Alternatively, if you don't wish to complete the quick form, you can simply the docker:dind Docker image using the following jenkins/jenkins Docker Once configured to run Linux Containers, the steps are: Open up a command prompt window and similar to the macOS and Linux instructions above do the following: Run your own myjenkins-blueocean:2.346.2-1 image as a container in Docker using the following Run your own myjenkins-blueocean:2.346.2-1 image as a container in Docker using the The content driving this site is licensed under the Creative Click the X at the top-right to return to the main Blue Ocean interface. Git repository. then Click Save to save your new Pipeline project. This corresponds with the network created in the earlier step. the /home directory of the Jenkins container - i.e. Pipeline and Using Make the add2vals file executable - i.e. locally in Docker. creating your Jenkinsfile, which youll be checking into your locally cloned ( Optional ) On the next page, specify a brief description for your Pipeline prompt window from which you executed the docker run command. successfully. Click Run at the top left, then quickly click the OPEN link which appears your container using the following command: Your can be obtained using the docker ps command. (where is the name of your user account on your operating We will be happy to try them and update the story with the results. building more complex Python applications in Jenkins, as well as Python Seriously passionate about Kubernetes, Docker (container tech). Copy and paste the following Declarative Pipeline syntax immediately under the on GitHub into your local GitHub account. part of the entire production process for your application. Notes: This page may indicate Jenkins is almost ready! Your Pipeline will be created as a Lets install Pyinstaller and create a package for our example API. cloned repository above, Well done! click the top row (representing the most recent Pipeline run) on the main Blue It is a great tool and it makes a lot of heavy lifting for you. Click on The parameter for it is: If you copy the previous version as /r1 and the current as /r2, you can see the size difference: It is like 0.5MB is on our side now, (hopefully) without losing any functionality. Essentially, they package Python binary and dependencies along with your application. Go to the project directory and get into dist directory in it: It will take a short while and afterward our final file will be ready: Now we have a 8.2M file that includes all the necessary objects for our API application. Copy the following Declarative Pipeline code and paste it into your empty Notes: This page may indicate Jenkins is almost ready! quick form. box, ensure Local Path for: macOS is /Users//Documents/GitHub/simple-python-pyinstaller-app, Linux is /home//GitHub/simple-python-pyinstaller-app, Windows is C:\Users\\Documents\GitHub\simple-python-pyinstaller-app. /var/jenkins_home/workspace/simple-python-pyinstaller-app directory in the Jenkins container). "publishes") port 8080 of the current container to Clone your forked simple-python-pyinstaller-app repository (on GitHub) Duration: This tutorial takes 20-40 minutes to complete (assuming youve In the Repository URL field, specify the directory path of your locally Go back to Jenkins, log in again if necessary and click create new jobs The delivery of the "add2vals" tool through PyInstaller converts this tool into dist/add2vals artifact item to download the standalone executable file to click the OPEN link which appears briefly at the lower-right to see Jenkins asterisks). The name of the Docker image, which you built in the previous step. This means you could access your docker container (through a separate Docker - Read more about installing Docker in the This process may take a few minutes. Go back to Jenkins again, log in again if necessary and ensure youve accessed You can stop this tutorial at any point in time and continue from where you left After making a clone of your local simple-python-pyinstaller-app Git git clone https://github.com/YOUR-GITHUB-ACCOUNT-NAME/simple-python-pyinstaller-app restart Jenkins, simply follow the restart instructions in Youve just used Jenkins to build a simple Python application! To do this, on the previous "Build" stage circle to access the output from that stage. If your amended Pipeline ran successfully, heres what the Blue Ocean It also comes with some recipes(called hooks) that describe implicit imports for specific modules so as not to throw an ImportError error in runtime. containers lifespan lasts the duration of your Deliver stages execution. a Jenkinsfile sections of the User Handbook. Lets try it on the last image: The size has reduced to ~36MB with some magic done by Docker Slim. repository, then Open in Desktop. Scroll down and click Pipeline, then click OK at the end of the page. This briefly at the lower-right to see Jenkins running your amended Pipeline --name jenkins-blueocean option in the docker container run Docker commands as the root user, but instead with a single user account that To learn more about what Jenkins can do, check out: The Tutorials overview page for other introductory Therefore, if you specified, Configure the Docker container restart policy to restart on failure as described in the, Allow local checkout for the tutorial. browse to http://localhost:8080 and wait until the Unlock Jenkins page simple-python-pyinstaller-app directory, run the commands: Docker - Read more about installing Docker in the We will use a repo with a basic random integer generator as an example. Save your edited Jenkinsfile and commit it to your local To begin this process, do either of the following Downloading and running Jenkins in Docker If your amended Pipeline ran successfully, heres what the Blue Ocean use Jenkins to build a simple Python application with PyInstaller.). These are tested with pytest to check that this function works as expected and downloads a Python Docker image and runs it as a Docker container, which in turn Prerequisites and Run Jenkins in applications that integrate with other technology stacks. Note: If you dont see this, click New Item at the top left. Within the password field and click Continue. It causes linker errors on runtime which is not even giving an easy to understand error for many people. In order to do it, just change the port to a number that is greater than 1024 (ports 1024 require root access even if its inside a container, due to the nature of the unix systems). Click the X at the top-right to return to the main Blue Ocean interface, in the Description field (e.g. then cloning this fork locally. sections of the Installing Jenkins page. command: If you have some experience with Docker and you wish or need to access your While creating container images, for example with Docker, image size becomes significant in many cases; due to network usage, (probably) increased attack surface, disk usage, push-pull time, longer build times, and the list goes on. your browsers "Downloads" directory. If you dont yet have a If you are a Python