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
}
}
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")
}
}
// 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)
}
}
// 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
}
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 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 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
}
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
}
// 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
}
