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switcher.go
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switcher.go
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/*
Copyright 2023 The Vitess Authors.
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 workflow
import (
"context"
"time"
topodatapb "vitess.io/vitess/go/vt/proto/topodata"
)
var _ iswitcher = (*switcher)(nil)
type switcher struct {
s *Server
ts *trafficSwitcher
}
func (r *switcher) addParticipatingTablesToKeyspace(ctx context.Context, keyspace, tableSpecs string) error {
return r.ts.addParticipatingTablesToKeyspace(ctx, keyspace, tableSpecs)
}
func (r *switcher) deleteRoutingRules(ctx context.Context) error {
return r.ts.deleteRoutingRules(ctx)
}
func (r *switcher) deleteShardRoutingRules(ctx context.Context) error {
return r.ts.deleteShardRoutingRules(ctx)
}
func (r *switcher) deleteKeyspaceRoutingRules(ctx context.Context) error {
return r.ts.deleteKeyspaceRoutingRules(ctx)
}
func (r *switcher) dropSourceDeniedTables(ctx context.Context) error {
return r.ts.dropSourceDeniedTables(ctx)
}
func (r *switcher) dropTargetDeniedTables(ctx context.Context) error {
return r.ts.dropTargetDeniedTables(ctx)
}
func (r *switcher) validateWorkflowHasCompleted(ctx context.Context) error {
return r.ts.validateWorkflowHasCompleted(ctx)
}
func (r *switcher) removeSourceTables(ctx context.Context, removalType TableRemovalType) error {
return r.ts.removeSourceTables(ctx, removalType)
}
func (r *switcher) dropSourceShards(ctx context.Context) error {
return r.ts.dropSourceShards(ctx)
}
func (r *switcher) switchKeyspaceReads(ctx context.Context, servedTypes []topodatapb.TabletType) error {
if err := changeKeyspaceRouting(ctx, r.ts.TopoServer(), servedTypes,
r.ts.SourceKeyspaceName() /* from */, r.ts.TargetKeyspaceName() /* to */, "SwitchReads"); err != nil {
return err
}
return nil
}
func (r *switcher) switchShardReads(ctx context.Context, cells []string, servedTypes []topodatapb.TabletType, direction TrafficSwitchDirection) error {
return r.ts.switchShardReads(ctx, cells, servedTypes, direction)
}
func (r *switcher) switchTableReads(ctx context.Context, cells []string, servedTypes []topodatapb.TabletType, rebuildSrvVSchema bool, direction TrafficSwitchDirection) error {
return r.ts.switchTableReads(ctx, cells, servedTypes, rebuildSrvVSchema, direction)
}
func (r *switcher) startReverseVReplication(ctx context.Context) error {
return r.ts.startReverseVReplication(ctx)
}
func (r *switcher) createJournals(ctx context.Context, sourceWorkflows []string) error {
return r.ts.createJournals(ctx, sourceWorkflows)
}
func (r *switcher) allowTargetWrites(ctx context.Context) error {
return r.ts.allowTargetWrites(ctx)
}
func (r *switcher) changeRouting(ctx context.Context) error {
return r.ts.changeRouting(ctx)
}
func (r *switcher) streamMigraterfinalize(ctx context.Context, ts *trafficSwitcher, workflows []string) error {
return StreamMigratorFinalize(ctx, ts, workflows)
}
func (r *switcher) createReverseVReplication(ctx context.Context) error {
return r.ts.createReverseVReplication(ctx)
}
func (r *switcher) migrateStreams(ctx context.Context, sm *StreamMigrator) error {
return sm.MigrateStreams(ctx)
}
func (r *switcher) waitForCatchup(ctx context.Context, filteredReplicationWaitTime time.Duration) error {
return r.ts.waitForCatchup(ctx, filteredReplicationWaitTime)
}
func (r *switcher) stopSourceWrites(ctx context.Context) error {
return r.ts.stopSourceWrites(ctx)
}
func (r *switcher) stopStreams(ctx context.Context, sm *StreamMigrator) ([]string, error) {
return sm.StopStreams(ctx)
}
func (r *switcher) cancelMigration(ctx context.Context, sm *StreamMigrator) {
r.ts.cancelMigration(ctx, sm)
}
func (r *switcher) lockKeyspace(ctx context.Context, keyspace, action string) (context.Context, func(*error), error) {
return r.s.ts.LockKeyspace(ctx, keyspace, action)
}
func (r *switcher) freezeTargetVReplication(ctx context.Context) error {
return r.ts.freezeTargetVReplication(ctx)
}
func (r *switcher) dropTargetVReplicationStreams(ctx context.Context) error {
return r.ts.dropTargetVReplicationStreams(ctx)
}
func (r *switcher) dropSourceReverseVReplicationStreams(ctx context.Context) error {
return r.ts.dropSourceReverseVReplicationStreams(ctx)
}
func (r *switcher) removeTargetTables(ctx context.Context) error {
return r.ts.removeTargetTables(ctx)
}
func (r *switcher) dropTargetShards(ctx context.Context) error {
return r.ts.dropTargetShards(ctx)
}
func (r *switcher) logs() *[]string {
return nil
}
func (r *switcher) resetSequences(ctx context.Context) error {
return r.ts.resetSequences(ctx)
}
func (r *switcher) initializeTargetSequences(ctx context.Context, sequencesByBackingTable map[string]*sequenceMetadata) error {
return r.ts.initializeTargetSequences(ctx, sequencesByBackingTable)
}