Automation Suite
2021.10
偽
- 概要
- 要件
- インストール
- インストール後
- クラスターの管理
- 監視とアラート機能
- 移行とアップグレード
- 製品固有の設定
- ベストプラクティスとメンテナンス
- トラブルシューティング
- 移行後にログインできない
- 管理ポータルのタイムアウト期間を設定する
- 基になるディレクトリ接続を更新する
- Kinit: Cannot Find KDC for Realm <AD Domain> While Getting Initial Credentials
- kinit: Keytab contains no suitable keys for *** while getting initial credentials
- GSSAPI operation failed with error: An invalid status code was supplied (Client's credentials have been revoked).
- Login Failed for User <ADDOMAIN><aduser>.Reason: The Account Is Disabled.
- Alarm received for failed kerberos-tgt-update job
- SSPI Provider: Server not found in Kerberos database
- Automation Suite 診断ツールを使用する
- Automation Suite サポート バンドル ツールを使用する
- ログを確認する
クラスターをアンインストールする方法
Automation Suite インストール ガイド
最終更新日 2024年4月19日
クラスターをアンインストールする方法
クラスターで実行されている Kubernetes に固有の問題が発生した場合は、rke2 クラスターを直接アンインストールできます。 そのためには、以下の手順に従ってください。
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インストール プロファイルに応じて、次のいずれかのコマンドを実行します。
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オンライン設定では、次のスクリプトをクラスターの各ノードで管理者特権 (つまり、
sudo
) で実行します。これによりノードがアンインストールされます。function remove_rke2_entry_from_exclude() { local current_exclude_list new_exclude_list YUM_CONF_FILE=$1 if [[ ! -s "${YUM_CONF_FILE}" ]]; then # File is empty return fi current_exclude_list=$(grep 'exclude=' "${YUM_CONF_FILE}" | tail -1) if echo "$current_exclude_list" | grep -q 'rke2-*'; then if [[ -w ${YUM_CONF_FILE} ]]; then new_exclude_list=$(printf '%s\n' "${current_exclude_list//rke2-* /}") new_exclude_list=$(printf '%s\n' "${new_exclude_list//rke2-*,/}") new_exclude_list=$(printf '%s\n' "${new_exclude_list//rke2-\*/}") sed -i "/exclude=.*rke2-\*/d" "${YUM_CONF_FILE}" echo "${new_exclude_list}" >> "${YUM_CONF_FILE}" else error "${YUM_CONF_FILE} file is readonly and contains rke2-* under package exclusion. Please remove the entry for AS to work." fi fi } function enable_rke2_package_upgrade() { remove_rke2_entry_from_exclude /etc/dnf/dnf.conf remove_rke2_entry_from_exclude /etc/yum.conf } enable_rke2_package_upgrade service_exists() { local n=$1 if [[ $(systemctl list-units --all -t service --full --no-legend "$n.service" | cut -f1 -d' ') == $n.service ]]; then return 0 else return 1 fi } if service_exists rke2-server; then systemctl stop rke2-server systemctl disable rke2-server fi if service_exists rke2-agent; then systemctl stop rke2-agent systemctl disable rke2-agent fi if [ -e /usr/bin/rke2-killall.sh ] then echo "Running rke2-killall.sh" /usr/bin/rke2-killall.sh > /dev/null else echo "File not found: rke2-killall.sh" fi if [ -e /usr/bin/rke2-uninstall.sh ] then echo "Running rke2-uninstall.sh" /usr/bin/rke2-uninstall.sh > /dev/null else echo "File not found: rke2-uninstall.sh" fi crontab -l > backupcron sed -i '/backupjob/d' backupcron > /dev/null crontab backupcron > /dev/null rm -rf backupcron > /dev/null rm -rfv /usr/bin/backupjob > /dev/null rm -rfv /etc/rancher/ > /dev/null rm -rfv /var/lib/rook/ > /dev/null rm -rfv /var/lib/longhorn/ > /dev/null rm -rfv /var/lib/rancher/rke2/server/db/* > /dev/null umount -l -f /var/lib/rancher/rke2/server/db > /dev/null 2>&1 || true rm -rfv /var/lib/rancher/* > /dev/null umount -l -f /var/lib/rancher rm -rfv /var/lib/rancher/* > /dev/null while ! rm -rfv /var/lib/kubelet/* > /dev/null; do findmnt --list --submounts -n -o TARGET --target /var/lib/kubelet | grep '/var/lib/kubelet/plugins' | xargs -r umount -f -l sleep 5 done umount -l -f /var/lib/kubelet rm -rfv /var/lib/kubelet/* > /dev/null rm -rfv /datadisk/* > /dev/null umount -l -f /datadisk rm -rfv /datadisk/* > /dev/null rm -rfv ~/.uipath/* > /dev/null mount /var/lib/rancher mkdir -p /var/lib/rancher/rke2/server/db/ && mount -a rm -rfv /var/lib/rancher/rke2/server/db/* > /dev/null echo "Uninstall RKE complete."
