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Monthly Snap April 2019

von | Mai 7, 2019 | , , ,

Springtime in Nuremberg! In this month of Easter-eggs and chocolate bunnies our colleagues wrote about various interesting subjects. You missed some of these? Just click the links below!

No Aprils fools at NETWAYS!

Nicole started the month with a post from the NETWAYS shop on the Expert Sensor Box von GUDE, with which you can monitor your infrastructure. Alerts are sent by E-Mail if the temperature, the humidity or the air pressure deviates from your set limits.
A week later Nicole presented the Expert Net Control von Gude. A bigger monitoring system which can also monitor water leaks and detect smoke.
The summer can really cause damage to your data center. Rising temperatures and higher humidity need to be reined in. Nicole explained how the NETWAYS Monitor alerts you if needed in her blog Der Sommer kommt!
Our apprentice Tobias visited our shop for a week and had a look at some of our products. In his blogpost Und der Sommer kommt immer noch! he presented the Ares 12 von HW group, with which you can monitor not only the usual temperature and humidity, but among others also wind strength! Last month Henrik wrote about testing Tinkerforge. Now Nicole offers it in the NETWAYS Shop: RackMonitoring Kits von TinkerForge! The brick-based system can be extended individually to meet your Needs.

Why should you attend a conference?

Julia keeps giving us reasons to attend the OSDC. In her Blog Series 17 reasons why you should join OSDC. In April reasons number 12-14 were quite convincing! But that was not all! Check out OSDC: DevOps Culture meets Technology for more information about talks on DevOps at the upcoming conference!
Meanwhile Keya keeps showing us highlights from last year’s OSMC in her series OSMC | Take a glance back… Whether you missed some of the talks or the entire conference, these highlights remind us why attending the OSMC is such a great idea! Which leads us to Julia’s call for papers for OSMC 2019.
Get on stage! Have you already gotten a ticket for the OSCamp on Ansible? Julia finally revealed: Agenda out now! And Pamela made sure we all knew what we would miss if we didn`t register for the OSCamp on Ansible in her post Sign up for ANSIBLE Automation

Developers developing!

Marius shared his experience on different tools which are helpful if working with Finder Mac Helper: Finder
Did you read Verschachtelte Listen mit Sortable.js? Johannes let us take part in his obstacle-filled journey. Michael wrote the most thorough blog of the month: Modern C++ programming: Coroutines with Boost.

Consultants consulting!

How To: Director Import #1 Max showed us how to import with the director using the Fileshipper CSV import. David took a look at the Terraform Changes, as version 0.12.0-beta 1 was due.

Junior consultants consulting!

Our apprentices Aleksander and Philipp were also busy consulting us!
Philipp taught us i-doit API Ruby-Scripting and Aleksander let us know basics on SSL/TLS certificates. SSL/TLS Zertifikate für die Nutzung im internen Netz (Apache)

NWS – Quick and dirty?

Gabriel showed how to easily set up a GitLab Runner VM per CLI in OpenStack Quick and Dirty: OpenStack + CoreOS + GitLab Runner

Stay tuned on netways.de/blog/

Catharina Celikel
Catharina Celikel
Office Manager
Catharina unterstützt seit März 2016 unsere Abteilung Finance & Administration. Die gebürtige Norwegerin ist Fremdsprachenkorrespondentin für Englisch. Als Office Manager kümmert sie sich deshalb nicht nur um das Tagesgeschäft sondern übernimmt nebenbei zusätzlich einen Großteil der Übersetzungen. Privat ist der bekennende Bücherwurm am liebsten mit dem Fahrrad unterwegs.
Lies mehr von Catharina und triff unser Team

17 reasons why you should join OSDC | no.15

von | Apr 27, 2019 | ,

This entry is part 15 of 17 in the series OSDC | 17 Reasons
  • Have your ever wondered why GitLab is so famous?
  • Or why it is easy to use while still being such a feature-rich application?
  • And how you can take a fast start with a new idea?

Then you should watch this talk by Gabriel Hartmann & Nicole Lang from 2018!

YouTube player

OSDC will upgrade you to the next level. Don’t miss 2019. Grab your ticket now!

