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Repository Mirroring Tool

Integration tests Code Climate Coverage Status

This tool allows you to mirror RPM repositories in your own private network. Organization (mirroring) credentials are required to mirror SUSE repositories.

The SLE RMT Book contains the end-user documentation for RMT. man pages for rmt-cli are located in the file

If you would like to contribute to RMT, please see our contribution guide.

If you would like to compare RMT to its predecessor SMT, please see our writeup.

Installation of RMT

Please view our guide to assist you in the RMT installation process.

Development Setup

  1. Install the system dependencies:
    sudo zypper in libxml2-devel libxslt-devel libmariadb-devel gcc
  2. Install the ruby version specified in the .ruby-version file.
  3. Install and start either the MariaDB or MySQL server:
    sudo zypper in mariadb
    sudo systemctl enable mariadb
    sudo systemctl start mariadb
  4. Log into the MariaDB or MySQL server as root and create the RMT database user:
    mysql -u root -p <<EOFF
    GRANT ALL PRIVILEGES ON \`rmt%\`.* TO rmt@localhost IDENTIFIED BY 'rmt';
  5. Clone the RMT repository:
    git clone
  6. Install the ruby dependencies:
    cd rmt
    bundle install
  7. Copy the file config/rmt.yml to config/rmt.local.yml. With this file, override the following default settings:
    • Add your organization credentials to scc section.
    • Ensure that the database section is correct.
  8. Create the directory /var/lib/rmt and ensure that your current user owns it.
    sudo mkdir /var/lib/rmt
    sudo chown -R $(id -u):$(id -g) /var/lib/rmt
  9. Create the development database:
    bin/rails db:create db:migrate
  10. Verify that RMT works:
    • Run the command bin/rails server -b to start the web server.
    • Run the command bin/rmt-cli sync to sync RMT with SCC.

Development Setup - docker-compose

In order to run the application locally using docker-compose:

  1. Copy the .env.example file to .env.
  2. Add your organization credentials to .env file. Mirroring credentials can be obtained from the SUSE Customer Center. At this point you might also want to tweak the EXTERNAL_PORT environment variable from this file if you want to expose the main service with a port different than from the default one.
  3. Change the permissions on the public folder so anyone can access it (i.e. chmod -R 0777 public). This is needed so the docker container can write into this specific directory which is protected by default by the rmt-cli tool.
  4. Build the containers needed by docker-compose:
    docker-compose build
  5. Run everything with docker-compose up.

After doing all this, there will be http://localhost:${EXTERNAL_PORT} exposed to the network of the host, and you will be able to register clients by using this url. At this point, though, notice that there are two ways to run clients in a dockerized fashion as well.

First of all, you can run a client from a custom container (e.g. generated from the SUSE/connect repository). With this in mind, be aware that you need to be on the same network namespace as the host (or the docker-compose setup). You can manage this with the --network flag of the docker run command. One easy way to achieve this is to set the network as the one from the host: docker run --network=host <...>. Moreover, notice that dmidecode, which is run by SUSEConnect, will try to access some privileged devices (e.g. /dev/mem). By default this will also fail, which is why some users simply pass the --privileged flag to workaround this. This is certainly a solution, but it's cleaner to simply add the needed capabilities and the needed devices. In conclusion, for a clean run of a client, you could run the following command:

$ docker run --rm --network=host --cap-add=sys_rawio --device /dev/mem:/dev/mem -ti <your-docker-image> /bin/bash
> SUSEConnect -r <regcode> --url http://localhost:${EXTERNAL_PORT}

Another option is to simply attach a new session into the running rmt service, which already has the needed devices and capabilities. Thus, you could do something like this:

$ docker-compose exec rmt /bin/bash
> SUSEConnect -r <regcode> --url http://localhost:${EXTERNAL_PORT}

All in all, the code you might be working on sits as a volume inside of the Docker container. Thus, you will be able to code as usual and the Docker container will behave as if you were working entirely locally.

API documentation

RMT partially implements the SUSE Customer Center API. You can read the details of each endpoint to find out whether they are supported by RMT.


Do you have suggestions for improvement? Let us know!

Go to Issues, create a new issue and describe what you think could be improved.

Feedback is always welcome!

Security Policy

Please see our security policy for more information.


RPM repository mirroring tool and registration proxy for SUSE Customer Center.




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