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https://gitlab.com/libvirt/libvirt.git
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daemon: Hook up the virLog{Get,Set}DefaultOutput to the daemon's init routine
Now that virLog{Get,Set}DefaultOutput routines are introduced we can wire them up to the daemon's logging initialization code. Also, change the order of operations a bit so that we still strictly honor our precedence of settings: cmdline > env > config now that outputs and filters are not appended anymore. Signed-off-by: Erik Skultety <eskultet@redhat.com>
This commit is contained in:
parent
0d6cf32721
commit
94c465d0eb
@ -675,103 +675,33 @@ daemonSetupLogging(struct daemonConfig *config,
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* Libvirtd's order of precedence is:
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* Libvirtd's order of precedence is:
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* cmdline > environment > config
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* cmdline > environment > config
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*
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*
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* In order to achieve this, we must process configuration in
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* The default output is applied only if there was no setting from either
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* different order for the log level versus the filters and
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* the config or the environment. Because we don't have a way to determine
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* outputs. Because filters and outputs append, we have to look at
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* if the log level has been set, we must process variables in the opposite
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* the environment first and then only check the config file if
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* there was no result from the environment. The default output is
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* then applied only if there was no setting from either of the
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* first two. Because we don't have a way to determine if the log
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* level has been set, we must process variables in the opposite
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* order, each one overriding the previous.
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* order, each one overriding the previous.
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*/
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*/
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if (config->log_level != 0)
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if (config->log_level != 0)
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virLogSetDefaultPriority(config->log_level);
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virLogSetDefaultPriority(config->log_level);
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if (virLogSetDefaultOutput("libvirtd.log", godaemon, privileged) < 0)
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return -1;
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/* In case the config is empty, the filters become empty and outputs will
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* be set to default
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*/
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ignore_value(virLogSetFilters(config->log_filters));
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ignore_value(virLogSetOutputs(config->log_outputs));
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/* If there are some environment variables defined, use those instead */
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virLogSetFromEnv();
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virLogSetFromEnv();
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if (virLogGetNbFilters() == 0)
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virLogSetFilters(config->log_filters);
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if (virLogGetNbOutputs() == 0)
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virLogSetOutputs(config->log_outputs);
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/*
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/*
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* Command line override for --verbose
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* Command line override for --verbose
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*/
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*/
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if ((verbose) && (virLogGetDefaultPriority() > VIR_LOG_INFO))
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if ((verbose) && (virLogGetDefaultPriority() > VIR_LOG_INFO))
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virLogSetDefaultPriority(VIR_LOG_INFO);
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virLogSetDefaultPriority(VIR_LOG_INFO);
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/*
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* If no defined outputs, and either running
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* as daemon or not on a tty, then first try
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* to direct it to the systemd journal
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* (if it exists)....
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*/
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if (virLogGetNbOutputs() == 0 &&
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(godaemon || !isatty(STDIN_FILENO))) {
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char *tmp;
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if (access("/run/systemd/journal/socket", W_OK) >= 0) {
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virLogPriority priority = virLogGetDefaultPriority();
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/* By default we don't want to log too much stuff into journald as
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* it may employ rate limiting and thus block libvirt execution. */
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if (priority == VIR_LOG_DEBUG)
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priority = VIR_LOG_INFO;
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if (virAsprintf(&tmp, "%d:journald", priority) < 0)
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goto error;
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virLogSetOutputs(tmp);
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VIR_FREE(tmp);
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}
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}
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/*
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* otherwise direct to libvirtd.log when running
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* as daemon. Otherwise the default output is stderr.
