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k8supdates: label nodes with k8s component hash

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This commit is contained in:
Leonard Cohnen 2022-12-06 18:48:01 +01:00 • committed by 3u13r
parent 1466c12972
commit a1161ae05d
30 changed files with 869 additions and 18 deletions
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38
joinservice/internal/kubernetes/kubernetes.go
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@ -15,13 +15,17 @@ import (
"github.com/edgelesssys/constellation/v2/internal/versions"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/client-go/dynamic"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/rest"
)
// Client is a kubernetes client.
type Client struct {
client *kubernetes.Clientset
client *kubernetes.Clientset
dynClient dynamic.Interface
}
// New creates a new kubernetes client.
@ -36,7 +40,13 @@ func New() (*Client, error) {
if err != nil {
return nil, fmt.Errorf("failed to create clientset: %w", err)
}
return &Client{client: clientset}, nil
dynClient, err := dynamic.NewForConfig(config)
if err != nil {
return nil, fmt.Errorf("failed to create dynamic client: %w", err)
}
return &Client{client: clientset, dynClient: dynClient}, nil
}
// GetComponents returns the components of the cluster.
@ -70,6 +80,30 @@ func (c *Client) CreateConfigMap(ctx context.Context, configMap corev1.ConfigMap
return nil
}
// AddNodeToJoiningNodes adds the provided node as a joining node CRD.
func (c *Client) AddNodeToJoiningNodes(ctx context.Context, nodeName string, componentsHash string) error {
joiningNodeResource := schema.GroupVersionResource{Group: "update.edgeless.systems", Version: "v1alpha1", Resource: "joiningnodes"}
joiningNode := &unstructured.Unstructured{}
joiningNode.SetUnstructuredContent(map[string]any{
"apiVersion": "update.edgeless.systems/v1alpha1",
"kind": "JoiningNode",
"metadata": map[string]any{
"name": nodeName,
},
"spec": map[string]any{
"name": nodeName,
"componentshash": componentsHash,
},
})
_, err := c.dynClient.Resource(joiningNodeResource).Apply(ctx, joiningNode.GetName(), joiningNode, metav1.ApplyOptions{FieldManager: "join-service"})
if err != nil {
return fmt.Errorf("failed to create joining node: %w", err)
}
return nil
}
// AddReferenceToK8sVersionConfigMap adds a reference to the provided configmap to the k8s version configmap.
func (c *Client) AddReferenceToK8sVersionConfigMap(ctx context.Context, k8sVersionsConfigMapName string, componentsConfigMapName string) error {
cm, err := c.client.CoreV1().ConfigMaps("kube-system").Get(ctx, k8sVersionsConfigMapName, metav1.GetOptions{})