microservice.md

microsoft demo, run nginx as webserver

kubectl run --image=nginx nginx

show running pod

kubectl get po --show-labels -owide -w

expose svc

kubectl expose deploy nginx --selector run=nginx --port=80 --type=NodePort

check svc detail

kubectl get svc

check nodeip

minikube ssh
ifconfig eth1

access service

curl <nodeip>:<nodeport>

run envoy

kubectl create configmap envoy-config --from-file=envoy.yaml
kubectl create -f envoy-deploy.yaml
kubectl expose deploy envoy --selector run=envoy --port=10000 --type=NodePort

access service

curl <nodeip>:<nodeport>

scale up/down/failover

cat game.properties

configmap from file

kubectl create configmap game-config --from-file=game.properties
kubectl create configmap game-env-config --from-env-file=game.properties
kubectl get configmap -oyaml game-config

configmap from literal

kubectl create configmap special-config --from-literal=special.how=very --from-literal=special.type=charm

downward api pod

kubectl create -f downward-api-pod.yaml
kubectl get po downward-api-pod
kubectl logs -f downward-api-pod

volume

kubectl create -f configmap-volume-pod.yaml
kubectl get po
kubectl logs -f configmap-volume-pod

readiness problem

kubectl create -f centos-readiness.yaml

multiple container pods

kubectl create -f multiple-container-pod.yaml

get customized columns

kubectl get svc  -o=custom-columns=NAME:.metadata.name,CREATED:'.metadata.annotations'