README.md

Kubernetes tests

Pool of simple tests to enhance understanding of Kubernetes, Istio and cloud world

Sections

• kubernetes
• applications
• docker
• istio

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TODOs

version 1

• server-app
• client-app-java
• client-app-go
• postgres operator on kube
• logging on kube - IN PROGRESS
• monitoring on kube - IN PROGRESS
• tracing on kube
• konstallate on kube

version 2

• traefik on kube
• rbac
• network limitations - IN PROGRESS
  • introduce calico
  • network policies

version 3

• introduce spring-cloud-kubernetes in server-app
• introduce skaffold/jib
• introduce kustomize

version 4

• istio
• flagger

best effort

• install ci/cd on kube
• ambassador on kube
• server-app with java11 modules

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Kubernetes aspects

• logging > EFK (elasticsearch, fluentd, kibana)
  • manifests / operator
  • auto-config
• monitoring > Prometheus, Grafana
  • manifests / operator
  • auto-config
  • prometheus-node-exporter
  • prometheus-postgres-exporter
  • influxdb as prometheus db
• tracing > Jaeger
  • manifests / operator
  • auto-config
• istio
  • manifests / operator
  • auto-config
• flagger
  • manifests / operator
  • auto-config
• ci/cd > JenkinsX, Prow, Tekton
  • manifests
  • auto-config

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Applications

• server application
  • logs
  • metrics
  • tracing
  • docker multistage
  • kubernetes manifests
  • h2 version
  • mongo version
  • mysql version
  • postgres version
• client application java
  • logs
  • metrics
  • tracing
  • docker multistage
  • kubernetes manifests
• client application golang
  • logs
  • metrics
  • tracing
  • docker multistage
  • kubernetes manifests
• log server
  • logs
  • docker multistage
  • kubernetes manifests
  • istio mirroring
• echo server
  • logs
  • docker multistage
  • kubernetes manifests
  • kube shell probes
  • istio testing
• echo client
  • logs
  • docker multistage
  • kubernetes manifests
  • kube shell probes
  • istio testing
• sleepybox
  • install networking tools
  • docker multistage
  • kubernetes manifests
  • istio testing

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Links

Kubernetes

• https://medium.com/deepaksood619/ultimate-kubernetes-infrastructure-monitoring-metrics-logs-c7b871d797bd

CI/CD

• https://blog.csanchez.org/2019/03/05/progressive-delivery-with-jenkins-x-automatic-canary-deployments/

Applications

• https://www.baeldung.com/spring-cloud-sleuth-single-application
• https://www.baeldung.com/spring-cloud-kubernetes