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@ -26,6 +26,9 @@ set -e
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# If set to 'skip' will not create symlinks, 'force' will overwrite,
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# default will symlink if command does not exist in path.
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#
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# - INSTALL_K3S_SKIP_ENABLE
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# If set to true will not enable or start k3s service.
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#
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# - INSTALL_K3S_SKIP_START
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# If set to true will not start k3s service.
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#
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@ -166,11 +169,6 @@ setup_env() {
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${invalid_chars}"
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fi
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# --- set related files from system name ---
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SERVICE_K3S=${SYSTEM_NAME}.service
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UNINSTALL_K3S_SH=${SYSTEM_NAME}-uninstall.sh
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KILLALL_K3S_SH=k3s-killall.sh
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# --- use sudo if we are not already root ---
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SUDO=sudo
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if [ $(id -u) -eq 0 ]; then
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@ -202,6 +200,11 @@ setup_env() {
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SYSTEMD_DIR=/etc/systemd/system
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fi
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# --- set related files from system name ---
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SERVICE_K3S=${SYSTEM_NAME}.service
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UNINSTALL_K3S_SH=${UNINSTALL_K3S_SH:-${BIN_DIR}/${SYSTEM_NAME}-uninstall.sh}
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KILLALL_K3S_SH=${KILLALL_K3S_SH:-${BIN_DIR}/k3s-killall.sh}
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# --- use service or environment location depending on systemd/openrc ---
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if [ "${HAS_SYSTEMD}" = true ]; then
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FILE_K3S_SERVICE=${SYSTEMD_DIR}/${SERVICE_K3S}
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@ -396,7 +399,7 @@ setup_binary() {
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$SUDO chown root:root ${TMP_BIN}
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$SUDO mv -f ${TMP_BIN} ${BIN_DIR}/k3s
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if command -v getenforce > /dev/null 2>&1; then
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if command -v getenforce >/dev/null 2>&1; then
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if [ "Disabled" != $(getenforce) ]; then
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info 'SELinux is enabled, setting permissions'
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if ! $SUDO semanage fcontext -l | grep "${BIN_DIR}/k3s" > /dev/null 2>&1; then
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@ -439,7 +442,7 @@ create_symlinks() {
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for cmd in kubectl crictl ctr; do
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if [ ! -e ${BIN_DIR}/${cmd} ] || [ "${INSTALL_K3S_SYMLINK}" = force ]; then
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which_cmd=$(which ${cmd} || true)
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which_cmd=$(which ${cmd} 2>/dev/null || true)
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if [ -z "${which_cmd}" ] || [ "${INSTALL_K3S_SYMLINK}" = force ]; then
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info "Creating ${BIN_DIR}/${cmd} symlink to k3s"
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$SUDO ln -sf k3s ${BIN_DIR}/${cmd}
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@ -455,13 +458,13 @@ create_symlinks() {
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# --- create killall script ---
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create_killall() {
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[ "${INSTALL_K3S_BIN_DIR_READ_ONLY}" = true ] && return
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info "Creating killall script ${BIN_DIR}/${KILLALL_K3S_SH}"
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$SUDO tee ${BIN_DIR}/${KILLALL_K3S_SH} >/dev/null << \EOF
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info "Creating killall script ${KILLALL_K3S_SH}"
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$SUDO tee ${KILLALL_K3S_SH} >/dev/null << \EOF
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#!/bin/sh
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[ $(id -u) -eq 0 ] || exec sudo $0 $@
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for bin in /var/lib/rancher/k3s/data/**/bin/; do
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[ -d $bin ] && export PATH=$bin:$PATH
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[ -d $bin ] && export PATH=$PATH:$bin:$bin/aux
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done
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set -x
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@ -499,7 +502,7 @@ killtree() {
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}
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getshims() {
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lsof | sed -e 's/^[^0-9]*//g; s/ */\t/g' | grep -w 'k3s/data/[^/]*/bin/containerd-shim' | cut -f1 | sort -n -u
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ps -e -o pid= -o args= | sed -e 's/^ *//; s/\s\s*/\t/;' | grep -w 'k3s/data/[^/]*/bin/containerd-shim' | cut -f1
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}
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killtree $({ set +x; } 2>/dev/null; getshims; set -x)
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@ -534,20 +537,20 @@ ip link delete flannel.1
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rm -rf /var/lib/cni/
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iptables-save | grep -v KUBE- | grep -v CNI- | iptables-restore
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EOF
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$SUDO chmod 755 ${BIN_DIR}/${KILLALL_K3S_SH}
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$SUDO chown root:root ${BIN_DIR}/${KILLALL_K3S_SH}
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$SUDO chmod 755 ${KILLALL_K3S_SH}
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$SUDO chown root:root ${KILLALL_K3S_SH}
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}
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# --- create uninstall script ---
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create_uninstall() {
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[ "${INSTALL_K3S_BIN_DIR_READ_ONLY}" = true ] && return
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info "Creating uninstall script ${BIN_DIR}/${UNINSTALL_K3S_SH}"
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$SUDO tee ${BIN_DIR}/${UNINSTALL_K3S_SH} >/dev/null << EOF
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info "Creating uninstall script ${UNINSTALL_K3S_SH}"
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$SUDO tee ${UNINSTALL_K3S_SH} >/dev/null << EOF
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#!/bin/sh
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set -x
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[ \$(id -u) -eq 0 ] || exec sudo \$0 \$@
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${BIN_DIR}/${KILLALL_K3S_SH}
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${KILLALL_K3S_SH}
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if which systemctl; then
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systemctl disable ${SYSTEM_NAME}
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@ -562,7 +565,7 @@ rm -f ${FILE_K3S_SERVICE}
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rm -f ${FILE_K3S_ENV}
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remove_uninstall() {
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rm -f ${BIN_DIR}/${UNINSTALL_K3S_SH}
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rm -f ${UNINSTALL_K3S_SH}
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}
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trap remove_uninstall EXIT
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@ -581,10 +584,10 @@ rm -rf /etc/rancher/k3s
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rm -rf /var/lib/rancher/k3s
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rm -rf /var/lib/kubelet
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rm -f ${BIN_DIR}/k3s
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rm -f ${BIN_DIR}/${KILLALL_K3S_SH}
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rm -f ${KILLALL_K3S_SH}
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EOF
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$SUDO chmod 755 ${BIN_DIR}/${UNINSTALL_K3S_SH}
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$SUDO chown root:root ${BIN_DIR}/${UNINSTALL_K3S_SH}
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$SUDO chmod 755 ${UNINSTALL_K3S_SH}
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$SUDO chown root:root ${UNINSTALL_K3S_SH}
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}
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# --- disable current service if loaded --
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@ -718,6 +721,8 @@ openrc_start() {
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# --- startup systemd or openrc service ---
|
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service_enable_and_start() {
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[ "${INSTALL_K3S_SKIP_ENABLE}" = true ] && return
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[ "${HAS_SYSTEMD}" = true ] && systemd_enable
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[ "${HAS_OPENRC}" = true ] && openrc_enable
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Erik Wilson
5 years ago
committed by