.NetCore使用skywalking实现实时性能监控-白红宇

.NetCore使用skywalking实现实时性能监控

阅读量：5874 次

发布时间：2019-06-19

本文共 14846 字，大约阅读时间需要 49 分钟。

一、简介

很久之前写了一篇《》关于NetCore性能监控的文章，使用Influxdb+AppMetrics进行项目性能监控，由于技术有限，在正式环境使用一段时间后，莫名的AppMetrics就没办法往influxdb中插入数据了，后来我也在App Metrics作者的github上留言了，并且作者也根据我阐述的情况做了测试，没有复现我的问题，最后这个问题就不了了知了，然后项目性能监控这个事搁置了一段时间，直到2018年参加上海.net线下技术沙龙，在会场首次听到skywalking，那时候skywalking正在做NetCore的支持，会后回到公司便开始关注skywalking，知道skywalking支持NetCore后，第一时间在公司的项目中运用了skywalking。

二、安装环境

要想使用skywalking，首先得安装相关环境。本文以windows为例。

1、安装java sdk（如果不会配置java环境的话，请参考百度百科：）

2、java环境安装完成后，下载Elasticsearch进行安装（本文使用skywalking 6.x版本，6.x版本对应使用ES 6.x版本，请自行下载对应版本）

3、下载完Elasticsearch 后将Elasticsearch解压到安装位置，以我电脑为例，我安装在D:\Program Files

4、修改ES配置，进入ES文件下的：\config，找到elasticsearch.yml，打开后修改如下配置：

1 # ======================== Elasticsearch Configuration ========================= 2 # 3 # NOTE: Elasticsearch comes with reasonable defaults for most settings. 4 #       Before you set out to tweak and tune the configuration, make sure you 5 #       understand what are you trying to accomplish and the consequences. 6 # 7 # The primary way of configuring a node is via this file. This template lists 8 # the most important settings you may want to configure for a production cluster. 9 #10 # Please consult the documentation for further information on configuration options:11 # https://www.elastic.co/guide/en/elasticsearch/reference/index.html12 #13 # ---------------------------------- Cluster -----------------------------------14 #15 # Use a descriptive name for your cluster:16 #17 cluster.name: myskywalking18 #19 # ------------------------------------ Node ------------------------------------20 #21 # Use a descriptive name for the node:22 #23 node.name: node-124 #25 # Add custom attributes to the node:26 #27 #node.attr.rack: r128 #29 # ----------------------------------- Paths ------------------------------------30 #31 # Path to directory where to store the data (separate multiple locations by comma):32 #33 path.data: D:/Program Files/elasticsearch-6.6.2/path/to/data34 #35 # Path to log files:36 #37 path.logs: D:/Program Files/elasticsearch-6.6.2/path/to/logs38 #39 # ----------------------------------- Memory -----------------------------------40 #41 # Lock the memory on startup:42 #43 bootstrap.memory_lock: false44 #45 # Make sure that the heap size is set to about half the memory available46 # on the system and that the owner of the process is allowed to use this47 # limit.48 #49 # Elasticsearch performs poorly when the system is swapping the memory.50 #51 # ---------------------------------- Network -----------------------------------52 #53 # Set the bind address to a specific IP (IPv4 or IPv6):54 #55 network.host: 0.0.0.056 http.port: 920057 http.cors.enabled: true 58 http.cors.allow-origin: "*" 59 http.cors.allow-methods: OPTIONS,HEAD,GET,POST,PUT,DELETE60 http.cors.allow-headers: "X-Requested-With, Content-Type, Content-Length, X-Users"61 62 #63 # For more information, consult the network module documentation.64 #65 # --------------------------------- Discovery ----------------------------------66 #67 # Pass an initial list of hosts to perform discovery when new node is started:68 # The default list of hosts is ["127.0.0.1", "[::1]"]69 #70 #discovery.zen.ping.unicast.hosts: ["host1", "host2"]71 #72 # Prevent the "split brain" by configuring the majority of nodes (total number of master-eligible nodes / 2 + 1):73 #74 #discovery.zen.minimum_master_nodes: 75 #76 # For more information, consult the zen discovery module documentation.77 #78 # ---------------------------------- Gateway -----------------------------------79 #80 # Block initial recovery after a full cluster restart until N nodes are started:81 #82 #gateway.recover_after_nodes: 383 #84 # For more information, consult the gateway module documentation.85 #86 # ---------------------------------- Various -----------------------------------87 #88 # Require explicit names when deleting indices:89 #90 #action.destructive_requires_name: true

