2020-06-03 15:40:56 +08:00
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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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2020-08-12 22:54:11 +08:00
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- [English](../../plugins/skywalking.md)
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2020-06-03 15:40:56 +08:00
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# 目录
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2020-10-29 15:29:52 +08:00
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- [名字](#名字)
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- [属性](#属性)
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- [如何启用](#如何启用)
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- [测试插件](#测试插件)
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- [运行 Skywalking 实例](#运行-Skywalking-实例)
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- [禁用插件](#禁用插件)
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- [上游服务是java的SpringBoot示例代码](#上游服务是java的SpringBoot示例代码)
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2020-06-03 15:40:56 +08:00
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## 名字
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`Skywalking`(https://github.com/apache/skywalking) 是一个开源的服务跟踪插件。
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服务端目前支持http和grpc两种协议,在apisix中目前只支持http协议
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## 属性
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2020-09-23 08:11:27 +08:00
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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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| sample_ratio | number | 必须 | 1 | [0.00001, 1] | 监听的比例 |
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## 如何启用
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2020-11-09 08:12:52 +08:00
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首先,你需要在 `config.yaml` 里面启用 Skywalking 插件:
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```
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# 加到 config.yaml
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plugins:
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- ... # plugin you need
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- skywalking
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```
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然后重载 APISIX,这样会创建一个后台定时器,向 skywalking 服务器定期上报数据。
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2020-06-03 15:40:56 +08:00
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下面是一个示例,在指定的 route 上开启了 skywalking 插件:
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```shell
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2020-11-28 19:05:14 +08:00
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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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"methods": ["GET"],
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"uris": [
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"/uid/*"
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],
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"plugins": {
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"skywalking": {
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"endpoint": "http://10.110.149.175:12800",
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"sample_ratio": 1,
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"service_name": "APISIX_SERVER"
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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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"10.110.149.175:8089": 1
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}
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}
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}'
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```
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你可以使用浏览器打开 dashboard:`http://127.0.0.1:9080/apisix/dashboard/`,通过 web 界面来完成上面的操作,先增加一个 route:
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![plugin_skywalking](../../images/plugin/skywalking-1.png)
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2020-06-03 15:40:56 +08:00
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然后在 route 页面中添加 skywalking 插件:
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2020-10-29 15:29:52 +08:00
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![plugin_skywalking](../../images/plugin/skywalking-2.png)
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## 如何设置 endpoint
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我们可以通过指定 `conf/config.yaml` 中的配置来指定 endpoint:
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| 名称 | 类型 | 默认值 | 描述 |
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| ------------ | ------ | -------- | ----------------------------------------------------- |
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| service_name | string | "APISIX" | skywalking 上报的 service 名称 |
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|service_instance_name|string| "APISIX Instance Name" | skywalking 上报的 service 实例名 |
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| endpoint | string | "http://127.0.0.1:12800" | Skywalking 的 HTTP endpoint 地址,例如:http://127.0.0.1:12800 |
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配置示例:
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```yaml
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plugin_attr:
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skywalking:
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service_name: APISIX
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service_instance_name: "APISIX Instance Name"
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endpoint_addr: http://127.0.0.1:12800
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```
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2020-06-03 15:40:56 +08:00
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## 测试插件
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### 运行 Skywalking 实例
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2020-10-29 15:29:52 +08:00
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#### 例子
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1. 启动 Skywalking Server:
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- 默认使用 H2 存储,直接启动 skywalking 即可
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```shell
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sudo docker run --name skywalking -d -p 1234:1234 -p 11800:11800 -p 12800:12800 --restart always apache/skywalking-oap-server
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```
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2020-10-29 15:29:52 +08:00
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- 如果使用 Elasticsearch 存储
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1. 则需要先安装 Elasticsearch:
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2020-06-03 15:40:56 +08:00
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2020-10-29 15:29:52 +08:00
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```shell
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sudo docker run -d --name elasticsearch -p 9200:9200 -p 9300:9300 --restart always -e "discovery.type=single-node" elasticsearch:6.7.2
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```
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2020-10-29 15:29:52 +08:00
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2. 安装 ElasticSearch 管理界面 elasticsearch-hq
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```shell
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sudo docker run -d --name elastic-hq -p 5000:5000 --restart always elastichq/elasticsearch-hq
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```
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2020-10-29 15:29:52 +08:00
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3. 启动 skywalking:
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```shell
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sudo docker run --name skywalking -d -p 1234:1234 -p 11800:11800 -p 12800:12800 --restart always --link elasticsearch:elasticsearch -e SW_STORAGE=elasticsearch -e SW_STORAGE_ES_CLUSTER_NODES=elasticsearch:9200 apache/skywalking-oap-server
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```
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2020-10-29 15:29:52 +08:00
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2. Skywalking 管理系统:
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1. 启动管理系统:
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```shell
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sudo docker run --name skywalking-ui -d -p 8080:8080 --link skywalking:skywalking -e SW_OAP_ADDRESS=skywalking:12800 --restart always apache/skywalking-ui
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```
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2020-10-29 15:29:52 +08:00
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2020-06-03 15:40:56 +08:00
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2. 打开管理页面
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在浏览器里面输入 http://10.110.149.175:8080,出现了如下界面,则表示安装成功
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![plugin_skywalking](../../images/plugin/skywalking-3.png)
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2020-06-03 15:40:56 +08:00
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3. 测试示例:
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- 通过访问apisix,访问上游服务
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```bash
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$ curl -v http://10.110.149.192:9080/uid/12
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HTTP/1.1 200 OK
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OK
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...
