forked from cockroachdb/cockroach
/
ssh.go
50 lines (44 loc) · 1.37 KB
/
ssh.go
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// Copyright 2015 The Cockroach Authors.
//
// 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,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
// implied. See the License for the specific language governing
// permissions and limitations under the License.
//
// Author: Tobias Schottdorf
package terrafarm
import (
"os/user"
"path/filepath"
)
const sshUser = "ubuntu"
func (f *Farmer) defaultKeyFile() string {
base := "."
me, err := user.Current()
if err == nil {
base = me.HomeDir
}
return filepath.Join(base, ".ssh/"+f.KeyName)
}
func (f *Farmer) ssh(host, keyfile, cmd string) (stdout string, stderr string, _ error) {
return f.run("ssh",
"-o", "ServerAliveInterval=5",
"-o", "StrictHostKeyChecking=no",
"-o", "UserKnownHostsFile=/dev/null",
"-q", "-i", keyfile, sshUser+"@"+host, cmd)
}
func (f *Farmer) scp(host, keyfile, src, dest string) error {
_, _, err := f.run("scp", "-r",
"-o", "StrictHostKeyChecking=no",
"-o", "UserKnownHostsFile=/dev/null",
"-q", "-i", keyfile,
sshUser+"@"+host+":"+src, dest)
return err
}