cli: Add --serial log.file= and log.append=

And for other character devices --console, --parallel, --channel

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

@@ -244,6 +244,7 @@
     <serial type="tcp">
       <source mode="bind" host="127.0.0.1" service="2222"/>
       <protocol type="telnet"/>
+      <log file="/tmp/foo.log" append="on"/>
     </serial>
     <parallel type="udp">
       <source mode="bind" host="127.0.0.1" service="1234"/>

tests/clitest.py

@@ -490,7 +490,7 @@ c.add_compare(""" \
 --input type=keyboard,bus=usb \
 --input tablet \
 \
---serial tcp,host=:2222,mode=bind,protocol=telnet \
+--serial tcp,host=:2222,mode=bind,protocol=telnet,log_file=/tmp/foo.log,log_append=yes \
 --parallel udp,host=0.0.0.0:1234,bind_host=127.0.0.1:1234 \
 --parallel unix,path=/tmp/foo-socket \
 --channel pty,target_type=guestfwd,target_address=127.0.0.1:10000 \

virtinst/cli.py

@@ -2370,6 +2370,8 @@ _ParserChar.add_arg(None, "host", cb=_ParserChar.set_host_cb)
 _ParserChar.add_arg(None, "bind_host", cb=_ParserChar.set_bind_cb)
 _ParserChar.add_arg(None, "target_address", cb=_ParserChar.set_target_cb)
 _ParserChar.add_arg("source_mode", "mode")
+_ParserChar.add_arg("log_file", "log.file")
+_ParserChar.add_arg("log_append", "log.append", is_onoff=True)
 
 
 

virtinst/devicechar.py

@@ -281,6 +281,9 @@ class _VirtualCharDevice(VirtualDevice):
                            doc=_("Sysfs name of virtio port in the guest"),
                            default_cb=_default_target_name)
 
+    log_file = XMLProperty("./log/@file")
+    log_append = XMLProperty("./log/@append", is_onoff=True)
+
 
 class VirtualConsoleDevice(_VirtualCharDevice):
     virtual_device_type = "console"