27 lines
651 B
Bash
27 lines
651 B
Bash
|
#!/usr/bin/env bash
|
||
|
|
set -euo pipefail
|
||
|
|
|
||
|
|
threshold=70
|
||
|
|
|
||
|
|
sleep "$(( (RANDOM % 300) + 10 ))"
|
||
|
|
|
||
|
|
while true; do
|
||
|
|
usage=$(df -P /host | awk 'NR==2 {gsub(/%/,"",$5); print $5}')
|
||
|
|
if [ -z "${usage}" ]; then
|
||
|
|
sleep 1800
|
||
|
|
continue
|
||
|
|
fi
|
||
|
|
|
||
|
|
if [ "${usage}" -ge "${threshold}" ]; then
|
||
|
|
chroot /host /bin/sh -c '
|
||
|
|
if command -v crictl >/dev/null 2>&1; then
|
||
|
|
crictl --runtime-endpoint=unix:///run/k3s/containerd/containerd.sock rmi --prune || true
|
||
|
|
elif [ -x /usr/local/bin/crictl ]; then
|
||
|
|
/usr/local/bin/crictl --runtime-endpoint=unix:///run/k3s/containerd/containerd.sock rmi --prune || true
|
||
|
|
fi
|
||
|
|
'
|
||
|
|
fi
|
||
|
|
|
||
|
|
sleep 21600
|
||
|
|
done
|