/*
* Set up the logging environment
* By default if daemonized all errors go to the logfile libvirtd.log,
* but if verbose or error debugging is asked for then also output
* informational and debug messages. Default size if 64 kB.
*/
static int
daemonSetupLogging(struct daemonConfig *config,
bool privileged,
bool verbose,
bool godaemon)
{
virLogReset();
/*
* Libvirtd's order of precedence is:
* cmdline > environment > config
*
* In order to achieve this, we must process configuration in
* different order for the log level versus the filters and
* outputs. Because filters and outputs append, we have to look at
* the environment first and then only check the config file if
* there was no result from the environment. The default output is
* then applied only if there was no setting from either of the
* first two. Because we don't have a way to determine if the log
* level has been set, we must process variables in the opposite
* order, each one overriding the previous.
*/
if (config->log_level != 0)
virLogSetDefaultPriority(config->log_level);
virLogSetFromEnv();
if (virLogGetNbFilters() == 0)
virLogParseFilters(config->log_filters);
if (virLogGetNbOutputs() == 0)
virLogParseOutputs(config->log_outputs);
/*
* If no defined outputs, and either running
* as daemon or not on a tty, then first try
* to direct it to the systemd journal
* (if it exists)....
*/
if (virLogGetNbOutputs() == 0 &&
(godaemon || !isatty(STDIN_FILENO))) {
char *tmp;
if (access("/run/systemd/journal/socket", W_OK) >= 0) {
if (virAsprintf(&tmp, "%d:journald", virLogGetDefaultPriority()) < 0)
goto error;
virLogParseOutputs(tmp);
VIR_FREE(tmp);
}
}
/*
* otherwise direct to libvirtd.log when running
* as daemon. Otherwise the default output is stderr.
*/
if (virLogGetNbOutputs() == 0) {
char *tmp = NULL;
if (godaemon) {
if (privileged) {
if (virAsprintf(&tmp, "%d:file:%s/log/libvirt/libvirtd.log",
virLogGetDefaultPriority(),
LOCALSTATEDIR) == -1)
goto error;
} else {
char *logdir = virGetUserCacheDirectory();
mode_t old_umask;
if (!logdir)
goto error;
old_umask = umask(077);
if (virFileMakePath(logdir) < 0) {
umask(old_umask);
goto error;
}
umask(old_umask);
if (virAsprintf(&tmp, "%d:file:%s/libvirtd.log",
virLogGetDefaultPriority(), logdir) == -1) {
VIR_FREE(logdir);
goto error;
}
VIR_FREE(logdir);
}
} else {
if (virAsprintf(&tmp, "%d:stderr", virLogGetDefaultPriority()) < 0)
goto error;
}
virLogParseOutputs(tmp);
VIR_FREE(tmp);
}
/*
* Command line override for --verbose
*/
if ((verbose) && (virLogGetDefaultPriority() > VIR_LOG_INFO))
virLogSetDefaultPriority(VIR_LOG_INFO);
return 0;
error:
return -1;
}
virQEMUDriverConfigPtr virQEMUDriverConfigNew(bool privileged)
{
virQEMUDriverConfigPtr cfg;
if (virQEMUConfigInitialize() < 0)
return NULL;
if (!(cfg = virObjectNew(virQEMUDriverConfigClass)))
return NULL;
cfg->uri = privileged ? "qemu:///system" : "qemu:///session";
if (privileged) {
if (virGetUserID(QEMU_USER, &cfg->user) < 0)
goto error;
