mirror of
https://github.com/coreos/prometheus-operator.git
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54 lines
1.4 KiB
Go
54 lines
1.4 KiB
Go
// Copyright 2024 The prometheus-operator Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package framework
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import (
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"context"
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"errors"
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"fmt"
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"time"
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v1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/util/wait"
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)
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// Nodes returns the list of nodes in the cluster.
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func (f *Framework) Nodes(ctx context.Context) ([]v1.Node, error) {
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var (
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loopErr error
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nodes *v1.NodeList
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)
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err := wait.PollUntilContextTimeout(ctx, time.Second, time.Minute*1, true, func(_ context.Context) (bool, error) {
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nodes, loopErr = f.KubeClient.CoreV1().Nodes().List(context.Background(), metav1.ListOptions{})
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if loopErr != nil {
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return false, nil
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}
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if len(nodes.Items) < 1 {
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loopErr = errors.New("no nodes returned")
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return false, nil
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}
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return true, nil
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})
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if err != nil {
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return nil, fmt.Errorf("failed to list nodes: %v: %v", err, loopErr)
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}
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return nodes.Items, nil
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}
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