/
server.go
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/
server.go
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// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
package server
import (
"context"
"fmt"
"log"
"reflect"
"time"
"github.com/siderolabs/grpc-proxy/proxy"
"google.golang.org/grpc"
corev1 "k8s.io/api/core/v1"
apierrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/types"
"k8s.io/client-go/tools/record"
"k8s.io/client-go/tools/reference"
clusterv1 "sigs.k8s.io/cluster-api/api/v1beta1"
clusterctl "sigs.k8s.io/cluster-api/cmd/clusterctl/api/v1alpha3"
"sigs.k8s.io/cluster-api/util/conditions"
"sigs.k8s.io/cluster-api/util/patch"
controllerclient "sigs.k8s.io/controller-runtime/pkg/client"
metalv1 "github.com/siderolabs/sidero/app/sidero-controller-manager/api/v1alpha2"
"github.com/siderolabs/sidero/app/sidero-controller-manager/internal/api"
"github.com/siderolabs/sidero/app/sidero-controller-manager/pkg/constants"
)
type server struct {
api.UnimplementedAgentServer
autoAccept bool
insecureWipe bool
autoBMC bool
c controllerclient.Client
scheme *runtime.Scheme
recorder record.EventRecorder
rebootTimeout time.Duration
}
// CreateServer implements api.AgentServer.
func (s *server) CreateServer(ctx context.Context, in *api.CreateServerRequest) (*api.CreateServerResponse, error) {
obj := &metalv1.Server{}
uuid := in.GetHardware().GetSystem().GetUuid()
if err := s.c.Get(ctx, types.NamespacedName{Name: uuid}, obj); err != nil {
if !apierrors.IsNotFound(err) {
return nil, err
}
obj = &metalv1.Server{
TypeMeta: metav1.TypeMeta{
Kind: "Server",
APIVersion: metalv1.GroupVersion.Version,
},
ObjectMeta: metav1.ObjectMeta{
Name: uuid,
},
Spec: metalv1.ServerSpec{
Hardware: MapHardwareInformation(in.GetHardware()),
Hostname: in.GetHostname(),
Accepted: s.autoAccept,
},
}
if err = s.c.Create(ctx, obj); err != nil {
return nil, err
}
ref, err := reference.GetReference(s.scheme, obj)
if err != nil {
return nil, err
}
s.recorder.Event(ref, corev1.EventTypeNormal, "Server Registration", "Server auto-registered via API.")
log.Printf("Added %s", uuid)
}
resp := &api.CreateServerResponse{}
// Make BMC and wiping decisions only if server is accepted
// to avoid hijacking random devices that PXE boot against us.
if obj.Spec.Accepted {
// Respond to agent whether it should attempt bmc setup
// We will only tell it to attempt autoconfig if there's not already data there.
if obj.Spec.BMC == nil && s.autoBMC {
log.Printf("Server %q needs BMC setup", obj.Name)
resp.SetupBmc = true
}
// Only return a wipe directive is the server is not clean *AND* it has been accepted.
// This avoids the possibility of a random device PXE booting against us, registering, then getting blown away.
if !obj.Status.IsClean {
log.Printf("Server %q needs wipe", obj.Name)
resp.Wipe = true
resp.InsecureWipe = s.insecureWipe
resp.RebootTimeout = s.rebootTimeout.Seconds()
}
}
return resp, nil
}
// MarkServerAsWiped implements api.AgentServer.
func (s *server) MarkServerAsWiped(ctx context.Context, in *api.MarkServerAsWipedRequest) (*api.MarkServerAsWipedResponse, error) {
obj := &metalv1.Server{}
if err := s.c.Get(ctx, types.NamespacedName{Name: in.GetUuid()}, obj); err != nil {
return nil, err
}
patchHelper, err := patch.NewHelper(obj, s.c)
if err != nil {
return nil, err
}
obj.Status.IsClean = true
conditions.MarkTrue(obj, metalv1.ConditionPowerCycle)
if err := patchHelper.Patch(ctx, obj, patch.WithOwnedConditions{
Conditions: []clusterv1.ConditionType{metalv1.ConditionPowerCycle},
}); err != nil {
return nil, err
}
ref, err := reference.GetReference(s.scheme, obj)
if err != nil {
return nil, err
}
s.recorder.Event(ref, corev1.EventTypeNormal, "Server Wipe", "Server wiped via agent.")
resp := &api.MarkServerAsWipedResponse{}
return resp, nil
}
// ReconcileServerAddresses implements api.AgentServer.
