func TestMain(t *testing.T) {
ctx := context.Background()
for i, model := range []*simulator.Model{simulator.ESX(), simulator.VPX()} {
t.Logf("%d", i)
defer model.Remove()
err := model.Create()
if err != nil {
t.Fatal(err)
}
s := model.Service.NewServer()
defer s.Close()
s.URL.User = url.UserPassword("user", "pass")
t.Logf("server URL: %s", s.URL)
var sess *session.Session
if i == 0 {
sess, err = getESXSession(ctx, s.URL.String())
} else {
sess, err = getVPXSession(ctx, s.URL.String())
}
if err != nil {
t.Fatal(err)
}
defer sess.Logout(ctx)
testGetChildrenVMs(ctx, sess, t)
testGetChildVM(ctx, sess, t)
testFindResourcePool(ctx, sess, t)
testGetCluster(ctx, sess, t)
}
}
func findDiagnosticLogs(c *session.Session) ([]entryReader, error) {
defer trace.End(trace.Begin(""))
// When connected to VC, we collect vpxd.log and hostd.log for all cluster hosts attached to the datastore.
// When connected to ESX, we just collect hostd.log.
const (
vpxdKey = "vpxd:vpxd.log"
hostdKey = "hostd"
)
var logs []entryReader
var err error
if c.IsVC() {
logs = append(logs, dlogReader{c, vpxdKey, nil})
var hosts []*object.HostSystem
if c.Cluster == nil && c.Host != nil {
hosts = []*object.HostSystem{c.Host}
} else {
hosts, err = c.Datastore.AttachedClusterHosts(context.TODO(), c.Cluster)
if err != nil {
return nil, err
}
}
for _, host := range hosts {
logs = append(logs, dlogReader{c, hostdKey, host})
}
} else {
logs = append(logs, dlogReader{c, hostdKey, nil})
}
return logs, nil
}
func createAppliance(ctx context.Context, sess *session.Session, conf *config.VirtualContainerHostConfigSpec, vConf *data.InstallerData, hasErr bool, t *testing.T) {
var err error
d := &Dispatcher{
session: sess,
ctx: ctx,
isVC: sess.IsVC(),
force: false,
}
delete(conf.Networks, "bridge") // FIXME: cannot create bridge network in simulator
if d.isVC {
if d.vchVapp, err = d.createVApp(conf, vConf); err != nil {
// FIXME: Got error: ServerFaultCode: ResourcePool:resourcepool-14 does not implement: CreateVApp. Simulator need to implement CreateVApp
// t.Errorf("Unable to create virtual app: %s", err)
}
}
if d.vchPool, err = d.createResourcePool(conf, vConf); err != nil {
t.Errorf("Unable to create resource pool: %s", err)
}
spec, err := d.createApplianceSpec(conf, vConf)
if err != nil {
t.Errorf("Unable to create appliance spec: %s", err)
return
}
// create appliance VM
info, err := tasks.WaitForResult(d.ctx, func(ctx context.Context) (tasks.ResultWaiter, error) {
return d.session.Folders(ctx).VmFolder.CreateVM(ctx, *spec, d.vchPool, d.session.Host)
})
// get VM reference and save it
moref := info.Result.(types.ManagedObjectReference)
conf.SetMoref(&moref)
obj, err := d.session.Finder.ObjectReference(d.ctx, moref)
if err != nil {
t.Errorf("Failed to reacquire reference to appliance VM after creation: %s", err)
return
}
gvm, ok := obj.(*object.VirtualMachine)
if !ok {
t.Errorf("Required reference after appliance creation was not for a VM: %T", obj)
return
}
vm2 := vm.NewVirtualMachineFromVM(d.ctx, d.session, gvm)
uuid, err := vm2.UUID(d.ctx)
if err != nil {
t.Errorf("Failed to get VM UUID: %s", err)
return
}
t.Logf("uuid: %s", uuid)
// leverage create volume method to create image datastore
conf.VolumeLocations["images-store"], _ = url.Parse(fmt.Sprintf("ds://LocalDS_0/VIC/%s/images", uuid))
if err := d.createVolumeStores(conf); err != nil {
t.Errorf("Unable to create volume stores: %s", err)
return
}
}
// NewDatastore returns a Datastore.
