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types/config/context.go
2018-09-18 18:17:26 -07:00

453 lines
11 KiB
Go

package config
import (
"context"
"github.com/pkg/errors"
"github.com/rancher/norman/controller"
"github.com/rancher/norman/event"
"github.com/rancher/norman/restwatch"
"github.com/rancher/norman/signal"
"github.com/rancher/norman/store/proxy"
"github.com/rancher/norman/types"
appsv1beta2 "github.com/rancher/types/apis/apps/v1beta2"
batchv1 "github.com/rancher/types/apis/batch/v1"
batchv1beta1 "github.com/rancher/types/apis/batch/v1beta1"
clusterSchema "github.com/rancher/types/apis/cluster.cattle.io/v3/schema"
corev1 "github.com/rancher/types/apis/core/v1"
extv1beta1 "github.com/rancher/types/apis/extensions/v1beta1"
managementv3 "github.com/rancher/types/apis/management.cattle.io/v3"
managementSchema "github.com/rancher/types/apis/management.cattle.io/v3/schema"
knetworkingv1 "github.com/rancher/types/apis/networking.k8s.io/v1"
projectv3 "github.com/rancher/types/apis/project.cattle.io/v3"
projectSchema "github.com/rancher/types/apis/project.cattle.io/v3/schema"
rbacv1 "github.com/rancher/types/apis/rbac.authorization.k8s.io/v1"
"github.com/rancher/types/config/dialer"
"github.com/rancher/types/peermanager"
"github.com/rancher/types/user"
"github.com/sirupsen/logrus"
"k8s.io/api/core/v1"
"k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/client-go/dynamic"
"k8s.io/client-go/kubernetes"
typedcorev1 "k8s.io/client-go/kubernetes/typed/core/v1"
"k8s.io/client-go/rest"
"k8s.io/client-go/tools/record"
)
var (
UserStorageContext types.StorageContext = "user"
ManagementStorageContext types.StorageContext = "mgmt"
)
type ScaledContext struct {
ClientGetter proxy.ClientGetter
LocalConfig *rest.Config
RESTConfig rest.Config
UnversionedClient rest.Interface
K8sClient kubernetes.Interface
APIExtClient clientset.Interface
Schemas *types.Schemas
AccessControl types.AccessControl
Dialer dialer.Factory
UserManager user.Manager
PeerManager peermanager.PeerManager
Management managementv3.Interface
Project projectv3.Interface
RBAC rbacv1.Interface
Core corev1.Interface
}
func (c *ScaledContext) controllers() []controller.Starter {
return []controller.Starter{
c.Management,
c.Project,
c.RBAC,
c.Core,
}
}
func (c *ScaledContext) NewManagementContext() (*ManagementContext, error) {
mgmt, err := NewManagementContext(c.RESTConfig)
if err != nil {
return nil, err
}
mgmt.Dialer = c.Dialer
mgmt.UserManager = c.UserManager
return mgmt, nil
}
func NewScaledContext(config rest.Config) (*ScaledContext, error) {
var err error
context := &ScaledContext{
RESTConfig: config,
}
context.Management, err = managementv3.NewForConfig(config)
if err != nil {
return nil, err
}
context.Project, err = projectv3.NewForConfig(config)
if err != nil {
return nil, err
}
context.K8sClient, err = kubernetes.NewForConfig(&config)
if err != nil {
return nil, err
}
context.RBAC, err = rbacv1.NewForConfig(config)
if err != nil {
return nil, err
}
context.Core, err = corev1.NewForConfig(config)
if err != nil {
return nil, err
}
context.Project, err = projectv3.NewForConfig(config)
if err != nil {
return nil, err
}
dynamicConfig := config
if dynamicConfig.NegotiatedSerializer == nil {
configConfig := dynamic.ContentConfig()
dynamicConfig.NegotiatedSerializer = configConfig.NegotiatedSerializer
}
context.UnversionedClient, err = restwatch.UnversionedRESTClientFor(&dynamicConfig)
if err != nil {
return nil, err
}
context.APIExtClient, err = clientset.NewForConfig(&dynamicConfig)
if err != nil {
return nil, err
}
context.Schemas = types.NewSchemas().
