diff options
Diffstat (limited to 'cluster/prod/app/backup/build/backup-garage')
| -rw-r--r-- | cluster/prod/app/backup/build/backup-garage/Dockerfile | 2 | ||||
| -rw-r--r-- | cluster/prod/app/backup/build/backup-garage/do-backup.sh | 71 |
2 files changed, 36 insertions, 37 deletions
diff --git a/cluster/prod/app/backup/build/backup-garage/Dockerfile b/cluster/prod/app/backup/build/backup-garage/Dockerfile index ea42331..ffb558c 100644 --- a/cluster/prod/app/backup/build/backup-garage/Dockerfile +++ b/cluster/prod/app/backup/build/backup-garage/Dockerfile @@ -1,6 +1,6 @@ FROM alpine:3.17 -RUN apk add rclone btrfs-progs curl bash jq +RUN apk add rclone curl bash jq COPY do-backup.sh /do-backup.sh diff --git a/cluster/prod/app/backup/build/backup-garage/do-backup.sh b/cluster/prod/app/backup/build/backup-garage/do-backup.sh index 36ba2f2..c8e01aa 100644 --- a/cluster/prod/app/backup/build/backup-garage/do-backup.sh +++ b/cluster/prod/app/backup/build/backup-garage/do-backup.sh @@ -1,34 +1,53 @@ #!/usr/bin/env bash -# DEPENDENCIES: btrfs-progs curl rclone jq - +# DESCRIPTION: +# Script to backup all buckets on a Garage cluster using rclone. +# +# REQUIREMENTS: +# An access key for the backup script must be created in Garage beforehand. +# This script will use the Garage administration API to grant read access +# to this key on all buckets. +# +# A rclone configuration file is expected to be located at `/etc/secrets/rclone.conf`, +# which contains credentials to the following two remotes: +# garage: the Garage server, for read access (using the backup access key) +# backup: the backup location +# +# DEPENDENCIES: (see Dockerfile) +# curl +# jq +# rclone +# # PARAMETERS (environmenet variables) -# $BACKUP_BASEDIR => where to store backups and btrfs snapshots +# $GARAGE_ADMIN_API_URL => Garage administration API URL (e.g. http://localhost:3903) # $GARAGE_ADMIN_TOKEN => Garage administration access token -# $GARAGE_ACCESS_KEY => Garage access key -# $GARAGE_SECRET_KEY => Garage secret key +# $GARAGE_ACCESS_KEY => Garage access key ID +# $TARGET_BACKUP_DIR => Folder on the backup remote where to store buckets -if [ -z "$BACKUP_BASEDIR" -o -z "$GARAGE_ACCESS_KEY" -o -z "$GARAGE_ADMIN_TOKEN" ]; then +if [ -z "$GARAGE_ACCESS_KEY" -o -z "$GARAGE_ADMIN_TOKEN" -o -z "$GARAGE_ADMIN_API_URL" ]; then echo "Missing parameters" fi -if [ ! -d "$BACKUP_BASEDIR/buckets" ]; then - btrfs subvolume create "$BACKUP_BASEDIR/buckets" -fi - +# copy potentially immutable file to a mutable location, +# otherwise rclone complains +mkdir -p /root/.config/rclone +cp /etc/secrets/rclone.conf /root/.config/rclone/rclone.conf function gcurl { curl -s -H "Authorization: Bearer $GARAGE_ADMIN_TOKEN" $@ } -BUCKETS=$(gcurl "http://localhost:3903/v0/bucket" | jq -r '.[].id') +BUCKETS=$(gcurl "$GARAGE_ADMIN_API_URL/v0/bucket" | jq -r '.[].id') + +mkdir -p /tmp/buckets-info for BUCKET in $BUCKETS; do echo "==== BUCKET $BUCKET ====" - gcurl "http://localhost:3903/v0/bucket?id=$BUCKET" > "$BACKUP_BASEDIR/buckets/$BUCKET.json" + gcurl "http://localhost:3903/v0/bucket?id=$BUCKET" > "/tmp/buckets-info/$BUCKET.json" + rclone copy "/tmp/buckets-info/$BUCKET.json" "backup:$TARGET_BACKUP_DIR/" 2>&1 - ALIASES=$(jq -r '.globalAliases[]' < "$BACKUP_BASEDIR/buckets/$BUCKET.json") + ALIASES=$(jq -r '.globalAliases[]' < "/tmp/buckets-info/$BUCKET.json") echo "(aka. $ALIASES)" case $ALIASES in @@ -41,10 +60,6 @@ for BUCKET in $BUCKETS; do *) echo "Backing up $BUCKET" - if [ ! -d "$BACKUP_BASEDIR/buckets/$BUCKET" ]; then - mkdir "$BACKUP_BASEDIR/buckets/$BUCKET" - fi - gcurl -X POST -H "Content-Type: application/json" --data @- "http://localhost:3903/v0/bucket/allow" >/dev/null <<EOF { "bucketId": "$BUCKET", @@ -53,32 +68,16 @@ for BUCKET in $BUCKETS; do } EOF - rclone sync --s3-endpoint http://localhost:3900 \ - --s3-access-key-id $GARAGE_ACCESS_KEY \ - --s3-secret-access-key $GARAGE_SECRET_KEY \ - --s3-region garage \ - --s3-force-path-style \ - --transfers 32 \ + rclone sync \ + --transfers 32 \ --fast-list \ --stats-one-line \ --stats 10s \ --stats-log-level NOTICE \ - ":s3:$BUCKET" "$BACKUP_BASEDIR/buckets/$BUCKET" 2>&1 + "garage:$BUCKET" "backup:$TARGET_BACKUP_DIR/$BUCKET" 2>&1 ;; esac done echo "========= DONE SYNCHRONIZING ==========" -if [ ! -d "$BACKUP_BASEDIR/snapshots" ]; then - mkdir "$BACKUP_BASEDIR/snapshots" -fi - -SNAPSHOT="$BACKUP_BASEDIR/snapshots/buckets-$(date +%F)" -if [ ! -e "$SNAPSHOT" ]; then - echo "Making snapshot: $SNAPSHOT" - btrfs subvolume snapshot "$BACKUP_BASEDIR/buckets" "$SNAPSHOT" - btrfs prop set "$SNAPSHOT" ro true -fi - - |