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Debian Support

Pulp plugin to handle Debian packages.

WARNING: There may be bugs.


Admin extensions do not need any additional tools.

Server extensions need: * python-debian: * python-debpkgr:


Build the RPMs from spec file. Additionally, build python-debian and python-debpkgr as rpm packages.

Representing Debian Dependency Relationships

This plugin uses deb822.PkgRelation to parse Debian dependency fields.

We currently support breaks, conflicts, depends, enhances, pre_depends, provides, recommends, replaces, suggests.

The representation of a Debian relationship is following, when possible, the conventions used by pulp_rpm:

  • The representation is a list of sub-items, with an implicit conjunction (AND) for the sub-items. In other words, all the sub-items have to evaluate to True in order for the relationship to be satisfied.
  • Simple (single package) items are dictionaries with a name field. They may contain additional fields version, flag, arch, restrictions.
  • Versioned dependencies will have a version field to describe the desired target version, and the flag field will denote the operator for comparing versions. Where the operators in a Debian representation are one of "<<", "<=", "=", ">=", ">>", flag will be LT, LE, EQ, GE, GT respectively.
  • arch is a list of architecture strings. Negation is represented with a leading exclamation mark.
  • restrictions, if present, is a list of one or more lists of strings. Just like with architectures, negation is represented with a leading exclamation mark.

In addition, Debian supports disjunction. Where simple package dependencies are dictionaries, disjunction (OR) is a list of simple package dependencies.

Here are examples of dependencies and their representation in Pulp:

  • 'emacs | emacsen, make, debianutils (>= 1.7)': json [ [{"name": "emacs"}, {"name": "emacsen"}], {"name": "make"}, {"name": "debianutils", "version": "1.7", "flag": "GE"} ]
  • 'tcl8.4-dev [amd64], procps [!hurd-i386]': json [ {"name": "tcl8.4-dev", "arch": ["amd64"]}, {"name": "procps", "arch": ["!hurd-i386"]} ]
  • 'texlive <stage1 !cross> <stage2>': json [ {"name": "texlive", "restrictions": [["stage1", "!cross"], ["stage2"]]} ]

Signing support

To enable repository metadata signing, you will need to supply a configuration file /etc/pulp/server/plugins.conf.d/deb_distributor.json, containing something like:

  "gpg_cmd": "/usr/local/bin/",
  "gpg_key_id": "0452AB3D"

The supplied sign command has to be an executable accessible to the Apache user. It will be supplied the path to a Release file to be signed, and is expected to produce a file named Release.gpg in the same directory as the Release file. Additionally, the sign command will be passed the following environment variables: * GPG_CMD * GPG_KEY_ID (if specified in the configuration file) * GPG_REPOSITORY_NAME * GPG_DIST

The sign command may decide on a key ID to use, based on the repository name or the dist that is being signed.

A minimal sign command using GPG could be:

#!/bin/bash -e


gpg --homedir /var/lib/pulp/gpg-home \
    --detach-sign --default-key $KEYID \
    --armor --output ${1}.gpg ${1}

You could import your password-less GPG keys like this:

mkdir /var/lib/pulp/gpg-home
chmod 0700 /var/lib/pulp/gpg-home
gpg --homedir /var/lib/pulp/gpg-home --import <path-to-secret-keys>
chown -R apache.apache /var/lib/pulp/gpg-home

WARNING! The example, as presented above, is not suitable for production use. Unprotected GPG keys may be easily stolen. You may want to consider more secure alternatives for your signing needs, like a dedicated server, potentially with a Hardware Security Module.

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