Stratara.ServiceDefaults
4.0.2
Prefix Reserved
See the version list below for details.
dotnet add package Stratara.ServiceDefaults --version 4.0.2
NuGet\Install-Package Stratara.ServiceDefaults -Version 4.0.2
<PackageReference Include="Stratara.ServiceDefaults" Version="4.0.2" />
<PackageVersion Include="Stratara.ServiceDefaults" Version="4.0.2" />
<PackageReference Include="Stratara.ServiceDefaults" />
paket add Stratara.ServiceDefaults --version 4.0.2
#r "nuget: Stratara.ServiceDefaults, 4.0.2"
#:package Stratara.ServiceDefaults@4.0.2
#addin nuget:?package=Stratara.ServiceDefaults&version=4.0.2
#tool nuget:?package=Stratara.ServiceDefaults&version=4.0.2
Stratara.ServiceDefaults
Derived. The behaviour described here is specified under
openspec/specs/. Those specifications are the source; this page explains and illustrates them.
License: MIT.
Cross-host observability defaults for the Stratara stack. Reference from every host (API, worker) to get OpenTelemetry + Serilog wired up with sensible defaults.
What's in the box
| Extension | Purpose |
|---|---|
ConfigureOpenTelemetry |
Logging + metrics + tracing with HTTP, EF Core, RabbitMQ, runtime instrumentation; OTLP exporter wired up automatically when OTEL_EXPORTER_OTLP_ENDPOINT is set. Accepts optional MeterProviderBuilder / TracerProviderBuilder callbacks for host-specific extras. |
ConfigureSerilog |
Structured logging with destructuring attributes, async console sink, OTLP sink (gRPC or HTTP/Protobuf based on OTEL_EXPORTER_OTLP_PROTOCOL), dev-mode log cleanup at {Path.GetTempPath()}/stratara-logs/{service-name}.log — the OS temp directory, so not literally /tmp on Windows or macOS. |
ConfigureSerilogBootstrapLogger |
Sets up Log.Logger as a bootstrap logger before the host is built, so early-startup errors surface to the console. |
Quick start
builder.ConfigureOpenTelemetry();
builder.ConfigureSerilog();
It deletes your development log file on start-up
In the Development environment only, configuring Serilog deletes the current log file before
opening it: %TEMP%/stratara-logs/{OTEL_SERVICE_NAME}.log, where the service name falls back to
Unknown when OTEL_SERVICE_NAME is unset. The intent is a clean file per debugging session rather
than one that grows across dozens of restarts.
Two consequences worth knowing before they cost you an hour:
- A crash you wanted to read is gone the moment you restart to reproduce it. Copy the file before restarting, or point the sink elsewhere for that session.
- Two development services with no
OTEL_SERVICE_NAMEshareUnknown.logand delete each other's. Set the variable per service.
Outside Development nothing is deleted.
Sibling packages
Stratara.EventSourcing.WorkerDefaults— one-stopAddBackendServices/AddXxxWorkerServicescomposites that wire the framework's mediator + outbox + projections + sagas stack.Stratara.ServiceDefaults.AspNetCore— ASP.NET-specific extras:AddDefaultHealthChecks+MapDefaultEndpoints(/health,/alive) and ASP.NET request OTel instrumentation.
Dependencies
Stratara.Shared— diagnostics base (ApplicationDiagnostics.Activity.SourceName).- OpenTelemetry runtime + exporter packages.
- Serilog sinks (Console, File, Async, OpenTelemetry).
Destructurama.Attributedfor destructuring conventions.Microsoft.Extensions.Http.Resilience+Microsoft.Extensions.ServiceDiscovery.
Prerelease dependencies. This package transitively pulls in two prerelease OpenTelemetry instrumentation packages that have no stable release yet:
OpenTelemetry.Instrumentation.EntityFrameworkCore(beta) andRabbitMQ.Client.OpenTelemetry(RC). Both ride the stable OpenTelemetry 1.15.x core. NU5104 is suppressed in this csproj with that justification — consumers inherit the prerelease deps transitively. We will swap to GA as soon as the vendors ship stable.
