A pointless wrapper to set up Serilog.Sinks.Grafana.Loki
with optimal settings in few lines.
Startup.cs
or Program.cs
(.NET 6)
using Serilog.Sinks.Grafana.Loki;
.UseSerilog((hostingContext, logger) =>
{
logger.WriteTo.GrafanaLokiCommonSettings(hostingContext.Configuration, hostingContext.Environment);
})
appsettings.json
{
"Serilog": {
"Using": [ "Serilog.Sinks.Console" ],
"MinimumLevel": "Verbose",
"WriteTo": [
{ "Name": "Console" }
],
"Enrich": [ "FromLogContext", "WithMachineName" ]
},
"LokiConfig": {
"Url": "https://my.grafana.loki.server",
"Credentials": {
"Login": "username",
"Password": "password"
}
}
}
Example log
_logger.LogInformation("This is a test {time}", DateTimeOffset.Now);
and you will see this in Grafana
[00:17:39 INF] This is a test "2022-06-05T00:17:39.5481985+08:00"
time="06/05/2022 00:17:39 +08:00" SourceContext="WorkerService1.Worker"
Log labels:
app = WorkerService1
env = Development
host = YOUR_HOST_NAME
level = info
Detected fields:
SourceContext = "WorkerService1.Worker"
time = "06/05/2022 00:17:39 +08:00"
ts = ...
tsNs = ...
appsettings.json
{
"LokiConfig": {
"Url": "",
"Credentials": {
"Login": "",
"Password": ""
},
"Labels": {
"some_key1": "some_value1",
"some_key2": "some_value2"
}
}
}
LokiConfig__Labels__some_key1=some_value1
LokiConfig__Labels__some_key2=some_value2
or you can add service
label in code level in Startup.cs
or Program.cs
using Serilog.Sinks.Grafana.Loki;
.UseSerilog((hostingContext, logger) =>
{
logger.WriteTo.GrafanaLokiCommonSettings(hostingContext.Configuration, hostingContext.Environment, "my service name");
})
See LokiConfig.cs
{
"LokiConfig": {
"Url": "",
"Credentials": {
"Login": "",
"Password": ""
},
"Labels": {
},
"RestrictedToMinimumLevel": "Verbose",
"BatchPostingLimit": 1000,
"QueueLimit": null,
"Period": null
}
}
LokiConfig__Url=
LokiConfig__Credentials__Login=
LokiConfig__Credentials__Password=
LokiConfig__RestrictedToMinimumLevel=Verbose
LokiConfig__BatchPostingLimit=1000
LokiConfig__QueueLimit=null
LokiConfig__Period=null
MIT