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|
package docker
import (
"fmt"
"io/ioutil"
"github.com/mitchellh/multistep"
"github.com/mitchellh/packer/communicator/ssh"
"github.com/mitchellh/packer/helper/communicator"
gossh "golang.org/x/crypto/ssh"
)
func commHost(state multistep.StateBag) (string, error) {
containerId := state.Get("container_id").(string)
driver := state.Get("driver").(Driver)
return driver.IPAddress(containerId)
}
func sshConfig(comm *communicator.Config) func(state multistep.StateBag) (*gossh.ClientConfig, error) {
return func(state multistep.StateBag) (*gossh.ClientConfig, error) {
if comm.SSHPrivateKey != "" {
// key based auth
bytes, err := ioutil.ReadFile(comm.SSHPrivateKey)
if err != nil {
return nil, fmt.Errorf("Error setting up SSH config: %s", err)
}
privateKey := string(bytes)
signer, err := gossh.ParsePrivateKey([]byte(privateKey))
if err != nil {
return nil, fmt.Errorf("Error setting up SSH config: %s", err)
}
return &gossh.ClientConfig{
User: comm.SSHUsername,
Auth: []gossh.AuthMethod{
gossh.PublicKeys(signer),
},
}, nil
} else {
// password based auth
return &gossh.ClientConfig{
User: comm.SSHUsername,
Auth: []gossh.AuthMethod{
gossh.Password(comm.SSHPassword),
gossh.KeyboardInteractive(
ssh.PasswordKeyboardInteractive(comm.SSHPassword)),
},
}, nil
}
}
}
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