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Istio sidecar iptables以及流量控制分析

2020年06月25日 12700点热度 0人点赞 0条评论

Istio注入的iptables

Istio通过向业务pod中注入init容器以及envoy proxy容器实现流量的劫持与处理,init 容器运行后将在对应的linux namespace里产生以下iptables的NAT表规则

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[root@k8s-node1-v1-16 ~]# iptables -t nat -L -v
Chain PREROUTING (policy ACCEPT 192K packets, 12M bytes)
pkts bytes target     prot opt in     out     source               destination
192K   12M ISTIO_INBOUND  tcp  --  any    any     anywhere             anywhere
 
Chain INPUT (policy ACCEPT 192K packets, 12M bytes)
pkts bytes target     prot opt in     out     source               destination
 
Chain OUTPUT (policy ACCEPT 40673 packets, 3694K bytes)
pkts bytes target     prot opt in     out     source               destination
8917  535K ISTIO_OUTPUT  tcp  --  any    any     anywhere             anywhere
 
Chain POSTROUTING (policy ACCEPT 40673 packets, 3694K bytes)
pkts bytes target     prot opt in     out     source               destination
 
Chain ISTIO_INBOUND (1 references)
pkts bytes target     prot opt in     out     source               destination
    0     0 RETURN     tcp  --  any    any     anywhere             anywhere             tcp dpt:ssh
  356 21360 RETURN     tcp  --  any    any     anywhere             anywhere             tcp dpt:15090
192K   11M RETURN     tcp  --  any    any     anywhere             anywhere             tcp dpt:15021
    0     0 RETURN     tcp  --  any    any     anywhere             anywhere             tcp dpt:15020
   34  2040 ISTIO_IN_REDIRECT  tcp  --  any    any     anywhere             anywhere
 
Chain ISTIO_IN_REDIRECT (3 references)
pkts bytes target     prot opt in     out     source               destination
   34  2040 REDIRECT   tcp  --  any    any     anywhere             anywhere             redir ports 15006
 
Chain ISTIO_OUTPUT (1 references)
pkts bytes target     prot opt in     out     source               destination
    0     0 RETURN     all  --  any    lo      127.0.0.6            anywhere    
    0     0 ISTIO_IN_REDIRECT  all  --  any    lo      anywhere            !localhost            owner UID match 1337
    0     0 RETURN     all  --  any    lo      anywhere             anywhere             ! owner UID match 1337
8917  535K RETURN     all  --  any    any     anywhere             anywhere             owner UID match 1337
    0     0 ISTIO_IN_REDIRECT  all  --  any    lo      anywhere            !localhost            owner GID match 1337
    0     0 RETURN     all  --  any    lo      anywhere             anywhere             ! owner GID match 1337
    0     0 RETURN     all  --  any    any     anywhere             anywhere             owner GID match 1337
    0     0 RETURN     all  --  any    any     anywhere             localhost
    0     0 ISTIO_REDIRECT  all  --  any    any     anywhere             anywhere
 
Chain ISTIO_REDIRECT (1 references)
pkts bytes target     prot opt in     out     source               destination
    0     0 REDIRECT   tcp  --  any    any     anywhere             anywhere             redir ports 15001

Outbound 流量控制

当业务容器将请求发往外部的时候比如productpage到reviews:9080端口访问,这个连接会被iptables进行redirect到127.0.0.1:15001端口上,进而被envoy处理

REDIRECT

This target is only valid in the nat table, in the PREROUTING and OUTPUT chains, and user-defined chains which are only called from those chains. It redirects the packet to the machine itself by changing the destination IP to the primary address of the incoming interface (locally-generated packets are mapped to the localhost address, 127.0.0.1 for IPv4 and ::1 for IPv6).

https://ipset.netfilter.org/iptables-extensions.man.html#lbDK

envoy中的virtualOutbound将被命中,这是一个特殊的listener,它包含有Original Destination listener filter 即注意以下配置中的"useOriginalDst": true 这样配置后,envoy会在配置中重新查找能够匹配的listener,如果找到则按命中的listener进行后续处理,如果找不到,就将请求交给本listener中cluster,这里是一个passthroughcluster, 这个cluster将会把包直接四层转发出去。

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[root@k8s-master-v1-16 ~]# istioctl proxy-config listener productpage-v1-7f4cc988c6-qxqjs.istio-bookinfo --port 15001 -o json
[
    {
        "name": "virtualOutbound",
        "address": {
            "socketAddress": {
                "address": "0.0.0.0",
                "portValue": 15001
            }
        },
        "filterChains": [
            {
                "filters": [
                    {
                        "name": "istio.stats",
                        "typedConfig": {
                            "@type": "type.googleapis.com/udpa.type.v1.TypedStruct",
                            "typeUrl": "type.googleapis.com/envoy.extensions.filters.network.wasm.v3.Wasm",
                            "value": {
                                "config": {
                                    "configuration": "{\n  \"debug\": \"false\",\n  \"stat_prefix\": \"istio\"\n}\n",
                                    "root_id": "stats_outbound",
                                    "vm_config": {
                                        "code": {
                                            "local": {
                                                "inline_string": "envoy.wasm.stats"
                                            }
                                        },
                                        "runtime": "envoy.wasm.runtime.null",
                                        "vm_id": "tcp_stats_outbound"
                                    }
                                }
                            }
                        }
                    },
                    {
                        "name": "envoy.tcp_proxy",
                        "typedConfig": {
                            "@type": "type.googleapis.com/envoy.config.filter.network.tcp_proxy.v2.TcpProxy",
                            "statPrefix": "PassthroughCluster",
                            "cluster": "PassthroughCluster",
                            "accessLog": [
                                {
                                    "name": "envoy.file_access_log",
                                    "typedConfig": {
                                        "@type": "type.googleapis.com/envoy.config.accesslog.v2.FileAccessLog",
                                        "path": "/dev/stdout",
                                        "format": "[%START_TIME%] \"%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%\" %RESPONSE_CODE% %RESPONSE_FLAGS% \"%DYNAMIC_METADATA(istio.mixer:status)%\" \"%UPSTREAM_TRANSPORT_FAILURE_REASON%\" %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% \"%REQ(X-FORWARDED-FOR)%\" \"%REQ(USER-AGENT)%\" \"%REQ(X-REQUEST-ID)%\" \"%REQ(:AUTHORITY)%\" \"%UPSTREAM_HOST%\" %UPSTREAM_CLUSTER% %UPSTREAM_LOCAL_ADDRESS% %DOWNSTREAM_LOCAL_ADDRESS% %DOWNSTREAM_REMOTE_ADDRESS% %REQUESTED_SERVER_NAME% %ROUTE_NAME%\n"
                                    }
                                }
                            ]
                        }
                    }
                ],
                "name": "virtualOutbound-catchall-tcp"
            }
        ],
        "useOriginalDst": true,
        "trafficDirection": "OUTBOUND"
    }
]

