Files
cacti/lib/poller.php
T
TheWitness ab9dd5435f Fixing #5384 - Untemplated Data Source Issue
* Untemplated Data Sources can fail to update due to lack of an assigned Graph
* Related to #5336.  We missed the case of the untemplated data source when we fixed this, and another issue in release 1.2.24.

This will allow objects such as RTM's ELIM Templates to properly create RRDfiles and operate as it does today.
2023-06-20 20:39:35 -04:00

2577 lines
83 KiB
PHP

<?php
/*
+-------------------------------------------------------------------------+
| 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 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. |
+-------------------------------------------------------------------------+
| Cacti: The Complete RRDtool-based Graphing Solution |
+-------------------------------------------------------------------------+
| This code is designed, written, and maintained by the Cacti Group. See |
| about.php and/or the AUTHORS file for specific developer information. |
+-------------------------------------------------------------------------+
| http://www.cacti.net/ |
+-------------------------------------------------------------------------+
*/
/**
* exec_poll - executes a command and returns its output
*
* @param (string) $command - the command to execute
* @param (int) $timeout - the command timeout
*
* @return (string) the output of $command after execution
*/
function exec_poll($command, $timeout) {
global $config;
$output = array();
$return = 0;
$data = exec_with_timeout($command, $output, $return, $timeout);
if ($return != 0) {
cacti_log(sprintf('WARNING: Script:%s, ErrorCode:%d, Output:%s', $command, $return, implode(',', $output)), false, 'POLLER');
}
if ($data == '') {
return 'U';
} else {
return $data;
}
}
/**
* exec_poll_php - sends a command to the php script server and returns the output
*
* @param (string) $command - the command to send to the php script server
* @param (bool) $using_proc_function - whether or not this version of php is making use
* of the proc_open() and proc_close() functions (php 4.3+)
* @param (array) $pipes - the array of r/w pipes returned from proc_open()
* @param (resource) $proc_fd - the file descriptor returned from proc_open()
*
* @return (string) - the output of $command after execution against the php script
* server
*/
function exec_poll_php($command, $using_proc_function, $pipes, $proc_fd) {
global $config;
$output = '';
/* execute using php process */
if ($using_proc_function == 1) {
if (is_resource($proc_fd)) {
/* $pipes now looks like this:
* 0 => writeable handle connected to child stdin
* 1 => readable handle connected to child stdout
* 2 => any error output will be sent to child stderr */
/* send command to the php server */
fwrite($pipes[0], $command . "\r\n");
fflush($pipes[0]);
$output = fgets($pipes[1], 8192);
if (substr_count($output, 'ERROR') > 0) {
$output = 'U';
}
}
/* execute the old fashion way */
} else {
/* formulate command */
$command = read_config_option('path_php_binary') . ' ' . $command;
if (function_exists('popen')) {
if ($config['cacti_server_os'] == 'unix') {
$fp = popen($command, 'r');
} else {
$fp = popen($command, 'rb');
}
/* return if the popen command was not successful */
if (!is_resource($fp)) {
cacti_log('WARNING; Problem with POPEN command.', false, 'POLLER');
return 'U';
}
$output = fgets($fp, 8192);
pclose($fp);
} else {
$output = `$command`;
}
}
return $output;
}
/**
* exec_background - executes a program in the background so that php can continue
* to execute code in the foreground.
*
* @param (string) $filename - the full pathname to the script to execute
* @param (string) $args - any additional arguments that must be passed onto the executable
* @param (string) $redirect_args - any additional arguments for file re-direction. Otherwise output goes to /dev/null
*
* @return (void)
*/
function exec_background($filename, $args = '', $redirect_args = '') {
global $config, $debug;
cacti_log("DEBUG: About to Spawn a Remote Process [CMD: $filename, ARGS: $args]", true, 'POLLER', ($debug ? POLLER_VERBOSITY_NONE:POLLER_VERBOSITY_DEBUG));
if (file_exists($filename)) {
if ($config['cacti_server_os'] == 'win32') {
if (!file_escaped($filename)) {
$filename = cacti_escapeshellcmd($filename);
}
if ($redirect_args == '') {
pclose(popen('start "Cactiplus" /I ' . $filename . ' ' . $args, 'r'));
} else {
pclose(popen('start "Cactiplus" /I ' . $filename . ' ' . $args . ' ' . $redirect_args, 'r'));
}
} elseif ($redirect_args == '') {
exec($filename . ' ' . $args . ' > /dev/null 2>&1 &');
} else {
exec($filename . ' ' . $args . ' ' . $redirect_args . ' &');
}
} elseif (file_exists_2gb($filename)) {
if ($redirect_args == '') {
exec($filename . ' ' . $args . ' > /dev/null 2>&1 &');
} else {
exec($filename . ' ' . $args . ' ' . $redirect_args . ' &');
}
}
}
/**
* exec_with_timeout - Execute a command and return it's output. Either wait until the
* command exits or the timeout has expired.
*
* @param (string) $cmd Command to execute.
* @param (string) $output A return array of output.
* @param (int) $return_code The return code from the script
* @param (int) $timeout Timeout in seconds.
*
* @return (string|bool) Either the last line of output or false on error
*/
function exec_with_timeout($cmd, &$output, &$return_code, $timeout = 5) {
// File descriptors passed to the process.
$descriptors = array(
0 => array('pipe', 'r'), // stdin
1 => array('pipe', 'w'), // stdout
2 => array('pipe', 'w') // stderr
);
// Start the process.
$process = proc_open('exec ' . $cmd, $descriptors, $pipes);
if (!is_resource($process)) {
return false;
}
// Set the stdout stream to non-blocking.
stream_set_blocking($pipes[1], 0);
// Set the stderr stream to non-blocking.
stream_set_blocking($pipes[2], 0);
// Turn the timeout into microseconds.
$timeout = (int) $timeout * 1000000;
// Output buffer.
$buffer = '';
// While we have time to wait.
while ($timeout > 0) {
$start = microtime(true);
// Wait until we have output or the timer expired.
