Linkerd

$ cd ~/tmp/
$ git clone https://github.com/vfarcic/linkerd-demo
$ cd linkerd-demo/

$ export INGRESS_IP=$(minikube ip --profile ${PROFILE})

$ echo ${INGRESS_IP}

$ cat kustomize/overlays/production/ingress.yaml \
    | sed -e "s@host: .*@host: dot.${INGRESS_IP}.nip.io@g" \
    | tee kustomize/overlays/production/ingress.yaml

$ kubectl create namespace production

###########################
# Linkerd Proxy Injection #
###########################

$ cat kustomize/base/deployment.yaml

$ cat kustomize/overlays/production/ingress.yaml

$ kubectl apply \
    --kustomize kustomize/overlays/production

# It could be `linkerd inject -` instead; a bad idea

$ kubectl --namespace production get pods
NAME                            READY   STATUS    RESTARTS   AGE
devops-toolkit-98f5fbf9-hbjbt   2/2     Running   0          2m29s
devops-toolkit-98f5fbf9-pwmhm   2/2     Running   0          2m20s
devops-toolkit-98f5fbf9-wwglh   2/2     Running   0          2m25s

$ echo http://dot.${INGRESS_IP}.nip.io

$ curl \
    -o /dev/null -s -w "%{http_code}\n" \
    http://dot.${INGRESS_IP}.nip.io

# Open it in a browser

##############################
# Observability With Linkerd #
##############################

# Install the latest release of the Ddosify CLI from https://github.com/ddosify/ddosify/releases


# For Debian based (Ubuntu, Linux Mint, etc.)
$ cd ~/tmp
$ wget https://github.com/ddosify/ddosify/releases/download/v0.1.1/ddosify_amd64.deb
$ sudo dpkg -i ddosify_amd64.deb

$ ddosify -t "http://dot.$INGRESS_IP.nip.io"

$ linkerd --namespace production \
    viz stat deploy/devops-toolkit

$ linkerd --namespace production \
    viz top deploy/devops-toolkit

$ linkerd viz dashboard & ddosify -config ddosify.json