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Do not tap pods whose names start with "mizu-". (#176)

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This commit is contained in:
Nimrod Gilboa Markevich
2021-08-08 10:51:39 +03:00
committed by GitHub
parent 7f2021c312
commit ebbe6458a8
3 changed files with 27 additions and 12 deletions
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18
cli/cmd/tapRunner.go
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@@ -419,7 +419,8 @@ func updateCurrentlyTappedPods(kubernetesProvider *kubernetes.Provider, ctx cont
if matchingPods, err := kubernetesProvider.ListAllRunningPodsMatchingRegex(ctx, mizu.Config.Tap.PodRegex(), targetNamespaces); err != nil {
return err, false
} else {
addedPods, removedPods := getPodArrayDiff(state.currentlyTappedPods, matchingPods)
podsToTap := excludeMizuPods(matchingPods)
addedPods, removedPods := getPodArrayDiff(state.currentlyTappedPods, podsToTap)
for _, addedPod := range addedPods {
changeFound = true
mizu.Log.Infof(uiUtils.Green, fmt.Sprintf("+%s", addedPod.Name))
@@ -428,12 +429,25 @@ func updateCurrentlyTappedPods(kubernetesProvider *kubernetes.Provider, ctx cont
changeFound = true
mizu.Log.Infof(uiUtils.Red, fmt.Sprintf("-%s", removedPod.Name))
}
state.currentlyTappedPods = matchingPods
state.currentlyTappedPods = podsToTap
}
return nil, changeFound
}
func excludeMizuPods(pods []core.Pod) []core.Pod {
mizuPrefixRegex := regexp.MustCompile("^" + mizu.MizuResourcesPrefix)
nonMizuPods := make([]core.Pod, 0)
for _, pod := range pods {
if !mizuPrefixRegex.MatchString(pod.Name) {
nonMizuPods = append(nonMizuPods, pod)
}
}
return nonMizuPods
}
func getPodArrayDiff(oldPods []core.Pod, newPods []core.Pod) (added []core.Pod, removed []core.Pod) {
added = getMissingPods(newPods, oldPods)
removed = getMissingPods(oldPods, newPods)