Join us at OSDC and get to know the most innovative strategies, forward-looking developments and newest perspectives in dealing with complex infrastructures!

Tickets and more at osdc.de.

Ich habe einen iX-Artikel für Dich: GitLab, GitLab, GitLab

von | Mrz 21, 2019 | , ,

Servus zusammen,

Dinge die man selbst gelernt hat, anderen Leuten beizubringen und helfend beiseite zu stehen, ist ein echt gutes Gefühl. Bei mir zieht sich das seit vielen Jahren durch die Icinga Community, einer der schönsten weil überraschensten Momente war wohl das Foto als „Danke“ auf dem Icinga Camp Berlin 2019. Dann kommt noch dazu, dass ich sehr gerne Dokumentation schreibe, oder einfach alles aufschreibe, was ich irgendwann mal brauchen könnte. Und vielleicht jemand anders, der mal meinen Job macht, und ich mich neuen Aufgaben widmen kann. Nach den ersten Gehversuchen mit der Icinga-Schulung (2.x natürlich ;)) haben das nunmehr meine Kollegen übernommen, und meistern die Wissensvermittlung mit Bravour. Wir Entwickler sorgen dann in unseren Releases dafür, dass auch ihnen nicht langweilig wird 🙂

Ich für mich habe aber auch festgestellt, dass man nicht nur „das eine“ machen soll und auch kann, sondern immer „über den Tellerrand“ schauen sollte. Und so kams, dass ich auf meiner ersten OSDC 2013 keinen Dunst von Puppet, Elastic, Graphite, Container-Plattformen oder CI/CD hatte. Auch die Jahre danach waren hart, und meine Kollegen durften mir viel erklären, etwa Ceph und OpenStack. Jetzt nach vielen Jahren hilft mir dieses Wissen in meiner tagtäglichen Arbeit, und auf eine gewisse Art und Weise bin ich stolz, wenn mich meine Kollegen und Freunde nach Themen fragen, die nicht unmittelbar mit Icinga zu tun haben.

Dann gibts da noch Git, die schwarze Magie der Entwickler. 2004 in Hagenberg hab ich meinen VHDL-Code noch in CVS eingecheckt, 2009 .at-DNS-Zonen-Files nach SVN geschoben und irgendwann dank Icinga auch Git gesehen. Um gleich mal mit „force push“ den Master zu zerstören – aller Anfang ist schwer. Seitdem ist viel passiert, und irgendwie hat jeder einen Git-Kniff, der gerne ausgetauscht wird. Die Nachfrage nach einer Schulung, seitens DEV (Kurzform für unsere Development-Abteilung), wurde immer größer und so wurde vor knapp 2,5 Jahren die Git-Schulung aus dem Boden gestampft.

Seither hat sich einiges getan, und wir haben unsere Open-Source-Entwicklung vollständig auf GitHub migriert, sowohl Icinga als auch NETWAYS. Aus dem vormaligen self-hosted Gitorious wurde dann mal ein GitLab, und mit jedem Release kam etwas neues dazu. GitLab verwenden wir an vielen Stellen – intern fürs Infrastrukturmanagement, betreut von MyEngineer im Hosting, als App in NWS und natürlich für Kunden und interne Projekte auf git.netways.de und git.icinga.com. Die Möglichkeiten, die einem CI mit den Runnern bietet, sowie den Merge-Request-Workflow haben wir seitdem bei uns stetig etabliert und ausgebaut.

All diese Erfahrungen aus der Praxis, und die tagtägliche Arbeit lassen wir in die neu gestaltete GitLab-Schulung einfliessen. Im Vortrag von Nicole und Gabriel auf der OSDC 2018 habe ich dann auch endlich mal Auto-DevOps verstanden und die Web IDE besser kennen gelernt. All das und noch viel mehr erzähle ich Schulungsteilnehmern im Kesselhaus und freu mich über die gemeinsamen Lernerfolge.

