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test: Include unit tests for
switcher-dry-run
(vitessio#17403)
Signed-off-by: Noble Mittal <[email protected]>
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/* | ||
Copyright 2024 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. | ||
*/ | ||
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package workflow | ||
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import ( | ||
"context" | ||
"fmt" | ||
"testing" | ||
"time" | ||
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"github.com/stretchr/testify/assert" | ||
"github.com/stretchr/testify/require" | ||
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binlogdatapb "vitess.io/vitess/go/vt/proto/binlogdata" | ||
tabletmanagerdatapb "vitess.io/vitess/go/vt/proto/tabletmanagerdata" | ||
topodatapb "vitess.io/vitess/go/vt/proto/topodata" | ||
) | ||
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func newTrafficSwitcherEnv(t *testing.T, tables []string, sourceKeyspaceName string, sourceShards []string, targetKeyspaceName string, targetShards []string, workflowName string) (*testEnv, *trafficSwitcher) { | ||
ctx := context.Background() | ||
schema := map[string]*tabletmanagerdatapb.SchemaDefinition{} | ||
for _, tableName := range tables { | ||
schema[tableName] = &tabletmanagerdatapb.SchemaDefinition{ | ||
TableDefinitions: []*tabletmanagerdatapb.TableDefinition{ | ||
{ | ||
Name: tableName, | ||
Schema: fmt.Sprintf("CREATE TABLE %s (id BIGINT, name VARCHAR(64), PRIMARY KEY (id))", tableName), | ||
}, | ||
}, | ||
} | ||
} | ||
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sourceKeyspace := &testKeyspace{ | ||
KeyspaceName: sourceKeyspaceName, | ||
ShardNames: sourceShards, | ||
} | ||
targetKeyspace := &testKeyspace{ | ||
KeyspaceName: targetKeyspaceName, | ||
ShardNames: targetShards, | ||
} | ||
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env := newTestEnv(t, ctx, defaultCellName, sourceKeyspace, targetKeyspace) | ||
env.tmc.schema = schema | ||
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ts, _, err := env.ws.getWorkflowState(ctx, targetKeyspaceName, workflowName) | ||
require.NoError(t, err) | ||
return env, ts | ||
} | ||
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func TestDropTargetVReplicationStreams(t *testing.T) { | ||
ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second) | ||
defer cancel() | ||
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env, ts := newTrafficSwitcherEnv(t, []string{"t1"}, "sourceks", []string{"0"}, "targetks", []string{"-80", "80-"}, "wf1") | ||
defer env.close() | ||
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drLog := NewLogRecorder() | ||
dr := switcherDryRun{ | ||
ts: ts, | ||
drLog: drLog, | ||
} | ||
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err := dr.dropTargetVReplicationStreams(ctx) | ||
require.NoError(t, err) | ||
require.Len(t, drLog.logs, 1) | ||
log := drLog.logs[0] | ||
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// Make sure both the target streams are included in the logs | ||
assert.Contains(t, log, "-80") | ||
assert.Contains(t, log, "80-") | ||
} | ||
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func TestStartReverseVReplication(t *testing.T) { | ||
ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second) | ||
defer cancel() | ||
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env, ts := newTrafficSwitcherEnv(t, []string{"t1"}, "sourceks", []string{"-80", "80-"}, "targetks", []string{"0"}, "wf1") | ||
defer env.close() | ||
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drLog := NewLogRecorder() | ||
dr := switcherDryRun{ | ||
ts: ts, | ||
drLog: drLog, | ||
} | ||
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err := dr.startReverseVReplication(ctx) | ||
require.NoError(t, err) | ||
require.Len(t, drLog.logs, 1) | ||
log := drLog.logs[0] | ||
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// Make sure both the source tablets are included in the logs | ||
