cli: --smartcard: support database= and certificate[0-9]*=

For mode=host-certificates config

tests/cli-test-xml/compare/virt-install-many-devices.xml

@@ -256,6 +256,12 @@
       <source mode="bind" host="1.2.3.4" service="5678"/>
       <protocol type="telnet"/>
     </smartcard>
+    <smartcard mode="host-certificates" type="spicevmc">
+      <database>/fake/path/to/database</database>
+      <certificate>/path/to/fake/cert0</certificate>
+      <certificate>/path/to/fake/cert1</certificate>
+      <certificate>/path/to/fake/cert2</certificate>
+    </smartcard>
     <serial type="tcp">
       <source mode="bind" host="127.0.0.1" service="2222"/>
       <protocol type="telnet"/>

tests/clitest.py

@@ -569,6 +569,7 @@ c.add_compare(""" \
 --smartcard mode=host \
 --smartcard default \
 --smartcard passthrough,type=tcp,source.mode=bind,source.host=1.2.3.4,source.service=5678,protocol.type=telnet
+--smartcard host-certificates,type=spicevmc,database=/fake/path/to/database,certificate0=/path/to/fake/cert0,certificate1=/path/to/fake/cert1,certificate2=/path/to/fake/cert2 \
 \
 --redirdev usb,type=spicevmc \
 --redirdev usb,type=tcp,server=localhost:4000 \

virtinst/cli.py

@@ -3100,6 +3100,12 @@ class ParserSmartcard(VirtCLIParser):
     guest_propname = "devices.smartcard"
     remove_first = "mode"
 
+    def certificate_find_inst_cb(self, *args, **kwargs):
+        cliarg = "certificate"  # certificate[0-9]*
+        list_propname = "certificates"
+        cb = self._make_find_inst_cb(cliarg, list_propname)
+        return cb(*args, **kwargs)
+
     @classmethod
     def _init_class(cls, **kwargs):
         VirtCLIParser._init_class(**kwargs)
@@ -3108,6 +3114,10 @@ class ParserSmartcard(VirtCLIParser):
         cls.add_arg("type", "type", ignore_default=True)
         _add_char_source_args(cls)
 
+        cls.add_arg("database", "database", can_comma=True)
+        cls.add_arg("certificate[0-9]*", "value", can_comma=True,
+                    find_inst_cb=cls.certificate_find_inst_cb)
+
 
 ######################
 # --redirdev parsing #

virtinst/devices/smartcard.py

@@ -6,7 +6,13 @@
 
 from .char import CharSource
 from .device import Device
-from ..xmlbuilder import XMLChildProperty, XMLProperty
+from ..xmlbuilder import XMLBuilder, XMLChildProperty, XMLProperty
+
+
+class _Certificate(XMLBuilder):
+    XML_NAME = "certificate"
+
+    value = XMLProperty("./.")
 
 
 class DeviceSmartcard(Device):
@@ -17,6 +23,9 @@ class DeviceSmartcard(Device):
     type = XMLProperty("./@type")
     source = XMLChildProperty(CharSource, is_single=True)
 
+    database = XMLProperty("./database")
+    certificates = XMLChildProperty(_Certificate)
+
 
     ##################
     # Default config #