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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"
"github.com/pingcap/errors"
"github.com/pingcap/tiup/pkg/cluster/ctxt"
logprinter "github.com/pingcap/tiup/pkg/logger/printer"
)
// Shell is used to create directory on the target host
type Shell struct {
host string
command string
sudo bool
cmdID string
}
// Execute implements the Task interface
func (m *Shell) Execute(ctx context.Context) error {
exec, found := ctxt.GetInner(ctx).GetExecutor(m.host)
if !found {
return ErrNoExecutor
}
ctx.Value(logprinter.ContextKeyLogger).(*logprinter.Logger).
Infof("Run command on %s(sudo:%v): %s", m.host, m.sudo, m.command)
stdout, stderr, err := exec.Execute(ctx, m.command, m.sudo)
outputID := m.host
if m.cmdID != "" {
outputID = m.cmdID
}
ctxt.GetInner(ctx).SetOutputs(outputID, stdout, stderr)
if err != nil {
return errors.Trace(err)
}
return nil
}
// Rollback implements the Task interface
func (m *Shell) Rollback(ctx context.Context) error {
return ErrUnsupportedRollback
}
// String implements the fmt.Stringer interface
func (m *Shell) String() string {
return fmt.Sprintf("Shell: host=%s, sudo=%v, command=`%s`", m.host, m.sudo, m.command)
}
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