assert.Contains(t, log, "tablet:100") | ||
assert.Contains(t, log, "tablet:110") | ||
} | ||
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func TestRemoveSourceTables(t *testing.T) { | ||
ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second) | ||
defer cancel() | ||
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env, ts := newTrafficSwitcherEnv(t, []string{"t1"}, "sourceks", []string{"-80", "80-"}, "targetks", []string{"0"}, "wf1") | ||
defer env.close() | ||
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drLog := NewLogRecorder() | ||
dr := switcherDryRun{ | ||
ts: ts, | ||
drLog: drLog, | ||
} | ||
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err := dr.removeSourceTables(ctx, RenameTable) | ||
require.NoError(t, err) | ||
require.Len(t, drLog.logs, 1) | ||
log := drLog.logs[0] | ||
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assert.Contains(t, log, "Renaming") | ||
// Make sure both the source tablets are included in the logs | ||
assert.Contains(t, log, "tablet:100") | ||
assert.Contains(t, log, "tablet:110") | ||
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err = dr.removeSourceTables(ctx, DropTable) | ||
require.NoError(t, err) | ||
require.Len(t, drLog.logs, 2) | ||
log = drLog.logs[1] | ||
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assert.Contains(t, log, "Dropping") | ||
// Make sure both the source tablets are included in the logs | ||
assert.Contains(t, log, "tablet:100") | ||
assert.Contains(t, log, "tablet:110") | ||
} | ||
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func TestDropShards(t *testing.T) { | ||
ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second) | ||
defer cancel() | ||
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env, ts := newTrafficSwitcherEnv(t, []string{"t1"}, "sourceks", []string{"-80", "80-"}, "targetks", []string{"0"}, "wf1") | ||
defer env.close() | ||
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drLog := NewLogRecorder() | ||
dr := switcherDryRun{ | ||
ts: ts, | ||
drLog: drLog, | ||
} | ||
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err := dr.dropSourceShards(ctx) | ||
require.NoError(t, err) | ||
require.Len(t, drLog.logs, 1) | ||
log := drLog.logs[0] | ||
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// Make sure both the source shards are included in the logs | ||
assert.Contains(t, log, "[-80]") | ||
assert.Contains(t, log, "[80-]") | ||
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err = dr.dropTargetShards(ctx) | ||
require.NoError(t, err) | ||
require.Len(t, drLog.logs, 2) | ||
log = drLog.logs[1] | ||
assert.Contains(t, log, "[0]") | ||
} | ||
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func TestDropSourceReverseVReplicationStreams(t *testing.T) { | ||
ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second) | ||
defer cancel() | ||
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env, ts := newTrafficSwitcherEnv(t, []string{"t1"}, "sourceks", []string{"-80", "80-"}, "targetks", []string{"0"}, "wf1") | ||
defer env.close() | ||
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drLog := NewLogRecorder() | ||
dr := switcherDryRun{ | ||
ts: ts, | ||
drLog: drLog, | ||
} | ||
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err := dr.dropSourceReverseVReplicationStreams(ctx) | ||
require.NoError(t, err) | ||
require.Len(t, drLog.logs, 1) | ||
log := drLog.logs[0] | ||
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// Make sure both the source streams are included in the logs | ||
assert.Contains(t, log, "-80") | ||
assert.Contains(t, log, "80-") | ||
assert.Contains(t, log, "wf1_reverse") | ||
} | ||
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func TestDropSourceDeniedTables(t *testing.T) { | ||
ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second) | ||
defer cancel() | ||
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env, ts := newTrafficSwitcherEnv(t, []string{"t1", "t2"}, "sourceks", []string{"-80", "80-"}, "targetks", []string{"0"}, "wf1") | ||