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修改好elasticsearch.yml文件后，打开cmd命令，进入到D:\Program Files\elasticsearch-6.6.2\bin，bin文件夹下，输入如下命令： elasticsearch-service.bat install 将ES安装成windows，这样就可以方便系统重启后自动启动

然后将服务启动后即可

5、接下来下载skywalking，

选择版本为：6.0.0-GA 的下载

三、配置和效果

1、在本地电脑中创建一个文件夹（注意：本人亲自躺过的坑，skywalking服务必须放在无空格的文件夹，比如：Program Files这个文件是绝对不能放的，不然服务运行的时候只会一闪而过，连log日志都不会生成，切记！切记！切记！）

我在D盘下创建了一个叫skyworkingService文件，路径如下：D:\skyworkingService

将下好的skywalking解压到该目录下，命名为skywalking-apm-GA，路径如下：D:\skyworkingService\skywalking-apm-GA

接着，打开config文件，找到application.yml文件，修改其配置如下：

1 # Licensed to the Apache Software Foundation (ASF) under one 2 # or more contributor license agreements.  See the NOTICE file 3 # distributed with this work for additional information 4 # regarding copyright ownership.  The ASF licenses this file 5 # to you under the Apache License, Version 2.0 (the 6 # "License"); you may not use this file except in compliance 7 # with the License.  You may obtain a copy of the License at 8 # 9 #     http://www.apache.org/licenses/LICENSE-2.010 #11 # Unless required by applicable law or agreed to in writing, software12 # distributed under the License is distributed on an "AS IS" BASIS,13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.14 # See the License for the specific language governing permissions and15 # limitations under the License.16 17 cluster:18   standalone:19   # Please check your ZooKeeper is 3.5+, However, it is also compatible with ZooKeeper 3.4.x. Replace the ZooKeeper 3.5+20   # library the oap-libs folder with your ZooKeeper 3.4.x library.21 #  zookeeper:22 #    nameSpace: ${SW_NAMESPACE:""}23 #    hostPort: ${SW_CLUSTER_ZK_HOST_PORT:localhost:2181}24 #    #Retry Policy25 #    baseSleepTimeMs: ${SW_CLUSTER_ZK_SLEEP_TIME:1000} # initial amount of time to wait between retries26 #    maxRetries: ${SW_CLUSTER_ZK_MAX_RETRIES:3} # max number of times to retry27 #  kubernetes:28 #    watchTimeoutSeconds: ${SW_CLUSTER_K8S_WATCH_TIMEOUT:60}29 #    namespace: ${SW_CLUSTER_K8S_NAMESPACE:default}30 #    labelSelector: ${SW_CLUSTER_K8S_LABEL:app=collector,release=skywalking}31 #    uidEnvName: ${SW_CLUSTER_K8S_UID:SKYWALKING_COLLECTOR_UID}32 #  consul:33 #    serviceName: ${SW_SERVICE_NAME:"SkyWalking_OAP_Cluster"}34 #     Consul cluster nodes, example: 10.0.0.1:8500,10.0.0.2:8500,10.0.0.3:850035 #    hostPort: ${SW_CLUSTER_CONSUL_HOST_PORT:localhost:8500}36 core:37   default:38     restHost: ${SW_CORE_REST_HOST:0.0.0.0}39     restPort: ${SW_CORE_REST_PORT:12800}40     restContextPath: ${SW_CORE_REST_CONTEXT_PATH:/}41     gRPCHost: ${SW_CORE_GRPC_HOST:0.0.0.0}42     gRPCPort: ${SW_CORE_GRPC_PORT:11800}43     downsampling:44     - Hour45     - Day46     - Month47     # Set a timeout on metric data. After the timeout