上面这个listener将会把连接交给能匹配原始目的IP与端口的listener,在bookinfo的例子中将会交给9080的 listener。这里有个问题需要思考,从envoy角度这个链接的目的端口已经是15001了,为什么还能匹配上下面的0.0.0.0:9080端口呢。这里是因为在iptables进行redirect时候是在系统内核里做的NAT,系统内核是有这个转换的存储的,envoy通过getsockopt()获取真实的目的端口,这样就能正确匹配到业务listener了。

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[root@k8s-master-v1-16 ~]# istioctl proxy-config listener productpage-v1-7f4cc988c6-qxqjs.istio-bookinfo --port 9080 -o json
[
    {
        "name": "0.0.0.0_9080",
        "address": {
            "socketAddress": {
                "address": "0.0.0.0",
                "portValue": 9080
            }
        },
        "filterChains": [
            {
                "filterChainMatch": {
                    "applicationProtocols": [
                        "http/1.0",
                        "http/1.1",
                        "h2c"
                    ]
                },
                "filters": [
                    {
                        "name": "envoy.http_connection_manager",
                        "typedConfig": {
                            "@type": "type.googleapis.com/envoy.config.filter.network.http_connection_manager.v2.HttpConnectionManager",
                            "statPrefix": "outbound_0.0.0.0_9080",
                            "rds": {
                                "configSource": {
                                    "ads": {}
                                },
                                "routeConfigName": "9080"
                            },
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[root@k8s-master-v1-16 ~]# istioctl proxy-config listener productpage-v1-7f4cc988c6-qxqjs.istio-bookinfo
ADDRESS            PORT      TYPE
10.102.252.88      15012     TCP
10.96.122.225      31400     TCP
10.96.0.10         53        TCP
10.110.88.185      15443     TCP
10.96.122.225      15443     TCP
10.110.88.185      443       TCP
10.102.252.88      443       TCP
10.106.109.172     9001      TCP
10.96.0.1          443       TCP
10.96.122.225      443       TCP
10.106.109.172     9000      TCP
10.105.130.171     14267     HTTP+TCP
10.96.81.27        5601      HTTP+TCP
0.0.0.0            15014     HTTP+TCP
10.105.130.171     14250     HTTP+TCP
0.0.0.0            20001     HTTP+TCP
0.0.0.0            9411      HTTP+TCP
10.111.37.34       9090      HTTP+TCP
10.105.145.36      80        HTTP+TCP
10.105.130.171     14268     HTTP+TCP
10.96.0.10         9153      HTTP+TCP
10.110.244.188     80        HTTP+TCP
10.102.252.88      853       HTTP+TCP
10.99.139.251      16686     HTTP+TCP
0.0.0.0            12345     HTTP+TCP
10.103.155.149     80        HTTP+TCP
0.0.0.0            8000      HTTP+TCP
0.0.0.0            15010     HTTP+TCP
10.96.122.225      15020     HTTP+TCP
0.0.0.0            9090      HTTP+TCP
10.107.150.251     80        HTTP+TCP
0.0.0.0            14250     HTTP+TCP
0.0.0.0            80        HTTP+TCP
0.0.0.0            3000      HTTP+TCP
10.110.28.96       8181      HTTP+TCP
10.102.69.143      9200      HTTP+TCP
0.0.0.0            9080      HTTP+TCP 《《《《《《《《《《《《
0.0.0.0            15001     TCP 《《《《《《《《《《《《
0.0.0.0            15006     HTTP+TCP
0.0.0.0            15090     HTTP
0.0.0.0            15021     HTTP

相关的passthrough cluster:

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[root@k8s-master-v1-16 ~]# istioctl proxy-config cluster productpage-v1-7f4cc988c6-qxqjs.istio-bookinfo --fqdn PassthroughCluster -o json
[
。。。。忽略。。。
    {
        "name": "PassthroughCluster",
        "type": "ORIGINAL_DST",
        "connectTimeout": "10s",
        "lbPolicy": "CLUSTER_PROVIDED",
        "circuitBreakers": {
            "thresholds": [
                {
                    "maxConnections": 4294967295,
                    "maxPendingRequests": 4294967295,
                    "maxRequests": 4294967295,
                    "maxRetries": 4294967295
                }
            ]
        },
        "filters": [
            {
                "name": "istio.metadata_exchange",
                "typedConfig": {
                    "@type": "type.googleapis.com/udpa.type.v1.TypedStruct",
                    "typeUrl": "type.googleapis.com/envoy.tcp.metadataexchange.config.MetadataExchange",
                    "value": {
                        "protocol": "istio-peer-exchange"
                    }
                }
            }
        ]
    }
]

Inbound流量控制

当是一个inbound的请求时候,这个时候包的目的地址是pod的IP,目的端口是业务的真实端口(9080,非svc的映射port),由于iptables这个链接目的端口被重改为15006了,会命中virtual inbound listener(0.0.0.0:15006), 这个listener里有一系列的filterchain,和virtualoutbound的listener配置方法不同,在virtualinbound里包含了一系列具体端口的实际业务filter,连接将在这些fitlers里找到具体的业务匹配。那它是怎么匹配到真的9080的业务的?比如下面的输出:
addressPrefix是可以匹配的,如果这个pod实际有多个port的话,仅addressPrefix匹配不行,还需要匹配应用层协议,但是Match条件里的destinationPort没有被匹配,实际上这里和Virtualoutbound类似,也使用了original destination这个listener的filter,因此envoy将从内核里获取到真实的目的端口与IP,这个配置方法与virtualoutbound的"useOriginalDst": true 配置方法不同,因为这是一个更新的配置方式,"useOriginalDst": true这种配置方式即将被废弃。

"listenerFilters": [ { "name": "envoy.listener.original_dst", "typedConfig": { "@type": "type.googleapis.com/envoy.config.filter.listener.original_dst.v2.OriginalDst" } },

(根据https://www.envoyproxy.io/docs/envoy/latest/api-v2/api/v2/listener/listener_components.proto, filtermatch条件是要全部匹配才可以)

