├── nodejs ├── .dockerignore ├── package.json ├── Dockerfile ├── index.js └── Makefile ├── java ├── .dockerignore ├── .gitignore ├── .project ├── src │ ├── test │ │ └── java │ │ │ └── com │ │ │ └── java │ │ │ └── samples │ │ │ └── AppTest.java │ └── main │ │ └── java │ │ └── com │ │ └── kolban │ │ └── run │ │ └── App.java ├── Dockerfile ├── Makefile └── pom.xml ├── python ├── .gitignore ├── .dockerignore ├── Dockerfile ├── app.py └── Makefile ├── docs └── architecture.png ├── README.md ├── Makefile └── LICENSE /nodejs/.dockerignore: -------------------------------------------------------------------------------- 1 | Dockerfile 2 | Makefile -------------------------------------------------------------------------------- /java/.dockerignore: -------------------------------------------------------------------------------- 1 | Dockerfile 2 | target 3 | Makefile -------------------------------------------------------------------------------- /python/.gitignore: -------------------------------------------------------------------------------- 1 | *.pyc 2 | *.pyo 3 | *.pyd 4 | __pycache__ -------------------------------------------------------------------------------- /java/.gitignore: -------------------------------------------------------------------------------- 1 | .classpath 2 | .settings 3 | .vscode 4 | target -------------------------------------------------------------------------------- /python/.dockerignore: -------------------------------------------------------------------------------- 1 | Dockerfile 2 | README.md 3 | *.pyc 4 | *.pyo 5 | *.pyd 6 | __pycache__ 7 | Makefile -------------------------------------------------------------------------------- /docs/architecture.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/kolban-google/shell-exec-cloud-run/HEAD/docs/architecture.png -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # shell-exec-cloud-run 2 | Execute a shell command within Cloud Run. 3 | 4 | This repository contains sample code for use in conjunction with the article on 5 | debugging Cloud Run applications by running shell commands within a Cloud Run container. 6 | 7 | ![Architecture](docs/architecture.png) -------------------------------------------------------------------------------- /python/Dockerfile: -------------------------------------------------------------------------------- 1 | FROM python:3.7 2 | 3 | # Copy local code to the container image. 4 | ENV APP_HOME /app 5 | WORKDIR $APP_HOME 6 | COPY . ./ 7 | 8 | # Install production dependencies. 9 | RUN pip install Flask gunicorn 10 | CMD exec gunicorn --bind :$PORT --workers 1 --threads 8 --timeout 0 app:app -------------------------------------------------------------------------------- /nodejs/package.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "cloud-run-exec-nodejs", 3 | "version": "1.0.0", 4 | "description": "Exec handler in node", 5 | "main": "index.js", 6 | "scripts": { 7 | "start": "node index.js" 8 | }, 9 | "author": "", 10 | "license": "Apache-2.0", 11 | "dependencies": { 12 | "express": "^4.16.4", 13 | "shelljs": "^0.8.4" 14 | } 15 | } -------------------------------------------------------------------------------- /Makefile: -------------------------------------------------------------------------------- 1 | all: 2 | @echo "clean - Clean all the projects" 3 | @echo "build - Build all the projects" 4 | @echo "deploy - Deploy all the projects" 5 | 6 | clean: 7 | cd java; make clean 8 | cd python; make clean 9 | cd nodejs; make clean 10 | 11 | build: 12 | cd java; make build 13 | cd python; make build 14 | cd nodejs; make build 15 | 16 | deploy: 17 | cd java; make deploy 18 | cd python; make deploy 19 | cd nodejs; make deploy -------------------------------------------------------------------------------- /java/.project: -------------------------------------------------------------------------------- 1 | 2 | 3 | Cloud-Run-Java 4 | 5 | 6 | 7 | 8 | 9 | org.eclipse.jdt.core.javabuilder 10 | 11 | 12 | 13 | 14 | org.eclipse.m2e.core.maven2Builder 15 | 16 | 17 | 18 | 19 | 20 | org.eclipse.jdt.core.javanature 21 | org.eclipse.m2e.core.maven2Nature 22 | 23 | 24 | -------------------------------------------------------------------------------- /nodejs/Dockerfile: -------------------------------------------------------------------------------- 1 | # Use the official Node.js 10 image. 