func (s *server) ReconcileServerAddresses(ctx context.Context, in *api.ReconcileServerAddressesRequest) (*api.ReconcileServerAddressesResponse, error) {
obj := &metalv1.Server{}
if err := s.c.Get(ctx, types.NamespacedName{Name: in.GetUuid()}, obj); err != nil {
return nil, err
}
patchHelper, err := patch.NewHelper(obj, s.c)
if err != nil {
return nil, err
}
if func() bool {
oldIPs := make(map[corev1.NodeAddressType]map[string]struct{})
for _, addr := range obj.Status.Addresses {
if oldIPs[addr.Type] == nil {
oldIPs[addr.Type] = make(map[string]struct{})
}
oldIPs[addr.Type][addr.Address] = struct{}{}
}
newIPs := make(map[corev1.NodeAddressType]map[string]struct{})
for _, addr := range in.GetAddress() {
if newIPs[corev1.NodeAddressType(addr.GetType())] == nil {
newIPs[corev1.NodeAddressType(addr.GetType())] = make(map[string]struct{})
}
newIPs[corev1.NodeAddressType(addr.GetType())][addr.GetAddress()] = struct{}{}
}
changed := false
for typ := range newIPs {
if oldIPs[typ] == nil {
changed = true
break
}
if !reflect.DeepEqual(newIPs[typ], oldIPs[typ]) {
changed = true
break
}
}
if !changed {
return false
}
obj.Status.Addresses = nil
// overwrite any types submitted from the agent
for typ := range newIPs {
for addr := range newIPs[typ] {
obj.Status.Addresses = append(obj.Status.Addresses, corev1.NodeAddress{
Type: typ,
Address: addr,
})
}
}
// keep any types which were not sent by the agent
for typ := range oldIPs {
if newIPs[typ] != nil {
continue
}
for addr := range oldIPs[typ] {
obj.Status.Addresses = append(obj.Status.Addresses, corev1.NodeAddress{
Type: typ,
Address: addr,
})
}
}
return true
}() {
if err := patchHelper.Patch(ctx, obj); err != nil {
return nil, err
}
}
resp := &api.ReconcileServerAddressesResponse{}
return resp, nil
}
// Heartbeat implements api.AgentServer.
func (s *server) Heartbeat(ctx context.Context, in *api.HeartbeatRequest) (*api.HeartbeatResponse, error) {
obj := &metalv1.Server{}
if err := s.c.Get(ctx, types.NamespacedName{Name: in.GetUuid()}, obj); err != nil {
return nil, err
}
patchHelper, err := patch.NewHelper(obj, s.c)
if err != nil {
return nil, err
}
// remove the condition in case it was already set to make sure LastTransitionTime will be updated
conditions.Delete(obj, metalv1.ConditionPowerCycle)
conditions.MarkFalse(obj, metalv1.ConditionPowerCycle, "InProgress", clusterv1.ConditionSeverityInfo, "Server wipe in progress.")
if err := patchHelper.Patch(ctx, obj, patch.WithOwnedConditions{
Conditions: []clusterv1.ConditionType{metalv1.ConditionPowerCycle},
}); err != nil {
return nil, err
}
resp := &api.HeartbeatResponse{}
return resp, nil
}
func (s *server) UpdateBMCInfo(ctx context.Context, in *api.UpdateBMCInfoRequest) (*api.UpdateBMCInfoResponse, error) {
bmcInfo := in.GetBmcInfo()
// Fetch corresponding server
obj := &metalv1.Server{}
if err := s.c.Get(ctx, types.NamespacedName{Name: in.GetUuid()}, obj); err != nil {
return nil, err
}
// Create a BMC struct if non-existent
if obj.Spec.BMC == nil {
obj.Spec.BMC = &metalv1.BMC{}
}
// Update bmc info with IP if we've got it.
if ip := in.GetBmcInfo().GetIp(); ip != "" {
obj.Spec.BMC.Endpoint = ip
}
// Update bmc info with port
obj.Spec.BMC.Port = constants.DefaultBMCPort
port := in.GetBmcInfo().GetPort()
if port != 0 {
obj.Spec.BMC.Port = port
}
// Generate or update bmc secret if we have creds
if bmcInfo.User != "" && bmcInfo.Pass != "" {
// Create or update creds secret
credsSecret := &corev1.Secret{}
exists := true
// For auto-created BMC info, we will add the "move" label from clusterctl's labels.
// This ensures they'll come along for the ride in a clusterctl move.
bmcSecretName := in.GetUuid() + "-bmc"
if err := s.c.Get(ctx, types.NamespacedName{Namespace: corev1.NamespaceDefault, Name: bmcSecretName}, credsSecret); err != nil {
if !apierrors.IsNotFound(err) {
return nil, err
}
log.Printf("BMC secret doesn't exist for server %q, creating.", in.GetUuid())
credsSecret.ObjectMeta = metav1.ObjectMeta{
Namespace: corev1.NamespaceDefault,
Name: bmcSecretName,
OwnerReferences: []metav1.OwnerReference{
*metav1.NewControllerRef(obj, metalv1.GroupVersion.WithKind("Server")),
},
Labels: map[string]string{
clusterctl.ClusterctlMoveLabel: "",
},
}
exists = false
}
credsSecret.Data = map[string][]byte{
"user": []byte(in.GetBmcInfo().GetUser()),
"pass": []byte(in.GetBmcInfo().GetPass()),
}
if exists {
if err := s.c.Update(ctx, credsSecret); err != nil {
return nil, err
}
} else {
if err := s.c.Create(ctx, credsSecret); err != nil {
return nil, err
}
}
// Update server spec with pointers to endpoint and creds secret
obj.Spec.BMC.UserFrom = &metalv1.CredentialSource{
SecretKeyRef: &metalv1.SecretKeyRef{
Namespace: corev1.NamespaceDefault,
Name: bmcSecretName,
Key: "user",
},
}
obj.Spec.BMC.PassFrom = &metalv1.CredentialSource{
SecretKeyRef: &metalv1.SecretKeyRef{
Namespace: corev1.NamespaceDefault,
Name: bmcSecretName,
Key: "pass",
},
}
}
log.Printf("Updating server %q with BMC info", in.GetUuid())
if err := s.c.Update(ctx, obj); err != nil {
return nil, err
}
ref, err := reference.GetReference(s.scheme, obj)
if err != nil {
return nil, err
}
s.recorder.Event(ref, corev1.EventTypeNormal, "BMC Update", "BMC info updated via API.")
