Question

我们先使用Spring Cloud Gateway将多个微服务与领事作为服务发现。有几种使用不同语言开发的微服务。

请为该应用找到 build.gradle

buildscript {
    ext {
        springBootVersion = '2.1.2.RELEASE'
    }
    repositories {
        mavenCentral()
    }
    dependencies {
        classpath("org.springframework.boot:spring-boot-gradle-plugin:${springBootVersion}")
    }
}

apply plugin: 'java'
apply plugin: 'org.springframework.boot'
apply plugin: 'io.spring.dependency-management'

group = 'com.demo'
version = '0.0.1-SNAPSHOT'
sourceCompatibility = '1.8'

repositories {
    mavenCentral()
    maven { url 'https://repo.spring.io/milestone' }
}

ext {
    set('springCloudVersion', 'Greenwich.RELEASE')
}

dependencies {
    implementation 'org.springframework.boot:spring-boot-starter-actuator'
    implementation 'org.springframework.cloud:spring-cloud-starter-consul-config'
    implementation 'org.springframework.cloud:spring-cloud-starter-consul-discovery'
    implementation 'org.springframework.cloud:spring-cloud-starter-gateway'
    implementation 'org.springframework.boot:spring-boot-starter-security'
    // https://mvnrepository.com/artifact/io.netty/netty-tcnative-boringssl-static
    compile group: 'io.netty', name: 'netty-tcnative-boringssl-static', version: '2.0.20.Final'
    runtimeOnly 'org.springframework.boot:spring-boot-devtools'
    compileOnly 'org.projectlombok:lombok'
    testImplementation 'org.springframework.boot:spring-boot-starter-test'
}

dependencyManagement {
    imports {
        mavenBom "org.springframework.cloud:spring-cloud-dependencies:${springCloudVersion}"
    }
}

下面是API网关配置的示例
application.yaml

server:
  port: 10000
  http:
    port: 9000
  # enable HTTP2
  http2:
    enabled: true
  # enable compression
  compression:
    enabled: true
    mime-types: text/html,text/xml,text/plain,text/css,text/javascript,application/javascript,application/json
  ssl:
    enabled: true
    key-store: /var/.conf/self-signed.p12
    key-store-type: PKCS12
    key-store-password: "something"
    key-alias: athenasowl
    trust-store: /var/.conf/self-signe.p12
    trust-store-password: "something"
spring:
  application:
    name: api-gateway
  cloud:
    gateway:
      discovery:
        locator:
          enabled: true
          predicates:
          - Path="'/api/' + serviceId + '/**'"
          filters:
          - RewritePath="'/api/' + serviceId + '/(?<remaining>.*)'", "serviceId + '/${remaining}'"
management:
  security:
    enabled: false
  server:
    port: 10001
    ssl:
      enabled: false
  endpoint:
    gateway:
      enabled: true
  endpoints:
    web:
      exposure:
        include: "*"
    health:
      sensitive: false
logging:
  level:
    root: DEBUG
    org:
      springframework:
        web: INFO
  pattern:
    console: "%-5level %d{dd-MM-yyyy HH:mm:ss,SSS} [%F:%L] VTC : %msg%n"
    file: "%-5level %d{dd-MM-yyyy HH:mm:ss,SSS} [%F:%L] VTC : %msg%n"
  file: /tmp/log_files/apigateway.log
security:
  basic:
    enabled: false

我们面临一些配置问题，它们在下面列出：

将/ api /前缀的URL重写为在领事上注册的相应serviceId ：我们试图配置谓词以使路径以 api 前缀em> 重写路径并删除 api ，但仍然无法正常工作。因此，在领事服务器上注册了另一个服务 / hello-service / ，但是我们要使用 / api / hello-service /

将不匹配的请求重定向到默认路径 ：我们希望将所有不匹配的请求重定向到UI。

在Spring Cloud Gateway上将HTTP重定向到HTTPS ：我们要强制所有到Spring网关的请求都为https

将HTTPS请求转发到在consul中注册的HTTP serviceId ：在consul中注册的服务均在HTTP上，但API网关除外，我们希望能够将HTTPS请求发送至HTTP后端，即仅在API网关处终止HTTPS。

任何解决上述问题的帮助都很好

修改1： 在@spencergibb提供帮助后，我们使用https设置了spring cloud网关。但是，我们还面临其他一些问题

如果同时在API网关和服务上均启用HTTPS，我们将收到以下错误消息


javax.net.ssl.SSLException：握手超时   io.netty.handler.ssl.SslHandler.handshake（...）（未知来源）   〜[netty-handler-4.1.31.Final.jar：4.1.31。

如果仅在API网关上启用HTTPS，我们将收到以下错误消息


发生意外错误（类型=未找到，状态= 404）。   org.springframework.web.server.ResponseStatusException：404 NOT_FOUND   并收到

