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zabbix/src/zabbix_server/server.c

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/*
** Zabbix
** Copyright (C) 2001-2023 Zabbix SIA
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
**
** This program 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 General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
**/
#include "config.h"
#ifdef HAVE_SQLITE3
# error SQLite is not supported as a main Zabbix database backend.
#endif
#include "zbxexport.h"
#include "zbxself.h"
#include "cfg.h"
#include "zbxdbupgrade.h"
#include "zbxlog.h"
#include "zbxgetopt.h"
#include "zbxmutexs.h"
#include "zbxmodules.h"
#include "zbxnix.h"
#include "zbxcomms.h"
#include "alerter/alerter.h"
#include "zbxdbsyncer.h"
#include "dbconfig/dbconfig.h"
#include "discoverer/discoverer.h"
#include "httppoller/httppoller.h"
#include "housekeeper/housekeeper.h"
#include "pinger/pinger.h"
#include "poller/poller.h"
#include "timer/timer.h"
#include "trapper/trapper.h"
#include "snmptrapper/snmptrapper.h"
#include "escalator/escalator.h"
#include "proxypoller/proxypoller.h"
#include "vmware/vmware.h"
#include "taskmanager/taskmanager.h"
#include "connector/connector_manager.h"
#include "connector/connector_worker.h"
#include "zbxconnector.h"
#include "service/service_manager.h"
#include "housekeeper/trigger_housekeeper.h"
#include "lld/lld_manager.h"
#include "lld/lld_worker.h"
#include "reporter/report_manager.h"
#include "reporter/report_writer.h"
#include "events/events.h"
#include "zbxcachevalue.h"
#include "zbxcachehistory.h"
#include "zbxhistory.h"
#include "postinit.h"
#include "zbxvault.h"
#include "zbxtrends.h"
#include "ha/ha.h"
#include "zbxrtc.h"
#include "rtc/rtc_server.h"
#include "zbxstats.h"
#include "stats/zabbix_stats.h"
#include "zbxdiag.h"
#include "diag/diag_server.h"
#include "zbxip.h"
#include "zbxsysinfo.h"
#include "zbx_rtc_constants.h"
#include "zbxthreads.h"
#include "zbxicmpping.h"
#include "zbxipcservice.h"
#include "preproc/preproc_server.h"
#include "zbxavailability.h"
#include "zbxdbwrap.h"
#include "lld/lld_protocol.h"
#include "zbxdiscovery.h"
#include "zbxscripts.h"
#ifdef HAVE_OPENIPMI
#include "ipmi/ipmi_manager.h"
#include "ipmi/ipmi_poller.h"
#endif
const char *progname = NULL;
const char title_message[] = "zabbix_server";
const char syslog_app_name[] = "zabbix_server";
const char *usage_message[] = {
"[-c config-file]", NULL,
"[-c config-file]", "-R runtime-option", NULL,
"-h", NULL,
"-V", NULL,
NULL /* end of text */
};
const char *help_message[] = {
"The core daemon of Zabbix software.",
"",
"Options:",
" -c --config config-file Path to the configuration file",
" (default: \"" DEFAULT_CONFIG_FILE "\")",
" -f --foreground Run Zabbix server in foreground",
" -R --runtime-control runtime-option Perform administrative functions",
"",
" Runtime control options:",
" " ZBX_CONFIG_CACHE_RELOAD " Reload configuration cache",
" " ZBX_HOUSEKEEPER_EXECUTE " Execute the housekeeper",
" " ZBX_TRIGGER_HOUSEKEEPER_EXECUTE " Execute the trigger housekeeper",
" " ZBX_LOG_LEVEL_INCREASE "=target Increase log level, affects all processes if",
" target is not specified",
" " ZBX_LOG_LEVEL_DECREASE "=target Decrease log level, affects all processes if",
" target is not specified",
" " ZBX_SNMP_CACHE_RELOAD " Reload SNMP cache",
" " ZBX_SECRETS_RELOAD " Reload secrets from Vault",
" " ZBX_DIAGINFO "=section Log internal diagnostic information of the",
" section (historycache, preprocessing, alerting,",
" lld, valuecache, locks, connector) or everything if section is",
" not specified",
" " ZBX_PROF_ENABLE "=target Enable profiling, affects all processes if",
" target is not specified",
" " ZBX_PROF_DISABLE "=target Disable profiling, affects all processes if",
" target is not specified",
" " ZBX_SERVICE_CACHE_RELOAD " Reload service manager cache",
" " ZBX_HA_STATUS " Display HA cluster status",
" " ZBX_HA_REMOVE_NODE "=target Remove the HA node specified by its name or ID",
" " ZBX_HA_SET_FAILOVER_DELAY "=delay Set HA failover delay",
" " ZBX_PROXY_CONFIG_CACHE_RELOAD "[=name] Reload configuration cache on proxy by its name,",
" comma-separated list can be used to pass multiple names.",
" All proxies will be reloaded if no names were specified.",
"",
" Log level control targets:",
" process-type All processes of specified type",
" (alerter, alert manager, availability manager, configuration syncer,",
" connector manager, connector worker, discovery manager,",
" escalator, ha manager, history poller, history syncer,",
" housekeeper, http poller, icmp pinger, ipmi manager,",
" ipmi poller, java poller, odbc poller, poller, agent poller,",
" http agent poller, snmp poller, preprocessing manager, proxy poller,",
" self-monitoring, service manager, snmp trapper,",
" task manager, timer, trapper, unreachable poller, vmware collector)",
" process-type,N Process type and number (e.g., poller,3)",
" pid Process identifier",
"",
" Profiling control targets:",
" process-type All processes of specified type",
" (alerter, alert manager, availability manager, configuration syncer,",
" connector manager, connector worker, discovery manager,",
" escalator, ha manager, history poller, history syncer,",
" housekeeper, http poller, icmp pinger, ipmi manager,",
" ipmi poller, java poller, odbc poller, poller, agent poller,",
" http agent poller, snmp poller, preprocessing manager, proxy poller,",
" self-monitoring, service manager, snmp trapper,",
" task manager, timer, trapper, unreachable poller, vmware collector)",
" process-type,N Process type and number (e.g., history syncer,1)",
" pid Process identifier",
" scope Profiling scope",
" (rwlock, mutex, processing) can be used with process-type",
" (e.g., history syncer,1,processing)",
"",
" -h --help Display this help message",
" -V --version Display version number",
"",
"Some configuration parameter default locations:",
" AlertScriptsPath \"" DEFAULT_ALERT_SCRIPTS_PATH "\"",
" ExternalScripts \"" DEFAULT_EXTERNAL_SCRIPTS_PATH "\"",
#ifdef HAVE_LIBCURL
" SSLCertLocation \"" DEFAULT_SSL_CERT_LOCATION "\"",
" SSLKeyLocation \"" DEFAULT_SSL_KEY_LOCATION "\"",
#endif
" LoadModulePath \"" DEFAULT_LOAD_MODULE_PATH "\"",
NULL /* end of text */
};
/* COMMAND LINE OPTIONS */
/* long options */
static struct zbx_option longopts[] =
{
{"config", 1, NULL, 'c'},
{"foreground", 0, NULL, 'f'},
{"runtime-control", 1, NULL, 'R'},
{"help", 0, NULL, 'h'},
{"version", 0, NULL, 'V'},
{NULL}
};
/* short options */
static char shortopts[] = "c:hVR:f";
/* end of COMMAND LINE OPTIONS */
int threads_num = 0;
pid_t *threads = NULL;
static int *threads_flags;
static int ha_status = ZBX_NODE_STATUS_UNKNOWN;
static int ha_failover_delay = ZBX_HA_DEFAULT_FAILOVER_DELAY;
static char *CONFIG_PID_FILE = NULL;
ZBX_GET_CONFIG_VAR(zbx_export_file_t *, problems_export, NULL)
ZBX_GET_CONFIG_VAR(zbx_export_file_t *, history_export, NULL)
ZBX_GET_CONFIG_VAR(zbx_export_file_t *, trends_export, NULL)
unsigned char program_type = ZBX_PROGRAM_TYPE_SERVER;
static unsigned char get_program_type(void)
{
return program_type;
}
int CONFIG_FORKS[ZBX_PROCESS_TYPE_COUNT] = {
5, /* ZBX_PROCESS_TYPE_POLLER */
1, /* ZBX_PROCESS_TYPE_UNREACHABLE */
0, /* ZBX_PROCESS_TYPE_IPMIPOLLER */
1, /* ZBX_PROCESS_TYPE_PINGER */
0, /* ZBX_PROCESS_TYPE_JAVAPOLLER */
1, /* ZBX_PROCESS_TYPE_HTTPPOLLER */
5, /* ZBX_PROCESS_TYPE_TRAPPER */
0, /* ZBX_PROCESS_TYPE_SNMPTRAPPER */
1, /* ZBX_PROCESS_TYPE_PROXYPOLLER */
1, /* ZBX_PROCESS_TYPE_ESCALATOR */
4, /* ZBX_PROCESS_TYPE_HISTSYNCER */
5, /* ZBX_PROCESS_TYPE_DISCOVERER */
3, /* ZBX_PROCESS_TYPE_ALERTER */
1, /* ZBX_PROCESS_TYPE_TIMER */
1, /* ZBX_PROCESS_TYPE_HOUSEKEEPER */
0, /* ZBX_PROCESS_TYPE_DATASENDER */
1, /* ZBX_PROCESS_TYPE_CONFSYNCER */
1, /* ZBX_PROCESS_TYPE_SELFMON */
0, /* ZBX_PROCESS_TYPE_VMWARE */
0, /* ZBX_PROCESS_TYPE_COLLECTOR */
0, /* ZBX_PROCESS_TYPE_LISTENER */
0, /* ZBX_PROCESS_TYPE_ACTIVE_CHECKS */
1, /* ZBX_PROCESS_TYPE_TASKMANAGER */
0, /* ZBX_PROCESS_TYPE_IPMIMANAGER */
1, /* ZBX_PROCESS_TYPE_ALERTMANAGER */
1, /* ZBX_PROCESS_TYPE_PREPROCMAN */
3, /* ZBX_PROCESS_TYPE_PREPROCESSOR */
1, /* ZBX_PROCESS_TYPE_LLDMANAGER */
2, /* ZBX_PROCESS_TYPE_LLDWORKER */
1, /* ZBX_PROCESS_TYPE_ALERTSYNCER */
5, /* ZBX_PROCESS_TYPE_HISTORYPOLLER */
1, /* ZBX_PROCESS_TYPE_AVAILMAN */
0, /* ZBX_PROCESS_TYPE_REPORTMANAGER */
0, /* ZBX_PROCESS_TYPE_REPORTWRITER */
1, /* ZBX_PROCESS_TYPE_SERVICEMAN */
1, /* ZBX_PROCESS_TYPE_TRIGGERHOUSEKEEPER */
1, /* ZBX_PROCESS_TYPE_ODBCPOLLER */
0, /* ZBX_PROCESS_TYPE_CONNECTORMANAGER */
0, /* ZBX_PROCESS_TYPE_CONNECTORWORKER */
0, /* ZBX_PROCESS_TYPE_DISCOVERYMANAGER */
1, /* ZBX_PROCESS_TYPE_HTTPAGENT_POLLER */
1, /* ZBX_PROCESS_TYPE_AGENT_POLLER */
1 /* ZBX_PROCESS_TYPE_SNMP_POLLER */
};
static int get_config_forks(unsigned char process_type)
{
if (ZBX_PROCESS_TYPE_COUNT > process_type)
return CONFIG_FORKS[process_type];
return 0;
}
ZBX_GET_CONFIG_VAR2(char *, const char *, zbx_config_source_ip, NULL)
ZBX_GET_CONFIG_VAR2(char *, const char *, zbx_config_tmpdir, NULL)
ZBX_GET_CONFIG_VAR2(char *, const char *, zbx_config_fping_location, NULL)
ZBX_GET_CONFIG_VAR2(char *, const char *, zbx_config_fping6_location, NULL)
ZBX_GET_CONFIG_VAR2(char *, const char *, zbx_config_alert_scripts_path, NULL)
ZBX_GET_CONFIG_VAR(int, zbx_config_timeout, 3)
int zbx_config_trapper_timeout = 300;
static int config_startup_time = 0;
static int config_unavailable_delay = 60;
static int config_histsyncer_frequency = 1;
static int zbx_config_listen_port = ZBX_DEFAULT_SERVER_PORT;
static char *zbx_config_listen_ip = NULL;