if (virGetGroupID(QEMU_GROUP, &cfg->group) < 0)
goto error;
} else {
cfg->user = (uid_t)-1;
cfg->group = (gid_t)-1;
}
cfg->dynamicOwnership = privileged;
cfg->cgroupControllers = -1; /* -1 == auto-detect */
if (privileged) {
if (virAsprintf(&cfg->logDir,
"%s/log/libvirt/qemu", LOCALSTATEDIR) < 0)
goto error;
if (VIR_STRDUP(cfg->configBaseDir, SYSCONFDIR "/libvirt") < 0)
goto error;
if (virAsprintf(&cfg->stateDir,
"%s/run/libvirt/qemu", LOCALSTATEDIR) < 0)
goto error;
if (virAsprintf(&cfg->cacheDir,
"%s/cache/libvirt/qemu", LOCALSTATEDIR) < 0)
goto error;
if (virAsprintf(&cfg->libDir,
"%s/lib/libvirt/qemu", LOCALSTATEDIR) < 0)
goto error;
if (virAsprintf(&cfg->saveDir, "%s/save", cfg->libDir) < 0)
goto error;
if (virAsprintf(&cfg->snapshotDir, "%s/snapshot", cfg->libDir) < 0)
goto error;
if (virAsprintf(&cfg->autoDumpPath, "%s/dump", cfg->libDir) < 0)
goto error;
if (virAsprintf(&cfg->channelTargetDir,
"%s/channel/target", cfg->libDir) < 0)
goto error;
if (virAsprintf(&cfg->nvramDir, "%s/nvram", cfg->libDir) < 0)
goto error;
} else {
char *rundir;
char *cachedir;
cachedir = virGetUserCacheDirectory();
if (!cachedir)
goto error;
if (virAsprintf(&cfg->logDir,
"%s/qemu/log", cachedir) < 0) {
VIR_FREE(cachedir);
goto error;
}
if (virAsprintf(&cfg->cacheDir, "%s/qemu/cache", cachedir) < 0) {
VIR_FREE(cachedir);
goto error;
}
VIR_FREE(cachedir);
rundir = virGetUserRuntimeDirectory();
if (!rundir)
goto error;
if (virAsprintf(&cfg->stateDir, "%s/qemu/run", rundir) < 0) {
VIR_FREE(rundir);
goto error;
}
VIR_FREE(rundir);
if (!(cfg->configBaseDir = virGetUserConfigDirectory()))
goto error;
if (virAsprintf(&cfg->libDir, "%s/qemu/lib", cfg->configBaseDir) < 0)
goto error;
if (virAsprintf(&cfg->saveDir, "%s/qemu/save", cfg->configBaseDir) < 0)
goto error;
if (virAsprintf(&cfg->snapshotDir, "%s/qemu/snapshot", cfg->configBaseDir) < 0)
goto error;
if (virAsprintf(&cfg->autoDumpPath, "%s/qemu/dump", cfg->configBaseDir) < 0)
goto error;
if (virAsprintf(&cfg->channelTargetDir,
"%s/qemu/channel/target", cfg->configBaseDir) < 0)
goto error;
if (virAsprintf(&cfg->nvramDir,
"%s/qemu/nvram", cfg->configBaseDir) < 0)
goto error;
}
if (virAsprintf(&cfg->configDir, "%s/qemu", cfg->configBaseDir) < 0)
goto error;
if (virAsprintf(&cfg->autostartDir, "%s/qemu/autostart", cfg->configBaseDir) < 0)
goto error;
if (VIR_STRDUP(cfg->vncListen, "127.0.0.1") < 0)
goto error;
if (VIR_STRDUP(cfg->vncTLSx509certdir, SYSCONFDIR "/pki/libvirt-vnc") < 0)
goto error;
if (VIR_STRDUP(cfg->spiceListen, "127.0.0.1") < 0)
goto error;
if (VIR_STRDUP(cfg->spiceTLSx509certdir,
SYSCONFDIR "/pki/libvirt-spice") < 0)
goto error;
cfg->remotePortMin = QEMU_REMOTE_PORT_MIN;
cfg->remotePortMax = QEMU_REMOTE_PORT_MAX;
cfg->webSocketPortMin = QEMU_WEBSOCKET_PORT_MIN;
cfg->webSocketPortMax = QEMU_WEBSOCKET_PORT_MAX;
cfg->migrationPortMin = QEMU_MIGRATION_PORT_MIN;
cfg->migrationPortMax = QEMU_MIGRATION_PORT_MAX;
/* For privileged driver, try and find hugetlbfs mounts automatically.