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            {
                "filterChainMatch": {
                    "destinationPort": 9080,
                    "prefixRanges": [
                        {
                            "addressPrefix": "10.244.2.138",
                            "prefixLen": 32
                        }
                    ],
### 根据https://istio.io/latest/zh/docs/ops/deployment/requirements/ ,
### 同一个业务端口是不能被两个用不同协议的svc来发布的,因此这帮助避免了同端口同协议的match在整个配置文件里的出现。
                    "applicationProtocols": [
                        "istio",
                        "istio-http/1.0",
                        "istio-http/1.1",
                        "istio-h2"
                    ]
                },
                "filters": [
                    {
                        "name": "istio.metadata_exchange",
                        "typedConfig": {
                            "@type": "type.googleapis.com/udpa.type.v1.TypedStruct",
                            "typeUrl": "type.googleapis.com/envoy.tcp.metadataexchange.config.MetadataExchange",
                            "value": {
                                "protocol": "istio-peer-exchange"
                            }
                        }
                    },
                    {
                        "name": "envoy.http_connection_manager",
                        "typedConfig": {
                            "@type": "type.googleapis.com/envoy.config.filter.network.http_connection_manager.v2.HttpConnectionManager",
                            "statPrefix": "inbound_10.244.2.138_9080",
                            "routeConfig": {
                                "name": "inbound|9080|http|productpage.istio-bookinfo.svc.cluster.local",
                                "virtualHosts": [
                                    {
                                        "name": "inbound|http|9080",
                                        "domains": [
                                            "*"
                                        ],
                                        "routes": [
                                            {
                                                "name": "default",
                                                "match": {
                                                    "prefix": "/"
                                                },
                                                "route": {
                                                    "cluster": "inbound|9080|http|productpage.istio-bookinfo.svc.cluster.local",
                                                    "timeout": "0s",
                                                    "maxGrpcTimeout": "0s"
                                                },
                                                "decorator": {
                                                    "operation": "productpage.istio-bookinfo.svc.cluster.local:9080/*"
                                                }
                                            }
                                        ]
                                    }
                                ],