$read = array($pipes[1]);
$write = array();
$other = array();
stream_select($read, $write, $other, 0, $timeout);
// Get the status of the process.
// Do this before we read from the stream,
// this way we can't lose the last bit of output if the process dies between these functions.
$status = proc_get_status($process);
// Read the contents from the buffer.
// This function will always return immediately as the stream is non-blocking.
$buffer .= stream_get_contents($pipes[1]);
if (!$status['running']) {
// Break from this loop if the process exited before the timeout.
break;
}
// Subtract the number of microseconds that we waited.
$timeout -= (int) (microtime(true) - $start) * 1000000;
}
// Check if there were any errors.
$errors = stream_get_contents($pipes[2]);
if (isset($status['exitcode'])) {
$return_code = $status['exitcode'];
} else {
$return_code = 1;
}
if (!empty($errors)) {
return false;
}
// Kill the process in case the timeout expired and it's still running.
// If the process already exited this won't do anything.
proc_terminate($process, 9);
// Close all streams.
fclose($pipes[0]);
fclose($pipes[1]);
fclose($pipes[2]);
proc_close($process);
if ($buffer != '') {
$output = explode("\n", $buffer);
return (end($output));
} else {
return;
}
}
function file_escaped($file) {
if (substr($file, 0, 1) == '"' && substr($file, -1, 1) == '"') {
return true;
}
return false;
}
/**
* file_exists_2gb - fail safe version of the file exists function to correct
* for errors in certain versions of php.
*
* @param (string) $filename - the name of the file to be tested.
*
* @return (int) 1 if the file exists otherwise 0
*/
function file_exists_2gb($filename) {
global $config;
$rval = 0;
if ($config['cacti_server_os'] != 'win32') {
system("test -f $filename", $rval);
return ($rval == 0);
} else {
return 0;
}
}
/**
* update_reindex_cache - builds a cache that is used by the poller to determine if the
* indexes for a particular data query/host have changed
*
* @param (int) $host_id - the id of the host to which the data query belongs
* @param (int) $data_query_id - the id of the data query to rebuild the reindex cache for
*
* @return (void)
*/
function update_reindex_cache($host_id, $data_query_id) {
global $config;
include_once(CACTI_PATH_LIBRARY . '/data_query.php');
include_once(CACTI_PATH_LIBRARY . '/snmp.php');
/* will be used to keep track of sql statements to execute later on */
$recache_stack = array();
$host = db_fetch_row_prepared('SELECT ' . SQL_NO_CACHE . ' *
FROM host
WHERE id = ?',
array($host_id));
$data_query = db_fetch_row_prepared('SELECT ' . SQL_NO_CACHE . ' *
FROM host_snmp_query
WHERE host_id = ?
AND snmp_query_id = ?',
array($host_id, $data_query_id));
$data_query_type = db_fetch_cell_prepared('SELECT ' . SQL_NO_CACHE . ' data_input.type_id
FROM data_input
INNER JOIN snmp_query
ON data_input.id = snmp_query.data_input_id
WHERE snmp_query.id = ?',
array($data_query_id));
$data_query_xml = get_data_query_array($data_query_id);
if (cacti_sizeof($data_query)) {
switch ($data_query['reindex_method']) {
case DATA_QUERY_AUTOINDEX_NONE:
break;
case DATA_QUERY_AUTOINDEX_BACKWARDS_UPTIME:
/* the uptime backwards method requires snmp, so make sure snmp is actually enabled
* on this device first */
if ($host['snmp_version'] > 0) {
if (isset($data_query_xml['oid_uptime'])) {
$oid_uptime = $data_query_xml['oid_uptime'];
} elseif (isset($data_query_xml['uptime_oid'])) {
$oid_uptime = $data_query_xml['uptime_oid'];
} else {
$oid_uptime = '.1.3.6.1.2.1.1.3.0';
}
$session = cacti_snmp_session($host['hostname'], $host['snmp_community'], $host['snmp_version'],
$host['snmp_username'], $host['snmp_password'], $host['snmp_auth_protocol'], $host['snmp_priv_passphrase'],
$host['snmp_priv_protocol'], $host['snmp_context'], $host['snmp_engine_id'], $host['snmp_port'],
$host['snmp_timeout'], $host['ping_retries'], $host['max_oids']);
if ($session !== false) {
if ($oid_uptime == '.1.3.6.1.2.1.1.3.0') {
$checks = array(
'.1.3.6.1.6.3.10.2.1.3.0',
'.1.3.6.1.2.1.1.3.0'
);
foreach ($checks as $oid_uptime) {
$assert_value = cacti_snmp_session_get($session, $oid_uptime);
if (is_numeric($assert_value)) {
if ($oid_uptime == '.1.3.6.1.6.3.10.2.1.3.0') {
$assert_value *= 100;
}
break;
}
}
$oid_uptime = '.1.3.6.1.2.1.1.3.0';
} else {
$assert_value = cacti_snmp_session_get($session, $oid_uptime);
}
}
$session->close();
$recache_stack[] = "('$host_id', '$data_query_id'," . POLLER_ACTION_SNMP . ", '<', '$assert_value', '$oid_uptime', 1)";
}
break;
case DATA_QUERY_AUTOINDEX_INDEX_NUM_CHANGE:
/* this method requires that some command/oid can be used to determine the
* current number of indexes in the data query
* pay ATTENTION to quoting!
* the script parameters are usually enclosed in single tics: '
* so we have to enclose the whole list of parameters in double tics: "
* */
/* the assert_value counts the number of distinct indexes currently available in host_snmp_cache
* we do NOT make use of <oid_num_indexes> or the like!
* this works, even if no <oid_num_indexes> was given
*/
$assert_value = cacti_sizeof(db_fetch_assoc_prepared('SELECT DISTINCT ' . SQL_NO_CACHE . ' snmp_index
FROM host_snmp_cache
WHERE host_id = ?
AND snmp_query_id = ?