// ctx is a context,
// s is an authenticated session
// ds is the vsphere datastore
// rootdir is the top level directory to root all data. If root does not exist,
// it will be created. If it already exists, NOOP. This cannot be empty.
func NewDatastore(ctx context.Context, s *session.Session, ds *object.Datastore, rootdir string) (*Datastore, error) {
d := &Datastore{
ds: ds,
s: s,
fm: object.NewFileManager(s.Vim25()),
}
if strings.HasPrefix(rootdir, "/") {
rootdir = strings.TrimPrefix(rootdir, "/")
}
// Get the root directory element split from the rest of the path (if there is one)
root := strings.SplitN(rootdir, "/", 2)
// Create the first element. This handles vsan vmfs top level dirs.
if err := d.mkRootDir(ctx, root[0]); err != nil {
log.Infof("error creating root directory %s: %s", rootdir, err)
return nil, err
}
// Create the rest conventionally
if len(root) > 1 {
r, err := d.Mkdir(ctx, true, root[1])
if err != nil {
return nil, err
}
d.RootURL = r
}
log.Infof("Datastore path is %s", d.RootURL)
return d, nil
}
func Init(ctx context.Context, sess *session.Session, source extraconfig.DataSource, sink extraconfig.DataSink) error {
trace.End(trace.Begin(""))
initializer.once.Do(func() {
var err error
defer func() {
initializer.err = err
}()
f := find.NewFinder(sess.Vim25(), false)
var config Configuration
config.sink = sink
config.source = source
config.Decode()
config.PortGroups = make(map[string]object.NetworkReference)
log.Debugf("Decoded VCH config for network: %#v", config)
for nn, n := range config.ContainerNetworks {
pgref := new(types.ManagedObjectReference)
if !pgref.FromString(n.ID) {
log.Warnf("Could not reacquire object reference from id for network %s: %s", nn, n.ID)
}
var r object.Reference
if r, err = f.ObjectReference(ctx, *pgref); err != nil {
log.Warnf("could not get network reference for %s network: %s", nn, err)
err = nil
continue
}
config.PortGroups[nn] = r.(object.NetworkReference)
}
// make sure a NIC attached to the bridge network exists
config.BridgeLink, err = getBridgeLink(&config)
if err != nil {
return
}
var kv kvstore.KeyValueStore
kv, err = store.NewDatastoreKeyValue(ctx, sess, "network.contexts.default")
if err != nil {
return
}
var netctx *Context
if netctx, err = NewContext(&config, kv); err != nil {
return
}
if err = engageContext(ctx, netctx, exec.Config.EventManager); err == nil {
DefaultContext = netctx
log.Infof("Default network context allocated")
}
})
return initializer.err
}
func rm(t *testing.T, client *session.Session, name string) {
t.Logf("deleting %s", name)
fm := object.NewFileManager(client.Vim25())
task, err := fm.DeleteDatastoreFile(context.TODO(), name, client.Datacenter)
if !assert.NoError(t, err) {
return
}
_, _ = task.WaitForResult(context.TODO(), nil)
}
// populate the vm attributes for the specified morefs
func populateVMAttributes(ctx context.Context, sess *session.Session, refs []types.ManagedObjectReference) ([]mo.VirtualMachine, error) {
var vms []mo.VirtualMachine
// current attributes we care about
attrib := []string{"config", "runtime.powerState", "summary"}
// populate the vm properties
err := sess.Retrieve(ctx, refs, attrib, &vms)
return vms, err
}
func createNodes(ctx context.Context, sess *session.Session, pool *object.ResourcePool, node *Node, base string) error {
log.Debugf("create node %+v", node)
if node == nil {
return nil
}
spec := simulator.NewResourceConfigSpec()
node.Name = fmt.Sprintf("%s-%s", base, node.Name)
switch node.Kind {
case rpNode:
child, err := pool.Create(ctx, node.Name, spec)
if err != nil {
return err
}
for _, childNode := range node.Children {
