Class: CPEE::NewInstance

Inherits:
Riddl::Implementation
  • Object
show all
Defined in:
lib/cpee/implementation.rb

Overview

}}}

Instance Method Summary collapse

Instance Method Details

#path(e) ⇒ Object

{{{



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# File 'lib/cpee/implementation.rb', line 171

def path(e)
  ret = []
  until e.qname.name == 'properties'
    ret << (e.class == XML::Smart::Dom::Attribute ? '@' : '') + e.qname.name
    e = e.parent
  end
  File.join(*ret.reverse)
end

#response ⇒ Object 



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# File 'lib/cpee/implementation.rb', line 180

def response
  opts = @a[0]
  redis = opts[:redis]
  doc = XML::Smart::open_unprotected(opts[:properties_init])
  doc.register_namespace 'p', 'http://cpee.org/ns/properties/2.0'
  name     = @p[0].value
  id       = redis.zcount('instances','-inf','+inf').to_i + 1
  uuid     = SecureRandom.uuid
  instance = 'instance:' + id.to_s
  redis.multi do |multi|
    multi.zadd('instances',id,id)
    doc.root.find(PROPERTIES_PATHS_FULL.join(' | ')).each do |e|
      if e.class == XML::Smart::Dom::Element && e.element_only?
        val = e.find('*').map { |f| f.dump }.join
        multi.set(File.join(instance, path(e)), val)
      else
        multi.set(File.join(instance, path(e)), e.text)
      end
    end
    doc.root.find(PROPERTIES_PATHS_INDEX_UNORDERED.join(' | ')).each do |e|
      p = path(e)
      multi.sadd(File.join(instance, File.dirname(p)), File.basename(p))
    end
    doc.root.find(PROPERTIES_PATHS_INDEX_ORDERED.join(' | ')).each_with_index do |e,i|
      p = path(e)
      multi.zadd(File.join(instance, File.dirname(p)), i, File.basename(p))
    end
    Dir[File.join(opts[:notifications_init],'*','subscription.xml')].each do |f|
      XML::Smart::open_unprotected(f) do |doc|
        doc.register_namespace 'np', 'http://riddl.org/ns/common-patterns/notifications-producer/2.0'
        key = File.basename(File.dirname(f))
        url = doc.find('string(/np:subscription/@url)')
        multi.sadd("instance:#{id}/handlers",key)
        multi.set("instance:#{id}/handlers/#{key}/url",url)
        doc.find('/np:subscription/np:topic/*').each do |e|
          c = File.join(e.parent.attributes['id'],e.qname.name,e.text)
          multi.sadd("instance:#{id}/handlers/#{key}",c)
          multi.sadd("instance:#{id}/handlers/#{c}",key)
        end
      end rescue nil # all the ones that are not ok, are ignored
    end
    multi.set(File.join(instance, 'attributes', 'uuid'), SecureRandom.uuid)
    multi.zadd(File.join(instance, 'attributes'), -2, 'uuid')
    multi.set(File.join(instance, 'attributes', 'info'), name)
    multi.zadd(File.join(instance, 'attributes'), -1, 'info')
    multi.set(File.join(instance, 'state', '@changed'), Time.now.xmlschema(3))
  end

  @headers << Riddl::Header.new("CPEE-INSTANCE", id.to_s)
  @headers << Riddl::Header.new("CPEE-INSTANCE-URL", File.join(opts[:url].to_s,id.to_s))
  @headers << Riddl::Header.new("CPEE-INSTANCE-UUID", uuid)

  Riddl::Parameter::Simple.new("id", id.to_s)
end