Intro

FIXME: Tested only on AWS

Setup

git clone https://github.com/vfarcic/crossplane-observability-demo

cd crossplane-observability-demo

FIXME: Devbox reference

devbox shell

chmod +x setup.sh

./setup.sh

source .env

Cluster

cat cluster/aws.yaml

kubectl --namespace a-team apply --filename cluster/aws.yaml

crossplane beta trace clusterclaim cluster --namespace a-team

Database

FIXME: DB reference

cat db/aws.yaml

kubectl --namespace a-team apply --filename db/aws.yaml

crossplane beta trace sqlclaim my-db --namespace a-team

App

export KUBECONFIG=$PWD/kubeconfig.yaml

aws eks update-kubeconfig --region us-east-1 \
    --name a-team-cluster --kubeconfig $KUBECONFIG

export INGRESS_HOSTNAME=$(kubectl --namespace traefik \
    get service traefik \
    --output jsonpath="{.status.loadBalancer.ingress[0].hostname}")

export INGRESS_IP=$(dig +short $INGRESS_HOSTNAME \
    | awk '{print $1;}' | head -n 1)

echo $INGRESS_IP

# Repeat the `export` commands if the output is empty

unset KUBECONFIG

cat app.yaml

yq --inplace \
    ".spec.parameters.host = \"silly-demo.$INGRESS_IP.nip.io\"" \
    app.yaml

kubectl --namespace a-team apply --filename app.yaml

crossplane beta trace appclaim silly-demo --namespace a-team

export KUBECONFIG=$PWD/kubeconfig.yaml

kubectl --namespace production get all

curl "http://silly-demo.$INGRESS_IP.nip.io"

curl -X POST \
    "http://silly-demo.$INGRESS_IP.nip.io/video?id=1&title=An%20Amazing%20Video"

curl "http://silly-demo.$INGRESS_IP.nip.io/videos" | jq .

• Generate load on https://app.ddosify.com
• Stop the DB instance from the AWS console

Dynatrace

All Dynatrace components are installed and configured via the setup script. The following components will be enabled during setup:

• Dynatrace Kubernetes Operator to monitor the local Kubernetes cluster
• Dynatrace Active Gate on AWS to monitor the given AWS account
• A Crossplane for Platform Engineers dashboard will be created

curl "http://sillydemo.$INGRESS_IP.nip.io/videos"

Destroy

./destroy.sh