Personal Growth Continuous Integration Paul Duvall Pdf


Wednesday, November 6, 2019

A practical guide for implementing Continuous Integration in .. [ Duvall] Continuous Integration Anti-Patterns by Paul Duvall. Duvall Paul M., Matyas Steve, Glover Andrew. Continuous Integration: Improving Software Quality and Reducing Risk. Файл формата pdf; размером 4,05 МБ. Добавлен пользователем trsl by Andrew Glover, Steve Matyas, Paul M. Duvall The key, as the authors show, is to integrate regularly and often using continuous integration (CI) practices.

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Continuous integration (CI) tools integrate code changes by auto- . According to Duvall et al. .. [9] Paul Duvall, Stephen M. Matyas, and Andrew Glover. Continuous Integration. Dave Matthews. Continuous Integration. Improving Software Quality and Reducing Risk. Paul M. Duvall. Paul M. Duvall - Continuous Integration: Improving Software Quality and Reducing Risk. Actions. Johannes Hofmeister added Paul M. Duvall - Continuous.

At one point a daily build was considered to be an ambitious target. Most projects I talk to now integrate many times a day. Oddly enough it seems that when you run into a painful activity, a good tip is to do it more often. One of the interesting things about Continuous Integration is how often people are surprised by the impact that it has.

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We often find people dismiss it as a marginal benefit, yet it can bring an entirely different feel to a project. There is a much greater sense of visibility, because problems are detected faster. Of course it isn't enough simply to say that you should integrate more frequently.

Behind that simple catch phrase is a bunch of principles and practices that can make continuous integration a reality. You can find much of this advice scattered in books and on the Internet and I'm proud to have helped add to this content myself , but you have to do the digging yourself. So I'm glad to see that Paul has gathered this information together into a cohesive book, a handbook for those that want to put together this best practice. Like any simple practice, there's lots of devil in the details.

Over the last few years we've learned a lot about those details and how to deal with them. Sending too much feedback, including to team members uninvolved with the build.

This is eventually treated like spam, which causes people to ignore messages. Expeditious Fixes Mistakes will happen and occasionally code will make it into master that breaks the build. The responsible pattern is to be ready to handle and resolve the problem immediately.

The worst possible way to handle a failure in a build is to ignore it, or expect it to be resolved in a future build. You should consider taking all the following steps: Fix Broken Builds Immediately - Although it is the team's responsibility, the developer who recently committed code must be involved in fixing the failed build. It is possible the problem was a result of a lack of knowledge, so it is a good idea to have a seasoned developer available to assist if needed.

Always Pull Master and Build - Developers should pull the latest code into their branch from master before pushing committed code. After pulling master into their own branch, they should run unit tests and build locally to ensure nothing pulled from master breaks their code.

Continuous Integration: Improving Software Quality and Reducing Risk

This also allows the developer a chance to fix conflicts that result from the merge before the merge gets to master. Developers should avoid pulling master into their own branch while it is broken. Development time could be wasted by other developers struggling with bad code that will be changed shortly.

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Pattern Fix build errors as soon as they occur. Anti-Patterns Allowing problems to stack up build entropy or waiting for them to be fixed in future builds. Developer Documentation The build process is an excellent opportunity to generate documentation for your source code.

Developers tend to dislike writing documentation manually, and keeping documentation up to date manually can be time-consuming. The preferred approach is to incorporate documentation into your code, and then having the build process generate documentation from the code. This keeps documentation up-to-date and does not create more work for the development team.

Pattern Generate developer documentation with builds based on checked-in source code.

Anti-Patterns Manually generating developer documentation. This is both a burdensome process and one in which the information becomes useless quickly because it does not reflect the checked-in source code.

Section 5 Build Configuration Independent Build Builds should happen the same way on all machines that run them.

Continuous Integration: Improving Software Quality and Reducing Risk

A build on a developer machine should run the same procedure as the CI server. Therefore, train developers to not use the IDE build process. Every project should include its own build scripts so it can be built from anywhere it is being worked on.

These build scripts will be executed by a CI system as well so that software is built at every change. Build cannot run from the command line. Single Command Running a project build should be as simple as possible.Andrew Glover, presid.

Everything goes through the same single CLI command. Book details Author: This lets the build process create the project on as many different machines as possible. Oddly enough it seems that when you run into a painful activity, a good tip is to do it more often. This should include development machines, build machines, testing machines, testing servers, and QA machines. With Safari, you learn the way you learn best. Late Discovery of Defects Scenario:

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