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util.c
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/*
ex: set tabstop=4 shiftwidth=4 autoindent:
+-------------------------------------------------------------------------+
| Copyright (C) 2004-2023 The Cacti Group |
| |
| This program 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 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 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, write to the Free Software |
| Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301, USA |
| |
+-------------------------------------------------------------------------+
| spine: a backend data gatherer for cacti |
+-------------------------------------------------------------------------+
| This poller would not have been possible without: |
| - Larry Adams (current development and enhancements) |
| - Rivo Nurges (rrd support, mysql poller cache, misc functions) |
| - RTG (core poller code, pthreads, snmp, autoconf examples) |
| - Brady Alleman/Doug Warner (threading ideas, implimentation details) |
+-------------------------------------------------------------------------+
| - Cacti - http://www.cacti.net/ |
+-------------------------------------------------------------------------+
*/
#include "common.h"
#include "spine.h"
#include "regex.h"
static int nopts = 0;
/*! Override Options Structure
*
* When we fetch a setting from the database, we allow the user to override
* it from the command line. These overrides are provided with the --option
* parameter and stored in this table: we *use* them when the config code
* reads from the DB.
*
* It's not an error to set an option which is unknown, but maybe should be.
*
*/
static struct {
const char *opt;
const char *val;
} opttable[256];
/*! \fn void set_option(const char *option, const char *value)
* \brief Override spine setting from the Cacti settings table.
*
* Called from the command-line processing code, this provides a value
* to replace any DB-stored option settings.
*
*/
void set_option(const char *option, const char *value) {
opttable[nopts ].opt = option;
opttable[nopts++].val = value;
}
/*! \fn static const char *getsetting(MYSQL *psql, int mode, const char *setting)
* \brief Returns a character pointer to a Cacti setting.
*
* Given a pointer to a database and the name of a setting, return the string
* which represents the value from the settings table. Return NULL if we
* can't find a setting for whatever reason.
*
* NOTE: if the user has provided one of these options on the command line,
* it's intercepted here and returned, overriding the database setting.
*
* \return the database option setting
*
*/
static const char *getsetting(MYSQL *psql, int mode, const char *setting) {
char qstring[256];
char *retval;
MYSQL_RES *result;
MYSQL_ROW mysql_row;
int i;
assert(psql != 0);
assert(setting != 0);
/* see if it's in the option table */
for (i=0; i<nopts; i++) {
if (STRIMATCH(setting, opttable[i].opt)) {
/* FOUND IT! */
retval = strdup(opttable[i].val);
return retval;
}
}
sprintf(qstring, "SELECT value FROM settings WHERE name = '%s'", setting);
result = db_query(psql, mode, qstring);
if (result != 0) {
if (mysql_num_rows(result) > 0) {
mysql_row = mysql_fetch_row(result);
if (mysql_row != NULL) {
retval = strdup(mysql_row[0]);
db_free_result(result);
return retval;
}else{
return 0;
}
}else{
db_free_result(result);
return 0;
}
}else{
return 0;
}
}
/*! \fn int putsetting(MYSQL *psql, const char *setting, const char *value)
* \brief Set's a specific Cacti setting.
*
* Given a pointer to a database and the name of a setting, and value of that setting
* set the Cacti setting in the database to the value.
*
* \return true for sucessful or false for failed
*
*/
int putsetting(MYSQL *psql, int mode, const char *mysetting, const char *myvalue) {
char qstring[512];
int result = 0;
assert(psql != 0);
assert(mysetting != 0);
assert(myvalue != 0);
if (set.dbonupdate == 0) {
sprintf(qstring, "INSERT INTO settings (name, value) "
"VALUES ('%s', '%s') "
"ON DUPLICATE KEY UPDATE value = VALUES(value)", mysetting, myvalue);
} else {
sprintf(qstring, "INSERT INTO settings (name, value) "
"VALUES ('%s', '%s') AS rs "
"ON DUPLICATE KEY UPDATE value = rs.value", mysetting, myvalue);
}
result = db_insert(psql, mode, qstring);
if (result == 0) {
return TRUE;
} else {
return FALSE;
}
}
/*! \fn static const char *getpsetting(MYSQL *psql, const char *setting)
* \brief Returns a character pointer to a Cacti poller setting.
*
* Given a pointer to a database and the name of a setting,
* return the string which represents the value from the poller table.
* Return NULL if we can't find a setting for whatever reason.
*
* NOTE: if the user has provided one of these options on the command line,
* it's intercepted here and returned, overriding the database setting.