has expired, the metric data will automatically be deleted.48     recordDataTTL: ${SW_CORE_RECORD_DATA_TTL:90} # Unit is minute49     minuteMetricsDataTTL: ${SW_CORE_MINUTE_METRIC_DATA_TTL:90} # Unit is minute50     hourMetricsDataTTL: ${SW_CORE_HOUR_METRIC_DATA_TTL:36} # Unit is hour51     dayMetricsDataTTL: ${SW_CORE_DAY_METRIC_DATA_TTL:45} # Unit is day52     monthMetricsDataTTL: ${SW_CORE_MONTH_METRIC_DATA_TTL:18} # Unit is month53 storage:54   # h2:55     # driver: ${SW_STORAGE_H2_DRIVER:org.h2.jdbcx.JdbcDataSource}56     # url: ${SW_STORAGE_H2_URL:jdbc:h2:mem:skywalking-oap-db}57     # user: ${SW_STORAGE_H2_USER:sa}58  elasticsearch:59    nameSpace: ${SW_NAMESPACE:"myskywalking"}60    clusterNodes: ${SW_STORAGE_ES_CLUSTER_NODES:localhost:9200}61    indexShardsNumber: ${SW_STORAGE_ES_INDEX_SHARDS_NUMBER:2}62    indexReplicasNumber: ${SW_STORAGE_ES_INDEX_REPLICAS_NUMBER:0}63    # Batch process setting, refer to https://www.elastic.co/guide/en/elasticsearch/client/java-api/5.5/java-docs-bulk-processor.html64    bulkActions: ${SW_STORAGE_ES_BULK_ACTIONS:2000} # Execute the bulk every 2000 requests65    bulkSize: ${SW_STORAGE_ES_BULK_SIZE:20} # flush the bulk every 20mb66    flushInterval: ${SW_STORAGE_ES_FLUSH_INTERVAL:10} # flush the bulk every 10 seconds whatever the number of requests67    concurrentRequests: ${SW_STORAGE_ES_CONCURRENT_REQUESTS:2} # the number of concurrent requests68 receiver-register:69   default:70 receiver-trace:71   default:72     bufferPath: ${SW_RECEIVER_BUFFER_PATH:../trace-buffer/}  # Path to trace buffer files, suggest to use absolute path73     bufferOffsetMaxFileSize: ${SW_RECEIVER_BUFFER_OFFSET_MAX_FILE_SIZE:100} # Unit is MB74     bufferDataMaxFileSize: ${SW_RECEIVER_BUFFER_DATA_MAX_FILE_SIZE:500} # Unit is MB75     bufferFileCleanWhenRestart: ${SW_RECEIVER_BUFFER_FILE_CLEAN_WHEN_RESTART:false}76     sampleRate: ${SW_TRACE_SAMPLE_RATE:10000} # The sample rate precision is 1/10000. 10000 means 100% sample in default.77 receiver-jvm:78   default:79 #service-mesh:80 #  default:81 #    bufferPath: ${SW_SERVICE_MESH_BUFFER_PATH:../mesh-buffer/}  # Path to trace buffer files, suggest to use absolute path82 #    bufferOffsetMaxFileSize: ${SW_SERVICE_MESH_OFFSET_MAX_FILE_SIZE:100} # Unit is MB83 #    bufferDataMaxFileSize: ${SW_SERVICE_MESH_BUFFER_DATA_MAX_FILE_SIZE:500} # Unit is MB84 #    bufferFileCleanWhenRestart: ${SW_SERVICE_MESH_BUFFER_FILE_CLEAN_WHEN_RESTART:false}85 #istio-telemetry:86 #  default:87 #receiver_zipkin:88 #  default:89 #    host: ${SW_RECEIVER_ZIPKIN_HOST:0.0.0.0}90 #    port: ${SW_RECEIVER_ZIPKIN_PORT:9411}91 #    contextPath: ${SW_RECEIVER_ZIPKIN_CONTEXT_PATH:/}92 query:93   graphql:94     path: ${SW_QUERY_GRAPHQL_PATH:/graphql}95 alarm:96   default:97 telemetry:98   none:

