mirror of
https://github.com/PyratLabs/ansible-role-k3s
synced 2024-11-10 15:33:30 +01:00
75fd17aac8
1. Now does not remove prerequisite packages, lvm2 was included in these packages (not good when you use LVM2 for real). 2. Added a bit more idempotency to the shell scripts - only delete if it exists. 3. Check that the process isn't running and binaries are gone.
78 lines
1.7 KiB
Django/Jinja
78 lines
1.7 KiB
Django/Jinja
#!/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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done
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set -x
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for service in /etc/systemd/system/k3s*.service; do
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[ -s "$service" ] && systemctl stop "$(basename $service)"
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done
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for service in /etc/init.d/k3s*; do
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[ -x "$service" ] && "$service" stop
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done
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pschildren() {
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ps -e -o ppid= -o pid= | \
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sed -e 's/^\s*//g; s/\s\s*/\t/g;' | \
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grep -w "^$1" | \
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cut -f2
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}
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pstree() {
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for pid in $@; do
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echo $pid
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for child in $(pschildren $pid); do
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pstree $child
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done
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done
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}
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killtree() {
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kill -9 $(
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{ set +x; } 2>/dev/null;
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pstree $@;
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set -x;
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) 2>/dev/null
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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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}
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killtree $({ set +x; } 2>/dev/null; getshims; set -x)
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do_unmount() {
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{ set +x; } 2>/dev/null
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MOUNTS=
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while read ignore mount ignore; do
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MOUNTS="$mount\n$MOUNTS"
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done </proc/self/mounts
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MOUNTS=$(printf $MOUNTS | grep "^$1" | sort -r)
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if [ -n "${MOUNTS}" ]; then
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set -x
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umount ${MOUNTS}
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else
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set -x
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fi
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}
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do_unmount '/run/k3s'
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do_unmount '/var/lib/rancher/k3s'
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do_unmount '/var/lib/kubelet/pods'
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do_unmount '/run/netns/cni-'
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# Delete network interface(s) that match 'master cni0'
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ip link show 2>/dev/null | grep 'master cni0' | while read ignore iface ignore; do
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iface=${iface%%@*}
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[ -z "$iface" ] || ip link delete $iface
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done
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ip link delete cni0
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ip link delete flannel.1
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[ -d /var/lib/cni ] && rm -rf /var/lib/cni/
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iptables-save | grep -v KUBE- | grep -v CNI- | iptables-restore
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