glusterfs

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#!/bin/bash
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set -u
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function reset() {
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    while pgrep gluster >/dev/null; do
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        pkill -9 gluster
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        sleep 0.1
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    done
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    findmnt -t fuse.glusterfs -o TARGET | tail -n +2 | xargs -r -n 1 umount
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    mkdir -p /d/dev
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    vgremove -fyS "vg_name=~_$(hostname -s)_"
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    for dev in $(ls /d/dev/ 2>/dev/null); do
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        losetup -d /d/dev/${dev}
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        rm -f /d/dev/${dev}
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    done
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}
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function clean_all() {
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    rm -rf /d/* 2>/dev/null
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    mkdir /d/dev
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    fstrim /d
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    rm -rf /var/log/glusterfs 2>/dev/null
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    mkdir -p /var/log/glusterfs 2>/dev/null
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    rm -rf /var/lib/glusterd 2>/dev/null
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    tar -xf /tmp/glusterd-backup.tgz -C /var/lib
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}
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function prepare() {
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    reset
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    tar -czf /tmp/glusterd-backup.tgz -C /var/lib glusterd
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    clean_all
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}
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function terminate() {
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    local name="${1}"
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    local url
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    reset
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    tar -czf /tmp/glusterfs-logs.tgz -C /var/log glusterfs
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    if [[ -n "${HOST_URL}" ]]; then
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        url="${HOST_URL}/run/${name%.t}.$(date --utc +"%Y%m%d%H%M%S").tgz"
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        curl -s -X PUT --upload-file /tmp/glusterfs-logs.tgz "${url}" >/dev/null
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    fi
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    clean_all
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}
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prepare
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ROOT="/root/glusterfs"
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NAME="$(realpath --relative-to "${ROOT}" "${1}")"
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LOG="/tmp/output.log"
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pushd "${ROOT}" >/dev/null
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echo "$(date --utc --rfc-3339 seconds) - $(hostname -s)" >"${LOG}"
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res="0"
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if ! prove -vmfe /bin/bash "${NAME}" >>"${LOG}" 2>&1; then
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    res="1"
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fi
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echo "$(date --utc --rfc-3339 seconds) - Result: ${res}" >>"${LOG}"
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mv "${LOG}" /var/log/glusterfs/
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popd >/dev/null
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terminate "${NAME}"
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exit ${res}
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