return createNodes(ctx, sess, child, childNode, base)
}
case vappNode:
confSpec := types.VAppConfigSpec{
VmConfigSpec: types.VmConfigSpec{},
}
vapp, err := pool.CreateVApp(ctx, node.Name, spec, confSpec, nil)
if err != nil {
return err
}
config := types.VirtualMachineConfigSpec{
Name: node.Name,
GuestId: string(types.VirtualMachineGuestOsIdentifierOtherGuest),
Files: &types.VirtualMachineFileInfo{
VmPathName: fmt.Sprintf("[LocalDS_0] %s", node.Name),
},
}
if _, err = tasks.WaitForResult(ctx, func(ctx context.Context) (tasks.Task, error) {
return vapp.CreateChildVM_Task(ctx, config, nil)
}); err != nil {
return err
}
case vmNode:
config := types.VirtualMachineConfigSpec{
Name: node.Name,
GuestId: string(types.VirtualMachineGuestOsIdentifierOtherGuest),
Files: &types.VirtualMachineFileInfo{
VmPathName: fmt.Sprintf("[LocalDS_0] %s", node.Name),
},
}
folder := sess.Folders(ctx).VmFolder
if _, err := tasks.WaitForResult(ctx, func(ctx context.Context) (tasks.Task, error) {
return folder.CreateVM(ctx, config, pool, nil)
}); err != nil {
return err
}
default:
return nil
}
return nil
}
func testDeleteVolumeStores(ctx context.Context, sess *session.Session, conf *config.VirtualContainerHostConfigSpec, numVols int, t *testing.T) {
d := &Dispatcher{
session: sess,
ctx: ctx,
isVC: sess.IsVC(),
force: true,
}
if removed := d.deleteVolumeStoreIfForced(conf); removed != numVols {
t.Errorf("Did not successfully remove all specified volumes")
}
}
// NewDispatcher creates a dispatcher that can act upon VIC management operations.
// clientCert is an optional client certificate to allow interaction with the Docker API for verification
// force will ignore some errors
func NewDispatcher(ctx context.Context, s *session.Session, conf *config.VirtualContainerHostConfigSpec, force bool) *Dispatcher {
defer trace.End(trace.Begin(""))
isVC := s.IsVC()
e := &Dispatcher{
session: s,
ctx: ctx,
isVC: isVC,
force: force,
}
if conf != nil {
e.InitDiagnosticLogs(conf)
}
return e
}
// FIXME: Failed to find IDE controller in simulator, so create appliance failed
func testCreateAppliance(ctx context.Context, sess *session.Session, conf *config.VirtualContainerHostConfigSpec, vConf *data.InstallerData, hasErr bool, t *testing.T) {
d := &Dispatcher{
session: sess,
ctx: ctx,
isVC: sess.IsVC(),
force: false,
}
delete(conf.Networks, "bridge") // FIXME: cannot create bridge network right now
d.vchPool = d.session.Pool
err := d.createAppliance(conf, vConf)
if err != nil {
t.Logf("Expected error: %s", err)
}
}
// NewDiagnosticManager returns a new DiagnosticManager object
func NewDiagnosticManager(session *session.Session) *Manager {
return &Manager{
DiagnosticManager: object.NewDiagnosticManager(
session.Vim25(),
),
Session: session,
}
}
// NewResourcePool returns a New ResourcePool object
func NewVirtualApp(ctx context.Context, session *session.Session, moref types.ManagedObjectReference) *VirtualApp {
return &VirtualApp{
VirtualApp: object.NewVirtualApp(
session.Vim25(),
moref,
),
Session: session,
}
}
// GetSelf gets VirtualMachine reference for the VM this process is running on
func GetSelf(ctx context.Context, s *session.Session) (*vm.VirtualMachine, error) {
u, err := UUID()
if err != nil {
return nil, err
}
search := object.NewSearchIndex(s.Vim25())
ref, err := search.FindByUuid(ctx, s.Datacenter, u, true, nil)
if err != nil {
return nil, err
}
if ref == nil {
return nil, fmt.Errorf("can't find the hosting vm")
}
return vm.NewVirtualMachine(ctx, s, ref.Reference()), nil
}
// NewResourcePool returns a New ResourcePool object
func NewResourcePool(ctx context.Context, session *session.Session, moref types.ManagedObjectReference) *ResourcePool {
