package shell import ( "context" "flag" "fmt" "github.com/chrislusf/seaweedfs/weed/pb/master_pb" "io" ) func init() { Commands = append(Commands, &commandCollectionDelete{}) } type commandCollectionDelete struct { } func (c *commandCollectionDelete) Name() string { return "collection.delete" } func (c *commandCollectionDelete) Help() string { return `delete specified collection collection.delete -collection -force ` } func (c *commandCollectionDelete) Do(args []string, commandEnv *CommandEnv, writer io.Writer) (err error) { colDeleteCommand := flag.NewFlagSet(c.Name(), flag.ContinueOnError) collectionName := colDeleteCommand.String("collection", "", "collection to delete. Use '_default_' for the empty-named collection.") applyBalancing := colDeleteCommand.Bool("force", false, "apply the collection") if err = colDeleteCommand.Parse(args); err != nil { return nil } if err = commandEnv.confirmIsLocked(); err != nil { return } if *collectionName == "" { return fmt.Errorf("empty collection name is not allowed") } if *collectionName == "_default_" { *collectionName = "" } if !*applyBalancing { fmt.Fprintf(writer, "collection '%s' will be deleted. Use -force to apply the change.\n", *collectionName) return nil } err = commandEnv.MasterClient.WithClient(func(client master_pb.SeaweedClient) error { _, err = client.CollectionDelete(context.Background(), &master_pb.CollectionDeleteRequest{ Name: *collectionName, }) return err }) if err != nil { return } fmt.Fprintf(writer, "collection %s is deleted.\n", *collectionName) return nil }