Jenkins

Jenkins

DevOps / Build, Test, Deploy / Continuous Integration

Decision about GitHub, nginx, ESLint, AVA, Semantic UI React, Redux, React, PostgreSQL, ExpressJS, Node.js, FeathersJS, Heroku, Amazon EC2, Kubernetes, Jenkins, Docker Compose, Docker, Frontend, Stack, Backend, Containers, Containerized

Avatar of jordandenison

Recently I have been working on an open source stack to help people consolidate their personal health data in a single database so that AI and analytics apps can be run against it to find personalized treatments. We chose to go with a #containerized approach leveraging Docker #containers with a local development environment setup with Docker Compose and nginx for container routing. For the production environment we chose to pull code from GitHub and build/push images using Jenkins and using Kubernetes to deploy to Amazon EC2.

We also implemented a dashboard app to handle user authentication/authorization, as well as a custom SSO server that runs on Heroku which allows experts to easily visit more than one instance without having to login repeatedly. The #Backend was implemented using my favorite #Stack which consists of FeathersJS on top of Node.js and ExpressJS with PostgreSQL as the main database. The #Frontend was implemented using React, Redux.js, Semantic UI React and the FeathersJS client. Though testing was light on this project, we chose to use AVA as well as ESLint to keep the codebase clean and consistent.

15 upvotes·62.3K views

Decision about Amazon EC2, LXC, CircleCI, Docker, Git, Vault, Apache Maven, Slack, Jenkins, TeamCity, Logstash, Kibana, Elasticsearch, Ansible, VirtualBox, Vagrant

Avatar of Puciek
Devops guy at X20X Development LTD ·

Often enough I have to explain my way of going about setting up a CI/CD pipeline with multiple deployment platforms. Since I am a bit tired of yapping the same every single time, I've decided to write it up and share with the world this way, and send people to read it instead ;). I will explain it on "live-example" of how the Rome got built, basing that current methodology exists only of readme.md and wishes of good luck (as it usually is ;)).

It always starts with an app, whatever it may be and reading the readmes available while Vagrant and VirtualBox is installing and updating. Following that is the first hurdle to go over - convert all the instruction/scripts into Ansible playbook(s), and only stopping when doing a clear vagrant up or vagrant reload we will have a fully working environment. As our Vagrant environment is now functional, it's time to break it! This is the moment to look for how things can be done better (too rigid/too lose versioning? Sloppy environment setup?) and replace them with the right way to do stuff, one that won't bite us in the backside. This is the point, and the best opportunity, to upcycle the existing way of doing dev environment to produce a proper, production-grade product.

I should probably digress here for a moment and explain why. I firmly believe that the way you deploy production is the same way you should deploy develop, shy of few debugging-friendly setting. This way you avoid the discrepancy between how production work vs how development works, which almost always causes major pains in the back of the neck, and with use of proper tools should mean no more work for the developers. That's why we start with Vagrant as developer boxes should be as easy as vagrant up, but the meat of our product lies in Ansible which will do meat of the work and can be applied to almost anything: AWS, bare metal, docker, LXC, in open net, behind vpn - you name it.

We must also give proper consideration to monitoring and logging hoovering at this point. My generic answer here is to grab Elasticsearch, Kibana, and Logstash. While for different use cases there may be better solutions, this one is well battle-tested, performs reasonably and is very easy to scale both vertically (within some limits) and horizontally. Logstash rules are easy to write and are well supported in maintenance through Ansible, which as I've mentioned earlier, are at the very core of things, and creating triggers/reports and alerts based on Elastic and Kibana is generally a breeze, including some quite complex aggregations.

If we are happy with the state of the Ansible it's time to move on and put all those roles and playbooks to work. Namely, we need something to manage our CI/CD pipelines. For me, the choice is obvious: TeamCity. It's modern, robust and unlike most of the light-weight alternatives, it's transparent. What I mean by that is that it doesn't tell you how to do things, doesn't limit your ways to deploy, or test, or package for that matter. Instead, it provides a developer-friendly and rich playground for your pipelines. You can do most the same with Jenkins, but it has a quite dated look and feel to it, while also missing some key functionality that must be brought in via plugins (like quality REST API which comes built-in with TeamCity). It also comes with all the common-handy plugins like Slack or Apache Maven integration.

