mac_lease.rb in wakame-vdc-dcmgr-11.12.0

- old
+ new
@@ -2,21 +2,40 @@
 
 module Dcmgr::Models
   # MAC address lease information
   class MacLease < BaseNew
 
-    inheritable_schema do
-      String :mac_addr, :size=>12, :fixed=>true, :null=>false
-      
-      index :mac_addr, {:unique=>true}
+    # register MAC address.
+    # @params [String] 6 or 12 length of HEX value in string.
+    def self.lease(mac_addr)
+      case mac_addr.size
+      when 12
+      when 6
+        # Assign bottom 6 device ID dynamically.
+        vendor_id = mac_addr.dup
+        begin
+          mac_addr = vendor_id + ("%02x%02x%02x" % [rand(0xff),rand(0xff),rand(0xff)])
+        end while self.find(:mac_addr=> mac_addr)
+      else
+        raise ArgumentError, "Invalid MAC address string: 6 or 12 length of HEX value is needed."
+      end
+      create(:mac_addr=>mac_addr)
     end
-    with_timestamps
 
-    # dynamically assign new MAC address.
-    def self.lease(vendor_id='00ff01')
-      begin
-        m = vendor_id + ("%02x%02x%02x" % [rand(0xff),rand(0xff),rand(0xff)])
-      end while self.find(:mac_addr=> m)
-      create(:mac_addr=>m)
+    # show default vendor ID for the hypervisor.
+    # The virtual interface can be applied any valid MAC address. But using
+    # the well known vendor IDs for hypervisor have some benefits. For
+    # example, 70-persistent-net.rules issue can be avoided with newer
+    # udev release.
+    def self.default_vendor_id(hypervisor)
+      case hypervisor.to_sym
+      when :kvm
+        '525400'
+      when :lxc
+        # LXC is not known with the specific vendor ID. This may be wrong.
+        '525400'
+      else
+        raise "Unknown hypervisor name: #{hypervisor}"
+      end
     end
   end
 end