附15006的实际配置

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[root@k8s-master-v1-16 ~]# istioctl proxy-config listener productpage-v1-7f4cc988c6-qxqjs.istio-bookinfo --port 15006 -o json
[
    {
        "name": "virtualInbound",
        "address": {
            "socketAddress": {
                "address": "0.0.0.0",
                "portValue": 15006
            }
        },
        "filterChains": [
            {
                "filterChainMatch": {
                    "prefixRanges": [
                        {
                            "addressPrefix": "0.0.0.0",
                            "prefixLen": 0
                        }
                    ],
                    "transportProtocol": "tls",
                    "applicationProtocols": [
                        "istio-peer-exchange",
                        "istio"
                    ]
                },
                "filters": [
                    {
                        "name": "istio.metadata_exchange",
                        "typedConfig": {
                            "@type": "type.googleapis.com/udpa.type.v1.TypedStruct",
                            "typeUrl": "type.googleapis.com/envoy.tcp.metadataexchange.config.MetadataExchange",
                            "value": {
                                "protocol": "istio-peer-exchange"
                            }
                        }
                    },
                    {
                        "name": "istio.stats",
                        "typedConfig": {
                            "@type": "type.googleapis.com/udpa.type.v1.TypedStruct",
                            "typeUrl": "type.googleapis.com/envoy.extensions.filters.network.wasm.v3.Wasm",
                            "value": {
                                "config": {
                                    "configuration": "{\n  \"debug\": \"false\",\n  \"stat_prefix\": \"istio\"\n}\n",
                                    "root_id": "stats_inbound",
                                    "vm_config": {
                                        "code": {
                                            "local": {
                                                "inline_string": "envoy.wasm.stats"
                                            }
                                        },
                                        "runtime": "envoy.wasm.runtime.null",
                                        "vm_id": "tcp_stats_inbound"
                                    }
                                }
                            }
                        }
                    },
                    {
                        "name": "envoy.tcp_proxy",
                        "typedConfig": {
                            "@type": "type.googleapis.com/envoy.config.filter.network.tcp_proxy.v2.TcpProxy",
                            "statPrefix": "InboundPassthroughClusterIpv4",
                            "cluster": "InboundPassthroughClusterIpv4",
                            "accessLog": [
                                {
                                    "name": "envoy.file_access_log",
                                    "typedConfig": {
                                        "@type": "type.googleapis.com/envoy.config.accesslog.v2.FileAccessLog",
                                        "path": "/dev/stdout",
                                        "format": "[%START_TIME%] \"%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%\" %RESPONSE_CODE% %RESPONSE_FLAGS% \"%DYNAMIC_METADATA(istio.mixer:status)%\" \"%UPSTREAM_TRANSPORT_FAILURE_REASON%\" %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% \"%REQ(X-FORWARDED-FOR)%\" \"%REQ(USER-AGENT)%\" \"%REQ(X-REQUEST-ID)%\" \"%REQ(:AUTHORITY)%\" \"%UPSTREAM_HOST%\" %UPSTREAM_CLUSTER% %UPSTREAM_LOCAL_ADDRESS% %DOWNSTREAM_LOCAL_ADDRESS% %DOWNSTREAM_REMOTE_ADDRESS% %REQUESTED_SERVER_NAME% %ROUTE_NAME%\n"
                                    }
                                }
                            ]
                        }
                    }
                ],
                "transportSocket": {
                    "name": "envoy.transport_sockets.tls",
                    "typedConfig": {
                        "@type": "type.googleapis.com/envoy.api.v2.auth.DownstreamTlsContext",
                        "commonTlsContext": {
                            "tlsCertificateSdsSecretConfigs": [
                                {
                                    "name": "default",
                                    "sdsConfig": {
                                        "apiConfigSource": {
                                            "apiType": "GRPC",
                                            "grpcServices": [
                                                {
                                                    "envoyGrpc": {
                                                        "clusterName": "sds-grpc"
                                                    }
                                                }
                                            ]
                                        }
                                    }
                                }
                            ],
                            "combinedValidationContext": {
                                "defaultValidationContext": {},
                                "validationContextSdsSecretConfig": {
                                    "name": "ROOTCA",
                                    "sdsConfig": {
                                        "apiConfigSource": {
                                            "apiType": "GRPC",
                                            "grpcServices": [
                                                {
                                                    "envoyGrpc": {
                                                        "clusterName": "sds-grpc"
                                                    }
                                                }
                                            ]
                                        }
                                    }
                                }
                            },
                            "alpnProtocols": [
                                "istio-peer-exchange",
                                "h2",
                                "http/1.1"
                            ]
                        },
                        "requireClientCertificate": true
                    }
                },
                "name": "virtualInbound"
            },
            {
                "filterChainMatch": {
                    "prefixRanges": [
                        {
                            "addressPrefix": "0.0.0.0",
                            "prefixLen": 0
                        }
                    ]
                },
                "filters": [
                    {
                        "name": "istio.metadata_exchange",
                        "typedConfig": {
                            "@type": "type.googleapis.com/udpa.type.v1.TypedStruct",
                            "typeUrl": "type.googleapis.com/envoy.tcp.metadataexchange.config.MetadataExchange",
                            "value": {
                                "protocol": "istio-peer-exchange"
                            }
                        }
                    },
                    {
                        "name": "istio.stats",
                        "typedConfig": {
                            "@type": "type.googleapis.com/udpa.type.v1.TypedStruct",
                            "typeUrl": "type.googleapis.com/envoy.extensions.filters.network.wasm.v3.Wasm",
                            "value": {
                                "config": {
                                    "configuration": "{\n  \"debug\": \"false\",\n  \"stat_prefix\": \"istio\"\n}\n",
                                    "root_id": "stats_inbound",
                                    "vm_config": {
                                        "code": {
                                            "local": {
                                                "inline_string": "envoy.wasm.stats"
                                            }
                                        },
                                        "runtime": "envoy.wasm.runtime.null",
                                        "vm_id": "tcp_stats_inbound"
                                    }
                                }
                            }
                        }
                    },
                    {
                        "name": "envoy.tcp_proxy",
                        "typedConfig": {
                            "@type": "type.googleapis.com/envoy.config.filter.network.tcp_proxy.v2.TcpProxy",
                            "statPrefix": "InboundPassthroughClusterIpv4",
                            "cluster": "InboundPassthroughClusterIpv4",
                            "accessLog": [
                                {
                                    "name": "envoy.file_access_log",
                                    "typedConfig": {
                                        "@type": "type.googleapis.com/envoy.config.accesslog.v2.FileAccessLog",
                                        "path": "/dev/stdout",
                                        "format": "[%START_TIME%] \"%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%\" %RESPONSE_CODE% %RESPONSE_FLAGS% \"%DYNAMIC_METADATA(istio.mixer:status)%\" \"%UPSTREAM_TRANSPORT_FAILURE_REASON%\" %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% \"%REQ(X-FORWARDED-FOR)%\" \"%REQ(USER-AGENT)%\" \"%REQ(X-REQUEST-ID)%\" \"%REQ(:AUTHORITY)%\" \"%UPSTREAM_HOST%\" %UPSTREAM_CLUSTER% %UPSTREAM_LOCAL_ADDRESS% %DOWNSTREAM_LOCAL_ADDRESS% %DOWNSTREAM_REMOTE_ADDRESS% %REQUESTED_SERVER_NAME% %ROUTE_NAME%\n"
                                    }
                                }
                            ]
                        }
                    }
                ],
                "name": "virtualInbound"
            },
            {
                "filterChainMatch": {
                    "prefixRanges": [
                        {
                            "addressPrefix": "0.0.0.0",
                            "prefixLen": 0
                        }
                    ],
                    "transportProtocol": "tls",
                    "applicationProtocols": [
                        "http/1.0",
                        "http/1.1",
                        "h2c",
                        "istio-http/1.0",
                        "istio-http/1.1",
                        "istio-h2"
                    ]
                },
                "filters": [
                    {
                        "name": "istio.metadata_exchange",
                        "typedConfig": {
                            "@type": "type.googleapis.com/udpa.type.v1.TypedStruct",
                            "typeUrl": "type.googleapis.com/envoy.tcp.metadataexchange.config.MetadataExchange",
                            "value": {
                                "protocol": "istio-peer-exchange"
                            }
                        }
                    },
                    {
                        "name": "envoy.http_connection_manager",
                        "typedConfig": {
                            "@type": "type.googleapis.com/envoy.config.filter.network.http_connection_manager.v2.HttpConnectionManager",
                            "statPrefix": "InboundPassthroughClusterIpv4",