The exact flow between CI and CD varies too greatly from one application to another to describe, so I will outline a few rules that guide me in it: 1. Make build steps as small as possible. This way when something breaks, we know exactly where, without needing to dig and root around. 2. All security credentials besides development environment must be sources from individual Vault instances. Keys to those containers should exist only on the CI/CD box and accessible by a few people (the less the better). This is pretty self-explanatory, as anything besides dev may contain sensitive data and, at times, be public-facing. Because of that appropriate security must be present. TeamCity shines in this department with excellent secrets-management. 3. Every part of the build chain shall consume and produce artifacts. If it creates nothing, it likely shouldn't be its own build. This way if any issue shows up with any environment or version, all developer has to do it is grab appropriate artifacts to reproduce the issue locally. 4. Deployment builds should be directly tied to specific Git branches/tags. This enables much easier tracking of what caused an issue, including automated identifying and tagging the author (nothing like automated regression testing!).

Speaking of deployments, I generally try to keep it simple but also with a close eye on the wallet. Because of that, I am more than happy with AWS or another cloud provider, but also constantly peeking at the loads and do we get the value of what we are paying for. Often enough the pattern of use is not constantly erratic, but rather has a firm baseline which could be migrated away from the cloud and into bare metal boxes. That is another part where this approach strongly triumphs over the common Docker and CircleCI setup, where you are very much tied in to use cloud providers and getting out is expensive. Here to embrace bare-metal hosting all you need is a help of some container-based self-hosting software, my personal preference is with Proxmox and LXC. Following that all you must write are ansible scripts to manage hardware of Proxmox, similar way as you do for Amazon EC2 (ansible supports both greatly) and you are good to go. One does not exclude another, quite the opposite, as they can live in great synergy and cut your costs dramatically (the heavier your base load, the bigger the savings) while providing production-grade resiliency.

11 upvotes·2 comments·87.9K views

Decision at SalesAutopilot Kft. about AWS CodePipeline, Jenkins, Docker, vuex, Vuetify, Vue.js, jQuery UI, Redis, MongoDB, MySQL, Amazon Route 53, Amazon CloudFront, Amazon SNS, Amazon CloudWatch, GitHub

Avatar of gykhauth
CTO at SalesAutopilot Kft. ·

I'm the CTO of a marketing automation SaaS. Because of the continuously increasing load we moved to the AWSCloud. We are using more and more features of AWS: Amazon CloudWatch, Amazon SNS, Amazon CloudFront, Amazon Route 53 and so on.

Our main Database is MySQL but for the hundreds of GB document data we use MongoDB more and more. We started to use Redis for cache and other time sensitive operations.

On the front-end we use jQuery UI + Smarty but now we refactor our app to use Vue.js with Vuetify. Because our app is relatively complex we need to use vuex as well.

On the development side we use GitHub as our main repo, Docker for local and server environment and Jenkins and AWS CodePipeline for Continuous Integration.

11 upvotes·43.7K views

Decision at Grupo Movile about Jenkins, Slack

Avatar of movilebr

Se você é um Desenvolvedor Android, sabe como é importante ter um bom ambiente de CI (Integração Contínua) disponível para automatizar tarefas e economizar seu precioso tempo. É ainda mais necessário se você estiver trabalhando em muitos projetos, com diferentes tipos de builds e sua equipe for muito pequena. Neste contexto, que tal ter um amigo robótico que você pode pedir uma build apenas enviando uma mensagem curta, e ainda ser notificado pelo Slack quando estiver pronta?

Bem, parece promissor e é mais fácil do que você imagina! O objetivo deste artigo é mostrar como você pode criar facilmente um Bot Slack para solicitar builds para o seu servidor de CI Jenkins. Vamos lá?

9 upvotes·8.5K views

Decision about Jenkins

Avatar of blackpioter

I'd recommend to go with Jenkins .

It allows a lot of flexibility and additional plugins that provide extra features, quite often not possible to find elsewhere unless you want to spend time on providing that by yourself.

One of key features are pipelines that allow to easily chain different jobs even across different repos / projects.