*
* \return the database option setting
*
*/
static const char *getpsetting(MYSQL *psql, int mode, const char *setting) {
char qstring[256];
char *retval;
MYSQL_RES *result;
MYSQL_ROW mysql_row;
int i;
assert(psql != 0);
assert(setting != 0);
/* see if it's in the option table */
for (i=0; i<nopts; i++) {
if (STRIMATCH(setting, opttable[i].opt)) {
/* FOUND IT! */
retval = strdup(opttable[i].val);
return retval;
}
}
sprintf(qstring, "SELECT %s FROM poller WHERE id = '%d'", setting, set.poller_id);
result = db_query(psql, mode, qstring);
if (result != 0) {
if (mysql_num_rows(result) > 0) {
mysql_row = mysql_fetch_row(result);
if (mysql_row != NULL) {
retval = strdup(mysql_row[0]);
db_free_result(result);
return retval;
} else {
return 0;
}
} else {
db_free_result(result);
return 0;
}
} else {
return 0;
}
}
/*! \fn static int getboolsetting(MYSQL *psql, int mode, const char *setting, int dflt)
* \brief Obtains a boolean option from the database.
*
* Given the parameters for fetching a setting from the database,
* do so for a *Boolean* value. We parse the usual set of words
* meaning true/false, and if we don't get a value, or if we don't
* understand what we fetched, we use the default value provided.
*
* \return boolean TRUE or FALSE based upon database setting or the DEFAULT if not found
*/
static int getboolsetting(MYSQL *psql, int mode, const char *setting, int dflt) {
const char *rc;
assert(psql != 0);
assert(setting != 0);
rc = getsetting(psql, mode, setting);
if (rc == 0) return dflt;
if (STRIMATCH(rc, "on" ) ||
STRIMATCH(rc, "yes" ) ||
STRIMATCH(rc, "true") ||
STRIMATCH(rc, "1" ) ) {
free((char *)rc);
return TRUE;
}
if (STRIMATCH(rc, "off" ) ||
STRIMATCH(rc, "no" ) ||
STRIMATCH(rc, "false") ||
STRIMATCH(rc, "0" ) ) {
free((char *)rc);
return FALSE;
}
/* doesn't really match one of our keywords: what to do? */
free((char *)rc);
return dflt;
}
/*! \fn static const char *getglobalvariable(MYSQL *psql, const char *setting)
* \brief Returns a character pointer to a MySQL global variable setting.
*
* Given a pointer to a database and the name of a global variable, return the string
* which represents that value from the settings table. Return NULL if we
* can't find a variable for whatever reason.
*
* \return the database global variable setting
*
*/
static const char *getglobalvariable(MYSQL *psql, int mode, const char *setting) {
char qstring[256];
char *retval;
MYSQL_RES *result;
MYSQL_ROW mysql_row;
int i;
assert(psql != 0);
assert(setting != 0);
/* see if it's in the option table */
for (i=0; i<nopts; i++) {
if (STRIMATCH(setting, opttable[i].opt)) {
/* FOUND IT! */
return opttable[i].val;
}
}
sprintf(qstring, "SHOW GLOBAL VARIABLES LIKE '%s'", setting);
result = db_query(psql, mode, qstring);
if (result != 0) {
if (mysql_num_rows(result) > 0) {
mysql_row = mysql_fetch_row(result);
if (mysql_row != NULL) {
retval = strdup(mysql_row[1]);
db_free_result(result);
return retval;
} else {
return 0;
}
} else {
db_free_result(result);
return 0;
}
} else {
return 0;
}
}
/*! \fn int is_debug_device(int device_id)
* \brief Determine if a device is a debug device
*
*/
int is_debug_device(int device_id) {
extern int *debug_devices;
int i = 0;
while (i < 100) {
if (debug_devices[i] == '\0') break;
if (debug_devices[i] == device_id) {
return TRUE;
}
i++;
}
return FALSE;
}
/*! \fn void read_config_options(void)
* \brief Reads the default Spine runtime parameters from the database and set's the global array
*