resp := &api.UpdateBMCInfoResponse{}
return resp, nil
}
func CreateServer(c controllerclient.Client, recorder record.EventRecorder, scheme *runtime.Scheme, autoAccept, insecureWipe, autoBMC bool, rebootTimeout time.Duration) *grpc.Server {
s := grpc.NewServer(
// proxy pass unknown requests to sub-components
grpc.CustomCodec(proxy.Codec()), //nolint:staticcheck
grpc.UnknownServiceHandler(
proxy.TransparentHandler(
director,
)),
)
api.RegisterAgentServer(s, &server{
autoAccept: autoAccept,
insecureWipe: insecureWipe,
autoBMC: autoBMC,
c: c,
scheme: scheme,
recorder: recorder,
rebootTimeout: rebootTimeout,
})
return s
}
func MapHardwareInformation(hw *api.HardwareInformation) *metalv1.HardwareInformation {
processors := make([]*metalv1.Processor, hw.GetCompute().GetProcessorCount())
for i, v := range hw.GetCompute().GetProcessors() {
processors[i] = &metalv1.Processor{
Manufacturer: v.GetManufacturer(),
ProductName: v.GetProductName(),
SerialNumber: v.GetSerialNumber(),
Speed: v.GetSpeed(),
CoreCount: v.GetCoreCount(),
ThreadCount: v.GetThreadCount(),
}
}
memoryModules := make([]*metalv1.MemoryModule, hw.GetMemory().GetModuleCount())
for i, v := range hw.GetMemory().GetModules() {
memoryModules[i] = &metalv1.MemoryModule{
Manufacturer: v.GetManufacturer(),
ProductName: v.GetProductName(),
SerialNumber: v.GetSerialNumber(),
Type: v.GetType(),
Size: v.GetSize(),
Speed: v.GetSpeed(),
}
}
storageDevices := make([]*metalv1.StorageDevice, hw.GetStorage().GetDeviceCount())
for i, v := range hw.GetStorage().GetDevices() {
storageDevices[i] = &metalv1.StorageDevice{
Type: v.GetType().String(),
Size: v.GetSize(),
Model: v.GetModel(),
Serial: v.GetSerial(),
Name: v.GetName(),
DeviceName: v.GetDeviceName(),
UUID: v.GetUuid(),
WWID: v.GetWwid(),
}
}
networkInterfaces := make([]*metalv1.NetworkInterface, hw.GetNetwork().GetInterfaceCount())
for i, v := range hw.GetNetwork().GetInterfaces() {
networkInterfaces[i] = &metalv1.NetworkInterface{
Index: v.GetIndex(),
Name: v.GetName(),
Flags: v.GetFlags(),
MTU: v.GetMtu(),
MAC: v.GetMac(),
Addresses: v.GetAddresses(),
}
}
return &metalv1.HardwareInformation{
System: &metalv1.SystemInformation{
Uuid: hw.GetSystem().GetUuid(),
Manufacturer: hw.GetSystem().GetManufacturer(),
ProductName: hw.GetSystem().GetProductName(),
Version: hw.GetSystem().GetVersion(),
SerialNumber: hw.GetSystem().GetSerialNumber(),
SKUNumber: hw.GetSystem().GetSkuNumber(),
Family: hw.GetSystem().GetFamily(),
},
Compute: &metalv1.ComputeInformation{
TotalCoreCount: hw.GetCompute().GetTotalCoreCount(),
TotalThreadCount: hw.GetCompute().GetTotalThreadCount(),
ProcessorCount: hw.GetCompute().GetProcessorCount(),
Processors: processors,
},
Memory: &metalv1.MemoryInformation{
TotalSize: fmt.Sprintf("%d GB", hw.GetMemory().GetTotalSize()/1024),
ModuleCount: hw.GetMemory().GetModuleCount(),
Modules: memoryModules,
},
Storage: &metalv1.StorageInformation{
TotalSize: fmt.Sprintf("%d GB", hw.GetStorage().GetTotalSize()/1024/1024/1024),
DeviceCount: hw.GetStorage().GetDeviceCount(),
Devices: storageDevices,
},
Network: &metalv1.NetworkInformation{
InterfaceCount: hw.GetNetwork().GetInterfaceCount(),
Interfaces: networkInterfaces,
},
}
}