137 lines
4.2 KiB
Bash
Executable File
137 lines
4.2 KiB
Bash
Executable File
#!/bin/bash
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#
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# Federated Backup / Restore Tool to B2 Backblaze
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. /federated/lib/functions.sh
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usage() {
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cat << EOF
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Backup to Backblaze
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Usage: $0 [options] service
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Arguments:
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service Service to backup or 'all' for all services
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Options
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-l List files in a backup
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-b Perform backup of a service
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-d Delete backups of a service
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-r Restore a backup of a service
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EOF
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exit 2;
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}
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createbucket() {
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if [ ! -f "/federated/bin/.b2init" ]; then
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UUID=`uuid`
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B2_APPLICATION_KEY_ID="$B2_APPLICATION_KEY_ID" B2_APPLICATION_KEY="$B2_APPLICATION_KEY" /federated/bin/b2-linux create_bucket $UUID allPrivate
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echo "$UUID" > /federated/bin/.b2init
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fi
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}
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listbackup() {
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echo "* Listing backup files in $SERVICE.."
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PASSPHRASE=$GPG_PASSPHRASE duplicity list-current-files b2://$B2_APPLICATION_KEY_ID:$B2_APPLICATION_KEY@$UUID/$SERVICE/
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}
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backupservice() {
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echo "* Backing up $SERVICE.."
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if [ "$SERVICE" = "postgresql" ]; then
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docker exec postgresql /bin/bash -c "pg_dumpall -c -U postgres | gzip -9 > /docker-entrypoint-initdb.d/dump_`date +%m-%d-%Y`.sql.gz"
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PASSPHRASE=$GPG_PASSPHRASE duplicity /federated/apps/$SERVICE b2://$B2_APPLICATION_KEY_ID:$B2_APPLICATION_KEY@$UUID/$SERVICE/
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rm /federated/apps/postgresql/data/docker-entrypoint-initdb.d/dump_*
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else
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PASSPHRASE=$GPG_PASSPHRASE duplicity /federated/apps/$SERVICE b2://$B2_APPLICATION_KEY_ID:$B2_APPLICATION_KEY@$UUID/$SERVICE/
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fi
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}
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backupserviceall() {
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echo "* Backing up all services.."
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for i in "${SERVICES[@]}"; do
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echo "** Backing up $i.."
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if [ "$SERVICE" = "postgresql" ]; then
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docker exec postgresql /bin/bash -c "pg_dumpall -c -U postgres | gzip -9 > /docker-entrypoint-initdb.d/dump_`date +%m-%d-%Y`.sql.gz"
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PASSPHRASE=$GPG_PASSPHRASE duplicity /federated/apps/$i b2://$B2_APPLICATION_KEY_ID:$B2_APPLICATION_KEY@$UUID/$i/
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rm /federated/apps/postgresql/data/docker-entrypoint-initdb.d/dump_*
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else
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PASSPHRASE=$GPG_PASSPHRASE duplicity /federated/apps/$i b2://$B2_APPLICATION_KEY_ID:$B2_APPLICATION_KEY@$UUID/$i/
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fi
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done
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}
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deletebackup() {
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mkdir -p /federated/tmp/empty
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cd /federated/tmp/empty && /federated/bin/b2-linux sync --allowEmptySource --delete . b2://$UUID/$SERVICE/
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cd /federated && rm -rf /federated/tmp/empty
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}
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restorebackup() {
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echo "* Restoring $SERVICE.."
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PASSPHRASE=$GPG_PASSPHRASE duplicity --force b2://$B2_APPLICATION_KEY_ID:$B2_APPLICATION_KEY@$UUID/$SERVICE/ /federated/apps/$SERVICE
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}
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restorebackupall() {
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echo "* Restoring all services.."
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for i in "${SERVICES[@]}"; do
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echo "** Restoring $i.."
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PASSPHRASE=$GPG_PASSPHRASE duplicity --force b2://$B2_APPLICATION_KEY_ID:$B2_APPLICATION_KEY@$UUID/$i/ /federated/apps/$i
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done
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}
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while getopts "lbdr" OPTION; do
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case $OPTION in
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l)
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LIST_BACKUP="true";
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;;
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b)
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RUN_BACKUP="true";
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;;
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d)
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RUN_DELETE="true";
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;;
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r)
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RUN_RESTORE="true";
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;;
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*)
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usage;
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exit 2;
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esac
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done
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if [ $# -ne 2 ]; then
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usage;
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fi
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SERVICE=$2
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if [ -f "/federated/bin/.gpg.backblaze" ]; then
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GPG_PASSPHRASE=`cat /federated/bin/.gpg.backblaze`
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else
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GPG_PASSPHRASE=$(create_password);
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echo "$GPG_PASSPHRASE" > /federated/bin/.gpg.backblaze
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fi
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if [ -f "/federated/bin/.env" ]; then
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. /federated/bin/.env
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[ -z "$B2_APPLICATION_KEY_ID" ] && failcheck "/federated/bin/.env doesn't include B2_APPLICATION_KEY_ID for backups"
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[ -z "$B2_APPLICATION_KEY" ] && failcheck "/federated/bin/.env doesn't include B2_APPLICATION_KEY for backups"
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else
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failcheck "Could not find an .env file."
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fi
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[ -f "/federated/bin/.b2init" ] && UUID=`cat /federated/bin/.b2init`
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[ $LIST_BACKUP ] && listbackup
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[ $RUN_DELETE ] && deletebackup
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if [ $RUN_RESTORE ]; then
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if printf '%s\0' "${SERVICES[@]}" | grep -Fxqz -- "$SERVICE"; then
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restorebackup
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elif [ "$SERVICE" = "all" ]; then
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restorebackupall
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else
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failcheck "$SERVICE is not a valid service"
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fi
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fi
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if [ $RUN_BACKUP ]; then
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if printf '%s\0' "${SERVICES[@]}" | grep -Fxqz -- "$SERVICE"; then
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createbucket
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backupservice
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elif [ "$SERVICE" = "all" ]; then
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createbucket
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backupserviceall
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else
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failcheck "$SERVICE is not a valid service"
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fi
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fi
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