AND snmp_index != ""',
array($host_id, $data_query_id)));
/* now, we have to build the (list of) commands that are later used on a recache event
* the result of those commands will be compared to the assert_value we have just computed
* on a comparison failure, a reindex event will be generated
*/
switch ($data_query_type) {
case DATA_INPUT_TYPE_SNMP_QUERY:
if (isset($data_query_xml['oid_num_indexes'])) { /* we have a specific OID for counting indexes */
$recache_stack[] = "($host_id, $data_query_id," . POLLER_ACTION_SNMP . ", '=', " . db_qstr($assert_value) . ', ' . db_qstr($data_query_xml['oid_num_indexes']) . ', 1)';
} else { /* count all indexes found */
$recache_stack[] = "($host_id, $data_query_id, " . POLLER_ACTION_SNMP_COUNT . ", '=', " . db_qstr($assert_value) . ', ' . db_qstr($data_query_xml['oid_index']) . ', 1)';
}
break;
case DATA_INPUT_TYPE_SCRIPT_QUERY:
if (isset($data_query_xml['arg_num_indexes'])) { /* we have a specific request for counting indexes */
/* escape path (windows!) and parameters for use with database sql; TODO: replace by db specific escape function like mysql_real_escape_string? */
$recache_stack[] = "($host_id, $data_query_id, " . POLLER_ACTION_SCRIPT . ", '=', " . db_qstr($assert_value) . ', ' . db_qstr(get_script_query_path((isset($data_query_xml['arg_prepend']) ? $data_query_xml['arg_prepend'] . ' ': '') . $data_query_xml['arg_num_indexes'], $data_query_xml['script_path'], $host_id)) . ', 1)';
} else { /* count all indexes found */
/* escape path (windows!) and parameters for use with database sql; TODO: replace by db specific escape function like mysql_real_escape_string? */
$recache_stack[] = "($host_id, $data_query_id, " . POLLER_ACTION_SCRIPT_COUNT . ", '=', " . db_qstr($assert_value) . ', ' . db_qstr(get_script_query_path((isset($data_query_xml['arg_prepend']) ? $data_query_xml['arg_prepend'] . ' ': '') . $data_query_xml['arg_index'], $data_query_xml['script_path'], $host_id)) . ', 1)';
}
break;
case DATA_INPUT_TYPE_QUERY_SCRIPT_SERVER:
if (isset($data_query_xml['arg_num_indexes'])) { /* we have a specific request for counting indexes */
/* escape path (windows!) and parameters for use with database sql; TODO: replace by db specific escape function like mysql_real_escape_string? */
$recache_stack[] = "($host_id, $data_query_id, " . POLLER_ACTION_SCRIPT_PHP . ", '=', " . db_qstr($assert_value) . ', ' . db_qstr(get_script_query_path($data_query_xml['script_function'] . ' ' . (isset($data_query_xml['arg_prepend']) ? $data_query_xml['arg_prepend'] . ' ': '') . $data_query_xml['arg_num_indexes'], $data_query_xml['script_path'], $host_id)) . ', 1)';
} else { /* count all indexes found */
# TODO: push the correct assert value
/* escape path (windows!) and parameters for use with database sql; TODO: replace by db specific escape function like mysql_real_escape_string? */
#$recache_stack[] = "($host_id, $data_query_id," . POLLER_ACTION_SCRIPT_PHP_COUNT . ", '=', " . db_qstr($assert_value) . ", " . db_qstr(get_script_query_path($data_query_xml['script_function'] . ' ' . (isset($data_query_xml['arg_prepend']) ? $data_query_xml['arg_prepend'] . ' ': '') . $data_query_xml['arg_index'], $data_query_xml['script_path'], $host_id)) . ", 1)";
# omit the assert value until we are able to run an 'index' command through script server
}
break;
}
break;
case DATA_QUERY_AUTOINDEX_FIELD_VERIFICATION:
$primary_indexes = db_fetch_assoc_prepared('SELECT ' . SQL_NO_CACHE . ' snmp_index, oid, field_value
FROM host_snmp_cache
WHERE host_id = ?
AND snmp_query_id = ?
AND field_name = ?',
array($host_id, $data_query_id, $data_query['sort_field']));
if (cacti_sizeof($primary_indexes) > 0) {
foreach ($primary_indexes as $index) {
$assert_value = $index['field_value'];
if ($data_query_type == DATA_INPUT_TYPE_SNMP_QUERY) {
$recache_stack[] = "($host_id, $data_query_id, " . POLLER_ACTION_SNMP . ", '=', " . db_qstr($assert_value) . ', ' . db_qstr(($data_query_xml['fields'][$data_query['sort_field']]['source'] == 'index') ? $data_query_xml['oid_index']:$data_query_xml['fields'][$data_query['sort_field']]['oid'] . '.' . $index['snmp_index']) . ', 1)';
} elseif ($data_query_type == DATA_INPUT_TYPE_SCRIPT_QUERY) {
$recache_stack[] = '(' . $host_id . ', ' . $data_query_id . ', ' . POLLER_ACTION_SCRIPT . ", '=', " . db_qstr($assert_value) . ', ' . db_qstr(get_script_query_path((isset($data_query_xml['arg_prepend']) ? $data_query_xml['arg_prepend'] . ' ': '') . $data_query_xml['arg_get'] . ' ' . $data_query_xml['fields'][$data_query['sort_field']]['query_name'] . ' ' . $index['snmp_index'], $data_query_xml['script_path'], $host_id)) . ', 1)';
}
}
}
break;
}
}
if (cacti_sizeof($recache_stack)) {
poller_update_poller_reindex_from_buffer($host_id, $data_query_id, $recache_stack);
}
}
function poller_update_poller_reindex_from_buffer($host_id, $data_query_id, &$recache_stack) {
/* set all fields present value to 0, to mark the outliers when we are all done */
db_execute_prepared('UPDATE poller_reindex
SET present = 0
WHERE host_id = ?
