[libvirt] [PATCH 8/9] Automatically enable systemd journal logging

From: "Daniel P. Berrange" <berrange(a)redhat.com&gt; Probe to see if the systemd journal is accessible, and if so enable logging to the journal by default, rather than stderr (current default under systemd). Signed-off-by: Daniel P. Berrange <berrange(a)redhat.com&gt; --- daemon/libvirtd.c | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) diff --git a/daemon/libvirtd.c b/daemon/libvirtd.c index 0151124..e9e2e59 100644 --- a/daemon/libvirtd.c +++ b/daemon/libvirtd.c @@ -636,7 +636,21 @@ daemonSetupLogging(struct daemonConfig *config, virLogParseOutputs(config->log_outputs); /* - * If no defined outputs, then direct to libvirtd.log when running + * If no defined outputs, then first try to direct it + * to the systemd journal (if it exists).... + */ + if (virLogGetNbOutputs() == 0) { + char *tmp; + if (access("/run/systemd/journal/socket", W_OK) >= 0) { + if (virAsprintf(&tmp, "%d:journald", virLogGetDefaultPriority()) < 0) + goto no_memory; + virLogParseOutputs(tmp); + VIR_FREE(tmp); + } + } + + /* + * otherwise direct to libvirtd.log when running * as daemon. Otherwise the default output is stderr. */ if (virLogGetNbOutputs() == 0) { -- 1.7.11.4