vitess.io/vitess@v0.16.2/go/vt/wrangler/switcher.go (about)

     1  /*
     2  Copyright 2020 The Vitess Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package wrangler
    18  
    19  import (
    20  	"context"
    21  	"time"
    22  
    23  	"vitess.io/vitess/go/vt/vtctl/workflow"
    24  
    25  	topodatapb "vitess.io/vitess/go/vt/proto/topodata"
    26  )
    27  
    28  var _ iswitcher = (*switcher)(nil)
    29  
    30  type switcher struct {
    31  	ts *trafficSwitcher
    32  	wr *Wrangler
    33  }
    34  
    35  func (r *switcher) addParticipatingTablesToKeyspace(ctx context.Context, keyspace, tableSpecs string) error {
    36  	return r.ts.addParticipatingTablesToKeyspace(ctx, keyspace, tableSpecs)
    37  }
    38  
    39  func (r *switcher) deleteRoutingRules(ctx context.Context) error {
    40  	return r.ts.deleteRoutingRules(ctx)
    41  }
    42  
    43  func (r *switcher) deleteShardRoutingRules(ctx context.Context) error {
    44  	return r.ts.deleteShardRoutingRules(ctx)
    45  }
    46  
    47  func (r *switcher) dropSourceDeniedTables(ctx context.Context) error {
    48  	return r.ts.dropSourceDeniedTables(ctx)
    49  }
    50  
    51  func (r *switcher) validateWorkflowHasCompleted(ctx context.Context) error {
    52  	return r.ts.validateWorkflowHasCompleted(ctx)
    53  }
    54  
    55  func (r *switcher) removeSourceTables(ctx context.Context, removalType workflow.TableRemovalType) error {
    56  	return r.ts.removeSourceTables(ctx, removalType)
    57  }
    58  
    59  func (r *switcher) dropSourceShards(ctx context.Context) error {
    60  	return r.ts.dropSourceShards(ctx)
    61  }
    62  
    63  func (r *switcher) switchShardReads(ctx context.Context, cells []string, servedTypes []topodatapb.TabletType, direction workflow.TrafficSwitchDirection) error {
    64  	return r.ts.switchShardReads(ctx, cells, servedTypes, direction)
    65  }
    66  
    67  func (r *switcher) switchTableReads(ctx context.Context, cells []string, servedTypes []topodatapb.TabletType, direction workflow.TrafficSwitchDirection) error {
    68  	return r.ts.switchTableReads(ctx, cells, servedTypes, direction)
    69  }
    70  
    71  func (r *switcher) startReverseVReplication(ctx context.Context) error {
    72  	return r.ts.startReverseVReplication(ctx)
    73  }
    74  
    75  func (r *switcher) createJournals(ctx context.Context, sourceWorkflows []string) error {
    76  	return r.ts.createJournals(ctx, sourceWorkflows)
    77  }
    78  
    79  func (r *switcher) allowTargetWrites(ctx context.Context) error {
    80  	return r.ts.allowTargetWrites(ctx)
    81  }
    82  
    83  func (r *switcher) changeRouting(ctx context.Context) error {
    84  	return r.ts.changeRouting(ctx)
    85  }
    86  
    87  func (r *switcher) streamMigraterfinalize(ctx context.Context, ts *trafficSwitcher, workflows []string) error {
    88  	return workflow.StreamMigratorFinalize(ctx, ts, workflows)
    89  }
    90  
    91  func (r *switcher) createReverseVReplication(ctx context.Context) error {
    92  	return r.ts.createReverseVReplication(ctx)
    93  }
    94  
    95  func (r *switcher) migrateStreams(ctx context.Context, sm *workflow.StreamMigrator) error {
    96  	return sm.MigrateStreams(ctx)
    97  }
    98  
    99  func (r *switcher) waitForCatchup(ctx context.Context, filteredReplicationWaitTime time.Duration) error {
   100  	return r.ts.waitForCatchup(ctx, filteredReplicationWaitTime)
   101  }
   102  
   103  func (r *switcher) stopSourceWrites(ctx context.Context) error {
   104  	return r.ts.stopSourceWrites(ctx)
   105  }
   106  
   107  func (r *switcher) stopStreams(ctx context.Context, sm *workflow.StreamMigrator) ([]string, error) {
   108  	return sm.StopStreams(ctx)
   109  }
   110  
   111  func (r *switcher) cancelMigration(ctx context.Context, sm *workflow.StreamMigrator) {
   112  	r.ts.Logger().Infof("Cancel was requested.")
   113  	r.ts.cancelMigration(ctx, sm)
   114  }
   115  
   116  func (r *switcher) lockKeyspace(ctx context.Context, keyspace, action string) (context.Context, func(*error), error) {
   117  	return r.wr.ts.LockKeyspace(ctx, keyspace, action)
   118  }
   119  
   120  func (r *switcher) freezeTargetVReplication(ctx context.Context) error {
   121  	return r.ts.freezeTargetVReplication(ctx)
   122  }
   123  
   124  func (r *switcher) dropTargetVReplicationStreams(ctx context.Context) error {
   125  	return r.ts.dropTargetVReplicationStreams(ctx)
   126  }
   127  
   128  func (r *switcher) dropSourceReverseVReplicationStreams(ctx context.Context) error {
   129  	return r.ts.dropSourceReverseVReplicationStreams(ctx)
   130  }
   131  
   132  func (r *switcher) removeTargetTables(ctx context.Context) error {
   133  	return r.ts.removeTargetTables(ctx)
   134  }
   135  
   136  func (r *switcher) dropTargetShards(ctx context.Context) error {
   137  	return r.ts.dropTargetShards(ctx)
   138  }
   139  
   140  func (r *switcher) logs() *[]string {
   141  	return nil
   142  }