Re: [PATCH 3/6] nss: Make logging conditional on an envvar

From: Michal Privoznik <mprivozn(a)redhat.com&gt; As promised in previous commit, make NSS modules silent by default and enable debug printings if LIBVIRT_NSS_DEBUG envvar is set. Signed-off-by: Michal Privoznik <mprivozn(a)redhat.com&gt; --- docs/nss.rst | 13 +++++++++++++ tools/nss/libvirt_nss_log.c | 4 ++++ tools/nss/libvirt_nss_log.h | 2 ++ 3 files changed, 19 insertions(+) diff --git a/docs/nss.rst b/docs/nss.rst index be137d987b..3df85cee0a 100644 --- a/docs/nss.rst +++ b/docs/nss.rst @@ -111,6 +111,19 @@ their IP addresses in any other way (usermode networking, assigned network devices and so on) will not be able to have their hostnames resolved through it. +Debugging +--------- + +:since:`Since 11.5.0` both NSS modules check for ``LIBVIRT_NSS_DEBUG``

+environment variable¸ which if set to any value turns on printing of debug and +error messages onto standard error output. This can be useful when debugging +either of the module. + +:: + + $ LIBVIRT_NSS_DEBUG=1 getent hosts mydomain + +