[node operator] self-initialize resources

Signed-off-by: Malte Poll <mp@edgeless.systems>

operators/constellation-node-operator/internal/azure/client/scaleset.go

@@ -0,0 +1,26 @@
+package client
+
+import (
+	"context"
+	"fmt"
+)
+
+// getScaleSets retrieves the IDs of all scale sets of a resource group.
+func (c *Client) getScaleSets(ctx context.Context) ([]string, error) {
+	pager := c.scaleSetsAPI.NewListPager(c.config.ResourceGroup, nil)
+	var scaleSets []string
+
+	for pager.More() {
+		page, err := pager.NextPage(ctx)
+		if err != nil {
+			return nil, fmt.Errorf("paging scale sets: %w", err)
+		}
+		for _, scaleSet := range page.Value {
+			if scaleSet == nil || scaleSet.ID == nil {
+				continue
+			}
+			scaleSets = append(scaleSets, *scaleSet.ID)
+		}
+	}
+	return scaleSets, nil
+}