Test Fixtures “go test” sets pwd as package directory Test Helpers should never return an error they should access to the *testing.T object call t.Helper() in the beginning (works only for go1.9+) for things reqiuiring clean up return closures Configurability Unconfigurable behavior is often a point of difficulty for tests. e.g. ports, timeouts, paths. Over-parameterize structs to allow tests to fine-tune their behavior It’s ok to make these configs unexported so only tests can set them. Slides Video GopherCon 2017: Mitchell Hashimoto - Advanced Testing with Go by Mitchell Hashimoto

Pointer receiver For a struct User with a method Work with pointer receiver. type User struct { Name string Period int } func (u *User) Work() { fmt.Println(u.Name, "has worked for", u.Period, "hrs.") } func main() { uval := User{"UserVal", 5} uval.Work() pval := &User{"UserPtr", 6} pval.Work() } See on go playground. output: UserVal has worked for 5 hrs. UserPtr has worked for 6 hrs. If we call this method on value type object uval it works, and obviously it works with pointer type object pval. ...

This post has shortcuts that are generic and golang specific as well. This post will edited from time to time. Shortcuts Toggle side bar Ctrl + B Project explorer in side bar Ctrl + Shift + E Project wide search in side bar Ctrl + Shift + F Source control in side bar Ctrl + Shift + G Copy entire line Ctrl + C (without any selection) Delete entire line Ctrl + Shift + K ...

I am doing Kubernetes native development using minikube. And for doing that I had to download a Container image that is available in internally hosted private container registry. On the configuration side of doing that you will need to create Kubernetes Secret of type docker-registry. And now refer that secret you just created in your Pod manifest under pod.spec.imagePullSecrets. For more info follow the tutorial in Kubernetes docs on Pull an Image from a Private Registry. ...

I wanted to try out Standalone Kubelet Tutorial of Kelsey Hightower by myself but I could not follow it as it is, because it was firstly on GCE and secondly it uses CoreOS, but since I am very familiar to Fedora I thought of following that tutorial on it. To get a quick setup of a fresh Fedora machine use Vagrant. I have used Vagrantfile available here. This blog is only replacement of section Install the Standalone Kubelet in tutorial. ...

If you have some box that was downloaded on your machine from Atlas but now you wanna share it on other machines and you don’t have internet to download it, how do you share it? You will need to export the box from machine that has it downloaded already. So on machine with boxes: $ vagrant box list centos/7 (libvirt, 1610.01) centos/7 (libvirt, 1704.01) fedora/25-cloud-base (libvirt, 20161122) fedora/26-cloud-base (libvirt, 20170705) I wanted to share fedora/26-cloud-base box to another machine. Run the following command: ...

If you are playing Counter Strike on Steam on linux you might be wondering how do I install new maps in the game. So here are steps to install maps. All the game maps for Counter Strike - Condition Zero are stored in following path: ~/.local/share/Steam/steamapps/common/Half-Life/czero/maps Format of the map files is .bsp. So download the map files from over internet and then put in this location and now you should be able to see the maps in game. ...

List of all the event reports from Kubernetes Bangalore meetup. April 2017 May 2017 June 2017 July 2017 Kubernetes 2nd Birthday Celebration August 2017 September 2017 October 2017 November 2017

Following is the list of all the places you can learn Kubernetes from: Scalable Microservices with Kubernetes - Video tutorial Fundamentals of Containers, Kubernetes, and Red Hat OpenShift - Video tutorial Kubernetes By Example - DIY tutorial Learn Kubernetes using Interactive Browser-Based Scenarios - DIY tutorial in your own web browser Interactive Learning Portal for OpenShift - DIY tutorial in your own web browser Kubernetes docs - Textual DIY docs Kubernetes API reference v1.6 OpenShift docs - Textual DIY docs

This edition of meetup was held at Nexus Ventures by folks at OpenEBS on July 8th 2017, which started on a lovely Saturday morning. Kiran Mova set the floor rolling with his talk on Hyperconverged version of OpenEBS with Kubernetes. Where he talked about containerized storage vs traditional storage, instead of building clustering into OpenEBS how they are leveraging Kubernetes’s capabilities to do clustering. He also explained difference between various storage providers viz. Portworx, StorageOS, Rook, GlusterFS, OpenEBS, etc. ...