A Serilog sink that writes events as documents to MongoDB.
Package - Serilog.Sinks.MongoDB | Platforms - .NET 4.7.2, .NET Standard 2.0,, .NET Standard 2.1
- Output structured MongoDB Bson logs by switching to the .MongoDBBson() extensions. Existing the .MongoDB() extensions will continue to work converting logs to Json and then to Bson.
- Rolling Log Collection Naming (Thanks to Revazashvili for the PR!). MongoDBBson sink only.
- Expire TTL support. MongoDBBson sink only.
In the examples below, the sink is writing to the database logs with structured Bson. The default collection name is log, but a custom collection can be supplied with the optional CollectionName parameter. The database and collection will be created if they do not exist.
// use Bson structured logs
var log = new LoggerConfiguration()
.WriteTo.MongoDBBson("mongodb://mymongodb/logs")
.CreateLogger();
// capped collection using Bson structured logs
var log = new LoggerConfiguration()
.WriteTo.MongoDBBson("mongodb://mymongodb/logs", cfg =>
{
// optional configuration options:
cfg.SetCollectionName("log");
cfg.SetBatchPeriod(TimeSpan.FromSeconds(1));
// create capped collection that is max 100mb
cfg.SetCreateCappedCollection(100);
})
.CreateLogger();
// create sink instance with custom mongodb settings.
var log = new LoggerConfiguration()
.WriteTo.MongoDBBson(cfg =>
{
// custom MongoDb configuration
var mongoDbSettings = new MongoClientSettings
{
UseTls = true,
AllowInsecureTls = true,
Credential = MongoCredential.CreateCredential("databaseName", "username", "password"),
Server = new MongoServerAddress("127.0.0.1")
};
var mongoDbInstance = new MongoClient(mongoDbSettings).GetDatabase("serilog");
// sink will use the IMongoDatabase instance provided
cfg.SetMongoDatabase(mongoDbInstance);
cfg.SetRollingInternal(RollingInterval.Month);
})
.CreateLogger();Keys and values are not case-sensitive. This is an example of configuring the MongoDB sink arguments from Appsettings.json:
{
"Serilog": {
"MinimumLevel": {
"Default": "Information",
"Override": {
"Microsoft": "Error",
"System": "Warning"
}
},
"WriteTo": [
{
"Name": "MongoDBBson",
"Args": {
"databaseUrl": "mongodb://username:password@ip:port/dbName?authSource=admin",
"collectionName": "logs",
"cappedMaxSizeMb": "1024",
"cappedMaxDocuments": "50000",
"rollingInterval": "Month"
}
}
]
}
}
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