add kfk

check-charts/racnher/scripts/post-delete-hook.sh

@@ -0,0 +1,94 @@
+#!/bin/bash
+
+set -e
+
+namespaces="${NAMESPACES}"
+rancher_namespace="${RANCHER_NAMESPACE}"
+timeout="${TIMEOUT}"
+ignoreTimeoutError="${IGNORETIMEOUTERROR}"
+
+if [[ -z ${namespaces} ]]; then
+  echo "No namespace is provided."
+  exit 1
+fi
+
+if [[ -z ${rancher_namespace} ]]; then
+  echo "No rancher namespace is provided."
+  exit 1
+fi
+
+if [[ -z ${timeout} ]]; then
+  echo "No timeout value is provided."
+  exit 1
+fi
+
+if [[ -z ${ignoreTimeoutError} ]]; then
+  echo "No ignoreTimeoutError value is provided."
+  exit 1
+fi
+
+succeeded=()
+failed=()
+
+get_pod_count() {
+  kubectl get pods --selector app="${1}" -n "${2}" -o json | jq '.items | length'
+}
+
+echo "Uninstalling Rancher resources in the following namespaces: ${namespaces}"
+
+for namespace in ${namespaces}; do
+  for app in $(helm list -n "${namespace}" -q); do
+    if [[ ${app} =~ .crd$ ]]; then
+      echo "--- Skip the app [${app}] in the namespace [${namespace}]"
+      continue
+    fi
+    echo "--- Deleting the app [${app}] in the namespace [${namespace}]"
+    if [[ ! $(helm uninstall "${app}" -n "${namespace}") ]]; then
+      failed=("${failed[@]}" "${app}")
+      continue
+    fi
+
+    t=0
+    while true; do
+      if [[ $(get_pod_count "${app}" "${namespace}") -eq 0 ]]; then
+        echo "successfully uninstalled [${app}] in the namespace [${namespace}]"
+        succeeded=("${succeeded[@]}" "${app}")
+        break
+      fi
+      if [[ ${t} -ge ${timeout} ]]; then
+        echo "timeout uninstalling [${app}] in the namespace [${namespace}]"
+        failed=("${failed[@]}" "${app}")
+        break
+      fi
+      # by default, wait 120 seconds in total for an app to be uninstalled
+      echo "waiting 5 seconds for pods of [${app}] to be terminated ..."
+      sleep 5
+      t=$((t + 5))
+    done
+  done
+
+  # delete the helm operator pods
+  for pod in $(kubectl get pods -n "${namespace}" -o name); do
+    if [[ ${pod} =~ ^pod\/helm-operation-* ]]; then
+      echo "--- Deleting the pod [${pod}] in the namespace [${namespace}]"
+      kubectl delete "${pod}" -n "${namespace}"
+    fi
+  done
+done
+
+echo "Removing Rancher bootstrap secret in the following namespace: ${rancher_namespace}"
+kubectl --ignore-not-found=true delete secret bootstrap-secret -n "${rancher_namespace}"
+
+echo "------ Summary ------"
+if [[ ${#succeeded[@]} -ne 0 ]]; then
+  echo "Succeeded to uninstall the following apps:" "${succeeded[@]}"
+fi
+
+if [[ ${#failed[@]} -ne 0 ]]; then
+  echo "Failed to uninstall the following apps:" "${failed[@]}"
+  if [[ "${ignoreTimeoutError}" == "false" ]]; then
+    exit 2
+  fi
+else
+  echo "Cleanup finished successfully."
+fi