mirror of
https://github.com/hackerschoice/segfault.git
synced 2024-06-28 17:51:22 +00:00
125 lines
3.7 KiB
Bash
125 lines
3.7 KiB
Bash
#! /bin/bash
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[[ $(basename -- "$0") == "funcs_admin.sh" ]] && { echo "ERROR. Use \`source $0\` instead."; exit 1; }
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BASEDIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" || exit; pwd)"
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source "${BASEDIR}/funcs.sh"
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# Show overlay2 usage by container REGEX match.
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# container_df ^lg
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container_df()
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{
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for container in $(docker ps --all --quiet --format '{{ .Names }}'); do
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[[ -n $1 ]] && [[ ! $container =~ ${1:?} ]] && continue
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mdir="$(docker inspect $container --format '{{.GraphDriver.Data.UpperDir }}')"
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size="$(du -sk "$mdir" | cut -f1) "
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cn="${container} "
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echo "${size:0:10} ${cn:0:20} $(echo "$mdir" | grep -Po '^.+?(?=/diff)' )"
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done
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}
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echo -e "${CDC}container_df <regex>${CN} # eg \`container_df ^lg\`"
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# Send a message to all PTS of a specific container
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# Example: lgwall lg-NGVlMTNmMj "Get \nlost\n"
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# [LID] [message]
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lgwall()
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{
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local pid
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local cid
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[[ -z $2 ]] && { echo >&2 "lgwall LID [message]"; return; }
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cid=$(docker inspect --format='{{.Id}}' "$1") || return
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for fn in "/var/run/containerd/io.containerd.runtime.v2.task/moby/${cid}/"*.pid; do
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[[ $fn == *"init.pid" ]] && continue
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pid=$(cat "$fn") || continue
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[[ $(readlink "/proc/${pid}/fd/2") != "/dev/pts/"* ]] && continue
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echo -e "$2" >"/proc/${pid}/fd/2"
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done
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}
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echo -e "${CDC}lgwall <LID> <message>${CN} # eg \`lgwall lg-NGVlMTNmMj "'"Get\\nLost\\n"`'
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#
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# Show all LID where REGEX matches a process+arguments and optionally stop
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# the container.
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# Example: plgtop urandom
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# Example: plgtop urandom stop
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# [<REGEX>] <stop>
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plgtop()
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{
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systemd-cgls -l | while read x; do
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[[ $x == *" [init-"* ]] && { lid="${x#* \[init-}"; lid="${lid%%-*}"; }
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[[ ! $x =~ ${1:?} ]] && continue
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[[ ${#lid} -ne 10 ]] && continue
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echo "====> lg-${lid}"
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docker top "lg-${lid}" | grep -E "${1:?}"'|$'
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[[ -n $2 ]] && docker stop "lg-${lid}"
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unset lid
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done
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}
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echo -e "${CDC}plgtop <ps regex> [stop]${CN} # eg \`plgtop 'dd if=/dev/zero' stop\`"
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#plgtop "/bin/bash /everyone" stop # Example
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#plgtop "dd if=/dev/zero of=/dev/null" stop
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#plgtop "bzip2 -9" stop
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# Show user's IP by matching process+argument
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# Example: plgip urandom
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plgip()
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{
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systemd-cgls -l | while read x; do
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[[ $x == *" [init-"* ]] && { lid="${x#* \[init-}"; lid="${lid%%-*}"; }
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[[ ! $x =~ ${1:?} ]] && continue
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[[ ${#lid} -ne 10 ]] && continue
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fn="/dev/shm/sf-u1000/self-for-guest/lg-${lid}/ip"
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[[ -f "$fn" ]] && ip=$(<"$fn") || ip="Not Found"
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echo "lg-$lid $ip"
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unset lid
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done
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}
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echo -e "${CDC}plgip <ps regex>${CN} # eg \`plgip 'dd if=/dev/zero'\`"
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# Stop all container that have no SSH connection and only 3 processes (init, sleep, zsh)
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# NOTE: This should not happen any longer since a bug in docker-sigproxy got fixed.
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# Example: lg_cleaner
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# Example: lg_cleaner stop
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lg_cleaner()
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{
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local is_stop
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is_stoop="$1"
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IFS=$'\n'
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real=($(ps alxww | grep -v grep | grep -F " docker-exec-sigproxy exec -i" | awk '{print $16;}'))
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all=($(docker ps -f name=^lg- --format "table {{.Names}}"))
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for x in "${all[@]}"; do
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[[ ! $x =~ ^lg- ]] && continue
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[[ "${real[*]}" =~ "$x" ]] && continue
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# check how many processes are running:
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arr=($(docker top "${x}" -o pid ))
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n=${#arr[@]}
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[[ ! $n -gt 1 ]] && n=1
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((n--))
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[[ $n -gt 3 ]] && continue
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echo "===========Stopping $x n=$n"
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docker top "$x"
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[[ -n $is_stop ]] && docker stop -t1 "$x"
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done
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}
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echo -e "${CDC}lg_cleaner [stop]${CN}"
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# Delete all images
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docker_clean()
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{
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docker rm $(docker ps -a -q)
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docker rmi $(docker images -q)
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}
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echo -e "${CDC}docker_clean${CN}"
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sftop()
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{
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docker run --rm -ti --name=ctop --volume /var/run/docker.sock:/var/run/docker.sock:ro quay.io/vektorlab/ctop:latest
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}
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echo -e "${CDC}sftop${CN}"
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