static char *config_server = NULL; /* not used in zabbix_server, required for linking */
int CONFIG_HOUSEKEEPING_FREQUENCY = 1;
int CONFIG_MAX_HOUSEKEEPER_DELETE = 5000; /* applies for every separate field value */
int CONFIG_CONFSYNCER_FREQUENCY = 10;
int CONFIG_PROBLEMHOUSEKEEPING_FREQUENCY = 60;
static int config_vmware_frequency = 60;
static int config_vmware_perf_frequency = 60;
static int config_vmware_timeout = 10;
static zbx_uint64_t config_conf_cache_size = 32 * ZBX_MEBIBYTE;
static zbx_uint64_t config_history_cache_size = 16 * ZBX_MEBIBYTE;
static zbx_uint64_t config_history_index_cache_size = 4 * ZBX_MEBIBYTE;
static zbx_uint64_t config_trends_cache_size = 4 * ZBX_MEBIBYTE;
static zbx_uint64_t CONFIG_TREND_FUNC_CACHE_SIZE = 4 * ZBX_MEBIBYTE;
static zbx_uint64_t config_value_cache_size = 8 * ZBX_MEBIBYTE;
static zbx_uint64_t config_vmware_cache_size = 8 * ZBX_MEBIBYTE;
static int config_unreachable_period = 45;
static int config_unreachable_delay = 15;
static int config_max_concurrent_checks_per_poller = 1000;
int CONFIG_LOG_LEVEL = LOG_LEVEL_WARNING;
char *CONFIG_EXTERNALSCRIPTS = NULL;
int CONFIG_ALLOW_UNSUPPORTED_DB_VERSIONS = 0;
ZBX_GET_CONFIG_VAR(int, zbx_config_enable_remote_commands, 0)
ZBX_GET_CONFIG_VAR(int, zbx_config_log_remote_commands, 0)
ZBX_GET_CONFIG_VAR(int, zbx_config_unsafe_user_parameters, 0)
char *CONFIG_SNMPTRAP_FILE = NULL;
char *CONFIG_JAVA_GATEWAY = NULL;
int CONFIG_JAVA_GATEWAY_PORT = ZBX_DEFAULT_GATEWAY_PORT;
char *CONFIG_SSH_KEY_LOCATION = NULL;
static int config_log_slow_queries = 0; /* ms; 0 - disable */
/* how often Zabbix server sends configuration data to passive proxy, in seconds */
static int config_proxyconfig_frequency = 10;
static int config_proxydata_frequency = 1; /* 1s */
char *CONFIG_LOAD_MODULE_PATH = NULL;
char **CONFIG_LOAD_MODULE = NULL;
char *CONFIG_USER = NULL;
/* web monitoring */
char *CONFIG_SSL_CA_LOCATION = NULL;
char *CONFIG_SSL_CERT_LOCATION = NULL;
char *CONFIG_SSL_KEY_LOCATION = NULL;
static zbx_config_tls_t *zbx_config_tls = NULL;
static zbx_config_export_t zbx_config_export = {NULL, NULL, ZBX_GIBIBYTE};
static zbx_config_vault_t zbx_config_vault = {NULL, NULL, NULL, NULL, NULL, NULL};
static zbx_config_dbhigh_t *zbx_config_dbhigh = NULL;
char *CONFIG_HA_NODE_NAME = NULL;
char *CONFIG_NODE_ADDRESS = NULL;
static char *CONFIG_SOCKET_PATH = NULL;
char *CONFIG_HISTORY_STORAGE_URL = NULL;
char *CONFIG_HISTORY_STORAGE_OPTS = NULL;
int CONFIG_HISTORY_STORAGE_PIPELINES = 0;
char *CONFIG_STATS_ALLOWED_IP = NULL;
int CONFIG_TCP_MAX_BACKLOG_SIZE = SOMAXCONN;
char *CONFIG_WEBSERVICE_URL = NULL;
int CONFIG_SERVICEMAN_SYNC_FREQUENCY = 60;
static char *config_file = NULL;
static int config_allow_root = 0;
static zbx_config_log_t log_file_cfg = {NULL, NULL, ZBX_LOG_TYPE_UNDEFINED, 1};
struct zbx_db_version_info_t db_version_info;
static const zbx_events_funcs_t events_cbs = {
.add_event_cb = zbx_add_event,
.process_events_cb = zbx_process_events,
.clean_events_cb = zbx_clean_events,
.reset_event_recovery_cb = zbx_reset_event_recovery,
.export_events_cb = zbx_export_events,
.events_update_itservices_cb = zbx_events_update_itservices
};
int get_process_info_by_thread(int local_server_num, unsigned char *local_process_type, int *local_process_num);
int get_process_info_by_thread(int local_server_num, unsigned char *local_process_type, int *local_process_num)
{
int server_count = 0;
if (0 == local_server_num)
{
/* fail if the main process is queried */
return FAIL;
}
else if (local_server_num <= (server_count += CONFIG_FORKS[ZBX_PROCESS_TYPE_SERVICEMAN]))
{
/* start service manager process and load configuration cache in parallel */
*local_process_type = ZBX_PROCESS_TYPE_SERVICEMAN;
*local_process_num = local_server_num - server_count + CONFIG_FORKS[ZBX_PROCESS_TYPE_SERVICEMAN];
}
else if (local_server_num <= (server_count += CONFIG_FORKS[ZBX_PROCESS_TYPE_CONFSYNCER]))
{
/* make initial configuration sync before worker processes are forked */
*local_process_type = ZBX_PROCESS_TYPE_CONFSYNCER;
*local_process_num = local_server_num - server_count + CONFIG_FORKS[ZBX_PROCESS_TYPE_CONFSYNCER];
}
else if (local_server_num <= (server_count += CONFIG_FORKS[ZBX_PROCESS_TYPE_ALERTMANAGER]))
{
/* data collection processes might utilize CPU fully, start manager and worker processes beforehand */
*local_process_type = ZBX_PROCESS_TYPE_ALERTMANAGER;
*local_process_num = local_server_num - server_count + CONFIG_FORKS[ZBX_PROCESS_TYPE_ALERTMANAGER];
}
else if (local_server_num <= (server_count += CONFIG_FORKS[ZBX_PROCESS_TYPE_ALERTER]))
{
*local_process_type = ZBX_PROCESS_TYPE_ALERTER;
*local_process_num = local_server_num - server_count + CONFIG_FORKS[ZBX_PROCESS_TYPE_ALERTER];
}
else if (local_server_num <= (server_count += CONFIG_FORKS[ZBX_PROCESS_TYPE_PREPROCMAN]))
{
*local_process_type = ZBX_PROCESS_TYPE_PREPROCMAN;
*local_process_num = local_server_num - server_count + CONFIG_FORKS[ZBX_PROCESS_TYPE_PREPROCMAN];
}
else if (local_server_num <= (server_count += CONFIG_FORKS[ZBX_PROCESS_TYPE_LLDMANAGER]))
{
*local_process_type = ZBX_PROCESS_TYPE_LLDMANAGER;
*local_process_num = local_server_num - server_count + CONFIG_FORKS[ZBX_PROCESS_TYPE_LLDMANAGER];
}
else if (local_server_num <= (server_count += CONFIG_FORKS[ZBX_PROCESS_TYPE_LLDWORKER]))
{
*local_process_type = ZBX_PROCESS_TYPE_LLDWORKER;
*local_process_num = local_server_num - server_count + CONFIG_FORKS[ZBX_PROCESS_TYPE_LLDWORKER];
}
else if (local_server_num <= (server_count += CONFIG_FORKS[ZBX_PROCESS_TYPE_IPMIMANAGER]))
{
*local_process_type = ZBX_PROCESS_TYPE_IPMIMANAGER;
*local_process_num = local_server_num - server_count + CONFIG_FORKS[ZBX_PROCESS_TYPE_IPMIMANAGER];
}
else if (local_server_num <= (server_count += CONFIG_FORKS[ZBX_PROCESS_TYPE_HOUSEKEEPER]))
{
*local_process_type = ZBX_PROCESS_TYPE_HOUSEKEEPER;
*local_process_num = local_server_num - server_count + CONFIG_FORKS[ZBX_PROCESS_TYPE_HOUSEKEEPER];
}
else if (local_server_num <= (server_count += CONFIG_FORKS[ZBX_PROCESS_TYPE_TIMER]))
{
*local_process_type = ZBX_PROCESS_TYPE_TIMER;
*local_process_num = local_server_num - server_count + CONFIG_FORKS[ZBX_PROCESS_TYPE_TIMER];
}
else if (local_server_num <= (server_count += CONFIG_FORKS[ZBX_PROCESS_TYPE_HTTPPOLLER]))
{
*local_process_type = ZBX_PROCESS_TYPE_HTTPPOLLER;
*local_process_num = local_server_num - server_count + CONFIG_FORKS[ZBX_PROCESS_TYPE_HTTPPOLLER];
}
else if (local_server_num <= (server_count += CONFIG_FORKS[ZBX_PROCESS_TYPE_DISCOVERYMANAGER]))
{
*local_process_type = ZBX_PROCESS_TYPE_DISCOVERYMANAGER;
*local_process_num = local_server_num - server_count + CONFIG_FORKS[ZBX_PROCESS_TYPE_DISCOVERYMANAGER];
}
else if (local_server_num <= (server_count += CONFIG_FORKS[ZBX_PROCESS_TYPE_HISTSYNCER]))
{
*local_process_type = ZBX_PROCESS_TYPE_HISTSYNCER;
*local_process_num = local_server_num - server_count + CONFIG_FORKS[ZBX_PROCESS_TYPE_HISTSYNCER];
}
else if (local_server_num <= (server_count += CONFIG_FORKS[ZBX_PROCESS_TYPE_ESCALATOR]))
{
*local_process_type = ZBX_PROCESS_TYPE_ESCALATOR;
*local_process_num = local_server_num - server_count + CONFIG_FORKS[ZBX_PROCESS_TYPE_ESCALATOR];
}
else if (local_server_num <= (server_count += CONFIG_FORKS[ZBX_PROCESS_TYPE_IPMIPOLLER]))
{
*local_process_type = ZBX_PROCESS_TYPE_IPMIPOLLER;
*local_process_num = local_server_num - server_count + CONFIG_FORKS[ZBX_PROCESS_TYPE_IPMIPOLLER];
}
else if (local_server_num <= (server_count += CONFIG_FORKS[ZBX_PROCESS_TYPE_JAVAPOLLER]))
{
*local_process_type = ZBX_PROCESS_TYPE_JAVAPOLLER;
*local_process_num = local_server_num - server_count + CONFIG_FORKS[ZBX_PROCESS_TYPE_JAVAPOLLER];
}
else if (local_server_num <= (server_count += CONFIG_FORKS[ZBX_PROCESS_TYPE_SNMPTRAPPER]))
{
*local_process_type = ZBX_PROCESS_TYPE_SNMPTRAPPER;
*local_process_num = local_server_num - server_count + CONFIG_FORKS[ZBX_PROCESS_TYPE_SNMPTRAPPER];
}
else if (local_server_num <= (server_count += CONFIG_FORKS[ZBX_PROCESS_TYPE_PROXYPOLLER]))
{
*local_process_type = ZBX_PROCESS_TYPE_PROXYPOLLER;
*local_process_num = local_server_num - server_count + CONFIG_FORKS[ZBX_PROCESS_TYPE_PROXYPOLLER];
}
else if (local_server_num <= (server_count += CONFIG_FORKS[ZBX_PROCESS_TYPE_SELFMON]))
{
*local_process_type = ZBX_PROCESS_TYPE_SELFMON;
*local_process_num = local_server_num - server_count + CONFIG_FORKS[ZBX_PROCESS_TYPE_SELFMON];
}
else if (local_server_num <= (server_count += CONFIG_FORKS[ZBX_PROCESS_TYPE_VMWARE]))
{
*local_process_type = ZBX_PROCESS_TYPE_VMWARE;
*local_process_num = local_server_num - server_count + CONFIG_FORKS[ZBX_PROCESS_TYPE_VMWARE];
}
else if (local_server_num <= (server_count += CONFIG_FORKS[ZBX_PROCESS_TYPE_TASKMANAGER]))
{
*local_process_type = ZBX_PROCESS_TYPE_TASKMANAGER;
*local_process_num = local_server_num - server_count + CONFIG_FORKS[ZBX_PROCESS_TYPE_TASKMANAGER];
}
else if (local_server_num <= (server_count += CONFIG_FORKS[ZBX_PROCESS_TYPE_POLLER]))
{
*local_process_type = ZBX_PROCESS_TYPE_POLLER;
*local_process_num = local_server_num - server_count + CONFIG_FORKS[ZBX_PROCESS_TYPE_POLLER];
}
else if (local_server_num <= (server_count += CONFIG_FORKS[ZBX_PROCESS_TYPE_UNREACHABLE]))
{
*local_process_type = ZBX_PROCESS_TYPE_UNREACHABLE;
*local_process_num = local_server_num - server_count + CONFIG_FORKS[ZBX_PROCESS_TYPE_UNREACHABLE];
}
else if (local_server_num <= (server_count += CONFIG_FORKS[ZBX_PROCESS_TYPE_TRAPPER]))
{
*local_process_type = ZBX_PROCESS_TYPE_TRAPPER;
*local_process_num = local_server_num - server_count + CONFIG_FORKS[ZBX_PROCESS_TYPE_TRAPPER];
}
else if (local_server_num <= (server_count += CONFIG_FORKS[ZBX_PROCESS_TYPE_PINGER]))
