ApiSix的docker 容器化部署及使用

⼀．etcd安装
Docekr安装Etcd
环境准备
此处安装，是利⽤下载的 etcd 源⽂件，利⽤ docker build 构建完整镜像，具体操作如下：
1.环境准备
1.1. 新建⽂件夹
在磁盘某个路径下新建⼀个⽂件夹，⽤处操作 Dockerfile 和 源⽂件。
演⽰中的路径在 /data/docker–compose/etcd ，如特殊说明，否则都在此路径，以下简称
ETCD_HOME
1.2. 下载

在 ETCD_HOME 中下载最新版本，官⽅下载地址如下： wget https://github.com/etcd-io/etcd/

1.3. ⽂件解压
解压⽂件 tar.gz 得到 etcd-v3.4.20-linux-amd64 ⽂件夹。

tar -zxvf etcd-v3.4.20-linux-amd64.tar.gz

1.4. ⽂件拷⻉
在 etcd-v3.4.20-linux-amd64 ⽂件夹下，有 etcd 和 etcdctl 两个⽂件，拷⻉⾄与 etcd-v3.4.20-linuxamd64 同⼀级。

cp etcd-v3.4.20-linux-amd64/etcd etcd-v3.4.20-linux-amd64/etcdctl .

2.安装
2.1Dockerfile编写

FROM alpine:latest
ADD etcd /usr/local/bin/
ADD etcdctl /usr/local/bin/
RUN mkdir -p /var/etcd/
RUN mkdir -p /var/lib/etcd/
RUN echo 'hosts: files mdns4_minimal [NOTFOUND=return] dns mdns4' >> /etc/nsswitch.conf
EXPOSE 2379 2380
CMD ["/usr/local/bin/etcd"]

2.2构建镜像并推送

//打包为docker镜像
docker build -t 阿里云镜像仓库地址/xxxx/etcd:5.1.Z .
//将docker镜像推送到阿里云上
docker push  阿里云镜像仓库地址/xxxxx/etcd:5.1.Z

2.3启动镜像

docker run -d -v /usr/share/ca-certificates/:/etc/ssl/certs -p 4001:4001 -p 2380:2380 -p 2379:2379 \
 --name etcd 阿里云镜像仓库地址/xxxx/etcd:5.1.Z /usr/local/bin/etcd \
 -name etcd0 \
 -advertise-client-urls http://182.182.33.103:2379 \
 -listen-client-urls http://0.0.0.0:2379 \
 -initial-advertise-peer-urls http://0.0.0.0:2380 \
 -listen-peer-urls http://0.0.0.0:2380 \
 -initial-cluster-token etcd-cluster-1 \
 -initial-cluster etcd0=http://0.0.0.0:2380 \
 -initial-cluster-state new

name: 节点名称
advertise-client-urls: 知客户端url, 也就是服务的url 就是etcd部署在那台机器上就写那台的ip
initial-advertise-peer-urls: 告知集群其他节点url
listen-peer-urls: 监听URL，用于与其他节点通讯
initial-cluster-token: 集群的ID
initial-cluster: 集群中所有节点

3.下载并安装etcd-manager（etcd的可视化客户端）

https://etcdmanager.io/

二.安装apisix
1.首先在创建如下文件夹和文件:
文件地址：
/opt/apisix/apisix-conf/
上传config.yaml到上面的文件夹下
内容：主要修改的是etcd:host部分

#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License.  You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

apisix:
  node_listen: 9080              # APISIX listening port
  enable_ipv6: false

  enable_control: true
  control:
    ip: "0.0.0.0"
    port: 9092

deployment:
  admin:
    allow_admin:               # https://nginx.org/en/docs/http/ngx_http_access_module.html#allow
      - 0.0.0.0/0              # We need to restrict ip access rules for security. 0.0.0.0/0 is for test.

    admin_key:
      - name: "admin"
        key: edd1c9f034335f136f87ad84b625c8f1
        role: admin                 # admin: manage all configuration data

      - name: "viewer"
        key: 4054f7cf07e344346cd3f287985e76a2
        role: viewer

  etcd:
    host:                           # it's possible to define multiple etcd hosts addresses of the same etcd cluster.
      - "http://182.182.33.103:2379"          # multiple etcd address
    prefix: "/apisix"               # apisix configurations prefix
    timeout: 30                     # 30 seconds

plugin_attr:
  prometheus:
    export_addr:
      ip: "0.0.0.0"
      port: 9091

/opt/apisix/dashboard_conf/
上传conf.yaml文件到上面的文件夹下
内容:主要修改etcd cluster

#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License.  You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

