Re: [PATCH 5/6] qemu: Add per-VM control of deprecation behavior

Similar to the qemu.conf knob 'deprecation_behavior' add a per-VM knob in the QEMU namespace: <qemu:deprecation behavior='...'/> Signed-off-by: Peter Krempa <pkrempa(a)redhat.com&gt; --- docs/drvqemu.rst | 48 +++++++++++++++++++ docs/schemas/domaincommon.rng | 16 +++++++ src/qemu/qemu_domain.c | 10 +++- src/qemu/qemu_domain.h | 5 ++ tests/qemuxml2argvdata/qemu-ns.xml | 1 + .../qemu-ns.x86_64-latest.xml | 1 + 6 files changed, 80 insertions(+), 1 deletion(-) diff --git a/docs/drvqemu.rst b/docs/drvqemu.rst index 0f8fd9e47d..41c9c5d8e1 100644 --- a/docs/drvqemu.rst +++ b/docs/drvqemu.rst @@ -523,6 +523,54 @@ Example: </qemu:capabilities> </domain> +Control of QEMU deprecation warnings +------------------------------------ + +The following knob controls how QEMU behaves towards deprecated commands and +arguments used by libvirt: + +:: + + <domain type='qemu' xmlns:qemu='http://libvirt.org/schemas/domain/qemu/1.0'> + <name>testvm</name> + + [...] + + <qemu:deprecation behavior='crash'/> + +This setting is meant for developers and CI efforts to make it obvious when +libvirt relies on fields which are deprecated so that it can be fixes as soon +as possible. + +Possible options are: + +``none`` + (default) qemu is supposed to accept and output deprecated fields and commands + +``omit`` + qemu is instructed to omit deprecated fields on output, behaviour towards + fields and commadns from libvirtd is not changed