apisix/doc/zh-cn/stand-alone.md

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Stand-alone mode

开启 Stand-alone 模式的 APISIX 节点,将不再使用默认的 etcd 作为配置中心。

这种方式比较适合两类用户:

  1. kubernetes(k8s):声明式 API 场景,通过全量 yaml 配置来动态更新修改路由规则。
  2. 不同配置中心:配置中心的实现有很多,比如 Consul 等,使用全量 yaml 做中间转换桥梁。

APISIX 节点服务启动后会立刻加载 conf/apisix.yaml 文件中的路由规则到内存,并且每间隔一定时间 (默认 1 秒钟),都会尝试检测文件内容是否有更新,如果有更新则重新加载规则。

注意:重新加载规则并更新时,均是内存热更新,不会有工作进程的替换过程,是个热更新过程。

通过设置 conf/config.yaml 中的 apisix.config_center 选项为 yaml 表示启 用 Stand-alone 模式。

参考下面示例:

apisix:
  # ...
  config_center: yaml             # etcd: use etcd to store the config value
                                  # yaml: fetch the config value from local yaml file `/your_path/conf/apisix.yaml`
# ...

此外由于目前 Admin API 都是基于 etcd 配置中心解决方案,当开启 Stand-alone 模式后, Admin API 将不再被允许使用。

如何配置规则

所有的路由规则均存放在 conf/apisix.yaml 这一个文件中APISIX 会以每秒(默认)频率检查文件是否有变化,如果有变化,则会检查文件末尾是否能找到 #END 结尾,找到后则重新加载文件更新到内存。

下面就是个最小的示例:

routes:
  -
    uri: /hello
    upstream:
        nodes:
            "127.0.0.1:1980": 1
        type: roundrobin
#END

注意:如果conf/apisix.yaml末尾不能找到 #END,那么 APISIX 将不会加载这个文件规则到内存。

配置 Router

单个 Router

routes:
  -
    uri: /hello
    upstream:
        nodes:
            "127.0.0.1:1980": 1
        type: roundrobin
#END

多个 Router

routes:
  -
    uri: /hello
    upstream:
        nodes:
            "127.0.0.1:1980": 1
        type: roundrobin
  -
    uri: /hello2
    upstream:
        nodes:
            "127.0.0.1:1981": 1
        type: roundrobin
#END

配置 Router + Service

routes:
    -
        uri: /hello
        service_id: 1
services:
    -
        id: 1
        upstream:
            nodes:
                "127.0.0.1:1980": 1
            type: roundrobin
#END

配置 Router + Upstream

routes:
    -
        uri: /hello
        upstream_id: 1
upstreams:
    -
        id: 1
        nodes:
            "127.0.0.1:1980": 1
        type: roundrobin
#END

配置 Router + Service + Upstream

routes:
    -
        uri: /hello
        service_id: 1
services:
    -
        id: 1
        upstream_id: 2
upstreams:
    -
        id: 2
        nodes:
            "127.0.0.1:1980": 1
        type: roundrobin
#END

配置 Plugins

# 列出的插件会被热加载并覆盖掉启动时的配置
plugins:
  - name: ip-restriction
  - name: jwt-auth
  - name: mqtt-proxy
    stream: true # stream 插件需要设置 stream 属性为 true
#END

启用 SSL

ssl:
    -
        cert: |
            -----BEGIN CERTIFICATE-----
            MIIDrzCCApegAwIBAgIJAI3Meu/gJVTLMA0GCSqGSIb3DQEBCwUAMG4xCzAJBgNV
            BAYTAkNOMREwDwYDVQQIDAhaaGVqaWFuZzERMA8GA1UEBwwISGFuZ3pob3UxDTAL
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            2MvLL4NZ2nUh8hAEHiLtGMAV3C6xNbEyM07hEpDW6vk6tqk=
            -----END CERTIFICATE-----            
        key: |
            -----BEGIN PRIVATE KEY-----
            MIIEvgIBADANBgkqhkiG9w0BAQEFAASCBKgwggSkAgEAAoIBAQCf6sMQke4OUrPf
            lZXqKZC4uaQLMxJB2DgacBf4Q3kXcVNCNHtc2U3U5cMD8tr3/Jt5MKKun5jQrbXV
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            5r8bXl1nZbM/KOZEE+muA1LVoaTyHzY/aGXz0bNy4QRUO+De9JFcTDgnXnNZVG5x
            cyyDBpc9AgMBAAECggEAatcEtehZPJaCeClPPF/Cwbe9YoIfe4BCk186lHI3z7K1
            5nB7zt+bwVY0AUpagv3wvXoB5lrYVOsJpa9y5iAb3GqYMc/XDCKfD/KLea5hwfcn
            BctEn0LjsPVKLDrLs2t2gBDWG2EU+udunwQh7XTdp2Nb6V3FdOGbGAg2LgrSwP1g
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            L/OQiPhfLQKBgQCh1iG1fPh7bbnVe/HI71iL58xoPbCwMLEFIjMiOFcINirqCG6V
            LR91Ytj34JCihl1G4/TmWnsH1hGIGDRtJLCiZeHL70u32kzCMkI1jOhFAWqoutMa
            7obDkmwraONIVW/kFp6bWtSJhhTQTD4adI9cPCKWDXdcCHSWj0Xk+U8HgQKBgBng
            t1HYhaLzIZlP/U/nh3XtJyTrX7bnuCZ5FhKJNWrYjxAfgY+NXHRYCKg5x2F5j70V
            be7pLhxmCnrPTMKZhik56AaTBOxVVBaYWoewhUjV4GRAaK5Wc8d9jB+3RizPFwVk
            V3OU2DJ1SNZ+W2HBOsKrEfwFF/dgby6i2w6MuAP1AoGBAIxvxUygeT/6P0fHN22P
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            r8yiEiskqRmy7P7MY9hDmEbG
            -----END PRIVATE KEY-----            
        sni: "yourdomain.com"
#END