© 2019 Heise Medien GmbH & Co. KG

Doch damit hats nicht aufgehört – nachdem ich letztes Jahr für die IX einen Artikel zu IoT-Monitoring rund um Icinga, Elastic, Graylog und MQTT schreiben durfte, hab ich auch GitLab mit Golang in den Raum geworfen. Es ist ein bisserl Zeit ins Land gegangen, und ich hab dank IcingaDB auch mehr Golang gelernt. Im neuen Jahr hab ich eine GitLab-Schulung gehalten, und mich am Wochenende drauf hingesetzt und für die aktuelle iX 04/19 einen Artikel über GitLab und CI/CD geschrieben. Und auch vorab die GitHub Actions evaluiert, wo ich netterweise einen Invite habe 🙂

Wer mich kennt, weiss, dass ich endlos schreiben und reden kann über Dinge, die mir Spass machen. So empfehle ich Dir zur Lektüre auch einige Kaffee-Tassen (und falls vorhanden: Dragee-Keksi). Soferns dann noch offene Fragen gibt, komm einfach auf uns zu – egal ob Workshops, Schulungen oder Consulting, wir kriegen das hin, dass Dein GitLab genauso schnurrt wie unseres 🙂

Bevor ich es vergesse, auf der OSMC 2019 mach ich einen GitLab-Workshop rund um DevOps-Workflows und CI. Die Zeit vergeht eh so schnell – gleich anmelden 😉

Wir lesen uns – Icinga 2.11 wartet und nächste Woche ist Henrik aus der Schule wieder da. „Mein“ Azubi der in die Welt von Icinga Core eintauchen darf, ich werd alt ❤️

 

 

A peek into GitLab 11, the Web IDE and Auto DevOps with Kubernetes

von | Jun 28, 2018 | , ,

GitLab 11 was just released last week and introduces a bunch of new features. I’ve picked the most exciting ones for a short peek as our hosted production environment was already upgraded by Stefan 🙂
 

Web IDE

You can already add and edit files directly in your browser. Dirk mentioned this in his blog post, it motivates open source contributors to enhance the documentation. For larger changes we are used to fire up an IDE like Visual Studio, JetBrains Goland, PHPStorm, Atom, Eclipse, etc.
Sometimes you don’t need a full blown IDE, or you don’t have access to on your mobile device. It would be nice to have immediate results from build, compile and test stages, best in an isolated (container) environment.
The newly introduced GitLab Web IDE attempts to become a new player in the field. On the right you can already see the current pipeline job status from the latest commit. Once we’ve edited the file, we can commit (and push at once) and the CI will trigger a new job run. Just awesome!

In its current implementation, the IDE is accessible from files view only, but the roadmap proves that there’s more to come on project creation. Just type t in the main project view and search for a specific file. Then pick Web IDE from the upper left bullets and rock on. There is syntax highlighting and code auto-completion included ❤️


 
 

Auto DevOps with Kubernetes

Our vision is to replace disparate DevOps toolchains with a single integrated application that is pre-configured to work by default across the complete DevOps lifecycle.

Auto DevOps enables your CI/CD workflow to advance even further with pipeline container environments built on Kubernetes. GitLab provides its own Kubernetes integration, accompanied with default templates for projects and build pipelines. This isn’t limited to build, test, deploy stages but also includes a variety of additional stages:

  • Build and Test
  • Code Quality checks
  • Static Application Security Testing (SAST), Dynamic Application Security Testing (DAST), Dependency and container scanning for vulnerabilities
  • Review Apps, deploy current state to temporary application environment in Kubernetes (optional)
  • Deploy to Kubernetes production environment (optional)
  • Monitoring for fetching deployment metrics from the Kubernetes cluster via Prometheus exporter (optional)


 
You can see the changes inside the menu where Operations was introduced and provides settings for environments and Kubernetes integration. This was previously found in the CI/CD section. A Kubernetes cluster can be assigned to a specific project, you can safely play and test without harming a global environment.
Nicole and Gabriel shared more insights into GitLab 11 features in their OSDC talk on „Git things done with GitLab!“. Check the archive for a live demo especially on the Auto DevOps feature, first time I fully understood its purpose 🙂
 

Notable Changes

In terms of roles, GitLab renamed „Master“ to „Maintainer“.

