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* Feat: discover unused PVs * support multi and all
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,31 @@ | ||
| package kor | ||
|
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| import ( | ||
| "fmt" | ||
|
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| "github.com/spf13/cobra" | ||
| "github.com/yonahd/kor/pkg/kor" | ||
| "github.com/yonahd/kor/pkg/utils" | ||
| ) | ||
|
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| var pvCmd = &cobra.Command{ | ||
| Use: "persistentvolume", | ||
| Aliases: []string{"pv", "persistentvolumes"}, | ||
| Short: "Gets unused pvs", | ||
| Args: cobra.NoArgs, | ||
| Run: func(cmd *cobra.Command, args []string) { | ||
| clientset := kor.GetKubeClient(kubeconfig) | ||
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| if response, err := kor.GetUnusedPvs(filterOptions, clientset, outputFormat, opts); err != nil { | ||
| fmt.Println(err) | ||
| } else { | ||
| utils.PrintLogo(outputFormat) | ||
| fmt.Println(response) | ||
| } | ||
|
|
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| }, | ||
| } | ||
|
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| func init() { | ||
| rootCmd.AddCommand(pvCmd) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,89 @@ | ||
| package kor | ||
|
|
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| import ( | ||
| "bytes" | ||
| "context" | ||
| "encoding/json" | ||
| "fmt" | ||
| "os" | ||
|
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| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/client-go/kubernetes" | ||
| _ "k8s.io/client-go/plugin/pkg/client/auth/oidc" | ||
| ) | ||
|
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| func processPvs(clientset kubernetes.Interface, filterOpts *FilterOptions) ([]string, error) { | ||
| pvs, err := clientset.CoreV1().PersistentVolumes().List(context.TODO(), metav1.ListOptions{}) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
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| var unusedPvs []string | ||
|
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| for _, pv := range pvs.Items { | ||
| if pv.Labels["kor/used"] == "true" { | ||
| continue | ||
| } | ||
|
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| if excluded, _ := HasExcludedLabel(pv.Labels, filterOpts.ExcludeLabels); excluded { | ||
| continue | ||
| } | ||
|
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| if included, _ := HasIncludedAge(pv.CreationTimestamp, filterOpts); !included { | ||
| continue | ||
| } | ||
|
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| if pv.Status.Phase != "Bound" { | ||
| unusedPvs = append(unusedPvs, pv.Name) | ||
| } | ||
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| } | ||
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| return unusedPvs, nil | ||
|
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| } | ||
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| func GetUnusedPvs(filterOpts *FilterOptions, clientset kubernetes.Interface, outputFormat string, opts Opts) (string, error) { | ||
| var outputBuffer bytes.Buffer | ||
| response := make(map[string]map[string][]string) | ||
|
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| diff, err := processPvs(clientset, filterOpts) | ||
| if err != nil { | ||
| fmt.Fprintf(os.Stderr, "Failed to process pvs: %v\n", err) | ||
| } | ||
|
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| if len(diff) > 0 { | ||
| // We consider cluster scope resources in "" (empty string) namespace, as it is common in k8s | ||
| if response[""] == nil { | ||
| response[""] = make(map[string][]string) | ||
| } | ||
| response[""]["Pv"] = diff | ||
| } | ||
|
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| if opts.DeleteFlag { | ||
| if diff, err = DeleteResource(diff, clientset, "", "PV", opts.NoInteractive); err != nil { | ||
| fmt.Fprintf(os.Stderr, "Failed to delete PV %s: %v\n", diff, err) | ||
| } | ||
| } | ||
|
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| output := FormatOutput("", diff, "PVs", opts) | ||
| if output != "" { | ||
| outputBuffer.WriteString(output) | ||
| outputBuffer.WriteString("\n") | ||
|
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| response[""]["Pv"] = diff | ||
|
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| } | ||
|
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| jsonResponse, err := json.MarshalIndent(response, "", " ") | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
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| unusedPvs, err := unusedResourceFormatter(outputFormat, outputBuffer, opts, jsonResponse) | ||
| if err != nil { | ||
| fmt.Printf("err: %v\n", err) | ||
| } | ||
|
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| return unusedPvs, nil | ||
| } |
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