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.

~/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
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

Production tools and current focus

Kubernetes
Cilium
eBPF
Linux
Go
Containers
Splunk
Python
Bash
Ansible