                            "routeConfig": {
                                "name": "InboundPassthroughClusterIpv4",
                                "virtualHosts": [
                                    {
                                        "name": "inbound|http|0",
                                        "domains": [
                                            "*"
                                        ],
                                        "routes": [
                                            {
                                                "name": "default",
                                                "match": {
                                                    "prefix": "/"
                                                },
                                                "route": {
                                                    "cluster": "InboundPassthroughClusterIpv4",
                                                    "timeout": "0s",
                                                    "maxGrpcTimeout": "0s"
                                                },
                                                "decorator": {
                                                    "operation": ":0/*"
                                                }
                                            }
                                        ]
                                    }
                                ],
                                "validateClusters": false
                            },
                            "httpFilters": [
                                {
                                    "name": "istio.metadata_exchange",
                                    "typedConfig": {
                                        "@type": "type.googleapis.com/udpa.type.v1.TypedStruct",
                                        "typeUrl": "type.googleapis.com/envoy.extensions.filters.http.wasm.v3.Wasm",
                                        "value": {
                                            "config": {
                                                "configuration": "{}\n",
                                                "vm_config": {
                                                    "code": {
                                                        "local": {
                                                            "inline_string": "envoy.wasm.metadata_exchange"
                                                        }
                                                    },
                                                    "runtime": "envoy.wasm.runtime.null"
                                                }
                                            }
                                        }
                                    }
                                },
                                {
                                    "name": "envoy.cors",
                                    "typedConfig": {
                                        "@type": "type.googleapis.com/envoy.config.filter.http.cors.v2.Cors"
                                    }
                                },
                                {
                                    "name": "envoy.fault",
                                    "typedConfig": {
                                        "@type": "type.googleapis.com/envoy.config.filter.http.fault.v2.HTTPFault"
                                    }
                                },
                                {
                                    "name": "istio.stats",
                                    "typedConfig": {
                                        "@type": "type.googleapis.com/udpa.type.v1.TypedStruct",
                                        "typeUrl": "type.googleapis.com/envoy.extensions.filters.http.wasm.v3.Wasm",
                                        "value": {
                                            "config": {
                                                "configuration": "{\n  \"debug\": \"false\",\n  \"stat_prefix\": \"istio\"\n}\n",
                                                "root_id": "stats_inbound",
                                                "vm_config": {
                                                    "code": {
                                                        "local": {
                                                            "inline_string": "envoy.wasm.stats"
                                                        }
                                                    },
                                                    "runtime": "envoy.wasm.runtime.null",
                                                    "vm_id": "stats_inbound"
                                                }
                                            }
                                        }
                                    }
                                },
                                {
                                    "name": "envoy.router",
                                    "typedConfig": {
                                        "@type": "type.googleapis.com/envoy.config.filter.http.router.v2.Router"
                                    }
                                }
                            ],
                            "tracing": {
                                "clientSampling": {
                                    "value": 100
                                },
                                "randomSampling": {
                                    "value": 100
                                },
                                "overallSampling": {
                                    "value": 100
                                }
                            },
                            "serverName": "istio-envoy",
                            "streamIdleTimeout": "0s",
                            "accessLog": [
                                {
                                    "name": "envoy.file_access_log",
                                    "typedConfig": {
                                        "@type": "type.googleapis.com/envoy.config.accesslog.v2.FileAccessLog",
                                        "path": "/dev/stdout",
                                        "format": "[%START_TIME%] \"%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%\" %RESPONSE_CODE% %RESPONSE_FLAGS% \"%DYNAMIC_METADATA(istio.mixer:status)%\" \"%UPSTREAM_TRANSPORT_FAILURE_REASON%\" %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% \"%REQ(X-FORWARDED-FOR)%\" \"%REQ(USER-AGENT)%\" \"%REQ(X-REQUEST-ID)%\" \"%REQ(:AUTHORITY)%\" \"%UPSTREAM_HOST%\" %UPSTREAM_CLUSTER% %UPSTREAM_LOCAL_ADDRESS% %DOWNSTREAM_LOCAL_ADDRESS% %DOWNSTREAM_REMOTE_ADDRESS% %REQUESTED_SERVER_NAME% %ROUTE_NAME%\n"
                                    }
                                }
                            ],
                            "useRemoteAddress": false,
                            "generateRequestId": true,
                            "forwardClientCertDetails": "APPEND_FORWARD",
                            "setCurrentClientCertDetails": {
                                "subject": true,
                                "dns": true,
                                "uri": true
                            },
                            "upgradeConfigs": [
                                {
                                    "upgradeType": "websocket"
                                }
                            ],
                            "normalizePath": true
                        }
                    }
                ],
                "transportSocket": {
                    "name": "envoy.transport_sockets.tls",
                    "typedConfig": {
                        "@type": "type.googleapis.com/envoy.api.v2.auth.DownstreamTlsContext",
                        "commonTlsContext": {
                            "tlsCertificateSdsSecretConfigs": [
                                {
                                    "name": "default",
                                    "sdsConfig": {
                                        "apiConfigSource": {
                                            "apiType": "GRPC",
                                            "grpcServices": [
                                                {
                                                    "envoyGrpc": {
                                                        "clusterName": "sds-grpc"
                                                    }
                                                }
                                            ]
                                        }
                                    }
                                }
                            ],
                            "combinedValidationContext": {
                                "defaultValidationContext": {},
                                "validationContextSdsSecretConfig": {
                                    "name": "ROOTCA",
                                    "sdsConfig": {
                                        "apiConfigSource": {
                                            "apiType": "GRPC",
                                            "grpcServices": [
                                                {
                                                    "envoyGrpc": {
                                                        "clusterName": "sds-grpc"
                                                    }
                                                }
                                            ]
                                        }
                                    }
                                }
                            },
                            "alpnProtocols": [
                                "h2",
                                "http/1.1"
                            ]
                        },
                        "requireClientCertificate": true
                    }
                },
                "name": "virtualInbound-catchall-http"
            },
            {
                "filterChainMatch": {
                    "prefixRanges": [
                        {
                            "addressPrefix": "0.0.0.0",
                            "prefixLen": 0
                        }
                    ],
                    "applicationProtocols": [
                        "http/1.0",
                        "http/1.1",
                        "h2c"
                    ]
                },
                "filters": [
                    {
                        "name": "istio.metadata_exchange",
                        "typedConfig": {
                            "@type": "type.googleapis.com/udpa.type.v1.TypedStruct",
                            "typeUrl": "type.googleapis.com/envoy.tcp.metadataexchange.config.MetadataExchange",
                            "value": {
                                "protocol": "istio-peer-exchange"
                            }
                        }
                    },
                    {
                        "name": "envoy.http_connection_manager",
                        "typedConfig": {
                            "@type": "type.googleapis.com/envoy.config.filter.network.http_connection_manager.v2.HttpConnectionManager",
                            "statPrefix": "InboundPassthroughClusterIpv4",
                            "routeConfig": {
                                "name": "InboundPassthroughClusterIpv4",