* load default values from the database for poller processing
*
*/
void read_config_options() {
MYSQL mysql;
MYSQL mysqlr;
MYSQL_RES *result;
int num_rows;
int mode;
char web_root[BUFSIZE];
char sqlbuf[SMALL_BUFSIZE], *sqlp = sqlbuf;
const char *res;
char spine_capabilities[SMALL_BUFSIZE];
/* publish spine snmpv3 capabilities to the database */
memset(spine_capabilities, 0, sizeof(spine_capabilities));
db_connect(LOCAL, &mysql);
if (set.poller_id > 1 && set.mode == REMOTE_ONLINE) {
db_connect(REMOTE, &mysqlr);
mode = REMOTE;
} else {
mode = LOCAL;
}
/* get the mysql server version */
if ((res = getglobalvariable(&mysql, LOCAL, "version")) != 0) {
snprintf(set.dbversion, SMALL_BUFSIZE, "%s", res);
free((char *)res);
}
if (STRIMATCH(set.dbversion, "mariadb")) {
set.dbonupdate = 0;
} else if (strpos(set.dbversion, "8.") == 0) {
set.dbonupdate = 1;
} else {
set.dbonupdate = 0;
}
/* get the cacti version from the database */
set.cacti_version = get_cacti_version(&mysql, LOCAL);
/* log the path_webroot variable */
SPINE_LOG_DEBUG(("DEBUG: The binary Cacti version is %s", set.cacti_version));
/* get logging level from database - overrides spine.conf */
if ((res = getsetting(&mysql, LOCAL, "log_verbosity")) != 0) {
const int n = atoi(res);
free((char *)res);
if (n != 0) set.log_level = n;
}
/* determine script server path operation and default log file processing */
if ((res = getsetting(&mysql, LOCAL, "path_webroot")) != 0) {
snprintf(set.path_php_server, SMALL_BUFSIZE, "%s/script_server.php", res);
snprintf(web_root, BUFSIZE, "%s", res);
free((char *)res);
}
/* determine logfile path */
if ((res = getsetting(&mysql, LOCAL, "path_cactilog")) != 0) {
if (strlen(res) != 0) {
snprintf(set.path_logfile, DBL_BUFSIZE, "%s", res);
} else {
if (strlen(web_root) != 0) {
snprintf(set.path_logfile, DBL_BUFSIZE, "%s/log/cacti.log", web_root);
} else {
set.path_logfile[0] ='\0';
}
}
free((char *)res);
} else {
snprintf(set.path_logfile, DBL_BUFSIZE, "%s/log/cacti.log", web_root);
}
/* get log separator */
if ((res = getsetting(&mysql, LOCAL, "default_datechar")) != 0) {
set.log_datetime_separator = atoi(res);
free((char *)res);
if (set.log_datetime_separator < GDC_MIN || set.log_datetime_separator > GDC_MAX) {
set.log_datetime_separator = GDC_DEFAULT;
}
}
/* get log separator */
if ((res = getsetting(&mysql, LOCAL, "default_datechar")) != 0) {
set.log_datetime_separator = atoi(res);
free((char *)res);
if (set.log_datetime_separator < GDC_MIN || set.log_datetime_separator > GDC_MAX) {
set.log_datetime_separator = GDC_DEFAULT;
}
}
/* determine log file, syslog or both, default is 1 or log file only */
if ((res = getsetting(&mysql, LOCAL, "log_destination")) != 0) {
set.log_destination = parse_logdest(res, LOGDEST_FILE);
free((char *)res);
} else {
set.log_destination = LOGDEST_FILE;
}
/* log the path_webroot variable */
SPINE_LOG_DEBUG(("DEBUG: The path_php_server variable is %s", set.path_php_server));
/* log the path_cactilog variable */
SPINE_LOG_DEBUG(("DEBUG: The path_cactilog variable is %s", set.path_logfile));
/* the version variable */
SPINE_LOG_DEBUG(("DEBUG: The version variable is %s", set.dbversion));
/* log the log_destination variable */
SPINE_LOG_DEBUG(("DEBUG: The log_destination variable is %i (%s)",
set.log_destination,
printable_logdest(set.log_destination)));
set.logfile_processed = TRUE;
/* get PHP Path Information for Scripting */
if ((res = getsetting(&mysql, LOCAL, "path_php_binary")) != 0) {
STRNCOPY(set.path_php, res);
free((char *)res);
}
