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a95a5b43bf
- Kubernetes v1.26 on VKE causes error when creating persistent volume claim because of uppercase characters in name field This patch is trivial just in order to get it working - happy to implement differently. The error in question: ``` The PersistentVolumeClaim "wp-01G1131R63FWBSPMA4ZAZTKLE-0-clone-0" is invalid: metadata.name: Invalid value: "wp-01G1131R63FWBSPMA4ZAZTKLE-0-clone-0": a lowercase RFC 1123 subdomain must consist of lower case alphanumeric characters, '-' or '.', and must start and end with an alphanumeric character (e.g. 'example.com', regex used for validation is '[a-z0-9]([-a-z0-9]*[a-z0-9])?(\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*') ```
67 lines
1.5 KiB
Go
67 lines
1.5 KiB
Go
package kubernetes
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import (
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"errors"
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"os"
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"regexp"
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"strings"
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v1 "k8s.io/api/core/v1"
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"k8s.io/client-go/kubernetes"
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"k8s.io/client-go/rest"
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"k8s.io/client-go/tools/clientcmd"
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)
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var (
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dnsPattern = regexp.MustCompile(`^[a-z0-9]([-a-z0-9]*[a-z0-9])?(\\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*$`)
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ErrDNSPatternInvalid = errors.New("name is not a valid kubernetes DNS name")
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)
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func dnsName(i string) (string, error) {
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res := strings.Replace(i, "_", "-", -1)
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if found := dnsPattern.FindStringIndex(res); found == nil {
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return "", ErrDNSPatternInvalid
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}
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return res, nil
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}
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func isImagePullBackOffState(pod *v1.Pod) bool {
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for _, containerState := range pod.Status.ContainerStatuses {
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if containerState.State.Waiting != nil {
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if containerState.State.Waiting.Reason == "ImagePullBackOff" {
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return true
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}
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}
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}
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return false
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}
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// getClientOutOfCluster returns a k8s clientset to the request from outside of cluster
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func getClientOutOfCluster() (kubernetes.Interface, error) {
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kubeconfigPath := os.Getenv("KUBECONFIG")
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if kubeconfigPath == "" {
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kubeconfigPath = os.Getenv("HOME") + "/.kube/config"
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}
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// use the current context in kubeconfig
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config, err := clientcmd.BuildConfigFromFlags("", kubeconfigPath)
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if err != nil {
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return nil, err
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}
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return kubernetes.NewForConfig(config)
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}
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// getClient returns a k8s clientset to the request from inside of cluster
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func getClientInsideOfCluster() (kubernetes.Interface, error) {
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config, err := rest.InClusterConfig()
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if err != nil {
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return nil, err
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}
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return kubernetes.NewForConfig(config)
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}
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