func (s *executor) determineBaseSnapshot(baseImage string) string {
var err error
baseSnapshot := s.Config.VirtualBox.BaseSnapshot
if baseSnapshot == "" {
baseSnapshot, err = vbox.GetCurrentSnapshot(baseImage)
if err != nil {
if s.Config.VirtualBox.DisableSnapshots {
s.Debugln("No snapshots found for base VM", baseImage)
return ""
}
baseSnapshot = "Base State"
}
}
if baseSnapshot != "" && !vbox.HasSnapshot(baseImage, baseSnapshot) {
if s.Config.VirtualBox.DisableSnapshots {
s.Warningln("Snapshot", baseSnapshot, "not found in base VM", baseImage)
return ""
}
s.Debugln("Creating snapshot", baseSnapshot, "from current base VM", baseImage, "state...")
err = vbox.CreateSnapshot(baseImage, baseSnapshot)
if err != nil {
s.Warningln("Failed to create snapshot", baseSnapshot, "from base VM", baseImage)
return ""
}
}
return baseSnapshot
}
func (s *executor) Prepare(globalConfig *common.Config, config *common.RunnerConfig, build *common.Build) error {
err := s.AbstractExecutor.Prepare(globalConfig, config, build)
if err != nil {
return err
}
if s.BuildShell.PassFile {
return errors.New("virtualbox doesn't support shells that require script file")
}
if s.Config.SSH == nil {
return errors.New("Missing SSH config")
}
if s.Config.VirtualBox == nil {
return errors.New("Missing VirtualBox configuration")
}
if s.Config.VirtualBox.BaseName == "" {
return errors.New("Missing BaseName setting from VirtualBox configuration")
}
version, err := vbox.Version()
if err != nil {
return err
}
s.Println("Using VirtualBox version", version, "executor...")
if s.Config.VirtualBox.DisableSnapshots {
s.vmName = s.Config.VirtualBox.BaseName + "-" + s.Build.ProjectUniqueName()
if vbox.Exist(s.vmName) {
s.Debugln("Deleting old VM...")
vbox.Stop(s.vmName)
vbox.Delete(s.vmName)
vbox.Unregister(s.vmName)
}
} else {
s.vmName = fmt.Sprintf("%s-runner-%s-concurrent-%d",
s.Config.VirtualBox.BaseName,
s.Build.Runner.ShortDescription(),
s.Build.RunnerID)
}
if vbox.Exist(s.vmName) {
s.Println("Restoring VM from snapshot...")
err := s.restoreFromSnapshot()
if err != nil {
s.Println("Previous VM failed. Deleting, because", err)
vbox.Stop(s.vmName)
vbox.Delete(s.vmName)
vbox.Unregister(s.vmName)
}
}
if !vbox.Exist(s.vmName) {
s.Println("Creating new VM...")
err := s.createVM(s.vmName)
if err != nil {
return err
}
if !s.Config.VirtualBox.DisableSnapshots {
s.Println("Creating default snapshot...")
err = vbox.CreateSnapshot(s.vmName, "Started")
if err != nil {
return err
}
}
}
s.Debugln("Checking VM status...")
status, err := vbox.Status(s.vmName)
if err != nil {
return err
}
if !vbox.IsStatusOnlineOrTransient(status) {
s.Println("Starting VM...")
err := vbox.Start(s.vmName)
if err != nil {
return err
}
}
if status != vbox.Running {
s.Debugln("Waiting for VM to run...")
err = vbox.WaitForStatus(s.vmName, vbox.Running, 60)
if err != nil {
return err
}
}
s.Debugln("Identify SSH Port...")
sshPort, err := vbox.FindSSHPort(s.vmName)
s.sshPort = sshPort
if err != nil {
return err
}
s.Println("Waiting VM to become responsive...")
err = s.verifyMachine(s.vmName, s.sshPort)
if err != nil {
return err
}
s.provisioned = true
s.Println("Starting SSH command...")
s.sshCommand = ssh.Client{
Config: *s.Config.SSH,
Stdout: s.BuildTrace,
Stderr: s.BuildTrace,
}
s.sshCommand.Port = s.sshPort
s.sshCommand.Host = "localhost"
s.Debugln("Connecting to SSH server...")
err = s.sshCommand.Connect()
if err != nil {
return err
}
return nil
}