├── .github └── workflows │ └── docker-image.yml ├── .gitignore ├── Cargo.toml ├── Dockerfile ├── LICENSE ├── README.md ├── cmd.sh ├── deploy ├── config_map.yaml ├── ingress.yaml ├── pingora-ingress-ctl-src.yaml ├── pingora_ingress_ctl.yaml └── role.yaml └── src ├── infra ├── mod.rs └── url_tree.rs ├── main.rs ├── pkg ├── ingress.rs ├── mod.rs └── pod.rs └── service ├── config.rs ├── http_proxy.rs └── mod.rs /.github/workflows/docker-image.yml: -------------------------------------------------------------------------------- 1 | name: Docker Image CI 2 | 3 | on: 4 | push: 5 | branches: [ "main" ] 6 | pull_request: 7 | branches: [ "main" ] 8 | 9 | jobs: 10 | 11 | build: 12 | 13 | runs-on: ubuntu-latest 14 | 15 | steps: 16 | - uses: actions/checkout@v3 17 | name: Build the Docker image 18 | 19 | - name: Log in to Docker Hub 20 | uses: docker/login-action@v1 21 | with: 22 | username: ${{ secrets.DOCKER_HUB_USERNAME }} 23 | password: ${{ secrets.DOCKER_HUB_TOKEN }} 24 | 25 | - name: Build Docker Image 26 | run: | 27 | fullCommit="${{ github.event.commits[0].id }}" && \ 28 | docker build . --file Dockerfile --tag wdshihaoren/pingora-ingress:"${fullCommit: 0:8}" 29 | 30 | - name: Push Docker Image 31 | run: | 32 | fullCommit="${{ github.event.commits[0].id }}" && \ 33 | docker push wdshihaoren/pingora-ingress:"${fullCommit: 0:8}" 34 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | # Generated by Cargo 2 | # will have compiled files and executables 3 | debug/ 4 | target/ 5 | 6 | # Remove Cargo.lock from gitignore if creating an executable, leave it for libraries 7 | # More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html 8 | Cargo.lock 9 | 10 | # These are backup files generated by rustfmt 11 | **/*.rs.bk 12 | 13 | # MSVC Windows builds of rustc generate these, which store debugging information 14 | *.pdb 15 | .idea -------------------------------------------------------------------------------- /Cargo.toml: -------------------------------------------------------------------------------- 1 | [package] 2 | name = "pingora-ingress" 3 | version = "0.1.0" 4 | edition = "2021" 5 | authors = ["Teshin <1443965173@qq.com>"] 6 | repository = "https://github.com/woshihaoren4/pingora-ingress" 7 | keywords = ["pingora","ingress"] 8 | description = "pingora to k8s gateway" 9 | license = "Apache-2.0" 10 | readme = "README.md" 11 | 12 | [dependencies] 13 | wd_log = "0.3.0" 14 | wd_tools = {version = "0.12",features = ["point-free","sync"]} 15 | tokio = {version = "1.30.0",features = ["full"]} 16 | kube = { version = "0.90.0", features = ["runtime", "derive"] } 17 | k8s-openapi = { version = "0.21.1", features = ["v1_24"] } 18 | anyhow = "1.0.82" 19 | futures = "0.3.30" 20 | async-channel = "2.2.1" 21 | serde = { version = "1.0.198",features = ["derive"] } 22 | serde_json = "1.0.116" 23 | async-trait="0.1" 24 | pingora = { version = "0.1", features = [ "lb" ] } 25 | url = "2.5.0" -------------------------------------------------------------------------------- /Dockerfile: -------------------------------------------------------------------------------- 1 | #FROM rust:1.75 as build 2 | #WORKDIR /pingora-ingress 3 | ##COPY build.toml .cargo/config.toml 4 | ##COPY vendor vendor 5 | ##COPY Cargo.toml Cargo.lock ./ 6 | #COPY . . 7 | #RUN cargo build --release 8 | 9 | 10 | FROM frolvlad/alpine-glibc:latest 11 | #FROM alpine:3.16 12 | #ENV RUST_LOG warn 13 | EXPOSE 80 443 14 | WORKDIR /root/ 15 | #COPY --from=build /pingora-ingress/target/release/pingora-ingress . 16 | COPY target/x86_64-unknown-linux-musl/release/pingora-ingress . 17 | 18 | CMD ["./pingora-ingress", "run"] -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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We also recommend that a 185 | file or class name and description of purpose be included on the 186 | same "printed page" as the copyright notice for easier 187 | identification within third-party archives. 188 | 189 | Copyright [yyyy] [name of copyright owner] 190 | 191 | Licensed under the Apache License, Version 2.0 (the "License"); 192 | you may not use this file except in compliance with the License. 