I had a need to delete a number of Namespaces all at once that were created as part of some automated platform testing.
Each namespace had a common naming convention starting with “e2e”, the below command will get all namespaces without the initial returned header line from Kubectl, look for anything with the pattern “e2e” using the awk command, and print them to a variable $1, xargs then uses each object in the variable array into the “kubectl delete ns”
kubectl get ns --no-headers=true | awk '/e2e/{print $1}'| xargs kubectl delete ns
You can also do the same for deleting pods. The below command, would delete any pods with “veducate” in their name, you would need to input the necessary namespace.
kubectl get pods -n {namespace} --no-headers=true | awk '/veducate/{print $1}'| xargs kubectl delete -n {namespace} pod
Quick link to this Stackoverflow post which pointed me in the right direction, I just had to modify it from pods to namespaces as the use case.
Regards
