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Soyuz Upload Processing

The very first step in upload processing is actually receiving packages from contributors. This is done with a Twisted daemon called Poppy, which is both an FTP and SFTP server.

Poppy

• daemons/poppy-sftp.tac

• lib/lp/poppy

To upload a package with FTP you have two ways:

1. For uploading to a PPA: dput ppa:lpuserid/ppaname my_source.changes

2. Create a dput config for flexibility. In your ~/.dput.cf file, add:

   •    [dogfood]
        fqdn = dogfood.launchpad.net
        method = ftp
        incoming = ubuntu/
        login = anonymous
        allow_unsigned_uploads = 0

     This allows you to type dput dogfood my_source.changes and it uploads to the dogfood target in the config.

For SFTP uploading there is no shortcut and you always need to create a dput.cf.

•    [ppa-sftp]
     fqdn                    = dogfood.launchpad.net:5022
     method                  = sftp
     incoming                = ~%(ppa-sftp)s/ubuntu
     login                   = julian-edwards

This has actually created a shortcut so you can type: dput ppa-sftp:lpuserid/ppaname my_source.changes

Poppy is configured with a [poppy] section in the config, including the destination directory for uploaded files - let's call that $INCOMING for now. Poppy has a bit of magic in it and it will autocreate directories as the [S]FTP client does a CWD command. The destination directory has a very specific layout of sub-directories like this:

$INCOMING/upload-[s]ftp-YYYYMMDD-HHMMSS-NNNNNN/distribution_name/

or for PPA uploads:

$INCOMING/upload-[s]ftp-YYYYMMDD-HHMMSS-NNNNNN/~<personname>[/ppa_name]/<distroname>[/distroseriesname]

Everything after the directory under the upload-[s]ftp-YYYYMMDD-HHMMSS-NNNNNN/ is controlled by the uploading user - it allows them to set whether it's a distribution upload or a PPA upload. This is controlled from the .dput.cf that you set.