Class: Fog::Compute::Libvirt::Real

Inherits:
Object
  • Object
show all
Defined in:
lib/fog/libvirt/compute.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Real

Returns a new instance of Real.



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# File 'lib/fog/libvirt/compute.rb', line 42

def initialize(options={})
  @uri = ::Fog::Compute::LibvirtUtil::URI.new(enhance_uri(options[:libvirt_uri]))
  @ip_command = options[:libvirt_ip_command]

  # libvirt is part of the gem => ruby-libvirt
  require 'libvirt'

  begin
    if options[:libvirt_username] and options[:libvirt_password]
      @raw = ::Libvirt::open_auth(@uri.uri, [::Libvirt::CRED_AUTHNAME, ::Libvirt::CRED_PASSPHRASE]) do |cred|
        if cred['type'] == ::Libvirt::CRED_AUTHNAME
          res = options[:libvirt_username]
        elsif cred["type"] == ::Libvirt::CRED_PASSPHRASE
          res = options[:libvirt_password]
        else
        end
      end
    else
      @raw = ::Libvirt::open(@uri.uri)
    end

  rescue ::Libvirt::ConnectionError
    raise Fog::Errors::Error.new("Error making a connection to libvirt URI #{@uri.uri}:\n#{$!}")
  end

end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method_sym, *arguments, &block) ⇒ Object

hack to provide ‘requests’



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# File 'lib/fog/libvirt/compute.rb', line 94

def method_missing(method_sym, *arguments, &block)
  if @raw.respond_to?(method_sym)
    @raw.send(method_sym, *arguments)
  else
    super
  end
end

Instance Attribute Details

#ip_command ⇒ Object (readonly)

Returns the value of attribute ip_command.



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# File 'lib/fog/libvirt/compute.rb', line 39

def ip_command
  @ip_command
end

#raw ⇒ Object (readonly)

Returns the value of attribute raw.



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# File 'lib/fog/libvirt/compute.rb', line 37

def raw
  @raw
end

#uri ⇒ Object (readonly)

Returns the value of attribute uri.



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# File 'lib/fog/libvirt/compute.rb', line 38

def uri
  @uri
end

Instance Method Details

#enhance_uri(uri) ⇒ Object 



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# File 'lib/fog/libvirt/compute.rb', line 69

def enhance_uri(uri)
  require 'cgi'
  append=""

  # on macosx, chances are we are using libvirt through homebrew
  # the client will default to a socket location based on it's own location (/opt)
  # we conveniently point it to /var/run/libvirt/libvirt-sock
  # if no socket option has been specified explicitly

  if RUBY_PLATFORM =~ /darwin/
    querystring=::URI.parse(uri).query
    if querystring.nil?
      append="?socket=/var/run/libvirt/libvirt-sock"
    else
      if !::CGI.parse(querystring).has_key?("socket")
        append="&socket=/var/run/libvirt/libvirt-sock"
      end
    end
  end
  newuri=uri+append
  return newuri
end