AND data_query_id = ?',
array($host_id, $data_query_id));
/* setup the database call */
$sql_prefix = 'INSERT INTO poller_reindex (host_id, data_query_id, action, op, assert_value, arg1, present) VALUES';
$sql_suffix = ' ON DUPLICATE KEY UPDATE action=VALUES(action), op=VALUES(op), assert_value=VALUES(assert_value), present=VALUES(present)';
/* use a reasonable insert buffer, the default is 1MByte */
$max_packet = 256000;
/* setup some defaults */
$overhead = strlen($sql_prefix) + strlen($sql_suffix);
$buf_len = 0;
$buf_count = 0;
$buffer = '';
foreach ($recache_stack as $record) {
if ($buf_count == 0) {
$delim = ' ';
} else {
$delim = ', ';
}
$buffer .= $delim . $record;
$buf_len += strlen($record);
if (($overhead + $buf_len) > ($max_packet - 1024)) {
db_execute($sql_prefix . $buffer . $sql_suffix);
$buffer = '';
$buf_len = 0;
$buf_count = 0;
} else {
$buf_count++;
}
}
if ($buf_count > 0) {
db_execute($sql_prefix . $buffer . $sql_suffix);
}
/* remove stale records FROM the poller reindex */
db_execute_prepared('DELETE FROM poller_reindex
WHERE host_id = ?
AND data_query_id = ?
AND present = 0', array($host_id, $data_query_id));
poller_push_reindex_only_data_to_main($host_id, $data_query_id);
}
/**
* process_poller_output - grabs data from the 'poller_output' table and feeds the *completed*
* results to RRDtool for processing
*
* @param (resource) $rrdtool_pipe - the array of pipes containing the file descriptor for rrdtool
* @param (int) $remainder - don't use LIMIT if true
*
* @return (int) - The number of rrdfiles processed
*/
function process_poller_output(&$rrdtool_pipe, $remainder = 0) {
global $config, $debug;
static $rrd_field_names = array();
static $checked_bad = false;
include_once(CACTI_PATH_LIBRARY . '/rrd.php');
/* let's count the number of rrd files we processed */
$rrds_processed = 0;
$max_rows = 40000;
if ($remainder == 0) {
$remainder = $max_rows;
}
cacti_log("Processing Poller Output with $remainder maximum items to be processed", false, 'POLLER', POLLER_VERBOSITY_HIGH);
$limit = 'LIMIT ' . $max_rows;
/* create/update the rrd files */
$results = db_fetch_assoc("SELECT po.output, po.time,
UNIX_TIMESTAMP(po.time) as unix_time, po.local_data_id, dl.data_template_id,
pi.rrd_path, pi.rrd_name, pi.rrd_num
FROM poller_output AS po
INNER JOIN poller_item AS pi
ON po.local_data_id = pi.local_data_id
AND po.rrd_name = pi.rrd_name
INNER JOIN data_local AS dl
ON dl.id = po.local_data_id
ORDER BY po.local_data_id
$limit");
if (!cacti_sizeof($rrd_field_names)) {
$rrd_field_names = array_rekey(
db_fetch_assoc_prepared('SELECT ' . SQL_NO_CACHE . '
CONCAT(data_template_id, "_", data_name) AS keyname, data_source_names AS data_source_name
FROM poller_data_template_field_mappings'),
'keyname', array('data_source_name'));
}
if (cacti_sizeof($results)) {
/* create an array keyed off of each .rrd file */
foreach ($results as $item) {
/* trim the default characters, but add single and double quotes */
$value = $item['output'];
$unix_time = $item['unix_time'];
$rrd_path = $item['rrd_path'];
$rrd_name = $item['rrd_name'];
$local_data_id = $item['local_data_id'];
$data_template_id = $item['data_template_id'];
$rrd_tmpl = '';
$rrd_update_array[$rrd_path]['local_data_id'] = $local_data_id;
if ((is_numeric($value)) || ($value == 'U' && $rrd_name != '')) {
/* single one value output */
$rrd_update_array[$rrd_path]['times'][$unix_time][$rrd_name] = $value;
} elseif (is_hexadecimal($value)) {
/**
* special case of one value output: hexadecimal to decimal conversion
* attempt to accomodate 32bit and 64bit systems
*/
$value = str_replace(' ', '', $value);
if (strlen($value) <= 8 || ((2147483647+1) == intval(2147483647+1))) {
$rrd_update_array[$rrd_path]['times'][$unix_time][$rrd_name] = hexdec($value);
} elseif (function_exists('bcpow')) {
$dec = 0;
$vallen = strlen($value);
for ($i = 1; $i <= $vallen; $i++) {
$dec = bcadd($dec, bcmul(strval(hexdec($value[$i - 1])), bcpow('16', strval($vallen - $i))));
}
$rrd_update_array[$rrd_path]['times'][$unix_time][$rrd_name] = $dec;
} else {
$rrd_update_array[$rrd_path]['times'][$unix_time][$rrd_name] = 'U';
}
} elseif (strpos($value, ':') !== false) {
/* multiple value output */
$values = preg_split('/\s+/', $value);
if ($data_template_id > 0) {
$unused_data_source_names = array_rekey(
db_fetch_assoc_prepared('SELECT DISTINCT dtr.data_source_name, dtr.data_source_name
FROM data_template_rrd AS dtr
LEFT JOIN graph_templates_item AS gti
ON dtr.id = gti.task_item_id
WHERE dtr.local_data_id = ?