function remove_rke2_entry_from_exclude() { local current_exclude_list new_exclude_list YUM_CONF_FILE=$1 if [[ ! -s "${YUM_CONF_FILE}" ]]; then # File is empty return fi current_exclude_list=$(grep 'exclude=' "${YUM_CONF_FILE}" | tail -1) if echo "$current_exclude_list" | grep -q 'rke2-*'; then if [[ -w ${YUM_CONF_FILE} ]]; then new_exclude_list=$(printf '%s\n' "${current_exclude_list//rke2-* /}") new_exclude_list=$(printf '%s\n' "${new_exclude_list//rke2-*,/}") new_exclude_list=$(printf '%s\n' "${new_exclude_list//rke2-\*/}") sed -i "/exclude=.*rke2-\*/d" "${YUM_CONF_FILE}" echo "${new_exclude_list}" >> "${YUM_CONF_FILE}" else error "${YUM_CONF_FILE} file is readonly and contains rke2-* under package exclusion. Please remove the entry for AS to work." fi fi } function enable_rke2_package_upgrade() { remove_rke2_entry_from_exclude /etc/dnf/dnf.conf remove_rke2_entry_from_exclude /etc/yum.conf } enable_rke2_package_upgrade service_exists() { local n=$1 if [[ $(systemctl list-units --all -t service --full --no-legend "$n.service" | cut -f1 -d' ') == $n.service ]]; then return 0 else return 1 fi } if service_exists rke2-server; then systemctl stop rke2-server systemctl disable rke2-server fi if service_exists rke2-agent; then systemctl stop rke2-agent systemctl disable rke2-agent fi if [ -e /usr/bin/rke2-killall.sh ] then echo "Running rke2-killall.sh" /usr/bin/rke2-killall.sh > /dev/null else echo "File not found: rke2-killall.sh" fi if [ -e /usr/bin/rke2-uninstall.sh ] then echo "Running rke2-uninstall.sh" /usr/bin/rke2-uninstall.sh > /dev/null else echo "File not found: rke2-uninstall.sh" fi crontab -l > backupcron sed -i '/backupjob/d' backupcron > /dev/null crontab backupcron > /dev/null rm -rf backupcron > /dev/null rm -rfv /usr/bin/backupjob > /dev/null rm -rfv /etc/rancher/ > /dev/null rm -rfv /var/lib/rook/ > /dev/null rm -rfv /var/lib/longhorn/ > /dev/null rm -rfv /var/lib/rancher/rke2/server/db/* > /dev/null umount -l -f /var/lib/rancher/rke2/server/db > /dev/null 2>&1 || true rm -rfv /var/lib/rancher/* > /dev/null umount -l -f /var/lib/rancher rm -rfv /var/lib/rancher/* > /dev/null while ! rm -rfv /var/lib/kubelet/* > /dev/null; do findmnt --list --submounts -n -o TARGET --target /var/lib/kubelet | grep '/var/lib/kubelet/plugins' | xargs -r umount -f -l sleep 5 done umount -l -f /var/lib/kubelet rm -rfv /var/lib/kubelet/* > /dev/null rm -rfv /datadisk/* > /dev/null umount -l -f /datadisk rm -rfv /datadisk/* > /dev/null rm -rfv ~/.uipath/* > /dev/null mount /var/lib/rancher mkdir -p /var/lib/rancher/rke2/server/db/ && mount -a rm -rfv /var/lib/rancher/rke2/server/db/* > /dev/null echo "Uninstall RKE complete." -
オフライン設定では、次のスクリプトをクラスターの各ノードで管理者特権 (つまり、
sudo
