基于Kubernets+lstio实现灰度发布

1、rootmaster # wget /competition/ServiceMesh.tar.gzrootmaster # tar -xf ServiceMesh.tar.gzrootmaster # docker load -i ServiceMesh/images/image.tarrootmaster # init-clusterrootmaster # kubectl cluster-infoKubernetes control plane is running at https:/apiserver.cluster.local:6443CoreDNS is running at ht

2、tps:/apiserver.cluster.local:6443/api/v1/namespaces/kube-system/services/kube-dns:dns/proxyTo further debug and diagnose cluster problems, use kubectl cluster-info dump.rootmaster # cd ServiceMesh/rootmaster ServiceMesh# kubectl apply -f bookinfo/bookinfo.yamlservice/details createdserviceaccount/bo

3、okinfo-details createddeployment.apps/details-v1 createdservice/ratings createdserviceaccount/bookinfo-ratings createddeployment.apps/ratings-v1 createdservice/reviews createdserviceaccount/bookinfo-reviews createddeployment.apps/reviews-v1 createdservice/productpage createdserviceaccount/bookinfo-p

4、roductpage createddeployment.apps/productv1 createdrootmaster ServiceMesh# kubectl get podsNAME READY STATUS RESTARTS AGEdetails-v1-79f774bdb9-m98sl 1/1 Running 0 46sproductv1-6b746f74dc-snpf9 1/1 Running 0 46sratings-v1-b6994bb9-nmws8 1/1 Running 0 46sreviews-v1-545db77b95-4rtn4 1/1 Running 0 46sro

5、otmaster ServiceMesh# cat bookinfo-gateway.yamlapiVersion: networking.istio.io/v1alpha3kind: Gatewaymetadata: name: bookinfo-gatewayspec: selector: istio: ingressgateway # use istio default controller servers: - port: number: 80 name: http protocol: HTTP hosts: - *（“”请学生自行手打，不要复制）apiVersion: network

6、ing.istio.io/v1alpha3kind: VirtualServicemetadata: name: bookinfospec: hosts: - * gateways: - bookinfo-gateway http: - match: - uri: exact: /product uri: prefix: /static - uri: exact: /login - uri: exact: /logout - uri: prefix: /api/v1/products route: - destination: host: productpage port: number: 9

7、080rootmaster ServiceMesh# kubectl apply -f working.istio.io/bookinfo-gateway working.istio.io/bookinfo createdrootmaster ServiceMesh# kubectl get gatewayNAME AGEbookinfo-gateway 32srootmaster ServiceMesh# kubectl get svc -n istio-systemNAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGEistio-egressgateway

8、 ClusterIP 07 80/TCP,443/TCP 30mistio-ingressgateway LoadBalancer 02 15021:32634/TCP,80:22092/TCP,443:30119/TCP,31400:30282/TCP,15443:32486/TCP 30mrootmaster ServiceMesh# vi curl.sh#!/bin/bashwhile truedo curl :22092/productpage /dev/null 2&1 sleep 1donerootmaster ServiceMesh# chmod +x curl.shrootma

9、ster ServiceMesh# bash curl.sh &1 2924rootmaster ServiceMesh# cat destination-rule-all.yamlapiVersion: networking.istio.io/v1alpha3kind: DestinationRulemetadata: name: productpagespec: host: productpage subsets: - name: v1 labels: version: v1（“”请学生自行手打，不要复制）apiVersion: networking.istio.io/v1alpha3ki

10、nd: DestinationRulemetadata: name: reviewsspec: host: reviews subsets: - name: v1 labels: version: v1 - name: v2 labels: version: v2 - name: v3 labels: version: v3（“”请学生自行手打，不要复制）apiVersion: networking.istio.io/v1alpha3kind: DestinationRulemetadata: name: ratingsspec: host: ratings subsets: - name:

11、v1 labels: version: v1 - name: v2 labels: version: v2 - name: v2-mysql labels: version: v2-mysql - name: v2-mysql-vm labels: version: v2-mysql-vm（“”请学生自行手打，不要复制）apiVersion: networking.istio.io/v1alpha3kind: DestinationRulemetadata: name: detailsspec: host: details subsets: - name: v1 labels: version

