Journal
Writing down the things I learned. To share them with others and my future self.
Home
All Posts
About
Tags
07
Jun 2020
The Non-Obvious properties of JSON Encoder.Encode directly to http.ResponseWriter
Today I came across the following code snipped in a golang HTTP handler: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 import( "...
30
May 2020
Managing Kubernetes Ingress JSON Log Format with Sanity
The nginx ingress supports a custom log format. The option can be set via the log_format field in the ingress configmap....
27
May 2020
Moving the NAS
I had to move my NAS into the basement. There is no room in our flat left for noisy computer equipment. My flat is in th...
13
May 2020
Set Default Value of Prometheus Label if not set
I had to implement the following behaviour in a prometheus relabel config: Given two labels A and B. I want to set A to...
11
May 2020
On Errors in Golang
In Golang are two ways to signal an error in a function or method. The first is the convention to return an error value ...
08
May 2020
On Using Fluentd to Parse Elastic Common Scheme from Kubernetes Pod Logs
Today I had to parse the JSON logs of our containers in Kubernetes. Our application are logging in the Elastic Common Sc...
08
May 2020
Mount Local GOPATH Directory into Container
Given you have an old golang project depending on the GOPATH. You want to build that project in the golang docker image....
04
May 2020
Migrate Elasticsearch 5.x to 6.x
We want to migrate an pre 6.0.0 cluster to 6.x.x. Therefore we have to make sure every index contains only one mapping. ...
04
May 2020
Initial Commit
Initial post to test the theme and all the other stuff.