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*/
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if (virLogGetNbOutputs() == 0) {
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char *tmp = NULL;
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if (godaemon) {
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if (privileged) {
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if (virAsprintf(&tmp, "%d:file:%s/log/libvirt/libvirtd.log",
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virLogGetDefaultPriority(),
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LOCALSTATEDIR) == -1)
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goto error;
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} else {
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char *logdir = virGetUserCacheDirectory();
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mode_t old_umask;
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if (!logdir)
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goto error;
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old_umask = umask(077);
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if (virFileMakePath(logdir) < 0) {
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umask(old_umask);
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goto error;
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}
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umask(old_umask);
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if (virAsprintf(&tmp, "%d:file:%s/libvirtd.log",
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virLogGetDefaultPriority(), logdir) == -1) {
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VIR_FREE(logdir);
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goto error;
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}
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VIR_FREE(logdir);
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}
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} else {
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if (virAsprintf(&tmp, "%d:stderr", virLogGetDefaultPriority()) < 0)
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goto error;
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}
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virLogSetOutputs(tmp);
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VIR_FREE(tmp);
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}
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return 0;
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return 0;
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error:
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return -1;
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}
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}
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@ -460,97 +460,33 @@ virLockDaemonSetupLogging(virLockDaemonConfigPtr config,
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* Libvirtd's order of precedence is:
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* Libvirtd's order of precedence is:
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* cmdline > environment > config
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* cmdline > environment > config
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*
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*
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* In order to achieve this, we must process configuration in
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* The default output is applied only if there was no setting from either
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* different order for the log level versus the filters and
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* the config or the environment. Because we don't have a way to determine
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* outputs. Because filters and outputs append, we have to look at
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* if the log level has been set, we must process variables in the opposite
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* the environment first and then only check the config file if
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* there was no result from the environment. The default output is
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* then applied only if there was no setting from either of the
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* first two. Because we don't have a way to determine if the log
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* level has been set, we must process variables in the opposite
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* order, each one overriding the previous.
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* order, each one overriding the previous.
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*/
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*/
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if (config->log_level != 0)
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if (config->log_level != 0)
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virLogSetDefaultPriority(config->log_level);
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virLogSetDefaultPriority(config->log_level);
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if (virLogSetDefaultOutput("virtlockd.log", godaemon, privileged) < 0)
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return -1;
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/* In case the config is empty, the filters become empty and outputs will
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* be set to default
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*/
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ignore_value(virLogSetFilters(config->log_filters));
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ignore_value(virLogSetOutputs(config->log_outputs));
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/* If there are some environment variables defined, use those instead */
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virLogSetFromEnv();
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virLogSetFromEnv();
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if (virLogGetNbFilters() == 0)
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virLogSetFilters(config->log_filters);
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if (virLogGetNbOutputs() == 0)
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virLogSetOutputs(config->log_outputs);
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/*
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/*
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* Command line override for --verbose
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* Command line override for --verbose
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*/
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*/
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if ((verbose) && (virLogGetDefaultPriority() > VIR_LOG_INFO))
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if ((verbose) && (virLogGetDefaultPriority() > VIR_LOG_INFO))
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virLogSetDefaultPriority(VIR_LOG_INFO);
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virLogSetDefaultPriority(VIR_LOG_INFO);
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/*
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* If no defined outputs, and either running
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* as daemon or not on a tty, then first try
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* to direct it to the systemd journal
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* (if it exists)....
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*/
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if (virLogGetNbOutputs() == 0 &&
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(godaemon || !isatty(STDIN_FILENO))) {
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char *tmp;
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if (access("/run/systemd/journal/socket", W_OK) >= 0) {
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if (virAsprintf(&tmp, "%d:journald", virLogGetDefaultPriority()) < 0)
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goto error;
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virLogSetOutputs(tmp);
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VIR_FREE(tmp);
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}
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}
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/*
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* otherwise direct to libvirtd.log when running
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* as daemon. Otherwise the default output is stderr.
