lalyos

---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: kube-explorer
  namespace: kube-system
  labels:
    app: kube-explorer
---
kind: ClusterRoleBinding

lalyos

In kubernetes 1.22 PSP (Pod Security Policies) is depricated. Here are the relevant docs extracted from kubernetes/website#28903

• Pod Security Standards
• Pod Security Admission
• Enforcing Pod Security Standards
• Enforce Pod Security Standards with Namespace Labels
• Enforce Pod Security Standards by Configuring the Built-in Admission Controller

lalyos

This is the k8s training shared files for Grape

kube context

curl -LO https://gist.githubusercontent.com/lalyos/8f8883056f6b880cf233a954cf9d2523/raw/8df9863fec650781c5b61eccaddde0d229c8f1de/config-prod

merge

lalyos

namespace: fleet-helm-example
helm:
  releaseName: kyverno-test
  chart: "https://github.com/lalyos/kyverno-chart/archive/master.zip"

lalyos

Generate svg diagrams from k8s manifest files

Tools needed

• https://github.com/wwmoraes/kubegraph
• docker

Usage

generate dot file from manifest

lalyos

Usage

This is what I can remember:

curl -L j.mp/bash-completion-docker | sh 

or if you dont like curl-pipe, do it by hand:

ln -s /Applications/Docker.app/Contents/Resources/etc/docker.bash-completion /usr/local/etc/bash_completion.d/docker

lalyos

{
 "orders":[
  {
    "id": 1,
    "user": "lalyos",
    "food": "pacal"
  },
  {
    "id": 2,
    "user": "geza",

lalyos

Kustomize illustrated

Its much easier to understand how kustomize work if you see some pictures ...

lalyos

Sometimes a very simple prompt is useful - like creating documentation, or github issues. In those cases its still important to be able to tell the k8s context/ns

white [ctx/ns]

PS1='[$(kubectl config view --minify -o jsonpath="{.contexts[0].name}:{.contexts[0].context.namespace}")]$ '

orange [ns]

lalyos

Fake/Quick rest api prototype by combinig:

• json-server for rest api
• restangular for admin UI

docker run -d \
  --name json-server \
  -p 3000:3000 \
  lalyos/json-server https://gist.githubusercontent.com/lalyos/2be21105e3607b4981c85a542cedc7fc/raw/issues.json