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Remove the idea of template_options, now you specify the param directly
in the create command. Unit and Size are now calculated
This commit is contained in:
Patrick Debois
parent
24569955cb
commit
ffa8dbf55c
2 changed files with 63 additions and 70 deletions
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@ -1,9 +1,9 @@
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<volume>
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<name><%= "#{name}" %></name>
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<allocation unit="<%= allocate_unit %>"><%= allocate %></allocation>
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<capacity unit="<%= size_unit %>"><%= size %></capacity>
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<name><%= name %></name>
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<allocation unit="<%= allocation_unit %>"><%= allocation_size %>"></allocation>
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<capacity unit="<%= capacity_unit %>"><%= capacity_size %>"></capacity>
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<target>
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<format type="<%= vol_type %>"/>
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<format type="<%= format_type %>"/>
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<permissions>
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<owner>0</owner>
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<group>0</group>
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@ -11,4 +11,4 @@
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<label>virt_image_t</label>
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</permissions>
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</target>
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</volume>
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</volume>
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@ -14,104 +14,94 @@ module Fog
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identity :key
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attribute :poolname
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attribute :pool_name
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attribute :xml
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attribute :template_options
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# attribute :key
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attribute :key
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attribute :path
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attribute :name
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attribute :capacity
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attribute :allocation
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attribute :type
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attribute :format_type
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# Can be created by passing in :xml => "<xml to create volume>"
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# A volume always belongs to a pool, :poolname => "<name of pool>"
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# A volume always belongs to a pool, :pool_name => "<name of pool>"
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#
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# @returns volume created
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def initialize(attributes={} )
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self.xml ||= nil unless attributes[:xml]
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self.key = nil
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self.format_type ||= "raw" unless attributes[:format_type]
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extension = self.format_type=="raw" ? "img" : self.format_type
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self.name ||= "fog-#{SecureRandom.random_number*10E14.to_i.round}.{extension}" unless attributes[:name]
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self.capacity ||= "10G" unless attributes[:capacity]
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self.allocation ||= "1G" unless attributes[:allocation]
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super
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# Try to guess the default/first pool of no poolname was specificed
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default_pool_name="default"
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default_pool=connection.pools.all(:name => "default")
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#We need a connection to calculate the poolname
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#This is why we do this after super
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self.pool_name ||= default_pool_name unless attributes[:pool_name]
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end
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# Try to guess the default/first pool of no pool_name was specificed
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def default_pool_name
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default_name="default"
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default_pool=@connection.pools.all(:name => default_name)
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if default_pool.nil?
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first_pool=connection.pools.first
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first_pool=@connection.pools.first
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if first_pool.nil?
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raise Fog::Errors::Error.new('We could not find a pool called "default" and there was no other pool defined')
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else
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default_pool_name=first_pool.name
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default_name=first_pool.name
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end
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end
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self.poolname ||= default_pool_name unless attributes[:poolname]
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return default_name
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end
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# Takes a pool and either uses :xml or :template_options->xml to create the volume
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# Takes a pool and either :xml or other settings
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def save
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# requires :xml
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# requires :poolname
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requires :pool_name
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if poolname
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# :disk_type => "raw",
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# :disk_extension => "img",
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# :disk_size => "10000",
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# We have a template, let's generate some xml for it
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if !template_options.nil?
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xml=xml_from_template if xml.nil?
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template_defaults={
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:type => "raw",
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:extension => "img",
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:size => 10,
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:allocate_unit => "G",
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:size_unit => "G",
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:allocate => 1,
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}
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template_options2=template_defaults.merge(template_options)
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template_options={ :name => "fog-#{SecureRandom.random_number*10E14.to_i.round}.#{template_options2[:extension]}"}.merge(template_options2)
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validate_template_options(template_options)
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xml=xml_from_template(template_options)
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end
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unless xml.nil?
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volume=nil
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unless poolname.nil?
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pool=connection.lookup_storage_pool_by_name(poolname)
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volume=pool.create_volume_xml(xml)
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self.raw=volume
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true
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else
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raise Fog::Errors::Error.new('Creating a new volume requires a pool name or uuid')
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false
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end
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else
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raise Fog::Errors::Error.new('Creating a new volume requires non empty xml')
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false
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end
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begin
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volume=nil
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pool=connection.lookup_storage_pool_by_name(pool_name)
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volume=pool.create_volume_xml(xml)
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self.raw=volume
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true
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rescue
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raise Fog::Errors::Error.new("Error creating volume: #{$!}")
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false
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end
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end
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def validate_template_options(template_options)
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# Here we can validate the template_options
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def split_size_unit(text)
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matcher=text.match(/(\d+)(.+)/)
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size=matcher[1]
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unit=matcher[2]
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return size , unit
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end
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def xml_from_template(template_options)
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# Create a valid xml for the volume based on the template
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def xml_from_template
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allocation_size,allocation_unit=split_size_unit(self.allocation)
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capacity_size,capacity_unit=split_size_unit(self.capacity)
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template_options={
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:name => self.name,
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:format_type => self.format_type,
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:allocation_size => allocation_size,
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:allocation_unit => allocation_unit,
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:capacity_size => capacity_size,
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:capacity_unit => capacity_unit
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}
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# We only want specific variables for ERB
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# we can't use an option of name type
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# This clashes with ruby 1.8 Erb.type which is equivalent of .class
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new_template_options={:vol_type => template_options[:type]}.merge(template_options)
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vars = ErbBinding.new(template_options)
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template_path=File.join(File.dirname(__FILE__),"templates","volume.xml.erb")
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template=File.open(template_path).readlines.join
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@ -159,13 +149,16 @@ module Fog
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def raw=(new_raw)
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@raw = new_raw
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xml = REXML::Document.new(new_raw.xml_desc)
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format_type=xml.root.elements['/volume/target/format'].attributes['type']
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raw_attributes = {
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:key => new_raw.key,
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:path => new_raw.path,
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:name => new_raw.name,
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:format_type => format_type,
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:allocation => new_raw.info.allocation,
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:capacity => new_raw.info.capacity,
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:type => new_raw.info.type
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}
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merge_attributes(raw_attributes)
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