istioctl install
kubectl apply -f https://raw.githubusercontent.com/istio/istio/release-1.19/samples/addons/kiali.yaml
kubectl apply -f https://raw.githubusercontent.com/istio/istio/release-1.19/samples/addons/prometheus.yamlkubectl label namespace default istio-injection=enabled
Last updated
apiVersion: v1
kind: Pod
metadata:
labels:
app: httpd
version: v1
name: httpd-v1
namespace: default
spec:
containers:
- image: httpd
name: httpd
resources: {}
volumeMounts:
- mountPath: /usr/local/apache2/htdocs
name: index-html
dnsPolicy: ClusterFirst
initContainers:
- command:
- sh
- -c
- mkdir /usr/local/apache2/htdocs;( echo '<html> <body> <h1>This is version V1!</h1>
</body></html>' ) > /usr/local/apache2/htdocs/index.html
image: busybox
name: busybox
volumeMounts:
- mountPath: /usr/local/apache2/htdocs
name: index-html
restartPolicy: Always
volumes:
- emptyDir: {}
name: index-html
---
apiVersion: v1
kind: Service
metadata:
labels:
app: web-service
name: web-service
spec:
ports:
- name: http-port
port: 80
protocol: TCP
targetPort: 80
selector:
app: httpd
type: ClusterIP kubectl run curl-test --image=odise/busybox-curl --rm -it -- /bin/sh -c "while true; do curl web-service; sleep 1; done"apiVersion: v1
kind: Pod
metadata:
labels:
app: httpd
version: v2
name: httpd-v2
namespace: default
spec:
containers:
- image: httpd
name: httpd
resources: {}
volumeMounts:
- mountPath: /usr/local/apache2/htdocs
name: index-html
dnsPolicy: ClusterFirst
initContainers:
- command:
- sh
- -c
- "mkdir /usr/local/apache2/htdocs;(
echo '<html>
<body>
<h1>This is version V2!</h1>
</body></html>'
) > /usr/local/apache2/htdocs/index.html"
name: busybox
image: busybox
volumeMounts:
- mountPath: /usr/local/apache2/htdocs
name: index-html
restartPolicy: Always
volumes:
- emptyDir: {}
name: index-htmlkubectl run curl-test --image=odise/busybox-curl --rm -it -- /bin/sh -c "while true; do curl web-service; sleep 1; done"apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
name: web-mirror-vs
spec:
hosts:
- web-service.default.svc.cluster.local
http:
- route:
- destination:
host: web-service.default.svc.cluster.local
subset: v1
weight: 100
mirror:
host: web-service.default.svc.cluster.local
subset: v2
mirror_percent: 100
---
apiVersion: networking.istio.io/v1beta1
kind: DestinationRule
metadata:
name: web-destinationrule
spec:
host: web-service.default.svc.cluster.local
subsets:
- name: v1
labels:
version: v1
- name: v2
labels:
version: v2kubectl run curl-test --image=odise/busybox-curl --rm -it -- /bin/sh -c "while true; do curl web-service; sleep 1; done"kubectl run curl-test --image=odise/busybox-curl --rm -it -- /bin/sh -c "while true; do curl -X POST api-service:5000/insert_version; sleep 1; done"kubectl run curl-test --image=odise/busybox-curl --rm -it -- /bin/sh -c "while true; do curl -X POST api-service:5000/insert_version; sleep 1; done"