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.



43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
 
# File 'lib/fog/libvirt/compute.rb', line 43

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’



97
98
99
100
101
102
103
 
# File 'lib/fog/libvirt/compute.rb', line 97

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.



40
41
42
 
# File 'lib/fog/libvirt/compute.rb', line 40

def ip_command
  @ip_command
end

#raw ⇒ Object (readonly)

Returns the value of attribute raw.



38
39
40
 
# File 'lib/fog/libvirt/compute.rb', line 38

def raw
  @raw
end

#uri ⇒ Object (readonly)

Returns the value of attribute uri.



39
40
41
 
# File 'lib/fog/libvirt/compute.rb', line 39

def uri
  @uri
end

Instance Method Details

#enhance_uri(uri) ⇒ Object 



70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
 
# File 'lib/fog/libvirt/compute.rb', line 70

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
  uri+append
end

#respond_to?(method) ⇒ Boolean

Returns:

  • (Boolean) 


92
93
94
 
# File 'lib/fog/libvirt/compute.rb', line 92

def respond_to?(method, *)
  super or @connection.respond_to? method
end