{
*local_process_type = ZBX_PROCESS_TYPE_PINGER;
*local_process_num = local_server_num - server_count + CONFIG_FORKS[ZBX_PROCESS_TYPE_PINGER];
}
else if (local_server_num <= (server_count += CONFIG_FORKS[ZBX_PROCESS_TYPE_ALERTSYNCER]))
{
*local_process_type = ZBX_PROCESS_TYPE_ALERTSYNCER;
*local_process_num = local_server_num - server_count + CONFIG_FORKS[ZBX_PROCESS_TYPE_ALERTSYNCER];
}
else if (local_server_num <= (server_count += CONFIG_FORKS[ZBX_PROCESS_TYPE_HISTORYPOLLER]))
{
*local_process_type = ZBX_PROCESS_TYPE_HISTORYPOLLER;
*local_process_num = local_server_num - server_count + CONFIG_FORKS[ZBX_PROCESS_TYPE_HISTORYPOLLER];
}
else if (local_server_num <= (server_count += CONFIG_FORKS[ZBX_PROCESS_TYPE_AVAILMAN]))
{
*local_process_type = ZBX_PROCESS_TYPE_AVAILMAN;
*local_process_num = local_server_num - server_count + CONFIG_FORKS[ZBX_PROCESS_TYPE_AVAILMAN];
}
else if (local_server_num <= (server_count += CONFIG_FORKS[ZBX_PROCESS_TYPE_REPORTMANAGER]))
{
*local_process_type = ZBX_PROCESS_TYPE_REPORTMANAGER;
*local_process_num = local_server_num - server_count + CONFIG_FORKS[ZBX_PROCESS_TYPE_REPORTMANAGER];
}
else if (local_server_num <= (server_count += CONFIG_FORKS[ZBX_PROCESS_TYPE_REPORTWRITER]))
{
*local_process_type = ZBX_PROCESS_TYPE_REPORTWRITER;
*local_process_num = local_server_num - server_count + CONFIG_FORKS[ZBX_PROCESS_TYPE_REPORTWRITER];
}
else if (local_server_num <= (server_count += CONFIG_FORKS[ZBX_PROCESS_TYPE_TRIGGERHOUSEKEEPER]))
{
/* start service manager process and load configuration cache in parallel */
*local_process_type = ZBX_PROCESS_TYPE_TRIGGERHOUSEKEEPER;
*local_process_num = local_server_num - server_count + CONFIG_FORKS[ZBX_PROCESS_TYPE_TRIGGERHOUSEKEEPER];
}
else if (local_server_num <= (server_count += CONFIG_FORKS[ZBX_PROCESS_TYPE_ODBCPOLLER]))
{
*local_process_type = ZBX_PROCESS_TYPE_ODBCPOLLER;
*local_process_num = local_server_num - server_count + CONFIG_FORKS[ZBX_PROCESS_TYPE_ODBCPOLLER];
}
else if (local_server_num <= (server_count += CONFIG_FORKS[ZBX_PROCESS_TYPE_CONNECTORMANAGER]))
{
*local_process_type = ZBX_PROCESS_TYPE_CONNECTORMANAGER;
*local_process_num = local_server_num - server_count + CONFIG_FORKS[ZBX_PROCESS_TYPE_CONNECTORMANAGER];
}
else if (local_server_num <= (server_count += CONFIG_FORKS[ZBX_PROCESS_TYPE_CONNECTORWORKER]))
{
*local_process_type = ZBX_PROCESS_TYPE_CONNECTORWORKER;
*local_process_num = local_server_num - server_count + CONFIG_FORKS[ZBX_PROCESS_TYPE_CONNECTORWORKER];
}
else if (local_server_num <= (server_count += CONFIG_FORKS[ZBX_PROCESS_TYPE_HTTPAGENT_POLLER]))
{
*local_process_type = ZBX_PROCESS_TYPE_HTTPAGENT_POLLER;
*local_process_num = local_server_num - server_count + CONFIG_FORKS[ZBX_PROCESS_TYPE_HTTPAGENT_POLLER];
}
else if (local_server_num <= (server_count += CONFIG_FORKS[ZBX_PROCESS_TYPE_AGENT_POLLER]))
{
*local_process_type = ZBX_PROCESS_TYPE_AGENT_POLLER;
*local_process_num = local_server_num - server_count + CONFIG_FORKS[ZBX_PROCESS_TYPE_AGENT_POLLER];
}
else if (local_server_num <= (server_count += CONFIG_FORKS[ZBX_PROCESS_TYPE_SNMP_POLLER]))
{
*local_process_type = ZBX_PROCESS_TYPE_SNMP_POLLER;
*local_process_num = local_server_num - server_count + CONFIG_FORKS[ZBX_PROCESS_TYPE_SNMP_POLLER];
}
else
return FAIL;
return SUCCEED;
}
/******************************************************************************
* *
* Purpose: set configuration defaults *
* *
******************************************************************************/
static void zbx_set_defaults(void)
{
config_startup_time = time(NULL);
if (NULL == zbx_config_dbhigh->config_dbhost)
zbx_config_dbhigh->config_dbhost = zbx_strdup(zbx_config_dbhigh->config_dbhost, "localhost");
if (NULL == CONFIG_SNMPTRAP_FILE)
CONFIG_SNMPTRAP_FILE = zbx_strdup(CONFIG_SNMPTRAP_FILE, "/tmp/zabbix_traps.tmp");
if (NULL == CONFIG_PID_FILE)
CONFIG_PID_FILE = zbx_strdup(CONFIG_PID_FILE, "/tmp/zabbix_server.pid");
if (NULL == zbx_config_alert_scripts_path)
zbx_config_alert_scripts_path = zbx_strdup(zbx_config_alert_scripts_path, DEFAULT_ALERT_SCRIPTS_PATH);
if (NULL == CONFIG_LOAD_MODULE_PATH)
CONFIG_LOAD_MODULE_PATH = zbx_strdup(CONFIG_LOAD_MODULE_PATH, DEFAULT_LOAD_MODULE_PATH);
if (NULL == zbx_config_tmpdir)
zbx_config_tmpdir = zbx_strdup(zbx_config_tmpdir, "/tmp");
if (NULL == zbx_config_fping_location)
zbx_config_fping_location = zbx_strdup(zbx_config_fping_location, "/usr/sbin/fping");
#ifdef HAVE_IPV6
if (NULL == zbx_config_fping6_location)
zbx_config_fping6_location = zbx_strdup(zbx_config_fping6_location, "/usr/sbin/fping6");
#endif
if (NULL == CONFIG_EXTERNALSCRIPTS)
CONFIG_EXTERNALSCRIPTS = zbx_strdup(CONFIG_EXTERNALSCRIPTS, DEFAULT_EXTERNAL_SCRIPTS_PATH);
#ifdef HAVE_LIBCURL
if (NULL == CONFIG_SSL_CERT_LOCATION)
CONFIG_SSL_CERT_LOCATION = zbx_strdup(CONFIG_SSL_CERT_LOCATION, DEFAULT_SSL_CERT_LOCATION);
if (NULL == CONFIG_SSL_KEY_LOCATION)
CONFIG_SSL_KEY_LOCATION = zbx_strdup(CONFIG_SSL_KEY_LOCATION, DEFAULT_SSL_KEY_LOCATION);
if (NULL == CONFIG_HISTORY_STORAGE_OPTS)
CONFIG_HISTORY_STORAGE_OPTS = zbx_strdup(CONFIG_HISTORY_STORAGE_OPTS, "uint,dbl,str,log,text");
#endif
#ifdef HAVE_SQLITE3
CONFIG_MAX_HOUSEKEEPER_DELETE = 0;
#endif
if (NULL == log_file_cfg.log_type_str)
log_file_cfg.log_type_str = zbx_strdup(log_file_cfg.log_type_str, ZBX_OPTION_LOGTYPE_FILE);
if (NULL == CONFIG_SOCKET_PATH)
CONFIG_SOCKET_PATH = zbx_strdup(CONFIG_SOCKET_PATH, "/tmp");
if (0 != CONFIG_FORKS[ZBX_PROCESS_TYPE_IPMIPOLLER])
CONFIG_FORKS[ZBX_PROCESS_TYPE_IPMIMANAGER] = 1;
if (NULL == zbx_config_vault.url)
zbx_config_vault.url = zbx_strdup(zbx_config_vault.url, "https://127.0.0.1:8200");
if (0 != CONFIG_FORKS[ZBX_PROCESS_TYPE_REPORTWRITER])
CONFIG_FORKS[ZBX_PROCESS_TYPE_REPORTMANAGER] = 1;
if (0 != CONFIG_FORKS[ZBX_PROCESS_TYPE_CONNECTORWORKER])
CONFIG_FORKS[ZBX_PROCESS_TYPE_CONNECTORMANAGER] = 1;
if (0 != CONFIG_FORKS[ZBX_PROCESS_TYPE_DISCOVERER])
CONFIG_FORKS[ZBX_PROCESS_TYPE_DISCOVERYMANAGER] = 1;
}
/******************************************************************************
* *
* Purpose: validate configuration parameters *
* *
******************************************************************************/
static void zbx_validate_config(ZBX_TASK_EX *task)
{
char *ch_error, *address = NULL;
int err = 0;
unsigned short port;
if (0 == CONFIG_FORKS[ZBX_PROCESS_TYPE_UNREACHABLE] &&
0 != CONFIG_FORKS[ZBX_PROCESS_TYPE_POLLER] + CONFIG_FORKS[ZBX_PROCESS_TYPE_JAVAPOLLER])
{
zabbix_log(LOG_LEVEL_CRIT, "\"StartPollersUnreachable\" configuration parameter must not be 0"
" if regular or Java pollers are started");
err = 1;
}
if ((NULL == CONFIG_JAVA_GATEWAY || '\0' == *CONFIG_JAVA_GATEWAY) &&
0 < CONFIG_FORKS[ZBX_PROCESS_TYPE_JAVAPOLLER])
{
zabbix_log(LOG_LEVEL_CRIT, "\"JavaGateway\" configuration parameter is not specified or empty");
err = 1;
}
if (0 != config_value_cache_size && 128 * ZBX_KIBIBYTE > config_value_cache_size)
{
zabbix_log(LOG_LEVEL_CRIT, "\"ValueCacheSize\" configuration parameter must be either 0"
" or greater than 128KB");
err = 1;
}
if (0 != CONFIG_TREND_FUNC_CACHE_SIZE && 128 * ZBX_KIBIBYTE > CONFIG_TREND_FUNC_CACHE_SIZE)
{
zabbix_log(LOG_LEVEL_CRIT, "\"TrendFunctionCacheSize\" configuration parameter must be either 0"
" or greater than 128KB");
err = 1;
}
if (NULL != zbx_config_source_ip && SUCCEED != zbx_is_supported_ip(zbx_config_source_ip))
{
zabbix_log(LOG_LEVEL_CRIT, "invalid \"SourceIP\" configuration parameter: '%s'", zbx_config_source_ip);
err = 1;
}
if (NULL != CONFIG_STATS_ALLOWED_IP && FAIL == zbx_validate_peer_list(CONFIG_STATS_ALLOWED_IP, &ch_error))
{
zabbix_log(LOG_LEVEL_CRIT, "invalid entry in \"StatsAllowedIP\" configuration parameter: %s", ch_error);
zbx_free(ch_error);
err = 1;
}
if (SUCCEED != zbx_validate_export_type(zbx_config_export.type, NULL))
{
zabbix_log(LOG_LEVEL_CRIT, "invalid \"ExportType\" configuration parameter: %s",
zbx_config_export.type);
err = 1;
}
if (NULL != CONFIG_NODE_ADDRESS &&
(FAIL == zbx_parse_serveractive_element(CONFIG_NODE_ADDRESS, &address, &port, 10051) ||
(FAIL == zbx_is_supported_ip(address) && FAIL == zbx_validate_hostname(address))))
{
zabbix_log(LOG_LEVEL_CRIT, "invalid \"NodeAddress\" configuration parameter: address \"%s\""
" is invalid", CONFIG_NODE_ADDRESS);
err = 1;
}
zbx_free(address);
#if !defined(HAVE_IPV6)
err |= (FAIL == check_cfg_feature_str("Fping6Location", zbx_config_fping6_location, "IPv6 support"));
#endif
#if !defined(HAVE_LIBCURL)
err |= (FAIL == check_cfg_feature_str("SSLCALocation", CONFIG_SSL_CA_LOCATION, "cURL library"));
err |= (FAIL == check_cfg_feature_str("SSLCertLocation", CONFIG_SSL_CERT_LOCATION, "cURL library"));
err |= (FAIL == check_cfg_feature_str("SSLKeyLocation", CONFIG_SSL_KEY_LOCATION, "cURL library"));
err |= (FAIL == check_cfg_feature_str("HistoryStorageURL", CONFIG_HISTORY_STORAGE_URL, "cURL library"));
err |= (FAIL == check_cfg_feature_str("HistoryStorageTypes", CONFIG_HISTORY_STORAGE_OPTS, "cURL library"));
err |= (FAIL == check_cfg_feature_int("HistoryStorageDateIndex", CONFIG_HISTORY_STORAGE_PIPELINES,
"cURL library"));
err |= (FAIL == check_cfg_feature_str("Vault", zbx_config_vault.name, "cURL library"));
err |= (FAIL == check_cfg_feature_str("VaultToken", zbx_config_vault.token, "cURL library"));
err |= (FAIL == check_cfg_feature_str("VaultDBPath", zbx_config_vault.db_path, "cURL library"));
err |= (FAIL == check_cfg_feature_int("StartReportWriters", CONFIG_FORKS[ZBX_PROCESS_TYPE_REPORTWRITER],
"cURL library"));
#endif
#if !defined(HAVE_LIBXML2) || !defined(HAVE_LIBCURL)
err |= (FAIL == check_cfg_feature_int("StartVMwareCollectors", CONFIG_FORKS[ZBX_PROCESS_TYPE_VMWARE],
