func doSetupSSH(configModel config.MachineConfigModel) (config.SSHConfigModel, error) {
log.Infoln("==> doSetupSSH")
sshConfigModel := config.SSHConfigModel{}
// Read `vagrant ssh-config` log/output
outputs, err := utils.RunAndReturnCombinedOutput(MachineWorkdir.Get(), configModel.AllCmdEnvsForConfigType(MachineConfigTypeID.Get()), "vagrant", "ssh-config")
if err != nil {
log.Errorf("'vagrant ssh-config' failed with output: %s", outputs)
return sshConfigModel, err
}
log.Debugln("===> (raw) vagrant ssh-config retrieved")
// Convert `vagrant ssh-config` to our SSHConfigModel
sshConfigModel, err = config.CreateSSHConfigFromVagrantSSHConfigLog(outputs)
if err != nil {
log.Errorf("'vagrant ssh-config' returned an invalid output (failed to scan SSH Config): %s", outputs)
return sshConfigModel, err
}
log.Debugln("===> vagrant ssh-config parsed")
// Generate SSH Keypair
privBytes, pubBytes, err := utils.GenerateSSHKeypair()
if err != nil {
return sshConfigModel, err
}
log.Debugln("===> SSH Keypair generated")
// Write the SSH Keypair to file
privKeyFilePth, _, err := config.WriteSSHKeypairToFiles(MachineWorkdir.Get(), privBytes, pubBytes)
if err != nil {
return sshConfigModel, err
}
log.Debugln("===> SSH Keypair written to file")
// Replace the ~/.ssh/authorized_keys inside the VM to only allow
// the new keypair
replaceAuthKeysCmd := fmt.Sprintf(`printf "%s" > ~/.ssh/authorized_keys`, pubBytes)
log.Debugf("===> Running command through SSH: %s", replaceAuthKeysCmd)
if err := utils.RunCommandThroughSSH(sshConfigModel, replaceAuthKeysCmd); err != nil {
return sshConfigModel, err
}
log.Debugln("===> SSH Keypair is now authorized to access the VM")
// Save private key as the new identity
sshConfigModel.IdentityPath = privKeyFilePth
if err := sshConfigModel.WriteIntoFileInDir(MachineWorkdir.Get()); err != nil {
return sshConfigModel, err
}
log.Debugln("===> New identity (private SSH key) saved into config in workdir")
log.Debugln("==> doSetupSSH [done]")
return sshConfigModel, nil
}
// doTimesync generates an appropriately formatted
// time string, then calls `sudo date` through SSH
// This is required for Virtual Machines which are
// simply rolled back to a snapshot state which might
// mess up the VM's time (restores it to the snapshot time)
func doTimesync(sshConfigModel config.SSHConfigModel) error {
log.Infoln("==> doTimesync")
const layout = "2006-01-02 15:04:05 MST"
timeNow := time.Now()
timeAsString := timeNow.UTC().Format(layout)
// THIS ONLY WORKS ON OSX VM!!
timeSyncCmd := fmt.Sprintf("%s %s",
`sudo date -uf "%Y-%m-%d %H:%M:%S UTC"`,
`"`+timeAsString+`"`)
log.Infoln("timeSyncCmd: ", timeSyncCmd)
if err := utils.RunCommandThroughSSH(sshConfigModel, timeSyncCmd); err != nil {
return err
}
return nil
}