) で実行します。これによりノードがアンインストールされます。function remove_rke2_entry_from_exclude() { local current_exclude_list new_exclude_list YUM_CONF_FILE=$1 if [[ ! -s "${YUM_CONF_FILE}" ]]; then # File is empty return fi current_exclude_list=$(grep 'exclude=' "${YUM_CONF_FILE}" | tail -1) if echo "$current_exclude_list" | grep -q 'rke2-*'; then if [[ -w ${YUM_CONF_FILE} ]]; then new_exclude_list=$(printf '%s\n' "${current_exclude_list//rke2-* /}") new_exclude_list=$(printf '%s\n' "${new_exclude_list//rke2-*,/}") new_exclude_list=$(printf '%s\n' "${new_exclude_list//rke2-\*/}") sed -i "/exclude=.*rke2-\*/d" "${YUM_CONF_FILE}" echo "${new_exclude_list}" >> "${YUM_CONF_FILE}" else error "${YUM_CONF_FILE} file is readonly and contains rke2-* under package exclusion. Please remove the entry for AS to work." fi fi } function enable_rke2_package_upgrade() { remove_rke2_entry_from_exclude /etc/dnf/dnf.conf remove_rke2_entry_from_exclude /etc/yum.conf } enable_rke2_package_upgrade service_exists() { local n=$1 if [[ $(systemctl list-units --all -t service --full --no-legend "$n.service" | cut -f1 -d' ') == $n.service ]]; then return 0 else return 1 fi } if service_exists rke2-server; then systemctl stop rke2-server systemctl disable rke2-server fi if service_exists rke2-agent; then systemctl stop rke2-agent systemctl disable rke2-agent fi if [ -e /usr/local/bin/rke2-killall.sh ] then echo "Running rke2-killall.sh" /usr/local/bin/rke2-killall.sh > /dev/null else echo "File not found: rke2-killall.sh" fi if [ -e /usr/local/bin/rke2-uninstall.sh ] then echo "Running rke2-uninstall.sh" /usr/local/bin/rke2-uninstall.sh > /dev/null else echo "File not found: rke2-uninstall.sh" fi crontab -l > backupcron sed -i '/backupjob/d' backupcron > /dev/null crontab backupcron > /dev/null rm -rf backupcron > /dev/null rm -rfv /usr/bin/backupjob > /dev/null rm -rfv /etc/rancher/ > /dev/null rm -rfv /var/lib/rook/ > /dev/null rm -rfv /var/lib/longhorn/ > /dev/null rm -rfv /var/lib/rancher/rke2/server/db/* > /dev/null umount -l -f /var/lib/rancher/rke2/server/db > /dev/null 2>&1 || true rm -rfv /var/lib/rancher/* > /dev/null umount -l -f /var/lib/rancher rm -rfv /var/lib/rancher/* > /dev/null while ! rm -rfv /var/lib/kubelet/* > /dev/null; do findmnt --list --submounts -n -o TARGET --target /var/lib/kubelet | grep '/var/lib/kubelet/plugins' | xargs -r umount -f -l sleep 5 done umount -l -f /var/lib/kubelet rm -rfv /var/lib/kubelet/* > /dev/null rm -rfv /datadisk/* > /dev/null umount -l -f /datadisk rm -rfv /datadisk/* > /dev/null rm -rfv ~/.uipath/* > /dev/null mount /var/lib/rancher mkdir -p /var/lib/rancher/rke2/server/db/ && mount -a rm -rfv /var/lib/rancher/rke2/server/db/* > /dev/null echo "Uninstall RKE complete."