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```
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- 打开浏览器,访问 Skywalking 的 web 页面:
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```bash
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http://10.110.149.175:8080/
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```
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2020-06-03 15:40:56 +08:00
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可以看到访问拓扑图\
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![plugin_skywalking](../../images/plugin/skywalking-4.png)\
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可以看到服务追踪图\
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![plugin_skywalking](../../images/plugin/skywalking-5.png)
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2020-06-03 15:40:56 +08:00
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## 禁用插件
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2020-11-09 08:12:52 +08:00
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当你想去掉路由上的插件规则的时候,很简单,在插件的配置中把对应的 json 配置删除即可,无须重启服务,即刻生效:
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```shell
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2020-06-08 10:40:18 +08:00
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$ curl http://127.0.0.1:2379/v2/keys/apisix/routes/1 -H 'X-API-KEY: edd1c9f034335f136f87ad84b625c8f1' -X PUT -d value='
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2020-06-03 15:40:56 +08:00
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{
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"methods": ["GET"],
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"uris": [
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"/uid/*"
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],
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"plugins": {
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},
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"upstream": {
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"type": "roundrobin",
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"nodes": {
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"10.110.149.175:8089": 1
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}
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}
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}'
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```
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现在就已经移除了 Skywalking 插件了。其他插件的开启和移除也是同样的方法。
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2020-11-09 08:12:52 +08:00
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如果你想完全禁用 skywalking 插件,比如停掉后台上报数据的定时器,需要在 `config.yaml`
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里把插件注释掉:
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```yaml
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plugins:
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- ... # plugin you need
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#- skywalking
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```
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然后重载 APISIX。
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2020-10-29 15:29:52 +08:00
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## 上游服务是 java 的 SpringBoot 示例代码
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2020-06-03 15:40:56 +08:00
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```java
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package com.lenovo.ai.controller;
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import org.springframework.web.bind.annotation.PathVariable;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RestController;
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import javax.servlet.http.HttpServletRequest;
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/**
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* @author cyxinda
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* @create 2020-05-29 14:02
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* @desc skywalking测试中央控制层
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**/
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@RestController
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public class TestController {
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@RequestMapping("/uid/{count}")
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public String getUidList(@PathVariable("count") String countStr, HttpServletRequest request) {
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System.out.println("counter:::::"+countStr);
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return "OK";
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}
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}
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2020-06-03 15:40:56 +08:00
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```
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2020-10-29 15:29:52 +08:00
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2020-06-03 15:40:56 +08:00
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启动服务的时候,需要配置skywalking agent,
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修改agent/config/agent.config中的配置
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```shell
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agent.service_name=yourservername
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collector.backend_service=10.110.149.175:11800
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```
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2020-10-29 15:29:52 +08:00
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2020-06-03 15:40:56 +08:00
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启动服务脚本:
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```shell
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nohup java -javaagent:/root/skywalking/app/agent/skywalking-agent.jar \
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-jar /root/skywalking/app/app.jar \
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--server.port=8089 \
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2>&1 > /root/skywalking/app/logs/nohup.log &
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```
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