packer-cn/builder/amazon/common/ssh.go

34 lines
917 B
Go

package common
import (
gossh "code.google.com/p/go.crypto/ssh"
"fmt"
"github.com/mitchellh/goamz/ec2"
"github.com/mitchellh/packer/communicator/ssh"
)
func SSHAddress(port int) func(map[string]interface{}) (string, error) {
return func(state map[string]interface{}) (string, error) {
instance := state["instance"].(*ec2.Instance)
return fmt.Sprintf("%s:%d", instance.DNSName, port), nil
}
}
func SSHConfig(username string) func(map[string]interface{}) (*gossh.ClientConfig, error) {
return func(state map[string]interface{}) (*gossh.ClientConfig, error) {
privateKey := state["privateKey"].(string)
keyring := new(ssh.SimpleKeychain)
if err := keyring.AddPEMKey(privateKey); err != nil {
return nil, fmt.Errorf("Error setting up SSH config: %s", err)
}
return &gossh.ClientConfig{
User: username,
Auth: []gossh.ClientAuth{
gossh.ClientAuthKeyring(keyring),
},
}, nil
}
}