github.com/coreos/mantle@v0.13.0/platform/machine/packet/console.go (about)

     1  // Copyright 2017 CoreOS, Inc.
     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 packet
    16  
    17  import (
    18  	"bytes"
    19  	"os"
    20  
    21  	"golang.org/x/crypto/ssh"
    22  )
    23  
    24  type console struct {
    25  	pc   *cluster
    26  	f    *os.File
    27  	buf  bytes.Buffer
    28  	done chan interface{}
    29  }
    30  
    31  func (c *console) SSHClient(ip, user string) (*ssh.Client, error) {
    32  	return c.pc.UserSSHClient(ip, user)
    33  }
    34  
    35  func (c *console) Write(p []byte) (int, error) {
    36  	c.buf.Write(p)
    37  	return c.f.Write(p)
    38  }
    39  
    40  func (c *console) Close() error {
    41  	close(c.done)
    42  	return c.f.Close()
    43  }
    44  
    45  func (c *console) Output() string {
    46  	<-c.done
    47  	return c.buf.String()
    48  }