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50 lines
1.7 KiB
Bash
50 lines
1.7 KiB
Bash
#!/bin/bash
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#
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#
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#
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# Fail fast and be aware of exit codes
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set -euo pipefail
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# Define some variables
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DATE=$(date +%F)
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DATE_TIME=$(date +%F_%H:%M)
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REMOTE_SYSTEM_USER=backupuser
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DATABASE_SERVER_IP=$1
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STAGE=$2
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DATABASE_ENGINE=$3
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DEST_DIR=${HOME}/backups/${STAGE}/${DATABASE_ENGINE}
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BACKUP_STATUS_FILE=${DEST_DIR}/${DATE}/backup_finished_${DATE}_*
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METRICS_FILE=${HOME}/backup_status_${DATABASE_ENGINE}.prom
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LOG_FILE=${DEST_DIR}/backup_${DATE_TIME}.log
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# Redirect stderr to stdout and save everything to log file
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exec > ${LOG_FILE} 2>&1
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# Log backup sync start time
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echo "----- Start backup Sync - ${DATE_TIME} -----"
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# Create backup directory ${DEST_DIR} if not exist
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mkdir -p ${DEST_DIR}
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# Remove files oder than 48h in ${DEST_DIR}
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find $DEST_DIR -type d -mtime +1 -print0 | xargs -I OLD_DIR -0 rm -rf "OLD_DIR"
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[ "$?" != "0" ] && exit 1
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# Start rsync job from ${DATABASE_SERVER_IP} to ${DEST_DIR}/
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rsync -av --remove-source-files -e "ssh -o StrictHostKeyChecking=no" ${REMOTE_SYSTEM_USER}@${DATABASE_SERVER_IP}:/backups/${DATABASE_ENGINE}/ ${DEST_DIR}/
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[ "$?" -eq "0" ] && NIGHTLY_BACKUP_SUCCESSFUL="0" || NIGHTLY_BACKUP_SUCCESSFUL="1"
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# Check existence of current ${BACKUP_STATUS_FILE}, which is created by AWX, in case of succesful database backup only.
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[ -f ${BACKUP_STATUS_FILE} ] && NIGHTLY_BACKUP_SUCCESSFUL="0" || NIGHTLY_BACKUP_SUCCESSFUL="1"
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# Add backup status to Prometheus metrics file
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cat <<EOF > $METRICS_FILE
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# HELP nightly_backup_successful_${DATABASE_ENGINE}
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# TYPE nightly_backup_successful_${DATABASE_ENGINE} gauge
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nightly_backup_successful_${DATABASE_ENGINE}{stage="$STAGE"} $NIGHTLY_BACKUP_SUCCESSFUL
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EOF
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# Log backup sync end time
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echo "----- End backup Sync - ${DATE_TIME} -----"
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