conf:
  listen:
    host: 0.0.0.0     # `manager api` listening ip or host name
    port: 9000          # `manager api` listening port
  allow_list:           # If we don't set any IP list, then any IP access is allowed by default.
    - 0.0.0.0/0
  etcd:
    endpoints:          # supports defining multiple etcd host addresses for an etcd cluster
      - "http://182.182.33.103:2379"
                          # yamllint disable rule:comments-indentation
                          # etcd basic auth info
    # username: "root"    # ignore etcd username if not enable etcd auth
    # password: "123456"  # ignore etcd password if not enable etcd auth
    mtls:
      key_file: ""          # Path of your self-signed client side key
      cert_file: ""         # Path of your self-signed client side cert
      ca_file: ""           # Path of your self-signed ca cert, the CA is used to sign callers' certificates
    # prefix: /apisix     # apisix config's prefix in etcd, /apisix by default
  log:
    error_log:
      level: warn       # supports levels, lower to higher: debug, info, warn, error, panic, fatal
      file_path:
        logs/error.log  # supports relative path, absolute path, standard output
                        # such as: logs/error.log, /tmp/logs/error.log, /dev/stdout, /dev/stderr
    access_log:
      file_path:
        logs/access.log  # supports relative path, absolute path, standard output
                         # such as: logs/access.log, /tmp/logs/access.log, /dev/stdout, /dev/stderr
                         # log example: 2020-12-09T16:38:09.039+0800        INFO        filter/logging.go:46        /apisix/admin/routes/r1        {"status": 401, "host": "127.0.0.1:9000", "query": "asdfsafd=adf&a=a", "requestId": "3d50ecb8-758c-46d1-af5b-cd9d1c820156", "latency": 0, "remoteIP": "127.0.0.1", "method": "PUT", "errs": []}
  security:
      # access_control_allow_origin: "http://httpbin.org"
      # access_control_allow_credentials: true          # support using custom cors configration
      # access_control_allow_headers: "Authorization"
      # access_control-allow_methods: "*"
      # x_frame_options: "deny"
      content_security_policy: "default-src 'self'; script-src 'self' 'unsafe-eval' 'unsafe-inline'; style-src 'self' 'unsafe-inline'; frame-src *"  # You can set frame-src to provide content for your grafana panel.

authentication:
  secret:
    secret              # secret for jwt token generation.
                        # NOTE: Highly recommended to modify this value to protect `manager api`.
                        # if it's default value, when `manager api` start, it will generate a random string to replace it.
  expire_time: 3600     # jwt token expire time, in second
  users:                # yamllint enable rule:comments-indentation
    - username: admin   # username and password for login `manager api`
      password: admin
    - username: user
      password: user

plugins:                          # plugin list (sorted in alphabetical order)
  - api-breaker
  - authz-keycloak
  - basic-auth
  - batch-requests
  - consumer-restriction
  - cors
  # - dubbo-proxy
  - echo
  # - error-log-logger
  # - example-plugin
  - fault-injection
  - grpc-transcode
  - hmac-auth
  - http-logger
  - ip-restriction
  - jwt-auth
  - kafka-logger
  - key-auth
  - limit-conn
  - limit-count
  - limit-req
  # - log-rotate
  # - node-status
  - openid-connect
  - prometheus
  - proxy-cache
  - proxy-mirror
  - proxy-rewrite
  - redirect
  - referer-restriction
  - request-id
  - request-validation
  - response-rewrite
  - serverless-post-function
  - serverless-pre-function
  # - skywalking
  - sls-logger
  - syslog
  - tcp-logger
  - udp-logger
  - uri-blocker
  - wolf-rbac
  - zipkin
  - server-info
  - traffic-split

2.执行下载和启动docker的命令

docker run -d --name apisix -p 9080:9080 -p 9443:9443  -p 9180:9180 -v /opt/apisix/apisix-conf/config.yaml:/usr/local/apisix/conf/config.yaml:ro apache/apisix:latest

下面这是web端命令：

docker run -d --name apisix-dashboard -p 9000:9000 -v /opt/apisix/dashboard_conf/conf.yaml:/usr/local/apisix-dashboard/conf/conf.yaml apache/apisix-dashboard:3.0.0-alpine

容器启动成功后访问ApiSix仪表台，如下图成功访问

3.apisix代理地址的使用
配置上游：

填写名称、可选择上游类型。这里选择的是节点，当然可以选择服务发现，但是需要配置。

创建完上游后可以创建路由

点击下一步选择上游服务

然后一直下一步到提交。
之后就可以打开postman进行测试了。
默认访问的端口是9080

apisix相关文档:

https://apisix.apache.org/zh/docs/apisix/getting-started/README/

https://apisix.apache.org/zh/docs/

三.代理轮询的使用
1.上游类型为节点
配置上游。

上述目标节点的配置其实是同一个后端服务的，只不过我在一台机器上无法使用相同的端口所以修改了一下端口，这个的含义就是我的一个后端服务做了集群部署，这样配置就可以轮询去访问多台服务器上的同一个后端服务。
上游配置完可以配置服务也可以直接配置路由,当配置服务后再配置路由绑定服务选择自己创建的服务。

2.服务发现的形式(这里以nacos注册中心为例)
服务发现的文章可以看看这篇:https://www.aneasystone.com/archives/2023/03/apisix-service-discovery.html
在/opt/apisix/apisix-conf/
的config.yaml文件中添加nacos配置
整体配置：

 nacos:
    host:
      - "http://nacos:nacos@193.193.173.721:8848"
    prefix: "/nacos/v1/"
    fetch_interval: 30    # default 30 sec
    weight: 100           # default 100
    timeout:
      connect: 2000       # default 2000 ms
      send: 2000          # default 2000 ms
      read: 5000          # default 5000 ms

简洁配置：

discovery:
  nacos:
    host:
      - "http://193.193.173.721:8848"

官网文档地址:https://apisix.apache.org/zh/docs/apisix/discovery/nacos/
配置完成后重启apisix服务
配置上游

上游配置完可以配置服务也可以直接配置路由。
nacos截图

分别访问不同服务器上的同一个服务，发现可以做到轮询访问。

代码007普通

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