                                "virtualHosts": [
                                    {
                                        "name": "inbound|http|0",
                                        "domains": [
                                            "*"
                                        ],
                                        "routes": [
                                            {
                                                "name": "default",
                                                "match": {
                                                    "prefix": "/"
                                                },
                                                "route": {
                                                    "cluster": "InboundPassthroughClusterIpv4",
                                                    "timeout": "0s",
                                                    "maxGrpcTimeout": "0s"
                                                },
                                                "decorator": {
                                                    "operation": ":0/*"
                                                }
                                            }
                                        ]
                                    }
                                ],
                                "validateClusters": false
                            },
                            "httpFilters": [
                                {
                                    "name": "istio.metadata_exchange",
                                    "typedConfig": {
                                        "@type": "type.googleapis.com/udpa.type.v1.TypedStruct",
                                        "typeUrl": "type.googleapis.com/envoy.extensions.filters.http.wasm.v3.Wasm",
                                        "value": {
                                            "config": {
                                                "configuration": "{}\n",
                                                "vm_config": {
                                                    "code": {
                                                        "local": {
                                                            "inline_string": "envoy.wasm.metadata_exchange"
                                                        }
                                                    },
                                                    "runtime": "envoy.wasm.runtime.null"
                                                }
                                            }
                                        }
                                    }
                                },
                                {
                                    "name": "envoy.cors",
                                    "typedConfig": {
                                        "@type": "type.googleapis.com/envoy.config.filter.http.cors.v2.Cors"
                                    }
                                },
                                {
                                    "name": "envoy.fault",
                                    "typedConfig": {
                                        "@type": "type.googleapis.com/envoy.config.filter.http.fault.v2.HTTPFault"
                                    }
                                },
                                {
                                    "name": "istio.stats",
                                    "typedConfig": {
                                        "@type": "type.googleapis.com/udpa.type.v1.TypedStruct",
                                        "typeUrl": "type.googleapis.com/envoy.extensions.filters.http.wasm.v3.Wasm",
                                        "value": {
                                            "config": {
                                                "configuration": "{\n  \"debug\": \"false\",\n  \"stat_prefix\": \"istio\"\n}\n",
                                                "root_id": "stats_inbound",
                                                "vm_config": {
                                                    "code": {
                                                        "local": {
                                                            "inline_string": "envoy.wasm.stats"
                                                        }
                                                    },
                                                    "runtime": "envoy.wasm.runtime.null",
                                                    "vm_id": "stats_inbound"
                                                }
                                            }
                                        }
                                    }
                                },
                                {
                                    "name": "envoy.router",
                                    "typedConfig": {
                                        "@type": "type.googleapis.com/envoy.config.filter.http.router.v2.Router"
                                    }
                                }
                            ],
                            "tracing": {
                                "clientSampling": {
                                    "value": 100
                                },
                                "randomSampling": {
                                    "value": 100
                                },
                                "overallSampling": {
                                    "value": 100
                                }
                            },
                            "serverName": "istio-envoy",
                            "streamIdleTimeout": "0s",
                            "accessLog": [
                                {
                                    "name": "envoy.file_access_log",
                                    "typedConfig": {
                                        "@type": "type.googleapis.com/envoy.config.accesslog.v2.FileAccessLog",
                                        "path": "/dev/stdout",
                                        "format": "[%START_TIME%] \"%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%\" %RESPONSE_CODE% %RESPONSE_FLAGS% \"%DYNAMIC_METADATA(istio.mixer:status)%\" \"%UPSTREAM_TRANSPORT_FAILURE_REASON%\" %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% \"%REQ(X-FORWARDED-FOR)%\" \"%REQ(USER-AGENT)%\" \"%REQ(X-REQUEST-ID)%\" \"%REQ(:AUTHORITY)%\" \"%UPSTREAM_HOST%\" %UPSTREAM_CLUSTER% %UPSTREAM_LOCAL_ADDRESS% %DOWNSTREAM_LOCAL_ADDRESS% %DOWNSTREAM_REMOTE_ADDRESS% %REQUESTED_SERVER_NAME% %ROUTE_NAME%\n"
                                    }
                                }
                            ],
                            "useRemoteAddress": false,
                            "generateRequestId": true,
                            "forwardClientCertDetails": "APPEND_FORWARD",
                            "setCurrentClientCertDetails": {
                                "subject": true,
                                "dns": true,
                                "uri": true
                            },
                            "upgradeConfigs": [
                                {
                                    "upgradeType": "websocket"
                                }
                            ],
                            "normalizePath": true
                        }
                    }
                ],
                "name": "virtualInbound-catchall-http"
            },
            {
                "filterChainMatch": {
                    "destinationPort": 15021,
                    "prefixRanges": [
                        {
                            "addressPrefix": "10.244.2.155",
                            "prefixLen": 32
                        }
                    ]
                },
                "filters": [
                    {
                        "name": "istio.metadata_exchange",
                        "typedConfig": {
                            "@type": "type.googleapis.com/udpa.type.v1.TypedStruct",
                            "typeUrl": "type.googleapis.com/envoy.tcp.metadataexchange.config.MetadataExchange",
                            "value": {
                                "protocol": "istio-peer-exchange"
                            }
                        }
                    },
                    {
                        "name": "istio.stats",
                        "typedConfig": {
                            "@type": "type.googleapis.com/udpa.type.v1.TypedStruct",
                            "typeUrl": "type.googleapis.com/envoy.extensions.filters.network.wasm.v3.Wasm",
                            "value": {
                                "config": {
                                    "configuration": "{\n  \"debug\": \"false\",\n  \"stat_prefix\": \"istio\"\n}\n",
                                    "root_id": "stats_inbound",
                                    "vm_config": {
                                        "code": {
                                            "local": {
                                                "inline_string": "envoy.wasm.stats"
                                            }
                                        },
                                        "runtime": "envoy.wasm.runtime.null",
                                        "vm_id": "tcp_stats_inbound"
                                    }
                                }
                            }
                        }
                    },
                    {
                        "name": "envoy.tcp_proxy",
                        "typedConfig": {
                            "@type": "type.googleapis.com/envoy.config.filter.network.tcp_proxy.v2.TcpProxy",
                            "statPrefix": "inbound|15021|mgmt-15021|mgmtCluster",
                            "cluster": "inbound|15021|mgmt-15021|mgmtCluster",
                            "accessLog": [
                                {
                                    "name": "envoy.file_access_log",
                                    "typedConfig": {
                                        "@type": "type.googleapis.com/envoy.config.accesslog.v2.FileAccessLog",
                                        "path": "/dev/stdout",
                                        "format": "[%START_TIME%] \"%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%\" %RESPONSE_CODE% %RESPONSE_FLAGS% \"%DYNAMIC_METADATA(istio.mixer:status)%\" \"%UPSTREAM_TRANSPORT_FAILURE_REASON%\" %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% \"%REQ(X-FORWARDED-FOR)%\" \"%REQ(USER-AGENT)%\" \"%REQ(X-REQUEST-ID)%\" \"%REQ(:AUTHORITY)%\" \"%UPSTREAM_HOST%\" %UPSTREAM_CLUSTER% %UPSTREAM_LOCAL_ADDRESS% %DOWNSTREAM_LOCAL_ADDRESS% %DOWNSTREAM_REMOTE_ADDRESS% %REQUESTED_SERVER_NAME% %ROUTE_NAME%\n"
                                    }
                                }
                            ]
                        }
                    }
                ],
                "name": "10.244.2.155_15021"
            },
            {
                "filterChainMatch": {
                    "destinationPort": 9080,
                    "prefixRanges": [
                        {
                            "addressPrefix": "10.244.2.155",
                            "prefixLen": 32
                        }
                    ],
                    "applicationProtocols": [
                        "istio",