* Non-privileged driver requires admin to create a dir for the
* user, chown it, and then let user configure it manually. */
if (privileged &&
virFileFindHugeTLBFS(&cfg->hugetlbfs, &cfg->nhugetlbfs) < 0) {
/* This however is not implemented on all platforms. */
virErrorPtr err = virGetLastError();
if (err && err->code != VIR_ERR_NO_SUPPORT)
goto error;
}
if (VIR_STRDUP(cfg->bridgeHelperName, QEMU_BRIDGE_HELPER) < 0)
goto error;
cfg->clearEmulatorCapabilities = true;
cfg->securityDefaultConfined = true;
cfg->securityRequireConfined = false;
cfg->keepAliveInterval = 5;
cfg->keepAliveCount = 5;
cfg->seccompSandbox = -1;
cfg->logTimestamp = true;
cfg->stdioLogD = true;
#ifdef DEFAULT_LOADER_NVRAM
if (virFirmwareParseList(DEFAULT_LOADER_NVRAM,
&cfg->firmwares,
&cfg->nfirmwares) < 0)
goto error;
#else
if (VIR_ALLOC_N(cfg->firmwares, 2) < 0)
goto error;
cfg->nfirmwares = 2;
if (VIR_ALLOC(cfg->firmwares[0]) < 0 || VIR_ALLOC(cfg->firmwares[1]) < 0)
goto error;
if (VIR_STRDUP(cfg->firmwares[0]->name, VIR_QEMU_AAVMF_LOADER_PATH) < 0 ||
VIR_STRDUP(cfg->firmwares[0]->nvram, VIR_QEMU_AAVMF_NVRAM_PATH) < 0 ||
VIR_STRDUP(cfg->firmwares[1]->name, VIR_QEMU_OVMF_LOADER_PATH) < 0 ||
VIR_STRDUP(cfg->firmwares[1]->nvram, VIR_QEMU_OVMF_NVRAM_PATH) < 0)
goto error;
#endif
return cfg;
error:
virObjectUnref(cfg);
return NULL;
}
virQEMUDriverConfigPtr virQEMUDriverConfigNew(bool privileged)
{
virQEMUDriverConfigPtr cfg;
if (virQEMUConfigInitialize() < 0)
return NULL;
if (!(cfg = virObjectNew(virQEMUDriverConfigClass)))
return NULL;
cfg->privileged = privileged;
cfg->uri = privileged ? "qemu:///system" : "qemu:///session";
if (privileged) {
if (virGetUserID(QEMU_USER, &cfg->user) < 0)
goto error;
if (virGetGroupID(QEMU_GROUP, &cfg->group) < 0)
goto error;
} else {
cfg->user = (uid_t)-1;
cfg->group = (gid_t)-1;
}
cfg->dynamicOwnership = privileged;
cfg->cgroupControllers = -1; /* -1 == auto-detect */
if (privileged) {
if (virAsprintf(&cfg->logDir,
"%s/log/libvirt/qemu", LOCALSTATEDIR) < 0)
goto error;
if (VIR_STRDUP(cfg->configBaseDir, SYSCONFDIR "/libvirt") < 0)
goto error;
if (virAsprintf(&cfg->stateDir,
"%s/run/libvirt/qemu", LOCALSTATEDIR) < 0)
goto error;
if (virAsprintf(&cfg->libDir,
"%s/lib/libvirt/qemu", LOCALSTATEDIR) < 0)
goto error;
if (virAsprintf(&cfg->cacheDir,
"%s/cache/libvirt/qemu", LOCALSTATEDIR) < 0)
goto error;
if (virAsprintf(&cfg->saveDir,
"%s/lib/libvirt/qemu/save", LOCALSTATEDIR) < 0)
goto error;
if (virAsprintf(&cfg->snapshotDir,
"%s/lib/libvirt/qemu/snapshot", LOCALSTATEDIR) < 0)
goto error;