return &ResourcePool{
ResourcePool: object.NewResourcePool(
session.Vim25(),
moref,
),
Session: session,
}
}
func isManagedbyVCH(sess *session.Session, moref types.ManagedObjectReference) bool {
var vm mo.VirtualMachine
// current attributes we care about
attrib := []string{"resourcePool"}
// populate the vm properties
ctx := context.Background()
if err := sess.RetrieveOne(ctx, moref, attrib, &vm); err != nil {
log.Errorf("Failed to query registered vm object %s: %s", moref.String(), err)
return false
}
if *vm.ResourcePool != Config.ResourcePool.Reference() {
log.Debugf("container vm %q does not belong to this VCH, ignoring", vm.Config.Name)
return false
}
return true
}
func (c *Container) Update(ctx context.Context, sess *session.Session) (*executor.ExecutorConfig, error) {
defer trace.End(trace.Begin("Container.Update"))
c.Lock()
defer c.Unlock()
if c.vm == nil {
return nil, fmt.Errorf("container does not have a vm")
}
var vm []mo.VirtualMachine
if err := sess.Retrieve(ctx, []types.ManagedObjectReference{c.vm.Reference()}, []string{"config"}, &vm); err != nil {
return nil, err
}
extraconfig.Decode(vmomi.OptionValueSource(vm[0].Config.ExtraConfig), c.ExecConfig)
return c.ExecConfig, nil
}
func testCreateNetwork(ctx context.Context, sess *session.Session, conf *config.VirtualContainerHostConfigSpec, t *testing.T) {
d := &Dispatcher{
session: sess,
ctx: ctx,
isVC: sess.IsVC(),
force: false,
}
err := d.createBridgeNetwork(conf)
if d.isVC && err != nil {
t.Logf("Got exepcted err: %s", err)
return
}
if d.isVC {
t.Errorf("Should not create network in VC")
return
}
if err != nil {
t.Errorf("Unexpected error: %s", err)
}
}
func testCreateVolumeStores(ctx context.Context, sess *session.Session, conf *config.VirtualContainerHostConfigSpec, hasErr bool, t *testing.T) {
d := &Dispatcher{
session: sess,
ctx: ctx,
isVC: sess.IsVC(),
force: false,
}
err := d.createVolumeStores(conf)
if hasErr && err != nil {
t.Logf("Got exepcted err: %s", err)
return
}
if hasErr {
t.Errorf("Should have error, but got success")
return
}
if err != nil {
t.Errorf("Unexpected error: %s", err)
}
}
func createTestData(ctx context.Context, sess *session.Session, prefix string) error {
dcs, err := sess.Finder.DatacenterList(ctx, "*")
if err != nil {
return err
}
for _, dc := range dcs {
sess.Finder.SetDatacenter(dc)
sess.Datacenter = dc
resources := &Node{
Kind: rpNode,
Name: prefix + "Root",
Children: []*Node{
{
Kind: rpNode,
Name: prefix + "pool1",
Children: []*Node{
{
Kind: vmNode,
Name: prefix + "pool1",
},
{
Kind: rpNode,
Name: prefix + "pool1-2",
Children: []*Node{
{
Kind: rpNode,
Name: prefix + "pool1-2-1",
Children: []*Node{
{
Kind: vmNode,
Name: prefix + "vch1-2-1",
},
},
},
},
},
},
},
{
Kind: vmNode,
Name: prefix + "vch2",
},
},
}
if err = createResources(ctx, sess, resources); err != nil {
return err
}
}
return nil
}
// GetDatastores returns a map of datastores given a map of names and urls
func GetDatastores(ctx context.Context, s *session.Session, dsURLs map[string]*url.URL) (map[string]*Helper, error) {
stores := make(map[string]*Helper)
fm := object.NewFileManager(s.Vim25())
for name, dsURL := range dsURLs {
vsDs, err := s.Finder.DatastoreOrDefault(ctx, s.DatastorePath)
if err != nil {
return nil, err
}
d := &Helper{
ds: vsDs,
s: s,
fm: fm,
RootURL: dsURL.Path,
}
stores[name] = d
}
return stores, nil
}
func findDiagnosticLogs(c *session.Session) (map[string]entryReader, error) {
defer trace.End(trace.Begin(""))
// When connected to VC, we collect vpxd.log and hostd.log for all cluster hosts attached to the datastore.
