8 years in SRE

From production automation to the datapath.

Eight years in SRE on Linux, the last three leading automation for critical banking systems at Citibanamex. Now focused on Linux networking, the Kubernetes datapath and Go, one project at a time.

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~/icris

$ kubectl get engineer
NAME      STATUS   AGE
cristian  Ready    8y

$ kubectl get conditions
TYPE           STATUS
OpenToTalk     True
Sabbatical     True
Projects       Progressing

SRE automationProduction · Ansible, Bash, Splunk

LinuxProduction · on-premises

Kubernetes networkingFocus · CNI, Cilium, eBPF

GoFocus · infrastructure tooling

Projects · next up

DNS and TLS monitor

Continuous probes for name resolution, availability and certificate expiry, written in Go. After it: an incident factory, a network change validator and a fix in Cilium or a CNI plugin.

godnstlsalerting

See the roadmap

Let’s talk about

Conversations I’m always up for

Debugging cluster networking

Moving from SRE to platform

How eBPF changes the datapath

Reproducible failure scenarios

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Production tools and current focus

Kubernetes

Cilium

eBPF

Linux

Containers

Splunk

Python

Bash

Ansible