"VMware support"));
/* parameters VMwareFrequency, VMwarePerfFrequency, VMwareCacheSize, VMwareTimeout are not checked here */
/* because they have non-zero default values */
#endif
if (SUCCEED != zbx_validate_log_parameters(task, &log_file_cfg))
err = 1;
#if !(defined(HAVE_GNUTLS) || defined(HAVE_OPENSSL))
err |= (FAIL == check_cfg_feature_str("TLSCAFile", zbx_config_tls->ca_file, "TLS support"));
err |= (FAIL == check_cfg_feature_str("TLSCRLFile", zbx_config_tls->crl_file, "TLS support"));
err |= (FAIL == check_cfg_feature_str("TLSCertFile", zbx_config_tls->cert_file, "TLS support"));
err |= (FAIL == check_cfg_feature_str("TLSKeyFile", zbx_config_tls->key_file, "TLS support"));
#endif
#if !(defined(HAVE_GNUTLS) || defined(HAVE_OPENSSL))
err |= (FAIL == check_cfg_feature_str("TLSCipherCert", zbx_config_tls->cipher_cert,
"GnuTLS or OpenSSL"));
err |= (FAIL == check_cfg_feature_str("TLSCipherPSK", zbx_config_tls->cipher_psk,
"GnuTLS or OpenSSL"));
err |= (FAIL == check_cfg_feature_str("TLSCipherAll", zbx_config_tls->cipher_all,
"GnuTLS or OpenSSL"));
#endif
#if !defined(HAVE_OPENSSL)
err |= (FAIL == check_cfg_feature_str("TLSCipherCert13", zbx_config_tls->cipher_cert13,
"OpenSSL 1.1.1 or newer"));
err |= (FAIL == check_cfg_feature_str("TLSCipherPSK13", zbx_config_tls->cipher_psk13,
"OpenSSL 1.1.1 or newer"));
err |= (FAIL == check_cfg_feature_str("TLSCipherAll13", zbx_config_tls->cipher_all13,
"OpenSSL 1.1.1 or newer"));
#endif
#if !defined(HAVE_OPENIPMI)
err |= (FAIL == check_cfg_feature_int("StartIPMIPollers", CONFIG_FORKS[ZBX_PROCESS_TYPE_IPMIPOLLER],
"IPMI support"));
#endif
err |= (FAIL == zbx_db_validate_config_features(program_type, zbx_config_dbhigh));
if (0 != CONFIG_FORKS[ZBX_PROCESS_TYPE_REPORTWRITER] && NULL == CONFIG_WEBSERVICE_URL)
{
zabbix_log(LOG_LEVEL_CRIT, "\"WebServiceURL\" configuration parameter must be set when "
" setting \"StartReportWriters\" configuration parameter");
}
if (0 != err)
exit(EXIT_FAILURE);
}
/******************************************************************************
* *
* Purpose: parse config file and update configuration parameters *
* *
* Comments: will terminate process if parsing fails *
* *
******************************************************************************/
static void zbx_load_config(ZBX_TASK_EX *task)
{
struct cfg_line cfg[] =
{
/* PARAMETER, VAR, TYPE,
MANDATORY, MIN, MAX */
{"StartDBSyncers", &CONFIG_FORKS[ZBX_PROCESS_TYPE_HISTSYNCER], TYPE_INT,
PARM_OPT, 1, 100},
{"StartDiscoverers", &CONFIG_FORKS[ZBX_PROCESS_TYPE_DISCOVERER], TYPE_INT,
PARM_OPT, 0, 1000},
{"StartHTTPPollers", &CONFIG_FORKS[ZBX_PROCESS_TYPE_HTTPPOLLER], TYPE_INT,
PARM_OPT, 0, 1000},
{"StartPingers", &CONFIG_FORKS[ZBX_PROCESS_TYPE_PINGER], TYPE_INT,
PARM_OPT, 0, 1000},
{"StartPollers", &CONFIG_FORKS[ZBX_PROCESS_TYPE_POLLER], TYPE_INT,
PARM_OPT, 0, 1000},
{"StartPollersUnreachable", &CONFIG_FORKS[ZBX_PROCESS_TYPE_UNREACHABLE], TYPE_INT,
PARM_OPT, 0, 1000},
{"StartIPMIPollers", &CONFIG_FORKS[ZBX_PROCESS_TYPE_IPMIPOLLER], TYPE_INT,
PARM_OPT, 0, 1000},
{"StartTimers", &CONFIG_FORKS[ZBX_PROCESS_TYPE_TIMER], TYPE_INT,
PARM_OPT, 1, 1000},
{"StartTrappers", &CONFIG_FORKS[ZBX_PROCESS_TYPE_TRAPPER], TYPE_INT,
PARM_OPT, 0, 1000},
{"StartJavaPollers", &CONFIG_FORKS[ZBX_PROCESS_TYPE_JAVAPOLLER], TYPE_INT,
PARM_OPT, 0, 1000},
{"StartEscalators", &CONFIG_FORKS[ZBX_PROCESS_TYPE_ESCALATOR], TYPE_INT,
PARM_OPT, 1, 100},
{"JavaGateway", &CONFIG_JAVA_GATEWAY, TYPE_STRING,
PARM_OPT, 0, 0},
{"JavaGatewayPort", &CONFIG_JAVA_GATEWAY_PORT, TYPE_INT,
PARM_OPT, 1024, 32767},
{"SNMPTrapperFile", &CONFIG_SNMPTRAP_FILE, TYPE_STRING,
PARM_OPT, 0, 0},
{"StartSNMPTrapper", &CONFIG_FORKS[ZBX_PROCESS_TYPE_SNMPTRAPPER], TYPE_INT,
PARM_OPT, 0, 1},
{"CacheSize", &config_conf_cache_size, TYPE_UINT64,
PARM_OPT, 128 * ZBX_KIBIBYTE, __UINT64_C(64) * ZBX_GIBIBYTE},
{"HistoryCacheSize", &config_history_cache_size, TYPE_UINT64,
PARM_OPT, 128 * ZBX_KIBIBYTE, __UINT64_C(2) * ZBX_GIBIBYTE},
{"HistoryIndexCacheSize", &config_history_index_cache_size, TYPE_UINT64,
PARM_OPT, 128 * ZBX_KIBIBYTE, __UINT64_C(2) * ZBX_GIBIBYTE},
{"TrendCacheSize", &config_trends_cache_size, TYPE_UINT64,
PARM_OPT, 128 * ZBX_KIBIBYTE, __UINT64_C(2) * ZBX_GIBIBYTE},
{"TrendFunctionCacheSize", &CONFIG_TREND_FUNC_CACHE_SIZE, TYPE_UINT64,
PARM_OPT, 0, __UINT64_C(2) * ZBX_GIBIBYTE},
{"ValueCacheSize", &config_value_cache_size, TYPE_UINT64,
PARM_OPT, 0, __UINT64_C(64) * ZBX_GIBIBYTE},
{"CacheUpdateFrequency", &CONFIG_CONFSYNCER_FREQUENCY, TYPE_INT,
PARM_OPT, 1, SEC_PER_HOUR},
{"HousekeepingFrequency", &CONFIG_HOUSEKEEPING_FREQUENCY, TYPE_INT,
PARM_OPT, 0, 24},
{"MaxHousekeeperDelete", &CONFIG_MAX_HOUSEKEEPER_DELETE, TYPE_INT,
PARM_OPT, 0, 1000000},
{"TmpDir", &zbx_config_tmpdir, TYPE_STRING,
PARM_OPT, 0, 0},
{"FpingLocation", &zbx_config_fping_location, TYPE_STRING,
PARM_OPT, 0, 0},
{"Fping6Location", &zbx_config_fping6_location, TYPE_STRING,
PARM_OPT, 0, 0},
{"Timeout", &zbx_config_timeout, TYPE_INT,
PARM_OPT, 1, 30},
{"TrapperTimeout", &zbx_config_trapper_timeout, TYPE_INT,
PARM_OPT, 1, 300},
{"UnreachablePeriod", &config_unreachable_period, TYPE_INT,
PARM_OPT, 1, SEC_PER_HOUR},
{"UnreachableDelay", &config_unreachable_delay, TYPE_INT,
PARM_OPT, 1, SEC_PER_HOUR},
{"UnavailableDelay", &config_unavailable_delay, TYPE_INT,
PARM_OPT, 1, SEC_PER_HOUR},
{"ListenIP", &zbx_config_listen_ip, TYPE_STRING_LIST,
PARM_OPT, 0, 0},
{"ListenPort", &zbx_config_listen_port, TYPE_INT,
PARM_OPT, 1024, 32767},
{"SourceIP", &zbx_config_source_ip, TYPE_STRING,
PARM_OPT, 0, 0},
{"DebugLevel", &CONFIG_LOG_LEVEL, TYPE_INT,
PARM_OPT, 0, 5},
{"PidFile", &CONFIG_PID_FILE, TYPE_STRING,
PARM_OPT, 0, 0},
{"LogType", &log_file_cfg.log_type_str, TYPE_STRING,
PARM_OPT, 0, 0},
{"LogFile", &log_file_cfg.log_file_name, TYPE_STRING,
PARM_OPT, 0, 0},
{"LogFileSize", &log_file_cfg.log_file_size, TYPE_INT,
PARM_OPT, 0, 1024},
{"AlertScriptsPath", &zbx_config_alert_scripts_path, TYPE_STRING,
PARM_OPT, 0, 0},
{"ExternalScripts", &CONFIG_EXTERNALSCRIPTS, TYPE_STRING,
PARM_OPT, 0, 0},
{"DBHost", &(zbx_config_dbhigh->config_dbhost), TYPE_STRING,
PARM_OPT, 0, 0},
{"DBName", &(zbx_config_dbhigh->config_dbname), TYPE_STRING,
PARM_MAND, 0, 0},
{"DBSchema", &(zbx_config_dbhigh->config_dbschema), TYPE_STRING,
PARM_OPT, 0, 0},
{"DBUser", &(zbx_config_dbhigh->config_dbuser), TYPE_STRING,
PARM_OPT, 0, 0},
{"DBPassword", &(zbx_config_dbhigh->config_dbpassword), TYPE_STRING,
PARM_OPT, 0, 0},
{"VaultToken", &(zbx_config_vault.token), TYPE_STRING,
PARM_OPT, 0, 0},
{"Vault", &(zbx_config_vault.name), TYPE_STRING,
PARM_OPT, 0, 0},
{"VaultTLSCertFile", &(zbx_config_vault.tls_cert_file), TYPE_STRING,
PARM_OPT, 0, 0},
{"VaultTLSKeyFile", &(zbx_config_vault.tls_key_file), TYPE_STRING,
PARM_OPT, 0, 0},
{"VaultURL", &(zbx_config_vault.url), TYPE_STRING,
PARM_OPT, 0, 0},
{"VaultDBPath", &(zbx_config_vault.db_path), TYPE_STRING,
PARM_OPT, 0, 0},
{"DBSocket", &(zbx_config_dbhigh->config_dbsocket), TYPE_STRING,
PARM_OPT, 0, 0},
{"DBPort", &(zbx_config_dbhigh->config_dbport), TYPE_INT,
PARM_OPT, 1024, 65535},
{"AllowUnsupportedDBVersions", &CONFIG_ALLOW_UNSUPPORTED_DB_VERSIONS, TYPE_INT,
PARM_OPT, 0, 1},
{"DBTLSConnect", &(zbx_config_dbhigh->config_db_tls_connect), TYPE_STRING,
PARM_OPT, 0, 0},
{"DBTLSCertFile", &(zbx_config_dbhigh->config_db_tls_cert_file), TYPE_STRING,
PARM_OPT, 0, 0},
{"DBTLSKeyFile", &(zbx_config_dbhigh->config_db_tls_key_file), TYPE_STRING,
PARM_OPT, 0, 0},
{"DBTLSCAFile", &(zbx_config_dbhigh->config_db_tls_ca_file), TYPE_STRING,
PARM_OPT, 0, 0},
{"DBTLSCipher", &(zbx_config_dbhigh->config_db_tls_cipher), TYPE_STRING,
PARM_OPT, 0, 0},
{"DBTLSCipher13", &(zbx_config_dbhigh->config_db_tls_cipher_13), TYPE_STRING,
PARM_OPT, 0, 0},
{"SSHKeyLocation", &CONFIG_SSH_KEY_LOCATION, TYPE_STRING,
PARM_OPT, 0, 0},
{"LogSlowQueries", &config_log_slow_queries, TYPE_INT,
PARM_OPT, 0, 3600000},
{"StartProxyPollers", &CONFIG_FORKS[ZBX_PROCESS_TYPE_PROXYPOLLER], TYPE_INT,
PARM_OPT, 0, 250},
{"ProxyConfigFrequency", &config_proxyconfig_frequency, TYPE_INT,
PARM_OPT, 1, SEC_PER_WEEK},
{"ProxyDataFrequency", &config_proxydata_frequency, TYPE_INT,
PARM_OPT, 1, SEC_PER_HOUR},
{"LoadModulePath", &CONFIG_LOAD_MODULE_PATH, TYPE_STRING,
PARM_OPT, 0, 0},
{"LoadModule", &CONFIG_LOAD_MODULE, TYPE_MULTISTRING,
PARM_OPT, 0, 0},
{"StartVMwareCollectors", &CONFIG_FORKS[ZBX_PROCESS_TYPE_VMWARE], TYPE_INT,
PARM_OPT, 0, 250},
{"VMwareFrequency", &config_vmware_frequency, TYPE_INT,
PARM_OPT, 10, SEC_PER_DAY},
{"VMwarePerfFrequency", &config_vmware_perf_frequency, TYPE_INT,
PARM_OPT, 10, SEC_PER_DAY},
{"VMwareCacheSize", &config_vmware_cache_size, TYPE_UINT64,
PARM_OPT, 256 * ZBX_KIBIBYTE, __UINT64_C(2) * ZBX_GIBIBYTE},
{"VMwareTimeout", &config_vmware_timeout, TYPE_INT,
PARM_OPT, 1, 300},
{"AllowRoot", &config_allow_root, TYPE_INT,
PARM_OPT, 0, 1},
{"User", &CONFIG_USER, TYPE_STRING,
PARM_OPT, 0, 0},
{"SSLCALocation", &CONFIG_SSL_CA_LOCATION, TYPE_STRING,
PARM_OPT, 0, 0},
{"SSLCertLocation", &CONFIG_SSL_CERT_LOCATION, TYPE_STRING,
PARM_OPT, 0, 0},
{"SSLKeyLocation", &CONFIG_SSL_KEY_LOCATION, TYPE_STRING,
PARM_OPT, 0, 0},
{"TLSCAFile", &(zbx_config_tls->ca_file), TYPE_STRING,
PARM_OPT, 0, 0},
{"TLSCRLFile", &(zbx_config_tls->crl_file), TYPE_STRING,
PARM_OPT, 0, 0},
{"TLSCertFile", &(zbx_config_tls->cert_file), TYPE_STRING,
PARM_OPT, 0, 0},
{"TLSKeyFile", &(zbx_config_tls->key_file), TYPE_STRING,
PARM_OPT, 0, 0},
{"TLSCipherCert13", &(zbx_config_tls->cipher_cert13), TYPE_STRING,
PARM_OPT, 0, 0},
{"TLSCipherCert", &(zbx_config_tls->cipher_cert), TYPE_STRING,
PARM_OPT, 0, 0},
