mirror of https://github.com/istio/istio.io.git
58 lines
1.6 KiB
Go
58 lines
1.6 KiB
Go
// Copyright Istio 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 istioio
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import (
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"errors"
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"fmt"
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"sort"
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"strings"
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"k8s.io/client-go/tools/clientcmd"
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"istio.io/istio/pkg/test/framework"
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"istio.io/istio/pkg/test/framework/components/environment/kube"
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)
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func getKubeConfig(ctx framework.TestContext) string {
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kubeEnv := ctx.Environment().(*kube.Environment)
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if ctx.Clusters().IsMulticluster() {
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return strings.Join(kubeEnv.Settings().KubeConfig, ":")
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}
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return kubeEnv.Settings().KubeConfig[0]
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}
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func getKubeContext(clientCmd clientcmd.ClientConfig) (string, error) {
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raw, err := clientCmd.RawConfig()
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if err != nil {
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return "", fmt.Errorf("failed retrieving raw config: %v", err)
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}
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if len(raw.CurrentContext) != 0 {
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return raw.CurrentContext, nil
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}
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// Gather all the context names and sort.
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contexts := make([]string, 0, len(raw.Contexts))
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for name := range raw.Contexts {
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contexts = append(contexts, name)
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}
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sort.Strings(contexts)
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if len(contexts) > 0 {
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return contexts[0], nil
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}
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return "", errors.New("no contexts available")
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}
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