sysinfo: Validate in shared code, not at cli parse time

virtinst/cli.py

@@ -21,7 +21,6 @@
 
 import argparse
 import collections
-import datetime
 import logging
 import logging.handlers
 import os
@@ -1743,41 +1742,15 @@ class ParserSYSInfo(VirtCLIParser):
         else:
             fail(_("Unknown sysinfo flag '%s'") % val)
 
-    def validate_date_cb(self, inst, val, virtarg):
-        # If supplied, date must be in either mm/dd/yy or mm/dd/yyyy format
-        try:
-            datetime.datetime.strptime(val, '%m/%d/%Y')
-        except ValueError:
-            try:
-                datetime.datetime.strptime(val, '%m/%d/%y')
-            except ValueError:
-                raise RuntimeError(_("SMBios date string '%s' is invalid.")
-                            % val)
-        inst.bios_date = val
-        return val
-
-    def validate_uuid_cb(self, inst, val, virtarg):
+    def set_uuid_cb(self, inst, val, virtarg):
         # If a uuid is supplied it must match the guest UUID. This would be
         # impossible to guess if the guest uuid is autogenerated so just
         # overwrite the guest uuid with what is passed in assuming it passes
         # the sanity checking below.
-        try:
-            util.validate_uuid(val)
-        except ValueError:
-            raise ValueError(_("Invalid uuid for SMBios: %s") % val)
-
-        if util.vm_uuid_collision(self.guest.conn, val):
-            raise ValueError(_("UUID '%s' is in use by another guest.") %
-                        val)
-
-        # Override guest uuid with passed in SMBios value (they must match)
-        self.guest.uuid = val
         inst.system_uuid = val
+        self.guest.uuid = val
 
     def _parse(self, inst):
-        if self.optstr == "none":
-            self.guest.skip_default_sysinfo = True
-            return
         if self.optstr == "host" or self.optstr == "emulate":
             self.optdict['type'] = self.optstr
 
@@ -1791,8 +1764,7 @@ ParserSYSInfo.add_arg("type", "type",
 # <bios> type 0 BIOS Information
 ParserSYSInfo.add_arg("bios_vendor", "bios_vendor")
 ParserSYSInfo.add_arg("bios_version", "bios_version")
-ParserSYSInfo.add_arg("bios_date", "bios_date",
-                      cb=ParserSYSInfo.validate_date_cb)
+ParserSYSInfo.add_arg("bios_date", "bios_date")
 ParserSYSInfo.add_arg("bios_release", "bios_release")
 
 # <system> type 1 System Information
@@ -1801,7 +1773,7 @@ ParserSYSInfo.add_arg("system_product", "system_product")
 ParserSYSInfo.add_arg("system_version", "system_version")
 ParserSYSInfo.add_arg("system_serial", "system_serial")
 ParserSYSInfo.add_arg("system_uuid", "system_uuid",
-                      cb=ParserSYSInfo.validate_uuid_cb)
+                      cb=ParserSYSInfo.set_uuid_cb)
 ParserSYSInfo.add_arg("system_sku", "system_sku")
 ParserSYSInfo.add_arg("system_family", "system_family")
 

virtinst/sysinfo.py

@@ -20,8 +20,10 @@
 """
 Classes for building and installing with libvirt <sysinfo> XML
 """
+import datetime
 
 from .xmlbuilder import XMLBuilder, XMLProperty
+from . import util
 
 
 class SYSInfo(XMLBuilder):
@@ -39,16 +41,42 @@ class SYSInfo(XMLBuilder):
 
     type = XMLProperty("./@type")
 
+    def _validate_date(self, val):
+        # If supplied, date must be in either mm/dd/yy or mm/dd/yyyy format
+        try:
+            datetime.datetime.strptime(val, '%m/%d/%Y')
+        except ValueError:
+            try:
+                datetime.datetime.strptime(val, '%m/%d/%y')
+            except ValueError:
+                raise RuntimeError(_("SMBios date string '%s' is invalid.")
+                            % val)
+        return val
+
+    bios_date = XMLProperty("./bios/entry[@name='date']",
+                            validate_cb=_validate_date)
     bios_vendor = XMLProperty("./bios/entry[@name='vendor']")
     bios_version = XMLProperty("./bios/entry[@name='version']")
-    bios_date = XMLProperty("./bios/entry[@name='date']")
     bios_release = XMLProperty("./bios/entry[@name='release']")
 
+
+    def _validate_uuid(self, val):
+        try:
+            util.validate_uuid(val)
+        except ValueError:
+            raise ValueError(_("Invalid uuid for SMBios: %s") % val)
+
+        if util.vm_uuid_collision(self.conn, val):
+            raise ValueError(_("UUID '%s' is in use by another guest.") %
+                        val)
+        return val
+    system_uuid = XMLProperty("./system/entry[@name='uuid']",
+                              validate_cb=_validate_uuid)
+
     system_manufacturer = XMLProperty("./system/entry[@name='manufacturer']")
     system_product = XMLProperty("./system/entry[@name='product']")
     system_version = XMLProperty("./system/entry[@name='version']")
     system_serial = XMLProperty("./system/entry[@name='serial']")
-    system_uuid = XMLProperty("./system/entry[@name='uuid']")
     system_sku = XMLProperty("./system/entry[@name='sku']")
     system_family = XMLProperty("./system/entry[@name='family']")