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*/
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if (virLogGetNbOutputs() == 0) {
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char *tmp = NULL;
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if (godaemon) {
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if (privileged) {
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if (virAsprintf(&tmp, "%d:file:%s/log/libvirt/virtlockd.log",
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virLogGetDefaultPriority(),
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LOCALSTATEDIR) == -1)
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goto error;
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} else {
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char *logdir = virGetUserCacheDirectory();
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mode_t old_umask;
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if (!logdir)
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goto error;
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old_umask = umask(077);
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if (virFileMakePath(logdir) < 0) {
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VIR_FREE(logdir);
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umask(old_umask);
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goto error;
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}
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umask(old_umask);
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if (virAsprintf(&tmp, "%d:file:%s/virtlockd.log",
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virLogGetDefaultPriority(), logdir) == -1) {
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VIR_FREE(logdir);
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goto error;
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}
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VIR_FREE(logdir);
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}
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} else {
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if (virAsprintf(&tmp, "%d:stderr", virLogGetDefaultPriority()) < 0)
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goto error;
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}
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virLogSetOutputs(tmp);
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VIR_FREE(tmp);
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}
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return 0;
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return 0;
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error:
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return -1;
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}
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}
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@ -385,100 +385,36 @@ virLogDaemonSetupLogging(virLogDaemonConfigPtr config,
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virLogReset();
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virLogReset();
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/*
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/*
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* virtlogd's order of precedence is:
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* Libvirtd's order of precedence is:
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* cmdline > environment > config
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* cmdline > environment > config
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*
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*
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* In order to achieve this, we must process configuration in
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* The default output is applied only if there was no setting from either
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* different order for the log level versus the filters and
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* the config or the environment. Because we don't have a way to determine
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* outputs. Because filters and outputs append, we have to look at
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* if the log level has been set, we must process variables in the opposite
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* the environment first and then only check the config file if
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* there was no result from the environment. The default output is
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* then applied only if there was no setting from either of the
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* first two. Because we don't have a way to determine if the log
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* level has been set, we must process variables in the opposite
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* order, each one overriding the previous.
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* order, each one overriding the previous.
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*/
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*/
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if (config->log_level != 0)
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if (config->log_level != 0)
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virLogSetDefaultPriority(config->log_level);
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virLogSetDefaultPriority(config->log_level);
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if (virLogSetDefaultOutput("virtlogd.log", godaemon, privileged) < 0)
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return -1;
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/* In case the config is empty, the filters become empty and outputs will
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* be set to default
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*/
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ignore_value(virLogSetFilters(config->log_filters));
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ignore_value(virLogSetOutputs(config->log_outputs));
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/* If there are some environment variables defined, use those instead */
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virLogSetFromEnv();
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virLogSetFromEnv();
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if (virLogGetNbFilters() == 0)
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virLogSetFilters(config->log_filters);
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if (virLogGetNbOutputs() == 0)
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virLogSetOutputs(config->log_outputs);
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/*
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/*
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* Command line override for --verbose
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* Command line override for --verbose
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*/
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*/
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if ((verbose) && (virLogGetDefaultPriority() > VIR_LOG_INFO))
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if ((verbose) && (virLogGetDefaultPriority() > VIR_LOG_INFO))
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virLogSetDefaultPriority(VIR_LOG_INFO);
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virLogSetDefaultPriority(VIR_LOG_INFO);
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/*
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* If no defined outputs, and either running
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* as daemon or not on a tty, then first try
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* to direct it to the systemd journal
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* (if it exists)....
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*/
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if (virLogGetNbOutputs() == 0 &&
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(godaemon || !isatty(STDIN_FILENO))) {
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char *tmp;
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if (access("/run/systemd/journal/socket", W_OK) >= 0) {
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if (virAsprintf(&tmp, "%d:journald", virLogGetDefaultPriority()) < 0)
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goto error;
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virLogSetOutputs(tmp);
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VIR_FREE(tmp);
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}
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}
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/*
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* otherwise direct to libvirtd.log when running
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* as daemon. Otherwise the default output is stderr.
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*/
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if (virLogGetNbOutputs() == 0) {
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char *tmp = NULL;
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if (godaemon) {
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if (privileged) {
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if (virAsprintf(&tmp, "%d:file:%s/log/libvirt/virtlogd.log",
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virLogGetDefaultPriority(),
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LOCALSTATEDIR) == -1)
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goto error;
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} else {
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char *logdir = virGetUserCacheDirectory();
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mode_t old_umask;
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if (!logdir)
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goto error;
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old_umask = umask(077);
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if (virFileMakePath(logdir) < 0) {
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umask(old_umask);
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VIR_FREE(logdir);
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goto error;
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}
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umask(old_umask);
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if (virAsprintf(&tmp, "%d:file:%s/virtlogd.log",
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virLogGetDefaultPriority(), logdir) == -1) {
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VIR_FREE(logdir);
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goto error;
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}
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VIR_FREE(logdir);
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}
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} else {
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if (virAsprintf(&tmp, "%d:stderr", virLogGetDefaultPriority()) < 0)
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goto error;
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}
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virLogSetOutputs(tmp);
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VIR_FREE(tmp);
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}
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return 0;
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return 0;
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error:
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return -1;
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}
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}
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Loading…
Reference in New Issue
Block a user