193 | You may obtain a copy of the License at 194 | 195 | http://www.apache.org/licenses/LICENSE-2.0 196 | 197 | Unless required by applicable law or agreed to in writing, software 198 | distributed under the License is distributed on an "AS IS" BASIS, 199 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 200 | See the License for the specific language governing permissions and 201 | limitations under the License. 202 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # pingora_ingress 2 | 3 | Use the pingora framework as the gateway to k8s. It monitors changes to ingress and updates automatically. 4 | 5 | ## Quick start 6 | 7 | [Reference blog](https://juejin.cn/post/7363484574158815269) 8 | 9 | ## Plan 10 | 11 | This is only an early version, and it will be improved in the future 12 | 13 | ## License 14 | 15 | This project is licensed under the Apache 2.0 general use license. You're free to integrate, fork, and play with this code as you feel fit without consulting the author, as long as you provide proper credit to the author in your works. 16 | 17 | -------------------------------------------------------------------------------- /cmd.sh: -------------------------------------------------------------------------------- 1 | #!/bin/bash 2 | 3 | function build_docker_image() { 4 | echo "start compile application..." 5 | if [ ! -e ".cargo/config.toml" ] ; then 6 | echo "mkdir .cargo;touch .cargo/config.toml" 7 | mkdir .cargo;touch .cargo/config.toml 8 | fi 9 | cargo_config_content=' 10 | [target.x86_64-unknown-linux-musl] 11 | linker = "x86_64-linux-musl-gcc"' 12 | echo "$cargo_config_content" > .cargo/config.toml 13 | echo -e "write cargo config file :\n<---$cargo_config_content\n<---" 14 | 15 | echo "clean bin file:rm target/x86_64-unknown-linux-musl/release/pingora-ingress" 16 | rm target/x86_64-unknown-linux-musl/release/pingora-ingress 17 | 18 | compile_cmd="cargo build --release --target=x86_64-unknown-linux-musl" 19 | echo $compile_cmd 20 | ${compile_cmd} 21 | echo "compile success" 22 | 23 | echo "rm -rf .cargo" 24 | rm -rf .cargo 25 | echo "cargo config file clear success." 26 | 27 | echo "start build image use docker..." 28 | if [ -n "$2" ]; then 29 | version=$2 30 | else 31 | timestamp=$(date +%s%N) 32 | version=${timestamp:2:8} 33 | fi 34 | tag="wdshihaoren/pingora-ingress:$version" 35 | build_cmd="docker build -f ./Dockerfile -t $tag ./" 36 | echo $build_cmd 37 | ${build_cmd} 38 | 39 | echo "docker build success image:$tag" 40 | docker_push_cmd="docker push $tag" 41 | echo $docker_push_cmd 42 | ${docker_push_cmd} 43 | 44 | echo "docker push success" 45 | } 46 | 47 | case $1 in 48 | docker) 49 | build_docker_image "$@" 50 | ;; 51 | run) 52 | cargo run "$@" 53 | ;; 54 | esac 55 | 56 | -------------------------------------------------------------------------------- /deploy/config_map.yaml: -------------------------------------------------------------------------------- 1 | apiVersion: v1 2 | kind: ConfigMap 3 | metadata: 4 | name: pingora-ingress-ctl-cm 5 | namespace: qa 6 | data: 7 | config.yaml: |- 8 | --- 9 | version: 1 10 | threads: 2 11 | pid_file: /tmp/load_balancer.pid 12 | error_log: /tmp/load_balancer_err.log 13 | upgrade_sock: /tmp/load_balancer.sock -------------------------------------------------------------------------------- /deploy/ingress.yaml: -------------------------------------------------------------------------------- 1 | apiVersion: networking.k8s.io/v1 2 | kind: Ingress 3 | metadata: 4 | labels: 5 | control-class: pingora 6 | name: pingora-ingress 7 | namespace: qa 8 | spec: 9 | ingressClassName: pingora 10 | rules: 11 | - host: test.com 12 | http: 13 | paths: 14 | - backend: 15 | service: 16 | name: echo-server-cluster-src 17 | port: 18 | number: 6789 19 | path: /api/v1 20 | pathType: Prefix 21 | -------------------------------------------------------------------------------- /deploy/pingora-ingress-ctl-src.yaml: -------------------------------------------------------------------------------- 1 | apiVersion: v1 2 | kind: Service 3 | metadata: 4 | name: pingora-ingress-ctl-src 5 | namespace: qa 6 | spec: 7 | externalTrafficPolicy: Cluster 8 | internalTrafficPolicy: Cluster 9 | ipFamilies: 10 | - IPv4 11 | ipFamilyPolicy: SingleStack 12 | ports: 13 | - name: http 14 | nodePort: 30003 15 | port: 30003 16 | protocol: TCP 17 | targetPort: 30003 18 | selector: 19 | app: pingora-ingress-ctl 20 | sessionAffinity: None 21 | type: NodePort -------------------------------------------------------------------------------- /deploy/pingora_ingress_ctl.yaml: -------------------------------------------------------------------------------- 1 | apiVersion: apps/v1 2 | kind: Deployment 3 | metadata: 4 | name: pingora-ingress-ctl 5 | namespace: qa 6 | spec: 7 | selector: 8 | matchLabels: 9 | app: pingora-ingress-ctl 10 | progressDeadlineSeconds: 600 11 | replicas: 1 12 | revisionHistoryLimit: 10 13 | strategy: 14 | rollingUpdate: 15 | maxSurge: 25% 16 | maxUnavailable: 25% 17 | type: RollingUpdate 18 | template: 19 | metadata: 20 | creationTimestamp: null 21 | labels: 22 | app: pingora-ingress-ctl 23 | spec: 24 | containers: 25 | # - args: 26 | # - '-c' 27 | # - /config/config.yaml 28 | - command: 29 | - ./pingora-ingress 30 | image: wdshihaoren/pingora-ingress:14294998 31 | imagePullPolicy: Always 32 | name: container-0 33 | ports: 34 | - containerPort: 30003 35 | name: http 36 | protocol: TCP 37 | resources: 38 | limits: 39 | cpu: 500m 40 | requests: 41 | cpu: 200m 42 | terminationMessagePath: /dev/termination-log 43 | terminationMessagePolicy: File 44 | # volumeMounts: 45 | # - mountPath: config 46 | # name: config 47 | # readOnly: true 48 | dnsPolicy: ClusterFirst 49 | restartPolicy: Always 50 | schedulerName: default-scheduler 51 | securityContext: {} 52 | serviceAccount: ring-sa 53 | serviceAccountName: ring-sa 54 | terminationGracePeriodSeconds: 30 55 | # volumes: 56 | # - configMap: 57 | # defaultMode: 420 58 | # name: pingora-ingress-ctl-cm 59 | # name: config -------------------------------------------------------------------------------- /deploy/role.yaml: -------------------------------------------------------------------------------- 1 | # 创建sa账户 2 | # kubectl create serviceaccount ring-sa 3 | # kubectl get sa ring-sa 4 | # kubectl describe sa ring-sa 5 | 6 | apiVersion: v1 7 | kind: ServiceAccount 8 | metadata: 9 | name: ring-sa 10 | --- 11 | 12 | kind: ClusterRole 13 | apiVersion: rbac.authorization.k8s.io/v1 14 | metadata: 15 | name: ring-clu-role 16 | rules: 17 | - apiGroups: [""] 18 | resources: ["services","events","pods"] 19 | verbs: ["get","watch","list"] 20 | - apiGroups: ["networking.k8s.io"] 21 | resources: ["ingresses","ingresses/status","ingressclasses"] 22 | verbs: ["get","watch","list"] 23 | --- 24 | 25 | apiVersion: rbac.authorization.k8s.io/v1 26 | kind: ClusterRoleBinding 27 | metadata: 28 | name: ring-clu-role-bind 29 | subjects: 30 | - kind: ServiceAccount 31 | name: ring-sa 32 | namespace: qa 33 | # apiGroup: rbac.authorization.k8s.io 34 | roleRef: 35 | kind: ClusterRole 36 | name: ring-clu-role 37 | apiGroup: rbac.authorization.k8s.io -------------------------------------------------------------------------------- /src/infra/mod.rs: -------------------------------------------------------------------------------- 1 | pub mod url_tree; -------------------------------------------------------------------------------- /src/infra/url_tree.rs: -------------------------------------------------------------------------------- 1 | use std::collections::HashMap; 2 | use std::sync::Arc; 3 | 4 | #[derive(Clone,Debug)] 5 | pub struct Node{ 6 | path:String, 7 | data:Option>, 8 | next:HashMap> 9 | } 10 | 11 | impl Default for Node { 12 | fn default() -> Self { 13 | Self{path:String::new(),data:None,next:HashMap::new()} 14 | } 15 | } 16 | 17 | impl Node{ 18 | pub fn insert_path(&mut self,path:&str,data:Arc){ 19 | if path == ""{ 20 | self.data = Some(data); 21 | return; 22 | } 23 | let ps = path.split('/').map(|x|if x == ""{ "*" }else { x}).rev().collect::>(); 24 | self.insert(ps,data); 25 | } 26 | pub fn find_by_path(&self,path:&str)->Option>{ 27 | let ps = path.split('/').rev().collect::>(); 28 | self.find(ps) 29 | } 30 | pub fn insert(&mut self, mut ps:Vec<&str>, data:Arc){ 31 | let path = if let Some(s) = ps.pop(){ 32 | s 33 | }else{ 34 | return; 35 | }; 36 | //先判断路径是否匹配 37 | if self.path.is_empty() { 38 | self.path = path.to_string(); 39 | }else if self.path.as_str() == path { 40 | 41 | }else{ 42 | panic!