libvirt/src/logging/log_daemon_config.c
Oleg Vasilev e69a3d1a79 logging: add configuration for future log cleaner
We want to specify the folder to clean and how much time can a log
chain live.

Signed-off-by: Oleg Vasilev <oleg.vasilev@virtuozzo.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
2023-02-06 15:28:51 +01:00

131 lines
3.4 KiB
C

/*
* log_daemon_config.c: virtlogd config file handling
*
* Copyright (C) 2006-2015 Red Hat, Inc.
* Copyright (C) 2006 Daniel P. Berrange
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include "log_daemon_config.h"
#include "virconf.h"
#include "virlog.h"
#include "configmake.h"
#include "virutil.h"
#define VIR_FROM_THIS VIR_FROM_CONF
#define DEFAULT_LOG_ROOT LOCALSTATEDIR "/log/libvirt/"
VIR_LOG_INIT("logging.log_daemon_config");
int
virLogDaemonConfigFilePath(bool privileged, char **configfile)
{
if (privileged) {
*configfile = g_strdup(SYSCONFDIR "/libvirt/virtlogd.conf");
} else {
g_autofree char *configdir = NULL;
configdir = virGetUserConfigDirectory();
*configfile = g_strdup_printf("%s/virtlogd.conf", configdir);
}
return 0;
}
virLogDaemonConfig *
virLogDaemonConfigNew(bool privileged G_GNUC_UNUSED)
{
virLogDaemonConfig *data;
data = g_new0(virLogDaemonConfig, 1);
data->max_clients = 1024;
data->admin_max_clients = 5000;
data->max_size = 1024 * 1024 * 2;
data->max_backups = 3;
data->max_age_days = 0;
return data;
}
void
virLogDaemonConfigFree(virLogDaemonConfig *data)
{
if (!data)
return;
g_free(data->log_filters);
g_free(data->log_outputs);
g_free(data->log_root);
g_free(data);
}
static int
virLogDaemonConfigLoadOptions(virLogDaemonConfig *data,
virConf *conf)
{
if (virConfGetValueUInt(conf, "log_level", &data->log_level) < 0)
return -1;
if (virConfGetValueString(conf, "log_filters", &data->log_filters) < 0)
return -1;
if (virConfGetValueString(conf, "log_outputs", &data->log_outputs) < 0)
return -1;
if (virConfGetValueUInt(conf, "max_clients", &data->max_clients) < 0)
return -1;
if (virConfGetValueUInt(conf, "admin_max_clients", &data->admin_max_clients) < 0)
return -1;
if (virConfGetValueSizeT(conf, "max_size", &data->max_size) < 0)
return -1;
if (virConfGetValueSizeT(conf, "max_backups", &data->max_backups) < 0)
return -1;
if (virConfGetValueSizeT(conf, "max_age_days", &data->max_age_days) < 0)
return -1;
if (virConfGetValueString(conf, "log_root", &data->log_root) < 0)
return -1;
if (!data->log_root)
data->log_root = g_strdup(DEFAULT_LOG_ROOT);
return 0;
}
/* Read the config file if it exists.
*/
int
virLogDaemonConfigLoadFile(virLogDaemonConfig *data,
const char *filename,
bool allow_missing)
{
g_autoptr(virConf) conf = NULL;
if (allow_missing &&
access(filename, R_OK) == -1 &&
errno == ENOENT)
return 0;
conf = virConfReadFile(filename, 0);
if (!conf)
return -1;
return virLogDaemonConfigLoadOptions(data, conf);
}