if (virAsprintf(&cfg->autoDumpPath,
"%s/lib/libvirt/qemu/dump", LOCALSTATEDIR) < 0)
goto error;
} else {
char *rundir;
char *cachedir;
cachedir = virGetUserCacheDirectory();
if (!cachedir)
goto error;
if (virAsprintf(&cfg->logDir,
"%s/qemu/log", cachedir) < 0) {
VIR_FREE(cachedir);
goto error;
}
if (virAsprintf(&cfg->cacheDir, "%s/qemu/cache", cachedir) < 0) {
VIR_FREE(cachedir);
goto error;
}
VIR_FREE(cachedir);
rundir = virGetUserRuntimeDirectory();
if (!rundir)
goto error;
if (virAsprintf(&cfg->stateDir, "%s/qemu/run", rundir) < 0) {
VIR_FREE(rundir);
goto error;
}
VIR_FREE(rundir);
if (!(cfg->configBaseDir = virGetUserConfigDirectory()))
goto error;
if (virAsprintf(&cfg->libDir, "%s/qemu/lib", cfg->configBaseDir) < 0)
goto error;
if (virAsprintf(&cfg->saveDir, "%s/qemu/save", cfg->configBaseDir) < 0)
goto error;
if (virAsprintf(&cfg->snapshotDir, "%s/qemu/snapshot", cfg->configBaseDir) < 0)
goto error;
if (virAsprintf(&cfg->autoDumpPath, "%s/qemu/dump", cfg->configBaseDir) < 0)
goto error;
}
if (virAsprintf(&cfg->configDir, "%s/qemu", cfg->configBaseDir) < 0)
goto error;
if (virAsprintf(&cfg->autostartDir, "%s/qemu/autostart", cfg->configBaseDir) < 0)
goto error;
if (VIR_STRDUP(cfg->vncListen, "127.0.0.1") < 0)
goto error;
if (VIR_STRDUP(cfg->vncTLSx509certdir, SYSCONFDIR "/pki/libvirt-vnc") < 0)
goto error;
if (VIR_STRDUP(cfg->spiceListen, "127.0.0.1") < 0)
goto error;
if (VIR_STRDUP(cfg->spiceTLSx509certdir,
SYSCONFDIR "/pki/libvirt-spice") < 0)
goto error;
cfg->remotePortMin = QEMU_REMOTE_PORT_MIN;
cfg->remotePortMax = QEMU_REMOTE_PORT_MAX;
cfg->webSocketPortMin = QEMU_WEBSOCKET_PORT_MIN;
cfg->webSocketPortMax = QEMU_WEBSOCKET_PORT_MAX;
cfg->migrationPortMin = QEMU_MIGRATION_PORT_MIN;
cfg->migrationPortMax = QEMU_MIGRATION_PORT_MAX;
#if defined HAVE_MNTENT_H && defined HAVE_GETMNTENT_R
/* For privileged driver, try and find hugepage mount automatically.
* Non-privileged driver requires admin to create a dir for the
* user, chown it, and then let user configure it manually */
if (privileged &&
!(cfg->hugetlbfsMount = virFileFindMountPoint("hugetlbfs"))) {
if (errno != ENOENT) {
virReportSystemError(errno, "%s",
_("unable to find hugetlbfs mountpoint"));
goto error;
}
}
#endif
if (VIR_STRDUP(cfg->bridgeHelperName, "/usr/libexec/qemu-bridge-helper") < 0)
goto error;
cfg->clearEmulatorCapabilities = true;
cfg->securityDefaultConfined = true;
cfg->securityRequireConfined = false;
cfg->keepAliveInterval = 5;
cfg->keepAliveCount = 5;
cfg->seccompSandbox = -1;
return cfg;
error:
virObjectUnref(cfg);
return NULL;
}
