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feat(alerting): Persist triggered alerts across application restart (#764)

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* feat(alerting): Persist triggered alerts across application restart

Fixes #679

* test(alerting): Add numerous tests related to alerts
This commit is contained in:
TwiN
2024-05-15 21:29:45 -04:00
committed by GitHub
parent 9d151fcdb4
commit f2c5f5911c
13 changed files with 822 additions and 72 deletions
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32
storage/store/memory/memory.go
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@ -5,6 +5,7 @@ import (
"sync"
"time"
"github.com/TwiN/gatus/v5/alerting/alert"
"github.com/TwiN/gatus/v5/config/endpoint"
"github.com/TwiN/gatus/v5/storage/store/common"
"github.com/TwiN/gatus/v5/storage/store/common/paging"
@ -174,6 +175,37 @@ func (s *Store) DeleteAllEndpointStatusesNotInKeys(keys []string) int {
return s.cache.DeleteAll(keysToDelete)
}
// GetTriggeredEndpointAlert returns whether the triggered alert for the specified endpoint as well as the necessary information to resolve it
//
// Always returns that the alert does not exist for the in-memory store since it does not support persistence across restarts
func (s *Store) GetTriggeredEndpointAlert(ep *endpoint.Endpoint, alert *alert.Alert) (exists bool, resolveKey string, numberOfSuccessesInARow int, err error) {
return false, "", 0, nil
}
// UpsertTriggeredEndpointAlert inserts/updates a triggered alert for an endpoint
// Used for persistence of triggered alerts across application restarts
//
// Does nothing for the in-memory store since it does not support persistence across restarts
func (s *Store) UpsertTriggeredEndpointAlert(ep *endpoint.Endpoint, triggeredAlert *alert.Alert) error {
return nil
}
// DeleteTriggeredEndpointAlert deletes a triggered alert for an endpoint
//
// Does nothing for the in-memory store since it does not support persistence across restarts
func (s *Store) DeleteTriggeredEndpointAlert(ep *endpoint.Endpoint, triggeredAlert *alert.Alert) error {
return nil
}
// DeleteAllTriggeredAlertsNotInChecksumsByEndpoint removes all triggered alerts owned by an endpoint whose alert
// configurations are not provided in the checksums list.
// This prevents triggered alerts that have been removed or modified from lingering in the database.
//
// Does nothing for the in-memory store since it does not support persistence across restarts
func (s *Store) DeleteAllTriggeredAlertsNotInChecksumsByEndpoint(ep *endpoint.Endpoint, checksums []string) int {
return 0
}
// Clear deletes everything from the store
func (s *Store) Clear() {
s.cache.Clear()