AddSchemas(managementSchema.Schemas).
AddSchemas(clusterSchema.Schemas).
AddSchemas(projectSchema.Schemas)
return context, err
}
func (c *ScaledContext) Start(ctx context.Context) error {
logrus.Info("Starting API controllers")
return controller.SyncThenStart(ctx, 5, c.controllers()...)
}
type ManagementContext struct {
eventBroadcaster record.EventBroadcaster
ClientGetter proxy.ClientGetter
LocalConfig *rest.Config
RESTConfig rest.Config
UnversionedClient rest.Interface
K8sClient kubernetes.Interface
APIExtClient clientset.Interface
Events record.EventRecorder
EventLogger event.Logger
Schemas *types.Schemas
Scheme *runtime.Scheme
Dialer dialer.Factory
UserManager user.Manager
Management managementv3.Interface
Project projectv3.Interface
RBAC rbacv1.Interface
Core corev1.Interface
}
func (c *ManagementContext) controllers() []controller.Starter {
return []controller.Starter{
c.Management,
c.Project,
c.RBAC,
c.Core,
}
}
type UserContext struct {
Management *ManagementContext
ClusterName string
RESTConfig rest.Config
UnversionedClient rest.Interface
APIExtClient clientset.Interface
K8sClient kubernetes.Interface
Apps appsv1beta2.Interface
Project projectv3.Interface
Core corev1.Interface
RBAC rbacv1.Interface
Extensions extv1beta1.Interface
BatchV1 batchv1.Interface
BatchV1Beta1 batchv1beta1.Interface
Networking knetworkingv1.Interface
}
func (w *UserContext) controllers() []controller.Starter {
return []controller.Starter{
w.Apps,
w.Project,
w.Core,
w.RBAC,
w.Extensions,
w.BatchV1,
w.BatchV1Beta1,
w.Networking,
}
}
func (w *UserContext) UserOnlyContext() *UserOnlyContext {
return &UserOnlyContext{
Schemas: w.Management.Schemas,
ClusterName: w.ClusterName,
RESTConfig: w.RESTConfig,
UnversionedClient: w.UnversionedClient,
K8sClient: w.K8sClient,
Apps: w.Apps,
Project: w.Project,
Core: w.Core,
RBAC: w.RBAC,
Extensions: w.Extensions,
BatchV1: w.BatchV1,
BatchV1Beta1: w.BatchV1Beta1,
}
}
type UserOnlyContext struct {
Schemas *types.Schemas
ClusterName string
RESTConfig rest.Config
UnversionedClient rest.Interface
K8sClient kubernetes.Interface
Apps appsv1beta2.Interface
Project projectv3.Interface
Core corev1.Interface
RBAC rbacv1.Interface
Extensions extv1beta1.Interface
BatchV1 batchv1.Interface
BatchV1Beta1 batchv1beta1.Interface
}
func (w *UserOnlyContext) controllers() []controller.Starter {
return []controller.Starter{
w.Apps,
w.Project,
w.Core,
w.RBAC,
w.Extensions,
w.BatchV1,
w.BatchV1Beta1,
}
}
func NewManagementContext(config rest.Config) (*ManagementContext, error) {
var err error
context := &ManagementContext{
RESTConfig: config,
}
context.Management, err = managementv3.NewForConfig(config)
if err != nil {
return nil, err
}
context.Project, err = projectv3.NewForConfig(config)
if err != nil {
return nil, err
}
context.K8sClient, err = kubernetes.NewForConfig(&config)
if err != nil {
return nil, err
}
context.RBAC, err = rbacv1.NewForConfig(config)
if err != nil {
return nil, err
}
context.Core, err = corev1.NewForConfig(config)
if err != nil {
return nil, err
}
context.Project, err = projectv3.NewForConfig(config)
if err != nil {
return nil, err
}
dynamicConfig := config
if dynamicConfig.NegotiatedSerializer == nil {
configConfig := dynamic.ContentConfig()
dynamicConfig.NegotiatedSerializer = configConfig.NegotiatedSerializer
}
context.UnversionedClient, err = restwatch.UnversionedRESTClientFor(&dynamicConfig)
if err != nil {
return nil, err
}
context.APIExtClient, err = clientset.NewForConfig(&dynamicConfig)
if err != nil {
return nil, err
}
context.Schemas = types.NewSchemas().