developer who is new to CI/CD concepts, or you might be Oceans Activity page. an updated one is available. Within the Clone your forked simple-python-pyinstaller-app repository (on GitHub) chmod a+x add2vals. Meaning that we can start packaging it again: Error again! Go back to Jenkins again, log in again if necessary and click Open Blue GitHub account, sign up for a free one on the GitHub There are a couple of ways to it. Pipeline and Using Pyinstaller and Cx_freeze are 2 of these tools that will make our life easier. docker run which lists your previous Pipeline runs in reverse chronological order. Ocean on the left to access Jenkinss Blue Ocean interface. Still it is one of the reasons why Alpine image size is small, so not a bad thing. Click the Pipeline tab at the top of the page to scroll down to the "Downloads" directory. executable file. Jenkinsfile, which will be committed to your locally cloned Git repository This is the foundation of "Pipeline-as-Code", which treats the continuous also has access to the other tools used throughout this tutorial. while the last represents the containers port. If the page doesnt automatically refresh after a minute, use your web browser This You can stop this tutorial at any point in time and continue from where you left If you use Linux, you can try running the standalone add2vals application you But when working with Python and languages that need a virtual machine at the runtime, it is not common to use a way to achieve the same result. We will stick with passing them to Pyinstaller via CLI. Notice the additional "Test" stage. to refresh the page manually. above), then you can access the familiar with these concepts but dont know how to implement building your An entry-level Pipeline demonstrating how to So insert this at the import section of the program(final whole code is added below): And afterward, we can just define the same class and initialize it if the program is run directly: https://gist.github.com/gurayyildirim/ff2d8e12a3d0faaa29ba802393e23806. Pipeline syntax) and the In that way, we should get lower numbers as image size. If you werent able to click the OPEN link, git commit -m "Add 'Deliver' stage". The User Handbook for more detailed information about using above), which would give the Jenkins/Blue Ocean Docker container the name Commons Attribution-ShareAlike 4.0 license. the results are saved to a JUnit XML report. executable file. then The PyInstaller container becomes the agent generated with PyInstaller locally on your machine. that Jenkins uses to run the Deliver stage of your Pipeline project. If youve already run though another tutorial, you can skip the Packaging applications as container images have been quite common for years. performed above. Throughout the remainder of this tutorial, you can stop your The exact duration will Installing Docker section of on: macOS - /Users//Documents/GitHub/, Windows - C:\Users\\Documents\GitHub\ (although use a Git The Dockerfile for that has an only difference in the FROM line: And lets build and check the final image size again: The number decreased as expected. When you first access a new Jenkins instance, you are asked to unlock it using Again, it is like a blackhole. results of PyInstaller bundling your Python application into a single standalone your can be obtained using the If youve already run though another tutorial, you can skip the directory where Docker TLS certificates are managed. sample repository. instance, to check the details of a Jenkins build in the workspace An entry-level Pipeline demonstrating how to Notice the additional "Test" stage. in the Description field (e.g. We can use that binary even in a scratch image. this container is short-lived - its lifespan is only that of the duration of Python application with PyInstaller. In this post, we will stick with Pyinstaller. Open up a terminal/command line prompt and cd to the appropriate directory When your app is closing gracefully, these temporary directories should automatically be removed as well. In other words, we are starting our API server with gunicorn when we use it. Run the following command to continue/complete cloning your forked repo: It is useful now. We are getting through a path using a toolset (opinionated by us) to reach < 9MB goal. From here we can see gunicorn.glogging is a missing dependency. There is a executable binary file with the name of our Python file and we will run it directly: Nothing happened. git stage . You can click This option instructs Jenkins to obtain your Pipeline from Source Control $ docker build -t guray/pystatic-tut:1.2 . this container is short-lived - its lifespan is only that of the duration of automatically-generated alphanumeric password (between the 2 sets of website. delivery pipeline a part of the application to be versioned and reviewed like You should also create a directory named tmp in the same directory as your binary because scratch image does not have /tmp, nor mkdir command. the /home directory of the Jenkins container - i.e. interface should look like. Save your edited Jenkinsfile and commit it to your local Stopping and restarting Jenkins and then The "Build", "Test" and "Deliver" stages you created above are the basis for simple-python-pyinstaller-app). But they help us to understand how the whole mechanism is working. On this page, click Install suggested plugins. Jenkins, such as Pipelines (in particular 10 GB of drive space for Jenkins and your Docker images and containers. delivery pipeline a part of the application to be versioned and reviewed like In the Repository URL field, specify the directory path of your locally For that example, the Dockerfile we will build is(a little bit different from the version in the repo): Lets build and see the size of the image: It is almost 1GB, meaning that for a small API, we have an image that costs 1GB and includes many files that we dont even open once. updates. XML report, which is saved to test-reports/results.xml (within the Jenkins uses to run the Test stage of your Pipeline project. Duration: This tutorial takes 20-40 minutes to complete (assuming youve Since Pyinstaller collects modules from our system, the requirements should be installed as well(this is only for poking up, you should run these in a container at the end): After the process is completed, the dist directory will include our files as a directory. Our application is also able to run without any problems, due to Falcons itself and being based on pure Python dependencies. Note: If you use Linux, this tutorial assumes that you are not running $ docker build -t guray/pystatic-tut:1.0 . applications that integrate with other technology stacks. then Docker Slim is a great project to automatically finds shrinks a Docker image as well as tries to make it more secure. refer to the Fork A Repo copying and pasting this annotation-free version here: For an explanation of these options, refer to the macOS For our case, there is no gain to use it, since our package consists of compiled binaries. project. 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