// When connected to ESX, we just collect hostd.log.
const (
vpxdKey = "vpxd:vpxd.log"
hostdKey = "hostd"
)
logs := map[string]entryReader{}
var err error
if c.IsVC() {
logs[vpxdKey] = dlogReader{c, vpxdKey, nil}
var hosts []*object.HostSystem
if c.Cluster == nil && c.Host != nil {
hosts = []*object.HostSystem{c.Host}
} else {
hosts, err = c.Datastore.AttachedClusterHosts(context.TODO(), c.Cluster)
if err != nil {
return nil, err
}
}
for _, host := range hosts {
lname := fmt.Sprintf("%s/%s", hostdKey, host)
logs[lname] = dlogReader{c, hostdKey, host}
}
} else {
logs[hostdKey] = dlogReader{c, hostdKey, nil}
}
return logs, nil
}
// NewDatastore returns a Datastore.
// ctx is a context,
// s is an authenticated session
// ds is the vsphere datastore
// rootdir is the top level directory to root all data. If root does not exist,
// it will be created. If it already exists, NOOP. This cannot be empty.
func NewHelper(ctx context.Context, s *session.Session, ds *object.Datastore, rootdir string) (*Helper, error) {
d := &Helper{
ds: ds,
s: s,
fm: object.NewFileManager(s.Vim25()),
}
if path.IsAbs(rootdir) {
rootdir = rootdir[1:]
}
if err := d.mkRootDir(ctx, rootdir); err != nil {
log.Infof("error creating root directory %s: %s", rootdir, err)
return nil, err
}
if d.RootURL == "" {
return nil, fmt.Errorf("failed to create root directory")
}
log.Infof("Datastore path is %s", d.RootURL)
return d, nil
}
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
}
func (c *Container) Commit(ctx context.Context, sess *session.Session, h *Handle, waitTime *int32) error {
defer trace.End(trace.Begin("Committing handle"))
c.Lock()
defer c.Unlock()
if c.vm == nil {
// the only permissible operation is to create a VM
if h.Spec == nil {
return fmt.Errorf("only create operations can be committed without an existing VM")
}
var res *types.TaskInfo
var err error
if sess.IsVC() && VCHConfig.VirtualApp != nil {
// Create the vm
res, err = tasks.WaitForResult(ctx, func(ctx context.Context) (tasks.ResultWaiter, error) {
return VCHConfig.VirtualApp.CreateChildVM_Task(ctx, *h.Spec.Spec(), nil)
})
c.State = StateCreated
} else {
// Find the Virtual Machine folder that we use
var folders *object.DatacenterFolders
folders, err = sess.Datacenter.Folders(ctx)
if err != nil {
log.Errorf("Could not get folders")
return err
}
parent := folders.VmFolder
// Create the vm
res, err = tasks.WaitForResult(ctx, func(ctx context.Context) (tasks.ResultWaiter, error) {
return parent.CreateVM(ctx, *h.Spec.Spec(), VCHConfig.ResourcePool, nil)
})
c.State = StateCreated
}
if err != nil {
log.Errorf("Something failed. Spec was %+v", *h.Spec.Spec())
return err
}
c.vm = vm.NewVirtualMachine(ctx, sess, res.Result.(types.ManagedObjectReference))
// clear the spec as we've acted on it
h.Spec = nil
}
// if we're stopping the VM, do so before the reconfigure to preserve the extraconfig
if h.State != nil && *h.State == StateStopped {
// stop the container
if err := h.Container.stop(ctx, waitTime); err != nil {
return err
}
c.State = *h.State
}
if h.Spec != nil {
// FIXME: add check that the VM is powered off - it should be, but this will destroy the
// extraconfig if it's not.