{"TLSCipherPSK13", &(zbx_config_tls->cipher_psk13), TYPE_STRING,
PARM_OPT, 0, 0},
{"TLSCipherPSK", &(zbx_config_tls->cipher_psk), TYPE_STRING,
PARM_OPT, 0, 0},
{"TLSCipherAll13", &(zbx_config_tls->cipher_all13), TYPE_STRING,
PARM_OPT, 0, 0},
{"TLSCipherAll", &(zbx_config_tls->cipher_all), TYPE_STRING,
PARM_OPT, 0, 0},
{"SocketDir", &CONFIG_SOCKET_PATH, TYPE_STRING,
PARM_OPT, 0, 0},
{"StartAlerters", &CONFIG_FORKS[ZBX_PROCESS_TYPE_ALERTER], TYPE_INT,
PARM_OPT, 1, 100},
{"StartPreprocessors", &CONFIG_FORKS[ZBX_PROCESS_TYPE_PREPROCESSOR], TYPE_INT,
PARM_OPT, 1, 1000},
{"HistoryStorageURL", &CONFIG_HISTORY_STORAGE_URL, TYPE_STRING,
PARM_OPT, 0, 0},
{"HistoryStorageTypes", &CONFIG_HISTORY_STORAGE_OPTS, TYPE_STRING_LIST,
PARM_OPT, 0, 0},
{"HistoryStorageDateIndex", &CONFIG_HISTORY_STORAGE_PIPELINES, TYPE_INT,
PARM_OPT, 0, 1},
{"ExportDir", &(zbx_config_export.dir), TYPE_STRING,
PARM_OPT, 0, 0},
{"ExportType", &(zbx_config_export.type), TYPE_STRING_LIST,
PARM_OPT, 0, 0},
{"ExportFileSize", &(zbx_config_export.file_size), TYPE_UINT64,
PARM_OPT, ZBX_MEBIBYTE, ZBX_GIBIBYTE},
{"StartLLDProcessors", &CONFIG_FORKS[ZBX_PROCESS_TYPE_LLDWORKER], TYPE_INT,
PARM_OPT, 1, 100},
{"StatsAllowedIP", &CONFIG_STATS_ALLOWED_IP, TYPE_STRING_LIST,
PARM_OPT, 0, 0},
{"StartHistoryPollers", &CONFIG_FORKS[ZBX_PROCESS_TYPE_HISTORYPOLLER], TYPE_INT,
PARM_OPT, 0, 1000},
{"StartReportWriters", &CONFIG_FORKS[ZBX_PROCESS_TYPE_REPORTWRITER], TYPE_INT,
PARM_OPT, 0, 100},
{"WebServiceURL", &CONFIG_WEBSERVICE_URL, TYPE_STRING,
PARM_OPT, 0, 0},
{"ProblemHousekeepingFrequency", &CONFIG_PROBLEMHOUSEKEEPING_FREQUENCY, TYPE_INT,
PARM_OPT, 1, 3600},
{"ServiceManagerSyncFrequency", &CONFIG_SERVICEMAN_SYNC_FREQUENCY, TYPE_INT,
PARM_OPT, 1, 3600},
{"ListenBacklog", &CONFIG_TCP_MAX_BACKLOG_SIZE, TYPE_INT,
PARM_OPT, 0, INT_MAX},
{"HANodeName", &CONFIG_HA_NODE_NAME, TYPE_STRING,
PARM_OPT, 0, 0},
{"NodeAddress", &CONFIG_NODE_ADDRESS, TYPE_STRING,
PARM_OPT, 0, 0},
{"StartODBCPollers", &CONFIG_FORKS[ZBX_PROCESS_TYPE_ODBCPOLLER], TYPE_INT,
PARM_OPT, 0, 1000},
{"StartConnectors", &CONFIG_FORKS[ZBX_PROCESS_TYPE_CONNECTORWORKER], TYPE_INT,
PARM_OPT, 0, 1000},
{"StartHTTPAgentPollers", &CONFIG_FORKS[ZBX_PROCESS_TYPE_HTTPAGENT_POLLER], TYPE_INT,
PARM_OPT, 0, 1000},
{"StartAgentPollers", &CONFIG_FORKS[ZBX_PROCESS_TYPE_AGENT_POLLER], TYPE_INT,
PARM_OPT, 0, 1000},
{"StartSNMPPollers", &CONFIG_FORKS[ZBX_PROCESS_TYPE_SNMP_POLLER], TYPE_INT,
PARM_OPT, 0, 1000},
{"MaxConcurrentChecksPerPoller", &config_max_concurrent_checks_per_poller, TYPE_INT,
PARM_OPT, 1, 1000},
{NULL}
};
/* initialize multistrings */
zbx_strarr_init(&CONFIG_LOAD_MODULE);
parse_cfg_file(config_file, cfg, ZBX_CFG_FILE_REQUIRED, ZBX_CFG_STRICT, ZBX_CFG_EXIT_FAILURE);
zbx_set_defaults();
log_file_cfg.log_type = zbx_get_log_type(log_file_cfg.log_type_str);
zbx_validate_config(task);
#if defined(HAVE_MYSQL) || defined(HAVE_POSTGRESQL)
zbx_db_validate_config(zbx_config_dbhigh);
#endif
#if defined(HAVE_GNUTLS) || defined(HAVE_OPENSSL)
zbx_tls_validate_config(zbx_config_tls, CONFIG_FORKS[ZBX_PROCESS_TYPE_ACTIVE_CHECKS],
CONFIG_FORKS[ZBX_PROCESS_TYPE_LISTENER], get_program_type);
#endif
}
/******************************************************************************
* *
* Purpose: free configuration memory *
* *
******************************************************************************/
static void zbx_free_config(void)
{
zbx_strarr_free(&CONFIG_LOAD_MODULE);
}
/******************************************************************************
* *
* Purpose: callback function for providing PID file path to libraries *
* *
******************************************************************************/
static const char *get_pid_file_path(void)
{
return CONFIG_PID_FILE;
}
static void zbx_on_exit(int ret)
{
char *error = NULL;
zabbix_log(LOG_LEVEL_DEBUG, "zbx_on_exit() called with ret:%d", ret);
if (NULL != threads)
{
/* wait for all child processes to exit */
zbx_threads_kill_and_wait(threads, threads_flags, threads_num, ret);
zbx_free(threads);
zbx_free(threads_flags);
}
#ifdef HAVE_PTHREAD_PROCESS_SHARED
zbx_locks_disable();
#endif
if (SUCCEED != zbx_ha_stop(&error))
{
zabbix_log(LOG_LEVEL_CRIT, "cannot stop HA manager: %s", error);
zbx_free(error);
zbx_ha_kill();
}
if (ZBX_NODE_STATUS_ACTIVE == ha_status)
{
zbx_free_metrics();
zbx_ipc_service_free_env();
zbx_db_connect(ZBX_DB_CONNECT_EXIT);
zbx_free_database_cache(ZBX_SYNC_ALL, &events_cbs);
zbx_db_close();
zbx_free_configuration_cache();
/* free history value cache */
zbx_vc_destroy();
zbx_deinit_remote_commands_cache();
/* free vmware support */
zbx_vmware_destroy();
zbx_free_selfmon_collector();
}
zbx_uninitialize_events();
zbx_unload_modules();
zabbix_log(LOG_LEVEL_INFORMATION, "Zabbix Server stopped. Zabbix %s (revision %s).",
ZABBIX_VERSION, ZABBIX_REVISION);
zbx_close_log();
zbx_locks_destroy();
zbx_setproctitle_deinit();
if (SUCCEED == zbx_is_export_enabled(ZBX_FLAG_EXPTYPE_EVENTS))
zbx_export_deinit(problems_export);
if (SUCCEED == zbx_is_export_enabled(ZBX_FLAG_EXPTYPE_HISTORY))
zbx_export_deinit(history_export);
if (SUCCEED == zbx_is_export_enabled(ZBX_FLAG_EXPTYPE_TRENDS))
zbx_export_deinit(trends_export);
zbx_config_tls_free(zbx_config_tls);
zbx_config_dbhigh_free(zbx_config_dbhigh);
zbx_deinit_library_export();
exit(EXIT_SUCCESS);
}
/******************************************************************************
* *
* Purpose: executes server processes *
* *
******************************************************************************/
int main(int argc, char **argv)
{
static zbx_config_icmpping_t config_icmpping = {
get_zbx_config_source_ip,
get_zbx_config_fping_location,
get_zbx_config_fping6_location,
get_zbx_config_tmpdir};
ZBX_TASK_EX t = {ZBX_TASK_START};
char ch;
int opt_c = 0, opt_r = 0;
/* see description of 'optarg' in 'man 3 getopt' */
char *zbx_optarg = NULL;
/* see description of 'optind' in 'man 3 getopt' */
int zbx_optind = 0;
zbx_init_library_common(zbx_log_impl);
zbx_config_tls = zbx_config_tls_new();
zbx_config_dbhigh = zbx_config_dbhigh_new();
argv = zbx_setproctitle_init(argc, argv);
progname = get_program_name(argv[0]);
/* parse the command-line */
while ((char)EOF != (ch = (char)zbx_getopt_long(argc, argv, shortopts, longopts, NULL, &zbx_optarg,
&zbx_optind)))
{
switch (ch)
{
case 'c':
opt_c++;
if (NULL == config_file)
config_file = zbx_strdup(config_file, zbx_optarg);
break;
case 'R':
opt_r++;
t.opts = zbx_strdup(t.opts, zbx_optarg);
t.task = ZBX_TASK_RUNTIME_CONTROL;
break;
case 'h':
zbx_help();
exit(EXIT_SUCCESS);
break;
case 'V':
zbx_version();
#if defined(HAVE_GNUTLS) || defined(HAVE_OPENSSL)
printf("\n");
zbx_tls_version();
#endif
exit(EXIT_SUCCESS);
break;
case 'f':
t.flags |= ZBX_TASK_FLAG_FOREGROUND;
break;
default:
zbx_usage();
exit(EXIT_FAILURE);
break;
}
}
/* every option may be specified only once */
if (1 < opt_c || 1 < opt_r)
{
if (1 < opt_c)
zbx_error("option \"-c\" or \"--config\" specified multiple times");
if (1 < opt_r)
zbx_error("option \"-R\" or \"--runtime-control\" specified multiple times");
exit(EXIT_FAILURE);
}
/* Parameters which are not option values are invalid. The check relies on zbx_getopt_internal() which */
/* always permutes command line arguments regardless of POSIXLY_CORRECT environment variable. */
if (argc > zbx_optind)
{
int i;
for (i = zbx_optind; i < argc; i++)
zbx_error("invalid parameter \"%s\"", argv[i]);
exit(EXIT_FAILURE);
}
if (NULL == config_file)
config_file = zbx_strdup(NULL, DEFAULT_CONFIG_FILE);
/* required for simple checks */
zbx_init_metrics();
zbx_init_library_cfg(program_type, config_file);
zbx_load_config(&t);
zbx_init_library_dbupgrade(get_program_type);
zbx_init_library_dbwrap(zbx_lld_process_agent_result, zbx_preprocess_item_value, zbx_preprocessor_flush);
zbx_init_library_icmpping(&config_icmpping);
zbx_init_library_ipcservice(program_type);
zbx_init_library_stats(get_program_type);
zbx_init_library_sysinfo(get_zbx_config_timeout, get_zbx_config_enable_remote_commands,
get_zbx_config_log_remote_commands, get_zbx_config_unsafe_user_parameters,
get_zbx_config_source_ip, NULL, NULL, NULL, NULL);
zbx_init_library_dbhigh(zbx_config_dbhigh);
zbx_init_library_preproc(preproc_flush_value_server);
zbx_init_library_eval(zbx_dc_get_expressions_by_name);
if (ZBX_TASK_RUNTIME_CONTROL == t.task)
{
int ret;
char *error = NULL;
if (FAIL == zbx_ipc_service_init_env(CONFIG_SOCKET_PATH, &error))
{
zbx_error("cannot initialize IPC services: %s", error);
zbx_free(error);
exit(EXIT_FAILURE);
}
if (SUCCEED != (ret = rtc_process(t.opts, zbx_config_timeout, &error)))
{
zbx_error("Cannot perform runtime control command: %s", error);
zbx_free(error);
}
exit(SUCCEED == ret ? EXIT_SUCCESS : EXIT_FAILURE);
}
return zbx_daemon_start(config_allow_root, CONFIG_USER, t.flags, get_pid_file_path, zbx_on_exit,
log_file_cfg.log_type, log_file_cfg.log_file_name, NULL);
}
static void zbx_check_db(void)
{
struct zbx_json db_version_json;
int result = SUCCEED;
memset(&db_version_info, 0, sizeof(db_version_info));
result = zbx_db_check_version_info(&db_version_info, CONFIG_ALLOW_UNSUPPORTED_DB_VERSIONS, program_type);
if (SUCCEED == result)
zbx_db_extract_dbextension_info(&db_version_info);
#ifdef HAVE_POSTGRESQL
if (SUCCEED == result)
result = zbx_db_check_tsdb_capabilities(&db_version_info, CONFIG_ALLOW_UNSUPPORTED_DB_VERSIONS);
#endif
if (SUCCEED == result)
{
zbx_ha_mode_t ha_mode;
if (NULL != CONFIG_HA_NODE_NAME && '\0' != *CONFIG_HA_NODE_NAME)
ha_mode = ZBX_HA_MODE_CLUSTER;
else
ha_mode = ZBX_HA_MODE_STANDALONE;
if (SUCCEED != (result = zbx_db_check_version_and_upgrade(ha_mode)))
goto out;
}
zbx_db_connect(ZBX_DB_CONNECT_NORMAL);
