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Andrew Mason
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Sep 27, 2023
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,158 @@ | ||
| /* | ||
| 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 cli | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
|
|
||
| "github.com/spf13/cobra" | ||
|
|
||
| "vitess.io/vitess/go/acl" | ||
| "vitess.io/vitess/go/vt/grpccommon" | ||
| "vitess.io/vitess/go/vt/logutil" | ||
| "vitess.io/vitess/go/vt/servenv" | ||
| "vitess.io/vitess/go/vt/topo" | ||
| "vitess.io/vitess/go/vt/topo/helpers" | ||
| ) | ||
|
|
||
| var ( | ||
| fromImplementation string | ||
| fromServerAddress string | ||
| fromRoot string | ||
| toImplementation string | ||
| toServerAddress string | ||
| toRoot string | ||
| compare bool | ||
| doKeyspaces bool | ||
| doShards bool | ||
| doShardReplications bool | ||
| doTablets bool | ||
| doRoutingRules bool | ||
|
|
||
| Main = &cobra.Command{ | ||
| Use: "topo2topo", | ||
| Short: "topo2topo copies Vitess topology data from one topo server to another.", | ||
| Long: `topo2topo copies Vitess topology data from one topo server to another. | ||
| It can also be used to compare data between two topologies.`, | ||
| Args: cobra.NoArgs, | ||
| PreRunE: servenv.CobraPreRunE, | ||
| RunE: run, | ||
| } | ||
| ) | ||
|
|
||
| func init() { | ||
| servenv.MoveFlagsToCobraCommand(Main) | ||
|
|
||
| Main.Flags().StringVar(&fromImplementation, "from_implementation", fromImplementation, "topology implementation to copy data from") | ||
| Main.Flags().StringVar(&fromServerAddress, "from_server", fromServerAddress, "topology server address to copy data from") | ||
| Main.Flags().StringVar(&fromRoot, "from_root", fromRoot, "topology server root to copy data from") | ||
| Main.Flags().StringVar(&toImplementation, "to_implementation", toImplementation, "topology implementation to copy data to") | ||
| Main.Flags().StringVar(&toServerAddress, "to_server", toServerAddress, "topology server address to copy data to") | ||
| Main.Flags().StringVar(&toRoot, "to_root", toRoot, "topology server root to copy data to") | ||
| Main.Flags().BoolVar(&compare, "compare", compare, "compares data between topologies") | ||
| Main.Flags().BoolVar(&doKeyspaces, "do-keyspaces", doKeyspaces, "copies the keyspace information") | ||
| Main.Flags().BoolVar(&doShards, "do-shards", doShards, "copies the shard information") | ||
| Main.Flags().BoolVar(&doShardReplications, "do-shard-replications", doShardReplications, "copies the shard replication information") | ||
| Main.Flags().BoolVar(&doTablets, "do-tablets", doTablets, "copies the tablet information") | ||
| Main.Flags().BoolVar(&doRoutingRules, "do-routing-rules", doRoutingRules, "copies the routing rules") | ||
|
|
||
| acl.RegisterFlags(Main.Flags()) | ||
| grpccommon.RegisterFlags(Main.Flags()) | ||
| } | ||
|
|
||
| func run(cmd *cobra.Command, args []string) error { | ||
| defer logutil.Flush() | ||
| servenv.Init() | ||
|
|
||
| fromTS, err := topo.OpenServer(fromImplementation, fromServerAddress, fromRoot) | ||
| if err != nil { | ||
| return fmt.Errorf("Cannot open 'from' topo %v: %w", fromImplementation, err) | ||
| } | ||
| toTS, err := topo.OpenServer(toImplementation, toServerAddress, toRoot) | ||
| if err != nil { | ||
| return fmt.Errorf("Cannot open 'to' topo %v: %w", toImplementation, err) | ||
| } | ||
|
|
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| ctx := context.Background() | ||
|
|
||
| if compare { | ||
| return compareTopos(ctx, fromTS, toTS) | ||
| } | ||
|
|
||
| return copyTopos(ctx, fromTS, toTS) | ||
| } | ||
|
|
||
| func copyTopos(ctx context.Context, fromTS, toTS *topo.Server) error { | ||
| if doKeyspaces { | ||
| if err := helpers.CopyKeyspaces(ctx, fromTS, toTS); err != nil { | ||
| return err | ||
| } | ||
| } | ||
| if doShards { | ||
| if err := helpers.CopyShards(ctx, fromTS, toTS); err != nil { | ||
| return err | ||
| } | ||
| } | ||
| if doShardReplications { | ||
| if err := helpers.CopyShardReplications(ctx, fromTS, toTS); err != nil { | ||
| return err | ||
| } | ||
| } | ||
| if doTablets { | ||
| if err := helpers.CopyTablets(ctx, fromTS, toTS); err != nil { | ||
| return err | ||
| } | ||
| } | ||
| if doRoutingRules { | ||
| if err := helpers.CopyRoutingRules(ctx, fromTS, toTS); err != nil { | ||
| return err | ||
| } | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func compareTopos(ctx context.Context, fromTS, toTS *topo.Server) (err error) { | ||
| if doKeyspaces { | ||
| err = helpers.CompareKeyspaces(ctx, fromTS, toTS) | ||
| if err != nil { | ||
| return fmt.Errorf("Compare keyspaces failed: %w", err) | ||
| } | ||
| } | ||
| if doShards { | ||
| err = helpers.CompareShards(ctx, fromTS, toTS) | ||
| if err != nil { | ||
| return fmt.Errorf("Compare shards failed: %w", err) | ||
| } | ||
| } | ||
| if doShardReplications { | ||
| err = helpers.CompareShardReplications(ctx, fromTS, toTS) | ||
| if err != nil { | ||
| return fmt.Errorf("Compare shard replications failed: %w", err) | ||
| } | ||
| } | ||
| if doTablets { | ||
| err = helpers.CompareTablets(ctx, fromTS, toTS) | ||
| if err != nil { | ||
| return fmt.Errorf("Compare tablets failed: %w", err) | ||
| } | ||
| } | ||
|
|
||
| fmt.Println("Topologies are in sync") | ||
| return nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| /* | ||
| 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 main | ||
|
|
||
| import ( | ||
| "github.com/spf13/cobra" | ||
|
|
||
| "vitess.io/vitess/go/cmd/internal/docgen" | ||
| "vitess.io/vitess/go/cmd/topo2topo/cli" | ||
| ) | ||
|
|
||
| func main() { | ||
| var dir string | ||
| cmd := cobra.Command{ | ||
| Use: "docgen [-d <dir>]", | ||
| RunE: func(cmd *cobra.Command, args []string) error { | ||
| return docgen.GenerateMarkdownTree(cli.Main, dir) | ||
| }, | ||
| } | ||
|
|
||
| cmd.Flags().StringVarP(&dir, "dir", "d", "doc", "output directory to write documentation") | ||
| _ = cmd.Execute() | ||
| } |
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