func saveHost(store persist.Store, h *host.Host) error {
if err := store.Save(h); err != nil {
return fmt.Errorf("Error attempting to save host to store: %s", err)
}
return nil
}
// Create is the wrapper method which covers all of the boilerplate around
// actually creating, provisioning, and persisting an instance in the store.
func create(store persist.Store, h *host.Host, callback func(*host.Host)) error {
if err := cert.BootstrapCertificates(h.HostOptions.AuthOptions); err != nil {
return fmt.Errorf("Error generating certificates: %s", err)
}
log.Info("Running pre-create checks...")
if err := h.Driver.PreCreateCheck(); err != nil {
return fmt.Errorf("Error with pre-create check: %s", err)
}
if err := store.Save(h); err != nil {
return fmt.Errorf("Error saving host to store before attempting creation: %s", err)
}
log.Info("Creating machine...")
if err := h.Driver.Create(); err != nil {
return fmt.Errorf("Error in driver during machine creation: %s", err)
}
if err := store.Save(h); err != nil {
return fmt.Errorf("Error saving host to store after attempting creation: %s", err)
}
// TODO: Not really a fan of just checking "none" here.
if h.Driver.DriverName() != "none" {
log.Info("Waiting for machine to be running, this may take a few minutes...")
if err := mcnutils.WaitFor(drivers.MachineInState(h.Driver, state.Running)); err != nil {
return fmt.Errorf("Error waiting for machine to be running: %s", err)
}
log.Info("Machine is running, waiting for SSH to be available...")
if err := drivers.WaitForSSH(h.Driver); err != nil {
return fmt.Errorf("Error waiting for SSH: %s", err)
}
log.Info("Detecting operating system of created instance...")
provisioner, err := provision.DetectProvisioner(h.Driver)
if err != nil {
return fmt.Errorf("Error detecting OS: %s", err)
}
callback(h)
log.Info("Provisioning created instance...")
if err := provisioner.Provision(*h.HostOptions.SwarmOptions, *h.HostOptions.AuthOptions, *h.HostOptions.EngineOptions); err != nil {
return fmt.Errorf("Error running provisioning: %s", err)
}
}
log.Debug("Reticulating splines...")
return nil
}