| Product | Versions Compatible and additional computed target framework versions. |
|---|---|
| .NET | net10.0 is compatible. net10.0-android was computed. net10.0-browser was computed. net10.0-ios was computed. net10.0-maccatalyst was computed. net10.0-macos was computed. net10.0-tvos was computed. net10.0-windows was computed. |
-
net10.0
- Destructurama.Attributed (>= 5.3.0)
- Microsoft.Extensions.Http.Resilience (>= 10.9.0)
- Microsoft.Extensions.ServiceDiscovery (>= 10.9.0)
- OpenTelemetry.Exporter.OpenTelemetryProtocol (>= 1.18.0)
- OpenTelemetry.Extensions.Hosting (>= 1.18.0)
- OpenTelemetry.Instrumentation.EntityFrameworkCore (>= 1.18.0-beta.1)
- OpenTelemetry.Instrumentation.Http (>= 1.18.0)
- OpenTelemetry.Instrumentation.Runtime (>= 1.18.0)
- RabbitMQ.Client.OpenTelemetry (>= 1.0.0-rc.2)
- Serilog.Extensions.Hosting (>= 10.0.0)
- Serilog.Formatting.Compact (>= 3.0.0)
- Serilog.Settings.Configuration (>= 10.0.1)
- Serilog.Sinks.Async (>= 2.1.0)
- Serilog.Sinks.Console (>= 6.1.1)
- Serilog.Sinks.File (>= 7.0.0)
- Serilog.Sinks.OpenTelemetry (>= 4.2.0)
- Stratara.Shared (>= 4.0.2)
NuGet packages (1)
Showing the top 1 NuGet packages that depend on Stratara.ServiceDefaults:
| Package | Downloads |
|---|---|
|
Stratara.ServiceDefaults.AspNetCore
ASP.NET Core extensions on top of Stratara.ServiceDefaults — default health checks, /health and /alive endpoints, and ASP.NET request OpenTelemetry instrumentation. Reference from every API host. |
GitHub repositories
This package is not used by any popular GitHub repositories.
| Version | Downloads | Last Updated |
|---|---|---|
| 4.0.3 | 38 | 9/3/2026 |
| 4.0.2 | 140 | 9/3/2026 |
| 4.0.1 | 69 | 9/2/2026 |
| 4.0.0 | 126 | 8/31/2026 |
| 4.0.0-preview.1 | 48 | 8/31/2026 |
| 3.4.0 | 100 | 8/28/2026 |
| 3.3.0 | 71 | 8/25/2026 |
| 3.2.3 | 76 | 8/22/2026 |
| 3.2.2 | 78 | 8/14/2026 |
| 3.2.1 | 431 | 8/2/2026 |
| 3.2.0 | 74 | 7/18/2026 |
| 3.1.7 | 87 | 7/1/2026 |
| 3.1.6 | 508 | 6/22/2026 |
| 3.1.5 | 87 | 6/22/2026 |
| 3.1.4 | 95 | 6/15/2026 |
| 3.1.3 | 95 | 6/10/2026 |
| 3.1.2 | 99 | 6/5/2026 |
| 3.1.1 | 175 | 6/1/2026 |
| 3.1.0 | 86 | 5/30/2026 |
| 3.0.23 | 88 | 5/28/2026 |
Two operational fixes, both found while a consumer rolled out bus-envelope signing and reasoned
about rebuilding its read models: a projection replay now survives a passing failure, and an
integrity failure says whether the signature was absent or wrong. Additive on every published
surface.
### Added
- **A projection replay retries a failing batch before it gives up.** Each batch — the read from
the event store and the application of its entries — now runs under a new named policy,
`ResilienceNames.ProjectionReplayBatch`: five attempts in all, exponential backoff from one second
with jitter between them, any exception except cancellation. A read-store timeout or a
dropped connection mid-rebuild no longer ends the replay; a failure that persists through every
attempt ends it exactly as before, with the same failure record. A retried batch is applied
again from its first entry in a fresh scope, which relies on the guarantee projections already
give under at-least-once delivery: a second application converges (see *Write handlers that
converge rather than accumulate* in the projection guide). Each failed attempt logs a new
warning, `104_011`. `AddResiliencePipelines` registers six policies rather than five. Nothing
about truncation, ordering, progress, the failure record or the lease changes.
### Changed
- **An integrity failure now says whether the signature was absent or wrong, and the existing
warning and error ids fire only for a signature that is present and does not verify.** An
unsigned envelope — what every not-yet-restarted publisher emits during a `Permissive` roll —
was logged as *"signature mismatch"* under the same id as a key mismatch or tampering, so an
operator could not tell a rolling restart from an attack without correlating host start times.
Four new event ids carry the unsigned case: `105_004` (command, permissive), `111_004` (event
bundle, permissive), `105_105` (command, strict) and `111_105` (event bundle, strict). The
existing `105_003`, `111_003`, `105_104` and `111_104` keep their numbers and their level but
now mean a present signature that did not verify; an alert keyed on one of them goes quiet
during a roll instead of firing for every unsigned message. Strict-mode rejections name the
case in their exception message. `BusEnvelopeIntegrityVerifier.Verify` gains an overload with
`out BusEnvelopeIntegrityFailure` (`None`, `Absent`, `Invalid`); the existing overload and the
`BusEnvelopeIntegrityResult` values are unchanged. An absent signature no longer reaches the
signer, which already answered `false` for it.