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142 lines
6.2 KiB
Markdown
142 lines
6.2 KiB
Markdown
---
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title: http-logger
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---
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<!--
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#
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership.
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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 not use this file except in compliance with
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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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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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-->
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## 目录
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- [**定义**](#定义)
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- [**属性列表**](#属性列表)
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- [**如何开启**](#如何开启)
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- [**测试插件**](#测试插件)
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- [**插件元数据设置**](#插件元数据设置)
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- [**禁用插件**](#禁用插件)
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## 定义
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`http-logger` 是一个插件,可将Log数据请求推送到 HTTP / HTTPS 服务器。
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这将提供将 Log 数据请求作为JSON对象发送到监视工具和其他 HTTP 服务器的功能。
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## 属性列表
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| 名称 | 类型 | 必选项 | 默认值 | 有效值 | 描述 |
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| ---------------- | ------- | ------ | ------------- | ------- | ------------------------------------------------ |
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| uri | string | 必须 | | | `HTTP/HTTPS` 服务器的 URI。 |
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| auth_header | string | 可选 | "" | | 授权头部。 |
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| timeout | integer | 可选 | 3 | [1,...] | 发送请求后保持连接活动的时间。 |
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| name | string | 可选 | "http logger" | | 标识 logger 的唯一标识符。 |
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| batch_max_size | integer | 可选 | 1000 | [1,...] | 设置每批发送日志的最大条数,当日志条数达到设置的最大值时,会自动推送全部日志到 `HTTP/HTTPS` 服务。 |
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| inactive_timeout | integer | 可选 | 5 | [1,...] | 刷新缓冲区的最大时间(以秒为单位),当达到最大的刷新时间时,无论缓冲区中的日志数量是否达到设置的最大条数,也会自动将全部日志推送到 `HTTP/HTTPS` 服务。 |
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| buffer_duration | integer | 可选 | 60 | [1,...] | 必须先处理批次中最旧条目的最长期限(以秒为单位)。 |
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| max_retry_count | integer | 可选 | 0 | [0,...] | 从处理管道中移除之前的最大重试次数。 |
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| retry_delay | integer | 可选 | 1 | [0,...] | 如果执行失败,则应延迟执行流程的秒数。 |
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| include_req_body | boolean | 可选 | false | [false, true] | 是否包括请求 body。false: 表示不包含请求的 body ; true: 表示包含请求的 body 。 |
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| concat_method | string | 可选 | "json" | ["json", "new_line"] | 枚举类型: `json`、`new_line`。**json**: 对所有待发日志使用 `json.encode` 编码。**new_line**: 对每一条待发日志单独使用 `json.encode` 编码并使用 "\n" 连接起来。 |
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## 如何开启
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这是有关如何为特定路由启用 http-logger 插件的示例。
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```shell
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curl http://127.0.0.1:9080/apisix/admin/routes/1 -H 'X-API-KEY: edd1c9f034335f136f87ad84b625c8f1' -X PUT -d '
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{
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"plugins": {
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"http-logger": {
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"uri": "http://127.0.0.1:80/postendpoint?param=1"
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}
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},
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"upstream": {
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"type": "roundrobin",
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"nodes": {
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"127.0.0.1:1980": 1
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}
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},
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"uri": "/hello"
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}'
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```
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## 测试插件
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> 成功:
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```shell
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$ curl -i http://127.0.0.1:9080/hello
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HTTP/1.1 200 OK
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...
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hello, world
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```
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## 插件元数据设置
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| 名称 | 类型 | 必选项 | 默认值 | 有效值 | 描述 |
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| ---------------- | ------- | ------ | ------------- | ------- | ------------------------------------------------ |
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| log_format | object | 可选 | {"host": "$host", "@timestamp": "$time_iso8601", "client_ip": "$remote_addr"} | | 以 JSON 对象方式声明日志格式。对 value 部分,仅支持字符串。如果是以 `$` 开头,则表明是要获取 __APISIX__ 变量或 [Nginx 内置变量](http://nginx.org/en/docs/varindex.html)。特别的,该设置是全局生效的,意味着指定 log_format 后,将对所有绑定 http-logger 的 Route 或 Service 生效。 |
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**APISIX 变量**
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| 变量名 | 描述 | 使用示例 |
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|------------------|-------------------------|----------------|
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| route_id | `route` 的 id | $route_id |
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| route_name | `route` 的 name | $route_name |
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| service_id | `service` 的 id | $service_id |
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| service_name | `service` 的 name | $service_name |
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| consumer_name | `consumer` 的 username | $consumer_name |
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### 设置日志格式示例
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```shell
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curl http://127.0.0.1:9080/apisix/admin/plugin_metadata/http-logger -H 'X-API-KEY: edd1c9f034335f136f87ad84b625c8f1' -X PUT -d '
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{
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"log_format": {
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"host": "$host",
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"@timestamp": "$time_iso8601",
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"client_ip": "$remote_addr"
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}
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}'
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```
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在日志收集处,将得到类似下面的日志:
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```shell
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{"host":"localhost","@timestamp":"2020-09-23T19:05:05-04:00","client_ip":"127.0.0.1","route_id":"1"}
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{"host":"localhost","@timestamp":"2020-09-23T19:05:05-04:00","client_ip":"127.0.0.1","route_id":"1"}
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```
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## 禁用插件
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在插件配置中删除相应的 json 配置以禁用 http-logger。APISIX 插件是热重载的,因此无需重新启动 APISIX:
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```shell
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$ curl http://127.0.0.1:2379/apisix/admin/routes/1 -H 'X-API-KEY: edd1c9f034335f136f87ad84b625c8f1' -X PUT -d value='
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{
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"methods": ["GET"],
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"uri": "/hello",
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"plugins": {},
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"upstream": {
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"type": "roundrobin",
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"nodes": {
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"127.0.0.1:1980": 1
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}
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}
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}'
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```
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