virt-install: --unattended and --cloud-init conflict

Make it an explicit error, otherwise unattended is preferred and
cloud-init is ignored

https://bugzilla.redhat.com/show_bug.cgi?id=2117157

Signed-off-by: Cole Robinson <crobinso@redhat.com>

tests/test_cli.py

@@ -1116,6 +1116,7 @@ c.add_invalid("--disk none --boot network --machine foobar", grep="domain type N
 c.add_invalid("--nodisks --boot network --arch mips --virt-type kvm", grep="any virtualization options for architecture 'mips'")
 c.add_invalid("--nodisks --boot network --paravirt --arch mips", grep=" 'xen' for architecture 'mips'")
 c.add_invalid("--osinfo generic --launchSecurity sev --connect " + utils.URIs.kvm_amd_sev, grep="SEV launch security requires a Q35 UEFI machine")
+c.add_invalid("--disk none --cloud-init --unattended --install fedora30", grep="--unattended and --cloud-init can not")
 
 
 

virtinst/virtinstall.py

@@ -411,6 +411,9 @@ def build_installer(options, guest, installdata):
         else:
             extra_args = [installdata.kernel_args]
 
+    if options.unattended and options.cloud_init:
+        fail("--unattended and --cloud-init can not be specified together.")
+
     if options.unattended:
         unattended_data = cli.parse_unattended(options.unattended)