This POC performs a istio installation in a k3d cluster.
./10-deploy.sh
$ kubectl get po
NAME READY STATUS RESTARTS AGE
echoserver-v1-77d4665d6-2hcxm 2/2 Running 0 12h
echoserver-v1-77d4665d6-lz6ww 2/2 Running 0 12h
echoserver-v1-77d4665d6-zvg8k 2/2 Running 0 12h
details-v1-5ffd6b64f7-6z2xg 2/2 Running 0 12h
ratings-v1-5f9699cfdf-sr2jd 2/2 Running 0 12h
reviews-v1-569db879f5-wsrmt 2/2 Running 0 12h
reviews-v3-c9c4fb987-kf7j4 2/2 Running 0 12h
reviews-v2-65c4dc6fdc-nv466 2/2 Running 0 12h
productpage-v1-8b588bf6d-6dblg 2/2 Running 0 12h
$ kubectl get po -n istio-system
NAME READY STATUS RESTARTS AGE
istiod-5855798659-rhsmp 1/1 Running 0 10m
istio-ingressgateway-d898789f-9j8cq 1/1 Running 0 9m51s
jaeger-76cd7c7566-5lcpr 1/1 Running 0 8m4s
kiali-7799445c94-wbjwp 1/1 Running 0 8m5s
prometheus-67599c8d5c-9rl56 2/2 Running 0 8m4s
grafana-5f98b97b64-5945f 1/1 Running 0 8m3s
$ kubectl get svc -n istio-system
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
istiod ClusterIP 10.43.21.181 <none> 15010/TCP,15012/TCP,443/TCP,15014/TCP 31m
istio-ingressgateway LoadBalancer 10.43.175.152 172.28.0.2 15021:30368/TCP,80:31424/TCP,443:32240/TCP 31m
kiali ClusterIP 10.43.88.5 <none> 20001/TCP,9090/TCP 29m
tracing ClusterIP 10.43.163.81 <none> 80/TCP,16685/TCP 29m
zipkin ClusterIP 10.43.154.225 <none> 9411/TCP 29m
jaeger-collector ClusterIP 10.43.95.181 <none> 14268/TCP,14250/TCP,9411/TCP 29m
prometheus ClusterIP 10.43.123.151 <none> 9090/TCP 29m
grafana ClusterIP 10.43.137.85 <none> 3000/TCP 29m
$ kubectl get ing -n istio-system
NAME CLASS HOSTS ADDRESS PORTS AGE
grafana <none> grafana.192.168.1.99.nip.io 172.28.0.2 80 25m
kiali <none> kiali.192.168.1.99.nip.io 172.28.0.2 80 25m
prom <none> prom.192.168.1.99.nip.io 172.28.0.2 80 25m
tracing <none> tracing.192.168.1.99.nip.io 172.28.0.2 80 11m
- Kiali: http://kiali.192.168.1.99.nip.io:8080
- Prometheus: http://prom.192.168.1.99.nip.io:8080
- Grafana: http://grafana.192.168.1.99.nip.io:8080
- Jaeger: http://tracing.192.168.1.99.nip.io:8080
Kiali:
istio-system:
Prometheus:
Grafana:
Jaeger (Tracing):
kubectl exec "$(kubectl get pod -l app=ratings -o jsonpath='{.items[0].metadata.name}')" -c ratings -- curl -s productpage:9080/productpage | grep -o "<title>.*</title>"
kubectl apply -f istio-1.18.0/samples/bookinfo/networking/bookinfo-gateway.yaml
kubectl get gateway
istioctl analyze
kubectl get svc istio-ingressgateway -n istio-system
export INGRESS_HOST=$(kubectl get po -l istio=ingressgateway -n istio-system -o jsonpath='{.items[0].status.hostIP}')
export INGRESS_PORT=$(kubectl -n istio-system get service istio-ingressgateway -o jsonpath='{.spec.ports[?(@.name=="http2")].nodePort}')
export GATEWAY_URL=$INGRESS_HOST:$INGRESS_PORT
echo "$GATEWAY_URL"
echo "http://$GATEWAY_URL/productpage"
kubectl apply -f istio-1.18.0/samples/bookinfo/networking/destination-rule-all.yaml
kubectl get destinationrules -o yaml
cleanup: bookinfo
istio-1.18.0/samples/bookinfo/platform/kube/cleanup.sh
kubectl get virtualservices #-- there should be no virtual services
kubectl get destinationrules #-- there should be no destination rules
kubectl get gateway #-- there should be no gateway
kubectl get pods #-- the Bookinfo pods should be deleted
Ref: https://github.com/GoogleCloudPlatform/microservices-demo
$ kubectl create ns google-samples-microservices
$ kubectl label ns google-samples-microservices istio-injection=enabled
$ kubectl apply -n google-samples-microservices -f google-samples-microservices/kubernetes-manifests.yaml
$ kubectl get pod -n google-samples-microservices
NAME READY STATUS RESTARTS AGE
svclb-frontend-external-2sg5q 0/1 Pending 0 2m57s
svclb-frontend-external-9rfq4 0/1 Pending 0 2m57s
checkoutservice-558b447fdc-9dnmx 1/1 Running 0 2m58s
shippingservice-7b64ffc765-kvzfv 1/1 Running 0 2m55s
redis-cart-78746d49dc-wbrhm 1/1 Running 0 2m55s
productcatalogservice-cc7c79cf5-b4wlp 1/1 Running 0 2m56s
frontend-8446f74795-8nghz 1/1 Running 0 2m57s
cartservice-d7f69f549-jckfq 1/1 Running 0 2m56s
currencyservice-7d5c4974b9-p5sz7 1/1 Running 0 2m56s
