60 lines
1.6 KiB
Go
60 lines
1.6 KiB
Go
/*
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Copyright 2022 The Kubernetes Authors.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package debug
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import (
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"fmt"
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corev1 "k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/runtime"
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)
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// profileLegacy represents the legacy debugging profile which is backwards-compatible with 1.23 behavior.
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func profileLegacy(pod *corev1.Pod, containerName string, target runtime.Object) error {
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switch target.(type) {
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case *corev1.Pod:
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// do nothing to the copied pod
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return nil
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case *corev1.Node:
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const volumeName = "host-root"
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pod.Spec.Volumes = append(pod.Spec.Volumes, corev1.Volume{
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Name: volumeName,
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VolumeSource: corev1.VolumeSource{
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HostPath: &corev1.HostPathVolumeSource{Path: "/"},
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},
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})
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for i := range pod.Spec.Containers {
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container := &pod.Spec.Containers[i]
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if container.Name != containerName {
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continue
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}
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container.VolumeMounts = append(container.VolumeMounts, corev1.VolumeMount{
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MountPath: "/host",
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Name: volumeName,
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})
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}
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pod.Spec.HostIPC = true
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pod.Spec.HostNetwork = true
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pod.Spec.HostPID = true
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return nil
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default:
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return fmt.Errorf("the %s profile doesn't support objects of type %T", ProfileLegacy, target)
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}
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}
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