Add dry-run mode and other minor nits

This commit is contained in:
Sam Stoelinga 2022-07-21 13:56:03 -07:00
parent c59890e05b
commit 59e58c140c

View File

@ -5,14 +5,20 @@ import (
"log"
"os"
"github.com/kubernetes-sigs/pspmigrator"
"github.com/manifoldco/promptui"
"github.com/olekukonko/tablewriter"
"github.com/kubernetes-sigs/pspmigrator"
"github.com/spf13/cobra"
v1 "k8s.io/api/core/v1"
psaApi "k8s.io/pod-security-admission/api"
)
var DryRun bool
func init() {
MigrateCmd.Flags().BoolVarP(&DryRun, "dry-run", "d", true, "Set dry run to true to not apply any changes")
}
var MigrateCmd = &cobra.Command{
Use: "migrate",
Short: "Interactive command to migrate from PSP to PSA ",
@ -26,7 +32,7 @@ var MigrateCmd = &cobra.Command{
for _, pod := range pods.Items {
mutated, _, err := pspmigrator.IsPodBeingMutatedByPSP(&pod, clientset)
if err != nil {
log.Println(err)
log.Fatalln(err)
}
if mutated {
mutatedPods = append(mutatedPods, pod)
@ -34,8 +40,9 @@ var MigrateCmd = &cobra.Command{
}
if len(mutatedPods) > 0 {
fmt.Println("The table below shows the pods that were mutated by a PSP object")
// TODO: Group pods by controller to remove duplicate pods
table := tablewriter.NewWriter(os.Stdout)
table.SetHeader([]string{"Name", "Namespace", "PSP"})
table.SetHeader([]string{"Pod Name", "Namespace", "PSP"})
for _, pod := range mutatedPods {
if pspName, ok := pod.ObjectMeta.Annotations["kubernetes.io/psp"]; ok {
table.Append([]string{pod.Name, pod.Namespace, pspName})
@ -73,21 +80,26 @@ var MigrateCmd = &cobra.Command{
suggested = psaApi.LevelPrivileged
}
fmt.Printf("Suggest using %v in namespace %v\n", suggested, namespace.Name)
skipStr := "skip, continue with next namespace"
prompt := promptui.Select{
Label: fmt.Sprintf("Select control mode for %v on namespace %v", suggested, namespace.Name),
Items: []string{"enforce", "audit", skipStr},
if DryRun == true {
fmt.Printf("In dry-run mode so not applying any changes. You can run this ")
fmt.Printf("command again with --dry-run=false to apply %v on namespace %v\n", suggested, namespace.Name)
} else {
skipStr := "skip, continue with next namespace"
prompt := promptui.Select{
Label: fmt.Sprintf("Select control mode for %v on namespace %v", suggested, namespace.Name),
Items: []string{"enforce", "audit", skipStr},
}
_, control, err := prompt.Run()
if err != nil {
fmt.Println("error occured getting enforcement mode", err)
}
if control == skipStr {
continue
}
ApplyPSSLevel(&namespace, suggested, control)
fmt.Printf("Applied pod security level %v on namespace %v in %v control mode\n", suggested, namespace.Name, control)
fmt.Printf("Review the labels by running `kubectl get ns %v -o yaml`\n", namespace.Name)
}
_, control, err := prompt.Run()
if err != nil {
fmt.Println("error occured getting enforcement mode", err)
}
if control == skipStr {
continue
}
ApplyPSSLevel(&namespace, suggested, control)
fmt.Printf("Applied pod security level %v on namespace %v in %v control mode\n", suggested, namespace.Name, control)
fmt.Printf("Review the labels by running `kubectl get ns %v -o yaml`\n", namespace.Name)
}
fmt.Println("Done with migrating namespaces with pods to PSA")