First Keptn Demo

SOURCE: https://dev.to/gabrieltanner/modern-continuous-delivery-on-kubernetes-for-developers-5chf

Prerequisites

A K8s cluster (Kind cluster - https://istio.io/latest/docs/setup/platform-setup/kind/).
ISTIO version >= 1.9.2.
- For ISTIO installation works, you need to set Docker CPU/Memory a bit like this: 6 CPU and 16Gi (50% of my Macbook capacity)

Installation

Create KIND cluster

kind create cluster --config kind.yaml

Install ISTIO with Istio Operator

What is ISTIO Operator

https://istio.io/latest/docs/ops/diagnostic-tools/istioctl/#install-hahahugoshortcode-s2-hbhb

IstioOperator Options

curl -sL https://istio.io/downloadIstioctl | sh -

export PATH=$PATH:$HOME/.istioctl/bin

Install Operator:

istioctl operator init

Get default profile:

./istio-1.9.2/bin/istioctl profile dump > default.yaml

Install IngressGateway as NodePort Service so that we can access the service from localhost

Create the example profile with IngressGateway is NodePort.

Here, we map the Service's NodePort to KIND's containerPort, so we can route "hostPort -> containerPort -> NodePort -> targetPort (pods)). XXX: this means we should have set KIND PortMappings before this step, if not, reset KIND by destroy/create the cluster.
We also use overlays to patch the PodDisruptionBudget's spec.minAvailable = 0 because we only have single Pod for IngressGW.

Verify the example profile:

istioctl manifest generate -f manifests/example.yaml

Start to install the example profile:

kubectl create ns istio-system

kubectl apply -f manifests/example.yaml

Verify the Istio installation.

Install with ISTIOCTL

curl -L https://istio.io/downloadIstio | ISTIO_VERSION=1.9.2 sh -

./istio-1.9.2/bin/istioctl install

Install Keptn v0.8.1

curl -sL https://get.keptn.sh | KEPTN_VERSION=0.8.1 bash

In this case you will install Keptn by using the continuous-delivery use-case.

keptn install --endpoint-service-type=ClusterIP --use-case=continuous-delivery

Configure Keptn with ISTIO:

curl -o configure-istio.sh https://raw.githubusercontent.com/keptn/examples/release-0.8.1/istio-configuration/configure-istio.sh

chmod +x configure-istio.sh
./configure-istio.sh

Thanks to..

https://www.danielstechblog.io/running-istio-on-kind-kubernetes-in-docker/

chrisduong/demo1-keptn-istio