forked from vitessio/vitess
-
Notifications
You must be signed in to change notification settings - Fork 10
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
add support for vtgate traffic mirroring (topo, workflow)
Signed-off-by: Max Englander <max@planetscale.com>
- Loading branch information
1 parent
951f273
commit 79983de
Showing
45 changed files
with
7,431 additions
and
735 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,157 @@ | ||
/* | ||
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. | ||
*/ | ||
|
||
package command | ||
|
||
import ( | ||
"errors" | ||
"fmt" | ||
"os" | ||
"strings" | ||
|
||
"github.com/spf13/cobra" | ||
|
||
"vitess.io/vitess/go/cmd/vtctldclient/cli" | ||
"vitess.io/vitess/go/json2" | ||
|
||
vschemapb "vitess.io/vitess/go/vt/proto/vschema" | ||
vtctldatapb "vitess.io/vitess/go/vt/proto/vtctldata" | ||
) | ||
|
||
var ( | ||
// ApplyMirrorRules makes an ApplyMirrorRules gRPC call to a vtctld. | ||
ApplyMirrorRules = &cobra.Command{ | ||
Use: "ApplyMirrorRules {--rules RULES | --rules-file RULES_FILE} [--cells=c1,c2,...] [--skip-rebuild] [--dry-run]", | ||
Short: "Applies the VSchema mirror rules.", | ||
DisableFlagsInUseLine: true, | ||
Args: cobra.NoArgs, | ||
RunE: commandApplyMirrorRules, | ||
} | ||
// GetMirrorRules makes a GetMirrorRules gRPC call to a vtctld. | ||
GetMirrorRules = &cobra.Command{ | ||
Use: "GetMirrorRules", | ||
Short: "Displays the VSchema mirror rules.", | ||
DisableFlagsInUseLine: true, | ||
Args: cobra.NoArgs, | ||
RunE: commandGetMirrorRules, | ||
} | ||
) | ||
|
||
var applyMirrorRulesOptions = struct { | ||
Rules string | ||
RulesFilePath string | ||
Cells []string | ||
SkipRebuild bool | ||
DryRun bool | ||
}{} | ||
|
||
func commandApplyMirrorRules(cmd *cobra.Command, args []string) error { | ||
if applyMirrorRulesOptions.Rules != "" && applyMirrorRulesOptions.RulesFilePath != "" { | ||
return fmt.Errorf("cannot pass both --rules (=%s) and --rules-file (=%s)", applyMirrorRulesOptions.Rules, applyMirrorRulesOptions.RulesFilePath) | ||
} | ||
|
||
if applyMirrorRulesOptions.Rules == "" && applyMirrorRulesOptions.RulesFilePath == "" { | ||
return errors.New("must pass exactly one of --rules or --rules-file") | ||
} | ||
|
||
cli.FinishedParsing(cmd) | ||
|
||
var rulesBytes []byte | ||
if applyMirrorRulesOptions.RulesFilePath != "" { | ||
data, err := os.ReadFile(applyMirrorRulesOptions.RulesFilePath) | ||
if err != nil { | ||
return err | ||
} | ||
|
||
rulesBytes = data | ||
} else { | ||
rulesBytes = []byte(applyMirrorRulesOptions.Rules) | ||
} | ||
|
||
rr := &vschemapb.MirrorRules{} | ||
if err := json2.Unmarshal(rulesBytes, &rr); err != nil { | ||
return err | ||
} | ||
|
||
// Round-trip so when we display the result it's readable. | ||
data, err := cli.MarshalJSON(rr) | ||
if err != nil { | ||
return err | ||
} | ||
|
||
if applyMirrorRulesOptions.DryRun { | ||
fmt.Printf("[DRY RUN] Would have saved new MirrorRules object:\n%s\n", data) | ||
|
||
if applyMirrorRulesOptions.SkipRebuild { | ||
fmt.Println("[DRY RUN] Would not have rebuilt VSchema graph, would have required operator to run RebuildVSchemaGraph for changes to take effect") | ||
} else { | ||
fmt.Print("[DRY RUN] Would have rebuilt the VSchema graph") | ||
if len(applyMirrorRulesOptions.Cells) == 0 { | ||
fmt.Print(" in all cells\n") | ||
} else { | ||
fmt.Printf(" in the following cells: %s.\n", strings.Join(applyMirrorRulesOptions.Cells, ", ")) | ||
} | ||
} | ||
|
||
return nil | ||
} | ||
|
||
_, err = client.ApplyMirrorRules(commandCtx, &vtctldatapb.ApplyMirrorRulesRequest{ | ||
MirrorRules: rr, | ||
SkipRebuild: applyMirrorRulesOptions.SkipRebuild, | ||
RebuildCells: applyMirrorRulesOptions.Cells, | ||
}) | ||
if err != nil { | ||
return err | ||
} | ||
|
||
fmt.Printf("New MirrorRules object:\n%s\nIf this is not what you expected, check the input data (as JSON parsing will skip unexpected fields).\n", data) | ||
|
||
if applyMirrorRulesOptions.SkipRebuild { | ||
