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docker-backup-gpg-s3/backup.sh
matthias 140f33ee9b
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„backup.sh“ ändern
2019-11-28 08:09:30 +00:00

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#!/bin/sh
BACKUP_DATE=$(date +"%Y-%m-%d")
BACKUP_BASENAME=$S3_BUCKET_NAME$BACKUP_DATE.tar
SKIP_XZ=${ONLY_TAR:-0}
month_day=`date +"%d"`
if [ $SKIP_XZ -ne 0 ]; then
TAR_PARAM=
BACKUP_FILENAME=daily_$BACKUP_BASENAME
BACKUP_FILENAME_MONTHLY=monthly_$BACKUP_BASENAME
else
TAR_PARAM=-J
BACKUP_FILENAME=daily_$BACKUP_BASENAME.xz
BACKUP_FILENAME_MONTHLY=monthly_$BACKUP_BASENAME.xz
fi
healthchck_fail(){
if [ -n $HEALTHCHECK_URL ]; then
curl -X POST --data $1 --retry 3 $HEALTHCHECK_URL/fail --silent --output /dev/null
exit 1
fi
}
healthchck_start(){
if [ -n $HEALTHCHECK_URL ]; then
curl -X POST --data $1 --retry 3 $HEALTHCHECK_URL/start --silent --output /dev/null
fi
}
healthchck_ok(){
if [ -n $HEALTHCHECK_URL ]; then
curl -X POST --data $1 --retry 3 $HEALTHCHECK_URL --silent --output /dev/null
fi
}
healthchck_start "Starting Update"
cd /backup
echo "make archive"
tar -c --checkpoint=.1000 ${TAR_PARAM} ${TAR_EXTRA_PARAM} -f ~/$BACKUP_FILENAME ./* || healthchck_fail "TAR Failed"
cd /
echo " done"
RECIPIENT=$(echo "$GPG_RECIPIENT" | sed "s/,/ --recipient /")
echo "encrypting"
gpg --trust-model always --enable-progress-filter --output ~/$BACKUP_FILENAME.gpg --encrypt --recipient $RECIPIENT ~/$BACKUP_FILENAME || healthchck_fail "Encryption Failed"
rm ~/$BACKUP_FILENAME
echo "uploading"
aws s3 cp ~/$BACKUP_FILENAME.gpg s3://$S3_BUCKET_NAME/$BACKUP_FILENAME.gpg --storage-class STANDARD_IA || healthchck_fail "Upload Failed"
rm ~/$BACKUP_FILENAME.gpg
echo "done"
# On first month day do
if [ "$month_day" -eq 1 ] ; then
echo "make monthly backup"
aws s3 cp s3://$S3_BUCKET_NAME/$BACKUP_FILENAME.gpg s3://$S3_BUCKET_NAME/$BACKUP_FILENAME_MONTHLY.gpg --storage-class DEEP_ARCHIVE || healthchck_fail "failed to create monthly backup"
fi
healthchck_ok "Success"