From 2238d43564d8eb11927419065aa6853fcb887335 Mon Sep 17 00:00:00 2001
From: Tobias Brunner <tobias@tobru.ch>
Date: Fri, 31 Mar 2023 23:06:49 +0200
Subject: [PATCH] add fancy debug pod script

---
 hack/start-debug-pod.sh | 65 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100755 hack/start-debug-pod.sh

diff --git a/hack/start-debug-pod.sh b/hack/start-debug-pod.sh
new file mode 100755
index 0000000..813d580
--- /dev/null
+++ b/hack/start-debug-pod.sh
@@ -0,0 +1,65 @@
+#!/bin/bash
+
+# Usage: start-debug-pod.sh <pvc-name> <namespace>
+
+# Validate input parameters
+if [ $# -ne 2 ]; then
+  echo "Usage: start-debug-pod.sh <pvc-name> <namespace>"
+  exit 1
+fi
+
+PVC_NAME=$1
+NAMESPACE=$2
+
+if [ -z "$PVC_NAME" ] || [ -z "$NAMESPACE" ]; then
+  echo "PVC name and namespace cannot be empty"
+  exit 1
+fi
+
+# Check if namespace exists
+if ! kubectl get namespace "$NAMESPACE" > /dev/null 2>&1; then
+  echo "Namespace $NAMESPACE does not exist"
+  exit 1
+fi
+
+# Check if PVC exists in the specified namespace
+if ! kubectl get pvc "$PVC_NAME" -n "$NAMESPACE" > /dev/null 2>&1; then
+  echo "PVC $PVC_NAME does not exist in namespace $NAMESPACE"
+  exit 1
+fi
+
+# Define the name of the debug pod
+DEBUG_POD_NAME="debug-pod-$PVC_NAME"
+
+# Create the YAML file for the debug pod
+kubectl apply -f - <<EOF
+apiVersion: v1
+kind: Pod
+metadata:
+  name: $DEBUG_POD_NAME
+  namespace: $NAMESPACE
+spec:
+  containers:
+  - name: debug-container
+    image: busybox
+    imagePullPolicy: IfNotPresent
+    command: ["/bin/sleep", "3600"]
+    volumeMounts:
+    - name: your-pvc
+      mountPath: /mnt/data
+    terminationMessagePath: /dev/termination-log
+    terminationMessagePolicy: File
+  volumes:
+  - name: your-pvc
+    persistentVolumeClaim:
+      claimName: $PVC_NAME
+  terminationGracePeriodSeconds: 30
+EOF
+
+# Wait for the pod to be ready
+kubectl wait --for=condition=Ready pod/$DEBUG_POD_NAME -n $NAMESPACE
+
+# Open a shell inside the debug pod
+kubectl exec -it $DEBUG_POD_NAME -n $NAMESPACE -- /bin/sh
+
+trap 'kubectl delete pod $DEBUG_POD_NAME -n $NAMESPACE' EXIT