paymentservice-6fd9ff5d6c-tg4cx 1/1 Running 0 2m57s
loadgenerator-d95bc946f-j562g 1/1 Running 0 2m56s
emailservice-f57d5c6c9-lm6xv 1/1 Running 0 2m58s
recommendationservice-79fd4d769c-dd6bc 1/1 Running 0 2m58s
adservice-65d4dc6b67-pmth7 1/1 Running 0 2m55s
$ kubectl get svc -n google-samples-microservices
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
emailservice ClusterIP 10.43.182.252 <none> 5000/TCP 3m
checkoutservice ClusterIP 10.43.122.110 <none> 5050/TCP 3m
recommendationservice ClusterIP 10.43.150.235 <none> 8080/TCP 3m
frontend ClusterIP 10.43.198.168 <none> 80/TCP 2m59s
frontend-external LoadBalancer 10.43.237.62 <pending> 80:30841/TCP 2m59s
paymentservice ClusterIP 10.43.200.157 <none> 50051/TCP 2m59s
productcatalogservice ClusterIP 10.43.194.205 <none> 3550/TCP 2m58s
cartservice ClusterIP 10.43.218.17 <none> 7070/TCP 2m58s
currencyservice ClusterIP 10.43.223.195 <none> 7000/TCP 2m57s
shippingservice ClusterIP 10.43.129.253 <none> 50051/TCP 2m57s
redis-cart ClusterIP 10.43.156.117 <none> 6379/TCP 2m57s
adservice ClusterIP 10.43.155.192 <none> 9555/TCP 2m57s
http://192.168.56.101:30841
kubectl create ns istio-app
kubectl label ns istio-app istio-injection=enabled
kubectl apply -n istio-app -f google-samples-microservices/kubernetes-manifests.yaml
kubectl get pod -n istio-app
kubectl delete svc frontend-external -n istio-app
kubectl get svc -n istio-system
kubectl apply -n istio-app -f google-samples-microservices/istio-manifests.yaml
kubectl delete serviceentry allow-egress-google-metadata -n istio-app
kubectl delete serviceentry allow-egress-googleapis -n istio-app
http://192.168.56.101:30792 kubectl get svc -n istio-system
istio
kubectl delete deploy productcatalogservice -n istio-app
productcatalog-v1.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
name: productcatalogservice-v1
spec:
selector:
matchLabels:
app: productcatalogservice
template:
metadata:
labels:
app: productcatalogservice
version: v1
spec:
serviceAccountName: default
terminationGracePeriodSeconds: 5
containers:
- name: server
image: docker.io/v5cn/google-samples-microservices-productcatalogservice:v0.3.6
ports:
- containerPort: 3550
env:
- name: PORT
value: "3550"
- name: DISABLE_STATS
value: "1"
- name: DISABLE_TRACING
value: "1"
- name: DISABLE_PROFILER
value: "1"
readinessProbe:
exec:
command: ["/bin/grpc_health_probe", "-addr=:3550"]
livenessProbe:
exec:
command: ["/bin/grpc_health_probe", "-addr=:3550"]
resources:
requests:
cpu: 100m
memory: 64Mi
limits:
cpu: 200m
memory: 128Mi
kubectl apply -n istio-app -f productcatalog-v1.yaml
kubectl get deploy productcatalogservice-v1 -n istio-app
productcatalog-v2.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
name: productcatalogservice-v2
spec:
selector:
matchLabels:
app: productcatalogservice
template:
metadata:
labels:
app: productcatalogservice
version: v2
spec:
containers:
- env:
- name: PORT
value: '3550'
- name: EXTRA_LATENCY
value: 3s
image: docker.io/v5cn/google-samples-microservices-productcatalogservice:v0.3.6
livenessProbe:
exec:
command:
- /bin/grpc_health_probe
- -addr=:3550
name: server
ports:
- containerPort: 3550
readinessProbe:
exec:
command:
- /bin/grpc_health_probe
- -addr=:3550
resources:
limits:
cpu: 200m
memory: 128Mi
requests:
cpu: 100m
memory: 64Mi
terminationGracePeriodSeconds: 5
kubectl apply -n istio-app -f productcatalog-v2.yaml
kubectl get deploy productcatalogservice-v2 -n istio-app
vs-split-traffic.yaml
apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
name: productcatalogservice
spec:
hosts:
- productcatalogservice
http:
- route:
- destination:
host: productcatalogservice
subset: v1
weight: 75
- destination:
host: productcatalogservice
subset: v2
weight: 25
kubectl apply -n istio-app -f vs-split-traffic.yaml
destinationrule.yaml
apiVersion: networking.istio.io/v1alpha3
kind: DestinationRule
metadata:
name: productcatalogservice
spec:
host: productcatalogservice
subsets:
- labels:
app: productcatalogservice
version: v1
name: v1
- labels:
app: productcatalogservice
version: v2
name: v2
kubectl apply -n istio-app -f destinationrule.yaml