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manager.go
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manager.go
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package manager
import (
"context"
"github.com/go-logr/logr"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/client-go/rest"
"k8s.io/klog/v2"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/cluster"
"sigs.k8s.io/controller-runtime/pkg/config"
"sigs.k8s.io/controller-runtime/pkg/controller"
"sigs.k8s.io/controller-runtime/pkg/healthz"
"sigs.k8s.io/controller-runtime/pkg/manager"
"sigs.k8s.io/controller-runtime/pkg/webhook"
"sync"
)
var _ SkrManager = &skrManager{}
type SkrManager interface {
manager.Manager
KymaRef() klog.ObjectRef
}
func New(cfg *rest.Config, skrScheme *runtime.Scheme, kymaRef klog.ObjectRef, logger logr.Logger) (SkrManager, error) {
cls, err := cluster.New(cfg, func(clusterOptions *cluster.Options) {
clusterOptions.Scheme = skrScheme
clusterOptions.Logger = logger
clusterOptions.Client = client.Options{
Cache: &client.CacheOptions{
Unstructured: true,
},
}
})
if err != nil {
return nil, err
}
return &skrManager{
Cluster: cls,
kymaRef: kymaRef,
logger: logger,
}, nil
}
type skrManager struct {
cluster.Cluster
kymaRef klog.ObjectRef
logger logr.Logger
controllers []manager.Runnable
}
func (m *skrManager) KymaRef() klog.ObjectRef {
return m.kymaRef
}
func (m *skrManager) Start(ctx context.Context) error {
m.logger.Info("SkrManager starting")
m.controllers = append(m.controllers, m.Cluster)
var wg sync.WaitGroup
for _, r := range m.controllers {
rr := r
wg.Add(1)
go func() {
defer wg.Done()
err := rr.Start(ctx)
if err != nil {
logger := m.logger
if ctrl, ok := rr.(controller.Controller); ok {
logger = ctrl.GetLogger()
}
logger.Error(err, "error starting controller")
return
}
}()
}
<-ctx.Done()
wg.Wait()
m.logger.Info("SkrManager stopped")
return nil
}
func (m *skrManager) Add(runnable manager.Runnable) error {
m.controllers = append(m.controllers, runnable)
return nil
}
func (m *skrManager) Elected() <-chan struct{} {
//TODO implement me
panic("implement me")
}
func (m *skrManager) AddHealthzCheck(name string, check healthz.Checker) error {
//TODO implement me
panic("implement me")
}
func (m *skrManager) AddReadyzCheck(name string, check healthz.Checker) error {
//TODO implement me
panic("implement me")
}
func (m *skrManager) GetWebhookServer() webhook.Server {
//TODO implement me
panic("implement me")
}
func (m *skrManager) GetLogger() logr.Logger {
return m.logger
}
func (m *skrManager) GetControllerOptions() config.Controller {
resulut := config.Controller{
GroupKindConcurrency: nil,
MaxConcurrentReconciles: 1,
CacheSyncTimeout: 0,
RecoverPanic: nil,
NeedLeaderElection: nil,
}
return resulut
}