下发如下virtualservice策略，header中包含end-user：jason的请求发reviews的v2版本，其它的请求 50%发往v1，50%发往v2
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[root@k8s-master-v1-16 networking]# cat virtual-service-reviews-jason-weight-istio-bookinfo.yaml apiVersion: networking.istio.io/v1alpha3 kind: VirtualService metadata: name: reviews namespace: istio-bookinfo spec: hosts: - reviews http: - match: - headers: end-user: exact: jason route: - destination: host: reviews subset: v2 - route: - destination: host: reviews subset: v1 weight: 50 - destination: host: reviews subset: v3 weight: 50 |
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$ istioctl proxy-config route productpage-v1-7f4cc988c6-qxqjs.istio-bookinfo --name 9080 -o json | grep -A 100 '"name": "reviews.istio-bookinfo.svc.cluster.local:9080",' "name": "reviews.istio-bookinfo.svc.cluster.local:9080", "domains": [ "reviews.istio-bookinfo.svc.cluster.local", "reviews.istio-bookinfo.svc.cluster.local:9080", "reviews", "reviews:9080", "reviews.istio-bookinfo.svc.cluster", "reviews.istio-bookinfo.svc.cluster:9080", "reviews.istio-bookinfo.svc", "reviews.istio-bookinfo.svc:9080", "reviews.istio-bookinfo", "reviews.istio-bookinfo:9080", "10.105.236.72", "10.105.236.72:9080" ], "routes": [ { "match": { "prefix": "/", "caseSensitive": true, "headers": [ { "name": "end-user", "exactMatch": "jason" } ] }, "route": { "cluster": "outbound|9080|v2|reviews.istio-bookinfo.svc.cluster.local", "timeout": "0s", "retryPolicy": { "retryOn": "connect-failure,refused-stream,unavailable,cancelled,retriable-status-codes", "numRetries": 2, "retryHostPredicate": [ { "name": "envoy.retry_host_predicates.previous_hosts" } ], "hostSelectionRetryMaxAttempts": "5", "retriableStatusCodes": [ 503 ] }, "maxGrpcTimeout": "0s" }, "metadata": { "filterMetadata": { "istio": { "config": "/apis/networking.istio.io/v1alpha3/namespaces/istio-bookinfo/virtual-service/reviews" } } }, "decorator": { "operation": "reviews.istio-bookinfo.svc.cluster.local:9080/*" } }, { "match": { "prefix": "/" }, "route": { "weightedClusters": { "clusters": [ { "name": "outbound|9080|v1|reviews.istio-bookinfo.svc.cluster.local", "weight": 50 }, { "name": "outbound|9080|v3|reviews.istio-bookinfo.svc.cluster.local", "weight": 50 } ] }, "timeout": "0s", "retryPolicy": { "retryOn": "connect-failure,refused-stream,unavailable,cancelled,retriable-status-codes", "numRetries": 2, "retryHostPredicate": [ { "name": "envoy.retry_host_predicates.previous_hosts" } ], "hostSelectionRetryMaxAttempts": "5", "retriableStatusCodes": [ 503 ] }, "maxGrpcTimeout": "0s" }, "metadata": { "filterMetadata": { "istio": { "config": "/apis/networking.istio.io/v1alpha3/namespaces/istio-bookinfo/virtual-service/reviews" } } }, "decorator": { "operation": "reviews:9080/*" } } ], |
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