ipld-eth-beacon-indexer/internal/shutdown/shutdown.go
2022-06-03 11:12:54 -04:00

93 lines
3.6 KiB
Go

// VulcanizeDB
// Copyright © 2022 Vulcanize
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package shutdown
import (
"context"
"os"
"time"
"github.com/vulcanize/ipld-ethcl-indexer/pkg/beaconclient"
"github.com/vulcanize/ipld-ethcl-indexer/pkg/database/sql"
"github.com/vulcanize/ipld-ethcl-indexer/pkg/gracefulshutdown"
"github.com/vulcanize/ipld-ethcl-indexer/pkg/loghelper"
)
// Shutdown all the internal services for the application.
func ShutdownServices(ctx context.Context, notifierCh chan os.Signal, waitTime time.Duration, DB sql.Database, BC *beaconclient.BeaconClient, shutdownOperations map[string]gracefulshutdown.Operation) error {
//successCh, errCh := gracefulshutdown.Shutdown(ctx, notifierCh, waitTime, )
successCh, errCh := gracefulshutdown.Shutdown(ctx, notifierCh, waitTime, shutdownOperations)
select {
case <-successCh:
return nil
case err := <-errCh:
return err
}
}
// Wrapper function for shutting down the head tracking process.
func ShutdownHeadTracking(ctx context.Context, notifierCh chan os.Signal, waitTime time.Duration, DB sql.Database, BC *beaconclient.BeaconClient) error {
return ShutdownServices(ctx, notifierCh, waitTime, DB, BC, map[string]gracefulshutdown.Operation{
// Combining DB shutdown with BC because BC needs DB open to cleanly shutdown.
"beaconClient": func(ctx context.Context) error {
defer DB.Close()
err := BC.StopHeadTracking()
if err != nil {
loghelper.LogError(err).Error("Unable to trigger shutdown of head tracking")
}
if BC.KnownGapsProcess != (beaconclient.KnownGapsProcessing{}) {
err = BC.StopKnownGapsProcessing()
if err != nil {
loghelper.LogError(err).Error("Unable to stop processing known gaps")
}
}
return err
},
})
}
// Wrapper function for shutting down the head tracking process.
func ShutdownHistoricProcessing(ctx context.Context, notifierCh chan os.Signal, waitTime time.Duration, DB sql.Database, BC *beaconclient.BeaconClient) error {
return ShutdownServices(ctx, notifierCh, waitTime, DB, BC, map[string]gracefulshutdown.Operation{
// Combining DB shutdown with BC because BC needs DB open to cleanly shutdown.
"beaconClient": func(ctx context.Context) error {
defer DB.Close()
err := BC.StopHistoric()
if err != nil {
loghelper.LogError(err).Error("Unable to stop processing historic")
}
if BC.KnownGapsProcess != (beaconclient.KnownGapsProcessing{}) {
err = BC.StopKnownGapsProcessing()
if err != nil {
loghelper.LogError(err).Error("Unable to stop processing known gaps")
}
}
return err
},
})
}
// Wrapper function for shutting down the application in boot mode.
func ShutdownBoot(ctx context.Context, notifierCh chan os.Signal, waitTime time.Duration, DB sql.Database, BC *beaconclient.BeaconClient) error {
return ShutdownServices(ctx, notifierCh, waitTime, DB, BC, map[string]gracefulshutdown.Operation{
// Combining DB shutdown with BC because BC needs DB open to cleanly shutdown.
"Database": func(ctx context.Context) error {
return DB.Close()
},
})
}