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webhooker/cmd/webhooker/main.go
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Add per-webhook event retention reaper (closes #63) (#78)
Enforces each webhook's `RetentionDays` so per-webhook SQLite files no longer grow without bound.

## Reaper

New `RetentionReaper` in `internal/database/retention.go`. A background ticker runs each sweep: it lists all webhooks from the main DB and, for each webhook with a positive `RetentionDays`, opens its per-webhook DB via `WebhookDBManager.GetDB` and deletes every `Event` (and its dependent `Delivery` and `DeliveryResult` rows) whose `CreatedAt` is older than `RetentionDays` days.

- Deletions run in foreign-key-safe order: delivery results, then deliveries, then events.
- Deletes are unscoped (hard deletes) so rows are physically removed and disk is reclaimed, rather than GORM soft-deleting them.
- `RetentionDays <= 0` means retain forever; those webhooks are skipped.
- Webhooks whose per-webhook DB does not yet exist are skipped.

## Config

`internal/config/config.go` gains `RetentionSweepInterval` (env `RETENTION_SWEEP_INTERVAL`, parsed as a Go duration, default `1h`) via a new `envDuration` helper, following the existing env-helper conventions.

## Wiring

`cmd/webhooker/main.go` registers `database.NewRetentionReaper` as an fx provider and forces its construction in `fx.Invoke`. The reaper starts its sweep loop on an fx `OnStart` hook and stops cleanly on `OnStop` via context cancellation, matching the existing lifecycle components.

## Test

`internal/database/retention_test.go` seeds an old event chain (event + delivery + result, 40 days old) and a recent one (1 day old) in a real per-webhook DB and asserts a single sweep removes only the expired chain while keeping the recent one. A second test forces a non-positive `RetentionDays` and asserts an ancient event is retained.

Note: the `Webhook.RetentionDays` column carries `gorm:"default:30"`, so a `0` passed to a GORM `Create` is replaced by the default; the test forces the value with an explicit column update to exercise the retain-forever path. No model changes were made.

Validated with `docker build .` (fmt-check, lint, test, build) exit 0.

Closes #63

Co-authored-by: sneak <sneak@sneak.berlin>
Reviewed-on: #78
Co-authored-by: clawbot <clawbot@noreply.example.org>
Co-committed-by: clawbot <clawbot@noreply.example.org>
2026-08-07 16:15:13 +02:00

58 lines
1.3 KiB
Go

// Package main is the entry point for the webhooker application.
package main
import (
"go.uber.org/fx"
"sneak.berlin/go/webhooker/internal/config"
"sneak.berlin/go/webhooker/internal/database"
"sneak.berlin/go/webhooker/internal/delivery"
"sneak.berlin/go/webhooker/internal/globals"
"sneak.berlin/go/webhooker/internal/handlers"
"sneak.berlin/go/webhooker/internal/healthcheck"
"sneak.berlin/go/webhooker/internal/logger"
"sneak.berlin/go/webhooker/internal/middleware"
"sneak.berlin/go/webhooker/internal/server"
"sneak.berlin/go/webhooker/internal/session"
)
// Build-time variables set via -ldflags.
//
//nolint:gochecknoglobals // Build-time variables injected by the linker.
var (
version = "dev"
appname = "webhooker"
)
func main() {
globals.Appname = appname
globals.Version = version
fx.New(
fx.Provide(
globals.New,
logger.New,
config.New,
database.New,
database.NewWebhookDBManager,
database.NewRetentionReaper,
healthcheck.New,
session.New,
handlers.New,
middleware.New,
delivery.New,
// Wire *delivery.Engine as delivery.Notifier so the
// webhook handler can notify the engine of new deliveries.
func(e *delivery.Engine) delivery.Notifier { return e },
server.New,
),
fx.Invoke(
func(
*server.Server,
*delivery.Engine,
*database.RetentionReaper,
) {
},
),
).Run()
}