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修改完成后，进入到bin文件中，右键单击startup.bat，以管理员权限运行，即可看到如下弹框

弹出这两个框说明服务已经启动了

这个时候访问http://localhost:8080，即可看到如下界面：

默认账号admin，密码admin，登录后看看到想要的监控数据和各服务直接的拓扑图，因为我的服务跑了一段时间，所以下面的界面是有数据的：

2、由于启动skywalking后会弹出两个命令窗口，所以如果运维人员不小心关了窗口的话服务自然就停掉了，所以为了避免这种问题，我们还可以将bin文件夹下的oapService.bat和webappService.bat进行配置，如下：

1 @REM 2 @REM  Licensed to the Apache Software Foundation (ASF) under one or more 3 @REM  contributor license agreements.  See the NOTICE file distributed with 4 @REM  this work for additional information regarding copyright ownership. 5 @REM  The ASF licenses this file to You under the Apache License, Version 2.0 6 @REM  (the "License"); you may not use this file except in compliance with 7 @REM  the License.  You may obtain a copy of the License at 8 @REM 9 @REM      http://www.apache.org/licenses/LICENSE-2.010 @REM11 @REM  Unless required by applicable law or agreed to in writing, software12 @REM  distributed under the License is distributed on an "AS IS" BASIS,13 @REM  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.14 @REM  See the License for the specific language governing permissions and15 @REM  limitations under the License.16 17 @echo off18 19 setlocal20 set OAP_PROCESS_TITLE=Skywalking-Collector21 set OAP_HOME=%~dp0%..22 set OAP_OPTS="-Xms256M -Xmx512M -Doap.logDir=%OAP_HOME%\logs"23 24 set CLASSPATH=%OAP_HOME%\config;.;25 set CLASSPATH=%OAP_HOME%\oap-libs\*;%CLASSPATH%26 27 if defined JAVA_HOME (28  set _EXECJAVA="%JAVA_HOME%\bin\javaw"29 )30 31 if not defined JAVA_HOME (32  echo "JAVA_HOME not set."33  set _EXECJAVA=javaw34 )35 36 start "%OAP_PROCESS_TITLE%" %_EXECJAVA% "%OAP_OPTS%" -cp "%CLASSPATH%" org.apache.skywalking.oap.server.starter.OAPServerStartUp37 endlocal

oapService.bat

1 @REM 2 @REM  Licensed to the Apache Software Foundation (ASF) under one or more 3 @REM  contributor license agreements.  See the NOTICE file distributed with 4 @REM  this work for additional information regarding copyright ownership. 5 @REM  The ASF licenses this file to You under the Apache License, Version 2.0 6 @REM  (the "License"); you may not use this file except in compliance with 7 @REM  the License.  You may obtain a copy of the License at 8 @REM 9 @REM      http://www.apache.org/licenses/LICENSE-2.010 @REM11 @REM  Unless required by applicable law or agreed to in writing, software12 @REM  distributed under the License is distributed on an "AS IS" BASIS,13 @REM  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.14 @REM  See the License for the specific language governing permissions and15 @REM  limitations under the License.16 17 @echo off18 19 setlocal20 set WEBAPP_PROCESS_TITLE=Skywalking-Webapp21 set WEBAPP_HOME=%~dp0%..22 set JARPATH=%WEBAPP_HOME%\webapp23 set WEBAPP_LOG_DIR=%WEBAPP_HOME%\logs24 25 if exist "%WEBAPP_LOG_DIR%" (26     mkdir "%WEBAPP_LOG_DIR%"27 )28 29 set LOG_FILE_LOCATION=%WEBAPP_LOG_DIR%\webapp.log30 31 if defined JAVA_HOME (32  set _EXECJAVA="%JAVA_HOME%\bin\javaw"33 )34 35 if not defined JAVA_HOME (36  echo "JAVA_HOME not set."37  set _EXECJAVA=javaw38 )39 40 start "%WEBAPP_PROCESS_TITLE%" %_EXECJAVA%  -jar %JARPATH%/skywalking-webapp.jar --spring.config.location=%JARPATH%/webapp.yml --logging.file=%LOG_FILE_LOCATION%41 endlocal

