seaweedfs/weed/shell/command_collection_delete.go
askeipx 2e78a522ab
remove old raft servers if they don't answer to pings for too long (#3398)
* remove old raft servers if they don't answer to pings for too long

add ping durations as options

rename ping fields

fix some todos

get masters through masterclient

raft remove server from leader

use raft servers to ping them

CheckMastersAlive for hashicorp raft only

* prepare blocking ping

* pass waitForReady as param

* pass waitForReady through all functions

* waitForReady works

* refactor

* remove unneeded params

* rollback unneeded changes

* fix
2022-08-23 23:18:21 -07:00

72 lines
1.7 KiB
Go

package shell
import (
"context"
"flag"
"fmt"
"io"
"github.com/seaweedfs/seaweedfs/weed/pb/master_pb"
)
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 <collection_name> -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
}
infoAboutSimulationMode(writer, *applyBalancing, "-force")
if err = commandEnv.confirmIsLocked(args); 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(false, 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
}