                        "istio-http/1.0",
                        "istio-http/1.1",
                        "istio-h2"
                    ]
                },
                "filters": [
                    {
                        "name": "istio.metadata_exchange",
                        "typedConfig": {
                            "@type": "type.googleapis.com/udpa.type.v1.TypedStruct",
                            "typeUrl": "type.googleapis.com/envoy.tcp.metadataexchange.config.MetadataExchange",
                            "value": {
                                "protocol": "istio-peer-exchange"
                            }
                        }
                    },
                    {
                        "name": "envoy.http_connection_manager",
                        "typedConfig": {
                            "@type": "type.googleapis.com/envoy.config.filter.network.http_connection_manager.v2.HttpConnectionManager",
                            "statPrefix": "inbound_10.244.2.155_9080",
                            "routeConfig": {
                                "name": "inbound|9080|http|productpage.istio-bookinfo.svc.cluster.local",
                                "virtualHosts": [
                                    {
                                        "name": "inbound|http|9080",
                                        "domains": [
                                            "*"
                                        ],
                                        "routes": [
                                            {
                                                "name": "default",
                                                "match": {
                                                    "prefix": "/"
                                                },
                                                "route": {
                                                    "cluster": "inbound|9080|http|productpage.istio-bookinfo.svc.cluster.local",
                                                    "timeout": "0s",
                                                    "maxGrpcTimeout": "0s"
                                                },
                                                "decorator": {
                                                    "operation": "productpage.istio-bookinfo.svc.cluster.local:9080/*"
                                                }
                                            }
                                        ]
                                    }
                                ],
                                "validateClusters": false
                            },
                            "httpFilters": [
                                {
                                    "name": "istio.metadata_exchange",
                                    "typedConfig": {
                                        "@type": "type.googleapis.com/udpa.type.v1.TypedStruct",
                                        "typeUrl": "type.googleapis.com/envoy.extensions.filters.http.wasm.v3.Wasm",
                                        "value": {
                                            "config": {
                                                "configuration": "{}\n",
                                                "vm_config": {
                                                    "code": {
                                                        "local": {
                                                            "inline_string": "envoy.wasm.metadata_exchange"
                                                        }
                                                    },
                                                    "runtime": "envoy.wasm.runtime.null"
                                                }
                                            }
                                        }
                                    }
                                },
                                {
                                    "name": "istio_authn",
                                    "typedConfig": {
                                        "@type": "type.googleapis.com/istio.envoy.config.filter.http.authn.v2alpha1.FilterConfig",
                                        "policy": {
                                            "peers": [
                                                {
                                                    "mtls": {
                                                        "mode": "PERMISSIVE"
                                                    }
                                                }
                                            ]
                                        }
                                    }
                                },
                                {
                                    "name": "envoy.cors",
                                    "typedConfig": {
                                        "@type": "type.googleapis.com/envoy.config.filter.http.cors.v2.Cors"
                                    }
                                },
                                {
                                    "name": "envoy.fault",
                                    "typedConfig": {
                                        "@type": "type.googleapis.com/envoy.config.filter.http.fault.v2.HTTPFault"
                                    }
                                },
                                {
                                    "name": "istio.stats",
                                    "typedConfig": {
                                        "@type": "type.googleapis.com/udpa.type.v1.TypedStruct",
                                        "typeUrl": "type.googleapis.com/envoy.extensions.filters.http.wasm.v3.Wasm",
                                        "value": {
                                            "config": {
                                                "configuration": "{\n  \"debug\": \"false\",\n  \"stat_prefix\": \"istio\"\n}\n",
                                                "root_id": "stats_inbound",
                                                "vm_config": {
                                                    "code": {
                                                        "local": {
                                                            "inline_string": "envoy.wasm.stats"
                                                        }
                                                    },
                                                    "runtime": "envoy.wasm.runtime.null",
                                                    "vm_id": "stats_inbound"
                                                }
                                            }
                                        }
                                    }
                                },
                                {
                                    "name": "envoy.router",
                                    "typedConfig": {
                                        "@type": "type.googleapis.com/envoy.config.filter.http.router.v2.Router"
                                    }
                                }
                            ],
                            "tracing": {
                                "clientSampling": {
                                    "value": 100
                                },
                                "randomSampling": {
                                    "value": 100
                                },
                                "overallSampling": {
                                    "value": 100
                                }
                            },
                            "serverName": "istio-envoy",
                            "streamIdleTimeout": "0s",
                            "accessLog": [
                                {
                                    "name": "envoy.file_access_log",
                                    "typedConfig": {
                                        "@type": "type.googleapis.com/envoy.config.accesslog.v2.FileAccessLog",
                                        "path": "/dev/stdout",
                                        "format": "[%START_TIME%] \"%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%\" %RESPONSE_CODE% %RESPONSE_FLAGS% \"%DYNAMIC_METADATA(istio.mixer:status)%\" \"%UPSTREAM_TRANSPORT_FAILURE_REASON%\" %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% \"%REQ(X-FORWARDED-FOR)%\" \"%REQ(USER-AGENT)%\" \"%REQ(X-REQUEST-ID)%\" \"%REQ(:AUTHORITY)%\" \"%UPSTREAM_HOST%\" %UPSTREAM_CLUSTER% %UPSTREAM_LOCAL_ADDRESS% %DOWNSTREAM_LOCAL_ADDRESS% %DOWNSTREAM_REMOTE_ADDRESS% %REQUESTED_SERVER_NAME% %ROUTE_NAME%\n"
                                    }
                                }
                            ],
                            "useRemoteAddress": false,
                            "generateRequestId": true,
                            "forwardClientCertDetails": "APPEND_FORWARD",
                            "setCurrentClientCertDetails": {
                                "subject": true,
                                "dns": true,
                                "uri": true
                            },
                            "upgradeConfigs": [
                                {
                                    "upgradeType": "websocket"
                                }
                            ],
                            "normalizePath": true
                        }
                    }
                ],
                "transportSocket": {
                    "name": "envoy.transport_sockets.tls",
                    "typedConfig": {
                        "@type": "type.googleapis.com/envoy.api.v2.auth.DownstreamTlsContext",
                        "commonTlsContext": {
                            "tlsCertificateSdsSecretConfigs": [
                                {
                                    "name": "default",
                                    "sdsConfig": {
                                        "apiConfigSource": {
                                            "apiType": "GRPC",
                                            "grpcServices": [
                                                {
                                                    "envoyGrpc": {
                                                        "clusterName": "sds-grpc"
                                                    }
                                                }
                                            ]
                                        }
                                    }
                                }
                            ],
                            "combinedValidationContext": {
                                "defaultValidationContext": {},
                                "validationContextSdsSecretConfig": {
                                    "name": "ROOTCA",
                                    "sdsConfig": {
                                        "apiConfigSource": {
                                            "apiType": "GRPC",
                                            "grpcServices": [
                                                {
                                                    "envoyGrpc": {
                                                        "clusterName": "sds-grpc"
                                                    }
                                                }
