Class: Beaker::Platform

Inherits:
String
  • Object
show all
Defined in:
lib/beaker/platform.rb

Overview

This class create a Platform object inheriting from String. It supports all String methods while adding several platform-specific use cases.

Constant Summary collapse

PLATFORMS =

Supported platforms

/^(osx|centos|fedora|debian|oracle|redhat|scientific|sles|ubuntu|windows|solaris|aix|el|eos|cumulus)\-.+\-.+$/
PLATFORM_VERSION_CODES =

Platform version numbers vs. codenames conversion hash

{ :debian => { "wheezy"  => "7",
               "squeeze" => "6",
             },
  :ubuntu => { "trusty"  => "1404",
               "saucy"   => "1310",
               "raring"  => "1304",
               "quantal" => "1210",
               "precise" => "1204",
               "lucid"   => "1004",
             },
}

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name) ⇒ Platform

Creates the Platform object. Checks to ensure that the platform String provided meets the platform formatting rules. Platforms name must be of the format /^OSFAMILY-VERSION-ARCH.*$/ where OSFAMILY is one of:

  • osx

  • centos

  • fedora

  • debian

  • oracle

  • redhat

  • scientific

  • sles

  • ubuntu

  • windows

  • solaris

  • aix

  • el

  • cumulus



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# File 'lib/beaker/platform.rb', line 52

def initialize(name)
  if name !~ PLATFORMS
    raise ArgumentError, "Unsupported platform name #{name}"
  end

  super

  @variant, version, @arch = self.split('-', 3)
  codename_version_hash = PLATFORM_VERSION_CODES[@variant.to_sym]

  @version = version
  @codename = nil

  if codename_version_hash
    if codename_version_hash[version]
      @codename = version
      @version = codename_version_hash[version]
    else
      version = version.delete('.')
      version_codename_hash = codename_version_hash.invert
      @codename = version_codename_hash[version]
    end
  end
end

Instance Attribute Details

#arch ⇒ Object (readonly)

A string with the cpu architecture of the platform.



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# File 'lib/beaker/platform.rb', line 33

def arch
  @arch
end

#codename ⇒ Object (readonly)

A string with the codename of the platform+version, nil on platforms without codenames.



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# File 'lib/beaker/platform.rb', line 30

def codename
  @codename
end

#variant ⇒ Object (readonly)

A string with the name of the platform.



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# File 'lib/beaker/platform.rb', line 23

def variant
  @variant
end

#version ⇒ Object (readonly)

A string with the version number of the platform.



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# File 'lib/beaker/platform.rb', line 26

def version
  @version
end

Instance Method Details

#to_array ⇒ Object

Returns array of attributes to allow single line assignment to local variables in DSL and test case methods.



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# File 'lib/beaker/platform.rb', line 79

def to_array
  return @variant, @version, @arch, @codename
end

#with_version_codename ⇒ String

Returns the platform string with the platform version as a codename. If no conversion is necessary then the original, unchanged platform String is returned.

Examples:

Platform.new(‘debian-7-xxx’).with_version_codename == ‘debian-wheezy-xxx’

Returns:

  • (String) —

    the platform string with the platform version represented as a codename



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# File 'lib/beaker/platform.rb', line 87

def with_version_codename
  version_array = [@variant, @version, @arch]
  if @codename
    version_array = [@variant, @codename, @arch]
  end
  return version_array.join('-')
end

#with_version_number ⇒ String

Returns the platform string with the platform version as a number. If no conversion is necessary then the original, unchanged platform String is returned.

Examples:

Platform.new(‘debian-wheezy-xxx’).with_version_number == ‘debian-7-xxx’

Returns:

  • (String) —

    the platform string with the platform version represented as a number



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# File 'lib/beaker/platform.rb', line 99

def with_version_number
  [@variant, @version, @arch].join('-')
end