spring cloud gateway
最后发布时间:2023-12-27 13:43:20
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return chain.filter(exchange).then(Mono.fromRunnable(()->{
ServerHttpResponse response = exchange.getResponse();
HttpStatus responseStatus = response.getStatusCode();
if(responseStatus.equals(HttpStatus.FOUND)){
// String newResponseBody =
// "<body>\n" +
// " <h1 style=\"color:red;text-align:center\">Bad Request </h1>\n" +
// " <p>If you are seeing this page it means response body is modified.</p>\n" +
// " </body>";
// response.setStatusCode(HttpStatus.OK);
// response.getHeaders().setContentLength(newResponseBody.length());
// DataBuffer dataBuffer = response.bufferFactory().wrap(newResponseBody.getBytes(StandardCharsets.UTF_8));
// response.writeWith(Mono.just(dataBuffer)).subscribe();
// exchange.mutate().response(response).build();
if(response.getHeaders().containsKey("Location")){
URI uri = exchange.getRequest().getURI();
String path = uri.getPath();
String[] pathSegments = path.split("/");
if(pathSegments.length>2){
String extractedPath = "/" + pathSegments[1] + "/" + pathSegments[2];
List<String> location = response.getHeaders().get("Location");
response.getHeaders().setLocation(URI.create(extractedPath+location.get(0)));
}
}
// return response.writeWith(Mono.empty());
}
}));
}
https://docs.spring.io/spring-cloud-gateway/reference/spring-cloud-gateway/gatewayfilter-factories/redirectto-factory.html
Spring Cloud Gateway || Modify Response Body Using Post Global Filter
@Configuration
public class DynamicRewriteRoute {
// @Value("${rewrite.backend.uri}")
private String backendUri="http://192.168.10.30:3000";
private static Random rnd = new Random();
@Bean
public RouteLocator dynamicZipCodeRoute(RouteLocatorBuilder builder) {
System.out.println("11111111111111");
return builder.routes()
.route("dynamicRewrite", r ->
r.path("/proxy2/8080/**")
.filters(f -> f.filter((exchange, chain) -> {
ServerHttpRequest req = exchange.getRequest();
addOriginalRequestUrl(exchange, req.getURI());
String path = req.getURI().getRawPath();
// String newPath = path.replaceAll(
// "/proxy2/8080/(?<zipcode>.*)",
// "/${zipcode}-" + String.format("%03d", rnd.nextInt(1000)));
String newPath = path.replaceAll(
"/proxy2/8080/(?<segment>.*)", "/${segment}" );
backendUri = backendUri.replace("3000","8080");
ServerHttpRequest request = req.mutate().path(newPath).build();
exchange.getAttributes().put(GATEWAY_REQUEST_URL_ATTR, request.getURI());
return chain.filter(exchange.mutate().request(request).build());
}))
.uri(backendUri))
.build();
}
}
apiVersion: v1
kind: Pod
metadata:
name: test-pod
labels:
app: test-pod
spec:
# 定义容器，可以多个
containers:
- name: test-k8s # 容器名字
image: registry.cn-hangzhou.aliyuncs.com/wybioinfo/code-server:latest # 镜像
volumeMounts:
- {name: vol-1, mountPath: /data}
volumes:
- name: vol-1
persistentVolumeClaim: {claimName: nextflowdata}
---
apiVersion: v1
kind: Service
metadata:
name: test-pod
spec:
selector:
app: test-pod
# 默认 ClusterIP 集群内可访问，NodePort 节点可访问，LoadBalancer 负载均衡模式（需要负载均衡器才可用）
type: NodePort
ports:
- port: 8443 # 本 Service 的端口
targetPort: 8443 # 容器端口
nodePort: 31000 # 节点端口，范围固定 30000 ~ 32767
# kubectl port-forward --address 0.0.0.0 svc/test-pod 31000:8443
# docker run -it --name code-server -p 8080:8080 codercom/code-server:latest
# docker run -it --init -p 3000:3000 -v "$(pwd):/home/workspace:cached" gitpod/openvscode-server
server:
port: 30000
spring:
cloud:
gateway:
globalcors:
corsConfigurations:
'[/**]':
allowedOrigins: "*"
allowedMethods: "*"
allowedHeaders: "*"
discovery:
locator:
enabled: true
lower-case-service-id: true
filter:
remove-non-proxy-headers:
headers:
- Proxy-Authenticate
- Proxy-Authorization
- TE
- Trailer
- Transfer-Encoding
httpclient:
websocket:
max-frame-payload-length: 3000000
routes:
- id: docker-app
uri: http://192.168.3.60:82
predicates:
- Path=/app/**
- id: vscode-cloud
uri: http://192.168.3.60:40001
predicates:
- Path=/vscode/**
filters:
- RewritePath=/vscode/(?<segment>.*), /$\{segment}
redis:
host: 127.0.0.1
port: 6379
password:
timeout: 5000
jedis:
pool:
max-active: 3
max-idle: 3
min-idle: 1
max-wait: -1
server {
listen 82;
charset utf-8;
client_max_body_size 200m;
large_client_header_buffers 4 16k;
#root /ssd1/shanjun/applications/web/;
location /app/ {
if ($request_uri ~ /app/(.+)){
set $rightUrl $1;
}
add_header X-debug-message "A static file was served" always;
proxy_pass http://192.168.3.60:$rightUrl;
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection "Upgrade";
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
add_header bbb "$rightUrl";
proxy_set_header Origin "";
rewrite ^/app/$rightUrl(.*)$ /$1 break;
# First attempt to serve request as file, then
# as directory, then fall back to displaying a 404.
#try_files $uri $uri/ =404;
#proxy_pass http://10.110.1.12:8080;
}
location /node/ {
proxy_pass http://192.168.3.60:40001;
rewrite ^/node/(.*)$ /$1 break;
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection "Upgrade";
proxy_set_header Origin "";
}
}
server:
port: 30000
spring:
cloud:
gateway:
filter:
remove-hop-by-hop:
headers:
httpclient:
websocket:
max-frame-payload-length: 3000000
discovery:
locator:
enabled: true
lower-case-service-id: true
routes:
- id: vscode-cloud
uri: http://192.168.10.30:8080
predicates:
- Path=/proxy/**
filters:
- RewritePath=/proxy/(?<segment>.*), /$\{segment}
redis:
host: 192.168.10.177
port: 6381
password: 123456
timeout: 5000
jedis:
pool:
max-active: 3
max-idle: 3
min-idle: 1
max-wait: -1
http://xxx:30000/app/40001/?folder=/home/coder
https://www.baeldung.com/spring-cloud-gateway-url-rewriting
https://docs.spring.io/spring-cloud-gateway/docs/2.2.7.RELEASE/reference/html/#removehopbyhop-headers-filter