AND gti.task_item_id IS NULL',
array($local_data_id)),
'data_source_name', 'data_source_name'
);
} else {
$unused_data_source_names = array();
}
foreach($values as $value) {
$matches = explode(':', $value);
if (cacti_sizeof($matches) == 2) {
if (isset($rrd_field_names[$item['data_template_id'] . '_' . $matches[0]])) {
$field = $rrd_field_names[$item['data_template_id'] . '_' . $matches[0]]['data_source_name'];
if (cacti_sizeof($unused_data_source_names) && isset($unused_data_source_names[$field])) {
continue;
}
cacti_log("Parsed MULTI output field '" . $matches[0] . ':' . $matches[1] . "' [map " . $matches[0] . '->' . $field . ']' , true, 'POLLER', ($debug ? POLLER_VERBOSITY_NONE:POLLER_VERBOSITY_HIGH));
if (is_numeric($matches[1]) || ($matches[1] == 'U')) {
$rrd_update_array[$rrd_path]['times'][$unix_time][$field] = $matches[1];
} elseif ((function_exists('is_hexadecimal')) && (is_hexadecimal($matches[1]))) {
$rrd_update_array[$rrd_path]['times'][$unix_time][$field] = hexdec($matches[1]);
} else {
$rrd_update_array[$rrd_path]['times'][$unix_time][$field] = 'U';
}
$rrd_update_array[$rrd_path]['times'][$unix_time][$field] = $matches[1];
$rrd_tmpl .= ($rrd_tmpl != '' ? ':':'') . $field;
$rrd_update_array[$rrd_path]['template'] = $rrd_tmpl;
} else {
// Handle data source without a data template
if ($data_template_id > 0) {
$nt_rrd_field_names = array_rekey(
db_fetch_assoc_prepared('SELECT DISTINCT dtr.data_source_name, dif.data_name
FROM graph_templates_item AS gti
INNER JOIN data_template_rrd AS dtr
ON gti.task_item_id = dtr.id
INNER JOIN data_input_fields AS dif
ON dtr.data_input_field_id = dif.id
WHERE dtr.local_data_id = ?',
array($local_data_id)),
'data_name', 'data_source_name'
);
} else {
$nt_rrd_field_names = array_rekey(
db_fetch_assoc_prepared('SELECT DISTINCT dtr.data_source_name, dif.data_name
FROM data_template_rrd AS dtr
INNER JOIN data_input_fields AS dif
ON dtr.data_input_field_id = dif.id
WHERE dtr.local_data_id = ?',
array($local_data_id)),
'data_name', 'data_source_name'
);
}
if (cacti_sizeof($nt_rrd_field_names)) {
if (isset($nt_rrd_field_names[$matches[0]])) {
$field = $nt_rrd_field_names[$matches[0]];
if (cacti_sizeof($unused_data_source_names) && isset($unused_data_source_names[$field])) {
continue;
}
cacti_log("Parsed MULTI output field '" . $matches[0] . ':' . $matches[1] . "' [map " . $matches[0] . '->' . $field . ']' , true, 'POLLER', ($debug ? POLLER_VERBOSITY_NONE:POLLER_VERBOSITY_HIGH));
if (is_numeric($matches[1]) || ($matches[1] == 'U')) {
$rrd_update_array[$rrd_path]['times'][$unix_time][$field] = $matches[1];
} elseif ((function_exists('is_hexadecimal')) && (is_hexadecimal($matches[1]))) {
$rrd_update_array[$rrd_path]['times'][$unix_time][$field] = hexdec($matches[1]);
} else {
$rrd_update_array[$rrd_path]['times'][$unix_time][$field] = 'U';
}
$rrd_tmpl .= ($rrd_tmpl != '' ? ':':'') . $field;
}
}
$rrd_update_array[$rrd_path]['template'] = $rrd_tmpl;
}
}
}
} else {
if ($data_template_id > 0) {
$unused_data_source_names = array_rekey(
db_fetch_assoc_prepared('SELECT DISTINCT dtr.data_source_name, dtr.data_source_name
FROM data_template_rrd AS dtr
LEFT JOIN graph_templates_item AS gti
ON dtr.id = gti.task_item_id
WHERE dtr.local_data_id = ?
AND gti.task_item_id IS NULL',
array($local_data_id)),
'data_source_name', 'data_source_name'
);
$nt_rrd_field_names = array_rekey(
db_fetch_assoc_prepared('SELECT DISTINCT dtr.data_source_name, dif.data_name
FROM graph_templates_item AS gti
INNER JOIN data_template_rrd AS dtr
ON gti.task_item_id = dtr.id
INNER JOIN data_input_fields AS dif
ON dtr.data_input_field_id = dif.id
WHERE dtr.local_data_id = ?',
array($local_data_id)),
'data_name', 'data_source_name'
);
} else {
$unused_data_source_names = array_rekey(
db_fetch_assoc_prepared('SELECT DISTINCT dtr.data_source_name, dtr.data_source_name
FROM data_template_rrd AS dtr
WHERE dtr.local_data_id = ?
AND gti.task_item_id IS NULL',
array($local_data_id)),
'data_source_name', 'data_source_name'
);
$nt_rrd_field_names = array_rekey(
db_fetch_assoc_prepared('SELECT DISTINCT dtr.data_source_name, dif.data_name
FROM data_template_rrd AS dtr
INNER JOIN data_input_fields AS dif
ON dtr.data_input_field_id = dif.id
WHERE dtr.local_data_id = ?',
array($local_data_id)),
'data_name', 'data_source_name'
);
}
$expected = '';
if (cacti_sizeof($nt_rrd_field_names)) {
foreach($nt_rrd_field_names as $field) {
if (cacti_sizeof($unused_data_source_names) && isset($unused_data_source_names[$field])) {
continue;
}
$expected .= ($expected != '' ? ' ':'') . "$field:value";
$rrd_update_array[$rrd_path]['times'][$unix_time][$field] = 'U';
$rrd_tmpl .= ($rrd_tmpl != '' ? ':':'') . $field;
}
$rrd_update_array[$rrd_path]['template'] = $rrd_tmpl;
}
cacti_log(sprintf('WARNING: Invalid output! MULTI DS[%d] Encountered [%s] Expected[%s]', $item['local_data_id'], $value, $expected), false, 'POLLER');
}
/* fallback values */
if ((!isset($rrd_update_array[$rrd_path]['times'][$unix_time])) && ($rrd_name != '')) {
$rrd_update_array[$rrd_path]['times'][$unix_time][$rrd_name] = 'U';
} elseif ((!isset($rrd_update_array[$rrd_path]['times'][$unix_time])) && ($rrd_name == '')) {
unset($rrd_update_array[$rrd_path]);
}
}
/* make sure each .rrd file has complete data */
$k = 0;
$data_ids = array();
foreach ($results as $item) {
$unix_time = $item['unix_time'];
$rrd_path = $item['rrd_path'];
$rrd_name = $item['rrd_name'];
if (isset($rrd_update_array[$rrd_path]['times'][$unix_time])) {
/**
* Check to see if we have partial data sources. If so
* we did not get a full update, so we should not be removing
* those data sources from the $rrd_update_array yet.