GitLab also decided to release the „Squash and Merge“ option into the Open source edition. This feature allows you to develop a merge request in multiple commits, and upon merge back to master, it will automatically squash the commits into a single one. Want to learn more about git squash? We’ve got you covered in our GitLab training 🙂


I really hope that GitLab will also open-source Merge request approvals in future releases. This is something which we use for code review and release managed on GitHub on a daily basis and would enhance our GitLab flow too.
Still not enough? I’d love to talk GitLab with you in our upcoming training sessions, including the best development workflows from our daily work 🙂

The Future of Open Source Data Center Solutions – OSDC 2018 – Day 2

von | Jun 13, 2018 | , , ,

The evening event was a great success. While some enjoyed the great view from the Puro Skybar, others liked the food and drinks even more and at least I preferred the networking. I joined some very interesting discussions about very specific Information Technology tools, work life balance, differences between countries and cultures and so on. So thanks to all starting with our event team to the attendees for a great evening.
But also a great evening and a short night did not keep me and many others from joining Walter Gildersleeve for the first talk about „Puppet and the Road to Pervasive Automation“. He introduced the new tools from Puppet to improve the Configuration management experience like Puppet Discovery, Pipelines and Tasks. What I liked about his demos about Tasks was that he was showing of course what the Enterprise version could do, but also what the Open Source version is capable of. Pipelines is Puppet’s CI/CD solution which can be used as SaaS or on premise and at least I have to commit it looks very nice and informative. If you want to give it a try, you can sign up for a free account and test it with a limited number of nodes.
Second one today was Matt Jarvis with his talk „From batch to pipelines – why Apache Mesos and DC/OS are a solution for emerging patterns in data processing“. Like several others he started with the history from mainframes via hardware partitioning and virtualization to microservices running in containers. After this introduction he started to dig deeper into Container Orchestration and changes in modern application design which add complexity which they wanted to solve with Mesos. Matt then has given a really good overview on different aspects of the Mesos ecosystem and DC/OS. This being quite a complex topic a list of all the topics covered would be quite exhaustive list, but just to mention some he covered Service Discovery or Load Balancing for example.
Michael Ströder who I know as great specialist for secure authentication by working with him at one customer in the past introduced „Æ-DIR — Authorized Entities Directory“ to the crowd. You already could see his experience when he was talking about goals and paradigms applied during development which resulted in the 2-tier architecture of Æ-DIR consisting of a writable provider and readable consumer with separated access based on roles. Installation is quite easy with a provided Ansible role and results in a very secure setup which I really like for central service like Authentication. The shown customer scenarios using features like SSH proxy authz and two factor authentication with Yuibkey make Æ-DIR sound like a really production ready solution. If you want to have a look into without installing it, a demo is provided on the projects webpage.
First talk after lunch was „Git Things Done With GitLab!“ by my colleagues Gabriel Hartmann and Nicole Lang about Gitlab and why it was chosen by NETWAYS for inclusion in our Webservices. Nicole gave a very good explanation about basic function which Gabriel showed live in a demo followed by a cherry pick of nice features provided by Gitlab. Also these features like Issue tracker and CI/CD were shown live. I was really excited by the beta of AutoDevops which allows you to get CI/CD up and running very easy.
Thomas Fricke’s talk „Three Years Running Containers with Kubernetes in Production“ was a very good talk about things you should know before moving container and container orchestration into production. But while it was a interesting talk I had to prepare for my own because I was giving the last talk of the day about „Katello: Adding content management to Foreman“ which was primarily demos showing all the basic parts.
It was a great conference again this year, I really want to thank all the speakers, attendees and sponsors who made this possible. I am looking forward for more interesting and even more technical talks at the Open Source Camp tomorrow, but wish save travels to all those leaving today and hope to see you next year on May 14-15.

Dirk Götz
Dirk Götz
Principal Consultant
Dirk ist Red Hat Spezialist und arbeitet bei NETWAYS im Bereich Consulting für Icinga, Puppet, Ansible, Foreman und andere Systems-Management-Lösungen. Früher war er bei einem Träger der gesetzlichen Rentenversicherung als Senior Administrator beschäftigt und auch für die Ausbildung der Azubis verantwortlich wie nun bei NETWAYS.
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