2019-10-31 09:27:28 +08:00
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# The ASF licenses this file to You under the Apache License, Version 2.0
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# the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# limitations under the License.
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-->
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2019-09-26 17:47:08 +08:00
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目录
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===
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* [Route](#route)
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## Route
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2019-12-06 11:13:24 +08:00
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*地址*:/apisix/admin/routes/{id}?ttl=0
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2019-09-26 17:47:08 +08:00
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*说明*:Route 字面意思就是路由,通过定义一些规则来匹配客户端的请求,然后根据匹配结果加载并执行相应的
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插件,并把请求转发给到指定 Upstream。
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> 请求方法:
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|名字 |请求 uri|请求 body|说明 |
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|---------|-------------------------|--|------|
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|GET |/apisix/admin/routes/{id}|无|获取资源|
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|PUT |/apisix/admin/routes/{id}|{...}|根据 id 创建资源|
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|POST |/apisix/admin/routes |{...}|创建资源,id 由后台服务自动生成|
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|DELETE |/apisix/admin/routes/{id}|无|删除资源|
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|PATCH |/apisix/admin/routes/{id}/{path}|{...}|修改已有 Route 的部分内容,其他不涉及部分会原样保留。|
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2019-12-06 11:13:24 +08:00
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> uri 请求参数:
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|名字 |可选项 |类型 |说明 |示例|
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|---------|---------|----|-----------|----|
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|ttl |可选 |辅助 |超过这个时间会被自动删除,单位:秒|ttl=1|
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> body 请求参数:
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|名字 |可选项 |类型 |说明 |示例|
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|---------|---------|----|-----------|----|
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|desc |可选 |辅助 |标识路由名称、使用场景等。|客户 xxxx|
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|uri |必须 |匹配规则|除了如 `/foo/bar`、`/foo/gloo` 这种全量匹配外,使用不同 [Router](architecture-design-cn.md#router) 还允许更高级匹配,更多见 [Router](architecture-design-cn.md#router)。|"/hello"|
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|host |可选 |匹配规则|当前请求域名,比如 `foo.com`;也支持泛域名,比如 `*.foo.com`。|"foo.com"|
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|hosts |可选 |匹配规则|列表形态的 `host`,表示允许有多个不同 `host`,匹配其中任意一个即可。|{"foo.com", "*.bar.com"}|
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|remote_addr|可选 |匹配规则|客户端请求 IP 地址: `192.168.1.101`、`192.168.1.102` 以及 CIDR 格式的支持 `192.168.1.0/24`。特别的,APISIX 也完整支持 IPv6 地址匹配:`::1`,`fe80::1`, `fe80::1/64` 等。|"192.168.1.0/24"|
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|remote_addrs|可选 |匹配规则|列表形态的 `remote_addr`,表示允许有多个不同 IP 地址,符合其中任意一个即可。|{"127.0.0.1", "192.0.0.0/8", "::1"}|
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|methods |可选 |匹配规则|如果为空或没有该选项,代表没有任何 `method` 限制,也可以是一个或多个的组合:`GET`, `POST`, `PUT`, `DELETE`, `PATCH`, `HEAD`, `OPTIONS`,`CONNECT`,`TRACE`。|{"GET", "POST"}|
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|priority |可选 |匹配规则|如果不同路由包含相同 `uri`,根据属性 `priority` 确定哪个 `route` 被优先匹配,默认值为 0。|priority = 10|
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|vars |可选 |匹配规则(仅支持 `radixtree` 路由)|由一个或多个`{var, operator, val}`元素组成的列表,类似这样:`{{var, operator, val}, {var, operator, val}, ...}`。例如:`{"arg_name", "==", "json"}`,表示当前请求参数 `name` 是 `json`。这里的 `var` 与 Nginx 内部自身变量命名是保持一致,所以也可以使用 `request_uri`、`host` 等;对于 `operator` 部分,目前已支持的运算符有 `==`、`~=`、`>`、`<` 和 `~~`。对于`>`和`<`两个运算符,会把结果先转换成 number 然后再做比较。查看支持的[运算符列表](#运算符列表)|{{"arg_name", "==", "json"}, {"arg_age", ">", 18}}|
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|filter_func|可选|匹配规则|用户自定义的过滤函数。可以使用它来实现特殊场景的匹配要求实现。该函数默认接受一个名为 vars 的输入参数,可以用它来获取 Nginx 变量。|function(vars) return vars["arg_name"] == "json" end|
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|plugins |可选 |Plugin|详见 [Plugin](architecture-design-cn.md#plugin) ||
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|upstream |可选 |Upstream|启用的 Upstream 配置,详见 [Upstream](architecture-design-cn.md#upstream)||
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|upstream_id|可选 |Upstream|启用的 upstream id,详见 [Upstream](architecture-design-cn.md#upstream)||
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|service_id|可选 |Service|绑定的 Service 配置,详见 [Service](architecture-design-cn.md#service)||
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2019-11-01 10:09:01 +08:00
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|service_protocol|可选|上游协议类型|只可以是 "grpc", "http" 二选一。|默认 "http",使用gRPC proxy 或gRPC transcode 时,必须用"grpc"|
