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envoy动态配置 - 3

envoy动态配置 - 3

作者: 程序员札记 | 来源:发表于2023-02-26 15:36 被阅读0次

实验案例
1、cluster-static-dns-discovery
实验环境

三个Service:

  • envoy：Front Proxy,地址由docker-compose动态分配
  • webserver01：第一个后端服务,地址由docker-compose动态分配，且将webserver01解析到该地址
  • webserver02：第二个后端服务,地址由docker-compose动态分配，且将webserver02解析到该地址
    envoy.yaml
admin:
  access_log_path: "/dev/null"
  address:
    socket_address:
      address: 0.0.0.0
      port_value: 9901

static_resources:
  listeners:
  - name: listener_0
    address:
      socket_address: { address: 0.0.0.0, port_value: 80 }
    filter_chains:
    - filters:
      - name: envoy.filters.network.http_connection_manager
        typed_config:
          "@type": type.googleapis.com/envoy.extensions.filters.network.http_connection_manager.v3.HttpConnectionManager
          stat_prefix: ingress_http
          codec_type: AUTO
          route_config:
            name: local_route
            virtual_hosts:
            - name: web_service_1
              domains: ["*"]
              routes:
              - match: { prefix: "/" }
                route: { cluster: local_cluster }
          http_filters:
          - name: envoy.filters.http.router
          
clusters:
  - name: local_cluster
    connect_timeout: 0.25s
    type: STRICT_DNS
    dns_lookup_family: V4_ONLY
    lb_policy: ROUND_ROBIN
    load_assignment:
      cluster_name: local_cluster
      endpoints:
      - lb_endpoints:
        - endpoint:
            address:
              socket_address: { address: webserver01, port_value: 8080 }
        - endpoint:
            address:
              socket_address: { address: webserver02, port_value: 8080 }

docker-compose.yaml

version: '3.3'
  
services:
  envoy:
    image: envoyproxy/envoy-alpine:v1.20.0
    environment:
      - ENVOY_UID=0
    volumes:
    - ./envoy.yaml:/etc/envoy/envoy.yaml
    networks:
      envoymesh:
        aliases:
        - front-proxy
    depends_on:
    - webserver01
    - webserver02

  webserver01:
    image: ikubernetes/demoapp:v1.0
    environment:
      - PORT=8080
    hostname: webserver01
    networks:
      envoymesh:
        aliases:
        - webserver01

  webserver02:
    image: ikubernetes/demoapp:v1.0
    environment:
      - PORT=8080
    hostname: webserver02
    networks:
      envoymesh:
        aliases:
        - webserver02

networks:
  envoymesh:
    driver: bridge
    ipam:
      config:
        - subnet: 172.31.10.0/24

实验验证

docker-compose up

root@test:~# front_proxy_ip=$(docker container inspect --format '{{ $network := index .NetworkSettings.Networks "cluster-static-dns-discovery_envoymesh" }}{{ $network.IPAddress}}' cluster-static-dns-discovery_envoy_1)
root@test:~# echo $front_proxy_ip 
172.31.10.4
root@test:~# curl $front_proxy_ip
iKubernetes demoapp v1.0 !! ClientIP: 172.31.10.4, ServerName: webserver01, ServerIP: 172.31.10.2!
root@test:~# curl $front_proxy_ip
iKubernetes demoapp v1.0 !! ClientIP: 172.31.10.4, ServerName: webserver02, ServerIP: 172.31.10.3!

#可以通过admin interface了解集群的相关状态，尤其是获取的各endpoint的相关信息
root@test:~# curl http://${front_proxy_ip}:9901/clusters
local_cluster::observability_name::local_cluster
local_cluster::default_priority::max_connections::1024
local_cluster::default_priority::max_pending_requests::1024
local_cluster::default_priority::max_requests::1024
local_cluster::default_priority::max_retries::3
local_cluster::high_priority::max_connections::1024
local_cluster::high_priority::max_pending_requests::1024
local_cluster::high_priority::max_requests::1024
local_cluster::high_priority::max_retries::3
local_cluster::added_via_api::false
local_cluster::172.31.10.2:8080::cx_active::0
local_cluster::172.31.10.2:8080::cx_connect_fail::0
local_cluster::172.31.10.2:8080::cx_total::2
local_cluster::172.31.10.2:8080::rq_active::0
local_cluster::172.31.10.2:8080::rq_error::0
local_cluster::172.31.10.2:8080::rq_success::2
local_cluster::172.31.10.2:8080::rq_timeout::0
local_cluster::172.31.10.2:8080::rq_total::2
local_cluster::172.31.10.2:8080::hostname::webserver01
local_cluster::172.31.10.2:8080::health_flags::healthy
local_cluster::172.31.10.2:8080::weight::1
local_cluster::172.31.10.2:8080::region::
local_cluster::172.31.10.2:8080::zone::
local_cluster::172.31.10.2:8080::sub_zone::
local_cluster::172.31.10.2:8080::canary::false
local_cluster::172.31.10.2:8080::priority::0
local_cluster::172.31.10.2:8080::success_rate::-1.0
local_cluster::172.31.10.2:8080::local_origin_success_rate::-1.0
local_cluster::172.31.10.3:8080::cx_active::0
local_cluster::172.31.10.3:8080::cx_connect_fail::0
local_cluster::172.31.10.3:8080::cx_total::3
local_cluster::172.31.10.3:8080::rq_active::0
local_cluster::172.31.10.3:8080::rq_error::0
local_cluster::172.31.10.3:8080::rq_success::3
local_cluster::172.31.10.3:8080::rq_timeout::0
local_cluster::172.31.10.3:8080::rq_total::3
local_cluster::172.31.10.3:8080::hostname::webserver02
local_cluster::172.31.10.3:8080::health_flags::healthy
local_cluster::172.31.10.3:8080::weight::1
local_cluster::172.31.10.3:8080::region::
local_cluster::172.31.10.3:8080::zone::
local_cluster::172.31.10.3:8080::sub_zone::
local_cluster::172.31.10.3:8080::canary::false
local_cluster::172.31.10.3:8080::priority::0
local_cluster::172.31.10.3:8080::success_rate::-1.0
local_cluster::172.31.10.3:8080::local_origin_success_rate::-1.0

2、eds-filesystem
实验环境

五个Service:

- envoy：Front Proxy,地址为172.31.11.2
- webserver01：第一个后端服务
- webserver01-sidecar：第一个后端服务的Sidecar Proxy,地址为172.31.11.11
- webserver02：第二个后端服务
- webserver02-sidecar：第二个后端服务的Sidecar Proxy,地址为172.31.11.12

front-envoy.yaml

node:
  id: envoy_front_proxy
  cluster: MageEdu_Cluster

admin:
  profile_path: /tmp/envoy.prof
  access_log_path: /tmp/admin_access.log
  address:
    socket_address:
       address: 0.0.0.0
       port_value: 9901

static_resources:
  listeners:
  - name: listener_0
    address:
      socket_address: { address: 0.0.0.0, port_value: 80 }
    filter_chains:
    - filters:
      - name: envoy.filters.network.http_connection_manager
        typed_config:
          "@type": type.googleapis.com/envoy.extensions.filters.network.http_connection_manager.v3.HttpConnectionManager
          stat_prefix: ingress_http
          codec_type: AUTO
          route_config:
            name: local_route
            virtual_hosts:
            - name: web_service_01
              domains: ["*"]
              routes:
              - match: { prefix: "/" }
                route: { cluster: webcluster }
          http_filters:
          - name: envoy.filters.http.router

  clusters:
  - name: webcluster
    connect_timeout: 0.25s
    type: EDS
    lb_policy: ROUND_ROBIN
    eds_cluster_config:
      service_name: webcluster
      eds_config:
        path: '/etc/envoy/eds.conf.d/eds.yaml'

envoy-sidecar-proxy.yaml

admin:
  profile_path: /tmp/envoy.prof
  access_log_path: /tmp/admin_access.log
  address:
    socket_address:
       address: 0.0.0.0
       port_value: 9901

static_resources:
  listeners:
  - name: listener_0
    address:
      socket_address: { address: 0.0.0.0, port_value: 80 }
    filter_chains:
    - filters:
      - name: envoy.filters.network.http_connection_manager
        typed_config:
          "@type": type.googleapis.com/envoy.extensions.filters.network.http_connection_manager.v3.HttpConnectionManager
          stat_prefix: ingress_http
          codec_type: AUTO
          route_config:
            name: local_route
            virtual_hosts:
            - name: local_service
              domains: ["*"]
              routes:
              - match: { prefix: "/" }
                route: { cluster: local_cluster }
          http_filters:
          - name: envoy.filters.http.router

  clusters:
  - name: local_cluster
    connect_timeout: 0.25s
    type: STATIC
    lb_policy: ROUND_ROBIN
    load_assignment:
      cluster_name: local_cluster
      endpoints:
      - lb_endpoints:
        - endpoint:
            address:
              socket_address: { address: 127.0.0.1, port_value: 8080 }

eds.conf.d目录中的文件

eds.yaml

resources:
- "@type": type.googleapis.com/envoy.config.endpoint.v3.ClusterLoadAssignment
  cluster_name: webcluster
  endpoints:
  - lb_endpoints:
    - endpoint:
        address:
          socket_address:
            address: 172.31.11.11
            port_value: 8080

eds.yaml.v1

resources:
- "@type": type.googleapis.com/envoy.config.endpoint.v3.ClusterLoadAssignment
  cluster_name: webcluster
  endpoints:
  - lb_endpoints:
    - endpoint:
        address:
          socket_address:
            address: 172.31.11.11
            port_value: 8080

eds.yaml.v2

version_info: '2'
resources:
- "@type": type.googleapis.com/envoy.config.endpoint.v3.ClusterLoadAssignment
  cluster_name: webcluster
  endpoints:
  - lb_endpoints:
    - endpoint:
        address:
          socket_address:
            address: 172.31.11.11
            port_value: 8080
    - endpoint:
        address:
          socket_address:
            address: 172.31.11.12
            port_value: 8080

docker-compose.yaml

version: '3.3'
  
services:
  envoy:
    image: envoyproxy/envoy-alpine:v1.20.0
    environment:
      - ENVOY_UID=0
    volumes:
    - ./front-envoy.yaml:/etc/envoy/envoy.yaml
    - ./eds.conf.d/:/etc/envoy/eds.conf.d/
    networks:
      envoymesh:
        ipv4_address: 172.31.11.2
        aliases:
        - front-proxy
    depends_on:
    - webserver01-sidecar
    - webserver02-sidecar

  webserver01-sidecar:
    image: envoyproxy/envoy-alpine:v1.20.0
    environment:
      - ENVOY_UID=0
    volumes:
    - ./envoy-sidecar-proxy.yaml:/etc/envoy/envoy.yaml
    hostname: webserver01
    networks:
      envoymesh:
        ipv4_address: 172.31.11.11
        aliases:
        - webserver01-sidecar

  webserver01:
    image: ikubernetes/demoapp:v1.0
    environment:
      - PORT=8080
      - HOST=127.0.0.1
    network_mode: "service:webserver01-sidecar"
    depends_on:
    - webserver01-sidecar

  webserver02-sidecar:
    image: envoyproxy/envoy-alpine:v1.20.0
    environment:
      - ENVOY_UID=0
    volumes:
    - ./envoy-sidecar-proxy.yaml:/etc/envoy/envoy.yaml
    hostname: webserver02
    networks:
      envoymesh:
        ipv4_address: 172.31.11.12
        aliases:
        - webserver02-sidecar
        
   webserver02:
    image: ikubernetes/demoapp:v1.0
    environment:
      - PORT=8080
      - HOST=127.0.0.1
    network_mode: "service:webserver02-sidecar"
    depends_on:
    - webserver02-sidecar

networks:
  envoymesh:
    driver: bridge
    ipam:
      config:
        - subnet: 172.31.11.0/24

实验验证

docker-compose up

# 查看Cluster中的Endpoint信息 
 root@test:~# curl 172.31.11.2:9901/clusters
webcluster::observability_name::webcluster
webcluster::default_priority::max_connections::1024
webcluster::default_priority::max_pending_requests::1024
webcluster::default_priority::max_requests::1024
webcluster::default_priority::max_retries::3
webcluster::high_priority::max_connections::1024
webcluster::high_priority::max_pending_requests::1024
webcluster::high_priority::max_requests::1024
webcluster::high_priority::max_retries::3
webcluster::added_via_api::false
webcluster::172.31.11.11:8080::cx_active::0
webcluster::172.31.11.11:8080::cx_connect_fail::0
webcluster::172.31.11.11:8080::cx_total::0
webcluster::172.31.11.11:8080::rq_active::0
webcluster::172.31.11.11:8080::rq_error::0
webcluster::172.31.11.11:8080::rq_success::0
webcluster::172.31.11.11:8080::rq_timeout::0
webcluster::172.31.11.11:8080::rq_total::0
webcluster::172.31.11.11:8080::hostname::
webcluster::172.31.11.11:8080::health_flags::healthy
webcluster::172.31.11.11:8080::weight::1
webcluster::172.31.11.11:8080::region::
webcluster::172.31.11.11:8080::zone::
webcluster::172.31.11.11:8080::sub_zone::
webcluster::172.31.11.11:8080::canary::false
webcluster::172.31.11.11:8080::priority::0
webcluster::172.31.11.11:8080::success_rate::-1.0
webcluster::172.31.11.11:8080::local_origin_success_rate::-1.0



# 接入front proxy envoy容器的交互式接口，修改eds.conf文件中的内容，将另一个endpoint添加进文件中；
root@test:~# docker exec -it eds-filesystem_envoy_1 /bin/sh
/ # cd /etc/envoy/eds.conf.d/
/etc/envoy/eds.conf.d # cat eds.yaml.v2 > eds.yaml
# 运行下面的命令强制激活文件更改，以便基于inode监视的工作机制可被触发
/etc/envoy/eds.conf.d # mv eds.yaml temp && mv temp eds.yaml

