mirror of
https://github.com/edgelesssys/constellation.git
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39 lines
897 B
Go
39 lines
897 B
Go
/*
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Copyright (c) Edgeless Systems GmbH
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SPDX-License-Identifier: AGPL-3.0-only
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*/
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package controlplane
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import (
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"context"
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"fmt"
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corev1 "k8s.io/api/core/v1"
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"sigs.k8s.io/controller-runtime/pkg/client"
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nodeutil "github.com/edgelesssys/constellation/v2/operators/constellation-node-operator/internal/node"
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)
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// ListControlPlaneIPs retrieves a list of VPC IPs for the control plane nodes from kubernetes.
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func ListControlPlaneIPs(k8sClient client.Client) ([]string, error) {
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var nodes corev1.NodeList
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if err := k8sClient.List(context.TODO(), &nodes); err != nil {
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return nil, fmt.Errorf("listing nodes: %w", err)
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}
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var ips []string
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for _, node := range nodes.Items {
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if !nodeutil.IsControlPlaneNode(&node) {
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continue
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}
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for _, addr := range node.Status.Addresses {
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if addr.Type == corev1.NodeInternalIP {
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ips = append(ips, addr.Address)
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}
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}
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}
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return ips, nil
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}
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