s := h.Spec.Spec()
_, err := tasks.WaitForResult(ctx, func(ctx context.Context) (tasks.ResultWaiter, error) {
return c.vm.Reconfigure(ctx, *s)
})
if err != nil {
return err
}
}
if h.State != nil && *h.State == StateRunning {
// start the container
if err := h.Container.start(ctx); err != nil {
return err
}
c.State = *h.State
}
c.ExecConfig = &h.ExecConfig
// add or overwrite the container in the cache
containers.Put(c)
return nil
}
// NewVirtualMachineConfigSpec returns a VirtualMachineConfigSpec
func NewVirtualMachineConfigSpec(ctx context.Context, session *session.Session, config *VirtualMachineConfigSpecConfig) (*VirtualMachineConfigSpec, error) {
defer trace.End(trace.Begin(config.ID))
log.Debugf("Adding metadata to the configspec: %+v", config.Metadata)
// TEMPORARY
// set VM name to prettyname-ID, to make it readable a little bit
// if prettyname-ID is longer than max vm name length, truncate pretty name, instead of UUID, to make it unique
nameMaxLen := maxVMNameLength - len(config.ID)
prettyName := config.Name
if len(prettyName) > nameMaxLen-1 {
prettyName = prettyName[:nameMaxLen-1]
}
fullName := fmt.Sprintf("%s-%s", prettyName, config.ID)
config.VMFullName = fullName
VMPathName := config.VMPathName
if !session.IsVSAN(ctx) {
// VMFS requires the full path to vmx or everything but the datastore is ignored
VMPathName = fmt.Sprintf("%s/%s/%s.vmx", config.VMPathName, config.VMFullName, config.ID)
}
s := &types.VirtualMachineConfigSpec{
Name: fullName,
Uuid: config.BiosUUID,
Files: &types.VirtualMachineFileInfo{
VmPathName: VMPathName,
},
NumCPUs: config.NumCPUs,
CpuHotAddEnabled: &config.VMForkEnabled, // this disables vNUMA when true
MemoryMB: config.MemoryMB,
MemoryHotAddEnabled: &config.VMForkEnabled,
ExtraConfig: []types.BaseOptionValue{
// lets us see the UUID for the containerfs disk (hidden from daemon)
&types.OptionValue{Key: "disk.EnableUUID", Value: "true"},
// needed to avoid the questions that occur when attaching multiple disks with the same uuid (bugzilla 1362918)
&types.OptionValue{Key: "answer.msg.disk.duplicateUUID", Value: "Yes"},
// needed to avoid the question that occur when opening a file backed serial port
&types.OptionValue{Key: "answer.msg.serial.file.open", Value: "Append"},
&types.OptionValue{Key: "sched.mem.lpage.maxSharedPages", Value: "256"},
// seems to be needed to avoid children hanging shortly after fork
&types.OptionValue{Key: "vmotion.checkpointSVGAPrimarySize", Value: "4194304"},
// trying this out - if it works then we need to determine if we can rely on serial0 being the correct index.
&types.OptionValue{Key: "serial0.hardwareFlowControl", Value: "TRUE"},
// https://enatai-jira.eng.vmware.com/browse/BON-257
// Hotadd memory above 3 GB not working
&types.OptionValue{Key: "memory.noHotAddOver4GB", Value: "FALSE"},
&types.OptionValue{Key: "memory.maxGrow", Value: "512"},
// http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2030189
&types.OptionValue{Key: "tools.remindInstall", Value: "FALSE"},
&types.OptionValue{Key: "tools.upgrade.policy", Value: "manual"},
},
}
// encode the config as optionvalues
cfg := map[string]string{}
extraconfig.Encode(extraconfig.MapSink(cfg), config.Metadata)
metaCfg := vmomi.OptionValueFromMap(cfg)
// merge it with the sec
s.ExtraConfig = append(s.ExtraConfig, metaCfg...)
