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istio配置重复的svc报错

article 2024/12/24 19:29:33

现象：

两个vs中配置了同一个svc地址，导致其中的一个vs路由配置不生效，看到istiod服务的报错duplicate domain from service

解决：

istiod服务报错日志

2024-11-13T14:54:50.394181675+08:00     "pilot_vservice_dup_domain": {
2024-11-13T14:54:50.394188065+08:00         "xxx.svc.cluster.local:80": {
2024-11-13T14:54:50.394192825+08:00             "proxy": "xx-59cf68bfdf-x57d2.xx-ns",
2024-11-13T14:54:50.394197005+08:00             "message": "duplicate domain from service: xxx-api.xx-master.svc.cluster.local:80"
2024-11-13T14:54:50.394200645+08:00         }
2024-11-13T14:54:50.394204055+08:00     }
2024-11-13T14:54:50.394207575+08:00 }

配合istioctl的其它子命令进行验证

# 查看侦听器配置
istioctl proxy-config listeners xxx-pod.xx-ns |grep "xx"
10.99.46.36    80    Trans: raw_buffer; App: http/1.1,h2c                                     Route: x.x-master.svc.cluster.local:80
10.99.46.36    80    ALL                                                                      Cluster: outbound|80||mp-x.ns.svc.cluster.local
# 查看集群cluster配置
istioctl proxy-config clusters xx-pod.ns |grep "xx"
xx.ns.svc.cluster.local                           80        -          outbound      EDS              
xx.ns.svc.cluster.local                         80        -          outbound      EDS     
# 路由配置
istioctl proxy-config routes xx-pod.ns |grep -E "tts"
deploymentxx.ns.svc.cluster.local:80                 deploymentxx.ns.svc.cluster.local:80                              *                                                                                                                     /*                     svc1-name-virtualservice.ns
deploymentxx.ns.svc.cluster.local:80               deploymentxx.ns.svc.cluster.local:80                            *                                                                                                                     /*                     svc1-name-virtualservice.ns
80                                                                                    deploymentxx.ns.svc.cluster.local:80                              svc1-name, svc1-name.ns + 1 more...                           /*                     svc2-virtualservice.ns
80                                                                                    deploymentxx.ns.svc.cluster.local:80                            svc2, svc2.ns + 1 more...                       /*                    svc-virtualservice.ns