Deployment strategies

Useful commands

start kind cluster

kind create cluster --name shadow-deploy

Figure out istio node port

echo $(kubectl get svc istio-ingressgateway --namespace istio-system --output 'jsonpath={.spec.ports[?(@.port==80)].nodePort}')

Port forward istio ingress gateway

k port-forward svc/istio-ingressgateway -n istio-system <NODE_PORT>:80

curl the ksvc

curl -H "Host: hello.test.example.com" http://127.0.0.1:<NODE_PORT>

get the knative service url

kubectl get ksvc -n namespace

get v1 pod name

export V1_POD=$(kubectl get pod -n test -l app=sd-example,version=v1 -o jsonpath={.items..metadata.name})

get v2 pod name

export V2_POD=$(kubectl get pod -n test -l app=sd-example,version=v2 -o jsonpath={.items..metadata.name})

get sleep pod name

export SLEEP_POD=$(kubectl get pod -n test -l app=sleep -o jsonpath={.items..metadata.name})

curl from sleep pod

kubectl exec -n test "${SLEEP_POD}" -c sleep -- curl -sS http://sd-example:8000/

get logs from V1_POD

kubectl logs -n test -f $V1_POD -c sd-example --tail=0

get logs from V2_POD

kubectl logs -n test -f $V2_POD -c sd-example --tail=0

Ordem para rodar o lab

Knative

1. make install-knative
2. kubectl apply -f apps/api/kube/knative/kservice.yaml
3. mostrar a aplicação escalar para 0 e o warm up
4. alterar as variaveis de ambiente do ksvc e aplicar de novo
5. make port-forward-istio-gateway
6. make knative-request

Shadow deployment

1. make deploy-application
2. Run make request a few times
3. make shadow-traffic
4. Open 3 terminals in the first run make log-app-1, in the second make log-app-2, finally, in the third make request