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83 lines
3.5 KiB
Bash
83 lines
3.5 KiB
Bash
#!/bin/env bash
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#
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# mirrorsync - Synchronize a Rocky mirror
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# By: Dennis Koerner <koerner@netzwerge.de>
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#
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# The latest version of this script can be found at:
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# https://github.com/rocky-linux/rocky-tools
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#
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# Please read https://docs.rockylinux.org/en/rocky/8/guides/add_mirror_manager
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# for further information on setting up a Rocky mirror.
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#
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# Copyright (c) 2021 Rocky Enterprise Software Foundation
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice (including the next
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# paragraph) shall be included in all copies or substantial portions of the
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# Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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#
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# You can change v to q if you do not want detailed logging
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opts=(-vrlptDSH --exclude="*.~tmp~" --delete-delay --delay-updates)
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# Please use a mirror next to you for initial sync
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# or if you are hosting a private rather than a pulic mirror.
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# Local mirrors might be faster.
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# Also we might restrict access to the master in the future.
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# A complete list of mirrors can be found at
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# https://mirrors.rockylinux.org/mirrormanager/mirrors/Rocky
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src="msync.rockylinux.org::rocky/mirror/pub/rocky"
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# Your local path. Change to whatever fits your system.
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# $mirrormodule is also used in syslog output.
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mirrormodule="rocky-linux"
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dst="/mnt/mirrorserver/${mirrormodule}"
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filelistfile="fullfiletimelist-rocky"
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lockfile="$0.lockfile"
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logfile="$0.log"
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# Check if the filelistfile has changed on upstream mirror
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# and exit if it is still the same
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checkresult=$(rsync --no-motd --dry-run --out-format="%n" "${src}/${filelistfile}" "${dst}/${filelistfile}")
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if [[ -z "$checkresult" ]]; then
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printf "%s unchanged. Not updating at %(%c)T\n" "$filelistfile" -1 >> "$logfile" 2>&1
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logger -t rsync "Not updating ${mirrormodule}: ${filelistfile} unchanged."
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exit 1
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fi
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# Check for existing lockfile to avoid multiple simultaneously running syncs
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# If lockfile exists but process is dead continue anyway
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if [[ -e "$lockfile" ]] && ! kill -0 "$(< "$lockfile")" 2>/dev/null; then
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printf "Warning: lockfile exists but process dead, continuing.\n" >> "$logfile" 2>&1
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logger -t rsync "Warning: lockfile exists but process dead, continuing with updating ${mirrormodule}."
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rm -f "$lockfile"
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elif [[ -e "$lockfile" ]]; then
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printf "Update already in progress at %(%c)T\n" -1 >> "$logfile" 2>&1
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logger -t rsync "Not updating ${mirrormodule}: already in progress."
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exit 1
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fi
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# The actual syncing part
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printf '%s\n' "$$" > "$lockfile"
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printf "Started update at %(%c)T\n" -1 >> "$logfile" 2>&1
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logger -t rsync "Updating ${mirrormodule}"
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rsync "${opts[@]}" "${src}/" "${dst}/" >> "$logfile" 2>&1
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logger -t rsync "Finished updating ${mirrormodule}"
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printf "End: %(%c)T\n" -1 >> "$logfile" 2>&1
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rm -f "$lockfile"
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