# 再次查看Cluster中的Endpoint信息 
root@test:~# curl 172.31.11.2:9901/clusters
webcluster::observability_name::webcluster
webcluster::default_priority::max_connections::1024
webcluster::default_priority::max_pending_requests::1024
webcluster::default_priority::max_requests::1024
webcluster::default_priority::max_retries::3
webcluster::high_priority::max_connections::1024
webcluster::high_priority::max_pending_requests::1024
webcluster::high_priority::max_requests::1024
webcluster::high_priority::max_retries::3
webcluster::added_via_api::false
webcluster::172.31.11.11:8080::cx_active::0
webcluster::172.31.11.11:8080::cx_connect_fail::0
webcluster::172.31.11.11:8080::cx_total::0
webcluster::172.31.11.11:8080::rq_active::0
webcluster::172.31.11.11:8080::rq_error::0
webcluster::172.31.11.11:8080::rq_success::0
webcluster::172.31.11.11:8080::rq_timeout::0
webcluster::172.31.11.11:8080::rq_total::0
webcluster::172.31.11.11:8080::hostname::
webcluster::172.31.11.11:8080::health_flags::healthy
webcluster::172.31.11.11:8080::weight::1
webcluster::172.31.11.11:8080::region::
webcluster::172.31.11.11:8080::zone::
webcluster::172.31.11.11:8080::sub_zone::
webcluster::172.31.11.11:8080::canary::false
webcluster::172.31.11.11:8080::priority::0
webcluster::172.31.11.11:8080::success_rate::-1.0
webcluster::172.31.11.11:8080::local_origin_success_rate::-1.0
webcluster::172.31.11.12:8080::cx_active::0
webcluster::172.31.11.12:8080::cx_connect_fail::0
webcluster::172.31.11.12:8080::cx_total::0
webcluster::172.31.11.12:8080::rq_active::0
webcluster::172.31.11.12:8080::rq_error::0
webcluster::172.31.11.12:8080::rq_success::0
webcluster::172.31.11.12:8080::rq_timeout::0
webcluster::172.31.11.12:8080::rq_total::0
webcluster::172.31.11.12:8080::hostname::
webcluster::172.31.11.12:8080::health_flags::healthy
webcluster::172.31.11.12:8080::weight::1
webcluster::172.31.11.12:8080::region::
webcluster::172.31.11.12:8080::zone::
webcluster::172.31.11.12:8080::sub_zone::
webcluster::172.31.11.12:8080::canary::false
webcluster::172.31.11.12:8080::priority::0
webcluster::172.31.11.12:8080::success_rate::-1.0
webcluster::172.31.11.12:8080::local_origin_success_rate::-1.0
#新节点172.31.11.12已经添加

3、lds-cds-filesystem
实验环境

五个Service:

envoy：Front Proxy,地址为172.31.12.2
webserver01：第一个后端服务
webserver01-sidecar：第一个后端服务的Sidecar Proxy,地址为172.31.12.11
webserver02：第二个后端服务
webserver02-sidecar：第二个后端服务的Sidecar Proxy,地址为172.31.12.12

front-envoy.yaml

node:
  id: envoy_front_proxy
  cluster: MageEdu_Cluster

admin:
  profile_path: /tmp/envoy.prof
  access_log_path: /tmp/admin_access.log
  address:
    socket_address:
       address: 0.0.0.0
       port_value: 9901

dynamic_resources:
  lds_config:
    path: /etc/envoy/conf.d/lds.yaml
  cds_config:
    path: /etc/envoy/conf.d/cds.yaml

envoy-sidecar-proxy.yaml

admin:
  profile_path: /tmp/envoy.prof
  access_log_path: /tmp/admin_access.log
  address:
    socket_address:
       address: 0.0.0.0
       port_value: 9901

static_resources:
  listeners:
  - name: listener_0
    address:
      socket_address: { address: 0.0.0.0, port_value: 80 }
    filter_chains:
    - filters:
      - name: envoy.filters.network.http_connection_manager
        typed_config:
          "@type": type.googleapis.com/envoy.extensions.filters.network.http_connection_manager.v3.HttpConnectionManager
          stat_prefix: ingress_http
          codec_type: AUTO
          route_config:
            name: local_route
            virtual_hosts:
            - name: local_service
              domains: ["*"]
              routes:
              - match: { prefix: "/" }
                route: { cluster: local_cluster }
          http_filters:
          - name: envoy.filters.http.router

clusters:
  - name: local_cluster
    connect_timeout: 0.25s
    type: STATIC
    lb_policy: ROUND_ROBIN
    load_assignment:
      cluster_name: local_cluster
      endpoints:
      - lb_endpoints:
        - endpoint:
            address:
              socket_address: { address: 127.0.0.1, port_value: 8080 }

docker-compose.yaml

version: '3.3'
  
services:
  envoy:
    image: envoyproxy/envoy-alpine:v1.20.0
    environment:
      - ENVOY_UID=0
    volumes:
    - ./front-envoy.yaml:/etc/envoy/envoy.yaml
    - ./conf.d/:/etc/envoy/conf.d/
    networks:
      envoymesh:
        ipv4_address: 172.31.12.2
        aliases:
        - front-proxy
    depends_on:
    - webserver01
    - webserver01-app
    - webserver02
    - webserver02-app

  webserver01:
    #image: envoyproxy/envoy-alpine:v1.18-latest
    image: envoyproxy/envoy-alpine:v1.20.0
    environment:
      - ENVOY_UID=0
    volumes:
    - ./envoy-sidecar-proxy.yaml:/etc/envoy/envoy.yaml
    hostname: webserver01
    networks:
      envoymesh:
        ipv4_address: 172.31.12.11
        aliases:
        - webserver01-sidecar

  webserver01-app:
    image: ikubernetes/demoapp:v1.0
    environment:
      - PORT=8080
      - HOST=127.0.0.1
    network_mode: "service:webserver01"
    depends_on:
    - webserver01

  webserver02:
    #image: envoyproxy/envoy-alpine:v1.18-latest
    image: envoyproxy/envoy-alpine:v1.20.0
    environment:
      - ENVOY_UID=0
    volumes:
    - ./envoy-sidecar-proxy.yaml:/etc/envoy/envoy.yaml
    hostname: webserver02
    networks:
      envoymesh:
        ipv4_address: 172.31.12.12
        aliases:
        - webserver02-sidecar

  webserver02-app:
    image: ikubernetes/demoapp:v1.0
    environment:
      - PORT=8080
      - HOST=127.0.0.1
    network_mode: "service:webserver02"
    depends_on:
    - webserver02

networks:
  envoymesh:
    driver: bridge
    ipam:
      config:
        - subnet: 172.31.12.0/24

conf.d目录中的文件

cds.yaml

resources:
- "@type": type.googleapis.com/envoy.config.cluster.v3.Cluster
  name: webcluster
  connect_timeout: 1s
  type: STRICT_DNS
  load_assignment:
    cluster_name: webcluster
    endpoints:
    - lb_endpoints:
      - endpoint:
          address:
            socket_address:
              address: webserver01
              port_value: 8080
      #- endpoint:
      #    address:
      #      socket_address:
      #        address: webserver02
      #        port_value: 8080

lds.yaml

resources:
- "@type": type.googleapis.com/envoy.config.listener.v3.Listener
  name: listener_http
  address:
    socket_address: { address: 0.0.0.0, port_value: 80 }
  filter_chains:
  - filters:
      name: envoy.http_connection_manager
      typed_config:
        "@type": type.googleapis.com/envoy.extensions.filters.network.http_connection_manager.v3.HttpConnectionManager
        stat_prefix: ingress_http
        route_config:
          name: local_route
          virtual_hosts:
          - name: local_service
            domains: ["*"]
            routes:
            - match:
                prefix: "/"
              route:
                cluster: webcluster
        http_filters:
        - name: envoy.filters.http.router