对于路径https://localhost:8443/api/hello-service/hello/message


无法连接

对于路径http://localhost:8080/hello-service/hello/message

请找到sample applications
的链接
说明：

导航到领事目录并使用命令./consul agent -dev启动领事服务器

运行api-gateway春季启动gradle项目

运行rest-demo spring boot gradle项目

编辑2

谢谢@spencergibb，我们能够在网关上成功应用ssl并通过HTTP调用注册的服务。从Spring Webflux with Netty does not support listening on two ports开始，我们基于this answer创建了一个附加到http端口的附加tcp服务器。

对于RewritePath规则，/api/仍然面临着一些问题

predicates: - name: Path args: pattern: "'/api/'+serviceId.toLowerCase()+'/**'" filters: - name: RewritePath args: regexp: "'/api/' + serviceId.toLowerCase() + '/(?<remaining>.*)'" replacement: "'/${remaining}'"

下面是请求的完整跟踪


DEBUG 13-02-2019 03:32:01 [FilteringWebHandler.java:86] VTC：已排序   gatewayFilterFactories：   [OrderedGatewayFilter{delegate=GatewayFilterAdapter{delegate=org.springframework.cloud.gateway.filter.AdaptCachedBodyGlobalFilter@257505fd}，   order = -2147482648}，   OrderedGatewayFilter{delegate=GatewayFilterAdapter{delegate=org.springframework.cloud.gateway.filter.GatewayMetricsFilter@400caab4}，   order = -2147473648}，   OrderedGatewayFilter{delegate=GatewayFilterAdapter{delegate=org.springframework.cloud.gateway.filter.NettyWriteResponseFilter@36e2c50b}}，   order = -1}，   OrderedGatewayFilter {delegate = GatewayFilterAdapter {delegate=org.springframework.cloud.gateway.filter.ForwardPathFilter@66f0c66d}，order = 0}，   OrderedGatewayFilter{delegate=org.springframework.cloud.gateway.filter.factory.RewritePathGatewayFilterFactory$$Lambda$360/1720581802@5821f2e6，   order = 0}，   OrderedGatewayFilter{delegate=GatewayFilterAdapter{delegate=org.springframework.cloud.gateway.filter.RouteToRequestUrlFilter@27119239}，   order = 10000}，   OrderedGatewayFilter{delegate=GatewayFilterAdapter{delegate=org.springframework.cloud.gateway.filter.LoadBalancerClientFilter@568a9d8f}，   order = 10100}，   OrderedGatewayFilter{delegate=GatewayFilterAdapter{delegate=org.springframework.cloud.gateway.filter.WebsocketRoutingFilter@6ba77da3}，   order = 2147483646}，   OrderedGatewayFilter{delegate=GatewayFilterAdapter{delegate=org.springframework.cloud.gateway.filter.NettyRoutingFilter@73c24516}，   order = 2147483647}，   OrderedGatewayFilter{delegate=GatewayFilterAdapter{delegate=org.springframework.cloud.gateway.filter.ForwardRoutingFilter@461a9938}，   order = 2147483647}] TRACE 13-02-2019 03:32:01   [RouteToRequestUrlFilter.java:59] VTC：RouteToRequestUrlFilter开始   跟踪13-02-2019 03:32:02 [NettyWriteResponseFilter.java:68] VTC：   NettyWriteResponseFilter start跟踪13-02-2019 03:32:02   [GatewayMetricsFilter.java:101] VTC：正在停止计时器   带有标签的“ gateway.requests”   [tag（结果= CLIENT_ERROR），标签（routeId = rewrite_response_upper），标签（routeUri = http://httpbin.org:80),tag(status=NOT_FOUN

Answer 1

需要一些东西

禁用http2
禁用httpclient的ssl配置
更新locator谓词和过滤器以使用详细配置。

这是application.yml的结果部分

server:
  port: 8443
  http:
    port: 8080
  servlet:
  # enable HTTP2
#  http2:
#    enabled: true
  # enable compression

# ... removed for brevity

spring:
  application:
    name: api-gateway
  cloud:
    consul:
      enabled: true
    gateway:
#      httpclient:
#        ssl:
#          handshake-timeout-millis: 10000
#          close-notify-flush-timeout-millis: 3000
#          close-notify-read-timeout-millis: 0
#      routes:
      # - id: ui_path_route
      #   predicates:
      #   - Path="'/**'"
      #   filters:
      #   - RewritePath="'/**'", "/ui"
      discovery:
        instanceId: ${spring.application.name}:${vcap.application.instance_id:${spring.application.instance_id:${random.value}}}
        locator:
          enabled: true
          predicates:
          - name: Path
            args:
              pattern: "'/api/' + serviceId + '/**'"
          filters:
          - name: RewritePath
            args:
              regexp: "'/api/' + serviceId + '/(?<remaining>.*)'"
              replacement: "'/${remaining}'"
#... removed for brevity

Spring Cloud Gateway + Consul配置

1 个答案: