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