function remove_rke2_entry_from_exclude() { local current_exclude_list new_exclude_list YUM_CONF_FILE=$1 if [[ ! -s "${YUM_CONF_FILE}" ]]; then # File is empty return fi current_exclude_list=$(grep 'exclude=' "${YUM_CONF_FILE}" | tail -1) if echo "$current_exclude_list" | grep -q 'rke2-*'; then if [[ -w ${YUM_CONF_FILE} ]]; then new_exclude_list=$(printf '%s\n' "${current_exclude_list//rke2-* /}") new_exclude_list=$(printf '%s\n' "${new_exclude_list//rke2-*,/}") new_exclude_list=$(printf '%s\n' "${new_exclude_list//rke2-\*/}") sed -i "/exclude=.*rke2-\*/d" "${YUM_CONF_FILE}" echo "${new_exclude_list}" >> "${YUM_CONF_FILE}" else error "${YUM_CONF_FILE} file is readonly and contains rke2-* under package exclusion. Please remove the entry for AS to work." fi fi } function enable_rke2_package_upgrade() { remove_rke2_entry_from_exclude /etc/dnf/dnf.conf remove_rke2_entry_from_exclude /etc/yum.conf } enable_rke2_package_upgrade service_exists() { local n=$1 if [[ $(systemctl list-units --all -t service --full --no-legend "$n.service" | cut -f1 -d' ') == $n.service ]]; then return 0 else return 1 fi } if service_exists rke2-server; then systemctl stop rke2-server systemctl disable rke2-server fi if service_exists rke2-agent; then systemctl stop rke2-agent systemctl disable rke2-agent fi if [ -e /usr/local/bin/rke2-killall.sh ] then echo "Running rke2-killall.sh" /usr/local/bin/rke2-killall.sh > /dev/null else echo "File not found: rke2-killall.sh" fi if [ -e /usr/local/bin/rke2-uninstall.sh ] then echo "Running rke2-uninstall.sh" /usr/local/bin/rke2-uninstall.sh > /dev/null else echo "File not found: rke2-uninstall.sh" fi crontab -l > backupcron sed -i '/backupjob/d' backupcron > /dev/null crontab backupcron > /dev/null rm -rf backupcron > /dev/null rm -rfv /usr/bin/backupjob > /dev/null rm -rfv /etc/rancher/ > /dev/null rm -rfv /var/lib/rook/ > /dev/null rm -rfv /var/lib/longhorn/ > /dev/null rm -rfv /var/lib/rancher/rke2/server/db/* > /dev/null umount -l -f /var/lib/rancher/rke2/server/db > /dev/null 2>&1 || true rm -rfv /var/lib/rancher/* > /dev/null umount -l -f /var/lib/rancher rm -rfv /var/lib/rancher/* > /dev/null while ! rm -rfv /var/lib/kubelet/* > /dev/null; do findmnt --list --submounts -n -o TARGET --target /var/lib/kubelet | grep '/var/lib/kubelet/plugins' | xargs -r umount -f -l sleep 5 done umount -l -f /var/lib/kubelet rm -rfv /var/lib/kubelet/* > /dev/null rm -rfv /datadisk/* > /dev/null umount -l -f /datadisk rm -rfv /datadisk/* > /dev/null rm -rfv ~/.uipath/* > /dev/null mount /var/lib/rancher mkdir -p /var/lib/rancher/rke2/server/db/ && mount -a rm -rfv /var/lib/rancher/rke2/server/db/* > /dev/null echo "Uninstall RKE complete."
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アンインストール後、ノードを再起動します。
重要: ノードの 1 つをクラスターからアンインストールする場合は、
kubectl delete node <node_name>
コマンドを実行する必要があります。これにより、クラスターからノードが削除されます。