openshift_orphaned_pod_cleaner.sh

gistfile1.txt

#!/bin/bash
# This script has to run as root directly  IN coreOS.
# Probably you shouldn't use it if you don't fully understand what it will do.
# Optimized for OCP from :  https://github.com/kubernetes/kubernetes/issues/60987
KUBELET_HOME=/var/lib
PODS=$(journalctl --since "6 hour ago" --grep "orphaned pod" |awk -F"orphaned pod" '{print $2}'|awk '{print $1}' |sort -u |sed 's/"//g')

for podid in $PODS;
do
    if [ ! -d ${KUBELET_HOME}/kubelet/pods/$podid ]; then
        echo $podid already cleaned
        continue
    fi

    if [ -d ${KUBELET_HOME}/kubelet/pods/$podid/volume-subpaths/ ]; then
        mountpath=$(mount | grep ${KUBELET_HOME}/kubelet/pods/$podid/volume-subpaths/ | awk '{print $3}')
        for mntPath in $mountpath;
        do
            umount $mntPath
        done
        rm -rf ${KUBELET_HOME}/kubelet/pods/$podid/volume-subpaths
    fi

    csiMounts=$(mount | grep "${KUBELET_HOME}/kubelet/pods/$podid/volumes/kubernetes.io~csi")
    if [ "$csiMounts" != "" ]; then
        echo "csi is mounted at: $csiMounts"
        exit 1
    else
        rm -rf ${KUBELET_HOME}/kubelet/pods/$podid/volumes/kubernetes.io~csi
    fi

    volumeTypes=$(ls ${KUBELET_HOME}/kubelet/pods/$podid/volumes/)
    for volumeType in $volumeTypes;
    do
        subVolumes=$(ls -A ${KUBELET_HOME}/kubelet/pods/$podid/volumes/$volumeType)
        if [ "$subVolumes" != "" ]; then
            echo "${KUBELET_HOME}/kubelet/pods/$podid/volumes/$volumeType contents volume: $subVolumes"
            exit 1
        else
            rmdir ${KUBELET_HOME}/kubelet/pods/$podid/volumes/$volumeType
        fi
    done
done