fmt.Println("Skipping rebuild of VSchema graph, will need to run RebuildVSchemaGraph for changes to take effect.") | ||
} | ||
|
||
return nil | ||
} | ||
|
||
func commandGetMirrorRules(cmd *cobra.Command, args []string) error { | ||
cli.FinishedParsing(cmd) | ||
|
||
resp, err := client.GetMirrorRules(commandCtx, &vtctldatapb.GetMirrorRulesRequest{}) | ||
if err != nil { | ||
return err | ||
} | ||
|
||
data, err := cli.MarshalJSON(resp.MirrorRules) | ||
if err != nil { | ||
return err | ||
} | ||
|
||
fmt.Printf("%s\n", data) | ||
|
||
return nil | ||
} | ||
|
||
func init() { | ||
ApplyMirrorRules.Flags().StringVarP(&applyMirrorRulesOptions.Rules, "rules", "r", "", "Mirror rules, specified as a string.") | ||
ApplyMirrorRules.Flags().StringVarP(&applyMirrorRulesOptions.RulesFilePath, "rules-file", "f", "", "Path to a file containing mirror rules specified as JSON.") | ||
ApplyMirrorRules.Flags().StringSliceVarP(&applyMirrorRulesOptions.Cells, "cells", "c", nil, "Limit the VSchema graph rebuilding to the specified cells. Ignored if --skip-rebuild is specified.") | ||
ApplyMirrorRules.Flags().BoolVar(&applyMirrorRulesOptions.SkipRebuild, "skip-rebuild", false, "Skip rebuilding the SrvVSchema objects.") | ||
ApplyMirrorRules.Flags().BoolVarP(&applyMirrorRulesOptions.DryRun, "dry-run", "d", false, "Load the specified mirror rules as a validation step, but do not actually apply the rules to the topo.") | ||
Root.AddCommand(ApplyMirrorRules) | ||
|
||
Root.AddCommand(GetMirrorRules) | ||
} |
89 changes: 89 additions & 0 deletions
89
go/cmd/vtctldclient/command/vreplication/common/mirrortraffic.go
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,89 @@ | ||
/* | ||
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. | ||
*/ | ||
|
||
package common | ||
|
||
import ( | ||
"bytes" | ||
"fmt" | ||
|
||
"github.com/spf13/cobra" | ||
|
||
"vitess.io/vitess/go/cmd/vtctldclient/cli" | ||
|
||
topodatapb "vitess.io/vitess/go/vt/proto/topodata" | ||
vtctldatapb "vitess.io/vitess/go/vt/proto/vtctldata" | ||
) | ||
|
||
func GetMirrorTrafficCommand(opts *SubCommandsOpts) *cobra.Command { | ||
cmd := &cobra.Command{ | ||
Use: "mirrortraffic", | ||
Short: fmt.Sprintf("Mirror traffic for a %s VReplication workflow.", opts.SubCommand), | ||
Example: fmt.Sprintf(`vtctldclient --server localhost:15999 %s --workflow %s --target-keyspace customer mirrortraffic --percent 50.0`, opts.SubCommand, opts.Workflow), | ||
DisableFlagsInUseLine: true, | ||
Aliases: []string{"MirrorTraffic"}, | ||
Args: cobra.NoArgs, | ||
PreRun: func(cmd *cobra.Command, args []string) { | ||
if !cmd.Flags().Lookup("tablet-types").Changed { | ||
// We mirror traffic for all tablet types if none are provided. | ||
MirrorTrafficOptions.TabletTypes = []topodatapb.TabletType{ | ||
topodatapb.TabletType_PRIMARY, | ||
topodatapb.TabletType_REPLICA, | ||
topodatapb.TabletType_RDONLY, | ||
} | ||
} | ||
}, | ||
RunE: commandMirrorTraffic, | ||
} | ||
return cmd | ||
} | ||
|
||
func commandMirrorTraffic(cmd *cobra.Command, args []string) error { | ||
format, err := GetOutputFormat(cmd) | ||
if err != nil { | ||
return err | ||
} | ||
|
||
cli.FinishedParsing(cmd) | ||
|
||
req := &vtctldatapb.WorkflowMirrorTrafficRequest{ | ||
Keyspace: BaseOptions.TargetKeyspace, | ||
Workflow: BaseOptions.Workflow, | ||
TabletTypes: MirrorTrafficOptions.TabletTypes, | ||
Percent: MirrorTrafficOptions.Percent, | ||
} | ||
resp, err := GetClient().WorkflowMirrorTraffic(GetCommandCtx(), req) | ||
if err != nil { | ||
return err | ||
} | ||
|
||
var output []byte | ||
if format == "json" { | ||
output, err = cli.MarshalJSONPretty(resp) | ||
if err != nil { | ||
return err | ||
} | ||
} else { | ||
tout := bytes.Buffer{} | ||
tout.WriteString(resp.Summary + "\n\n") | ||
tout.WriteString(fmt.Sprintf("Start State: %s\n", resp.StartState)) | ||
tout.WriteString(fmt.Sprintf("Current State: %s\n", resp.CurrentState)) | ||
output = tout.Bytes() | ||
} | ||
fmt.Printf("%s\n", output) | ||
|
||
return nil | ||
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.