实验验证

docker-compose up

# 查看Cluster的信息 
root@test:~# curl 172.31.12.2:9901/clusters
webcluster::observability_name::webcluster
webcluster::default_priority::max_connections::1024
webcluster::default_priority::max_pending_requests::1024
webcluster::default_priority::max_requests::1024
webcluster::default_priority::max_retries::3
webcluster::high_priority::max_connections::1024
webcluster::high_priority::max_pending_requests::1024
webcluster::high_priority::max_requests::1024
webcluster::high_priority::max_retries::3
webcluster::added_via_api::true
webcluster::172.31.12.11:8080::cx_active::0
webcluster::172.31.12.11:8080::cx_connect_fail::0
webcluster::172.31.12.11:8080::cx_total::0
webcluster::172.31.12.11:8080::rq_active::0
webcluster::172.31.12.11:8080::rq_error::0
webcluster::172.31.12.11:8080::rq_success::0
webcluster::172.31.12.11:8080::rq_timeout::0
webcluster::172.31.12.11:8080::rq_total::0
webcluster::172.31.12.11:8080::hostname::webserver01
webcluster::172.31.12.11:8080::health_flags::healthy
webcluster::172.31.12.11:8080::weight::1
webcluster::172.31.12.11:8080::region::
webcluster::172.31.12.11:8080::zone::
webcluster::172.31.12.11:8080::sub_zone::
webcluster::172.31.12.11:8080::canary::false
webcluster::172.31.12.11:8080::priority::0
webcluster::172.31.12.11:8080::success_rate::-1.0
webcluster::172.31.12.11:8080::local_origin_success_rate::-1.0

# 查看Listener的信息 
root@test:~# curl 172.31.12.2:9901/listeners
listener_http::0.0.0.0:80

# 接入front proxy envoy容器的交互式接口
root@test:~# docker exec -it lds-cds-filesystem_envoy_1 /bin/sh
/ # cd /etc/envoy/conf.d/

# 修改cds.yaml的内容，cds.yaml中添加一个节点
/etc/envoy/conf.d # cat cds.yaml 
resources:
- "@type": type.googleapis.com/envoy.config.cluster.v3.Cluster
  name: webcluster
  connect_timeout: 1s
  type: STRICT_DNS
  load_assignment:
    cluster_name: webcluster
    endpoints:
    - lb_endpoints:
      - endpoint:
          address:
            socket_address:
              address: webserver01
              port_value: 8080
      - endpoint:
          address:
            socket_address:
              address: webserver02
              port_value: 8080

#运行类似下面的命令强制激活文件更改，以便基于inode监视的工作机制可被触发
/etc/envoy/conf.d # mv cds.yaml temp && mv temp cds.yaml

## 再次验证相关的配置信息
root@test:~# curl 172.31.12.2:9901/clusters
webcluster::observability_name::webcluster
webcluster::default_priority::max_connections::1024
webcluster::default_priority::max_pending_requests::1024
webcluster::default_priority::max_requests::1024
webcluster::default_priority::max_retries::3
webcluster::high_priority::max_connections::1024
webcluster::high_priority::max_pending_requests::1024
webcluster::high_priority::max_requests::1024
webcluster::high_priority::max_retries::3
webcluster::added_via_api::true
webcluster::172.31.12.11:8080::cx_active::0
webcluster::172.31.12.11:8080::cx_connect_fail::0
webcluster::172.31.12.11:8080::cx_total::0
webcluster::172.31.12.11:8080::rq_active::0
webcluster::172.31.12.11:8080::rq_error::0
webcluster::172.31.12.11:8080::rq_success::0
webcluster::172.31.12.11:8080::rq_timeout::0
webcluster::172.31.12.11:8080::rq_total::0
webcluster::172.31.12.11:8080::hostname::webserver01
webcluster::172.31.12.11:8080::health_flags::healthy
webcluster::172.31.12.11:8080::weight::1
webcluster::172.31.12.11:8080::region::
webcluster::172.31.12.11:8080::zone::
webcluster::172.31.12.11:8080::sub_zone::
webcluster::172.31.12.11:8080::canary::false
webcluster::172.31.12.11:8080::priority::0
webcluster::172.31.12.11:8080::success_rate::-1.0
webcluster::172.31.12.11:8080::local_origin_success_rate::-1.0
webcluster::172.31.12.12:8080::cx_active::0
webcluster::172.31.12.12:8080::cx_connect_fail::0
webcluster::172.31.12.12:8080::cx_total::0
webcluster::172.31.12.12:8080::rq_active::0
webcluster::172.31.12.12:8080::rq_error::0
webcluster::172.31.12.12:8080::rq_success::0
webcluster::172.31.12.12:8080::rq_timeout::0
webcluster::172.31.12.12:8080::rq_total::0
webcluster::172.31.12.12:8080::hostname::webserver02
webcluster::172.31.12.12:8080::health_flags::healthy
webcluster::172.31.12.12:8080::weight::1
webcluster::172.31.12.12:8080::region::
webcluster::172.31.12.12:8080::zone::
webcluster::172.31.12.12:8080::sub_zone::
webcluster::172.31.12.12:8080::canary::false
webcluster::172.31.12.12:8080::priority::0
webcluster::172.31.12.12:8080::success_rate::-1.0
webcluster::172.31.12.12:8080::local_origin_success_rate::-1.0
#新节点已经添加

4、ads-grpc
实验环境

六个Service:

envoy：Front Proxy,地址为172.31.16.2
webserver01：第一个后端服务
webserver01-sidecar：第一个后端服务的Sidecar Proxy,地址为172.31.16.11
webserver02：第二个后端服务
webserver02-sidecar：第二个后端服务的Sidecar Proxy,地址为172.31.16.12
xdsserver: xDS management server，地址为172.31.16.5

front-envoy.yaml

node:
  id: envoy_front_proxy
  cluster: webcluster

admin:
  profile_path: /tmp/envoy.prof
  access_log_path: /tmp/admin_access.log
  address:
    socket_address:
       address: 0.0.0.0
       port_value: 9901

dynamic_resources:
  ads_config:
    api_type: GRPC
    transport_api_version: V3
    grpc_services:
    - envoy_grpc:
        cluster_name: xds_cluster
    set_node_on_first_message_only: true
  cds_config:
    resource_api_version: V3
    ads: {}
  lds_config:
    resource_api_version: V3
    ads: {}
static_resources:
  clusters:
  - name: xds_cluster
    connect_timeout: 0.25s
    type: STRICT_DNS
    # The extension_protocol_options field is used to provide extension-specific protocol options for upstream connections. 
    typed_extension_protocol_options:
      envoy.extensions.upstreams.http.v3.HttpProtocolOptions:
        "@type": type.googleapis.com/envoy.extensions.upstreams.http.v3.HttpProtocolOptions
        explicit_http_config:
          http2_protocol_options: {}
    lb_policy: ROUND_ROBIN
    load_assignment:
      cluster_name: xds_cluster
      endpoints:
      - lb_endpoints:
        - endpoint:
            address:
              socket_address:
                address: xdsserver
                port_value: 18000