("Url.Tree.Node.insert unknown path:{}",path); 43 | } 44 | //看下一个 45 | let next = if let Some(p) = ps.last(){ 46 | self.next.get_mut(*p) 47 | }else{//不存在下一个，则修改当前 48 | self.data = Some(data); 49 | return; 50 | }; 51 | if let Some(next) = next{ 52 | //存在下一个则继续判断 53 | next.insert(ps,data); 54 | }else{ 55 | //不存在则新建 56 | let mut next = Node::::default(); 57 | next.insert(ps, data); 58 | self.next.insert(next.path.clone(),next); 59 | } 60 | } 61 | pub fn find(&self,mut ps:Vec<&str>)->Option>{ 62 | let path = if let Some(s) = ps.pop(){ 63 | s 64 | }else{ 65 | return None 66 | }; 67 | 68 | if self.path == "*" { 69 | 70 | }else if path != self.path { 71 | return self.data.clone() 72 | } 73 | 74 | if let Some(p) = ps.last(){ 75 | if let Some(next) = self.next.get(*p){ 76 | let res = next.find(ps); 77 | if res.is_some() { 78 | return res 79 | } 80 | }else if let Some(next ) = self.next.get("*"){ 81 | let res = next.find(ps); 82 | if res.is_some() { 83 | return res 84 | } 85 | } 86 | } 87 | return self.data.clone() 88 | } 89 | } 90 | 91 | 92 | #[cfg(test)] 93 | mod test{ 94 | use std::sync::Arc; 95 | use crate::infra::url_tree::Node; 96 | 97 | #[test] 98 | fn test_node(){ 99 | let mut root = Node::default(); 100 | 101 | root.insert_path("/api/v1/task/create",Arc::new("avtc")); 102 | root.insert_path("/api/v1/task/delete",Arc::new("avtd")); 103 | root.insert_path("/api/v2/update",Arc::new("avu")); 104 | root.insert_path("/api/v2/",Arc::new("av2")); 105 | root.insert_path("/api",Arc::new("api")); 106 | root.insert_path("/",Arc::new("default")); 107 | root.insert_path("",Arc::new("null")); 108 | 109 | let res = root.find_by_path("/api/v1/task/create").unwrap(); 110 | assert_eq!(*res,"avtc"); 111 | 112 | let res = root.find_by_path("/api/v1/task/create/1234").unwrap(); 113 | assert_eq!(*res,"avtc"); 114 | 115 | let res = root.find_by_path("/api/v1/task").unwrap(); 116 | assert_eq!(*res,"api"); 117 | 118 | let res = root.find_by_path("/api/v2/task/update").unwrap(); 119 | assert_eq!(*res,"av2"); 120 | 121 | let res = root.find_by_path("/api/v2").unwrap(); 122 | assert_eq!(*res,"api"); 123 | 124 | let res = root.find_by_path("/api").unwrap(); 125 | assert_eq!(*res,"api"); 126 | 127 | let res = root.find_by_path("/").unwrap(); 128 | assert_eq!(*res,"default"); 129 | 130 | let res = root.find_by_path("").unwrap(); 131 | assert_eq!(*res,"null"); 132 | 133 | root.insert_path("/api/v2/",Arc::new("api2")); 134 | let res = root.find_by_path("/api/v2/xxx").unwrap(); 135 | assert_eq!(*res,"api2"); 136 | } 137 | } 138 | -------------------------------------------------------------------------------- /src/main.rs: -------------------------------------------------------------------------------- 1 | mod pkg; 2 | mod infra; 3 | mod service; 4 | 5 | fn main(){ 6 | wd_log::log_info_ln!("start work..."); 7 | service::start_pingora(); 8 | wd_log::log_info_ln!("application over!!!"); 9 | } 10 | -------------------------------------------------------------------------------- /src/pkg/ingress.rs: -------------------------------------------------------------------------------- 1 | use std::collections::HashMap; 2 | use async_channel::Receiver; 3 | use k8s_openapi::api::networking::v1::{HTTPIngressPath, Ingress, IngressRule, IngressServiceBackend, IngressTLS}; 4 | use kube::{Api, Client}; 5 | use futures::prelude::*; 6 | use kube::runtime::{watcher, WatchStreamExt}; 7 | use kube::runtime::watcher::{ Event}; 8 | use serde::{Deserialize, Serialize}; 9 | use wd_tools::PFSome; 10 | 11 | const INGRESS_CLASS_NAME_PINGORA:&'static str = "pingora"; 12 | 13 | #[derive(Debug,Clone,Serialize,Deserialize)] 14 | pub struct IngressEvent{ 15 | pub ty:u8, //1:init 2:update 3:delete 16 | pub default_backend:Option, 17 | pub hosts:Vec, 18 | pub sni:IngSni, 19 | #[serde(skip)] 20 | pub ing:Option>, 21 | } 22 | impl IngressEvent{ 23 | pub fn init(mut self)->Self{ 24 | match self.ing.as_ref().unwrap() { 25 | Event::Applied(ref k) => { 26 | let (default_backend,hosts,sni) = IngressEvent::ing_to_host_backend(k); 27 | self.ty = 2; 28 | self.default_backend = default_backend; 29 | self.hosts = hosts; 30 | self.sni = sni; 31 | }, 32 | Event::Deleted(ref k) => { 33 | let (default_backend,hosts,sni) = IngressEvent::ing_to_host_backend(k); 34 | self.ty = 3; 35 | self.default_backend = default_backend; 36 | self.hosts = hosts; 37 | self.sni = sni; 38 | }, 39 | Event::Restarted(ref k) => { 40 | let mut default_backend = None; 41 | let mut hosts = vec![]; 42 | let mut sni = IngSni::default(); 43 | for i in k.iter(){ 44 | let (db, mut hs,is) = IngressEvent::ing_to_host_backend(i); 45 | if db.is_some() { 46 | default_backend = db; 47 | } 48 | hosts.append(&mut hs); 49 | sni.append(is); 50 | } 51 | self.ty = 1; 52 | self.default_backend = default_backend; 53 | self.hosts = hosts; 54 | self.sni = sni; 55 | }, 56 | }; 57 | 58 | self 59 | } 60 | pub fn ing_to_host_backend(ing:&Ingress)->(Option,Vec,IngSni){ 61 | let i = if let Some(ref i) = ing.spec{ 62 | i 63 | }else{ 64 | return (None,vec![],IngSni::default()) 65 | }; 66 | if let Some(ref n) = i.ingress_class_name { 67 | if n != INGRESS_CLASS_NAME_PINGORA { 68 | return (None,vec![],IngSni::default()) 69 | } 70 | } 71 | let default_backend = if let Some(ref d) = i.default_backend{ 72 | if let Some(ref s) = d.service{Some(IngRule::from(s))}else{None} 73 | }else{None}; 74 | let mut hosts = vec![]; 75 | if let Some(ref i) = i.rules{ 76 | for i in i.iter(){ 77 | let ih = IngHost::from(i); 78 | if !ih.rules.is_empty() { 79 | hosts.push(ih); 80 | } 81 | } 82 | } 83 | let sni = if let Some(ref s) = i.tls{ 84 | IngSni::from_ingress_tls(s) 85 | }else{ 86 | IngSni::default() 87 | }; 88 | (default_backend,hosts,sni) 89 | } 90 | pub fn json(&self)->String{ 91 | serde_json::to_string(self).unwrap_or_else(|e| { 92 | wd_log::log_error_ln!("IngressEvent json error:{}",e); 93 | "".to_string() 94 | }) 95 | } 96 | } 97 | impl From> for IngressEvent { 98 | fn from(value: Event) -> Self { 99 | let ie = IngressEvent{ 100 | ty: 0, 101 | default_backend: None, 102 | hosts: vec![], 103 | sni: Default::default(), 104 | ing: Some(value), 105 | }; 106 | ie.init() 107 | } 108 | } 109 | #[derive(Default,Debug,Clone,Serialize,Deserialize)] 110 | pub struct IngSni{ 111 | pub sni : HashMap 112 | } 113 | impl IngSni{ 114 | pub fn from_ingress_tls(tls:&Vec)->IngSni{ 115 | let mut sni = HashMap::new(); 116 | for i in tls.iter(){ 117 | let secret = if let Some(ref s) = i.secret_name { 118 | s.clone() 119 | }else{ 120 | continue 121 | }; 122 | if let Some(ref hs) = i.hosts{ 123 | for j in hs.iter(){ 124 | sni.insert(j.clone(),secret.clone()); 125 | } 126 | } 127 | } 128 | Self{sni} 129 | } 130 | pub fn append(&mut self,other:Self){ 131 | self.sni.extend(other.sni); 132 | } 133 | } 134 | 135 | #[derive(Default,Debug,Clone,Serialize,Deserialize)] 136 | pub struct IngHost{ 137 | pub host:String, 138 | pub rules:Vec, 139 | } 140 | 141 | impl From<&IngressRule> for IngHost { 142 | fn from(value: &IngressRule) -> Self { 143 | let host = if let Some(ref s) = value.host{ 144 | s.clone() 145 | }else{"".to_string()}; 146 | let mut rules = vec![]; 147 | if let Some(ref list) = value.http{ 148 | for p in list.paths.iter(){ 149 | if let Some(r) = IngRule::new_from_path(p){ 150 | rules.push(r) 151 | } 152 | } 153 | } 154 | Self{host,rules} 155 | } 156 | } 157 | 158 | #[derive(Default,Debug,Clone,Serialize,Deserialize)] 159 | pub struct IngRule{ 160 | pub path: String, 161 | pub ty:u8, //1:prefix 2:exact 3:specific 162 | pub backend: String, 163 | pub port:i32, 164 | } 165 | 166 | impl From<&IngressServiceBackend> for IngRule { 167 | fn from(value: &IngressServiceBackend) -> Self { 168 | let mut this = Self{ 169 | path: "".to_string(), 170 | ty: 1, 171 | backend: value.name.clone(), 172 | port: 80, 173 | }; 174 | if let Some(ref i) = value.port{ 175 | if let Some(i) = i.number{ 176 | this.port = i 177 | } 178 | } 179 | this 180 | } 181 | } 182 | impl IngRule{ 183 | pub fn new_from_path(value:&HTTPIngressPath)->Option{ 184 | let ty = match value.path_type.as_str().to_lowercase().as_str() { 185 | "prefix" => 1u8, 186 | "exact" => 2u8, 187 | "implementationspecific" => 3u8, 188 | _ => 99u8, 189 | }; 190 | let path = value.path.clone().unwrap_or("".to_string()); 191 | let mut this = if let Some(ref s) = value.backend.service{ 192 | IngRule::from(s) 193 | }else{ 194 | return None 195 | }; 196 | this.ty = ty; 197 | this.path = path; 198 | this.some() 199 | } 200 | } 201 | 202 | #[derive(Default,Debug,Clone)] 203 | pub struct WatchIngress{ 204 | namespace:Option, 205 | selector_labels:Option, 206 | } 207 | 208 | impl WatchIngress { 209 | #[allow(dead_code)] 210 | pub fn from_namespace>(ns:S)->Self{ 211 | let namespace = Some(ns.into()); 212 | Self{namespace, 213 | .. Default::default()} 214 | } 215 | pub fn add_label_selector(mut self,key:&str,value:&str)->Self{ 216 | self.selector_labels = match self.selector_labels { 217 | None => Some(format!("{}={}",key,value)), 218 | Some(s) => {Some(format!("{},{}={}",s,key,value))} 219 | };self 220 | } 221 | pub async fn start_watch(&self)-> anyhow::Result> { 222 | let (sender,receiver) = async_channel::bounded(8); 223 | 224 | 225 | let client = Client::try_default().await?; 226 | let api:Api = match self.namespace { 227 | None =>{ 228 | Api::all(client) 229 | } , 230 | Some(ref s) => Api::namespaced(client,s) 231 | }; 232 | 233 | let mut wc = watcher::Config::default(); 234 | if let Some(ref s) = self.selector_labels{ 235 | wc = wc.labels(s) 236 | }; 237 | let mut watch = watcher(api, wc) 238 | // .applied_objects() 239 | .default_backoff().boxed(); 240 | tokio::spawn(async move { 241 | while let Some(result) = watch.next().await{ 242 | let event = match result{ 243 | Ok(o) => o, 244 | Err(e) => { 245 | wd_log::log_error_ln!("watch ingress event error:{:?}",e); 246 | continue 247 | } 248 | }; 249 | let event = IngressEvent::from(event); 250 | if let Err(e) = sender.send(event).await{ 251 | wd_log::log_error_ln!("watch ingress event to sender error:{:?}",e) 252 | } 253 | } 254 | }); 255 | // let mut watch = watcher(api, wc).boxed(); 256 | // #[allow(irrefutable_let_patterns)] 257 | // while let res = watch.try_next().await { 258 | // if let Ok(Some(event)) = res{ 259 | // wd_log::log_info_ln!("event-->{:?}",event); 260 | // }else{ 261 | // wd_log::log_warn_ln!("watch unknown error"); 262 | // } 263 | // } 264 | Ok(receiver) 265 | } 266 | 267 | } -------------------------------------------------------------------------------- /src/pkg/mod.rs: -------------------------------------------------------------------------------- 1 | pub mod ingress; 2 | pub mod pod; -------------------------------------------------------------------------------- /src/pkg/pod.rs: -------------------------------------------------------------------------------- 1 | use std::env; 2 | use std::fs::read_to_string; 3 | use k8s_openapi::api::core::v1::Pod; 4 | use kube::{Api, Client}; 5 | use wd_tools::PFErr; 6 | 7 | pub struct PodApi{ 8 | 9 | } 10 | 11 | impl PodApi{ 12 | pub async fn get_self_pod_info()->anyhow::Result{ 13 | let pod_name = PodApi::pod_name(); 14 | if pod_name.is_empty() { 15 | return anyhow::anyhow!("pod name not found").err() 16 | }else{ 17 | wd_log::log_debug_ln!("pod name[{}]",pod_name); 18 | } 19 | let namespace = PodApi::namespace(); 20 | if namespace.is_empty(){ 21 | return anyhow::anyhow!("namespace not found").err() 22 | }else{ 23 | wd_log::log_debug_ln!("namespace name[{}]",namespace); 24 | } 25 | 26 | let client = Client::try_default().await?; 27 | let api = Api::::namespaced(client,namespace.as_str()); 28 | 29 | let pod = api.get(pod_name.as_str()).await?; 30 | 31 | Ok(pod) 32 | } 33 | 34 | pub fn pod_name()->String{ 35 | if let Ok(n) = env::var("HOSTNAME") { 36 | return n 37 | } 38 | if let Ok(n) = read_to_string("/etc/hostname"){ 39 | return n.replace("\n","") 40 | } 41 | "".into() 42 | } 43 | pub fn namespace()->String{ 44 | if let Ok(n) = env::var("NAMESPACE") { 45 | return n 46 | } 47 | if let Ok(n) = read_to_string("/run/secrets/kubernetes.io/serviceaccount/namespace"){ 48 | return n.replace("\n","") 49 | } 50 | "".into() 51 | } 52 | } 53 | 54 | 55 | #[cfg(test)] 56 | mod test{ 57 | use k8s_openapi::api::core::v1::{Namespace, Pod}; 58 | use kube::{Api, Client}; 59 | 60 | #[tokio::test] 61 | pub async fn test_pod_info(){ 62 | let client = Client::try_default().await.unwrap(); 63 | 64 | let api = Api::::namespaced(client,"qa"); 65 | 66 | let pod = api.get("pingora-ingress-ctl-f4bd748c8-p7khx").await.unwrap(); 67 | 68 | println!("pod=>{:?