68 lines
1.9 KiB
Bash
68 lines
1.9 KiB
Bash
#! /bin/bash
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#
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# desktop.sh
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# Backup script for desktops. Meant to be sourced by our main backup script
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# Copyright (C) 2020 Vintage Salt <rehashedsalt@cock.li>
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#
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# Distributed under terms of the MIT license.
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#
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set -e
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export OUTDIR="$BACKUPSDIR/{{ inventory_hostname }}"
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retention=7 # 7-day retention period
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# Sanity checks
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if [ -z "$BACKUPSDIR" ]; then
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log "BACKUPSDIR was undefined. Run the main backup script instead of this one."
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return 1
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fi
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if ! [ -d "$OUTDIR" ]; then
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if ! mkdir "$OUTDIR"; then
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log "Unable to find or create output directory: $OUTDIR"
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return 2
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fi
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fi
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# Purge oldest backup if we need to
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currentbackupcount="$(ls -1 "$OUTDIR" | wc -l)"
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if (( currentbackupcount >= retention )); then
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lastbackup="$(find "$OUTDIR" -name \*.tar.gz 2>/dev/null | sort | head -n 1)"
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if [ -f "$lastbackup" ]; then
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log "Removing old backup: $lastbackup"
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rm "$lastbackup"
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fi
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fi
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# WE MAKE BACKUP NOW SERGEI
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for dir in /home/*; do
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username="$(basename -- "$dir")"
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forcefile="$dir/.backup/force"
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[ -d "$dir/.backup" ] || continue
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for file in "$dir/.backup/"*; do [ -e "$file" ] || continue; done
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tar czhf "$OUTDIR/desktop-$username-{{ inventory_hostname }}-$(date -Iseconds).tar.gz" "$dir/.backup/"*
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if (( "$(date +%d)" == "1" )) || [ -f "$forcefile" ]; then
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log "Detected conditions for monthly dump"
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if command -v aws > /dev/null 2>&1 && aws s3 ls "s3://$s3bucket" > /dev/null 2>&1; then
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# Time for huge backups piped straight to S3
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tar cz \
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--exclude "$dir/.ansible" \
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--exclude "$dir/.backup" \
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--exclude "$dir/.cache" \
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--exclude "$dir/.steam" \
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--exclude "$dir/Downloads" \
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--exclude "$dir/Dropbox" \
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--exclude "$dir/Nextcloud" \
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--exclude "$dir/snap" \
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f - "$dir/"* \
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| gzip -c | aws s3 cp - "s3://$s3bucket" \
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--recursive \
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--only-show-errors \
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--store-class STANDARD_IA
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else
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log "Could not satisfy requirements for AWS CLI"
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fi
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[ -f "$forcefile" ] && rm "$forcefile"
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fi
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done
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