package shell import ( "context" "fmt" "github.com/chrislusf/seaweedfs/weed/pb/master_pb" "io" ) func init() { commands = append(commands, &commandCollectionList{}) } type commandCollectionList struct { } func (c *commandCollectionList) Name() string { return "collection.list" } func (c *commandCollectionList) Help() string { return `list all collections` } func (c *commandCollectionList) Do(args []string, commandEnv *commandEnv, writer io.Writer) (err error) { collections, err := ListCollectionNames(commandEnv) if err != nil { return err } for _, c := range collections { fmt.Fprintf(writer, "collection:\"%s\"\n", c) } fmt.Fprintf(writer, "Total %d collections.\n", len(collections)) return nil } func ListCollectionNames(commandEnv *commandEnv) (collections []string, err error) { var resp *master_pb.CollectionListResponse ctx := context.Background() err = commandEnv.masterClient.WithClient(ctx, func(client master_pb.SeaweedClient) error { resp, err = client.CollectionList(ctx, &master_pb.CollectionListRequest{}) return err }) if err != nil { return } for _, c := range resp.Collections { collections = append(collections, c.Name) } return }