*/
if ($item['rrd_num'] <= cacti_sizeof($rrd_update_array[$rrd_path]['times'][$unix_time])) {
$data_ids[] = $item['local_data_id'];
$k++;
if ($k % 10000 == 0) {
db_execute('DELETE FROM poller_output WHERE local_data_id IN (' . implode(',', $data_ids) . ')');
$data_ids = array();
$k = 0;
}
} else {
unset($rrd_update_array[$rrd_path]['times'][$unix_time]);
}
}
}
if ($k > 0) {
db_execute('DELETE FROM poller_output WHERE local_data_id IN (' . implode(',', $data_ids) . ')');
}
/* process dsstats information */
dsstats_poller_output($rrd_update_array);
dsdebug_poller_output($rrd_update_array);
api_plugin_hook_function('poller_output', $rrd_update_array);
if (boost_poller_on_demand($results)) {
$rrds_processed = rrdtool_function_update($rrd_update_array, $rrdtool_pipe);
}
$results = null;
$rrd_update_array = null;
/* to much records in poller_output, process in chunks */
$rows = db_fetch_cell('SELECT COUNT(local_data_id)
FROM poller_output');
/* to much records in poller_output, process in chunks */
if ($rows && $remainder == $max_rows) {
$running = db_fetch_cell('SELECT COUNT(*)
FROM poller_time
WHERE end_time = "0000-00-00"');
$rrds_processed += process_poller_output($rrdtool_pipe, $rows < $max_rows ? $rows : $max_rows);
if ($running == 0 && !$checked_bad) {
// Remove recently deleted items from the poller_output table
db_execute('DELETE FROM poller_output WHERE local_data_id NOT IN (SELECT id FROM data_local)');
// Identify data sources that are somehow not aligned
$items = db_fetch_assoc('SELECT rrd_num,
COUNT(DISTINCT po.local_data_id, po.rrd_name) AS ids, dt.name, dl.host_id,
GROUP_CONCAT(DISTINCT po.local_data_id) AS local_data_ids
FROM poller_output AS po
LEFT JOIN poller_item AS pi
ON po.local_data_id = pi.local_data_id
LEFT JOIN data_local AS dl
ON po.local_data_id = dl.id
LEFT JOIN data_template AS dt
ON dl.data_template_id = dt.id
GROUP BY po.local_data_id
HAVING rrd_num IS NULL OR rrd_num != ids
ORDER BY dt.name');
if (cacti_sizeof($items)) {
cacti_log(sprintf('WARNING: There are %s Data Sources not returning all data leaving rows in the poller output table. Details to follow.', cacti_sizeof($items)), false, 'POLLER');
$prevName = '';
foreach ($items as $item) {
if ($prevName != $item['name']) {
cacti_log(sprintf('WARNING: Data Template \'%s\' is impacted by lack of complete information', $item['name']), false, 'POLLER');
$prevName = $item['name'];
db_execute('DELETE FROM poller_output WHERE local_data_id IN(' . $item['local_data_ids'] . ')');
}
}
}
$checked_bad = true;
}
}
}
return $rrds_processed;
}
/**
* update_resource_cache - place the cacti website in the poller_resource_cache
* for remote pollers to consume
*
* @param (int) $poller_id - The id of the poller. 1 is the main system
*
* @return (void)
*/
function update_resource_cache($poller_id = 1) {
global $config, $remote_db_cnn_id;
if ($config['cacti_server_os'] == 'win32') {
return;
}
if ($poller_id == 1) {
$conn = false;
} else {
$conn = $remote_db_cnn_id;
}
$mpath = CACTI_PATH_BASE;
$spath = CACTI_PATH_SCRIPTS;
$rpath = CACTI_PATH_RESOURCE;
$excluded_extensions = array('tar', 'gz', 'zip', 'tgz', 'ttf', 'z', 'exe', 'pack', 'swp', 'swo');
$excluded_dirs = array('.git', 'log', '.gitattributes', '.github');
$paths = array(
'base' => array('recursive' => false, 'path' => $mpath),
'scripts' => array('recursive' => true, 'path' => $spath),
'resource' => array('recursive' => true, 'path' => $rpath),
'lib' => array('recursive' => true, 'path' => $mpath . '/lib'),
'include' => array('recursive' => true, 'path' => $mpath . '/include'),
'install' => array('recursive' => true, 'path' => $mpath . '/install'),
'formats' => array('recursive' => true, 'path' => $mpath . '/formats'),
'locales' => array('recursive' => true, 'path' => $mpath . '/locales'),
'images' => array('recursive' => true, 'path' => $mpath . '/images'),
'mibs' => array('recursive' => true, 'path' => $mpath . '/mibs'),
'cli' => array('recursive' => true, 'path' => $mpath . '/cli')
);
$pollers = db_fetch_cell('SELECT COUNT(*) FROM poller WHERE disabled=""', '', true, $conn);
if ($poller_id == 1 && $pollers > 1) {
foreach ($paths as $type => $path) {
if (is_readable($path['path'])) {
$pathinfo = pathinfo($path['path']);
if (isset($pathinfo['extension'])) {
$extension = strtolower($pathinfo['extension']);
} else {
$extension = '';
}
/* exclude spurious extensions directories */
$exclude = false;
if (array_search($extension, $excluded_extensions, true) !== false) {
$exclude = true;
}
if (array_search(basename($path['path']), $excluded_dirs, true) !== false) {
$exclude = true;
}
if (!$exclude) {
cache_in_path($path['path'], $type, $path['recursive']);
}
} else {
cacti_log('ERROR: Unable to read the ' . $type . " path '" . $path['path'] . "'", false, 'REPLICATE');
}
}
/* handle plugin paths */
$files_and_dirs = array_diff(scandir($mpath . '/plugins'), array('..', '.'));
if (cacti_sizeof($files_and_dirs)) {
foreach ($files_and_dirs as $path) {
if (is_dir($mpath . '/plugins/' . $path)) {
if (file_exists($mpath . '/plugins/' . $path . '/INFO')) {
$info = parse_ini_file($mpath . '/plugins/' . $path . '/INFO', true);
