Wavyzz/docker-volume-backup
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allow local storage of backups

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This commit is contained in:
Frederik Ring
2021-08-19 09:25:53 +02:00
parent 4b59089e3d
commit 767c21ef65
6 changed files with 74 additions and 19 deletions
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45
src/backup.sh
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@@ -77,13 +77,24 @@ if [ "$CONTAINERS_TO_STOP_TOTAL" != "0" ]; then
fi
fi
copy_backup () {
mc cp $MC_GLOBAL_OPTIONS "$BACKUP_FILENAME" "$1"
}
if [ ! -z "$AWS_S3_BUCKET_NAME" ]; then
info "Uploading backup to remote storage"
echo "Will upload to bucket \"$AWS_S3_BUCKET_NAME\"."
mc cp $MC_GLOBAL_OPTIONS "$BACKUP_FILENAME" "backup-target/$AWS_S3_BUCKET_NAME"
copy_backup "backup-target/$AWS_S3_BUCKET_NAME"
echo "Upload finished."
fi
if [ -d "$BACKUP_ARCHIVE" ]; then
info "Copying backup to local archive"
echo "Will copy to \"$BACKUP_ARCHIVE\"."
copy_backup "$BACKUP_ARCHIVE"
echo "Finished copying."
fi
if [ -f "$BACKUP_FILENAME" ]; then
info "Cleaning up"
rm -vf "$BACKUP_FILENAME"
@@ -92,16 +103,12 @@ fi
info "Backup finished"
echo "Will wait for next scheduled backup."
if [ ! -z "$BACKUP_RETENTION_DAYS" ]; then
info "Pruning old backups"
echo "Sleeping ${BACKUP_PRUNING_LEEWAY} before checking eligibility."
sleep "$BACKUP_PRUNING_LEEWAY"
bucket=$AWS_S3_BUCKET_NAME
prune () {
target=$1
rule_applies_to=$(
mc rm $MC_GLOBAL_OPTIONS --fake --recursive -force \
mc rm $MC_GLOBAL_OPTIONS --fake --recursive --force \
--older-than "${BACKUP_RETENTION_DAYS}d" \
"backup-target/$bucket" \
"$target" \
| wc -l
)
if [ "$rule_applies_to" == "0" ]; then
@@ -110,7 +117,7 @@ if [ ! -z "$BACKUP_RETENTION_DAYS" ]; then
exit 0
fi
total=$(mc ls $MC_GLOBAL_OPTIONS "backup-target/$bucket" | wc -l)
total=$(mc ls $MC_GLOBAL_OPTIONS "$target" | wc -l)
if [ "$rule_applies_to" == "$total" ]; then
echo "Using a retention of ${BACKUP_RETENTION_DAYS} days would prune all currently existing backups, will not continue."
@@ -119,7 +126,21 @@ if [ ! -z "$BACKUP_RETENTION_DAYS" ]; then
fi
mc rm $MC_GLOBAL_OPTIONS \
--recursive -force \
--older-than "${BACKUP_RETENTION_DAYS}d" "backup-target/$bucket"
--recursive --force \
--older-than "${BACKUP_RETENTION_DAYS}d" "$target"
echo "Successfully pruned ${rule_applies_to} backups older than ${BACKUP_RETENTION_DAYS} days."
}
if [ ! -z "$BACKUP_RETENTION_DAYS" ]; then
info "Pruning old backups"
echo "Sleeping ${BACKUP_PRUNING_LEEWAY} before checking eligibility."
sleep "$BACKUP_PRUNING_LEEWAY"
if [ ! -z "$AWS_S3_BUCKET_NAME" ]; then
info "Pruning old backups from remote storage"
prune "backup-target/$bucket"
fi
if [ -d "$BACKUP_ARCHIVE" ]; then
info "Pruning old backups from local archive"
prune "$BACKUP_ARCHIVE"
fi
fi