                                            ]
                                        }
                                    }
                                }
                            },
                            "alpnProtocols": [
                                "h2",
                                "http/1.1"
                            ]
                        },
                        "requireClientCertificate": true
                    }
                },
                "name": "10.244.2.155_9080"
            },
            {
                "filterChainMatch": {
                    "destinationPort": 9080,
                    "prefixRanges": [
                        {
                            "addressPrefix": "10.244.2.155",
                            "prefixLen": 32
                        }
                    ]
                },
                "filters": [
                    {
                        "name": "istio.metadata_exchange",
                        "typedConfig": {
                            "@type": "type.googleapis.com/udpa.type.v1.TypedStruct",
                            "typeUrl": "type.googleapis.com/envoy.tcp.metadataexchange.config.MetadataExchange",
                            "value": {
                                "protocol": "istio-peer-exchange"
                            }
                        }
                    },
                    {
                        "name": "envoy.http_connection_manager",
                        "typedConfig": {
                            "@type": "type.googleapis.com/envoy.config.filter.network.http_connection_manager.v2.HttpConnectionManager",
                            "statPrefix": "inbound_10.244.2.155_9080",
                            "routeConfig": {
                                "name": "inbound|9080|http|productpage.istio-bookinfo.svc.cluster.local",
                                "virtualHosts": [
                                    {
                                        "name": "inbound|http|9080",
                                        "domains": [
                                            "*"
                                        ],
                                        "routes": [
                                            {
                                                "name": "default",
                                                "match": {
                                                    "prefix": "/"
                                                },
                                                "route": {
                                                    "cluster": "inbound|9080|http|productpage.istio-bookinfo.svc.cluster.local",
                                                    "timeout": "0s",
                                                    "maxGrpcTimeout": "0s"
                                                },
                                                "decorator": {
                                                    "operation": "productpage.istio-bookinfo.svc.cluster.local:9080/*"
                                                }
                                            }
                                        ]
                                    }
                                ],
                                "validateClusters": false
                            },
                            "httpFilters": [
                                {
                                    "name": "istio.metadata_exchange",
                                    "typedConfig": {
                                        "@type": "type.googleapis.com/udpa.type.v1.TypedStruct",
                                        "typeUrl": "type.googleapis.com/envoy.extensions.filters.http.wasm.v3.Wasm",
                                        "value": {
                                            "config": {
                                                "configuration": "{}\n",
                                                "vm_config": {
                                                    "code": {
                                                        "local": {
                                                            "inline_string": "envoy.wasm.metadata_exchange"
                                                        }
                                                    },
                                                    "runtime": "envoy.wasm.runtime.null"
                                                }
                                            }
                                        }
                                    }
                                },
                                {
                                    "name": "istio_authn",
                                    "typedConfig": {
                                        "@type": "type.googleapis.com/istio.envoy.config.filter.http.authn.v2alpha1.FilterConfig",
                                        "policy": {
                                            "peers": [
                                                {
                                                    "mtls": {
                                                        "mode": "PERMISSIVE"
                                                    }
                                                }
                                            ]
                                        }
                                    }
                                },
                                {
                                    "name": "envoy.cors",
                                    "typedConfig": {
                                        "@type": "type.googleapis.com/envoy.config.filter.http.cors.v2.Cors"
                                    }
                                },
                                {
                                    "name": "envoy.fault",
                                    "typedConfig": {
                                        "@type": "type.googleapis.com/envoy.config.filter.http.fault.v2.HTTPFault"
                                    }
                                },
                                {
                                    "name": "istio.stats",
                                    "typedConfig": {
                                        "@type": "type.googleapis.com/udpa.type.v1.TypedStruct",
                                        "typeUrl": "type.googleapis.com/envoy.extensions.filters.http.wasm.v3.Wasm",
                                        "value": {
                                            "config": {
                                                "configuration": "{\n  \"debug\": \"false\",\n  \"stat_prefix\": \"istio\"\n}\n",
                                                "root_id": "stats_inbound",
                                                "vm_config": {
                                                    "code": {
                                                        "local": {
                                                            "inline_string": "envoy.wasm.stats"
                                                        }
                                                    },
                                                    "runtime": "envoy.wasm.runtime.null",
                                                    "vm_id": "stats_inbound"
                                                }
                                            }
                                        }
                                    }
                                },
                                {
                                    "name": "envoy.router",
                                    "typedConfig": {
                                        "@type": "type.googleapis.com/envoy.config.filter.http.router.v2.Router"
                                    }
                                }
                            ],
                            "tracing": {
                                "clientSampling": {
                                    "value": 100
                                },
                                "randomSampling": {
                                    "value": 100
                                },
                                "overallSampling": {
                                    "value": 100
                                }
                            },
                            "serverName": "istio-envoy",
                            "streamIdleTimeout": "0s",
                            "accessLog": [
                                {
                                    "name": "envoy.file_access_log",
                                    "typedConfig": {
                                        "@type": "type.googleapis.com/envoy.config.accesslog.v2.FileAccessLog",
                                        "path": "/dev/stdout",
                                        "format": "[%START_TIME%] \"%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%\" %RESPONSE_CODE% %RESPONSE_FLAGS% \"%DYNAMIC_METADATA(istio.mixer:status)%\" \"%UPSTREAM_TRANSPORT_FAILURE_REASON%\" %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% \"%REQ(X-FORWARDED-FOR)%\" \"%REQ(USER-AGENT)%\" \"%REQ(X-REQUEST-ID)%\" \"%REQ(:AUTHORITY)%\" \"%UPSTREAM_HOST%\" %UPSTREAM_CLUSTER% %UPSTREAM_LOCAL_ADDRESS% %DOWNSTREAM_LOCAL_ADDRESS% %DOWNSTREAM_REMOTE_ADDRESS% %REQUESTED_SERVER_NAME% %ROUTE_NAME%\n"
                                    }
                                }
                            ],
                            "useRemoteAddress": false,
                            "generateRequestId": true,
                            "forwardClientCertDetails": "APPEND_FORWARD",
                            "setCurrentClientCertDetails": {
                                "subject": true,
                                "dns": true,
                                "uri": true
                            },
                            "upgradeConfigs": [
                                {
                                    "upgradeType": "websocket"
                                }
                            ],
                            "normalizePath": true
                        }
                    }
                ],
                "name": "10.244.2.155_9080"
            }
        ],
        "listenerFilters": [
            {
                "name": "envoy.listener.original_dst",
                "typedConfig": {
                    "@type": "type.googleapis.com/envoy.config.filter.listener.original_dst.v2.OriginalDst"
                }
            },
            {
                "name": "envoy.listener.tls_inspector",
                "typedConfig": {
                    "@type": "type.googleapis.com/envoy.config.filter.listener.tls_inspector.v2.TlsInspector"
                }
            },
            {
                "name": "envoy.listener.http_inspector",
                "typedConfig": {
                    "@type": "type.googleapis.com/envoy.config.filter.listener.http_inspector.v2.HttpInspector"
                }
            }
        ],
        "listenerFiltersTimeout": "1s",
        "continueOnListenerFiltersTimeout": true,
        "trafficDirection": "INBOUND"
    }
]

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本作品采用 知识共享署名-非商业性使用 4.0 国际许可协议 进行许可
标签: Inbound iptables istio istio 1.6.3 outbound sidecar
最后更新:2020年06月28日

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  • Outbound 流量控制
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