$dir_exclusions = array('..', '.', '.git', '.github', '.gitattributes');
$file_exclusions = $excluded_extensions;
if (isset($info['info']['nosync'])) {
$exclude_paths = explode(',', $info['info']['nosync']);
if (cacti_sizeof($exclude_paths)) {
foreach ($exclude_paths as $epath) {
if (strpos($epath, '*.') !== false) {
$file_exclusions[] = trim(str_replace('*.', '', $epath));
} else {
$dir_exclusions[] = trim($epath);
}
}
}
}
$fod = array_diff(scandir($mpath . '/plugins/' . $path), $dir_exclusions);
if (cacti_sizeof($fod)) {
foreach ($fod as $file_or_dir) {
$fpath = $mpath . '/plugins/' . $path . '/' . $file_or_dir;
if (is_dir($fpath)) {
cache_in_path($fpath, $path . '_' . basename($file_or_dir), true);
} else {
$pathinfo = pathinfo($fpath);
if (isset($pathinfo['extension'])) {
$extension = strtolower($pathinfo['extension']);
} else {
$extension = '';
}
/* exclude spurious extensions */
$exclude = false;
if (array_search($extension, $file_exclusions, true) !== false) {
$exclude = true;
}
if (!$exclude) {
cache_in_path($fpath, 'plugins', false);
}
}
}
}
} else {
cacti_log("WARNING: INFO file does not exist for plugin directory '" . $mpath . '/plugins/' . $path . "'", false, 'REPLICATE');
}
} else {
cache_in_path($mpath . '/plugins/' . $path, 'plugins', false);
}
}
}
/* purge old entries */
$cache = db_fetch_assoc('SELECT path FROM poller_resource_cache');
if (cacti_sizeof($cache)) {
foreach ($cache as $item) {
if (!file_exists($item['path'])) {
db_execute_prepared('DELETE FROM poller_resource_cache
WHERE `path` = ?',
array($item['path']));
}
}
}
} elseif ($poller_id > 1 && $config['connection'] == 'online') {
if (read_config_option('disable_cache_replication') == 'on') {
cacti_log('NOTE: Resource Cache Replication is currently Disabled! Skipping Replication.', true, 'REPLICATE');
return false;
}
$paths['plugins'] = array('recursive' => true, 'path' => $mpath . '/plugins');
$plugin_paths = db_fetch_assoc('SELECT resource_type, `path`
FROM poller_resource_cache
WHERE `path` LIKE "plugins/%"', true, $conn);
if (cacti_sizeof($plugin_paths)) {
foreach ($plugin_paths as $path) {
$paths[$path['resource_type']] = array('recursive' => false, 'path' => dirname($mpath . '/' . $path['path']));
}
}
foreach ($paths as $type => $path) {
if (!file_exists($path['path'])) {
cacti_log('INFO: Attempting to create directory \'' . $path['path'] . '\'', false, 'REPLICATE');
@mkdir($path['path'], 0755, true);
}
if (is_writable($path['path'])) {
resource_cache_out($type, $path);
} else {
cacti_log('FATAL: Unable to write to the ' . $type . " path '" . $path['path'] . "'", false, 'REPLICATE');
}
}
}
}
/**
* cache_in_path - check to see if the directory in question has changed.
* If so, send its data into the resource cache table
*
* @param (string) $path - The path to look for changes
* @param (string) $type - The patch types being cached
* @param (bool) $recursive - Should the path be scanned recursively
*
* @return (void)
*/
function cache_in_path($path, $type, $recursive = true) {
global $config;
if (is_dir($path)) {
$curr_md5 = md5sum_path($path, $recursive);
$settings_path = "md5dirsum_$type";
$last_md5 = read_config_option($settings_path);
if (empty($last_md5) || $last_md5 != $curr_md5) {
cacti_log('Type:' . $type . ', Path:' . $path . ', Last MD5:' . $last_md5 . ', Curr MD5:' . $curr_md5, false, 'REPLICATE', POLLER_VERBOSITY_MEDIUM);
cacti_log("NOTE: Detecting Resource Change. Updating Resource Cache for '$path'", false, 'REPLICATE');
update_db_from_path($path, $type, $recursive);
}
set_config_option($settings_path, $curr_md5);
} else {
$spath = ltrim(trim(str_replace(CACTI_PATH_BASE, '', $path), '/ \\'), '/ \\');
$excluded_extensions = array('tar', 'gz', 'zip', 'tgz', 'ttf', 'z', 'exe', 'pack', 'swp', 'swo');
$excluded_dirs_files = array('.git', '.travis.yml', '.gitattributes', '.github');
$pathinfo = pathinfo($path);
if (isset($pathinfo['extension'])) {
$extension = strtolower($pathinfo['extension']);
} else {
$extension = '';
}
/* exclude spurious extensions directories */
$exclude = false;
if (array_search($extension, $excluded_extensions, true) !== false) {
$exclude = true;
}
if (basename($path) == 'config.php' && strpos($path, 'plugins') !== false) {
// Allow replication of plugin based config.php files
$exclude = false;
} elseif (basename($path) == 'config_local.php') {
// Don't cache a plugin config_local.php
$exclude = true;
} elseif (basename($path) == 'config.php') {
// Don't cache Cacti's config.php
$exclude = true;
} elseif (array_search(basename($path), $excluded_dirs_files, true) !== false) {
$exclude = true;
}
/* exclude spurious extensions */
if (!$exclude) {
$curr_md5 = md5_file($path);
$last_md5 = db_fetch_cell_prepared('SELECT md5sum FROM poller_resource_cache WHERE path = ?', array($spath));
if (substr($spath, 0, 8) == 'plugins/') {
$ppath = CACTI_PATH_BASE . '/'. $spath;
} else {
$ppath = $spath;
}
if (empty($last_md5) || $last_md5 != $curr_md5) {
cacti_log("NOTE: Detecting Resource Change. Updating Resource Cache for '$ppath'", false, 'REPLICATE');
update_db_from_path($path, $type, $recursive);
}
}
}
}
/**
* update_db_from_path - store the actual file in the databases resource cache.
