Zero.Logging.Elasticsearch
1.0.0-alpha3-20180228
See the version list below for details.
dotnet add package Zero.Logging.Elasticsearch --version 1.0.0-alpha3-20180228
NuGet\Install-Package Zero.Logging.Elasticsearch -Version 1.0.0-alpha3-20180228
<PackageReference Include="Zero.Logging.Elasticsearch" Version="1.0.0-alpha3-20180228" />
paket add Zero.Logging.Elasticsearch --version 1.0.0-alpha3-20180228
#r "nuget: Zero.Logging.Elasticsearch, 1.0.0-alpha3-20180228"
// Install Zero.Logging.Elasticsearch as a Cake Addin
#addin nuget:?package=Zero.Logging.Elasticsearch&version=1.0.0-alpha3-20180228&prerelease
// Install Zero.Logging.Elasticsearch as a Cake Tool
#tool nuget:?package=Zero.Logging.Elasticsearch&version=1.0.0-alpha3-20180228&prerelease
Logging in Elasticsearch with Kibana
使用Docker部署Elasticsearch和Kibana
ELKstack是Elasticsearch、Logstash、Kibana三个开源软件的组合,是当今最为流行的统一日志分析平台。对于它们的介绍,网上非常之多,这里就不再多说。
在本文中只使用了Elasticsearch
和Kibana
,前者是分布式搜索系统,后者是一个可视化平台,使用docker来部署非常简单:
部署Elasticsearch
如下,绑定端口9200
,并将容器命名为elasticsearch
:
docker run --name=elasticsearch -d -p 9200:9200 -e "http.host=0.0.0.0" -e "transport.host=127.0.0.1" docker.elastic.co/elasticsearch/elasticsearch:6.2.2
然后在浏览器中打开 http://localhost:9200/,输出如下:
{
"name": "qFQvLqr",
"cluster_name": "docker-cluster",
"cluster_uuid": "bdc5YhZlQHu0mCN7acNKBw",
"version": {
"number": "6.2.2",
"build_hash": "10b1edd",
"build_date": "2018-02-16T21:01:30.685723Z",
"build_snapshot": false,
"lucene_version": "7.2.1",
"minimum_wire_compatibility_version": "5.6.0",
"minimum_index_compatibility_version": "5.0.0"
},
"tagline": "You Know, for Search"
}
部署Kibana
Kibana的部署依赖于Elasticsearch:
docker run --name=kibana --link=elasticsearch -d -p 5601:5601 docker.elastic.co/kibana/kibana:6.2.2
主要注意的是,在这里使用了--link=elasticsearch
来链接到elasticsearch容器,如果要使用外部的elasticsearch服务,可以使用-e "elasticsearch.url=http://changeme:9200"
来指定。
然后在浏览器中打开 http://localhost:5601/:
如上,部署成功,不过还没有任何数据。
使用docker-compose部署
当需要部署多个相关的服务时,更加推荐使用docker-compose来部署:
首先,我们创建一个docker-compose.yml
文件:
version: '3'
services:
elasticsearch:
image: docker.elastic.co/elasticsearch/elasticsearch:${TAG}
container_name: elasticsearch
environment:
- http.host=0.0.0.0
- transport.host=127.0.0.1
- ELASTICSEARCH_PASSWORD=${ELASTIC_PASSWORD}
ports:
- 9200:9200
networks:
- stack
kibana:
image: docker.elastic.co/kibana/kibana:${TAG}
container_name: kibana
environment:
- ELASTICSEARCH_USERNAME=kibana
- ELASTICSEARCH_PASSWORD=${ELASTIC_PASSWORD}
ports:
- 5601:5601
networks:
- stack
depends_on:
- elasticsearch
networks:
stack:
driver: bridge
如上,我们定义了TAG
和ELASTIC_PASSWORD
两个环境变量,方便在部署时候灵活的指定版本号和密码。
为方便测试部署,我们可以定义一个默认的环境变量文件.env
:
TAG=6.2.2
ELASTIC_PASSWORD=Qwer1234
然后,直接运行如下命令即可:
docker-compose up
接下来,将日志写入到Elasticsearch。
记录日志到Elasticsearch
我们创建一个 ASP.NET Core WebApi 项目,添加如下Package:
dotnet add package Zero.Logging.Elasticsearch --version 1.0.0-alpha3-20180228
添加ElasticsearchProvider
然后在Program.cs
文件中使用AddElasticsearch
扩展方法为日志系统添加ElasticsearchProvider
:
public static IWebHost BuildWebHost(string[] args) =>
WebHost.CreateDefaultBuilder(args)
.ConfigureLogging((hostingContext, logging) =>
{
