github.com/alibaba/sealer@v0.8.6-0.20220430115802-37a2bdaa8173/pkg/command/command.go (about)

     1  // Copyright © 2021 Alibaba Group Holding Ltd.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package command
    16  
    17  import (
    18  	"github.com/alibaba/sealer/utils"
    19  )
    20  
    21  type Interface interface {
    22  	Exec() (string, error)
    23  }
    24  
    25  type SimpleCommand struct {
    26  	Command string
    27  }
    28  
    29  func (c *SimpleCommand) Exec() (string, error) {
    30  	output, err := utils.RunSimpleCmd(c.Command)
    31  	return output, err
    32  }
    33  
    34  func NewSimpleCommand(cmd string) Interface {
    35  	return &SimpleCommand{
    36  		Command: cmd,
    37  	}
    38  }
    39  
    40  type CopyCommand struct {
    41  	Src string
    42  	Dst string
    43  }
    44  
    45  // COPY dashboard-chart .
    46  // COPY [src] [dst]
    47  // copy files to /var/lib/sealer/[image hash]/[layer hash]
    48  func (c *CopyCommand) Exec() (string, error) {
    49  	output, err := utils.CmdOutput("cp", "-r", c.Src, c.Dst)
    50  	if err != nil {
    51  		return "", err
    52  	}
    53  	return string(output), err
    54  }
    55  
    56  func NewCopyCommand(src, dst string) Interface {
    57  	return &CopyCommand{
    58  		Src: src,
    59  		Dst: dst,
    60  	}
    61  }