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rmdir.go
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rmdir.go
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// Copyright 2020 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 task
import (
"context"
"fmt"
"strings"
"github.com/pingcap/errors"
"github.com/pingcap/tiup/pkg/cluster/ctxt"
)
// Rmdir is used to delete directory on the target host
type Rmdir struct {
host string
dirs []string
}
// Execute implements the Task interface
func (r *Rmdir) Execute(ctx context.Context) error {
exec, found := ctxt.GetInner(ctx).GetExecutor(r.host)
if !found {
return ErrNoExecutor
}
cmd := fmt.Sprintf(`rm -rf %s`, strings.Join(r.dirs, " "))
_, _, err := exec.Execute(ctx, cmd, false)
if err != nil {
return errors.Trace(err)
}
return nil
}
// Rollback implements the Task interface
func (r *Rmdir) Rollback(ctx context.Context) error {
return ErrUnsupportedRollback
}
// String implements the fmt.Stringer interface
func (r *Rmdir) String() string {
return fmt.Sprintf("Rmdir: host=%s, directories='%s'", r.host, strings.Join(r.dirs, "','"))
}