AddSchemas(managementSchema.Schemas).
AddSchemas(clusterSchema.Schemas).
AddSchemas(projectSchema.Schemas)
context.Scheme = runtime.NewScheme()
managementv3.AddToScheme(context.Scheme)
projectv3.AddToScheme(context.Scheme)
context.eventBroadcaster = record.NewBroadcaster()
context.Events = context.eventBroadcaster.NewRecorder(context.Scheme, v1.EventSource{
Component: "CattleManagementServer",
})
context.EventLogger = event.NewLogger(context.Events)
return context, err
}
func (c *ManagementContext) Start(ctx context.Context) error {
logrus.Info("Starting management controllers")
watcher := c.eventBroadcaster.StartRecordingToSink(&typedcorev1.EventSinkImpl{
Interface: c.K8sClient.CoreV1().Events(""),
})
go func() {
<-ctx.Done()
watcher.Stop()
}()
return controller.SyncThenStart(ctx, 50, c.controllers()...)
}
func (c *ManagementContext) StartAndWait() error {
ctx := signal.SigTermCancelContext(context.Background())
c.Start(ctx)
<-ctx.Done()
return ctx.Err()
}
func NewUserContext(scaledContext *ScaledContext, config rest.Config, clusterName string) (*UserContext, error) {
var err error
context := &UserContext{
RESTConfig: config,
ClusterName: clusterName,
}
context.Management, err = scaledContext.NewManagementContext()
if err != nil {
return nil, err
}
context.K8sClient, err = kubernetes.NewForConfig(&config)
if err != nil {
return nil, err
}
_, err = context.K8sClient.Discovery().ServerVersion()
if err != nil {
return nil, errors.Wrap(err, "could not contact server")
}
context.Apps, err = appsv1beta2.NewForConfig(config)
if err != nil {
return nil, err
}
context.Core, err = corev1.NewForConfig(config)
if err != nil {
return nil, err
}
context.Project, err = projectv3.NewForConfig(config)
if err != nil {
return nil, err
}
context.RBAC, err = rbacv1.NewForConfig(config)
if err != nil {
return nil, err
}
context.Networking, err = knetworkingv1.NewForConfig(config)
if err != nil {
return nil, err
}
context.Extensions, err = extv1beta1.NewForConfig(config)
if err != nil {
return nil, err
}
context.BatchV1, err = batchv1.NewForConfig(config)
if err != nil {
return nil, err
}
context.BatchV1Beta1, err = batchv1beta1.NewForConfig(config)
if err != nil {
return nil, err
}
dynamicConfig := config
if dynamicConfig.NegotiatedSerializer == nil {
configConfig := dynamic.ContentConfig()
dynamicConfig.NegotiatedSerializer = configConfig.NegotiatedSerializer
}
context.UnversionedClient, err = restwatch.UnversionedRESTClientFor(&dynamicConfig)
if err != nil {
return nil, err
}
context.APIExtClient, err = clientset.NewForConfig(&dynamicConfig)
if err != nil {
return nil, err
}
return context, err
}
func (w *UserContext) Start(ctx context.Context) error {
logrus.Info("Starting cluster controllers for ", w.ClusterName)
controllers := w.Management.controllers()
controllers = append(controllers, w.controllers()...)
return controller.SyncThenStart(ctx, 5, controllers...)
}
func (w *UserContext) StartAndWait(ctx context.Context) error {
ctx = signal.SigTermCancelContext(ctx)
w.Start(ctx)
<-ctx.Done()
return ctx.Err()
}
func (w *UserOnlyContext) Start(ctx context.Context) error {
logrus.Info("Starting workload controllers")
return controller.SyncThenStart(ctx, 5, w.controllers()...)
}
func (w *UserOnlyContext) StartAndWait(ctx context.Context) error {
ctx = signal.SigTermCancelContext(ctx)
w.Start(ctx)
<-ctx.Done()
return ctx.Err()
}