envoy-sidecar-proxy.yaml

admin:
  profile_path: /tmp/envoy.prof
  access_log_path: /tmp/admin_access.log
  address:
    socket_address:
       address: 0.0.0.0
       port_value: 9901

static_resources:
  listeners:
  - name: listener_0
    address:
      socket_address: { address: 0.0.0.0, port_value: 80 }
    filter_chains:
    - filters:
      - name: envoy.filters.network.http_connection_manager
        typed_config:
          "@type": type.googleapis.com/envoy.extensions.filters.network.http_connection_manager.v3.HttpConnectionManager
          stat_prefix: ingress_http
          codec_type: AUTO
          route_config:
            name: local_route
            virtual_hosts:
            - name: local_service
              domains: ["*"]
              routes:
              - match: { prefix: "/" }
                route: { cluster: local_cluster }
          http_filters:
          - name: envoy.filters.http.router
  clusters:
    - name: local_cluster
      connect_timeout: 0.25s
      type: STATIC
      lb_policy: ROUND_ROBIN
      load_assignment:
        cluster_name: local_cluster
        endpoints:
        - lb_endpoints:
          - endpoint:
              address:
                socket_address: { address: 127.0.0.1, port_value: 8080 }

docker-compose.yaml

version: '3.3'
  
services:
  envoy:
    image: envoyproxy/envoy-alpine:v1.18-latest
    volumes:
    - ./front-envoy.yaml:/etc/envoy/envoy.yaml
    networks:
      envoymesh:
        ipv4_address: 172.31.16.2
        aliases:
        - front-proxy
    depends_on:
    - webserver01
    - webserver02
    - xdsserver

  webserver01:
    image: ikubernetes/demoapp:v1.0
    environment:
      - PORT=8080
      - HOST=127.0.0.1
    hostname: webserver01
    networks:
      envoymesh:
        ipv4_address: 172.31.16.11

  webserver01-sidecar:
    image: envoyproxy/envoy-alpine:v1.18-latest
    volumes:
    - ./envoy-sidecar-proxy.yaml:/etc/envoy/envoy.yaml
    network_mode: "service:webserver01"
    depends_on:
    - webserver01

  webserver02:
    image: ikubernetes/demoapp:v1.0
    environment:
      - PORT=8080
      - HOST=127.0.0.1
    hostname: webserver02
    networks:
      envoymesh:
        ipv4_address: 172.31.16.12

  webserver02-sidecar:
    image: envoyproxy/envoy-alpine:v1.18-latest
    volumes:
    - ./envoy-sidecar-proxy.yaml:/etc/envoy/envoy.yaml
    network_mode: "service:webserver02"
    depends_on:
    - webserver02

  xdsserver:
    image: ikubernetes/envoy-xds-server:v0.1
    environment:
      - SERVER_PORT=18000
      - NODE_ID=envoy_front_proxy
      - RESOURCES_FILE=/etc/envoy-xds-server/config/config.yaml
    volumes:
    - ./resources:/etc/envoy-xds-server/config/
    networks:
      envoymesh:
        ipv4_address: 172.31.16.5
        aliases:
        - xdsserver
        - xds-service
    expose:
    - "18000"
    
networks:
  envoymesh:
    driver: bridge
    ipam:
      config:
        - subnet: 172.31.16.0/24

resources目录中的文件

config.yaml

name: myconfig
spec:
  listeners:
  - name: listener_http
    address: 0.0.0.0
    port: 80
    routes:
    - name: local_route
      prefix: /
      clusters:
      - webcluster
  clusters:
  - name: webcluster
    endpoints:
    - address: 172.31.16.11
      port: 8080

config.yaml-v2

name: myconfig
spec:
  listeners:
  - name: listener_http
    address: 0.0.0.0
    port: 80
    routes:
    - name: local_route
      prefix: /
      clusters:
      - webcluster
  clusters:
  - name: webcluster
    endpoints:
    - address: 172.31.16.11
      port: 8080
    - address: 172.31.16.12
      port: 8080

实验验证

docker-compose up

# 查看Cluster及Endpoints信息；
root@test:~# curl 172.31.16.2:9901/clusters
webcluster::observability_name::webcluster
webcluster::default_priority::max_connections::1024
webcluster::default_priority::max_pending_requests::1024
webcluster::default_priority::max_requests::1024
webcluster::default_priority::max_retries::3
webcluster::high_priority::max_connections::1024
webcluster::high_priority::max_pending_requests::1024
webcluster::high_priority::max_requests::1024
webcluster::high_priority::max_retries::3
webcluster::added_via_api::true
webcluster::172.31.16.11:8080::cx_active::0
webcluster::172.31.16.11:8080::cx_connect_fail::0
webcluster::172.31.16.11:8080::cx_total::0
webcluster::172.31.16.11:8080::rq_active::0
webcluster::172.31.16.11:8080::rq_error::0
webcluster::172.31.16.11:8080::rq_success::0
webcluster::172.31.16.11:8080::rq_timeout::0
webcluster::172.31.16.11:8080::rq_total::0
webcluster::172.31.16.11:8080::hostname::
webcluster::172.31.16.11:8080::health_flags::healthy
webcluster::172.31.16.11:8080::weight::1
webcluster::172.31.16.11:8080::region::
webcluster::172.31.16.11:8080::zone::
webcluster::172.31.16.11:8080::sub_zone::
webcluster::172.31.16.11:8080::canary::false
webcluster::172.31.16.11:8080::priority::0
webcluster::172.31.16.11:8080::success_rate::-1.0
webcluster::172.31.16.11:8080::local_origin_success_rate::-1.0
xds_cluster::observability_name::xds_cluster
xds_cluster::default_priority::max_connections::1024
xds_cluster::default_priority::max_pending_requests::1024
xds_cluster::default_priority::max_requests::1024
xds_cluster::default_priority::max_retries::3
xds_cluster::high_priority::max_connections::1024
xds_cluster::high_priority::max_pending_requests::1024
xds_cluster::high_priority::max_requests::1024
xds_cluster::high_priority::max_retries::3
xds_cluster::added_via_api::false
xds_cluster::172.31.16.5:18000::cx_active::1
xds_cluster::172.31.16.5:18000::cx_connect_fail::0
xds_cluster::172.31.16.5:18000::cx_total::1
xds_cluster::172.31.16.5:18000::rq_active::3
xds_cluster::172.31.16.5:18000::rq_error::0
xds_cluster::172.31.16.5:18000::rq_success::0
xds_cluster::172.31.16.5:18000::rq_timeout::0
xds_cluster::172.31.16.5:18000::rq_total::3
xds_cluster::172.31.16.5:18000::hostname::xdsserver
xds_cluster::172.31.16.5:18000::health_flags::healthy
xds_cluster::172.31.16.5:18000::weight::1
xds_cluster::172.31.16.5:18000::region::
xds_cluster::172.31.16.5:18000::zone::
xds_cluster::172.31.16.5:18000::sub_zone::
xds_cluster::172.31.16.5:18000::canary::false
xds_cluster::172.31.16.5:18000::priority::0
xds_cluster::172.31.16.5:18000::success_rate::-1.0
xds_cluster::172.31.16.5:18000::local_origin_success_rate::-1.0

