Getting all resources in namespace

1
2
3

kubectl api-resources --verbs=list --namespaced -o name \
  | xargs -n 1 kubectl get --show-kind --ignore-not-found \
  -l <label>=<value> -n $namespace

Remove terminating namespace

  • using remove-terminating-namespace.sh to remove the namespace that is stuck in the status Terminating
 1
 2
 3
 4
 5
 6
 7
 8
 9
10

# remove-terminating-namespace.sh
if [[ $# -ne 1 ]]; then
  echo "Please input only namespace name"
  exit 1
fi
ns=$1
kubectl get ns ${ns} -o json > tmp.json
cat ./tmp.json | jq 'del(.spec.finalizers[])' > ./modify.json
kubectl replace --raw "/api/v1/namespaces/${ns}/finalize" -f ./modify.json
rm -f tmp.json modify.json
  • While yor need to delete multiple Terminating namespaces
1
2
3
4

namespace="$(kubectl get ns | grep Ter | awk {'print $1'})"
for ns in $namespace
    do ./remove-terminating-namespace.sh $ns; 
done

Delete all of some resources (if resources deletion is stuck)

  • Delete certain k8s resource
1
2
3
4
5

secrets="$(kubectl get secrets -n gitea | grep gitea | awk '{print $1}')"
for secret in $secrets
do
    kubectl delete secrets $secret -n gitea
done
  • Delete k8s resource including Custom Resources
1
2
3
4
5
6
7

namespace=test
resource_name=VirtualService
resources="$(kubectl get $resource_name -n $namespace | awk '{if (NR!=1) print $1}')"
for resource in $resources
do
    kubectl patch $resource_name $resource -p '{"metadata":{"finalizers":null}}' --type=merge -n $namespace
done
  • Delete all of Velero Backups stucks in InProgress
1
2
3
4
5

pending_backup=$(velero backup get -n velero | grep InProgress | awk '{print $1}')
for resource in $pending_backup
do
    velero backup delete $resource -n velero
done