vmcs := &VirtualMachineConfigSpec{
Session: session,
VirtualMachineConfigSpec: s,
config: config,
}
log.Debugf("Virtual machine config spec created: %+v", vmcs)
return vmcs, nil
}
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.Config)
log.Debugf("Decoded VCH config for execution: %#v", exec.Config)
ccount := len(exec.Config.ComputeResources)
if ccount != 1 {
detail := fmt.Sprintf("expected singular compute resource element, found %d", ccount)
log.Errorf(detail)
return err
}
cr := exec.Config.ComputeResources[0]
r, err := f.ObjectReference(ctx, cr)
if err != nil {
detail := fmt.Sprintf("could not get resource pool reference from %s: %s", cr.String(), err)
log.Errorf(detail)
return err
}
exec.Config.ResourcePool = r.(*object.ResourcePool)
//FIXME: temporary injection of debug network for debug nic
ne := exec.Config.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.Config.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)
}
return nil
}
// Commit executes the requires steps on the handle
func Commit(ctx context.Context, sess *session.Session, h *Handle, waitTime *int32) error {
defer trace.End(trace.Begin(h.ExecConfig.ID))
c := Containers.Container(h.ExecConfig.ID)
creation := h.vm == nil
if creation {
if h.Spec == nil {
return fmt.Errorf("a spec must be provided for create operations")
}
if sess == nil {
// session must not be nil
return fmt.Errorf("no session provided for create operations")
}
// the only permissible operation is to create a VM
if h.Spec == nil {
return fmt.Errorf("only create operations can be committed without an existing VM")
}
if c != nil {
return fmt.Errorf("a container already exists in the cache with this ID")
}
var res *types.TaskInfo
var err error
if sess.IsVC() && Config.VirtualApp.ResourcePool != nil {
// Create the vm
res, err = tasks.WaitForResult(ctx, func(ctx context.Context) (tasks.Task, error) {
return Config.VirtualApp.CreateChildVM_Task(ctx, *h.Spec.Spec(), nil)
})
} else {
// Find the Virtual Machine folder that we use
var folders *object.DatacenterFolders
folders, err = sess.Datacenter.Folders(ctx)
if err != nil {
log.Errorf("Could not get folders")
return err
}
parent := folders.VmFolder
// Create the vm
res, err = tasks.WaitForResult(ctx, func(ctx context.Context) (tasks.Task, error) {
return parent.CreateVM(ctx, *h.Spec.Spec(), Config.ResourcePool, nil)
})
}
if err != nil {
log.Errorf("Something failed. Spec was %+v", *h.Spec.Spec())
return err
}
h.vm = vm.NewVirtualMachine(ctx, sess, res.Result.(types.ManagedObjectReference))
c = newContainer(&h.containerBase)
Containers.Put(c)
// inform of creation irrespective of remaining operations
publishContainerEvent(c.ExecConfig.ID, time.Now().UTC(), events.ContainerCreated)
// clear the spec as we've acted on it - this prevents a reconfigure from occurring in follow-on
// processing
h.Spec = nil
}
// if we're stopping the VM, do so before the reconfigure to preserve the extraconfig
refresh := true
if h.TargetState() == StateStopped {
if h.Runtime == nil {
log.Warnf("Commit called with incomplete runtime state for %s", h.ExecConfig.ID)
}
if h.Runtime != nil && h.Runtime.PowerState == types.VirtualMachinePowerStatePoweredOff {
log.Infof("Dropping duplicate power off operation for %s", h.ExecConfig.ID)
} else {
// stop the container
if err := c.stop(ctx, waitTime); err != nil {
return err
}
// inform of creation irrespective of remaining operations
publishContainerEvent(h.ExecConfig.ID, time.Now().UTC(), events.ContainerStopped)
// we must refresh now to get the new ChangeVersion - this is used to gate on powerstate in the reconfigure
// because we cannot set the ExtraConfig if the VM is powered on. There is still a race here unfortunately because
// tasks don't appear to contain the new ChangeVersion
// we don't use refresh because we want to keep the extraconfig state
base, err := h.updates(ctx)
if err != nil {
// TODO: can we recover here, or at least set useful state for inspection?
return err
}
h.Runtime = base.Runtime
h.Config = base.Config
refresh = false
}
}
// reconfigure operation
if h.Spec != nil {
if h.Runtime == nil {
log.Errorf("Refusing to perform reconfigure operation with incomplete runtime state for %s", h.ExecConfig.ID)
} else {
// ensure that our logic based on Runtime state remains valid
// NOTE: this inline refresh can be removed when switching away from guestinfo where we have non-persistence issues
// when updating ExtraConfig via the API with a powered on VM - we therefore have to be absolutely certain about the
// power state to decide if we can continue without nilifying extraconfig
for s := h.Spec.Spec(); ; refresh, s = true, h.Spec.Spec() {
// FIXME!!! this is a temporary hack until the concurrent modification retry logic is in place
if refresh {
base, err := h.updates(ctx)
if err == nil {
h.Runtime = base.Runtime
h.Config = base.Config
}
}
s.ChangeVersion = h.Config.ChangeVersion
// nilify ExtraConfig if vm is running
if h.Runtime.PowerState == types.VirtualMachinePowerStatePoweredOn {
log.Errorf("Nilifying ExtraConfig as we are running")
s.ExtraConfig = nil
}
_, err := h.vm.WaitForResult(ctx, func(ctx context.Context) (tasks.Task, error) {
return h.vm.Reconfigure(ctx, *s)
})
if err != nil {
log.Errorf("Reconfigure failed with %#+v", err)
// Check whether we get ConcurrentAccess and wrap it if needed
if f, ok := err.(types.HasFault); ok {
switch f.Fault().(type) {
case *types.ConcurrentAccess:
log.Errorf("We have ConcurrentAccess for version %s", s.ChangeVersion)
continue
// return ConcurrentAccessError{err}
}
}
return err
}
break
}
}
}
// best effort update of container cache using committed state - this will not reflect the power on below, however
// this is primarily for updating ExtraConfig state.
