#!/bin/sh
set -x
[ $(id -u) -eq 0 ] || exec sudo $0 $@
/usr/local/bin/k3s-killall.sh
if command -v systemctl; then
systemctl disable k3s
systemctl reset-failed k3s
systemctl daemon-reload
fi
if command -v rc-update; then
rc-update delete k3s default
fi
rm -f /etc/systemd/system/k3s.service
rm -f /etc/systemd/system/k3s.service.env
remove_uninstall() {
rm -f /usr/local/bin/k3s-uninstall.sh
}
trap remove_uninstall EXIT
if (ls /etc/systemd/system/k3s*.service || ls /etc/init.d/k3s*) >/dev/null 2>&1; then
set +x; echo 'Additional k3s services installed, skipping uninstall of k3s'; set -x
exit
fi
for cmd in kubectl crictl ctr; do
if [ -L /usr/local/bin/$cmd ]; then
rm -f /usr/local/bin/$cmd
fi
done
rm -rf /etc/rancher/k3s
rm -rf /run/k3s
rm -rf /run/flannel
rm -rf /var/lib/rancher/k3s
rm -rf /var/lib/kubelet
rm -f /usr/local/bin/k3s
rm -f /usr/local/bin/k3s-killall.sh
if type yum >/dev/null 2>&1; then
yum remove -y k3s-selinux
rm -f /etc/yum.repos.d/rancher-k3s-common*.repo
elif type rpm-ostree >/dev/null 2>&1; then
rpm-ostree uninstall k3s-selinux
rm -f /etc/yum.repos.d/rancher-k3s-common*.repo
elif type zypper >/dev/null 2>&1; then
uninstall_cmd="zypper remove -y k3s-selinux"
if [ "${TRANSACTIONAL_UPDATE=false}" != "true" ] && [ -x /usr/sbin/transactional-update ]; then
uninstall_cmd="transactional-update --no-selfupdate -d run $uninstall_cmd"
fi
$uninstall_cmd
rm -f /etc/zypp/repos.d/rancher-k3s-common*.repo
fi
rancher-system-agent-uninstall.sh
#!/bin/sh
if [ ! $(id -u) -eq 0 ]; then
fatal "This script must be run as root."
fi
# Environment variables:
# System Agent Variables
# - CATTLE_AGENT_CONFIG_DIR (default: /etc/rancher/agent)
# - CATTLE_AGENT_VAR_DIR (default: /var/lib/rancher/agent)
# - CATTLE_AGENT_BIN_PREFIX (default: /usr/local)
#
# warn logs the given argument at warn log level.
warn() {
echo "[WARN] " "$@" >&2
}
# check_target_mountpoint return success if the target directory is on a dedicated mount point
check_target_mountpoint() {
mountpoint -q "${CATTLE_AGENT_BIN_PREFIX}"
}
# check_target_ro returns success if the target directory is read-only
check_target_ro() {
touch "${CATTLE_AGENT_BIN_PREFIX}"/.r-sa-ro-test && rm -rf "${CATTLE_AGENT_BIN_PREFIX}"/.r-sa-ro-test
test $? -ne 0
}
setup_env() {
if [ -z "${CATTLE_AGENT_CONFIG_DIR}" ]; then
CATTLE_AGENT_CONFIG_DIR=/etc/rancher/agent
fi
if [ -z "${CATTLE_AGENT_VAR_DIR}" ]; then
CATTLE_AGENT_VAR_DIR=/var/lib/rancher/agent
fi
# --- resources are installed to /usr/local by default, except if /usr/local is on a separate partition or is
# --- read-only in which case we go into /opt/rancher-system-agent. If variable isn't passed and this criteria is
# --- true, assume that is what was done, since removing from /usr/local wouldn't be possible anyway.
if [ -z "${CATTLE_AGENT_BIN_PREFIX}" ]; then
CATTLE_AGENT_BIN_PREFIX="/usr/local"
if check_target_mountpoint || check_target_ro; then
CATTLE_AGENT_BIN_PREFIX="/opt/rancher-system-agent"
warn "/usr/local is read-only or a mount point; checking ${CATTLE_AGENT_BIN_PREFIX}"
fi
fi
}
uninstall_stop_services() {
if command -v systemctl >/dev/null 2>&1; then
systemctl stop rancher-system-agent
fi
}
uninstall_remove_self() {
rm -f "${CATTLE_AGENT_BIN_PREFIX}/bin/rancher-system-agent-uninstall.sh"
}
uninstall_disable_services()
{
if command -v systemctl >/dev/null 2>&1; then
systemctl disable rancher-system-agent || true
systemctl reset-failed rancher-system-agent || true
systemctl daemon-reload
fi
}
uninstall_remove_files() {
rm -f /etc/systemd/system/rancher-system-agent.service
rm -f /etc/systemd/system/rancher-system-agent.env
rm -rf ${CATTLE_AGENT_VAR_DIR}
rm -rf ${CATTLE_AGENT_CONFIG_DIR}
rm -f "${CATTLE_AGENT_BIN_PREFIX}/bin/rancher-system-agent"
}
setup_env
uninstall_stop_services
trap uninstall_remove_self EXIT
uninstall_disable_services
uninstall_remove_files
