Add exoframe-template-java package and setup auto prereleases for it

Author: yamalight

.github/workflows/prerelease.yml

@@ -109,3 +109,28 @@ jobs:
         run: npm publish --access public --tag next -w exoframe-recipe-ghost
         env:
           NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
+
+  publish-template-java:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          node-version: 18
+          cache: 'npm'
+          registry-url: 'https://registry.npmjs.org'
+      # get versions for currently published and local packages
+      - name: check versions
+        id: versions
+        run: |
+          echo "current=$(npm info exoframe-template-java@next version || echo 'no published package yet')" >> $GITHUB_OUTPUT
+          echo "new=$(npm info ./packages/exoframe-template-java version)" >> $GITHUB_OUTPUT
+      # install and publish if local version is not the same as published
+      - name: install
+        if: ${{ steps.versions.outputs.current != steps.versions.outputs.new }}
+        run: npm ci
+      - name: publish
+        if: ${{ steps.versions.outputs.current != steps.versions.outputs.new }}
+        run: npm publish --access public --tag next -w exoframe-template-java
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}

packages/exoframe-template-java/README.md

@@ -0,0 +1,7 @@
+# Java deployment template for exoframe
+
+Java deployment template for [Exoframe](https://github.com/exoframejs/exoframe).
+
+## Notes
+
+The template assumes your app is deployed via `app.jar` file and listens on port 80.

packages/exoframe-template-java/index.js

@@ -0,0 +1,67 @@
+// npm packages
+import { readdir, writeFile } from 'fs/promises';
+import { join } from 'path';
+
+const javaDockerfile = () =>
+  `FROM openjdk
+COPY . /usr/src/myapp
+WORKDIR /usr/src/myapp
+EXPOSE 80
+CMD java -jar app.jar`;
+
+export const name = 'java';
+
+// function to check if the template fits this recipe
+export async function checkTemplate({ tempDockerDir }) {
+  // if project already has dockerfile - just exit
+  try {
+    const filesList = await readdir(tempDockerDir);
+    return filesList.filter((file) => file.includes('.jar')).length > 0;
+  } catch (e) {
+    return false;
+  }
+}
+
+// function to execute current template
+export async function executeTemplate({ username, tempDockerDir, resultStream, util, docker }) {
+  try {
+    // generate dockerfile
+    const dockerfile = javaDockerfile();
+    const dfPath = join(tempDockerDir, 'Dockerfile');
+    await writeFile(dfPath, dockerfile, 'utf-8');
+    util.writeStatus(resultStream, { message: 'Deploying Java project..', level: 'info' });
+
+    // build docker image
+    const buildRes = await docker.build({ username, resultStream });
+    util.logger.debug('Build result:', buildRes);
+
+    // check for errors in build log
+    if (
+      buildRes.log
+        .map((it) => it.toLowerCase())
+        .some((it) => it.includes('error') || (it.includes('failed') && !it.includes('optional')))
+    ) {
+      util.logger.debug('Build log conains error!');
+      util.writeStatus(resultStream, { message: 'Build log contains errors!', level: 'error' });
+      resultStream.end('');
+      return;
+    }
+
+    // start image
+    const containerInfo = await docker.start(Object.assign({}, buildRes, { username, resultStream }));
+    util.logger.debug(containerInfo.Name);
+
+    // clean temp folder
+    await util.cleanTemp();
+
+    const containerData = docker.daemon.getContainer(containerInfo.Id);
+    const container = await containerData.inspect();
+    // return new deployments
+    util.writeStatus(resultStream, { message: 'Deployment success!', deployments: [container], level: 'info' });
+    resultStream.end('');
+  } catch (e) {
+    util.logger.debug('build failed!', e);
+    util.writeStatus(resultStream, { message: e.error, error: e.error, log: e.log, level: 'error' });
+    resultStream.end('');
+  }
+}

packages/exoframe-template-java/package.json

@@ -0,0 +1,21 @@
+{
+  "name": "exoframe-template-java",
+  "version": "1.0.0-pre-alpha.1",
+  "description": "Java deployment template for exoframe",
+  "main": "index.js",
+  "type": "module",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "Tim Ermilov <[email protected]> (http://codezen.net)",
+  "license": "MIT",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/exoframejs/exoframe.git"
+  },
+  "bugs": {
+    "url": "https://github.com/exoframejs/exoframe/issues"
+  },
+  "homepage": "https://github.com/exoframejs/exoframe#readme"
+}