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Update dns data for dynamic ip addresses

Project Description

General

ddupdate is a tool for automatically updating dns data for a system using for example DHCP. It makes it possible to access such a system with a fixed dns name like myhost.somewhere.net even if the IP address is changed. It is a linux-centric, user-friendly and secure alternative to the ubiquitous ddclient.

Status

Beta. The plugin API will be kept stable up to 1.0.0, and there should be no incompatible CLI changes.

At the time of writing 14 free services are supported. There are also 7 address plugins. Together, this should cover most usecases based on freely available services.

Still, this is beta and there is most likely bugs out there.

Dependencies

  • python3 (tested on 3.6 and 3.4)
  • The /usr/sbin/ip command is used in some plugins.
  • python3-setuptools (build)
  • pkg-config (build)

Installation

ddupdate can be run as a regular user straight off the cloned git directory. To make it possible to run from anywhere make a symlink:

$ ln -s $PWD/ddupdate $HOME/bin/ddupdate

It is also possible to install as a pypi package using:

$ sudo pip install ddupdate --prefix=/usr/local

See CONTRIBUTE.md for more info on using the pypi package.

ddupdate is part of Fedora from Fedora 28. Fedora 27, CentOS/EPEL and Mageia users can install native rpm packages from https://copr.fedorainfracloud.org/coprs/leamas/ddupdate/.

Ubuntu users can install native .deb packages using the PPA at https://launchpad.net/~leamas-alec/+archive/ubuntu/ddupdate

ddupdate is part of the Debian sid distribution. CONTRIBUTE.md describes how to create packages for other Debian distributions. Overall, using native packages is the preferred installation method on platforms supporting this.

Configuration

This is the fast track assuming that you are using a native package and mainstream address options. If running into troubles, see the manual steps described in CONFIGURATION.md.

Start with running `ddupdate --list-services`. Pick a supported service and check it using `ddupdate --help <service>`.

At this point you need to register with the relevant website. The usual steps are to first create an account and then, using the account, create a host. The process should end up with a hostname, a user and a secret password (some sites just uses an API key).

Then start the configuration script `ddupdate-config`. The script guides you through the configuration and updates several files, notably ~/.config/ddupdate.conf and ~/.netrc.

After running the script it should be possible to run a plain `ddupdate -l debug` without error messages.

When this works, systemd should be configured as described below.

Configuring systemd

systemd is setup to run as a user service. Start by testing it:

$ sudo systemctl --user daemon-reload
$ sudo systemctl --user start ddupdate.service
$ sudo journalctl --user -u ddupdate.service

If all is fine make sure ddupdate is run hourly using:

$ sudo systemctl --user start ddupdate.timer
$ sudo systemctl --user enable ddupdate.timer

If you want the service to start as soon as the machine boots, and to continue even when you log out do:

$ sudo loginctl enable-linger $USER

If there is trouble or if you for example want to run ddupdate more often, edit the files ~/.config/systemd/user/ddupdate.service and ~/.config/systemd/user/ddupdate.timer

Configuring NetworkManager

NetworkManager can be configured to start/stop ddupdate when interfaces goes up or down. An example script to drop in /etc/NetworkManager/dispatcher.d is distributed in the package.

Release History

This version
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0.6.0

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0.5.3

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0.5.2

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0.5.1

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0.5.0

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0.4.1

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0.4.0

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0.3.0

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0.2.1

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0.2.0

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0.1.0

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0.0.6

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0.0.5

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0.0.4

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0.0.3

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0.0.2

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0.0.1

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Filename, Size & Hash SHA256 Hash Help File Type Python Version Upload Date
ddupdate-0.6.0.tar.gz
(25.9 kB) Copy SHA256 Hash SHA256
Source None Feb 18, 2018

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