#查看动态Clusters的相关信息
root@test:~# curl -s 172.31.16.2:9901/config_dump | jq '.configs[1].dynamic_active_clusters'
[
  {
    "version_info": "411",
    "cluster": {
      "@type": "type.googleapis.com/envoy.config.cluster.v3.Cluster",
      "name": "webcluster",
      "type": "EDS",
      "eds_cluster_config": {
        "eds_config": {
          "api_config_source": {
            "api_type": "GRPC",
            "grpc_services": [
              {
                "envoy_grpc": {
                  "cluster_name": "xds_cluster"
                }
              }
            ],
            "set_node_on_first_message_only": true,
            "transport_api_version": "V3"
          },
          "resource_api_version": "V3"
        }
      },
      "connect_timeout": "5s",
      "dns_lookup_family": "V4_ONLY"
    },
    "last_updated": "2021-12-02T07:47:28.765Z"
  }
]

# 查看Listener列表
root@test:~# curl 172.31.16.2:9901/listeners
listener_http::0.0.0.0:80

#查看动态的Listener信息
root@test:~# curl -s 172.31.16.2:9901/config_dump?resource=dynamic_listeners | jq '.configs[0].active_state.listener.address'
{
  "socket_address": {
    "address": "0.0.0.0",
    "port_value": 80
  }
}

# 接入xdsserver容器的交互式接口，修改config.yaml文件中的内容，将另一个endpoint添加进文件中，或进行其它修改；
root@test:/apps/servicemesh_in_practise-develop/Dynamic-Configuration/ads-grpc# docker-compose exec xdsserver sh
/ # cd /etc/envoy-xds-server/config/
/etc/envoy-xds-server/config #/etc/envoy-xds-server/config # cat config.yaml-v2 > config.yaml
#提示：以上修改操作也可以直接在宿主机上的存储卷目录中进行。

# 再次查看Cluster中的Endpoint信息
root@test:/apps/servicemesh_in_practise-develop/Dynamic-Configuration/ads-grpc# curl 172.31.16.2:9901/clusters
webcluster::observability_name::webcluster
webcluster::default_priority::max_connections::1024
webcluster::default_priority::max_pending_requests::1024
webcluster::default_priority::max_requests::1024
webcluster::default_priority::max_retries::3
webcluster::high_priority::max_connections::1024
webcluster::high_priority::max_pending_requests::1024
webcluster::high_priority::max_requests::1024
webcluster::high_priority::max_retries::3
webcluster::added_via_api::true
webcluster::172.31.16.11:8080::cx_active::0
webcluster::172.31.16.11:8080::cx_connect_fail::0
webcluster::172.31.16.11:8080::cx_total::0
webcluster::172.31.16.11:8080::rq_active::0
webcluster::172.31.16.11:8080::rq_error::0
webcluster::172.31.16.11:8080::rq_success::0
webcluster::172.31.16.11:8080::rq_timeout::0
webcluster::172.31.16.11:8080::rq_total::0
webcluster::172.31.16.11:8080::hostname::
webcluster::172.31.16.11:8080::health_flags::healthy
webcluster::172.31.16.11:8080::weight::1
webcluster::172.31.16.11:8080::region::
webcluster::172.31.16.11:8080::zone::
webcluster::172.31.16.11:8080::sub_zone::
webcluster::172.31.16.11:8080::canary::false
webcluster::172.31.16.11:8080::priority::0
webcluster::172.31.16.11:8080::success_rate::-1.0
webcluster::172.31.16.11:8080::local_origin_success_rate::-1.0
webcluster::172.31.16.12:8080::cx_active::0
webcluster::172.31.16.12:8080::cx_connect_fail::0
webcluster::172.31.16.12:8080::cx_total::0
webcluster::172.31.16.12:8080::rq_active::0
webcluster::172.31.16.12:8080::rq_error::0
webcluster::172.31.16.12:8080::rq_success::0
webcluster::172.31.16.12:8080::rq_timeout::0
webcluster::172.31.16.12:8080::rq_total::0
webcluster::172.31.16.12:8080::hostname::
webcluster::172.31.16.12:8080::health_flags::healthy
webcluster::172.31.16.12:8080::weight::1
webcluster::172.31.16.12:8080::region::
webcluster::172.31.16.12:8080::zone::
webcluster::172.31.16.12:8080::sub_zone::
webcluster::172.31.16.12:8080::canary::false
webcluster::172.31.16.12:8080::priority::0
webcluster::172.31.16.12:8080::success_rate::-1.0
webcluster::172.31.16.12:8080::local_origin_success_rate::-1.0
xds_cluster::observability_name::xds_cluster
xds_cluster::default_priority::max_connections::1024
xds_cluster::default_priority::max_pending_requests::1024
xds_cluster::default_priority::max_requests::1024
xds_cluster::default_priority::max_retries::3
xds_cluster::high_priority::max_connections::1024
xds_cluster::high_priority::max_pending_requests::1024
xds_cluster::high_priority::max_requests::1024
xds_cluster::high_priority::max_retries::3
xds_cluster::added_via_api::false
xds_cluster::172.31.16.5:18000::cx_active::1
xds_cluster::172.31.16.5:18000::cx_connect_fail::0
xds_cluster::172.31.16.5:18000::cx_total::1
xds_cluster::172.31.16.5:18000::rq_active::3
xds_cluster::172.31.16.5:18000::rq_error::0
xds_cluster::172.31.16.5:18000::rq_success::0
xds_cluster::172.31.16.5:18000::rq_timeout::0
xds_cluster::172.31.16.5:18000::rq_total::3
xds_cluster::172.31.16.5:18000::hostname::xdsserver
xds_cluster::172.31.16.5:18000::health_flags::healthy
xds_cluster::172.31.16.5:18000::weight::1
xds_cluster::172.31.16.5:18000::region::
xds_cluster::172.31.16.5:18000::zone::
xds_cluster::172.31.16.5:18000::sub_zone::
xds_cluster::172.31.16.5:18000::canary::false
xds_cluster::172.31.16.5:18000::priority::0
xds_cluster::172.31.16.5:18000::success_rate::-1.0
xds_cluster::172.31.16.5:18000::local_origin_success_rate::-1.0
#新节点已经添加

5、lds-cds-grpc
实验环境

六个Service:

envoy：Front Proxy,地址为172.31.15.2
webserver01：第一个后端服务
webserver01-sidecar：第一个后端服务的Sidecar Proxy,地址为172.31.15.11
webserver02：第二个后端服务
webserver02-sidecar：第二个后端服务的Sidecar Proxy,地址为172.31.15.12
xdsserver: xDS management server，地址为172.31.15.5

envoy_front_proxy.yaml

node:
  id: envoy_front_proxy
  cluster: webcluster

admin:
  profile_path: /tmp/envoy.prof
  access_log_path: /tmp/admin_access.log
  address:
    socket_address:
       address: 0.0.0.0
       port_value: 9901

dynamic_resources:
  lds_config:
    resource_api_version: V3
    api_config_source:
      api_type: GRPC
      transport_api_version: V3
      grpc_services:
      - envoy_grpc:
          cluster_name: xds_cluster

  cds_config:
    resource_api_version: V3
    api_config_source:
      api_type: GRPC
      transport_api_version: V3
      grpc_services:
      - envoy_grpc:
          cluster_name: xds_cluster