if (SUCCEED == zbx_db_field_exists("config", "dbversion_status"))
{
zbx_json_initarray(&db_version_json, ZBX_JSON_STAT_BUF_LEN);
if (SUCCEED == zbx_db_pk_exists("history"))
{
db_version_info.history_pk = 1;
}
else
{
db_version_info.history_pk = 0;
zabbix_log(LOG_LEVEL_WARNING, "database could be upgraded to use primary keys in history tables");
}
#if defined(HAVE_POSTGRESQL)
if (0 == zbx_strcmp_null(db_version_info.extension, ZBX_DB_EXTENSION_TIMESCALEDB))
zbx_tsdb_extract_compressed_chunk_flags(&db_version_info);
#endif
#ifdef HAVE_ORACLE
zbx_json_init(&db_version_info.tables_json, ZBX_JSON_STAT_BUF_LEN);
zbx_db_table_prepare("items", &db_version_info.tables_json);
zbx_db_table_prepare("item_preproc", &db_version_info.tables_json);
zbx_json_close(&db_version_info.tables_json);
#endif
zbx_db_version_json_create(&db_version_json, &db_version_info);
if (SUCCEED == result)
zbx_history_check_version(&db_version_json, &result);
zbx_db_flush_version_requirements(db_version_json.buffer);
zbx_json_free(&db_version_json);
}
zbx_db_close();
out:
if (SUCCEED != result)
{
zabbix_log(LOG_LEVEL_INFORMATION, "Zabbix Server stopped. Zabbix %s (revision %s).",
ZABBIX_VERSION, ZABBIX_REVISION);
zbx_db_version_info_clear(&db_version_info);
exit(EXIT_FAILURE);
}
}
/******************************************************************************
* *
* Purpose: save Zabbix server status to database *
* *
******************************************************************************/
static void zbx_db_save_server_status(void)
{
struct zbx_json json;
zbx_json_init(&json, ZBX_JSON_STAT_BUF_LEN);
zbx_json_addstring(&json, "version", ZABBIX_VERSION, ZBX_JSON_TYPE_STRING);
zbx_json_close(&json);
zbx_db_connect(ZBX_DB_CONNECT_NORMAL);
if (ZBX_DB_OK > zbx_db_execute("update config set server_status='%s'", json.buffer))
zabbix_log(LOG_LEVEL_WARNING, "Failed to save server status to database");
zbx_db_close();
zbx_json_free(&json);
}
/******************************************************************************
* *
* Purpose: initialize shared resources and start processes *
* *
******************************************************************************/
static int server_startup(zbx_socket_t *listen_sock, int *ha_stat, int *ha_failover, zbx_rtc_t *rtc)
{
int i, ret = SUCCEED;
char *error = NULL;
zbx_config_comms_args_t config_comms = {zbx_config_tls, NULL, config_server, 0, zbx_config_timeout,
zbx_config_trapper_timeout, zbx_config_source_ip};
zbx_thread_args_t thread_args;
zbx_thread_poller_args poller_args = {&config_comms, get_program_type, ZBX_NO_POLLER,
config_startup_time, config_unavailable_delay,
config_unreachable_period, config_unreachable_delay,
config_max_concurrent_checks_per_poller};
zbx_thread_trapper_args trapper_args = {&config_comms, &zbx_config_vault, get_program_type,
&events_cbs, listen_sock, config_startup_time,
config_proxydata_frequency};
zbx_thread_escalator_args escalator_args = {zbx_config_tls, get_program_type, zbx_config_timeout,
zbx_config_trapper_timeout, zbx_config_source_ip};
zbx_thread_proxy_poller_args proxy_poller_args = {zbx_config_tls, &zbx_config_vault, get_program_type,
zbx_config_timeout, zbx_config_trapper_timeout,
zbx_config_source_ip, &events_cbs, config_proxyconfig_frequency,
config_proxydata_frequency};
zbx_thread_httppoller_args httppoller_args = {zbx_config_source_ip};
zbx_thread_discoverer_args discoverer_args = {zbx_config_tls, get_program_type, zbx_config_timeout,
CONFIG_FORKS[ZBX_PROCESS_TYPE_DISCOVERER], zbx_config_source_ip,
&events_cbs};
zbx_thread_report_writer_args report_writer_args = {zbx_config_tls->ca_file, zbx_config_tls->cert_file,
zbx_config_tls->key_file, zbx_config_source_ip};
zbx_thread_housekeeper_args housekeeper_args = {&db_version_info, zbx_config_timeout};
zbx_thread_server_trigger_housekeeper_args trigger_housekeeper_args = {zbx_config_timeout};
zbx_thread_taskmanager_args taskmanager_args = {zbx_config_timeout, config_startup_time};
zbx_thread_dbconfig_args dbconfig_args = {&zbx_config_vault, zbx_config_timeout,
config_proxyconfig_frequency, config_proxydata_frequency,
zbx_config_source_ip};
zbx_thread_alerter_args alerter_args = {zbx_config_source_ip};
zbx_thread_pinger_args pinger_args = {zbx_config_timeout};
zbx_thread_pp_manager_args preproc_man_args = {
.workers_num = CONFIG_FORKS[ZBX_PROCESS_TYPE_PREPROCESSOR],
.config_timeout = zbx_config_timeout,
zbx_config_source_ip};
#ifdef HAVE_OPENIPMI
zbx_thread_ipmi_manager_args ipmi_manager_args = {zbx_config_timeout, config_unavailable_delay,
config_unreachable_period, config_unreachable_delay};
#endif
zbx_thread_connector_worker_args connector_worker_args = {zbx_config_source_ip};
zbx_thread_alert_syncer_args alert_syncer_args = {CONFIG_CONFSYNCER_FREQUENCY};
zbx_thread_alert_manager_args alert_manager_args = {get_config_forks, get_zbx_config_alert_scripts_path,
zbx_config_dbhigh, zbx_config_source_ip};
zbx_thread_lld_manager_args lld_manager_args = {get_config_forks};
zbx_thread_connector_manager_args connector_manager_args = {get_config_forks};
zbx_thread_dbsyncer_args dbsyncer_args = {&events_cbs, config_histsyncer_frequency};
zbx_thread_vmware_args vmware_args = {zbx_config_source_ip, config_vmware_frequency,
config_vmware_perf_frequency, config_vmware_timeout};
if (SUCCEED != zbx_init_database_cache(get_program_type, zbx_sync_server_history, config_history_cache_size,
config_history_index_cache_size, &config_trends_cache_size, &error))
{
zabbix_log(LOG_LEVEL_CRIT, "cannot initialize database cache: %s", error);
zbx_free(error);
return FAIL;
}
if (SUCCEED != zbx_init_configuration_cache(get_program_type, get_config_forks, config_conf_cache_size, &error))
{
zabbix_log(LOG_LEVEL_CRIT, "cannot initialize configuration cache: %s", error);
zbx_free(error);
return FAIL;
}
if (SUCCEED != zbx_init_selfmon_collector(get_config_forks, &error))
{
zabbix_log(LOG_LEVEL_CRIT, "cannot initialize self-monitoring: %s", error);
zbx_free(error);
return FAIL;
}
if (0 != CONFIG_FORKS[ZBX_PROCESS_TYPE_VMWARE] && SUCCEED != zbx_vmware_init(&config_vmware_cache_size, &error))
{
zabbix_log(LOG_LEVEL_CRIT, "cannot initialize VMware cache: %s", error);
zbx_free(error);
return FAIL;
}
if (SUCCEED != zbx_vc_init(config_value_cache_size, &error))
{
zabbix_log(LOG_LEVEL_CRIT, "cannot initialize history value cache: %s", error);
zbx_free(error);
return FAIL;
}
if (SUCCEED != zbx_tfc_init(CONFIG_TREND_FUNC_CACHE_SIZE, &error))
{
zabbix_log(LOG_LEVEL_CRIT, "cannot initialize trends read cache: %s", error);
zbx_free(error);
return FAIL;
}
if (0 != CONFIG_FORKS[ZBX_PROCESS_TYPE_CONNECTORMANAGER])
zbx_connector_init();
if (0 != CONFIG_FORKS[ZBX_PROCESS_TYPE_DISCOVERYMANAGER])
zbx_discoverer_init();
if (0 != CONFIG_FORKS[ZBX_PROCESS_TYPE_TRAPPER])
{
if (FAIL == zbx_tcp_listen(listen_sock, zbx_config_listen_ip, (unsigned short)zbx_config_listen_port,
zbx_config_timeout))
{
zabbix_log(LOG_LEVEL_CRIT, "listener failed: %s", zbx_socket_strerror());
return FAIL;
}
if (SUCCEED != zbx_init_remote_commands_cache(&error))
{
zabbix_log(LOG_LEVEL_CRIT, "cannot initialize commands cache: %s", error);
zbx_free(error);
return FAIL;
}
}
for (threads_num = 0, i = 0; i < ZBX_PROCESS_TYPE_COUNT; i++)
{
/* skip threaded components */
switch (i)
{
case ZBX_PROCESS_TYPE_PREPROCESSOR:
case ZBX_PROCESS_TYPE_DISCOVERER:
continue;
}
threads_num += CONFIG_FORKS[i];
}
threads = (pid_t *)zbx_calloc(threads, (size_t)threads_num, sizeof(pid_t));
threads_flags = (int *)zbx_calloc(threads_flags, (size_t)threads_num, sizeof(int));
zabbix_log(LOG_LEVEL_INFORMATION, "server #0 started [main process]");
zbx_set_exit_on_terminate();
thread_args.info.program_type = program_type;
for (i = 0; i < threads_num; i++)
{
if (FAIL == get_process_info_by_thread(i + 1, &thread_args.info.process_type,
&thread_args.info.process_num))
{
THIS_SHOULD_NEVER_HAPPEN;
exit(EXIT_FAILURE);
}
thread_args.info.server_num = i + 1;
thread_args.args = NULL;
switch (thread_args.info.process_type)
{
case ZBX_PROCESS_TYPE_SERVICEMAN:
threads_flags[i] = ZBX_THREAD_PRIORITY_SECOND;
zbx_thread_start(service_manager_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_CONFSYNCER:
zbx_vc_enable();
thread_args.args = &dbconfig_args;
zbx_thread_start(dbconfig_thread, &thread_args, &threads[i]);
if (FAIL == (ret = zbx_rtc_wait_config_sync(rtc, rtc_process_request_ex_server)))
goto out;
if (SUCCEED != (ret = zbx_ha_get_status(CONFIG_HA_NODE_NAME, ha_stat, ha_failover,
&error)))
{
zabbix_log(LOG_LEVEL_CRIT, "cannot obtain HA status: %s", error);
zbx_free(error);
goto out;
}
if (ZBX_NODE_STATUS_ACTIVE != *ha_stat)
goto out;
zbx_db_connect(ZBX_DB_CONNECT_NORMAL);
if (SUCCEED != zbx_check_postinit_tasks(&error))
{
zabbix_log(LOG_LEVEL_CRIT, "cannot complete post initialization tasks: %s",
error);
zbx_free(error);
zbx_db_close();
ret = FAIL;
goto out;
}
/* update maintenance states */
zbx_dc_update_maintenances();
zbx_db_close();
break;
case ZBX_PROCESS_TYPE_POLLER:
poller_args.poller_type = ZBX_POLLER_TYPE_NORMAL;
thread_args.args = &poller_args;
zbx_thread_start(poller_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_UNREACHABLE:
poller_args.poller_type = ZBX_POLLER_TYPE_UNREACHABLE;
thread_args.args = &poller_args;
zbx_thread_start(poller_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_TRAPPER:
thread_args.args = &trapper_args;
zbx_thread_start(trapper_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_PINGER:
thread_args.args = &pinger_args;
zbx_thread_start(pinger_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_ALERTER:
thread_args.args = &alerter_args;
