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package minipaas
import (
"flag"
"net"
"os"
"golang.org/x/crypto/ssh"
"golang.org/x/crypto/ssh/agent"
)
func getAgent() (agent.Agent, error) {
agentConn, err := net.Dial("unix", os.Getenv("SSH_AUTH_SOCK"))
return agent.NewClient(agentConn), err
}
var (
minipaasAddr = flag.String("minipaas-addr", "minipaas.xeserv.us:22", "address of minipaas")
minipaasUser = flag.String("minipaas-user", "dokku", "username on minipaas")
)
// Dial opens a SSH client to minipaas as the dokku user.
func Dial() (*ssh.Client, error) {
agent, err := getAgent()
if err != nil {
return nil, err
}
client, err := ssh.Dial("tcp", *minipaasAddr, &ssh.ClientConfig{
User: *minipaasUser,
Auth: []ssh.AuthMethod{
ssh.PublicKeysCallback(agent.Signers),
},
HostKeyCallback: ssh.InsecureIgnoreHostKey(),
})
if err != nil {
return nil, err
}
return client, nil
}
// Exec runs an arbitrary dokku command with OS standard input, output and error.
func Exec(args string) error {
mp, err := Dial()
if err != nil {
return err
}
defer mp.Close()
sess, err := mp.NewSession()
if err != nil {
return err
}
defer sess.Close()
sess.Stdin = os.Stdin
sess.Stdout = os.Stdout
sess.Stderr = os.Stderr
err = sess.Run(args)
if err != nil {
return err
}
return nil
}
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