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cmd: add consumer and filter package (#855)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,113 @@ | ||
| // Copyright 2019 PingCAP, Inc. | ||
| // | ||
| // 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, | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package main | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "strings" | ||
|
|
||
| timodel "github.com/pingcap/tidb/pkg/meta/model" | ||
| "github.com/pingcap/tiflow/cdc/model" | ||
| "github.com/pingcap/tiflow/pkg/cmd/util" | ||
| "github.com/pingcap/tiflow/pkg/config" | ||
| "github.com/pingcap/tiflow/pkg/filter" | ||
| "github.com/spf13/cobra" | ||
| ) | ||
|
|
||
| var ( | ||
| table string | ||
| ddl string | ||
| cfgPath string | ||
| ) | ||
|
|
||
| func main() { | ||
| rootCmd := &cobra.Command{ | ||
| Use: "TiCDC filter helper, use to check whether your filter config works as expected", | ||
| Short: "A tool to check table and ddl query against filter rules", | ||
| Run: runFilter, | ||
| } | ||
| rootCmd.Flags().StringVarP(&cfgPath, "config", "c", "", "changefeed config file path") | ||
| rootCmd.Flags().StringVarP(&table, "table", "t", "", "table name, format: [schema].[table] ") | ||
| rootCmd.Flags().StringVarP(&ddl, "ddl", "d", "", "ddl query") | ||
| if err := rootCmd.Execute(); err != nil { | ||
| fmt.Println(err) | ||
| } | ||
| } | ||
|
|
||
| func runFilter(cmd *cobra.Command, args []string) { | ||
| // fmt.Printf("Filter Rules: %v\n", filterRules) | ||
| // fmt.Printf("Schema Name: %s\n", schemaName) | ||
| // fmt.Printf("Table Name: %s\n", tableName) | ||
| cfg := &config.ReplicaConfig{} | ||
| err := util.StrictDecodeFile(cfgPath, "cdc filter helper", cfg) | ||
| if err != nil { | ||
| fmt.Printf("decode config file error: %v\n", err) | ||
| return | ||
| } | ||
| ft, err := filter.NewFilter(cfg, "") | ||
| if err != nil { | ||
| fmt.Printf("filter create error: %v\n", err) | ||
| return | ||
| } | ||
| tableAndSchema := strings.Split(table, ".") | ||
| if len(tableAndSchema) != 2 { | ||
| fmt.Printf("the input format is invalid, only support {schema}.{table}: %s\n", table) | ||
| return | ||
| } | ||
|
|
||
| target := "table" | ||
| if ddl != "" { | ||
| target = "ddl" | ||
| } | ||
|
|
||
| switch target { | ||
| case "table": | ||
| matched := !ft.ShouldIgnoreTable(tableAndSchema[0], tableAndSchema[1]) | ||
| if matched { | ||
| fmt.Printf("Table: %s, Matched filter rule\n", table) | ||
| return | ||
| } | ||
| fmt.Printf("Table: %s, Not matched filter rule\n", table) | ||
| case "ddl": | ||
| ddlType := timodel.ActionCreateTable | ||
| discard := ft.ShouldDiscardDDL(ddlType, tableAndSchema[0], tableAndSchema[1]) | ||
| if discard { | ||
| fmt.Printf("DDL: %s, should be discard by event filter rule\n", ddl) | ||
| return | ||
| } | ||
| ignored, err := ft.ShouldIgnoreDDLEvent(&model.DDLEvent{ | ||
| StartTs: uint64(0), | ||
| Query: ddl, | ||
| Type: ddlType, | ||
| TableInfo: &model.TableInfo{ | ||
| TableName: model.TableName{ | ||
| Schema: tableAndSchema[0], | ||
| Table: tableAndSchema[1], | ||
| }, | ||
| }, | ||
| }) | ||
| if err != nil { | ||
| fmt.Printf("filter ddl error: %s, error: %v\n", ddl, err) | ||
| return | ||
| } | ||
| if ignored { | ||
| fmt.Printf("DDL: %s, should be ignored by event filter rule\n", ddl) | ||
| return | ||
| } | ||
| fmt.Printf("DDL: %s, should not be discard by event filter rule\n", ddl) | ||
| default: | ||
| fmt.Printf("unknown target: %s", target) | ||
|
|
||
| } | ||
| } |
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