zbx_thread_start(zbx_alerter_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_HOUSEKEEPER:
thread_args.args = &housekeeper_args;
zbx_thread_start(housekeeper_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_TIMER:
zbx_thread_start(timer_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_HTTPPOLLER:
thread_args.args = &httppoller_args;
zbx_thread_start(httppoller_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_DISCOVERYMANAGER:
threads_flags[i] = ZBX_THREAD_PRIORITY_FIRST;
thread_args.args = &discoverer_args;
zbx_thread_start(discoverer_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_HISTSYNCER:
threads_flags[i] = ZBX_THREAD_PRIORITY_FIRST;
thread_args.args = &dbsyncer_args;
zbx_thread_start(zbx_dbsyncer_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_ESCALATOR:
thread_args.args = &escalator_args;
zbx_thread_start(escalator_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_JAVAPOLLER:
poller_args.poller_type = ZBX_POLLER_TYPE_JAVA;
thread_args.args = &poller_args;
zbx_thread_start(poller_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_SNMPTRAPPER:
zbx_thread_start(snmptrapper_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_PROXYPOLLER:
thread_args.args = &proxy_poller_args;
zbx_thread_start(proxypoller_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_SELFMON:
zbx_thread_start(zbx_selfmon_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_VMWARE:
thread_args.args = &vmware_args;
zbx_thread_start(vmware_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_TASKMANAGER:
thread_args.args = &taskmanager_args;
zbx_thread_start(taskmanager_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_PREPROCMAN:
threads_flags[i] = ZBX_THREAD_PRIORITY_FIRST;
thread_args.args = &preproc_man_args;
zbx_thread_start(zbx_pp_manager_thread, &thread_args, &threads[i]);
break;
#ifdef HAVE_OPENIPMI
case ZBX_PROCESS_TYPE_IPMIMANAGER:
thread_args.args = &ipmi_manager_args;
zbx_thread_start(ipmi_manager_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_IPMIPOLLER:
zbx_thread_start(ipmi_poller_thread, &thread_args, &threads[i]);
break;
#endif
case ZBX_PROCESS_TYPE_ALERTMANAGER:
thread_args.args = &alert_manager_args;
zbx_thread_start(zbx_alert_manager_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_LLDMANAGER:
thread_args.args = &lld_manager_args;
zbx_thread_start(lld_manager_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_LLDWORKER:
zbx_thread_start(lld_worker_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_ALERTSYNCER:
thread_args.args = &alert_syncer_args;
zbx_thread_start(zbx_alert_syncer_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_HISTORYPOLLER:
poller_args.poller_type = ZBX_POLLER_TYPE_HISTORY;
thread_args.args = &poller_args;
zbx_thread_start(poller_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_AVAILMAN:
threads_flags[i] = ZBX_THREAD_PRIORITY_FIRST;
zbx_thread_start(zbx_availability_manager_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_CONNECTORMANAGER:
threads_flags[i] = ZBX_THREAD_PRIORITY_SECOND;
thread_args.args = &connector_manager_args;
zbx_thread_start(connector_manager_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_CONNECTORWORKER:
thread_args.args = &connector_worker_args;
zbx_thread_start(connector_worker_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_REPORTMANAGER:
zbx_thread_start(report_manager_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_REPORTWRITER:
thread_args.args = &report_writer_args;
zbx_thread_start(report_writer_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_TRIGGERHOUSEKEEPER:
thread_args.args = &trigger_housekeeper_args;
zbx_thread_start(trigger_housekeeper_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_ODBCPOLLER:
poller_args.poller_type = ZBX_POLLER_TYPE_ODBC;
thread_args.args = &poller_args;
zbx_thread_start(poller_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_HTTPAGENT_POLLER:
poller_args.poller_type = ZBX_POLLER_TYPE_HTTPAGENT;
thread_args.args = &poller_args;
zbx_thread_start(async_poller_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_AGENT_POLLER:
poller_args.poller_type = ZBX_POLLER_TYPE_AGENT;
thread_args.args = &poller_args;
zbx_thread_start(async_poller_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_SNMP_POLLER:
poller_args.poller_type = ZBX_POLLER_TYPE_SNMP;
thread_args.args = &poller_args;
zbx_thread_start(async_poller_thread, &thread_args, &threads[i]);
break;
}
}
/* startup/postinit tasks can take a long time, update status */
if (SUCCEED != (ret = zbx_ha_get_status(CONFIG_HA_NODE_NAME, ha_stat, ha_failover, &error)))
{
zabbix_log(LOG_LEVEL_CRIT, "cannot obtain HA status: %s", error);
zbx_free(error);
}
out:
zbx_unset_exit_on_terminate();
return ret;
}
static int server_restart_logger(char **error)
{
zbx_close_log();
zbx_locks_destroy();
if (SUCCEED != zbx_locks_create(error))
return FAIL;
if (SUCCEED != zbx_open_log(&log_file_cfg, CONFIG_LOG_LEVEL, error))
return FAIL;
return SUCCEED;
}
/******************************************************************************
* *
* Purpose: terminate processes and destroy shared resources *
* *
******************************************************************************/
static void server_teardown(zbx_rtc_t *rtc, zbx_socket_t *listen_sock)
{
int i;
char *error = NULL;
zbx_ha_config_t *ha_config = zbx_malloc(NULL, sizeof(zbx_ha_config_t));
/* hard kill all zabbix processes, no logging or other */
zbx_unset_child_signal_handler();
rtc_reset(rtc);
#ifdef HAVE_PTHREAD_PROCESS_SHARED
/* Disable locks so main process doesn't hang on logging if a process was */
/* killed during logging. The locks will be re-enabled after logger is reinitialized */
zbx_locks_disable();
#endif
zbx_ha_kill();
for (i = 0; i < threads_num; i++)
{
if (!threads[i])
continue;
kill(threads[i], SIGKILL);
}
for (i = 0; i < threads_num; i++)
{
if (!threads[i])
continue;
zbx_thread_wait(threads[i]);
}
zbx_free(threads);
zbx_free(threads_flags);
zbx_set_child_signal_handler();
/* restart logger because it could have been stuck in lock */
if (SUCCEED != server_restart_logger(&error))
{
zbx_error("cannot restart logger: %s", error);
zbx_free(error);
exit(EXIT_FAILURE);
}
if (NULL != listen_sock)
zbx_tcp_unlisten(listen_sock);
/* destroy shared caches */
zbx_tfc_destroy();
zbx_vc_destroy();
zbx_vmware_destroy();
zbx_free_selfmon_collector();
zbx_free_configuration_cache();
zbx_free_database_cache(ZBX_SYNC_NONE, &events_cbs);
zbx_deinit_remote_commands_cache();
#ifdef HAVE_PTHREAD_PROCESS_SHARED
zbx_locks_enable();
#endif
ha_config->ha_node_name = CONFIG_HA_NODE_NAME;
ha_config->ha_node_address = CONFIG_NODE_ADDRESS;
ha_config->default_node_ip = zbx_config_listen_ip;
ha_config->default_node_port = zbx_config_listen_port;
ha_config->ha_status = ZBX_NODE_STATUS_STANDBY;
if (SUCCEED != zbx_ha_start(rtc, ha_config, &error))
{
zabbix_log(LOG_LEVEL_CRIT, "cannot start HA manager: %s", error);
zbx_free(error);
exit(EXIT_FAILURE);
}
}
/******************************************************************************
* *
* Purpose: restart HA manager when working in standby mode *
* *
******************************************************************************/
static void server_restart_ha(zbx_rtc_t *rtc)
{
char *error = NULL;
zbx_ha_config_t *ha_config = zbx_malloc(NULL, sizeof(zbx_ha_config_t));
zbx_unset_child_signal_handler();
#ifdef HAVE_PTHREAD_PROCESS_SHARED
/* Disable locks so main process doesn't hang on logging if a process was */
/* killed during logging. The locks will be re-enabled after logger is reinitialized */
zbx_locks_disable();
#endif
zbx_ha_kill();
zbx_set_child_signal_handler();
/* restart logger because it could have been stuck in lock */
if (SUCCEED != server_restart_logger(&error))
{
zbx_error("cannot restart logger: %s", error);
zbx_free(error);
exit(EXIT_FAILURE);
}
#ifdef HAVE_PTHREAD_PROCESS_SHARED
zbx_locks_enable();
#endif
ha_config->ha_node_name = CONFIG_HA_NODE_NAME;
ha_config->ha_node_address = CONFIG_NODE_ADDRESS;
ha_config->default_node_ip = zbx_config_listen_ip;
ha_config->default_node_port = zbx_config_listen_port;
ha_config->ha_status = ZBX_NODE_STATUS_STANDBY;
if (SUCCEED != zbx_ha_start(rtc, ha_config, &error))
{
zabbix_log(LOG_LEVEL_CRIT, "cannot start HA manager: %s", error);
zbx_free(error);
exit(EXIT_FAILURE);
}
ha_status = ZBX_NODE_STATUS_STANDBY;
}
int MAIN_ZABBIX_ENTRY(int flags)
{
char *error = NULL;
int i, db_type, ret, ha_status_old;
zbx_socket_t listen_sock;
time_t standby_warning_time;
zbx_rtc_t rtc;
zbx_timespec_t rtc_timeout = {1, 0};
zbx_ha_config_t *ha_config = zbx_malloc(NULL, sizeof(zbx_ha_config_t));
if (0 != (flags & ZBX_TASK_FLAG_FOREGROUND))
{
printf("Starting Zabbix Server. Zabbix %s (revision %s).\nPress Ctrl+C to exit.\n\n",
ZABBIX_VERSION, ZABBIX_REVISION);
}
if (FAIL == zbx_ipc_service_init_env(CONFIG_SOCKET_PATH, &error))
{
zbx_error("cannot initialize IPC services: %s", error);
zbx_free(error);
exit(EXIT_FAILURE);
}
if (SUCCEED != zbx_locks_create(&error))
{
zbx_error("cannot create locks: %s", error);
zbx_free(error);
exit(EXIT_FAILURE);
}
if (SUCCEED != zbx_open_log(&log_file_cfg, CONFIG_LOG_LEVEL, &error))
{
zbx_error("cannot open log: %s", error);
zbx_free(error);
exit(EXIT_FAILURE);
}
zbx_init_library_ha();
#ifdef HAVE_NETSNMP
# define SNMP_FEATURE_STATUS "YES"
#else
# define SNMP_FEATURE_STATUS " NO"
#endif
#ifdef HAVE_OPENIPMI
# define IPMI_FEATURE_STATUS "YES"
#else
# define IPMI_FEATURE_STATUS " NO"
#endif
#ifdef HAVE_LIBCURL
# define LIBCURL_FEATURE_STATUS "YES"
#else
# define LIBCURL_FEATURE_STATUS " NO"
#endif
#if defined(HAVE_LIBCURL) && defined(HAVE_LIBXML2)
# define VMWARE_FEATURE_STATUS "YES"
#else