2 | # https://hub.docker.com/_/node 3 | FROM node:10 4 | 5 | # Create and change to the app directory. 6 | WORKDIR /usr/src/app 7 | 8 | # Copy application dependency manifests to the container image. 9 | # A wildcard is used to ensure both package.json AND package-lock.json are copied. 10 | # Copying this separately prevents re-running npm install on every code change. 11 | COPY package.json package*.json ./ 12 | 13 | # Install production dependencies. 14 | RUN npm install --only=production 15 | 16 | # Copy local code to the container image. 17 | COPY . . 18 | 19 | # Run the web service on container startup. 20 | CMD [ "npm", "start" ] -------------------------------------------------------------------------------- /nodejs/index.js: -------------------------------------------------------------------------------- 1 | const express = require('express'); 2 | const shell = require('shelljs'); 3 | const util = require('util'); 4 | const bodyParser = require('body-parser'); 5 | 6 | const app = express(); 7 | 8 | app.use(bodyParser.text()); 9 | app.get('/', (req, res) => { 10 | console.log('Received a request.'); 11 | 12 | const target = process.env.TARGET || 'World'; 13 | res.send(`Hello ${target}!`); 14 | }); 15 | 16 | app.post('/exec', (req, res) => { 17 | const shellResp = shell.exec(req.body, { 18 | "timeout": 10*1000 19 | }); 20 | res.send(shellResp.stdout); 21 | }); 22 | 23 | const port = process.env.PORT || 8080; 24 | app.listen(port, () => { 25 | console.log(`Listening on port ${port}`); 26 | }); -------------------------------------------------------------------------------- /java/src/test/java/com/java/samples/AppTest.java: -------------------------------------------------------------------------------- 1 | package com.java.samples; 2 | 3 | import junit.framework.Test; 4 | import junit.framework.TestCase; 5 | import junit.framework.TestSuite; 6 | 7 | /** 8 | * Unit test for simple App. 9 | */ 10 | public class AppTest 11 | extends TestCase 12 | { 13 | /** 14 | * Create the test case 15 | * 16 | * @param testName name of the test case 17 | */ 18 | public AppTest( String testName ) 19 | { 20 | super( testName ); 21 | } 22 | 23 | /** 24 | * @return the suite of tests being tested 25 | */ 26 | public static Test suite() 27 | { 28 | return new TestSuite( AppTest.class ); 29 | } 30 | 31 | /** 32 | * Rigourous Test :-) 33 | */ 34 | public void testApp() 35 | { 36 | assertTrue( true ); 37 | } 38 | } 39 | -------------------------------------------------------------------------------- /java/Dockerfile: -------------------------------------------------------------------------------- 1 | # Use the official maven/Java 8 image to create a build artifact. 2 | # https://hub.docker.com/_/maven 3 | FROM maven:3.5-jdk-8-alpine as builder 4 | 5 | # Copy local code to the container image. 6 | WORKDIR /app 7 | COPY pom.xml . 8 | COPY src ./src 9 | 10 | # Build a release artifact. 11 | RUN mvn package -DskipTests 12 | 13 | # Use AdoptOpenJDK for base image. 14 | # It's important to use OpenJDK 8u191 or above that has container support enabled. 15 | # https://hub.docker.com/r/adoptopenjdk/openjdk8 16 | # https://docs.docker.com/develop/develop-images/multistage-build/#use-multi-stage-builds 17 | FROM adoptopenjdk/openjdk8:jdk8u202-b08-alpine-slim 18 | 19 | # Copy the jar to the production image from the builder stage. 20 | COPY --from=builder /app/target/*-with-dependencies.jar /app.jar 21 | 22 | # Run the web service on container startup. 23 | CMD ["java", "-Djava.security.egd=file:/dev/./urandom", "-jar", "/app.jar"] -------------------------------------------------------------------------------- /python/app.py: -------------------------------------------------------------------------------- 1 | import os 2 | import subprocess 3 | from flask import Flask, request, make_response 4 | 5 | print("Started...") 