/* log the path_php variable */
SPINE_LOG_DEBUG(("DEBUG: The path_php variable is %s", set.path_php));
/* set availability_method */
if ((res = getsetting(&mysql, LOCAL, "availability_method")) != 0) {
set.availability_method = atoi(res);
free((char *)res);
}
/* log the availability_method variable */
SPINE_LOG_DEBUG(("DEBUG: The availability_method variable is %i", set.availability_method));
/* set ping_recovery_count */
if ((res = getsetting(&mysql, LOCAL, "ping_recovery_count")) != 0) {
set.ping_recovery_count = atoi(res);
free((char *)res);
}
/* log the ping_recovery_count variable */
SPINE_LOG_DEBUG(("DEBUG: The ping_recovery_count variable is %i", set.ping_recovery_count));
/* set ping_failure_count */
if ((res = getsetting(&mysql, LOCAL, "ping_failure_count")) != 0) {
set.ping_failure_count = atoi(res);
free((char *)res);
}
/* log the ping_failure_count variable */
SPINE_LOG_DEBUG(("DEBUG: The ping_failure_count variable is %i", set.ping_failure_count));
/* set ping_method */
if ((res = getsetting(&mysql, LOCAL, "ping_method")) != 0) {
set.ping_method = atoi(res);
free((char *)res);
}
/* log the ping_method variable */
SPINE_LOG_DEBUG(("DEBUG: The ping_method variable is %i", set.ping_method));
/* set ping_retries */
if ((res = getsetting(&mysql, LOCAL, "ping_retries")) != 0) {
set.ping_retries = atoi(res);
free((char *)res);
}
/* log the ping_retries variable */
SPINE_LOG_DEBUG(("DEBUG: The ping_retries variable is %i", set.ping_retries));
/* set ping_timeout */
if ((res = getsetting(&mysql, LOCAL, "ping_timeout")) != 0) {
set.ping_timeout = atoi(res);
free((char *)res);
} else {
set.ping_timeout = 400;
}
/* log the ping_timeout variable */
SPINE_LOG_DEBUG(("DEBUG: The ping_timeout variable is %i", set.ping_timeout));
/* set snmp_retries */
if ((res = getsetting(&mysql, LOCAL, "snmp_retries")) != 0) {
set.snmp_retries = atoi(res);
free((char *)res);
} else {
set.snmp_retries = 3;
}
/* log the snmp_retries variable */
SPINE_LOG_DEBUG(("DEBUG: The snmp_retries variable is %i", set.snmp_retries));
/* set logging option for errors */
set.log_perror = getboolsetting(&mysql, LOCAL, "log_perror", FALSE);
/* log the log_perror variable */
SPINE_LOG_DEBUG(("DEBUG: The log_perror variable is %i", set.log_perror));
/* set logging option for errors */
set.log_pwarn = getboolsetting(&mysql, LOCAL, "log_pwarn", FALSE);
/* log the log_pwarn variable */
SPINE_LOG_DEBUG(("DEBUG: The log_pwarn variable is %i", set.log_pwarn));
/* set option to increase insert performance */
set.boost_redirect = getboolsetting(&mysql, LOCAL, "boost_redirect", FALSE);
/* log the boost_redirect variable */
SPINE_LOG_DEBUG(("DEBUG: The boost_redirect variable is %i", set.boost_redirect));
/* set option for determining if boost is enabled */
set.boost_enabled = getboolsetting(&mysql, LOCAL, "boost_rrd_update_enable", FALSE);
/* log the boost_rrd_update_enable variable */
SPINE_LOG_DEBUG(("DEBUG: The boost_rrd_update_enable variable is %i", set.boost_enabled));
/* set logging option for statistics */
set.log_pstats = getboolsetting(&mysql, LOCAL, "log_pstats", FALSE);
/* log the log_pstats variable */
SPINE_LOG_DEBUG(("DEBUG: The log_pstats variable is %i", set.log_pstats));
/* get Cacti defined max threads override spine.conf */
if ((res = getpsetting(&mysql, mode, "threads")) != 0) {
set.threads = atoi(res);
free((char *)res);
if (set.threads > MAX_THREADS) {
set.threads = MAX_THREADS;
}
}
/* log the threads variable */
SPINE_LOG_DEBUG(("DEBUG: The threads variable is %i", set.threads));
