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Merged
shlomi-noach merged 3 commits into from
Oct 21, 2021
Merged

OnlineDDL in v12: remove legacy code deprecated in earlier version #8972

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fc24b0a
OnlineDDL in v12: remove legacy code deprecated in earlier version
shlomi-noach Oct 10, 2021
dcb993d
Adding release notes
shlomi-noach Oct 12, 2021
eae51bc
Merge branch 'release-12.0' into v12-deprecate-onlineddl-vexec-backport
shlomi-noach Oct 20, 2021
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8 changes: 7 additions & 1 deletion doc/releasenotes/12_0_0_summary.md
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Original file line number Diff line number Diff line change
Expand Up @@ -26,4 +26,10 @@ zone1-0000000100 sourcekeyspace 0 primary 192.168.0.134:15100 192.168.0.134:1710
zone1-0000000101 sourcekeyspace 0 rdonly 192.168.0.134:15101 192.168.0.134:17101 [] <null>
zone1-0000000102 sourcekeyspace 0 replica 192.168.0.134:15102 192.168.0.134:17102 [] <null>
zone1-0000000103 sourcekeyspace 0 rdonly 192.168.0.134:15103 192.168.0.134:17103 [] <null>
```
```

## Deprecations

The command `vtctl VExec` is deprecated and removed. All Online DDL commands should run through `vtctl OnlineDDL`.

The command `vtctl OnlineDDL revert` is deprecated. Use `REVERT VITESS_MIGRATION '...'` SQL command either via `vtctl ApplySchema` or via `vtgate`.
79 changes: 0 additions & 79 deletions go/vt/vtctl/vtctl.go
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Original file line number Diff line number Diff line change
Expand Up @@ -482,14 +482,6 @@ var commands = []commandGroup{
"Outputs a JSON structure that contains information about the ShardReplication."},
},
},
{
"Workflow", []command{
{"VExec", commandVExec,
"<ks.workflow> <query> --dry-run",
"Runs query on all tablets in workflow. Example: VExec merchant.morders \"update _vt.vreplication set Status='Running'\"",
},
},
},
{
"Workflow", []command{
{"Workflow", commandWorkflow,
Expand Down Expand Up @@ -3017,38 +3009,6 @@ func commandOnlineDDL(ctx context.Context, wr *wrangler.Wrangler, subFlags *flag
}
query = `update _vt.schema_migrations set migration_status='cancel-all'`
}
case "revert":
{
deprecationMessage := `OnlineDDL 'revert' command will be deprecated in version v12. Use "REVERT VITESS_MIGRATION '<uuid>'" SQL command`
log.Warningf(deprecationMessage)

if arg == "" {
return fmt.Errorf("UUID required")
}
uuid = arg
contextUUID, err := schema.CreateUUID()
if err != nil {
return err
}
requestContext := fmt.Sprintf("vtctl:%s", contextUUID)

ddlStrategySetting := schema.NewDDLStrategySetting(schema.DDLStrategyOnline, "")
onlineDDL, err := schema.NewOnlineDDL(keyspace, "", fmt.Sprintf("revert %s", uuid), ddlStrategySetting, requestContext)
if err != nil {
return err
}
conn, err := wr.TopoServer().ConnForCell(ctx, topo.GlobalCell)
if err != nil {
return err
}
err = onlineDDL.WriteTopo(ctx, conn, schema.MigrationRequestsPath())
if err != nil {
return err
}
wr.Logger().Infof("UUID=%+v", onlineDDL.UUID)
wr.Logger().Printf("%s\n", onlineDDL.UUID)
return nil
}
default:
return fmt.Errorf("Unknown OnlineDDL command: %s", command)
}
Expand Down Expand Up @@ -3542,45 +3502,6 @@ func commandHelp(ctx context.Context, wr *wrangler.Wrangler, subFlags *flag.Flag
return nil
}

func commandVExec(ctx context.Context, wr *wrangler.Wrangler, subFlags *flag.FlagSet, args []string) error {
deprecationMessage := `VExec command will be deprecated in version v12. For Online DDL control, use "vtctl OnlineDDL" commands or SQL syntax`
log.Warningf(deprecationMessage)

json := subFlags.Bool("json", false, "Output JSON instead of human-readable table")
dryRun := subFlags.Bool("dry_run", false, "Does a dry run of VExec and only reports the final query and list of tablets on which it will be applied")
if err := subFlags.Parse(args); err != nil {
return err
}
if subFlags.NArg() != 2 {
return fmt.Errorf("usage: VExec --dry-run keyspace.workflow \"<query>\"")
}
keyspace, workflow, err := splitKeyspaceWorkflow(subFlags.Arg(0))
if err != nil {
return err
}
_, err = wr.TopoServer().GetKeyspace(ctx, keyspace)
if err != nil {
wr.Logger().Errorf("keyspace %s not found", keyspace)
}
query := subFlags.Arg(1)

qr, err := wr.VExecResult(ctx, workflow, keyspace, query, *dryRun)
if err != nil {
return err
}
if *dryRun {
return nil
}
if qr == nil {
wr.Logger().Printf("no result returned\n")
}
if *json {
return printJSON(wr.Logger(), qr)
}
printQueryResult(loggerWriter{wr.Logger()}, qr)
return nil
}

func commandWorkflow(ctx context.Context, wr *wrangler.Wrangler, subFlags *flag.FlagSet, args []string) error {
dryRun := subFlags.Bool("dry_run", false, "Does a dry run of Workflow and only reports the final query and list of tablets on which the operation will be applied")
if err := subFlags.Parse(args); err != nil {
Expand Down