logging.AddElasticsearch();
})
.UseStartup<Startup>()
.Build();
记录日志
对于日志的记录则不需要任何的修改:
public class ValuesController : Controller
{
private readonly ILogger _logger;
public ValuesController(ILogger<ValuesController> logger)
{
_logger = logger;
}
[HttpGet]
public void Get()
{
_logger.LogTrace("Log Trace.");
_logger.LogInformation("Log Information.");
_logger.LogDebug("Log Debug.");
try
{
throw new Exception("Boom");
}
catch (Exception ex)
{
_logger.LogCritical(1, ex, "Unexpected critical error starting application");
_logger.LogError(1, ex, "Unexpected error");
_logger.LogWarning(1, ex, "Unexpected warning");
}
}
}
在Kibana查看
刷新浏览器,显示如下:
在Index pattern中输入logstash-*
,点击下一步:
如上,选择timestamp
,创建索引,最终显示如下:
配置
如上一行代码,零配置完成Elasticsearch的写入,默认使用的Elasticsearch地址为http://localhost:9200
,如果我们需要额外的配置也很简单,有如下两种方式:
使用配置文件进行配置
在appsettings.json
中添加如下配置:
{
"Logging": {
"IncludeScopes": false,
"Console": {
"LogLevel": {
"Default": "Warning"
}
},
"Elasticsearch": {
"LogLevel": {
"Default": "Information"
},
"ElasticsearchUrl": "http://changeme:9200",
"AutoRegisterTemplate": true
}
}
}
使用代码进行配置
WebHost.CreateDefaultBuilder(args)
.ConfigureLogging((hostingContext, logging) =>
{
logging.AddFile().AddElasticsearch(o =>
{
o.PipelineName = "http://changeme:9200";
o.AutoRegisterTemplate = true;
});
})
需要注意,如果使用代码的方式进行配置,则配置文件中的配置不再生效。
更多的配置信息参见 EsLoggerOptions。
Product | Versions Compatible and additional computed target framework versions. |
---|---|
.NET | net5.0 was computed. net5.0-windows was computed. net6.0 was computed. net6.0-android was computed. net6.0-ios was computed. net6.0-maccatalyst was computed. net6.0-macos was computed. net6.0-tvos was computed. net6.0-windows was computed. net7.0 was computed. net7.0-android was computed. net7.0-ios was computed. net7.0-maccatalyst was computed. net7.0-macos was computed. net7.0-tvos was computed. net7.0-windows was computed. net8.0 was computed. net8.0-android was computed. net8.0-browser was computed. net8.0-ios was computed. net8.0-maccatalyst was computed. net8.0-macos was computed. net8.0-tvos was computed. net8.0-windows was computed. |
.NET Core | netcoreapp2.0 was computed. netcoreapp2.1 was computed. netcoreapp2.2 was computed. netcoreapp3.0 was computed. netcoreapp3.1 was computed. |
.NET Standard | netstandard2.0 is compatible. netstandard2.1 was computed. |
.NET Framework | net461 was computed. net462 was computed. net463 was computed. net47 was computed. net471 was computed. net472 was computed. net48 was computed. net481 was computed. |
MonoAndroid | monoandroid was computed. |
MonoMac | monomac was computed. |
MonoTouch | monotouch was computed. |
Tizen | tizen40 was computed. tizen60 was computed. |
Xamarin.iOS | xamarinios was computed. |
Xamarin.Mac | xamarinmac was computed. |
Xamarin.TVOS | xamarintvos was computed. |
Xamarin.WatchOS | xamarinwatchos was computed. |
-
.NETStandard 2.0
- Elasticsearch.Net (>= 6.0.1)
- Microsoft.Extensions.Logging.Configuration (>= 2.1.0-preview1-final)
- Newtonsoft.Json (>= 11.0.1)
- Zero.Logging.Commom (>= 1.0.0-alpha3-20180228)
NuGet packages (1)
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