[PATCH 08/14] qemuBuildVMGenIDCommandLine: Generate via JSON

[Peter Krempa <pkrempa@xxxxxxxxxx>]

QEMU declares the 'guid' property as:

  guid=<str>             - UUID (aka GUID) or "auto" for random value (default) (default: "auto")

Signed-off-by: Peter Krempa <pkrempa@xxxxxxxxxx>
---
 src/qemu/qemu_command.c | 19 +++++++++++++------
 1 file changed, 13 insertions(+), 6 deletions(-)

diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 6fa07e3e17..bf15a4801a 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -6144,19 +6144,26 @@ qemuBuildSysinfoCommandLine(virCommand *cmd,

 static int
 qemuBuildVMGenIDCommandLine(virCommand *cmd,
-                            const virDomainDef *def)
+                            const virDomainDef *def,
+                            virQEMUCaps *qemuCaps)
 {
-    g_auto(virBuffer) opts = VIR_BUFFER_INITIALIZER;
+    g_autoptr(virJSONValue) props = NULL;
     char guid[VIR_UUID_STRING_BUFLEN];

     if (!def->genidRequested)
         return 0;

     virUUIDFormat(def->genid, guid);
-    virBufferAsprintf(&opts, "vmgenid,guid=%s,id=vmgenid0", guid);

-    virCommandAddArg(cmd, "-device");
-    virCommandAddArgBuffer(cmd, &opts);
+    if (virJSONValueObjectCreate(&props,
+                                 "s:driver", "vmgenid",
+                                 "s:guid", guid,
+                                 "s:id", "vmgenid0",
+                                 NULL) < 0)
+        return -1;
+
+    if (qemuBuildDeviceCommandlineFromJSON(cmd, props, qemuCaps) < 0)
+        return -1;

     return 0;
 }
@@ -10658,7 +10665,7 @@ qemuBuildCommandLine(virQEMUDriver *driver,
     if (qemuBuildSysinfoCommandLine(cmd, def) < 0)
         return NULL;

-    if (qemuBuildVMGenIDCommandLine(cmd, def) < 0)
+    if (qemuBuildVMGenIDCommandLine(cmd, def, qemuCaps) < 0)
         return NULL;

     /*
-- 
2.31.1