static_resources:
  clusters:
  - name: xds_cluster
    connect_timeout: 0.25s
    type: STRICT_DNS
    # The extension_protocol_options field is used to provide extension-specific protocol options for upstream connections. 
    typed_extension_protocol_options:
      envoy.extensions.upstreams.http.v3.HttpProtocolOptions:
        "@type": type.googleapis.com/envoy.extensions.upstreams.http.v3.HttpProtocolOptions
        explicit_http_config:
          http2_protocol_options: {}
    lb_policy: ROUND_ROBIN
    load_assignment:
      cluster_name: xds_cluster
      endpoints:
      - lb_endpoints:
        - endpoint:
            address:
              socket_address:
                address: xdsserver
                port_value: 18000

envoy-sidecar-proxy.yaml

admin:
  profile_path: /tmp/envoy.prof
  access_log_path: /tmp/admin_access.log
  address:
    socket_address:
       address: 0.0.0.0
       port_value: 9901

static_resources:
  listeners:
  - name: listener_0
    address:
      socket_address: { address: 0.0.0.0, port_value: 80 }
    filter_chains:
    - filters:
      - name: envoy.filters.network.http_connection_manager
        typed_config:
          "@type": type.googleapis.com/envoy.extensions.filters.network.http_connection_manager.v3.HttpConnectionManager
          stat_prefix: ingress_http
          codec_type: AUTO
          route_config:
            name: local_route
            virtual_hosts:
            - name: local_service 
              domains: ["*"]
              routes:
              - match: { prefix: "/" }
                route: { cluster: local_cluster }
          http_filters:
          - name: envoy.filters.http.router

  clusters:
  - name: local_cluster
    connect_timeout: 0.25s
    type: STATIC
    lb_policy: ROUND_ROBIN
    load_assignment:
      cluster_name: local_cluster
      endpoints:
      - lb_endpoints:
        - endpoint:
            address:
              socket_address: { address: 127.0.0.1, port_value: 8080 }

docker-compose.yaml

version: '3.3'

services:
  envoy:
    image: envoyproxy/envoy-alpine:v1.20.0
    environment:
      - ENVOY_UID=0
    volumes:
    - ./front-envoy.yaml:/etc/envoy/envoy.yaml
    networks:
      envoymesh:
        ipv4_address: 172.31.15.2
        aliases:
        - front-proxy
    depends_on:
    - webserver01
    - webserver02
    - xdsserver

  webserver01:
    image: ikubernetes/demoapp:v1.0
    environment:
      - PORT=8080
      - HOST=127.0.0.1
    hostname: webserver01
    networks:
      envoymesh:
        ipv4_address: 172.31.15.11

  webserver01-sidecar:
    image: envoyproxy/envoy-alpine:v1.20.0
    environment:
      - ENVOY_UID=0
    volumes:
    - ./envoy-sidecar-proxy.yaml:/etc/envoy/envoy.yaml
    network_mode: "service:webserver01"
    depends_on:
    - webserver01

  webserver02:
    image: ikubernetes/demoapp:v1.0
    environment:
      - PORT=8080
      - HOST=127.0.0.1
    hostname: webserver02
    networks:
      envoymesh:
        ipv4_address: 172.31.15.12

  webserver02-sidecar:
    image: envoyproxy/envoy-alpine:v1.20.0
    environment:
      - ENVOY_UID=0
    volumes:
    - ./envoy-sidecar-proxy.yaml:/etc/envoy/envoy.yaml
    network_mode: "service:webserver02"
    depends_on:
    - webserver02

  xdsserver:
    image: ikubernetes/envoy-xds-server:v0.1
    environment:
      - SERVER_PORT=18000
      - NODE_ID=envoy_front_proxy
      - RESOURCES_FILE=/etc/envoy-xds-server/config/config.yaml
    volumes:
    - ./resources:/etc/envoy-xds-server/config/
    networks:
      envoymesh:
        ipv4_address: 172.31.15.5
        aliases:
        - xdsserver
        - xds-service
    expose:
    - "18000"

networks:
  envoymesh:
    driver: bridge
    ipam:
      config:
        - subnet: 172.31.15.0/24

resources目录文件

config.yaml

name: myconfig
spec:
  listeners:
  - name: listener_http
    address: 0.0.0.0
    port: 80
    routes:
    - name: local_route
      prefix: /
      clusters:
      - webcluster
  clusters:
  - name: webcluster
    endpoints:
    - address: 172.31.15.11
      port: 8080

config.yaml-v2

name: myconfig
spec:
  listeners:
  - name: listener_http
    address: 0.0.0.0
    port: 80
    routes:
    - name: local_route
      prefix: /
      clusters:
      - webcluster
  clusters:
  - name: webcluster
    endpoints:
    - address: 172.31.15.11
      port: 8080
    - address: 172.31.15.12
      port: 8080

实验验证

docker-compose up

# 查看Cluster及Endpoints信息
root@test:/apps/servicemesh_in_practise-develop/Dynamic-Configuration/ads-grpc# curl 172.31.15.2:9901/clusters
xds_cluster::observability_name::xds_cluster
xds_cluster::default_priority::max_connections::1024
xds_cluster::default_priority::max_pending_requests::1024
xds_cluster::default_priority::max_requests::1024
xds_cluster::default_priority::max_retries::3
xds_cluster::high_priority::max_connections::1024
xds_cluster::high_priority::max_pending_requests::1024
xds_cluster::high_priority::max_requests::1024
xds_cluster::high_priority::max_retries::3
xds_cluster::added_via_api::false
xds_cluster::172.31.15.5:18000::cx_active::1
xds_cluster::172.31.15.5:18000::cx_connect_fail::0
xds_cluster::172.31.15.5:18000::cx_total::1
xds_cluster::172.31.15.5:18000::rq_active::4
xds_cluster::172.31.15.5:18000::rq_error::0
xds_cluster::172.31.15.5:18000::rq_success::0
xds_cluster::172.31.15.5:18000::rq_timeout::0
xds_cluster::172.31.15.5:18000::rq_total::4
xds_cluster::172.31.15.5:18000::hostname::xdsserver
xds_cluster::172.31.15.5:18000::health_flags::healthy
xds_cluster::172.31.15.5:18000::weight::1
xds_cluster::172.31.15.5:18000::region::
xds_cluster::172.31.15.5:18000::zone::
xds_cluster::172.31.15.5:18000::sub_zone::
xds_cluster::172.31.15.5:18000::canary::false
xds_cluster::172.31.15.5:18000::priority::0
xds_cluster::172.31.15.5:18000::success_rate::-1.0
xds_cluster::172.31.15.5:18000::local_origin_success_rate::-1.0
webcluster::observability_name::webcluster
webcluster::default_priority::max_connections::1024
webcluster::default_priority::max_pending_requests::1024
webcluster::default_priority::max_requests::1024
webcluster::default_priority::max_retries::3
webcluster::high_priority::max_connections::1024
webcluster::high_priority::max_pending_requests::1024
webcluster::high_priority::max_requests::1024
webcluster::high_priority::max_retries::3
webcluster::added_via_api::true
webcluster::172.31.15.11:8080::cx_active::0
webcluster::172.31.15.11:8080::cx_connect_fail::0
webcluster::172.31.15.11:8080::cx_total::0
webcluster::172.31.15.11:8080::rq_active::0
webcluster::172.31.15.11:8080::rq_error::0
webcluster::172.31.15.11:8080::rq_success::0
webcluster::172.31.15.11:8080::rq_timeout::0
webcluster::172.31.15.11:8080::rq_total::0
webcluster::172.31.15.11:8080::hostname::
webcluster::172.31.15.11:8080::health_flags::healthy
webcluster::172.31.15.11:8080::weight::1
webcluster::172.31.15.11:8080::region::
webcluster::172.31.15.11:8080::zone::
webcluster::172.31.15.11:8080::sub_zone::
webcluster::172.31.15.11:8080::canary::false
webcluster::172.31.15.11:8080::priority::0
webcluster::172.31.15.11:8080::success_rate::-1.0
webcluster::172.31.15.11:8080::local_origin_success_rate::-1.0

