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istio 实践指南

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本书为电子书形式，内容为本人多年的云原生与 istio 实战经验进行系统性整理的结果，不废话，纯干货。

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istio-guide's Issues

你好，关于headlessservice相关问题当中介绍的pod 重建后访问失败，在istio1.14.1当中也未能得到解决

k8s version: k3s+v1.24.4
istio version: 1.14.1

链路：内部nginx网关 -》server
现象：

网关(sidecar) -> server(sidecar), 重启server后网关502
网关(sidecar) -> server(no sidecar), 重启server后网关502
网关(no sidecar) -> server(no sidecar), 重启server后网关ok

这是正常请求下，网关istio-proxy的日志

{
    "downstream_remote_address":"10.42.0.0:0",
    "duration":0,
    "upstream_transport_failure_reason":null,
    "protocol":"HTTP/1.1",
    "requested_server_name":"outbound_.80_.release-k3s_.orange-gateway-a.sopei-biz.svc.cluster.local",
    "connection_termination_details":null,
    "bytes_sent":0,
    "upstream_host":"10.42.2.212:80",
    "response_code":304,
    "user_agent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.0.0 Safari/537.36",
    "upstream_service_time":"0",
    "response_code_details":"via_upstream",
    "start_time":"2022-12-14T02:17:13.015Z",
    "path":"/",
    "downstream_local_address":"10.42.2.212:80",
    "upstream_cluster":"inbound|80||",
    "response_flags":"-",
    "authority":"&lt;my remoteAddr&gt;",
    "upstream_local_address":"127.0.0.6:35737",
    "route_name":"default",
    "x_forwarded_for":"xxx,10.42.0.0",
    "method":"GET",
    "request_id":"ede72a4a-c171-4ec0-99bd-f07e05e66c62",
    "bytes_received":0
}

这是非正常请求下，网关istio-proxy的日志

{
    "path":"/socket.io/?EIO=3&amp;transport=websocket",
    "method":"GET",
    "upstream_cluster":"inbound|80||",
    "authority":"&lt;my remoteAddr&gt;",
    "response_code":502,
    "duration":6217,
    "bytes_received":0,
    "request_id":"fdf17622-247d-9e5d-bafc-6140d355e78f",
    "connection_termination_details":null,
    "upstream_service_time":null,
    "upstream_local_address":"127.0.0.6:53377",
    "downstream_local_address":"10.42.2.212:80",
    "upstream_transport_failure_reason":null,
    "route_name":"default",
    "user_agent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.0.0 Safari/537.36",
    "start_time":"2022-12-14T02:20:25.703Z",
    "protocol":"HTTP/1.1",
    "x_forwarded_for":"xxx,10.42.1.0",
    "response_flags":"-",
    "bytes_sent":556,
    "upstream_host":"10.42.2.212:80",
    "downstream_remote_address":"10.42.1.0:0",
    "response_code_details":"via_upstream",
    "requested_server_name":"outbound_.80_.release-k3s_.orange-gateway-a.sopei-biz.svc.cluster.local"
}

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