/
apply.go
77 lines (64 loc) · 2 KB
/
apply.go
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// SPDX-FileCopyrightText: 2022 SAP SE or an SAP affiliate company and Open Component Model contributors.
//
// SPDX-License-Identifier: Apache-2.0
package install
import (
"bufio"
"fmt"
"os"
"github.com/fluxcd/cli-utils/pkg/kstatus/polling"
"github.com/fluxcd/pkg/ssa"
"github.com/fluxcd/pkg/ssa/utils"
corev1 "k8s.io/api/core/v1"
apiextensionsv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
apiruntime "k8s.io/apimachinery/pkg/runtime"
"k8s.io/cli-runtime/pkg/genericclioptions"
"sigs.k8s.io/controller-runtime/pkg/client"
)
func readObjects(manifestPath string) ([]*unstructured.Unstructured, error) {
fi, err := os.Lstat(manifestPath)
if err != nil {
return nil, err
}
if fi.IsDir() || !fi.Mode().IsRegular() {
return nil, fmt.Errorf("expected %q to be a file", manifestPath)
}
ms, err := os.Open(manifestPath)
if err != nil {
return nil, err
}
defer ms.Close()
return utils.ReadObjects(bufio.NewReader(ms))
}
// ownerRef contains the server-side apply field manager and ownership labels group.
var ownerRef = ssa.Owner{
Field: "ocm",
Group: "ocm-controller.delivery.ocm.software",
}
// NewResourceManager creates a ResourceManager for the given cluster.
func NewResourceManager(rcg genericclioptions.RESTClientGetter) (*ssa.ResourceManager, error) {
cfg, err := rcg.ToRESTConfig()
if err != nil {
return nil, fmt.Errorf("loading kubeconfig failed: %w", err)
}
// bump limits
cfg.QPS = 100.0
cfg.Burst = 300
restMapper, err := rcg.ToRESTMapper()
if err != nil {
return nil, err
}
kubeClient, err := client.New(cfg, client.Options{Mapper: restMapper, Scheme: newScheme()})
if err != nil {
return nil, err
}
kubePoller := polling.NewStatusPoller(kubeClient, restMapper, polling.Options{})
return ssa.NewResourceManager(kubeClient, kubePoller, ownerRef), nil
}
func newScheme() *apiruntime.Scheme {
scheme := apiruntime.NewScheme()
_ = apiextensionsv1.AddToScheme(scheme)
_ = corev1.AddToScheme(scheme)
return scheme
}