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188 lines
6.2 KiB
Markdown
188 lines
6.2 KiB
Markdown
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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 obtain a copy of the License at
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# http://www.apache.org/licenses/LICENSE-2.0
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[Chinese](skywalking-cn.md)
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# Summary
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- [**Summary**](#Summary)
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- [**Name**](#Name)
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- [**Attributes**](#Attributes)
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- [**How To Enable**](#How-To-Enable)
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- [**Test Plugin**](#Test-Plugin)
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- [**Run Skywalking Example**](#Run-Skywalking-Example)
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- [**Disable Plugin**](#Disable-Plugin)
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- [**Upstream services(Code With SpringBoot)**](#Upstream-services(Code-With-SpringBoot))
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## Name
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**Skywalking**(https://github.com/apache/skywalking) is an OpenTracing plugin.\
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The skywalking server can supports both http and grpc protocols . The APISIX client only support http protocols.
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## Attributes
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|Name |Requirement |Description|
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|-------|-------|-------|
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|endpoint|required| the http endpoint of Skywalking ，for example: http://127.0.0.1:12800|
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|sample_ratio|required| the ratio of sample, the minimum is 0.00001, the maximum is 1|
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|service_name|optional| service name for skywalking reporter, the default values is **APISIX**|
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## How To Enable
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Here's an example, enable the skywalking plugin on the specified route:
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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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"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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You can open dashboard with a browser:`http://127.0.0.1:9080/apisix/dashboard/`，to complete the above operation through the web interface, first add a route:\
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\
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Then add skywalking plugin:\
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## Test Plugin
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### Run-Skywalking-Example
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#### e.g.
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1. Run Skywalking Server:
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- By default,use H2 storage , start skywalking directly
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```
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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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- Of Course,you can use elasticsearch storage
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1. Firstly, you should install elasticsearch:
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```
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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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2. You can install ElasticSearch management page: elasticsearch-hq(Optional)
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```
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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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3. Run skywalking server:
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```
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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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2. Skywalking WebUI:
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1. Run SkyWalking webUI Server:
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```
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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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2. Open the webUI of skywalking:
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You can open dashboard with a browser: http://10.110.149.175:8080 .it will be a successful install as follow:
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3. Test:
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- Access to upstream services through access apisix:
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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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- Open the webUI of skyWalking:
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```
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http://10.110.149.175:8080/
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```
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You can see the topology of all service\
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\
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You can also see the tracer of all service\
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## Disable Plugin
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When you want to disable the skyWalking plugin, it is very simple,
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you can delete the corresponding json configuration in the plugin configuration,
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no need to restart the service, it will take effect immediately:
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```shell
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$ curl http://127.0.0.1:2379/v2/keys/apisix/routes/1 -X PUT -d value='
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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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The skywalking plugin has been disabled now. It works for other plugins.
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## Upstream services(Code With SpringBoot)
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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 test controller
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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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```
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Configuring the skywalking agent, when starting the service.
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update the file of agent/config/agent.config
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```
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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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Run the script:
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```
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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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