generated from xmidt-org/.go-template
/
module.go
74 lines (67 loc) · 2.05 KB
/
module.go
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// Copyright 2020 Comcast Cable Communications Management, LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package syncerfx
import (
"context"
"errors"
"github.com/rs/zerolog"
"github.com/xmidt-org/ears/internal/pkg/config"
"github.com/xmidt-org/ears/internal/pkg/syncer"
"github.com/xmidt-org/ears/internal/pkg/syncer/redis"
"go.uber.org/fx"
)
var Module = fx.Options(
fx.Provide(
ProvideRouteTableSyncer,
),
)
type TableSyncerIn struct {
fx.In
Config config.Config
Logger *zerolog.Logger
}
type TableSyncerOut struct {
fx.Out
RoutingTableDeltaSyncer syncer.DeltaSyncer
}
func ProvideRouteTableSyncer(in TableSyncerIn) (TableSyncerOut, error) {
out := TableSyncerOut{}
tableSyncerType := in.Config.GetString("ears.synchronization.type")
switch tableSyncerType {
case "inmemory":
out.RoutingTableDeltaSyncer = syncer.NewInMemoryDeltaSyncer(in.Logger, in.Config)
case "redis":
out.RoutingTableDeltaSyncer = redis.NewRedisDeltaSyncer(in.Logger, in.Config)
default:
return out, errors.New("unsupported table syncer type " + tableSyncerType)
}
return out, nil
}
func SetupDeltaSyncer(lifecycle fx.Lifecycle, logger *zerolog.Logger, deltaSyncer syncer.DeltaSyncer) error {
lifecycle.Append(
fx.Hook{
OnStart: func(context.Context) error {
deltaSyncer.StartListeningForSyncRequests()
logger.Info().Msg("Delta Syncer Service Started")
return nil
},
OnStop: func(ctx context.Context) error {
deltaSyncer.StopListeningForSyncRequests()
logger.Info().Msg("Delta Syncer Service Stopped")
return nil
},
},
)
return nil
}