if !creation {
defer c.RefreshFromHandle(ctx, h)
}
if h.TargetState() == StateRunning {
if h.Runtime != nil && h.Runtime.PowerState == types.VirtualMachinePowerStatePoweredOn {
log.Infof("Dropping duplicate power on operation for %s", h.ExecConfig.ID)
return nil
}
if h.Runtime == nil && !creation {
log.Warnf("Commit called with incomplete runtime state for %s", h.ExecConfig.ID)
}
// start the container
if err := c.start(ctx); err != nil {
return err
}
// inform of creation irrespective of remaining operations
publishContainerEvent(h.ExecConfig.ID, time.Now().UTC(), events.ContainerStarted)
}
return nil
}
func Init(ctx context.Context, sess *session.Session, source extraconfig.DataSource, _ extraconfig.DataSink) error {
initializer.once.Do(func() {
var err error
defer func() {
if err != nil {
initializer.err = err
}
}()
f := find.NewFinder(sess.Vim25(), false)
extraconfig.Decode(source, &Config)
log.Debugf("Decoded VCH config for execution: %#v", Config)
ccount := len(Config.ComputeResources)
if ccount != 1 {
err = fmt.Errorf("expected singular compute resource element, found %d", ccount)
log.Error(err)
return
}
cr := Config.ComputeResources[0]
var r object.Reference
r, err = f.ObjectReference(ctx, cr)
if err != nil {
err = fmt.Errorf("could not get resource pool or virtual app reference from %q: %s", cr.String(), err)
log.Error(err)
return
}
switch o := r.(type) {
case *object.VirtualApp:
Config.VirtualApp = o
Config.ResourcePool = o.ResourcePool
case *object.ResourcePool:
Config.ResourcePool = o
default:
err = fmt.Errorf("could not get resource pool or virtual app from reference %q: object type is wrong", cr.String())
log.Error(err)
return
}
// we want to monitor the cluster, so create a vSphere Event Collector
// The cluster managed object will either be a proper vSphere Cluster or
// a specific host when standalone mode
ec := vsphere.NewCollector(sess.Vim25(), sess.Cluster.Reference().String())
// start the collection of vsphere events
err = ec.Start()
if err != nil {
err = fmt.Errorf("%s failed to start: %s", ec.Name(), err)
log.Error(err)
return
}
// create the event manager & register the existing collector
Config.EventManager = event.NewEventManager(ec)
// subscribe the exec layer to the event stream for Vm events
Config.EventManager.Subscribe(events.NewEventType(vsphere.VMEvent{}).Topic(), "exec", eventCallback)
// subscribe callback to handle vm registered event
Config.EventManager.Subscribe(events.NewEventType(vsphere.VMEvent{}).Topic(), "registeredVMEvent", func(ie events.Event) {
registeredVMCallback(sess, ie)
})
// instantiate the container cache now
NewContainerCache()
// Grab the AboutInfo about our host environment
about := sess.Vim25().ServiceContent.About
Config.VCHMhz = NCPU(ctx)
Config.VCHMemoryLimit = MemTotal(ctx)
Config.HostOS = about.OsType
Config.HostOSVersion = about.Version
Config.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", Config.VCHMhz, Config.VCHMemoryLimit)
// sync container cache
if err = Containers.sync(ctx, sess); err != nil {
return
}
})
return initializer.err
}
// NewVirtualMachine returns a NewVirtualMachine object
func NewVirtualMachine(ctx context.Context, session *session.Session, moref types.ManagedObjectReference) *VirtualMachine {
return NewVirtualMachineFromVM(ctx, session, object.NewVirtualMachine(session.Vim25(), moref))
}
