From e1cf7896fd4870f6033c9fffd55416e32134ba45 Mon Sep 17 00:00:00 2001
From: Florian Lemaitre <flemaitre@aneo.fr>
Date: Fri, 27 Dec 2024 09:50:54 +0100
Subject: [PATCH] add script to force delete a namespace

---
 tools/force-delete-namespace.sh | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100755 tools/force-delete-namespace.sh

diff --git a/tools/force-delete-namespace.sh b/tools/force-delete-namespace.sh
new file mode 100755
index 000000000..579d97e55
--- /dev/null
+++ b/tools/force-delete-namespace.sh
@@ -0,0 +1,32 @@
+#! /bin/sh
+
+namespace="${1:?Namespace not defined}"
+
+echo -n "Force deleting a namespace can leave some resources associated to the namespace alive.\nAre you sure you want to delete the namespace \`$namespace\`? [y/N] " >&2
+
+read -r answer
+
+case "$answer" in
+  y|Y|yes|Yes)
+    echo "Deleting namespace \`$namespace\`"
+    ;;
+  n|N|no|No|"")
+    echo Abort >&2
+    exit 1
+    ;;
+  *)
+    echo "Unrecognized answer \`$answer\`: it should be either yes or no.\nAbort" >&2
+    exit 2
+    ;;
+esac
+
+kubectl delete namespaces "$namespace" --force --grace-period=0 --timeout=10s || {
+  kubectl proxy --port=1337 & pid=$!
+  sleep 1
+
+  curl -fsS "http://localhost:1337/api/v1/namespaces/$namespace" |
+    jq '.spec.finalizers = []' |
+    curl -fsS -XPUT -H 'Content-Type: application/json' "http://localhost:1337/api/v1/namespaces/$namespace/finalize" -d @-
+
+  kill $pid
+}