d7bb4d954a
* Added changes to clean up orphan containers and reload docker & kubelet directories. * Added new files for cleaning up orphans and docker & kubelet directories * Added new lines at the end of these files * removed the trailing whitespaces from main.yml and clean-up.yml * Updated as per the review comments * Updated as per the review comments * Removed service_facts and package_facts because they are not supported in ansible 2.4.0 * Corrected yaml syntax errors * Removed the use of json_query filter and utilized selectattr * Removed trailing spaces * Changed the default value of docker_clean_up to false * Added Changes to only include cleanup-docker-orphans.sh * Reverted back changes done inside handler. * Removed trailing spaces and made default value of docker_orphan_clean_up as true * Reverted the default value of docker_orphan_clean_up as false * Made the docker clean up as drop in * Made the docker clean up as drop in * Reverted the value of boolean docker_orphan_clean_up to false
38 lines
1.4 KiB
Bash
38 lines
1.4 KiB
Bash
#!/bin/bash
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list_descendants ()
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{
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local children=$(ps -o pid= --ppid "$1")
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for pid in $children
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do
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list_descendants "$pid"
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done
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[[ -n "$children" ]] && echo "$children"
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}
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count_shim_processes=$(pgrep -f ^docker-containerd-shim | wc -l)
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live_restore=$(docker info --format {{.LiveRestoreEnabled}} 2>/dev/null)
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if [ ${count_shim_processes} -gt 0 ] && [ -n "${live_restore}" -a "${live_restore}" == "true" ]; then
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# Find all container pids from shims
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orphans=$(pgrep -P $(pgrep -d ',' -f ^docker-containerd-shim) |\
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# Filter out valid docker pids, leaving the orphans
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egrep -v $(docker ps -q | xargs docker inspect --format '{{.State.Pid}}' | awk '{printf "%s%s",sep,$1; sep="|"}'))
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if [[ -n "$orphans" ]]
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then
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# Get shim pids of orphans
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orphan_shim_pids=$(ps -o pid= $(ps -o ppid= $orphans))
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# Find all orphaned container PIDs
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orphan_container_pids=$(for pid in $orphan_shim_pids; do list_descendants $pid; done)
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# Recursively kill all child PIDs of orphan shims
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echo -e "Killing orphan container PIDs and descendants: \n$(ps -O ppid= $orphan_container_pids)"
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#kill -9 $orphan_container_pids || true
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else
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echo "No orphaned containers found"
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fi
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else
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echo "Either live-restore is turned off or the node doesn't have any shim processes."
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fi |