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对于同一类参数比如 `host` 与 `hosts`,`remote_addr` 与 `remote_addrs`,是不能同时存在,二者只能选择其一。如果同时启用,接口会报错。
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示例:
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```shell
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2019-12-06 11:13:24 +08:00
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# 创建一个路由
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2019-09-26 17:47:08 +08:00
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$ curl http://127.0.0.1:9080/apisix/admin/routes/1 -X PUT -i -d '
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{
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"uri": "/index.html",
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"hosts": ["foo.com", "*.bar.com"],
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"remote_addrs": ["127.0.0.0/8"],
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"methods": ["PUT", "GET"],
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"upstream": {
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"type": "roundrobin",
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"nodes": {
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"39.97.63.215:80": 1
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}
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}
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}'
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HTTP/1.1 201 Created
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Date: Sat, 31 Aug 2019 01:17:15 GMT
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...
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2019-12-06 11:13:24 +08:00
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# 创建一个有效期为 60 秒的路由,过期后自动删除
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$ curl http://127.0.0.1:9080/apisix/admin/routes/2?ttl=60 -X PUT -i -d '
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{
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"uri": "/aa/index.html",
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"upstream": {
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"type": "roundrobin",
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"nodes": {
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"39.97.63.215:80": 1
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}
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}
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}'
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HTTP/1.1 201 Created
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Date: Sat, 31 Aug 2019 01:17:15 GMT
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...
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2019-09-26 17:47:08 +08:00
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```
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> 应答参数
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目前是直接返回与 etcd 交互后的结果。
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2019-09-27 19:11:37 +08:00
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2019-11-01 09:49:09 +08:00
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### 运算符列表
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|运算符 |描述 |例子|
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|--------|-----------|-------|
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|== |相等 |{"arg_name", "==", "json"}|
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|~= |不等于 |{"arg_name", "~=", "json"}|
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|> |大于 |{"arg_age", ">", 24}|
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|< |小于 |{"arg_age", "<", 24}|
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|~~ |正则匹配 |{"arg_name", "~~", "[a-z]+"}|
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请看下面例子,匹配请求参数 name 等于 json ,age 大于 18 且 address 开头是 China 的请求:
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```shell
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curl http://127.0.0.1:9080/apisix/admin/routes/1 -X PUT -i -d '
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{
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"uri": "/index.html",
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"vars": [
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["arg_name", "==", "json"],
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["arg_age", ">", "18"],
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["arg_address", "~~", "China.*"]
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],
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"upstream": {
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"type": "roundrobin",
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"nodes": {
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"39.97.63.215:80": 1
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}
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}
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}'
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```
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2019-09-27 19:11:37 +08:00
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[Back to TOC](#目录)
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