6 | app = Flask(__name__) 7 | 8 | @app.route('/') 9 | def func1(): 10 | print("Running") 11 | return "Hello World" 12 | 13 | @app.route('/exec', methods=['POST']) 14 | def route_exec(): 15 | command = request.data.decode('utf-8') 16 | try: 17 | completedProcess = subprocess.run(command, shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, timeout=10, universal_newlines=True) 18 | response = make_response(completedProcess.stdout, 200) 19 | response.mimetype = "text/plain" 20 | return response 21 | except subprocess.TimeoutExpired: 22 | response = make_response("Timedout", 400) 23 | response.mimetype = "text/plain" 24 | return response 25 | return "/exec" 26 | 27 | if __name__ == "__main__": 28 | app.run(debug=True, host="0.0.0.0", port=int(os.environ.get('PORT', 8080))) -------------------------------------------------------------------------------- /java/Makefile: -------------------------------------------------------------------------------- 1 | PROJECT_ID=$(shell gcloud config get-value core/project) 2 | all: 3 | @echo "build - Build the docker image" 4 | @echo "deploy - Deploy the image to Cloud Run" 5 | @echo "clean - Clean resoruces created in this test" 6 | @echo "call - Call the Cloud Run service" 7 | 8 | deploy: 9 | gcloud run deploy cloud-run-exec-java \ 10 | --image gcr.io/$(PROJECT_ID)/cloud-run-exec-java \ 11 | --max-instances 1 \ 12 | --platform managed \ 13 | --region us-central1 \ 14 | --no-allow-unauthenticated 15 | 16 | build: 17 | gcloud builds submit --tag gcr.io/$(PROJECT_ID)/cloud-run-exec-java 18 | 19 | clean: 20 | -gcloud container images delete gcr.io/$(PROJECT_ID)/cloud-run-exec-java --quiet 21 | -gcloud run services delete cloud-run-exec-java \ 22 | --platform managed \ 23 | --region us-central1 \ 24 | --quiet 25 | 26 | call: 27 | @echo "Calling Java Cloud Run service" 28 | @url=$(shell gcloud run services describe cloud-run-exec-java --format='value(status.url)' --region us-central1 --platform managed); \ 29 | token=$(shell gcloud auth print-identity-token); \ 30 | curl --request POST \ 31 | --header "Authorization: Bearer $$token" \ 32 | --header "Content-Type: text/plain" \ 33 | $$url/exec \ 34 | --data-binary "ps -ef" -------------------------------------------------------------------------------- /nodejs/Makefile: -------------------------------------------------------------------------------- 1 | PROJECT_ID=$(shell gcloud config get-value core/project) 2 | all: 3 | @echo "build - Build the docker image" 4 | @echo "deploy - Deploy the image to Cloud Run" 5 | @echo "clean - Clean resoruces created in this test" 6 | @echo "call - Call the Cloud Run service" 7 | 8 | deploy: 9 | gcloud run deploy cloud-run-exec-nodejs \ 10 | --image gcr.io/$(PROJECT_ID)/cloud-run-exec-nodejs \ 11 | --max-instances 1 \ 12 | --platform managed \ 13 | --region us-central1 \ 14 | --no-allow-unauthenticated 15 | 16 | build: 17 | gcloud builds submit --tag gcr.io/$(PROJECT_ID)/cloud-run-exec-nodejs 18 | 19 | clean: 20 | -gcloud container images delete gcr.io/$(PROJECT_ID)/cloud-run-exec-nodejs --quiet 21 | -gcloud run services delete cloud-run-exec-nodejs \ 22 | --platform managed \ 23 | --region us-central1 \ 24 | --quiet 25 | 26 | call: 27 | @echo "Calling Node-JS Cloud Run service" 28 | @url=$(shell gcloud run services describe cloud-run-exec-nodejs --format='value(status.url)' --region us-central1 --platform managed); \ 29 | token=$(shell gcloud auth print-identity-token); \ 30 | curl --request POST \ 31 | --header "Authorization: Bearer $$token" \ 32 | --header "Content-Type: text/plain" \ 33 | $$url/exec \ 34 | --data-binary "ps -ef" -------------------------------------------------------------------------------- /python/Makefile: -------------------------------------------------------------------------------- 1 | PROJECT_ID=$(shell gcloud config get-value core/project) 2 | all: 3 | @echo "build - Build the docker image" 4 | @echo "deploy - Deploy the image to Cloud Run" 5 | @echo "clean - Clean resoruces created in this test" 6 | @echo "call - Call the Cloud Run service" 7 | 8 | deploy: 9 | gcloud run deploy cloud-run-exec-python \ 10 | --image gcr.io/$(PROJECT_ID)/cloud-run-exec-python \ 11 | --max-instances 1 \ 12 | --platform managed \ 13 | --region us-central1 \ 14 | --no-allow-unauthenticated 15 | 16 | build: 17 | gcloud builds submit --tag gcr.io/$(PROJECT_ID)/cloud-run-exec-python 18 | 19 | clean: 20 | -gcloud container images delete gcr.io/$(PROJECT_ID)/cloud-run-exec-python --quiet 21 | -gcloud run services delete cloud-run-exec-python \ 22 | --platform managed \ 23 | --region us-central1 \ 24 | --quiet 25 | 26 | call: 27 | @echo "Calling Python Cloud Run service" 28 | @url=$(shell gcloud run services describe cloud-run-exec-python --format='value(status.url)' --region us-central1 --platform managed); \ 29 | token=$(shell gcloud auth print-identity-token); \ 30 | curl --request POST \ 31 | --header "Authorization: Bearer $$token" \ 32 | --header "Content-Type: text/plain" \ 33 | $$url/exec \ 34 | --data-binary "ps -ef" -------------------------------------------------------------------------------- /java/pom.xml: -------------------------------------------------------------------------------- 1 | 2 | 4.0.0 3 | com.kolban.run 4 | Cloud-Run-Java 5 | jar 6 | 1.0-SNAPSHOT 7 | Cloud-Run-Java 8 | http://maven.apache.org 9 | 10 | 11 | junit 12 | junit 13 | 3.8.1 14 | test 15 | 16 | 17 | org.eclipse.jetty 18 | jetty-server 19 | 9.4.30.v20200611 20 | 21 | 22 | commons-io 23 | commons-io 24 | 2.7 25 | 26 | 27 | 28 | 29 | 30 | org.apache.maven.plugins 31 | maven-jar-plugin 32 | 33 | 34 | 35 | com.kolban.run.App 36 | 37 | 38 | 39 | 40 | 41 | 42 | maven-assembly-plugin 43 | 44 | 45 | package 46 | 47 | single 48 | 49 | 50 | 51 | 52 | 53 | jar-with-dependencies 54 | 55 | 56 | 57 | com.kolban.run.App 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | -------------------------------------------------------------------------------- /java/src/main/java/com/kolban/run/App.java: -------------------------------------------------------------------------------- 1 | package com.kolban.run; 2 | 3 | import java.io.IOException; 4 | import java.util.concurrent.TimeUnit; 5 | 6 | import javax.servlet.ServletException; 7 | import javax.servlet.http.HttpServletRequest; 8 | import javax.servlet.http.HttpServletResponse; 9 | 10 | import org.apache.commons.io.IOUtils; 11 | import org.eclipse.jetty.server.Request; 12 | import org.eclipse.jetty.server.Server; 13 | import org.eclipse.jetty.server.handler.AbstractHandler; 14 | 15 | public class App extends AbstractHandler { 16 | public void handle(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response) 17 | throws IOException, ServletException { 18 | try { 19 | response.setContentType("text/html;charset=utf-8"); 20 | baseRequest.setHandled(true); 21 | String pathInfo = request.getPathInfo(); 22 | String method = request.getMethod(); 23 | if (pathInfo.equals("/exec") && method.equals("POST")) { 24 | String command = IOUtils.toString(request.getReader()); 25 | Process p = Runtime.getRuntime().exec(command); 26 | if (p.waitFor(10, TimeUnit.SECONDS)) { 27 | String stdoutString = IOUtils.toString(p.getInputStream(), "utf8"); 28 | response.setStatus(HttpServletResponse.SC_OK); 29 | response.getWriter().println(stdoutString); 30 | return; 31 | } 32 | p.destroy(); 33 | throw new Exception("Timed out running process"); 34 | } 35 | response.setStatus(HttpServletResponse.SC_OK); 36 | response.getWriter().println("

Hello World

"); 37 | } catch (Exception e) { 38 | response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR); 39 | response.getWriter().println(e.getMessage()); 40 | //e.printStackTrace(); 41 | } 42 | } 43 | 44 | public static void main(String[] args) throws Exception { 45 | int port; 46 | String portString = System.getenv("PORT"); 47 | if (portString == null) { 48 | System.out.println("No Port found!!"); 49 | portString = "8080"; 50 | // return; 51 | } 52 | 53 | port = Integer.parseInt(portString); 54 | System.out.println("Port is: " + port); 55 | Server server = new Server(port); 56 | server.setHandler(new App()); 57 | 58 | server.start(); 59 | server.join(); 60 | } 61 | } 62 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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