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package shell
import (
"context"
"flag"
"fmt"
"github.com/seaweedfs/seaweedfs/weed/pb/master_pb"
"io"
)
func init() {
Commands = append(Commands, &commandGrow{})
}
type commandGrow struct {
}
func (c *commandGrow) Name() string {
return "volume.grow"
}
func (c *commandGrow) Help() string {
return `grow volumes
volume.grow [-collection=<collection name>] [-dataCenter=<data center name>]
`
}
func (c *commandGrow) Do(args []string, commandEnv *CommandEnv, writer io.Writer) (err error) {
volumeVacuumCommand := flag.NewFlagSet(c.Name(), flag.ContinueOnError)
growCount := volumeVacuumCommand.Uint("count", 2, "")
collection := volumeVacuumCommand.String("collection", "", "grow this collection")
dataCenter := volumeVacuumCommand.String("dataCenter", "", "grow volumes only from the specified data center")
if err = volumeVacuumCommand.Parse(args); err != nil {
return nil
}
assignRequest := &master_pb.AssignRequest{
Count: 0,
Collection: *collection,
WritableVolumeCount: uint32(*growCount),
}
if *dataCenter != "" {
assignRequest.DataCenter = *dataCenter
}
err = commandEnv.MasterClient.WithClient(false, func(client master_pb.SeaweedClient) error {
_, err := client.Assign(context.Background(), assignRequest)
if err != nil {
return fmt.Errorf("Assign: %v", err)
}
return nil
})
if err != nil {
return
}
return nil
}
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