pdnsbackup 1.0.9

Backup tool for PowerDNS database

What is this?

Backup tool for PowerDNS database (MySQL) to local or S3 storage in bind format. Open metrics are also computed on your feched zones.

PyPI

Deploy the pdnsbackup tool in your server with the pip command.

pip install pdnsbackup

Usage

After installation, you can execute the pdnsbackup to start-it.

$ pdnsbackup -h
usage: -c [-h] [-c C] [-e E] [-v]

options:
  -h, --help  show this help message and exit
  -c C        external config file
  -e E        env config file
  -v          debug mode

Configuration

This tool can be configurated with severals ways. See the default config file:

• from external configuration file (-c config argument)

• from environment variables (-e env file argument)

Variables	Description
PDNSBACKUP_DEBUG	debug mode 1 or 0
PDNSBACKUP_GMYSQL_ENABLED	set to 1 to enable gmysql backend, enabled by default
PDNSBACKUP_GMYSQL_HOST	mysql port, default is 127.0.0.1
PDNSBACKUP_GMYSQL_PORT	mysql port, default is 3306
PDNSBACKUP_GMYSQL_SSL	enable ssl, default is 0
PDNSBACKUP_GMYSQL_DBNAME	mysql database name
PDNSBACKUP_GMYSQL_USER	mysql user
PDNSBACKUP_GMYSQL_PASSWORD	mysql password
PDNSBACKUP_FILE_ENABLED	set to 1 enable backup to file, enabled by default
PDNSBACKUP_FILE_PATH_BIND	zone bind path in named.conf
PDNSBACKUP_FILE_PATH_OUTPUT	output folder of the export
PDNSBACKUP_S3_ENABLED	set to 1 enable backup to S3 storage, disabled by default
PDNSBACKUP_S3_ENDPOINT_URL	your s3 url
PDNSBACKUP_S3_SSL_VERIFY	disable ssl verify
PDNSBACKUP_S3_ACCESS_KEY_ID	your access key
PDNSBACKUP_S3_SECRET_ACCESS_KEY	your secret access key
PDNSBACKUP_S3_BUCKET_NAME	bucket name
PDNSBACKUP_S3_BACKUP_FILE	backup file name
PDNSBACKUP_S3_BACKUP_DELETE_OLDER	delete backups older than xx days
PDNSBACKUP_METRICS_ENABLED	export open metrics
PDNSBACKUP_METRICS_PROM_FILE	write metrics to file path

Metrics

This tool can be used to compute statistics on your DNS records.

Variables	Description
pdnsbackup_status	Status of the backup process
pdnsbackup_zones_total	Total number of zones
pdnsbackup_zones_empty_total	Total number of empty zones
pdnsbackup_records_total	Total number of records per DNS zones
pdnsbackup_wildcards_total	Total number of DNS wilcards
pdnsbackup_delegations_total	Total number of DNS delegations
pdnsbackup_rrtypes_total	Total number of records per type (A, AAAA, CNAME, ...)

Docker run

sudo docker run --rm --env-file ./.env --name=pdnsbackup dmachard/pdnsbackup:latest

Run from source

Create a .env file to populate your variable

Create a virtualenv

python -m venv venv
source venv/bin/activate

Install requirements and run-it

python3 -m pip install -r requirements.txt
python3 -c "import pdnsbackup; pdnsbackup.run();"
python3 -c "import pdnsbackup; pdnsbackup.run();" -c tests/config.yml
python3 -c "import pdnsbackup; pdnsbackup.run();" -e tests/.env

Build and run from docker image

sudo docker build . --file Dockerfile -t pdnsbackup

Run tests

Run all tests

python -m unittest discover -v tests/

Run one by one

python -m unittest -v tests.test_config
python -m unittest -v tests.test_parser
python -m unittest -v tests.test_import
python -m unittest -v tests.test_export_file
python -m unittest -v tests.test_export_metrics