Git-Mirrors/constellation
1
0
Fork 0
mirror of https://github.com/edgelesssys/constellation.git synced 2025-05-04 23:35:11 -04:00
Code Issues Projects Releases Packages Wiki Activity

Deploy operator-lifecycle-manager (OLM), node-maintenance-operator (NMO) and constellation-node-operator

Browse source 
Signed-off-by: Malte Poll <mp@edgeless.systems>
This commit is contained in:
Malte Poll 2022-08-04 16:15:52 +02:00 • committed by Malte Poll
parent 18a89d2881
commit 2c7129987a
23 changed files with 8756 additions and 32 deletions
Download patch file Download diff file Expand all files Collapse all files

49
bootstrapper/internal/kubernetes/k8sapi/kubectl/client/client.go
View file

@ -7,10 +7,13 @@ import (
"github.com/edgelesssys/constellation/bootstrapper/internal/kubernetes/k8sapi/resources"
corev1 "k8s.io/api/core/v1"
apiextensionsv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
apiextensionsclientv1 "k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset/typed/apiextensions/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/watch"
"k8s.io/cli-runtime/pkg/resource"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/tools/clientcmd"
@ -21,8 +24,9 @@ const fieldManager = "constellation-bootstrapper"
// Client implements k8sapi.Client interface and talks to the Kubernetes API.
type Client struct {
clientset kubernetes.Interface
builder *resource.Builder
clientset kubernetes.Interface
apiextensionClient apiextensionsclientv1.ApiextensionsV1Interface
builder *resource.Builder
}
// New creates a new Client, talking to the real k8s API.
@ -36,13 +40,18 @@ func New(config []byte) (*Client, error) {
return nil, fmt.Errorf("creating k8s client from kubeconfig: %w", err)
}
apiextensionClient, err := apiextensionsclientv1.NewForConfig(clientConfig)
if err != nil {
return nil, fmt.Errorf("creating api extension client from kubeconfig: %w", err)
}
restClientGetter, err := newRESTClientGetter(config)
if err != nil {
return nil, fmt.Errorf("creating k8s RESTClientGetter from kubeconfig: %w", err)
}
builder := resource.NewBuilder(restClientGetter).Unstructured()
return &Client{clientset: clientset, builder: builder}, nil
return &Client{clientset: clientset, apiextensionClient: apiextensionClient, builder: builder}, nil
}
// ApplyOneObject uses server-side apply to send unstructured JSON blobs to the server and let it handle the core logic.
@ -147,3 +156,37 @@ func (c *Client) AddNodeSelectorsToDeployment(ctx context.Context, selectors map
}
return nil
}
// WaitForCRD waits for the given CRD to be established.
func (c *Client) WaitForCRD(ctx context.Context, crd string) error {
watcher, err := c.apiextensionClient.CustomResourceDefinitions().Watch(ctx, metav1.ListOptions{
FieldSelector: fmt.Sprintf("metadata.name=%s", crd),
})
if err != nil {
return err
}
defer watcher.Stop()
for event := range watcher.ResultChan() {
switch event.Type {
case watch.Added, watch.Modified:
crd := event.Object.(*apiextensionsv1.CustomResourceDefinition)
if crdHasCondition(crd.Status.Conditions, apiextensionsv1.Established) {
return nil
}
case watch.Deleted:
return fmt.Errorf("crd %q deleted", crd)
case watch.Error:
return fmt.Errorf("crd %q error: %v", crd, event.Object)
}
}
return fmt.Errorf("crd %q not established", crd)
}
func crdHasCondition(conditions []apiextensionsv1.CustomResourceDefinitionCondition, conditionType apiextensionsv1.CustomResourceDefinitionConditionType) bool {
for _, condition := range conditions {
if condition.Type == conditionType && condition.Status == apiextensionsv1.ConditionTrue {
return true
}
}
return false
}