我使用Serilog和ElasticSearch Sink与AutoRegisterTemplate = true
将以下内容存储在ElasticSearch
中
{
"@timestamp": "2016-08-17T08:57:37.3487446+02:00",
"level": "Information",
"messageTemplate": "User login {UserId}",
"message": "User login ...,
"fields": {
"UserId": "...",
"ProcessId": 15568,
"ThreadId": 14,
"MachineName": "...",
"EnvironmentUserName": "...",
"HttpRequestId": "...",
"HttpRequestClientHostIP": "::1",
"HttpRequestType": "POST",
"Version": "1.0.0.0"
}
}

我可以使用DynamicResponse
查询索引 var searchResponse = client.Search<DynamicResponse>(s => s
.Index("logstash-*")
.AllTypes()
.Size(50)
.Query(q => q.Bool(b => b.Must(bs => bs.Term(p => p.Field("fields.UserId.raw").Value("..."))))
)
);
但我想为结果使用强类型类。
我尝试过以下课程。
public class LogResponse
{
public string Message { get; set; }
[Date(Name = "@timestamp")]
public DateTime Timestamp { get; set; }
public LogResponseFields Fields { get; set; }
public class LogResponseFields
{
public Guid UserId { get; set; }
}
}
但是没有设置时间戳,它默认为DateTime.Min,Message和UserId都被正确映射。
如何映射@timestamp字段?
答案 0 :(得分:0)
尝试DateTimeOffset
,它似乎是带有嵌入式时区信息的时间戳。 (具体为+02:00
)
答案 1 :(得分:0)
时间戳字段的映射正常工作;这里有一个完整的例子来演示
subset(as.data.frame(table(df)), Freq !=0)
此输出
void Main()
{
var pool = new SingleNodeConnectionPool(new Uri("http://localhost:9200"));
var defaultIndex = "logstash-" + DateTime.UtcNow.ToString("yyyy-MM-dd");
var connectionSettings = new ConnectionSettings(pool)
.DefaultIndex(defaultIndex)
.InferMappingFor<LogResponse>(m => m
.TypeName("log")
);
var client = new ElasticClient(connectionSettings);
// delete the index if it exists. Useful for demo purposes
if (client.IndexExists(defaultIndex).Exists)
{
client.DeleteIndex(defaultIndex);
}
// use the lowlevel client to send the exact json as
// it would be sent from the source
var createResponse = client.LowLevel.Index<string>(
defaultIndex,
"log",
@"{
""@timestamp"": ""2016-08-17T08:57:37.3487446+02:00"",
""level"": ""Information"",
""messageTemplate"": ""User login {UserId}"",
""message"": ""User login .."",
""fields"": {
""UserId"": ""29a35806-15d2-4eed-a3bf-707760e426b8"",
""ProcessId"": 15568,
""ThreadId"": 14,
""MachineName"": ""..."",
""EnvironmentUserName"": ""..."",
""HttpRequestId"": ""..."",
""HttpRequestClientHostIP"": ""::1"",
""HttpRequestType"": ""POST"",
""Version"": ""1.0.0.0""
}
}");
if (!createResponse.SuccessOrKnownError)
{
Console.WriteLine("Error indexing document");
}
// Refresh the index after indexing. Useful for demo purposes.
client.Refresh(defaultIndex);
var searchResponse = client.Search<LogResponse>(s => s
.AllTypes()
.Size(50)
.Query(q => q
.MatchAll()
)
);
foreach (var document in searchResponse.Documents)
{
Console.WriteLine(document.Timestamp);
}
}
public class LogResponse
{
public string Message { get; set; }
[Date(Name = "@timestamp")]
public DateTime Timestamp { get; set; }
public LogResponseFields Fields { get; set; }
public class LogResponseFields
{
public Guid UserId { get; set; }
}
}
对我来说(它已被反序列化到我的本地17/08/2016 4:57:37 PM
)。
答案 2 :(得分:0)
感谢您的投入。
当我将示例发布到SO时,问题得到解决。
我的真实代码是:
public class LogResponse : DynamicResponse
通过删除DynamicResponse inheritence
public class LogResponse
每件事都有效。