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k3s/pkg/server/context.go

95 lines
2.8 KiB

package server
import (
"context"
helmcrd "github.com/k3s-io/helm-controller/pkg/crd"
"github.com/k3s-io/helm-controller/pkg/generated/controllers/helm.cattle.io"
addoncrd "github.com/k3s-io/k3s/pkg/crd"
"github.com/k3s-io/k3s/pkg/generated/controllers/k3s.cattle.io"
"github.com/k3s-io/k3s/pkg/util"
"github.com/k3s-io/k3s/pkg/version"
"github.com/pkg/errors"
"github.com/rancher/wrangler/v3/pkg/crd"
"github.com/rancher/wrangler/v3/pkg/generated/controllers/apps"
"github.com/rancher/wrangler/v3/pkg/generated/controllers/batch"
"github.com/rancher/wrangler/v3/pkg/generated/controllers/core"
"github.com/rancher/wrangler/v3/pkg/generated/controllers/rbac"
"github.com/rancher/wrangler/v3/pkg/start"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/rest"
"k8s.io/client-go/tools/clientcmd"
"k8s.io/client-go/tools/record"
)
type Context struct {
K3s *k3s.Factory
Helm *helm.Factory
Batch *batch.Factory
Apps *apps.Factory
Auth *rbac.Factory
Core *core.Factory
K8s kubernetes.Interface
Event record.EventRecorder
}
func (c *Context) Start(ctx context.Context) error {
return start.All(ctx, 5, c.K3s, c.Helm, c.Apps, c.Auth, c.Batch, c.Core)
}
func NewContext(ctx context.Context, config *Config, forServer bool) (*Context, error) {
cfg := config.ControlConfig.Runtime.KubeConfigAdmin
if forServer {
cfg = config.ControlConfig.Runtime.KubeConfigSupervisor
}
restConfig, err := clientcmd.BuildConfigFromFlags("", cfg)
if err != nil {
return nil, err
}
restConfig.UserAgent = util.GetUserAgent(version.Program + "-supervisor")
k8s, err := kubernetes.NewForConfig(restConfig)
if err != nil {
return nil, err
}
var recorder record.EventRecorder
if forServer {
recorder = util.BuildControllerEventRecorder(k8s, version.Program+"-supervisor", metav1.NamespaceAll)
if err := registerCrds(ctx, config, restConfig); err != nil {
return nil, errors.Wrap(err, "failed to register CRDs")
}
}
return &Context{
K3s: k3s.NewFactoryFromConfigOrDie(restConfig),
Helm: helm.NewFactoryFromConfigOrDie(restConfig),
K8s: k8s,
Auth: rbac.NewFactoryFromConfigOrDie(restConfig),
Apps: apps.NewFactoryFromConfigOrDie(restConfig),
Batch: batch.NewFactoryFromConfigOrDie(restConfig),
Core: core.NewFactoryFromConfigOrDie(restConfig),
Event: recorder,
}, nil
}
func registerCrds(ctx context.Context, config *Config, restConfig *rest.Config) error {
factory, err := crd.NewFactoryFromClient(restConfig)
if err != nil {
return err
}
factory.BatchCreateCRDs(ctx, crds(config)...)
return factory.BatchWait()
}
func crds(config *Config) []crd.CRD {
defaultCrds := addoncrd.List()
if !config.ControlConfig.DisableHelmController {
defaultCrds = append(defaultCrds, helmcrd.List()...)
}
return defaultCrds
}