}",pod); 69 | } 70 | } -------------------------------------------------------------------------------- /src/service/config.rs: -------------------------------------------------------------------------------- 1 | use serde::{Deserialize, Serialize}; 2 | use crate::pkg::pod; 3 | 4 | #[derive(Debug,Serialize,Deserialize)] 5 | pub struct Config{ 6 | #[serde(default="Config::port_df")] 7 | pub port:i32, 8 | #[serde(default="String::default")] 9 | pub log_level:String, 10 | } 11 | 12 | impl Config{ 13 | fn port_df()->i32{ 14 | 30666 15 | } 16 | pub fn json(&self)->String{ 17 | serde_json::to_string(self).unwrap() 18 | } 19 | } 20 | 21 | 22 | impl Config{ 23 | pub async fn from_pod()->Self{ 24 | let mut cfg = serde_json::from_str::("{}").unwrap(); 25 | let pod = match pod::PodApi::get_self_pod_info().await { 26 | Ok(o) => o, 27 | Err(e) => { 28 | wd_log::log_error_ln!("load config failed:{:?}",e); 29 | return cfg 30 | } 31 | }; 32 | if let Some(ref an) = pod.metadata.annotations { 33 | if let Some(level) = an.get("pga-log-level"){ 34 | cfg.log_level = level.to_string(); 35 | } 36 | }; 37 | if let Some(ref spec) = pod.spec{ 38 | for i in spec.containers.iter(){ 39 | if let Some(ref ports) = i.ports{ 40 | for j in ports.iter(){ 41 | if let Some(ref n) = j.name{ 42 | if n=="http"{ 43 | cfg.port = j.container_port 44 | } 45 | } 46 | } 47 | } 48 | } 49 | } 50 | cfg 51 | } 52 | } -------------------------------------------------------------------------------- /src/service/http_proxy.rs: -------------------------------------------------------------------------------- 1 | use std::collections::HashMap; 2 | use std::sync::Arc; 3 | use async_channel::Receiver; 4 | use wd_tools::sync::Acl; 5 | use crate::infra::url_tree::Node; 6 | use crate::pkg::ingress::{IngressEvent, IngRule}; 7 | use pingora::prelude::*; 8 | use wd_tools::PFArc; 9 | 10 | #[derive(Default)] 11 | pub struct HttpProxyControl{ 12 | router : Acl>, 13 | } 14 | impl HttpProxyControl { 15 | pub async fn new_ing_event_watch(recv:Receiver)->Self{ 16 | let router = Acl::default(); 17 | let rt = router.clone(); 18 | tokio::spawn(async move{ 19 | while let Ok(e) = recv.recv().await{ 20 | wd_log::log_info_ln!("watch ingress event=>{}",e.json()); 21 | HttpProxyControl::ing_event_to_router(e,rt.clone()); 22 | } 23 | wd_log::log_info_ln!("IngressEvent receiver channel over"); 24 | }); 25 | Self{router} 26 | } 27 | fn ing_event_to_router(ing:IngressEvent,acl:Acl>){ 28 | let IngressEvent{ 29 | ty, default_backend, hosts, sni, .. 30 | } = ing; 31 | let mut map = (*acl.share()).clone(); 32 | match ty { 33 | 1 | 2=>{ //init | update 34 | if let Some(db) = default_backend { 35 | map.insert("*".into(), Router::from_default_backend(db)); 36 | } 37 | for i in hosts{ 38 | if !map.contains_key(i.host.as_str()) { 39 | map.insert(i.host.clone(),Router::from_host(i.host.clone())); 40 | } 41 | let router = map.get_mut(i.host.as_str()).unwrap(); 42 | wd_log::log_debug_ln!("update host:[{}]",i.host.as_str()); 43 | router.update_from_ing_rule(i.rules); 44 | } 45 | } 46 | 3=>{ //delete 47 | if let Some(db) = default_backend { 48 | wd_log::log_debug_ln!("delete default_backend:[{}]",db.backend); 49 | map.remove("*"); 50 | } 51 | for i in hosts{ 52 | wd_log::log_debug_ln!("delete host:[{}]",i.host.as_str()); 53 | map.remove(i.host.as_str()); 54 | } 55 | } 56 | _=>{ 57 | wd_log::log_info_ln!("unknown ingress event type:{:?}",ty); 58 | return; 59 | } 60 | } 61 | for (host,i) in sni.sni{ 62 | if let Some(router) = map.get_mut(host.as_str()){ 63 | router.sni = i; 64 | } 65 | } 66 | acl.update(move |_|{ 67 | map 68 | }); 69 | } 70 | } 71 | 72 | #[derive(Default,Clone,Debug)] 73 | pub struct Router{ 74 | pub sni:String, 75 | pub host:String, 76 | pub default_backend:Option>, 77 | pub exact:HashMap>, 78 | pub prefix:Node, 79 | } 80 | #[derive(Clone,Debug)] 81 | pub struct RouterNode{ 82 | pub backend: String, 83 | pub port:i32, 84 | } 85 | impl From for RouterNode{ 86 | fn from(value: IngRule) -> Self { 87 | let backend = value.backend; 88 | let port = value.port; 89 | Self{backend,port} 90 | } 91 | } 92 | 93 | impl RouterNode { 94 | pub fn new>(backend:B,port:i32)->Self{ 95 | let backend = backend.into(); 96 | Self{backend,port} 97 | } 98 | 99 | } 100 | impl Router{ 101 | pub fn from_host>(host:S)->Self{ 102 | let host = host.into(); 103 | Self{host,..Default::default()} 104 | } 105 | pub fn from_default_backend(ir:IngRule)->Self{ 106 | let mut rt = Router::default(); 107 | rt.default_backend = Some(Arc::new(RouterNode::from(ir))); 108 | rt 109 | } 110 | pub fn update_from_ing_rule(&mut self,rules:Vec){ 111 | for rule in rules{ 112 | let IngRule{ path, backend, port,ty } = rule; 113 | match ty { 114 | 1=>{ //prefix 115 | wd_log::log_debug_ln!