defer env.close() | ||
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drLog := NewLogRecorder() | ||
dr := switcherDryRun{ | ||
ts: ts, | ||
drLog: drLog, | ||
} | ||
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err := dr.dropSourceDeniedTables(ctx) | ||
require.NoError(t, err) | ||
require.Len(t, drLog.logs, 1) | ||
log := drLog.logs[0] | ||
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// Make sure both the source streams are included in the logs | ||
assert.Contains(t, log, "-80") | ||
assert.Contains(t, log, "80-") | ||
// Make sure both the tables are included in the logs | ||
assert.Contains(t, log, "t1") | ||
assert.Contains(t, log, "t2") | ||
} | ||
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func TestDropTargetDeniedTables(t *testing.T) { | ||
ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second) | ||
defer cancel() | ||
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env, ts := newTrafficSwitcherEnv(t, []string{"t1", "t2"}, "sourceks", []string{"0"}, "targetks", []string{"-80", "80-"}, "wf1") | ||
defer env.close() | ||
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drLog := NewLogRecorder() | ||
dr := switcherDryRun{ | ||
ts: ts, | ||
drLog: drLog, | ||
} | ||
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err := dr.dropTargetDeniedTables(ctx) | ||
require.NoError(t, err) | ||
require.Len(t, drLog.logs, 1) | ||
log := drLog.logs[0] | ||
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// Make sure both the target streams are included in the logs | ||
assert.Contains(t, log, "-80") | ||
assert.Contains(t, log, "80-") | ||
// Make sure both the tables are included in the logs | ||
assert.Contains(t, log, "t1") | ||
assert.Contains(t, log, "t2") | ||
} | ||
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func TestRemoveTargetTables(t *testing.T) { | ||
ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second) | ||
defer cancel() | ||
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env, ts := newTrafficSwitcherEnv(t, []string{"t1", "t2"}, "sourceks", []string{"0"}, "targetks", []string{"-80", "80-"}, "wf1") | ||
defer env.close() | ||
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drLog := NewLogRecorder() | ||
dr := switcherDryRun{ | ||
ts: ts, | ||
drLog: drLog, | ||
} | ||
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err := dr.removeTargetTables(ctx) | ||
require.NoError(t, err) | ||
require.Len(t, drLog.logs, 1) | ||
log := drLog.logs[0] | ||
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assert.Contains(t, log, "targetks") | ||
// Make sure both the target streams are included in the logs | ||
assert.Contains(t, log, "-80") | ||
assert.Contains(t, log, "80-") | ||
// Make sure both the tables are included in the logs | ||
assert.Contains(t, log, "t1") | ||
assert.Contains(t, log, "t2") | ||
} | ||
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func TestSwitchKeyspaceReads(t *testing.T) { | ||
ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second) | ||
defer cancel() | ||
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sourceKeyspaceName := "sourceks" | ||
targetKeyspaceName := "targetks" | ||
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env, ts := newTrafficSwitcherEnv(t, []string{"t1", "t2"}, sourceKeyspaceName, []string{"0"}, targetKeyspaceName, []string{"-80", "80-"}, "wf1") | ||
defer env.close() | ||
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drLog := NewLogRecorder() | ||
dr := switcherDryRun{ | ||
ts: ts, | ||
drLog: drLog, | ||
} | ||
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err := dr.switchKeyspaceReads(ctx, []topodatapb.TabletType{topodatapb.TabletType_PRIMARY, topodatapb.TabletType_RDONLY}) | ||
require.NoError(t, err) | ||
require.Len(t, drLog.logs, 1) | ||
log := drLog.logs[0] | ||
assert.Contains(t, log, fmt.Sprintf("keyspace %s to keyspace %s", sourceKeyspaceName, targetKeyspaceName)) | ||
assert.Contains(t, log, "PRIMARY") | ||
