cli: Add --metadata option

Can take name, description, uuid, and title (new). This deprecates the
separate --description and --uuid element, but we won't require it for
specifying a name with virt-install/virt-image since that's quite
overkill. Allowing --name with this option is mostly for the benefit
of virt-xml.

man/virt-image.pod

@@ -58,11 +58,6 @@ Memory to allocate for the guest, in megabytes. Defaults to C</image/devices/mem
 
 See L<virt-install(1)> for more details.
 
-=item  -u UUID, --uuid=UUID
-
-UUID for the guest; if none is given a random UUID will be generated. If
-you specify UUID, you should use a 32-digit hexadecimal number.
-
 =item --vcpus=VCPUS
 
 Number of vcpus to configure for your guest. Defaults to

man/virt-install.pod

@@ -107,12 +107,11 @@ The machine type to emulate. This will typically not need to be specified
 for Xen or KVM, but is useful for choosing machine types of more exotic
 architectures.
 
-=item -u UUID, --uuid=UUID
+=item --metadata OPT=VAL,[...]
 
-UUID for the guest; if none is given a random UUID will be generated. If you
-specify UUID, you should use a 32-digit hexadecimal number. UUID are intended
-to be unique across the entire data center, and indeed world. Bear this in
-mind if manually specifying a UUID
+Specify metadata values for the guest. Possible options include name, uuid, title, and description. This option deprecates -u/--uuid and --description.
+
+Use --metadata=? to see a list of all available sub options. Complete details at L<http://libvirt.org/formatdomain.html#elementsMetadata>
 
 =item --vcpus=VCPUS[,maxvcpus=MAX][,sockets=#][,cores=#][,threads=#][,cpuset=CPUSET]
 
@@ -175,11 +174,6 @@ may cause issues if migrating the guest to a host without an identical CPU.
 
 Use --cpu=? to see a list of all available sub options. Complete details at L<http://libvirt.org/formatdomain.html#elementsCPU>
 
-=item --description
-
-Human readable text description of the virtual machine. This will be stored
-in the guests XML configuration for access by other applications.
-
 =item --security type=TYPE[,label=LABEL][,relabel=yes|no]
 
 Configure domain security driver settings. Type can be either 'static' or

tests/cli-test-xml/compare/virtxml-edit-simple-metadata.xml

@@ -0,0 +1,25 @@
+--- Original XML
++++ Altered XML
+@@ -1,9 +1,9 @@
+ <domain type="test" id="3">
+-  <name>test-many-devices</name>
+-  <uuid>12345678-12f4-1234-1234-123456789012</uuid>
+-  <description>Foo bar baz &amp;
+-    yeah boii &lt; &gt; yeahfoo
+-  </description>
++  <name>foo-my-new-name</name>
++  <uuid>12345678-12F4-1234-1234-123456789AFA</uuid>
++  <description>hey this is my
++new
++very,very=new desc'</description>
+   <memory unit="KiB">409600</memory>
+   <currentMemory unit="KiB">204800</currentMemory>
+   <memoryBacking>
+@@ -303,4 +303,5 @@
+       </backend>
+     </rng>
+   </devices>
++  <title>This is my,funky=new title</title>
+ </domain>
+
+Domain 'foo-my-new-name' defined successfully.

tests/clitest.py

@@ -759,6 +759,9 @@ c.add_invalid("--domain test-many-devices --edit 5 --tpm /dev/tpm")  # device ed
 c.add_compare("--domain test --print-xml --edit --vcpus 7", "virtxml-print-xml")  # test --print-xml
 
 c = vixml.add_category("simple edit diff", "--domain test-many-devices --edit --print-diff --define")
+c.add_compare("""--metadata name=foo-my-new-name,uuid=12345678-12F4-1234-1234-123456789AFA,description="hey this is my
+new
+very,very=new desc\\\'",title="This is my,funky=new title" """, "virtxml-edit-simple-metadata")
 c.add_compare("--memory 500,maxmemory=1000,hugepages=off", "virtxml-edit-simple-memory")
 c.add_compare("--vcpus 10,maxvcpus=20,cores=5,sockets=4,threads=1", "virtxml-edit-simple-vcpus")
 c.add_compare("--cpu model=pentium2,+x2apic,forbid=pbe", "virtxml-edit-simple-cpu")

virt-install

@@ -516,10 +516,11 @@ def build_guest_instance(conn, options, parsermap):
 
     cli.get_name(guest, options.name)
 
-    # Guest configuration
     if options.uuid:
         guest.uuid = options.uuid
-    guest.description = options.description
+    # This might be difficult to convert into options.metadata
+    if options.description:
+        guest.description = options.description
 
     # We don't want to auto-parse --disk, but we wanted it for earlier
     # parameter introspection
@@ -882,12 +883,11 @@ def parse_args():
     geng = parser.add_argument_group(_("General Options"))
     geng.add_argument("-n", "--name",
                     help=_("Name of the guest instance"))
-    geng.add_argument("-u", "--uuid", help=argparse.SUPPRESS)
     cli.add_memory_option(geng, backcompat=True)
     cli.vcpu_cli_options(geng)
-    geng.add_argument("--description",
-                    help=_("Human readable description of the VM to store in "
-                           "the generated XML."))
+    cli.add_metadata_option(geng)
+    geng.add_argument("-u", "--uuid", help=argparse.SUPPRESS)
+    geng.add_argument("--description", help=argparse.SUPPRESS)
     cli.add_guest_xml_options(geng)
 
     insg = parser.add_argument_group(_("Installation Method Options"))

virt-xml

@@ -197,6 +197,7 @@ def parse_args():
     cli.add_disk_option(g)
     cli.add_net_option(g)
     cli.add_gfx_option(g)
+    cli.add_metadata_option(g)
     cli.add_memory_option(g)
     cli.vcpu_cli_options(g)
     cli.add_guest_xml_options(g)

virtinst/cli.py

@@ -769,6 +769,13 @@ def add_misc_options(grp, prompt=False, replace=False,
                    help=_("Print debugging information"))
 
 
+def add_metadata_option(grp):
+    grp.add_argument("--metadata",
+        help=_("Configure guest metadata. Ex:\n"
+        "--metadata name=foo,title=\"My pretty title\",uuid=...\n"
+        "--metadata description=\"My nice long description\""))
+
+
 def add_memory_option(grp, backcompat=False):
     grp.add_argument("--memory",
         help=_("Configure guest memory allocation. Ex:\n"
@@ -1292,6 +1299,16 @@ class VirtCLIParser(object):
         raise NotImplementedError()
 
 
+######################
+# --metadata parsing #
+######################
+
+class ParserMetadata(VirtCLIParser):
+    def _init_params(self):
+        self.set_param("name", "name", can_comma=True)
+        self.set_param("title", "title", can_comma=True)
+        self.set_param("uuid", "uuid")
+        self.set_param("description", "description", can_comma=True)
 
 
 ######################
@@ -2122,6 +2139,7 @@ def build_parser_map(options, skip=None, only=None):
                                 parserobj.cli_arg_name, parserclass))
         parsermap[parserobj.option_variable_name] = parserobj
 
+    register_parser("metadata", ParserMetadata)
     register_parser("memory", ParserMemory)
     register_parser("vcpus", ParserVCPU)
     register_parser("cpu", ParserCPU)