grafana_backup.sh

#!/usr/bin/env bash

task_name=$1
days_to_keep=$2
debug=$3

wp_source_dir=/var/lib/docker/volumes/zabbix-docker_grafana_storage/_data
config_source_dir=deploy_configs
backup_dir_name=./grafana_backup
combine_file_name=grafana
gdrive_folder_id=1tZGviGEa72TSxCFjO6Gz3-de9c5AFvfe

keep_log_lines=300

if [[ -z $task_name || -z $days_to_keep ||  ! "$task_name" =~ ^(daily|monthly|yearly)$ ]]; then
    echo "Need args: task_name (daily, monthly, yearly), days_to_keep (7, 186, 1825), [debug (true)]"
    echo "In cron: daily 7 copies, monthly 6 copies, yearly 5 copies"
    exit 1
fi

timestamp=$(date +%Y-%m-%d"T"%H%M%S)
logfile_name="$task_name"_backup.log
backup_task_path=$backup_dir_name/$task_name
logfile_path="$backup_task_path/$logfile_name"
backup_path_timestamp=$backup_dir_name/$task_name/$timestamp

if [[ -n $debug ]]; then
echo "===DEBUG==="
echo '$task_name: '$task_name
echo '$days_to_keep: '$days_to_keep
echo '$logfile_name: '$logfile_name
echo '$logfile_path: '$logfile_path
echo '$backup_dir_name: '$backup_dir_name
echo '$backup_task_path: '$backup_task_path
echo '$backup_path_timestamp: '$backup_path_timestamp
echo "===DEBUG==="
echo
fi

mkdir --parents $backup_path_timestamp

echo "$task_name backup has started: $timestamp" |& tee -a $logfile_path

# Grafana files backup
echo "Grafana..." |& tee -a $logfile_path
tar -czf "$backup_path_timestamp/grafana_$timestamp.tar.gz" --absolute-names $wp_source_dir \
|& tee -a "$logfile_path"

# Env and settings files backup
echo "Settings..." |& tee -a $logfile_path
tar -czf "$backup_path_timestamp/config_$timestamp.tar.gz" $config_source_dir .env \
|& tee -a "$logfile_path"

# Combine files
echo "Combine it into one file..." |& tee -a $logfile_path
tar -cf "$backup_task_path"/"$combine_file_name"_"$timestamp.tar" \
"$backup_path_timestamp/grafana_$timestamp.tar.gz" \
"$backup_path_timestamp/config_$timestamp.tar.gz"
rm -rf $backup_path_timestamp

# Backup to Google Drive
if [[ "$task_name" =~ ^(monthly|yearly)$ ]]; then
    echo "Uploading to google drive..." |& tee -a $logfile_path
    echo gdrive_folder_id: $gdrive_folder_id "$backup_task_path"/"$combine_file_name"_"$timestamp.tar" |& tee -a $logfile_path
    gdrive upload --parent $gdrive_folder_id "$backup_task_path"/"$combine_file_name"_"$timestamp.tar"
fi

# Backup to Yandex Disk
if [[ "$task_name" =~ ^(monthly|yearly)$ ]]; then
    echo "Uploading to yandex disk..." |& tee -a $logfile_path
    yandex_token=$(grep YANDEX_TOKEN .env | cut -f2 -d=)
    filepath="$backup_task_path"/"$combine_file_name"_"$timestamp.tar"
    filename="$combine_file_name"_"$timestamp.tar"
    ya_disk_path="Backups/grafana_backup/$filename"
    echo ya_disk_path: "$ya_disk_path" |& tee -a $logfile_path

    curl -v -H "Authorization: OAuth $yandex_token" \
            -H "Etag: $(md5sum $filepath | cut -f1 -d' ')" \
            -H "Sha256: $(sha256sum $filepath | cut -f1 -d' ')" \
            -H "Content-Type: application/binary" \
            -X PUT https://webdav.yandex.ru/"$ya_disk_path" \
            --data-binary "@$filepath" \
            |& tee -a /dev/null
fi

# Log rotate
tail -n $keep_log_lines $logfile_path > /tmp/"$logfile_name".tmp
mv -f /tmp/"$logfile_name".tmp $logfile_path

# Rotate backups
echo "Delete files older than $days_to_keep (Day/Days)" |& tee -a $logfile_path
find $backup_task_path/* ! -path $logfile_path -mtime +$days_to_keep |& tee -a $logfile_path
find $backup_task_path/* ! -path $logfile_path -mtime +$days_to_keep -delete |& tee -a $logfile_path
echo "Deletion completed" |& tee -a $logfile_path

timestamp=$(date +%Y-%m-%d"T"%H%M%S)
echo "Backup was ended at: "$timestamp |& tee -a $logfile_path
echo |& tee -a $logfile_path  # A newline at the end of the file.

if [[ -n $debug ]]; then

echo "===DEBUG==="
echo "===CAT==="
cat $logfile_path
echo

echo "===TREE==="
tree $backup_dir_name -pugsh
echo "===DEBUG==="
echo
fi

exit