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92 lines
2.9 KiB
92 lines
2.9 KiB
package server
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import (
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"context"
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"fmt"
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"os"
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"runtime"
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"github.com/k3s-io/helm-controller/pkg/generated/controllers/helm.cattle.io"
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"github.com/k3s-io/k3s/pkg/deploy"
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"github.com/k3s-io/k3s/pkg/generated/controllers/k3s.cattle.io"
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"github.com/k3s-io/k3s/pkg/version"
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"github.com/pkg/errors"
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"github.com/rancher/wrangler/pkg/apply"
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"github.com/rancher/wrangler/pkg/crd"
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"github.com/rancher/wrangler/pkg/generated/controllers/apps"
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"github.com/rancher/wrangler/pkg/generated/controllers/batch"
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"github.com/rancher/wrangler/pkg/generated/controllers/core"
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"github.com/rancher/wrangler/pkg/generated/controllers/rbac"
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"github.com/rancher/wrangler/pkg/start"
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"github.com/sirupsen/logrus"
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"k8s.io/apimachinery/pkg/apis/meta/v1/validation"
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"k8s.io/client-go/kubernetes"
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"k8s.io/client-go/rest"
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"k8s.io/client-go/tools/clientcmd"
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)
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type Context struct {
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K3s *k3s.Factory
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Helm *helm.Factory
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Batch *batch.Factory
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Apps *apps.Factory
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Auth *rbac.Factory
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Core *core.Factory
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K8s kubernetes.Interface
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Apply apply.Apply
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}
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func (c *Context) Start(ctx context.Context) error {
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return start.All(ctx, 5, c.K3s, c.Helm, c.Apps, c.Auth, c.Batch, c.Core)
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}
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func NewContext(ctx context.Context, cfg string) (*Context, error) {
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restConfig, err := clientcmd.BuildConfigFromFlags("", cfg)
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if err != nil {
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return nil, err
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}
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// Construct a custom user-agent string for the apply client used by the deploy controller
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// so that we can track which node's deploy controller most recently modified a resource.
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nodeName := os.Getenv("NODE_NAME")
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managerName := deploy.ControllerName + "@" + nodeName
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if nodeName == "" || len(managerName) > validation.FieldManagerMaxLength {
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logrus.Warn("Deploy controller node name is empty or too long, and will not be tracked via server side apply field management")
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managerName = deploy.ControllerName
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}
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restConfig.UserAgent = fmt.Sprintf("%s/%s (%s/%s) %s/%s", managerName, version.Version, runtime.GOOS, runtime.GOARCH, version.Program, version.GitCommit)
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if err := crds(ctx, restConfig); err != nil {
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return nil, errors.Wrap(err, "failed to register CRDs")
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}
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k8s, err := kubernetes.NewForConfig(restConfig)
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if err != nil {
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return nil, err
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}
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return &Context{
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K3s: k3s.NewFactoryFromConfigOrDie(restConfig),
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Helm: helm.NewFactoryFromConfigOrDie(restConfig),
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K8s: k8s,
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Auth: rbac.NewFactoryFromConfigOrDie(restConfig),
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Apps: apps.NewFactoryFromConfigOrDie(restConfig),
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Batch: batch.NewFactoryFromConfigOrDie(restConfig),
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Core: core.NewFactoryFromConfigOrDie(restConfig),
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Apply: apply.New(k8s, apply.NewClientFactory(restConfig)).WithDynamicLookup(),
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}, nil
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}
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func crds(ctx context.Context, config *rest.Config) error {
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factory, err := crd.NewFactoryFromClient(config)
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if err != nil {
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return err
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}
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factory.BatchCreateCRDs(ctx, crd.NamespacedTypes(
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"Addon.k3s.cattle.io/v1",
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"HelmChart.helm.cattle.io/v1",
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"HelmChartConfig.helm.cattle.io/v1")...)
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return factory.BatchWait()
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}
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