Class OpenNebula::ImageRepository

     # File OpenNebula/ImageRepository.rb, line 34
 34:         def create(image, template)
 35:             if image.nil?
 36:                 error_msg = "Image could not be found, aborting."
 37:                 return OpenNebula::Error.new(error_msg)
 38:             end
 39: 
 40:             # ------ Allocate the Image ------
 41:             result = image.allocate(template)
 42: 
 43:             if OpenNebula.is_error?(result)
 44:                 return result
 45:             end
 46: 
 47: 
 48:             # ------ Copy the Image file ------
 49:             image.info
 50: 
 51:             if image['SOURCE'] and File.exists?(image['SOURCE'])
 52:                 error_msg =
 53:                         "Destination file for image already exists, aborting."
 54:                 result = OpenNebula::Error.new(error_msg)
 55: 
 56:             elsif image['TEMPLATE/PATH'] and image['TEMPLATE/SOURCE'].nil?
 57:                 # --- CDROM, DATABLOCK or OS based on a PATH ---
 58:                 file_path = image['TEMPLATE/PATH']
 59: 
 60:                 if !File.exists?(file_path)
 61:                     error_msg = "Image file could not be found, aborting."
 62:                     result = OpenNebula::Error.new(error_msg)
 63:                 end
 64: 
 65:                 if !OpenNebula.is_error?(result)
 66:                     result = copy(file_path, image['SOURCE'])
 67:                 end
 68: 
 69:                 # If the copy failed, the file should be removed
 70:                 if OpenNebula.is_error?(result)
 71:                     remove(image['SOURCE'])
 72:                 end
 73: 
 74:             elsif image['TEMPLATE/SIZE'] and image['TEMPLATE/FSTYPE'] and  \
 75:                             image['TEMPLATE/TYPE'] == 'DATABLOCK'
 76:                 # --- Empty DATABLOCK ---
 77:                 result = dd(image['TEMPLATE/SIZE'], image['SOURCE'])
 78: 
 79:                 if !OpenNebula.is_error?(result)
 80:                     result = mkfs(image['TEMPLATE/FSTYPE'], image['SOURCE'])
 81:                 end
 82: 
 83:                 # If the dd or mkfs failed, the file should be removed
 84:                 if OpenNebula.is_error?(result)
 85:                     remove(image['SOURCE'])
 86:                 end
 87: 
 88:             elsif image['TEMPLATE/PATH'].nil? and image['TEMPLATE/SOURCE'].nil?
 89:                 error_msg = "Image path not present, aborting."
 90:                 result = OpenNebula::Error.new(error_msg)
 91: 
 92:             elsif image['TEMPLATE/PATH'] and image['TEMPLATE/SOURCE']
 93:                 error_msg = "Template malformed, PATH and SOURCE are" <<
 94:                             " mutuallly exclusive"
 95:                 result = OpenNebula::Error.new(error_msg)
 96: 
 97:             end
 98: 
 99:             # ------ Enable the Image ------
100:             if !OpenNebula.is_error?(result)
101:                 image.enable
102:             else
103:                 image.delete
104:             end
105: 
106:             return result
107:         end

     # File OpenNebula/ImageRepository.rb, line 112
112:         def delete(image)
113:             if image.nil?
114:                 error_msg = "Image could not be found, aborting."
115:                 return OpenNebula::Error.new(error_msg)
116:             end
117: 
118:             result = image.info
119: 
120:             if !OpenNebula.is_error?(result)
121:                 file_path = image['SOURCE']
122: 
123:                 result = image.delete
124: 
125:                 if !OpenNebula.is_error?(result)
126:                     result = remove(file_path)
127:                 end
128:             end
129: 
130:             return result
131:         end

     # File OpenNebula/ImageRepository.rb, line 136
136:         def update_source(image, source)
137:             if image.nil?
138:                 error_msg = "Image could not be found, aborting."
139:                 return OpenNebula::Error.new(error_msg)
140:             end
141: 
142:             result = image.info
143: 
144:             if !OpenNebula.is_error?(result)
145:                 result = move(source, image['SOURCE'])
146: 
147:                 image.enable
148:             end
149: 
150:             return result
151:         end