/* get the poller_interval for those who have elected to go with a 1 minute polling interval */
if ((res = getsetting(&mysql, LOCAL, "poller_interval")) != 0) {
set.poller_interval = atoi(res);
free((char *)res);
} else {
set.poller_interval = 0;
}
/* log the poller_interval variable */
if (set.poller_interval == 0) {
SPINE_LOG_DEBUG(("DEBUG: The polling interval is the system default"));
} else {
SPINE_LOG_DEBUG(("DEBUG: The polling interval is %i seconds", set.poller_interval));
}
/* get the concurrent_processes variable to determine thread sleep values */
if ((res = getsetting(&mysql, LOCAL, "concurrent_processes")) != 0) {
set.num_parent_processes = atoi(res);
free((char *)res);
} else {
set.num_parent_processes = 1;
}
/* log the concurrent processes variable */
SPINE_LOG_DEBUG(("DEBUG: The number of concurrent processes is %i", set.num_parent_processes));
/* get the script timeout to establish timeouts */
if ((res = getsetting(&mysql, LOCAL, "script_timeout")) != 0) {
set.script_timeout = atoi(res);
free((char *)res);
if (set.script_timeout < 5) {
set.script_timeout = 5;
}
} else {
set.script_timeout = 25;
}
/* log the script timeout value */
SPINE_LOG_DEBUG(("DEBUG: The script timeout is %i", set.script_timeout));
/* get selective_device_debug string */
if ((res = getsetting(&mysql, LOCAL, "selective_device_debug")) != 0) {
STRNCOPY(set.selective_device_debug, res);
free((char *)res);
}
/* log the selective_device_debug variable */
SPINE_LOG_DEBUG(("DEBUG: The selective_device_debug variable is %s", set.selective_device_debug));
/* get spine_log_level */
if ((res = getsetting(&mysql, LOCAL, "spine_log_level")) != 0) {
set.spine_log_level = atoi(res);
free((char *)res);
}
/* log the spine_log_level variable */
SPINE_LOG_DEBUG(("DEBUG: The spine_log_level variable is %i", set.spine_log_level));
/* get the number of script server processes to run */
if ((res = getsetting(&mysql, LOCAL, "php_servers")) != 0) {
set.php_servers = atoi(res);
free((char *)res);
if (set.php_servers > MAX_PHP_SERVERS) {
set.php_servers = MAX_PHP_SERVERS;
}
if (set.php_servers <= 0) {
set.php_servers = 1;
}
} else {
set.php_servers = 2;
}
/* log the script timeout value */
SPINE_LOG_DEBUG(("DEBUG: The number of php script servers to run is %i", set.php_servers));
/* get the number of active profiles on the system run */
if ((res = getsetting(&mysql, LOCAL, "active_profiles")) != 0) {
set.active_profiles = atoi(res);
free((char *)res);
if (set.active_profiles <= 0) {
set.active_profiles = 0;
}
} else {
set.active_profiles = 0;
}
/* log the script timeout value */
SPINE_LOG_DEBUG(("DEBUG: The number of active data source profiles is %i", set.active_profiles));
/* get the number of snmp_ports in use */
if ((res = getsetting(&mysql, LOCAL, "total_snmp_ports")) != 0) {
set.total_snmp_ports = atoi(res);
free((char *)res);
if (set.total_snmp_ports <= 0) {
set.total_snmp_ports = 0;
}
} else {
set.total_snmp_ports = 0;
}
/* log the script timeout value */
SPINE_LOG_DEBUG(("DEBUG: The number of snmp ports on the system is %i", set.total_snmp_ports));
/*----------------------------------------------------------------
* determine if the php script server is required by searching for
* all the host records for an action of POLLER_ACTION_PHP_SCRIPT_SERVER.
* If we get even one, it means we have to deal with the PHP script
* server.
*
*/
set.php_required = FALSE; /* assume no */
/* log the requirement for the script server */
if (!strlen(set.host_id_list)) {
sqlp = sqlbuf;
sqlp += sprintf(sqlp, "SELECT action FROM poller_item");
sqlp += sprintf(sqlp, " WHERE action=%d", POLLER_ACTION_PHP_SCRIPT_SERVER);
sqlp += append_hostrange(sqlp, "host_id");
if (set.poller_id_exists) {
sqlp += sprintf(sqlp, " AND poller_id=%i", set.poller_id);
}
sqlp += sprintf(sqlp, " LIMIT 1");
result = db_query(&mysql, LOCAL, sqlbuf);
num_rows = mysql_num_rows(result);
db_free_result(result);
if (num_rows > 0) set.php_required = TRUE;
SPINE_LOG_DEBUG(("DEBUG: StartDevice='%i', EndDevice='%i', TotalPHPScripts='%i'",
set.start_host_id,
set.end_host_id,
num_rows));
} else {
sqlp = sqlbuf;
sqlp += sprintf(sqlp, "SELECT action FROM poller_item");
sqlp += sprintf(sqlp, " WHERE action=%d", POLLER_ACTION_PHP_SCRIPT_SERVER);
sqlp += sprintf(sqlp, " AND host_id IN(%s)", set.host_id_list);
if (set.poller_id_exists) {
sqlp += sprintf(sqlp, " AND poller_id=%i", set.poller_id);
}
sqlp += sprintf(sqlp, " LIMIT 1");
result = db_query(&mysql, LOCAL, sqlbuf);
num_rows = mysql_num_rows(result);
db_free_result(result);
if (num_rows > 0) set.php_required = TRUE;
SPINE_LOG_DEBUG(("DEBUG: Device List to be polled='%s', TotalPHPScripts='%i'",
set.host_id_list,
num_rows));
}
SPINE_LOG_DEBUG(("DEBUG: The PHP Script Server is %sRequired",
set.php_required
? ""
: "Not "));
/* determine the maximum oid's to obtain in a single get request */
if ((res = getsetting(&mysql, LOCAL, "max_get_size")) != 0) {
set.snmp_max_get_size = atoi(res);
free((char *)res);
if (set.snmp_max_get_size > 128) {
set.snmp_max_get_size = 128;
}
} else {
set.snmp_max_get_size = 25;
}
/* log the snmp_max_get_size variable */
SPINE_LOG_DEBUG(("DEBUG: The Maximum SNMP OID Get Size is %i", set.snmp_max_get_size));
strcat(spine_capabilities, "{ authProtocols: \"");
#ifndef NETSNMP_DISABLE_MD5
strcat(spine_capabilities, "MD5,");
#endif
strcat(spine_capabilities, "SHA");
#if defined(HAVE_EVP_SHA224) && defined(usmHMAC192SHA256AuthProtocol)
strcat(spine_capabilities, ",SHA224,SHA256");
#endif
#if defined(HAVE_EVP_SHA384) && defined(usmHMAC384SHA512AuthProtocol)
strcat(spine_capabilities, ",SHA384,SHA512");
#endif
strcat(spine_capabilities, "\"");
strcat(spine_capabilities, ", privProtocols: \"");
#ifndef NETSNMP_DISABLE_DES
strcat(spine_capabilities, "DES");
#endif
#ifdef HAVE_AES
strcat(spine_capabilities, ",AES128");
#if defined(NETSNMP_DRAFT_BLUMENTHAL_AES_04) && defined(usmAES192PrivProtocol)
strcat(spine_capabilities, ",AES192");
#endif
#if defined(NETSNMP_DRAFT_BLUMENTHAL_AES_04) && defined(usmAES256PrivProtocol)
strcat(spine_capabilities, ",AES256");
#endif
#endif
strcat(spine_capabilities, "\" }");
if (set.poller_id == 1) {
putsetting(&mysql, LOCAL, "spine_capabilities", spine_capabilities);
}
db_disconnect(&mysql);
if (set.poller_id > 1 && set.mode == REMOTE_ONLINE) {
db_disconnect(&mysqlr);
}
}
void poller_push_data_to_main() {
MYSQL mysql;
MYSQL mysqlr;
MYSQL_RES *result;
MYSQL_ROW row;
int num_rows;
int rows;
char sqlbuf[HUGE_BUFSIZE];
char *sqlp = sqlbuf;
char query[MEGA_BUFSIZE];
char prefix[BUFSIZE];
char suffix[BUFSIZE];
// tmpstr needs to be greater than 2 * the maximum column size being processed below
char tmpstr[DBL_BUFSIZE];
db_connect(LOCAL, &mysql);
db_connect(REMOTE, &mysqlr);
/* Since MySQL 5.7 the sql_mode defaults are too strict for cacti */
db_insert(&mysql, LOCAL, "SET SESSION sql_mode = (SELECT REPLACE(@@sql_mode,'NO_ZERO_DATE', ''))");
db_insert(&mysql, LOCAL, "SET SESSION sql_mode = (SELECT REPLACE(@@sql_mode,'ONLY_FULL_GROUP_BY', ''))");