The only downside is you have to deploy it by yourself.

7 upvotes·13K views

Decision at AT Computing about Python, Chef, Puppet Labs, Ansible, Google Compute Engine, Kubernetes, Docker, GitHub, VirtualBox, Jenkins, Visual Studio Code, Fedora, Red Hat Enterprise Linux, Debian, Centos, Ubuntu, Linux, ATComputing

Avatar of mckornegoor
CTO at AT Computing ·

Since #ATComputing is a vendor independent Linux and open source specialist, we do not have a favorite Linux distribution. We mainly use Ubuntu , Centos Debian , Red Hat Enterprise Linux and Fedora during our daily work. These are also the distributions we see most often used in our customers environments.

For our #ci/cd training, we use an open source pipeline that is build around Visual Studio Code , Jenkins , VirtualBox , GitHub , Docker Kubernetes and Google Compute Engine.

For #ServerConfigurationAndAutomation, we have embraced and contributed to Ansible mainly because it is not only flexible and powerful, but also straightforward and easier to learn than some other (open source) solutions. On the other hand: we are not affraid of Puppet Labs and Chef either.

Currently, our most popular #programming #Language course is Python . The reason Python is so popular has to do with it's versatility, but also with its low complexity. This helps sysadmins to write scripts or simple programs to make their job less repetitive and automating things more fun. Python is also widely used to communicate with (REST) API's and for data analysis.

5 upvotes·29K views

Decision at Scrayos UG (haftungsbeschränkt) about Jenkins, GitLab Pages, GitLab, GitLab CI

Avatar of Scrayos
CEO at Scrayos UG (haftungsbeschränkt) ·

We use GitLab CI because of the great native integration as a part of the GitLab framework and the linting-capabilities it offers. The visualization of complex pipelines and the embedding within the project overview made Gitlab CI even more convenient. We use it for all projects, all deployments and as a part of GitLab Pages.

While we initially used the Shell-executor, we quickly switched to the Docker-executor and use it exclusively now.

We formerly used Jenkins but preferred to handle everything within GitLab . Aside from the unification of our infrastructure another motivation was the "configuration-in-file"-approach, that Gitlab CI offered, while Jenkins support of this concept was very limited and users had to resort to using the webinterface. Since the file is included within the repository, it is also version controlled, which was a huge plus for us.

5 upvotes·10.3K views

Decision at WeWork about AWS EC2, Docker, Jenkins

Avatar of stackbot

Following an EC2 outage in June of 2017, the WeWork team began exploring ways to scale their infrastructure while keeping things engineer-friendly.

The began dockerizing their services, using docker-compose to connect dependencies to the docker network and backend services. Jenkinsfile were added to each git repo, and Jenkins created docker [binary] images that were stored in JFrog Artifactory.

CloudFormation configuration files were created to deploy the docker images, with shell scripts handling basic tasks. In this configuration, it became possible to spin-up ECS services and tasks by definition.

The team created Environment Templates for ECS clusters, allowing services to live within environments (ECS Clusters) such as development, qa and production, and for docker images to be promoted between them.

5 upvotes·121 views

Decision at Fresha Engineering about Logentries, Sentry, AppSignal, New Relic, GitHub, Git, Jenkins, CircleCI

Avatar of liveweird
CTO at Shedul/Fresha ·

Regarding Continuous Integration - we've started with something very easy to set up - CircleCI , but with time we're adding more & more complex pipelines - we use Jenkins to configure & run those. It's much more effort, but at some point we had to pay for the flexibility we expected. Our source code version control is Git (which probably doesn't require a rationale these days) and we keep repos in GitHub - since the very beginning & we never considered moving out. Our primary monitoring these days is in New Relic (Ruby & SPA apps) and AppSignal (Elixir apps) - we're considering unifying it in New Relic , but this will require some improvements in Elixir app observability. For error reporting we use Sentry (a very popular choice in this class) & we collect our distributed logs using Logentries (to avoid semi-manual handling here).

4 upvotes·28K views

Decision about Jenkins

Avatar of gitDylanHub
Senior Developer ·

Jenkins "serves" it's purpose. The plugins available for Jenkins is extensive and is the real gold medal. Jenkins

2 upvotes·570 views