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Fedora MirrorManager

MirrorManager2 is a rewrite of mirrormanager using flask and SQLAlchemy.

MirrorManager is the application that keeps track of the nearly 400 public mirrors, and over 300 private mirrors, that carry Fedora, EPEL, and RHEL content, and is used by, a third party repository. It automatically selects the "best" mirror for a given user based on a set of fallback heuristics.

Github mirror:
Mailing list for announcements and discussions:


Hacking with Vagrant

Quickly start hacking on mirrormanager2 using the vagrant setup that is included in the repo is super simple.

First, make a copy of the Vagrantfile example:

$ cp Vagrantfile.example Vagrantfile

Next, install Ansible, Vagrant and the vagrant-libvirt plugin from the official Fedora repos:

$ sudo dnf install ansible vagrant vagrant-libvirt vagrant-sshfs

Now, from within main directory (the one with the Vagrantfile in it) of your git checkout of mirrormanager2, run the vagrant up command to provision your dev environment:

$ vagrant up

When this command is completed (it may take a while) you will be able to the command to start the mirrormanager server:

$ vagrant ssh -c "pushd /vagrant/; python --host ''"

Once that is running, simply go to http://localhost:5000/ in your browser on your host to see your running mirrormanager test instance.

Manual Setup

Here are some preliminary instructions about how to stand up your own instance of mirrormanager2. All required packages for MirrorManager2 are part of Fedora or RHEL/CentOS/EPEL. In the following example we will, however use a virtualenv and a sqlite database and we will install our dependencies from the Python Package Index (PyPI).

First, set up a virtualenv:

$ sudo yum install python-virtualenv
$ virtualenv my-MirrorMan-env
$ source my-MirrorMan-env/bin/activate

Issuing that last command should change your prompt to indicate that you are operating in an active virtualenv.

Next, install your dependencies:

(my-MirrorMan-env)$ pip install -r requirements.txt

Now the protobuf deinition needs to be compiled to Python:

(my-MirrorMan-env)$ protoc --python_out=mirrorlist mirrormanager.proto
(my-MirrorMan-env)$ protoc --python_out=mirrormanager2/lib mirrormanager.proto

You should then create your own sqlite database for your development instance of mirrormanager2:

(my-MirrorMan-env)$ python

If all goes well, you can start a development instance of the server by running:

(my-MirrorMan-env)$ python

Open your browser and visit http://localhost:5000 to check it out.

Once you made your changes please run the test suite to verify that nothing covered by tests has been broken:

(my-MirrorMan-env)$ ./


Rewrite of the MirrorManager application in Flask and SQLAlchemy



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