#或者查看动态Clusters的相关信息
root@test:/apps/servicemesh_in_practise-develop/Dynamic-Configuration/ads-grpc# curl -s 172.31.15.2:9901/config_dump | jq '.configs[1].dynamic_active_clusters'
[
  {
    "version_info": "411",
    "cluster": {
      "@type": "type.googleapis.com/envoy.config.cluster.v3.Cluster",
      "name": "webcluster",
      "type": "EDS",
      "eds_cluster_config": {
        "eds_config": {
          "api_config_source": {
            "api_type": "GRPC",
            "grpc_services": [
              {
                "envoy_grpc": {
                  "cluster_name": "xds_cluster"
                }
              }
            ],
            "set_node_on_first_message_only": true,
            "transport_api_version": "V3"
          },
          "resource_api_version": "V3"
        }
      },
      "connect_timeout": "5s",
      "dns_lookup_family": "V4_ONLY"
    },
    "last_updated": "2021-12-02T08:05:20.650Z"
  }
]

# 查看Listener列表
root@test:/apps/servicemesh_in_practise-develop/Dynamic-Configuration/ads-grpc# curl 172.31.15.2:9901/listeners
listener_http::0.0.0.0:80

#或者查看动态的Listener信息
root@test:/apps/servicemesh_in_practise-develop/Dynamic-Configuration/ads-grpc# curl -s 172.31.15.2:9901/config_dump?resource=dynamic_listeners | jq '.configs[0].active_state.listener.address'
{
  "socket_address": {
    "address": "0.0.0.0",
    "port_value": 80
  }
}

# 接入xdsserver容器的交互式接口，修改config.yaml文件中的内容，将另一个endpoint添加进文件中，或进行其它修改；
root@test:/apps/servicemesh_in_practise-develop/Dynamic-Configuration/ads-grpc# docker exec -it lds-cds-grpc_xdsserver_1 sh

/ # cd /etc/envoy-xds-server/config
/etc/envoy-xds-server/config # cat config.yaml-v2 > config.yaml
#提示：以上修改操作也可以直接在宿主机上的存储卷目录中进行。

# 再次查看Cluster中的Endpoint信息 
root@test:/apps/servicemesh_in_practise-develop/Dynamic-Configuration/ads-grpc# curl 172.31.15.2:9901/clusters
xds_cluster::observability_name::xds_cluster
xds_cluster::default_priority::max_connections::1024
xds_cluster::default_priority::max_pending_requests::1024
xds_cluster::default_priority::max_requests::1024
xds_cluster::default_priority::max_retries::3
xds_cluster::high_priority::max_connections::1024
xds_cluster::high_priority::max_pending_requests::1024
xds_cluster::high_priority::max_requests::1024
xds_cluster::high_priority::max_retries::3
xds_cluster::added_via_api::false
xds_cluster::172.31.15.5:18000::cx_active::1
xds_cluster::172.31.15.5:18000::cx_connect_fail::0
xds_cluster::172.31.15.5:18000::cx_total::1
xds_cluster::172.31.15.5:18000::rq_active::4
xds_cluster::172.31.15.5:18000::rq_error::0
xds_cluster::172.31.15.5:18000::rq_success::0
xds_cluster::172.31.15.5:18000::rq_timeout::0
xds_cluster::172.31.15.5:18000::rq_total::4
xds_cluster::172.31.15.5:18000::hostname::xdsserver
xds_cluster::172.31.15.5:18000::health_flags::healthy
xds_cluster::172.31.15.5:18000::weight::1
xds_cluster::172.31.15.5:18000::region::
xds_cluster::172.31.15.5:18000::zone::
xds_cluster::172.31.15.5:18000::sub_zone::
xds_cluster::172.31.15.5:18000::canary::false
xds_cluster::172.31.15.5:18000::priority::0
xds_cluster::172.31.15.5:18000::success_rate::-1.0
xds_cluster::172.31.15.5:18000::local_origin_success_rate::-1.0
webcluster::observability_name::webcluster
webcluster::default_priority::max_connections::1024
webcluster::default_priority::max_pending_requests::1024
webcluster::default_priority::max_requests::1024
webcluster::default_priority::max_retries::3
webcluster::high_priority::max_connections::1024
webcluster::high_priority::max_pending_requests::1024
webcluster::high_priority::max_requests::1024
webcluster::high_priority::max_retries::3
webcluster::added_via_api::true
webcluster::172.31.15.11:8080::cx_active::0
webcluster::172.31.15.11:8080::cx_connect_fail::0
webcluster::172.31.15.11:8080::cx_total::0
webcluster::172.31.15.11:8080::rq_active::0
webcluster::172.31.15.11:8080::rq_error::0
webcluster::172.31.15.11:8080::rq_success::0
webcluster::172.31.15.11:8080::rq_timeout::0
webcluster::172.31.15.11:8080::rq_total::0
webcluster::172.31.15.11:8080::hostname::
webcluster::172.31.15.11:8080::health_flags::healthy
webcluster::172.31.15.11:8080::weight::1
webcluster::172.31.15.11:8080::region::
webcluster::172.31.15.11:8080::zone::
webcluster::172.31.15.11:8080::sub_zone::
webcluster::172.31.15.11:8080::canary::false
webcluster::172.31.15.11:8080::priority::0
webcluster::172.31.15.11:8080::success_rate::-1.0
webcluster::172.31.15.11:8080::local_origin_success_rate::-1.0
webcluster::172.31.15.12:8080::cx_active::0
webcluster::172.31.15.12:8080::cx_connect_fail::0
webcluster::172.31.15.12:8080::cx_total::0
webcluster::172.31.15.12:8080::rq_active::0
webcluster::172.31.15.12:8080::rq_error::0
webcluster::172.31.15.12:8080::rq_success::0
webcluster::172.31.15.12:8080::rq_timeout::0
webcluster::172.31.15.12:8080::rq_total::0
webcluster::172.31.15.12:8080::hostname::
webcluster::172.31.15.12:8080::health_flags::healthy
webcluster::172.31.15.12:8080::weight::1
webcluster::172.31.15.12:8080::region::
webcluster::172.31.15.12:8080::zone::
webcluster::172.31.15.12:8080::sub_zone::
webcluster::172.31.15.12:8080::canary::false
webcluster::172.31.15.12:8080::priority::0
webcluster::172.31.15.12:8080::success_rate::-1.0
webcluster::172.31.15.12:8080::local_origin_success_rate::-1.0
#新节点已加入

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