60 lines
1.3 KiB
Go
60 lines
1.3 KiB
Go
package common
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import (
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gossh "code.google.com/p/go.crypto/ssh"
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"fmt"
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"github.com/mitchellh/multistep"
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"github.com/mitchellh/packer/communicator/ssh"
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"io/ioutil"
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"os"
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)
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func SSHAddress(state multistep.StateBag) (string, error) {
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sshHostPort := state.Get("sshHostPort").(uint)
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return fmt.Sprintf("127.0.0.1:%d", sshHostPort), nil
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}
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func SSHConfigFunc(config SSHConfig) func(multistep.StateBag) (*gossh.ClientConfig, error) {
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return func(state multistep.StateBag) (*gossh.ClientConfig, error) {
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auth := []gossh.ClientAuth{
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gossh.ClientAuthPassword(ssh.Password(config.SSHPassword)),
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gossh.ClientAuthKeyboardInteractive(
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ssh.PasswordKeyboardInteractive(config.SSHPassword)),
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}
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if config.SSHKeyPath != "" {
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keyring, err := sshKeyToKeyring(config.SSHKeyPath)
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if err != nil {
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return nil, err
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}
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auth = append(auth, gossh.ClientAuthKeyring(keyring))
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}
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return &gossh.ClientConfig{
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User: config.SSHUser,
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Auth: auth,
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}, nil
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}
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}
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func sshKeyToKeyring(path string) (gossh.ClientKeyring, error) {
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f, err := os.Open(path)
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if err != nil {
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return nil, err
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}
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defer f.Close()
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keyBytes, err := ioutil.ReadAll(f)
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if err != nil {
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return nil, err
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}
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keyring := new(ssh.SimpleKeychain)
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if err := keyring.AddPEMKey(string(keyBytes)); err != nil {
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return nil, err
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}
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return keyring, nil
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}
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