Puppet manifest for installing Python and modules using pip

python.pp

# Copyright (c) 2010 Curt Micol <asenchi@asenchi.com>
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.

# THE SOFTWARE IS PROVIDED 'AS IS' AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

# Puppet manifest to install Python and Python modules using Pip.

# Defaults:
#   prefix => "/usr/local"
#   tmpdir => "/tmp"
#   pipversion => "0.6.3"
#   version => "2.6.4"
#
# Example usage:
# node myserver {
#   include python
#   python::install { "Python-2.5.5":
#     version => "2.5.5"
#   }

#   python::pip { "yolk":
#     ensure => present,
#   }
# }

# TODO: More ensure options for pip
# TODO: Ability to install more than one python version.

define source_install($prefix, $tarball, $tmpdir, $flags) {
  exec { "retrieve-$name":
    command => "wget $tarball",
    cwd => "$tmpdir",
    before => Exec["extract-$name"],
    notify => Exec["extract-$name"],
  }

  exec { "extract-$name":
    command => "tar -zxf $name.tgz",
    cwd => $tmpdir,
    creates => "$tmpdir/$name/README",
    require => Exec["retrieve-$name"],
    before => Exec["configure-$name"],
  }

  exec { "configure-$name":
    cwd => "$tmpdir/$name",
    command => "./configure $flags --prefix=$prefix",
    require => Exec["extract-$name"],
    before => Exec["make-$name"],
  }

  exec { "make-$name":
    cwd => "$tmpdir/$name",
    command => "make && make install",
    require => Exec["configure-$name"],
  }
}

class python {
  define install ($prefix = "/usr/local",$tmpdir = "/tmp",$pipversion = "0.6.3",$version = "2.6.4") {
    Exec { path => "/usr/bin:/usr/sbin:/bin:/sbin" }
    file { ["$prefix", "$tmpdir"]: ensure => directory }

    exec { "retrieve-distribute":
      command => "wget http://python-distribute.org/distribute_setup.py",
      cwd => $tmpdir,
      require => File["$prefix"],
    }

    exec { "retrieve-pip":
      command => "wget http://pypi.python.org/packages/source/p/pip/pip-$pipversion.tar.gz",
      cwd => $tmpdir,
      require => File["$prefix"],
      notify => Exec["extract-pip"],
    }

    exec { "extract-pip":
      command => "tar -zxf pip-$pipversion.tar.gz",
      cwd => $tmpdir,
      creates => "$tmpdir/pip-$pipversion",
      require => Exec["retrieve-pip"],
      subscribe => Exec["retrieve-pip"],
    }

    source_install { "Python-$version":
      prefix => $prefix,
      tarball => "http://python.org/ftp/python/$version/Python-$version.tgz",
      tmpdir => $tmpdir,
      flags => "",
    }

    exec { "install-distribute-$version":
      command =>"$prefix/bin/python distribute_setup.py",
      cwd => $tmpdir,
      require => [
                  Exec["retrieve-distribute"],
                  Source_install["Python-$version"]
                  ],
      before => Exec["install-pip-$version"],
    }

    exec { "install-pip-$version":
      command => "$prefix/bin/python setup.py install",
      cwd => "$tmpdir/pip-$pipversion",
      creates => "$prefix/bin/pip",
      subscribe => Exec["extract-pip"],
      require => [
                  Exec["extract-pip"],
                  Source_install["Python-$version"],
                  Exec["install-distribute-$version"]
                  ],
    }
  }

  define pip($version = undef, $ensure) {
    case $ensure {
      present: {
        exec { "pip-install-$name-$version":
	      command => "$prefix/bin/pip install $name",
	      timeout => "-1",
        }
      }
    }
  }
}

With new version of puppet, you'd have to set the provider=>'shell' for the configure and make commands, otherwise full paths are required.

Also, this continues to try to install Python over and over and over, so some work needs to be done to check if it is already installed before trying to install it.

// , Is this still up to date?

Is there a version that installs "pip3" correctly for Python 3?