db_insert(&mysqlr, REMOTE, "SET SESSION sql_mode = (SELECT REPLACE(@@sql_mode,'NO_ZERO_DATE', ''))");
db_insert(&mysqlr, REMOTE, "SET SESSION sql_mode = (SELECT REPLACE(@@sql_mode,'ONLY_FULL_GROUP_BY', ''))");
SPINE_LOG_MEDIUM(("Pushing Host Status to Main Server"));
if (strlen(set.host_id_list)) {
snprintf(query, MEGA_BUFSIZE, "SELECT id, snmp_sysDescr, snmp_sysObjectID, "
"snmp_sysUpTimeInstance, snmp_sysContact, snmp_sysName, snmp_sysLocation, "
"status, status_event_count, status_fail_date, status_rec_date, "
"status_last_error, min_time, max_time, cur_time, avg_time, polling_time, "
"total_polls, failed_polls, availability, last_updated "
"FROM host "
"WHERE poller_id = %d "
"AND id IN (%s)", set.poller_id, set.host_id_list);
} else {
snprintf(query, MEGA_BUFSIZE, "SELECT id, snmp_sysDescr, snmp_sysObjectID, "
"snmp_sysUpTimeInstance, snmp_sysContact, snmp_sysName, snmp_sysLocation, "
"status, status_event_count, status_fail_date, status_rec_date, "
"status_last_error, min_time, max_time, cur_time, avg_time, polling_time, "
"total_polls, failed_polls, availability, last_updated "
"FROM host "
"WHERE poller_id = %d", set.poller_id);
}
snprintf(prefix, BUFSIZE, "INSERT INTO host (id, snmp_sysDescr, snmp_sysObjectID, "
"snmp_sysUpTimeInstance, snmp_sysContact, snmp_sysName, snmp_sysLocation, "
"status, status_event_count, status_fail_date, status_rec_date, "
"status_last_error, min_time, max_time, cur_time, avg_time, polling_time, "
"total_polls, failed_polls, availability, last_updated) VALUES ");
if (set.dbonupdate == 0) {
snprintf(suffix, BUFSIZE, " ON DUPLICATE KEY UPDATE "
"snmp_sysDescr=VALUES(snmp_sysDescr), "
"snmp_sysObjectID=VALUES(snmp_sysObjectID), "
"snmp_sysUpTimeInstance=VALUES(snmp_sysUpTimeInstance), "
"snmp_sysContact=VALUES(snmp_sysContact), "
"snmp_sysName=VALUES(snmp_sysName), "
"snmp_sysLocation=VALUES(snmp_sysLocation), "
"status=VALUES(status), "
"status_event_count=VALUES(status_event_count), "
"status_fail_date=VALUES(status_fail_date), "
"status_rec_date=VALUES(status_rec_date), "
"status_last_error=VALUES(status_last_error), "
"min_time=VALUES(min_time), "
"max_time=VALUES(max_time), "
"cur_time=VALUES(cur_time), "
"avg_time=VALUES(avg_time), "
"polling_time=VALUES(polling_time), "
"total_polls=VALUES(total_polls), "
"failed_polls=VALUES(failed_polls), "
"availability=VALUES(availability), "
"last_updated=VALUES(last_updated)");
} else {
snprintf(suffix, BUFSIZE, " AS rs ON DUPLICATE KEY UPDATE "
"snmp_sysDescr=rs.snmp_sysDescr, "
"snmp_sysObjectID=rs.snmp_sysObjectID, "
"snmp_sysUpTimeInstance=rs.snmp_sysUpTimeInstance, "
"snmp_sysContact=rs.snmp_sysContact, "
"snmp_sysName=rs.snmp_sysName, "
"snmp_sysLocation=rs.snmp_sysLocation, "
"status=rs.status, "
"status_event_count=rs.status_event_count, "
"status_fail_date=rs.status_fail_date, "
"status_rec_date=rs.status_rec_date, "
"status_last_error=rs.status_last_error, "
"min_time=rs.min_time, "
"max_time=rs.max_time, "
"cur_time=rs.cur_time, "
"avg_time=rs.avg_time, "
"polling_time=rs.polling_time, "
"total_polls=rs.total_polls, "
"failed_polls=rs.failed_polls, "
"availability=rs.availability, "
"last_updated=rs.last_updated");
}
if ((result = db_query(&mysql, LOCAL, query)) != 0) {
num_rows = mysql_num_rows(result);
rows = 0;
if (num_rows > 0) {
while ((row = mysql_fetch_row(result))) {
if (rows < 500) {
if (rows == 0) {
sqlp = sqlbuf;
sqlp += sprintf(sqlp, "%s", prefix);
sqlp += sprintf(sqlp, " (");
} else {
sqlp += sprintf(sqlp, ", (");