# define VMWARE_FEATURE_STATUS " NO"
#endif
#ifdef HAVE_SMTP_AUTHENTICATION
# define SMTP_AUTH_FEATURE_STATUS "YES"
#else
# define SMTP_AUTH_FEATURE_STATUS " NO"
#endif
#ifdef HAVE_UNIXODBC
# define ODBC_FEATURE_STATUS "YES"
#else
# define ODBC_FEATURE_STATUS " NO"
#endif
#if defined(HAVE_SSH2) || defined(HAVE_SSH)
# define SSH_FEATURE_STATUS "YES"
#else
# define SSH_FEATURE_STATUS " NO"
#endif
#ifdef HAVE_IPV6
# define IPV6_FEATURE_STATUS "YES"
#else
# define IPV6_FEATURE_STATUS " NO"
#endif
#if defined(HAVE_GNUTLS) || defined(HAVE_OPENSSL)
# define TLS_FEATURE_STATUS "YES"
#else
# define TLS_FEATURE_STATUS " NO"
#endif
zabbix_log(LOG_LEVEL_INFORMATION, "Starting Zabbix Server. Zabbix %s (revision %s).",
ZABBIX_VERSION, ZABBIX_REVISION);
zabbix_log(LOG_LEVEL_INFORMATION, "****** Enabled features ******");
zabbix_log(LOG_LEVEL_INFORMATION, "SNMP monitoring: " SNMP_FEATURE_STATUS);
zabbix_log(LOG_LEVEL_INFORMATION, "IPMI monitoring: " IPMI_FEATURE_STATUS);
zabbix_log(LOG_LEVEL_INFORMATION, "Web monitoring: " LIBCURL_FEATURE_STATUS);
zabbix_log(LOG_LEVEL_INFORMATION, "VMware monitoring: " VMWARE_FEATURE_STATUS);
zabbix_log(LOG_LEVEL_INFORMATION, "SMTP authentication: " SMTP_AUTH_FEATURE_STATUS);
zabbix_log(LOG_LEVEL_INFORMATION, "ODBC: " ODBC_FEATURE_STATUS);
zabbix_log(LOG_LEVEL_INFORMATION, "SSH support: " SSH_FEATURE_STATUS);
zabbix_log(LOG_LEVEL_INFORMATION, "IPv6 support: " IPV6_FEATURE_STATUS);
zabbix_log(LOG_LEVEL_INFORMATION, "TLS support: " TLS_FEATURE_STATUS);
zabbix_log(LOG_LEVEL_INFORMATION, "******************************");
zabbix_log(LOG_LEVEL_INFORMATION, "using configuration file: %s", config_file);
#ifdef HAVE_ORACLE
zabbix_log(LOG_LEVEL_INFORMATION, "Support for Oracle DB is deprecated since Zabbix 7.0 and will be removed in "
"future versions");
#endif
#if defined(HAVE_GNUTLS) || defined(HAVE_OPENSSL)
if (SUCCEED != zbx_coredump_disable())
{
zabbix_log(LOG_LEVEL_CRIT, "cannot disable core dump, exiting...");
exit(EXIT_FAILURE);
}
#endif
zbx_initialize_events();
if (FAIL == zbx_load_modules(CONFIG_LOAD_MODULE_PATH, CONFIG_LOAD_MODULE, zbx_config_timeout, 1))
{
zabbix_log(LOG_LEVEL_CRIT, "loading modules failed, exiting...");
exit(EXIT_FAILURE);
}
zbx_free_config();
if (SUCCEED != zbx_rtc_init(&rtc, &error))
{
zabbix_log(LOG_LEVEL_CRIT, "cannot initialize runtime control service: %s", error);
zbx_free(error);
exit(EXIT_FAILURE);
}
if (SUCCEED != zbx_vault_token_from_env_get(&(zbx_config_vault.token), &error))
{
zabbix_log(LOG_LEVEL_CRIT, "cannot initialize vault token: %s", error);
zbx_free(error);
exit(EXIT_FAILURE);
}
if (SUCCEED != zbx_vault_init(&zbx_config_vault, &error))
{
zabbix_log(LOG_LEVEL_CRIT, "cannot initialize vault: %s", error);
zbx_free(error);
exit(EXIT_FAILURE);
}
if (SUCCEED != zbx_vault_db_credentials_get(&zbx_config_vault, &zbx_config_dbhigh->config_dbuser,
&zbx_config_dbhigh->config_dbpassword, zbx_config_source_ip, &error))
{
zabbix_log(LOG_LEVEL_CRIT, "cannot initialize database credentials from vault: %s", error);
zbx_free(error);
exit(EXIT_FAILURE);
}
if (SUCCEED != zbx_db_init(zbx_dc_get_nextid, config_log_slow_queries, &error))
{
zabbix_log(LOG_LEVEL_CRIT, "cannot initialize database: %s", error);
zbx_free(error);
exit(EXIT_FAILURE);
}
if (ZBX_DB_UNKNOWN == (db_type = zbx_db_get_database_type()))
{
zabbix_log(LOG_LEVEL_CRIT, "cannot use database \"%s\": database is not a Zabbix database",
zbx_config_dbhigh->config_dbname);
exit(EXIT_FAILURE);
}
else if (ZBX_DB_SERVER != db_type)
{
zabbix_log(LOG_LEVEL_CRIT, "cannot use database \"%s\": its \"users\" table is empty (is this the"
" Zabbix proxy database?)", zbx_config_dbhigh->config_dbname);
exit(EXIT_FAILURE);
}
if (SUCCEED != zbx_init_database_cache(get_program_type, zbx_sync_server_history, config_history_cache_size,
config_history_index_cache_size, &config_trends_cache_size, &error))
{
zabbix_log(LOG_LEVEL_CRIT, "cannot initialize database cache: %s", error);
zbx_free(error);
exit(EXIT_FAILURE);
}
zbx_db_check_character_set();
zbx_check_db();
zbx_db_save_server_status();
if (SUCCEED != zbx_db_check_instanceid())
exit(EXIT_FAILURE);
if (FAIL == zbx_init_library_export(&zbx_config_export, &error))
{
zabbix_log(LOG_LEVEL_CRIT, "cannot initialize export: %s", error);
zbx_free(error);
exit(EXIT_FAILURE);
}
if (SUCCEED != zbx_history_init(&error))
{
zabbix_log(LOG_LEVEL_CRIT, "cannot initialize history storage: %s", error);
zbx_free(error);
exit(EXIT_FAILURE);
}
zbx_unset_exit_on_terminate();
ha_config->ha_node_name = CONFIG_HA_NODE_NAME;
ha_config->ha_node_address = CONFIG_NODE_ADDRESS;
ha_config->default_node_ip = zbx_config_listen_ip;
ha_config->default_node_port = zbx_config_listen_port;
ha_config->ha_status = ZBX_NODE_STATUS_UNKNOWN;
if (SUCCEED != zbx_ha_start(&rtc, ha_config, &error))
{
zabbix_log(LOG_LEVEL_CRIT, "cannot start HA manager: %s", error);
zbx_free(error);
exit(EXIT_FAILURE);
}
if (SUCCEED == zbx_is_export_enabled(ZBX_FLAG_EXPTYPE_EVENTS))
problems_export = zbx_problems_export_init(get_problems_export, "main-process", 0);
if (SUCCEED == zbx_is_export_enabled(ZBX_FLAG_EXPTYPE_HISTORY))
history_export = zbx_history_export_init(get_history_export, "main-process", 0);
if (SUCCEED == zbx_is_export_enabled(ZBX_FLAG_EXPTYPE_TRENDS))
trends_export = zbx_trends_export_init(get_trends_export, "main-process", 0);
if (SUCCEED != zbx_ha_get_status(CONFIG_HA_NODE_NAME, &ha_status, &ha_failover_delay, &error))
{
zabbix_log(LOG_LEVEL_CRIT, "cannot start server: %s", error);
zbx_free(error);
zbx_set_exiting_with_fail();
}
zbx_register_stats_data_func(zbx_preproc_stats_ext_get, NULL);
zbx_register_stats_data_func(zbx_discovery_stats_ext_get, NULL);
zbx_register_stats_data_func(zbx_server_stats_ext_get, NULL);
zbx_register_stats_ext_func(zbx_vmware_stats_ext_get, NULL);
zbx_register_stats_procinfo_func(ZBX_PROCESS_TYPE_PREPROCESSOR, zbx_preprocessor_get_worker_info);
zbx_register_stats_procinfo_func(ZBX_PROCESS_TYPE_DISCOVERER, zbx_discovery_get_worker_info);
zbx_diag_init(diag_add_section_info);
if (ZBX_NODE_STATUS_ACTIVE == ha_status)
{
if (SUCCEED != server_startup(&listen_sock, &ha_status, &ha_failover_delay, &rtc))
{
zbx_set_exiting_with_fail();
ha_status = ZBX_NODE_STATUS_ERROR;
}
else
{
/* check if the HA status has not been changed during startup process */
if (ZBX_NODE_STATUS_ACTIVE != ha_status)
server_teardown(&rtc, &listen_sock);
}
}
if (ZBX_NODE_STATUS_ERROR != ha_status)
{
if (NULL != CONFIG_HA_NODE_NAME && '\0' != *CONFIG_HA_NODE_NAME)
{
zabbix_log(LOG_LEVEL_INFORMATION, "\"%s\" node started in \"%s\" mode", CONFIG_HA_NODE_NAME,
zbx_ha_status_str(ha_status));
}
}
ha_status_old = ha_status;
if (ZBX_NODE_STATUS_STANDBY == ha_status)
standby_warning_time = time(NULL);
while (ZBX_IS_RUNNING())
{
time_t now;
zbx_ipc_client_t *client;
zbx_ipc_message_t *message;
(void)zbx_ipc_service_recv(&rtc.service, &rtc_timeout, &client, &message);
if (NULL == message || ZBX_IPC_SERVICE_HA_RTC_FIRST <= message->code)
{
if (SUCCEED != zbx_ha_dispatch_message(CONFIG_HA_NODE_NAME, message, &ha_status,
&ha_failover_delay, &error))
{
zabbix_log(LOG_LEVEL_CRIT, "HA manager error: %s", error);
zbx_set_exiting_with_fail();
}
}
else
{
if (ZBX_NODE_STATUS_ACTIVE == ha_status || ZBX_RTC_LOG_LEVEL_DECREASE == message->code ||
ZBX_RTC_LOG_LEVEL_INCREASE == message->code)
{
zbx_rtc_dispatch(&rtc, client, message, rtc_process_request_ex_server);
}
else
{
const char *result = "Runtime commands can be executed only in active mode\n";
zbx_ipc_client_send(client, message->code, (const unsigned char *)result,
(zbx_uint32_t)strlen(result) + 1);
}
}
zbx_ipc_message_free(message);
if (NULL != client)
zbx_ipc_client_release(client);
if (ZBX_NODE_STATUS_ERROR == ha_status)
break;
if (ZBX_NODE_STATUS_HATIMEOUT == ha_status)
{
zabbix_log(LOG_LEVEL_INFORMATION, "HA manager is not responding in standby mode, "
"restarting it.");
server_restart_ha(&rtc);
continue;
}
now = time(NULL);
if (ZBX_NODE_STATUS_UNKNOWN != ha_status && ha_status != ha_status_old)
{
ha_status_old = ha_status;
zabbix_log(LOG_LEVEL_INFORMATION, "\"%s\" node switched to \"%s\" mode",
ZBX_NULL2EMPTY_STR(CONFIG_HA_NODE_NAME), zbx_ha_status_str(ha_status));
switch (ha_status)
{
case ZBX_NODE_STATUS_ACTIVE:
if (SUCCEED != server_startup(&listen_sock, &ha_status, &ha_failover_delay, &rtc))
{
zbx_set_exiting_with_fail();
ha_status = ZBX_NODE_STATUS_ERROR;
continue;
}
if (ZBX_NODE_STATUS_ACTIVE != ha_status)
{
server_teardown(&rtc, &listen_sock);
ha_status_old = ha_status;
}
break;
case ZBX_NODE_STATUS_STANDBY:
server_teardown(&rtc, &listen_sock);
standby_warning_time = now;
break;
default:
zabbix_log(LOG_LEVEL_CRIT, "unsupported status %d received from HA manager",
ha_status);
zbx_set_exiting_with_fail();
continue;
}
}
if (ZBX_NODE_STATUS_STANDBY == ha_status)
{
if (standby_warning_time + SEC_PER_HOUR <= now)
{
zabbix_log(LOG_LEVEL_INFORMATION, "\"%s\" node is working in \"%s\" mode",
CONFIG_HA_NODE_NAME, zbx_ha_status_str(ha_status));
standby_warning_time = now;
}
}
if (0 < (ret = waitpid((pid_t)-1, &i, WNOHANG)))
{
zbx_set_exiting_with_fail();
break;
}
if (-1 == ret && EINTR != errno)
{
zabbix_log(LOG_LEVEL_ERR, "failed to wait on child processes: %s", zbx_strerror(errno));
zbx_set_exiting_with_fail();
break;
}
}
zbx_log_exit_signal();
if (SUCCEED == ZBX_EXIT_STATUS())
zbx_rtc_shutdown_subs(&rtc);
if (SUCCEED != zbx_ha_pause(&error))
{
zabbix_log(LOG_LEVEL_CRIT, "cannot pause HA manager: %s", error);
zbx_free(error);
}
zbx_db_version_info_clear(&db_version_info);
zbx_on_exit(ZBX_EXIT_STATUS());
return SUCCEED;
}
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