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Do not use btrfs snapshots for app backups

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This commit is contained in:
Johannes Zellner
2017-03-29 16:27:07 +02:00
parent 9c6324631d
commit 38178afd31
1 changed files with 4 additions and 16 deletions
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20
src/scripts/backupapp.sh
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@@ -50,11 +50,7 @@ elif [[ "$1" == "filesystem" ]]; then
fi
# perform backup
readonly now=$(date "+%Y-%m-%d-%H%M%S")
readonly app_data_dir="${APPS_DATA_DIR}/${app_id}"
readonly app_data_snapshot="${APPS_DATA_DIR}/snapshots/${app_id}-${now}"
btrfs subvolume snapshot -r "${app_data_dir}" "${app_data_snapshot}"
# will be checked at the end
try=0
@@ -73,24 +69,18 @@ if [[ "$1" == "s3" ]]; then
# use aws instead of curl because curl will always read entire stream memory to set Content-Length
# aws will do multipart upload
if cat "${app_data_snapshot}/config.json" \
if cat "${app_data_dir}/config.json" \
| aws ${optional_args} s3 cp - "${s3_config_url}" 2>"${error_log}"; then
break
fi
cat "${error_log}" && rm "${error_log}"
done
if [[ ${try} -eq 5 ]]; then
echo "Backup failed uploading config.json"
btrfs subvolume delete "${app_data_snapshot}"
exit 3
fi
for try in `seq 1 5`; do
echo "Uploading backup to ${s3_data_url} (try ${try})"
error_log=$(mktemp)
if tar -czf - -C "${app_data_snapshot}" . \
if tar -czf - -C "${app_data_dir}" . \
| openssl aes-256-cbc -e -pass "pass:${password}" \
| aws ${optional_args} s3 cp - "${s3_data_url}" 2>"${error_log}"; then
break
@@ -101,14 +91,12 @@ elif [[ "$1" == "filesystem" ]]; then
mkdir -p $(dirname "${backup_folder}/${backup_config_fileName}")
echo "Storing backup config to ${backup_folder}/${backup_config_fileName}"
cat "${app_data_snapshot}/config.json" > "${backup_folder}/${backup_config_fileName}"
cat "${app_data_dir}/config.json" > "${backup_folder}/${backup_config_fileName}"
echo "Storing backup data to ${backup_folder}/${backup_data_fileName}"
tar -czf - -C "${app_data_snapshot}" . | openssl aes-256-cbc -e -pass "pass:${password}" > "${backup_folder}/${backup_data_fileName}"
tar -czf - -C "${app_data_dir}" . | openssl aes-256-cbc -e -pass "pass:${password}" > "${backup_folder}/${backup_data_fileName}"
fi
btrfs subvolume delete "${app_data_snapshot}"
if [[ ${try} -eq 5 ]]; then
echo "Backup failed uploading backup tarball"
exit 3