}
sqlp += sprintf(sqlp, "%s, ", row[0]); // id mediumint
db_escape(&mysql, tmpstr, sizeof(tmpstr), row[1]); // snmp_sysDescr varchar(300)
sqlp += sprintf(sqlp, "'%s', ", tmpstr);
db_escape(&mysql, tmpstr, sizeof(tmpstr), row[2]); // snmp_sysObjectID varchar(128)
sqlp += sprintf(sqlp, "'%s', ", tmpstr);
db_escape(&mysql, tmpstr, sizeof(tmpstr), row[3]); // snmp_sysUpTimeInstance bigint
sqlp += sprintf(sqlp, "'%s', ", tmpstr);
db_escape(&mysql, tmpstr, sizeof(tmpstr), row[4]); // snmp_sysContact varchar(300)
sqlp += sprintf(sqlp, "'%s', ", tmpstr);
db_escape(&mysql, tmpstr, sizeof(tmpstr), row[5]); // snmp_sysName varchar(300)
sqlp += sprintf(sqlp, "'%s', ", tmpstr);
db_escape(&mysql, tmpstr, sizeof(tmpstr), row[6]); // snmp_sysLocation varchar(300)
sqlp += sprintf(sqlp, "'%s', ", tmpstr);
db_escape(&mysql, tmpstr, sizeof(tmpstr), row[7]); // status tinyint
sqlp += sprintf(sqlp, "'%s', ", tmpstr);
sqlp += sprintf(sqlp, "%s, ", row[8]); // status_event_count mediumint
db_escape(&mysql, tmpstr, sizeof(tmpstr), row[9]); // status_fail_date timestamp
sqlp += sprintf(sqlp, "'%s', ", tmpstr);
db_escape(&mysql, tmpstr, sizeof(tmpstr), row[10]); // status_rec_date timestamp
sqlp += sprintf(sqlp, "'%s', ", tmpstr);
db_escape(&mysql, tmpstr, sizeof(tmpstr), row[11]); // status_last_error varchar(255)
sqlp += sprintf(sqlp, "'%s', ", tmpstr);
sqlp += sprintf(sqlp, "%s, ", row[12]); // min_time decimal(10,5)
sqlp += sprintf(sqlp, "%s, ", row[13]); // max_time decimal(10,5)
sqlp += sprintf(sqlp, "%s, ", row[14]); // cur_time decimal(10,5)
sqlp += sprintf(sqlp, "%s, ", row[15]); // avg_time decimal(10,5)
sqlp += sprintf(sqlp, "%s, ", row[16]); // polling_time double
sqlp += sprintf(sqlp, "%s, ", row[17]); // total_polls int
sqlp += sprintf(sqlp, "%s, ", row[18]); // failed_polls int
sqlp += sprintf(sqlp, "%s, ", row[19]); // availability decimal(8,5)
db_escape(&mysql, tmpstr, sizeof(tmpstr), row[20]); // last_updated timestamp
sqlp += sprintf(sqlp, "'%s'", tmpstr);
sqlp += sprintf(sqlp, ")");
rows++;
} else {
sqlp += sprintf(sqlp, "%s", suffix);
db_insert(&mysqlr, REMOTE, sqlbuf);
rows = 0;
}
}
}
if (rows > 0) {
sqlp += sprintf(sqlp, "%s", suffix);
db_insert(&mysqlr, REMOTE, sqlbuf);
}
}
db_free_result(result);
SPINE_LOG_MEDIUM(("Pushing Poller Item RRD Next Step to Main Server"));
if (strlen(set.host_id_list)) {
snprintf(query, MEGA_BUFSIZE, "SELECT local_data_id, host_id, rrd_name, rrd_step, rrd_next_step "
"FROM poller_item "
"WHERE poller_id = %d "
"AND host_id IN (%s)", set.poller_id, set.host_id_list);
} else {
snprintf(query, MEGA_BUFSIZE, "SELECT local_data_id, host_id, rrd_name, rrd_step, rrd_next_step "
"FROM poller_item "
"WHERE poller_id = %d ",
set.poller_id);
}
snprintf(prefix, BUFSIZE, "INSERT INTO poller_item (local_data_id, host_id, rrd_name, rrd_step, rrd_next_step) VALUES ");
if (set.dbonupdate == 0) {
snprintf(suffix, BUFSIZE, " ON DUPLICATE KEY UPDATE "
"rrd_next_step=VALUES(rrd_next_step)");
} else {
snprintf(suffix, BUFSIZE, " AS rs ON DUPLICATE KEY UPDATE "
"rrd_next_step=rs.rrd_next_step");
}
if ((result = db_query(&mysql, LOCAL, query)) != 0) {
num_rows = mysql_num_rows(result);
rows = 0;
if (num_rows > 0) {
while ((row = mysql_fetch_row(result))) {
if (rows < 10000) {
if (rows == 0) {
sqlp = sqlbuf;
sqlp += sprintf(sqlp, "%s", prefix);
sqlp += sprintf(sqlp, " (");
} else {
sqlp += sprintf(sqlp, ", (");
}
sqlp += sprintf(sqlp, "%s, ", row[0]); // local_data_id
sqlp += sprintf(sqlp, "%s, ", row[1]); // host_id