Class: EnhanceRepo::RpmMd::Index

Inherits:
Data
  • Object
show all
Includes:
Logger
Defined in:
lib/enhance_repo/rpm_md/index.rb

Overview

represents the repomd index

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Logger

#log

Methods inherited from Data

#metadata_filename, #name

Constructor Details

#initialize ⇒ Index

constructor log logger object



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# File 'lib/enhance_repo/rpm_md/index.rb', line 41

def initialize
  super('repomd')
  @resources = []
end

Instance Attribute Details

#keywords ⇒ Object

Returns the value of attribute keywords.



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# File 'lib/enhance_repo/rpm_md/index.rb', line 36

def keywords
  @keywords
end

#products ⇒ Object

Returns the value of attribute products.



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# File 'lib/enhance_repo/rpm_md/index.rb', line 36

def products
  @products
end

#resources ⇒ Object

Returns the value of attribute resources.



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# File 'lib/enhance_repo/rpm_md/index.rb', line 37

def resources
  @resources
end

Instance Method Details

#add_file_resource(abspath, path, type = nil) ⇒ Object

add a file resource. Takes care of setting all the metadata.



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# File 'lib/enhance_repo/rpm_md/index.rb', line 53

def add_file_resource(abspath, path, type = nil)
  r = Resource.new
  r.type = type
  # figure out the type of resource
  # the extname to remove is different if it is gzipped
  ext = File.extname(path)
  base = File.basename(path, ext)

  # if it was gzipped, repeat the operation
  # to get the real basename
  if ext == '.gz'
    ext = File.extname(base)
    base = File.basename(base, ext)
  end

  r.type = base if r.type.nil?
  r.location = path
  r.timestamp = File.mtime(abspath).to_i.to_s
  r.checksum = EnhanceRepo::ConfigOpts.instance.digest_class.hexdigest(File.new(abspath).read)
  r.openchecksum = r.checksum
  r.size = File.size(abspath)
  r.opensize = r.size
  if File.extname(abspath) == '.gz'
    # we have a different openchecksum
    r.openchecksum = EnhanceRepo::ConfigOpts.instance.digest_class.hexdigest(Zlib::GzipReader.new(File.new(abspath)).read)
    r.opensize = Zlib::GzipReader.new(File.new(abspath)).read.bytesize
  end
  add_resource(r)
end

#add_resource(r) ⇒ Object

add resource any resource of the same location is overwritten



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# File 'lib/enhance_repo/rpm_md/index.rb', line 86

def add_resource(r)
  # first check if this resource is already in
  # if yes then override it
  if (index = @resources.index(r)).nil?
    # add it
    @resources << r
  else
    # replace it
    # log.warn("Resource #{r.location} already exists. Replacing.")
    @resources[index] = r
  end
end

#read_file(file) ⇒ Object

read data from a file



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# File 'lib/enhance_repo/rpm_md/index.rb', line 100

def read_file(file)
  doc = REXML::Document.new(file)
  doc.elements.each('repomd/data') do |datael|
    resource = Resource.new
    resource.type = datael.attributes['type']
    datael.elements.each do |attrel|
      case attrel.name
      when 'location'
        resource.location = attrel.attributes['href']
      when 'checksum'
        resource.checksum = attrel.text
      when 'timestamp'
        resource.timestamp = attrel.text
      when 'open-checksum'
        resource.openchecksum = attrel.text
      when 'size'
        resource.size = attrel.text
      when 'open-size'
        resource.opensize = attrel.text
      when 'database_version'
        resource.database_version = attrel.text
      else
        raise "unknown tag #{attrel.name}"
      end # case
    end # iterate over data subelements
    add_resource(resource)
  end # iterate over data elements
end

#should_compress? ⇒ Boolean

Reimplemented from EnhanceRepo::RpmMd::Data

Returns:

  • (Boolean) 


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# File 'lib/enhance_repo/rpm_md/index.rb', line 47

def should_compress?
  false
end

#write(file) ⇒ Object

write the index to xml file



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# File 'lib/enhance_repo/rpm_md/index.rb', line 130

def write(file)
  builder = Builder::XmlMarkup.new(target: file, indent: 2)
  builder.instruct!
  builder.repomd('xmlns' => 'http://linux.duke.edu/metadata/repo') do |b|
    @resources.each do |resource|
      b.data('type' => resource.type) do
        b.location('href' => resource.location)
        b.checksum(resource.checksum, 'type' => EnhanceRepo::ConfigOpts.instance.digest_name)
        b.timestamp(resource.timestamp)
        b.size(resource.size) if resource.size
        b.tag!('open-size', resource.opensize) if resource.opensize
        b.tag!('open-checksum', resource.openchecksum, 'type' => EnhanceRepo::ConfigOpts.instance.digest_name)
        b.tag!('database_version', resource.database_version) if resource.database_version
      end
    end
  end # builder
end