85 lines
3 KiB
Bash
85 lines
3 KiB
Bash
#!/usr/bin/env bash
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# DEPENDENCIES: btrfs-progs curl rclone jq
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# PARAMETERS (environmenet variables)
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# $BACKUP_BASEDIR => where to store backups and btrfs snapshots
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# $GARAGE_ADMIN_TOKEN => Garage administration access token
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# $GARAGE_ACCESS_KEY => Garage access key
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# $GARAGE_SECRET_KEY => Garage secret key
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if [ -z "$BACKUP_BASEDIR" -o -z "$GARAGE_ACCESS_KEY" -o -z "$GARAGE_ADMIN_TOKEN" ]; then
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echo "Missing parameters"
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fi
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if [ ! -d "$BACKUP_BASEDIR/buckets" ]; then
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btrfs subvolume create "$BACKUP_BASEDIR/buckets"
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fi
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function gcurl {
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curl -s -H "Authorization: Bearer $GARAGE_ADMIN_TOKEN" $@
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}
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BUCKETS=$(gcurl "http://localhost:3903/v0/bucket" | jq -r '.[].id')
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for BUCKET in $BUCKETS; do
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echo "==== BUCKET $BUCKET ===="
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gcurl "http://localhost:3903/v0/bucket?id=$BUCKET" > "$BACKUP_BASEDIR/buckets/$BUCKET.json"
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ALIASES=$(jq -r '.globalAliases[]' < "$BACKUP_BASEDIR/buckets/$BUCKET.json")
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echo "(aka. $ALIASES)"
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case $ALIASES in
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*backup*)
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echo "Skipping $BUCKET (not doing backup of backup)"
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;;
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*cache*)
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echo "Skipping $BUCKET (not doing backup of cache)"
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;;
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*)
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echo "Backing up $BUCKET"
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if [ ! -d "$BACKUP_BASEDIR/buckets/$BUCKET" ]; then
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mkdir "$BACKUP_BASEDIR/buckets/$BUCKET"
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fi
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gcurl -X POST -H "Content-Type: application/json" --data @- "http://localhost:3903/v0/bucket/allow" >/dev/null <<EOF
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{
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"bucketId": "$BUCKET",
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"accessKeyId": "$GARAGE_ACCESS_KEY",
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"permissions": {"read": true}
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}
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EOF
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rclone sync --s3-endpoint http://localhost:3900 \
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--s3-access-key-id $GARAGE_ACCESS_KEY \
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--s3-secret-access-key $GARAGE_SECRET_KEY \
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--s3-region garage \
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--s3-force-path-style \
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--transfers 32 \
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--fast-list \
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--stats-one-line \
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--stats 10s \
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--stats-log-level NOTICE \
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":s3:$BUCKET" "$BACKUP_BASEDIR/buckets/$BUCKET" 2>&1
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;;
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esac
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done
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echo "========= DONE SYNCHRONIZING =========="
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if [ ! -d "$BACKUP_BASEDIR/snapshots" ]; then
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mkdir "$BACKUP_BASEDIR/snapshots"
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fi
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SNAPSHOT="$BACKUP_BASEDIR/snapshots/buckets-$(date +%F)"
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if [ ! -e "$SNAPSHOT" ]; then
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echo "Making snapshot: $SNAPSHOT"
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btrfs subvolume snapshot "$BACKUP_BASEDIR/buckets" "$SNAPSHOT"
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btrfs prop set "$SNAPSHOT" ro true
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fi
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