webappService.bat

其实只是将文件里的java改成了javaw，这样就可以在后台运行了，保存后再次运行startup.bat文件，这个时候界面上会有个cmd命令界面一闪而过，不要慌，我们打开资源管理器看看，会发现进程中多了两个名为“javaw.exe”的进程

这个时候访问：http://localhost:8080 一样可以看到上面的ui界面！

至此，skywalking的所有环境皆搭建完毕，接下来，在我们项目中添加skywalking的探针，方便skywalking收集我们项目中的数据

四、项目引用skywalking探针

新建一个NetCore的webapi，然后在引用中引用 SkyWalking.AspNetCore（已过期）SkyAPM.Agent.AspNetCore 0.8.0 如图：

项目引用后，在项目中添加环境变量，可以使用skywalking 官网使用说明书中的命令，进入项目文件夹，给项目配置环境变量并运行

（

set ASPNETCORE_HOSTINGSTARTUPASSEMBLIES=SkyAPM.Agent.AspNetCoreset SKYWALKING__SERVICENAME=sample_appdotnet run

）

也可以自己手动给项目添加环境变量，本文以给项目添加环境变量为例：

在项目的Properties下找到launchSettings.json，按上图所示，在environmentVariables节点下分别添加一下环境变量：

"ASPNETCORE_HOSTINGSTARTUPASSEMBLIES": "SkyAPM.Agent.AspNetCore",

"SKYWALKING__SERVICENAME": "sample_app"

添加完环境变量后，打开cmd，进入到项目根目录（比如我项目是在F:\NEW_TMS\OtherProject\V1.0\XiangYu.AreaModules\WebApi.AreaServer 这个目录下，切记一定要进入到项目根目录，不然配置文件就生成到别的地方去了）

运行一下代码安装SkyAPM.Dotnet.CLI：

dotnet tool install -g SkyAPM.DotNet.CLI

然使用skyapm生成配置文件，命令如下：

dotnet skyapm config sample_app 192.168.0.1:11800

其中192.168.0.1:11800是上面我们安装完成的skywalking服务端里配置的，将这个ip改成上面服务器的ip即可

执行完上面的命令后，项目下会生成一个名为skyapm.json的文件，其中的代码如下：

{  "SkyWalking": {    "ServiceName": "sample_app",    "Namespace": "",    "HeaderVersions": [      "sw6"    ],    "Sampling": {      "SamplePer3Secs": -1,      "Percentage": -1.0    },    "Logging": {      "Level": "Information",      "FilePath": "logs\\skyapm-{Date}.log"    },    "Transport": {      "Interval": 3000,      "ProtocolVersion": "v6",      "QueueSize": 30000,      "BatchSize": 3000,      "gRPC": {        "Servers": "192.168.0.1:11800",        "Timeout": 10000,        "ConnectTimeout": 10000,        "ReportTimeout": 600000      }    }  }}

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skyapm.json文件不一定要使用命令生成，也可自己在项目中创建一个名为skyapm.json的文件，然后将上面代码复制进去，修改其ip即可

在vs中右键单击skyapm.json，选择属性——》复制到输出目录——》如果较新则复制