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|
#!/bin/bash
set -x
log () {
printf "$(date)\t%s\n" "${1}"
}
TO_RM=(
"/etc/cni"
"/etc/coredns"
"/etc/etcd"
"/etc/genesis"
"/etc/kubernetes"
"/etc/promenade"
"/etc/systemd/system/kubelet.service"
"/home/ceph"
"/tmp/tmp.*"
"/var/lib/etcd"
"/var/lib/kubelet"
"/var/lib/openstack-helm"
"/var/log/containers"
"/var/log/pods"
"/var/log/armada"
"/etc/modprobe.d/krbd_blacklist.conf"
"/srv/elasticsearch-data"
"/srv/elasticsearch-master"
"/srv/prometheus-data"
)
prune_docker() {
log "Docker prune"
docker volume prune -f
docker system prune -a -f
}
remove_containers() {
log "Remove all Docker containers"
docker ps -aq 2> /dev/null | xargs --no-run-if-empty docker rm -fv
log "Remove all containerd pods"
systemctl restart containerd || true
sleep 60
crictl rmp -a -f || true
log "Remove any remaining containerd containers"
crictl rm -a -f || true
systemctl stop containerd || true
}
remove_files() {
for item in "${TO_RM[@]}"; do
log "Removing ${item}"
rm -rf "${item}"
done
}
reset_docker() {
log "Remove all local Docker images"
docker images -qa | xargs --no-run-if-empty docker rmi -f
log "Remove remaining Docker files"
systemctl stop docker
if ! rm -rf /var/lib/docker/*; then
log "Failed to cleanup some files in /var/lib/docker"
find /var/lib/docker
fi
log "Remove all local containerd data"
if ! rm -rf /var/lib/containerd/*; then
log "Failed to cleanup some files in /var/lib/containerd/"
find /var/lib/containerd
fi
}
stop_kubelet() {
log "Stop Kubelet and clean pods"
systemctl stop kubelet || true
# Issue with orhan PODS
# https://github.com/kubernetes/kubernetes/issues/38498
find /var/lib/kubelet/pods 2> /dev/null | while read orphan_pod; do
if [[ ${orphan_pod} == *io~secret/* ]] || [[ ${orphan_pod} == *empty-dir/* ]]; then
umount "${orphan_pod}" || true
rm -rf "${orphan_pod}"
fi
done
}
wipe_disk() {
CEPH_VG=$(vgs | tail -n +1 | awk '{print $1}' | grep ceph-vg- | paste -d " " - -)
if [[ x$CEPH_VG != 'x' ]]; then
vgremove -f $CEPH_VG
fi
log "Wipe out CEPH disks"
apt install --yes gdisk
echo "====Earsing disk sdb===="
sudo sgdisk -Z /dev/sdb
sudo dd if=/dev/zero of=/dev/sdb bs=1M count=200
}
service_exists() {
local n=$1
if [[ $(systemctl list-units --all -t service --full --no-legend "$n.service" | cut -f1 -d' ') == $n.service ]]; then
return 0
else
return 1
fi
}
FORCE=0
RESET_DOCKER=0
while getopts "fk" opt; do
case "${opt}" in
f)
FORCE=1
;;
k)
RESET_DOCKER=1
;;
*)
echo "Unknown option"
exit 1
;;
esac
done
if [[ $FORCE == "0" ]]; then
echo Warning: This cleanup script is very aggresive. Run with -f to avoid this prompt.
while true; do
read -p "Are you sure you wish to proceed with aggressive cleanup?" yn
case $yn in
[Yy]*)
RESET_DOCKER=1
break
;;
*)
echo Exitting.
exit 1
esac
done
fi
if service_exists kubelet; then
stop_kubelet
remove_containers
remove_files
prune_docker
systemctl daemon-reload
systemctl start containerd.service
if [[ $RESET_DOCKER == "1" ]]; then
echo "hi"
reset_docker
fi
systemctl start containerd
#sudo crictl pull docker.io/busybox:1.28.3
#sudo crictl pull docker.io/haproxy:1.8.19
service docker restart
fi
wipe_disk
|
