilename,
+            mimeType: 'application/gzip',
+            retentionDays: 90
+          });
+          await GitHub.writeBuildSummary({
+            exportRes: exportRes,
+            uploadRes: uploadRes,
+            inputs: stateHelper.inputs
+          });
+        } catch (e) {
+          core.warning(e.message);
+        }
+      });
+    }
     if (stateHelper.tmpDir.length > 0) {
       await core.group(`Removing temp folder ${stateHelper.tmpDir}`, async () => {
         fs.rmSync(stateHelper.tmpDir, {recursive: true});
       });
     }
   }
 );
+
+async function buildRef(toolkit: Toolkit, since: Date, builder?: string): Promise<string> {
+  // get ref from metadata file
+  const ref = toolkit.buildxBuild.resolveRef();
+  if (ref) {
+    return ref;
+  }
+  // otherwise, look for the very first build ref since the build has started
+  if (!builder) {
+    const currentBuilder = await toolkit.builder.inspect();
+    builder = currentBuilder.name;
+  }
+  const refs = Buildx.refs({
+    dir: Buildx.refsDir,
+    builderName: builder,
+    since: since
+  });
+  return Object.keys(refs).length > 0 ? Object.keys(refs)[0] : '';
+}

src/state-helper.ts

@@ -1,7 +1,26 @@
 import * as core from '@actions/core';
 
+import {BuilderInfo} from '@docker/actions-toolkit/lib/types/buildx/builder';
+
+import {Inputs, sanitizeInputs} from './context';
+
 export const tmpDir = process.env['STATE_tmpDir'] || '';
+export const inputs = process.env['STATE_inputs'] ? JSON.parse(process.env['STATE_inputs']) : undefined;
+export const builder = process.env['STATE_builder'] ? <BuilderInfo>JSON.parse(process.env['STATE_builder']) : undefined;
+export const buildRef = process.env['STATE_buildRef'] || '';
 
 export function setTmpDir(tmpDir: string) {
   core.saveState('tmpDir', tmpDir);
 }
+
+export function setInputs(inputs: Inputs) {
+  core.saveState('inputs', JSON.stringify(sanitizeInputs(inputs)));
+}
+
+export function setBuilder(builder: BuilderInfo) {
+  core.saveState('builder', JSON.stringify(builder));
+}
+
+export function setBuildRef(buildRef: string) {
+  core.saveState('buildRef', buildRef);
+}