12、: v1 - name: v2 labels: version: v2rootmaster ServiceMesh# kubectl apply -f destination-rule-all.yamlrootmaster ServiceMesh# kubectl get destinationruleNAME HOST AGEdetails details 21sproductpage productpage 21sratings ratings 21sreviews reviews 21srootmaster ServiceMesh# cat bookinfo/bookinfo.yaml

13、| istioctl kube-inject -f - | kubectl apply -l app=productf -service/productpage unchangeddeployment.apps/productv1 configuredrootmaster ServiceMesh# kubectl get podsNAME READY STATUS RESTARTS AGEdetails-v1-79f774bdb9-np7tt 1/1 Running 0 8m9sproductv1-599f9dc7b8-btdqz 2/2 Running 0 43sratings-v1-b69

14、94bb9-nkq7z 1/1 Running 0 8m9sreviews-v1-545db77b95-xwnwf 1/1 Running 0 8m9srootmaster ServiceMesh# cat bookinfo/bookinfo.yaml | istioctl kube-inject -f - | kubectl apply -l app!=productf rootmaster ServiceMesh# kubectl get podsNAME READY STATUS RESTARTS AGEdetails-v1-6df75fb475-4stwg 2/2 Running 0

15、70sproductv1-599f9dc7b8-fprwf 2/2 Running 0 5m2sratings-v1-c7b9dfddc-rlmk4 2/2 Running 0 70sreviews-v2-855b56b89-57k67 2/2 Running 0 64srootmaster ServiceMesh# cat bookinfo/reviews-v2.yaml | istioctl kube-inject -f - | kubectl apply -f -rootmaster ServiceMesh# cat bookinfo/reviews-v3.yaml | istioctl

16、 kube-inject -f - | kubectl apply -f rootmaster ServiceMesh# kubectl get podsNAME READY STATUS RESTARTS AGEdetails-v1-6df75fb475-4stwg 2/2 Running 0 5m5sproductv1-599f9dc7b8-fprwf 2/2 Running 0 8m2sratings-v1-c7b9dfddc-rlmk4 2/2 Running 0 5m5sreviews-v2-855b56b89-57k67 2/2 Running 0 5m5sreviews-v2-8

17、55b56b89-49jkx 2/2 Running 0 34sreviews-v3-7b76df6bbb-f6hhp 2/2 Running 0 29srootmaster ServiceMesh# kubectl autoscale deployment reviews-v1 -cpu-percent=50 -min=1 -max=10rootmaster ServiceMesh# kubectl autoscale deployment reviews-v2 -cpu-percent=50 -min=1 -max=10rootmaster ServiceMesh# kubectl aut

18、oscale deployment reviews-v3 -cpu-percent=50 -min=1 -max=10rootmaster ServiceMesh# vi virtual-service-all-v1.yamlapiVersion: networking.istio.io/v1alpha3kind: VirtualServicemetadata: name: productpagespec: hosts: - productpage http: - route: - destination: host: productpage subset: v1（“”请学生自行手打，不要复制

19、）apiVersion: networking.istio.io/v1alpha3kind: VirtualServicemetadata: name: reviewsspec: hosts: - reviews http: - route: - destination: host: reviews subset: v1（“”请学生自行手打，不要复制）apiVersion: networking.istio.io/v1alpha3kind: VirtualServicemetadata: name: ratingsspec: hosts: - ratings http: - route: -

20、destination: host: ratings subset: v1（“”请学生自行手打，不要复制）apiVersion: networking.istio.io/v1alpha3kind: VirtualServicemetadata: name: detailsspec: hosts: - details http: - route: - destination: host: details subset: v1rootmaster ServiceMesh# kubectl apply -f virtual-service-all-v1.yaml working.istio.io/p

21、roductpage working.istio.io/reviews working.istio.io/ratings working.istio.io/details createdrootmaster ServiceMesh# vi virtual-service-reviews-50-50.yaml apiVersion: networking.istio.io/v1alpha3kind: VirtualServicemetadata: name: reviewsspec: hosts: - reviews http: - route: - destination: host: reviews subset: v1 weight: 50 - destination: host: reviews subset: v3 weight: 50rootmaster ServiceMesh# kubectl apply -f working.istio.io/rev