("insert prefix rule: path[{}] service[{}] port[{}]",path,backend,port); 116 | self.prefix.insert_path(path.as_str(),RouterNode::new(backend,port).arc()); 117 | } 118 | 2=>{ //exact 119 | wd_log::log_debug_ln!("insert exact rule: path[{}] service[{}] port[{}]",path,backend,port); 120 | self.exact.insert(path,RouterNode::new(backend,port).arc()); 121 | } 122 | _=>{ 123 | wd_log::log_warn_ln!("RouterNode do not support specific path:{}",path); 124 | } 125 | } 126 | } 127 | } 128 | } 129 | 130 | #[derive(Default)] 131 | pub struct HttpProxyCtx{ 132 | service:Option>, 133 | sni:String, 134 | } 135 | 136 | #[async_trait::async_trait] 137 | impl ProxyHttp for HttpProxyControl{ 138 | type CTX = HttpProxyCtx; 139 | 140 | fn new_ctx(&self) -> Self::CTX { 141 | HttpProxyCtx::default() 142 | } 143 | 144 | 145 | 146 | 147 | async fn upstream_peer(&self, _session: &mut Session, ctx: &mut Self::CTX) -> Result> { 148 | let peer = if let Some(ref s) = ctx.service { 149 | Box::new(HttpPeer::new((s.backend.as_str(),s.port as u16), !ctx.sni.is_empty(), ctx.sni.clone())) 150 | }else{ 151 | return Error::err(ErrorType::HTTPStatus(404)); 152 | }; 153 | 154 | // let peer = Box::new(HttpPeer::new(("1.1.1.1",80u16), true, "one.one.one.one".to_string())); 155 | Ok(peer) 156 | } 157 | 158 | async fn request_filter(&self, session: &mut Session, ctx: &mut Self::CTX) -> Result where Self::CTX: Send + Sync { 159 | let mut host = if let Some(s) = session.req_header().headers.get("Host") { 160 | if let Ok(s) = s.to_str(){ 161 | s 162 | }else{ 163 | return Error::err(ErrorType::InvalidHTTPHeader) 164 | } 165 | }else { 166 | return Error::err(ErrorType::InvalidHTTPHeader) 167 | }; 168 | if host.contains(":") { 169 | let list:Vec<&str> = host.split(":").collect(); 170 | host = list[0]; 171 | } 172 | let path = session.req_header().uri.path(); 173 | 174 | wd_log::log_debug_ln!("request host[{}] path[{}]",host,path); 175 | 176 | let routers = self.router.share(); 177 | for i in 0..100{ 178 | if i != 0 { 179 | let list:Vec<&str> = host.splitn(1,'.').collect(); 180 | if list.len() == 1 || list.is_empty() { 181 | break 182 | } 183 | host = list[1]; 184 | } 185 | if let Some(r) = routers.get(host) { 186 | ctx.sni = r.sni.clone(); 187 | if let Some(s) = r.exact.get(path) { 188 | ctx.service = Some(s.clone()); 189 | }else if let Some(s) = r.prefix.find_by_path(path){ 190 | ctx.service = Some(s); 191 | } 192 | break 193 | } 194 | } 195 | //尝试兜底 196 | if ctx.service.is_none() { 197 | if let Some(r) = routers.get("*") { 198 | ctx.sni = r.sni.clone(); 199 | ctx.service = r.default_backend.clone(); 200 | } 201 | } 202 | //如果没找到 203 | if ctx.service.is_none(){ 204 | return Error::err(ErrorType::HTTPStatus(404)); 205 | } 206 | Ok(false) 207 | } 208 | } -------------------------------------------------------------------------------- /src/service/mod.rs: -------------------------------------------------------------------------------- 1 | pub mod http_proxy; 2 | mod config; 3 | 4 | use pingora::prelude::*; 5 | use http_proxy::*; 6 | use crate::pkg::ingress; 7 | use crate::service::config::Config; 8 | 9 | pub fn start_pingora(){ 10 | //监听pod 11 | let rt = tokio::runtime::Builder::new_multi_thread() 12 | .enable_all() 13 | .build().unwrap(); 14 | let (hpc,cfg) = rt.block_on(async { 15 | let recv = ingress::WatchIngress::default() 16 | .add_label_selector("control-class", "pingora") 17 | .start_watch().await.unwrap(); 18 | let hpc = HttpProxyControl::new_ing_event_watch(recv).await; 19 | let cfg = Config::from_pod().await; 20 | (hpc,cfg) 21 | }); 22 | 23 | wd_log::log_info_ln!("config=>{}",cfg.json()); 24 | 25 | let mut my_server = Server::new(Some(Opt::default())).unwrap(); 26 | my_server.bootstrap(); 27 | 28 | let mut gateway = http_proxy_service(&my_server.configuration,hpc); 29 | gateway.add_tcp(format!("0.0.0.0:{}",cfg.port).as_str()); 30 | 31 | my_server.add_service(gateway); 32 | 33 | my_server.run_forever(); 34 | } --------------------------------------------------------------------------------