assert.Contains(t, log, "RDONLY") | ||
} | ||
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func TestSwitchShardReads(t *testing.T) { | ||
ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second) | ||
defer cancel() | ||
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sourceKeyspaceName := "sourceks" | ||
targetKeyspaceName := "targetks" | ||
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env, ts := newTrafficSwitcherEnv(t, []string{"t1", "t2"}, sourceKeyspaceName, []string{"0"}, targetKeyspaceName, []string{"-80", "80-"}, "wf1") | ||
defer env.close() | ||
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drLog := NewLogRecorder() | ||
dr := switcherDryRun{ | ||
ts: ts, | ||
drLog: drLog, | ||
} | ||
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err := dr.switchShardReads(ctx, nil, []topodatapb.TabletType{topodatapb.TabletType_PRIMARY, topodatapb.TabletType_RDONLY}, DirectionForward) | ||
require.NoError(t, err) | ||
require.Len(t, drLog.logs, 1) | ||
log := drLog.logs[0] | ||
assert.Contains(t, log, fmt.Sprintf("keyspace %s to keyspace %s", sourceKeyspaceName, targetKeyspaceName)) | ||
assert.Contains(t, log, "-80") | ||
assert.Contains(t, log, "80-") | ||
assert.Contains(t, log, "[0]") | ||
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err = dr.switchShardReads(ctx, nil, []topodatapb.TabletType{topodatapb.TabletType_PRIMARY, topodatapb.TabletType_RDONLY}, DirectionBackward) | ||
require.NoError(t, err) | ||
require.Len(t, drLog.logs, 2) | ||
log = drLog.logs[1] | ||
// Ensure the reverse direction is logged. | ||
assert.Contains(t, log, fmt.Sprintf("keyspace %s to keyspace %s", targetKeyspaceName, sourceKeyspaceName)) | ||
assert.Contains(t, log, "-80") | ||
assert.Contains(t, log, "80-") | ||
assert.Contains(t, log, "[0]") | ||
} | ||
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func TestChangeRouting(t *testing.T) { | ||
ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second) | ||
defer cancel() | ||
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sourceKeyspaceName := "sourceks" | ||
targetKeyspaceName := "targetks" | ||
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env, ts := newTrafficSwitcherEnv(t, []string{"t1", "t2"}, sourceKeyspaceName, []string{"0"}, targetKeyspaceName, []string{"-80", "80-"}, "wf1") | ||
defer env.close() | ||
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drLog := NewLogRecorder() | ||
dr := switcherDryRun{ | ||
ts: ts, | ||
drLog: drLog, | ||
} | ||
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ts.migrationType = binlogdatapb.MigrationType_TABLES | ||
err := dr.changeRouting(ctx) | ||
require.NoError(t, err) | ||
assert.Len(t, drLog.logs, 2) | ||
assert.Contains(t, drLog.logs[0], fmt.Sprintf("keyspace %s to keyspace %s", sourceKeyspaceName, targetKeyspaceName)) | ||
assert.Contains(t, drLog.logs[1], "t1") | ||
assert.Contains(t, drLog.logs[1], "t2") | ||
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ts.migrationType = binlogdatapb.MigrationType_SHARDS | ||
err = dr.changeRouting(ctx) | ||
require.NoError(t, err) | ||
assert.Len(t, drLog.logs, 5) | ||
assert.Contains(t, drLog.logs[3], "false") | ||
assert.Contains(t, drLog.logs[3], "shard:0") | ||
assert.Contains(t, drLog.logs[4], "true") | ||
assert.Contains(t, drLog.logs[4], "shard:-80") | ||
assert.Contains(t, drLog.logs[4], "shard:80-") | ||
} | ||
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func TestDRInitializeTargetSequences(t *testing.T) { | ||
ctx := context.Background() | ||
drLog := NewLogRecorder() | ||
dr := &switcherDryRun{ | ||
drLog: drLog, | ||
} | ||
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tables := map[string]*sequenceMetadata{ | ||
"t1": nil, | ||
"t2": nil, | ||
"t3": nil, | ||
} | ||
err := dr.initializeTargetSequences(ctx, tables) | ||
require.NoError(t, err) | ||
assert.Len(t, drLog.logs, 1) | ||
assert.Contains(t, drLog.logs[0], "t1") | ||
assert.Contains(t, drLog.logs[0], "t2") | ||
assert.Contains(t, drLog.logs[0], "t3") | ||
} |