// GetVCHInfo returns VCH-related info for a `docker info` call
func (handler *MiscHandlersImpl) GetVCHInfo() middleware.Responder {
ctx := context.Background()
vchCPUMhz := exec.NCPU(ctx)
vchMemLimit := exec.MemTotal(ctx)
vchInfo := &models.VCHInfo{
CPUMhz: &vchCPUMhz,
Memory: &vchMemLimit,
HostOS: &exec.Config.HostOS,
HostOSVersion: &exec.Config.HostOSVersion,
HostProductName: &exec.Config.HostProductName,
}
return misc.NewGetVCHInfoOK().WithPayload(vchInfo)
}
func Init(ctx context.Context, sess *session.Session) error {
source, err := extraconfig.GuestInfoSource()
if err != nil {
return err
}
f := find.NewFinder(sess.Vim25(), false)
extraconfig.Decode(source, &exec.VCHConfig)
log.Debugf("Decoded VCH config for execution: %#v", exec.VCHConfig)
ccount := len(exec.VCHConfig.ComputeResources)
if ccount != 1 {
detail := fmt.Sprintf("expected singular compute resource element, found %d", ccount)
log.Errorf(detail)
return err
}
cr := exec.VCHConfig.ComputeResources[0]
r, err := f.ObjectReference(ctx, cr)
if err != nil {
detail := fmt.Sprintf("could not get resource pool or virtual app reference from %q: %s", cr.String(), err)
log.Errorf(detail)
return err
}
switch o := r.(type) {
case *object.VirtualApp:
exec.VCHConfig.VirtualApp = o
exec.VCHConfig.ResourcePool = o.ResourcePool
case *object.ResourcePool:
exec.VCHConfig.ResourcePool = o
default:
detail := fmt.Sprintf("could not get resource pool or virtual app from reference %q: object type is wrong", cr.String())
log.Errorf(detail)
return errors.New(detail)
}
// we have a resource pool, so lets create the event manager for monitoring
exec.VCHConfig.EventManager = vsphere.NewEventManager(sess)
// configure event manager to monitor the resource pool
exec.VCHConfig.EventManager.AddMonitoredObject(exec.VCHConfig.ResourcePool.Reference().String())
// instantiate the container cache now
exec.NewContainerCache()
// need to blacklist the VCH from eventlistening - too many reconfigures
vch, err := guest.GetSelf(ctx, sess)
if err != nil {
return fmt.Errorf("Unable to get a reference to the VCH: %s", err.Error())
}
exec.VCHConfig.EventManager.Blacklist(vch.Reference().String())
// other managed objects could be added for the event stream, but for now the resource pool will do
exec.VCHConfig.EventManager.Start()
//FIXME: temporary injection of debug network for debug nic
ne := exec.VCHConfig.Networks["client"]
if ne == nil {
detail := fmt.Sprintf("could not get client network reference for debug nic - this code can be removed once network mapping/dhcp client is present")
log.Errorf(detail)
return err
}
nr := new(types.ManagedObjectReference)
nr.FromString(ne.Network.ID)
r, err = f.ObjectReference(ctx, *nr)
if err != nil {
detail := fmt.Sprintf("could not get client network reference from %s: %s", nr.String(), err)
log.Errorf(detail)
return err
}
exec.VCHConfig.DebugNetwork = r.(object.NetworkReference)
extraconfig.Decode(source, &network.Config)
log.Debugf("Decoded VCH config for network: %#v", network.Config)
for nn, n := range network.Config.ContainerNetworks {
pgref := new(types.ManagedObjectReference)
if !pgref.FromString(n.ID) {
log.Errorf("Could not reacquire object reference from id for network %s: %s", nn, n.ID)
}
r, err = f.ObjectReference(ctx, *pgref)
if err != nil {
log.Warnf("could not get network reference for %s network", nn)
continue
}
n.PortGroup = r.(object.NetworkReference)
}
// Grab the storage layer config blobs from extra config
extraconfig.Decode(source, &storage.Config)
log.Debugf("Decoded VCH config for storage: %#v", storage.Config)
// Grab the AboutInfo about our host environment
about := sess.Vim25().ServiceContent.About
exec.VCHConfig.VCHMhz = exec.NCPU(ctx)
exec.VCHConfig.VCHMemoryLimit = exec.MemTotal(ctx)
exec.VCHConfig.HostOS = about.OsType
exec.VCHConfig.HostOSVersion = about.Version
exec.VCHConfig.HostProductName = about.Name
log.Debugf("Host - OS (%s), version (%s), name (%s)", about.OsType, about.Version, about.Name)
log.Debugf("VCH limits - %d Mhz, %d MB", exec.VCHConfig.VCHMhz, exec.VCHConfig.VCHMemoryLimit)
return nil
}