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package cloudstack
import (
"fmt"
"net"
"os"
packerssh "github.com/hashicorp/packer/communicator/ssh"
"github.com/mitchellh/multistep"
"github.com/xanzy/go-cloudstack/cloudstack"
"golang.org/x/crypto/ssh"
"golang.org/x/crypto/ssh/agent"
)
func commHost(state multistep.StateBag) (string, error) {
client := state.Get("client").(*cloudstack.CloudStackClient)
config := state.Get("config").(*Config)
if config.hostAddress == "" {
ipAddr, _, err := client.Address.GetPublicIpAddressByID(config.PublicIPAddress)
if err != nil {
return "", fmt.Errorf("Failed to retrieve IP address: %s", err)
}
config.hostAddress = ipAddr.Ipaddress
}
return config.hostAddress, nil
}
func SSHConfig(useAgent bool, username, password string) func(state multistep.StateBag) (*ssh.ClientConfig, error) {
return func(state multistep.StateBag) (*ssh.ClientConfig, error) {
if useAgent {
authSock := os.Getenv("SSH_AUTH_SOCK")
if authSock == "" {
return nil, fmt.Errorf("SSH_AUTH_SOCK is not set")
}
sshAgent, err := net.Dial("unix", authSock)
if err != nil {
return nil, fmt.Errorf("Cannot connect to SSH Agent socket %q: %s", authSock, err)
}
return &ssh.ClientConfig{
User: username,
Auth: []ssh.AuthMethod{
ssh.PublicKeysCallback(agent.NewClient(sshAgent).Signers),
},
HostKeyCallback: ssh.InsecureIgnoreHostKey(),
}, nil
}
privateKey, hasKey := state.GetOk("privateKey")
if hasKey {
signer, err := ssh.ParsePrivateKey([]byte(privateKey.(string)))
if err != nil {
return nil, fmt.Errorf("Error setting up SSH config: %s", err)
}
return &ssh.ClientConfig{
User: username,
Auth: []ssh.AuthMethod{
ssh.PublicKeys(signer),
},
HostKeyCallback: ssh.InsecureIgnoreHostKey(),
}, nil
} else {
return &ssh.ClientConfig{
User: username,
HostKeyCallback: ssh.InsecureIgnoreHostKey(),
Auth: []ssh.AuthMethod{
ssh.Password(password),
ssh.KeyboardInteractive(
packerssh.PasswordKeyboardInteractive(password)),
}}, nil
}
}
}
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