* Skip the include/config.php if it exists
*
* @param (string) $path - The path to look for changes
* @param (string) $type - The patch types being cached
* @param (bool) $recursive - Should the path be scanned recursively
*
* @return (void)
*/
function update_db_from_path($path, $type, $recursive = true) {
global $config;
$excluded_extensions = array('tar', 'gz', 'zip', 'tgz', 'ttf', 'z', 'exe', 'pack', 'swp', 'swo');
if (is_dir($path)) {
$pobject = dir($path);
while (($entry = $pobject->read()) !== false) {
if (!should_ignore_from_replication($entry)) {
$spath = ltrim(trim(str_replace(CACTI_PATH_BASE, '', $path), '/ \\') . '/' . $entry, '/ \\');
if (is_dir($path . DIRECTORY_SEPARATOR . $entry)) {
if ($recursive) {
update_db_from_path($path . DIRECTORY_SEPARATOR . $entry, $type, $recursive);
}
} elseif (basename($spath) == 'config.php' && strpos($path, 'plugins') === false) {
// Don't cache Cacti's config.php
continue;
} elseif (basename($path) == '.travis.yml') {
continue;
} else {
$pathinfo = pathinfo($entry);
if (isset($pathinfo['extension'])) {
$extension = strtolower($pathinfo['extension']);
} else {
$extension = '';
}
/* exclude spurious extensions */
if (array_search($extension, $excluded_extensions, true) !== false) {
continue;
}
$entry_path = $path . DIRECTORY_SEPARATOR . $entry;
$attributes = fileperms($entry_path);
$attributes = empty($attributes) ? 33188 : $attributes;
$save = array();
$save['path'] = $spath;
$save['id'] = db_fetch_cell_prepared('SELECT id
FROM poller_resource_cache
WHERE `path` = ?',
array($save['path']));
$save['resource_type'] = $type;
$save['md5sum'] = md5_file($entry_path);
$save['update_time'] = date('Y-m-d H:i:s');
$save['attributes'] = $attributes;
$save['contents'] = base64_encode(file_get_contents($entry_path));
sql_save($save, 'poller_resource_cache');
}
}
}
$pobject->close();
} else {
if (!should_ignore_from_replication($path)) {
$pathinfo = pathinfo($path);
if (isset($pathinfo['extension'])) {
$extension = strtolower($pathinfo['extension']);
} else {
$extension = '';
}
/* exclude spurious extensions */
if (array_search($extension, $excluded_extensions, true) === false) {
$spath = ltrim(trim(str_replace(CACTI_PATH_BASE, '', $path), '/ \\'), '/ \\');
$attributes = fileperms($path);
$attributes = empty($attributes) ? 33188 : $attributes;
$save = array();
$save['path'] = $spath;
$save['id'] = db_fetch_cell_prepared('SELECT id
FROM poller_resource_cache
WHERE `path` = ?',
array($save['path']));
$save['resource_type'] = $type;
$save['md5sum'] = md5_file($path);
$save['update_time'] = date('Y-m-d H:i:s');
$save['attributes'] = $attributes;
$save['contents'] = base64_encode(file_get_contents($path));
sql_save($save, 'poller_resource_cache');
}
}
}
}
/**
* resource_cache_out - push the cache from the cacti database to the
* remote database. Check PHP files for errors before placing
* them on the remote pollers file system.
*
* @param (string) $type - The path type being cached
* @param (string) $path - The path to store the contents
*
* @return (void)
*/
function resource_cache_out($type, $path) {
global $config, $remote_db_cnn_id;
$settings_path = "md5dirsum_$type";
$php_path = read_config_option('path_php_binary');
$last_md5 = read_config_option($settings_path);
$curr_md5 = md5sum_path($path['path'], $path['recursive']);
if (empty($last_md5) || $last_md5 != $curr_md5) {
$entries = db_fetch_assoc_prepared('SELECT id, `path`, md5sum, attributes
FROM poller_resource_cache
WHERE resource_type = ?',
array($type), true, $remote_db_cnn_id);
if (cacti_sizeof($entries)) {
foreach ($entries as $e) {
if (should_ignore_from_replication($e['path'])) {
continue;
}
$mypath = CACTI_PATH_BASE . DIRECTORY_SEPARATOR . $e['path'];
if (file_exists($mypath)) {
$md5sum = md5_file($mypath);
} else {
$md5sum = '';
}
if (!is_dir(dirname($mypath))) {
$relative_dir = str_replace(CACTI_PATH_BASE, '', dirname($mypath));
mkdir('./' . $relative_dir, 0755, true);
}
if (is_dir(dirname($mypath))) {
if ($md5sum != $e['md5sum'] && $e['path'] != 'include/config.php') {
// If for some reason, the attributes are empty, assume 0644
$attributes = empty($e['attributes']) ? 33188 : $e['attributes'];
$extension = substr(strrchr($e['path'], '.'), 1);
$exit = -1;
$contents = base64_decode(db_fetch_cell_prepared('SELECT contents
FROM poller_resource_cache
WHERE id = ?',
array($e['id']), '', true, $remote_db_cnn_id), true);
/* if the file type is PHP check syntax */
if ($extension == 'php' && $contents != '') {
// Executable check
$executable = false;
if (strpos($e['path'], 'lib/poller.php') === false) {
if (strpos($contents, '#!/usr/bin/env php') !== false) {
$executable = true;
} elseif (strpos($contents, '#!/usr/bin/php') !== false) {
$executable = true;
}
}
$tmpdir = sys_get_temp_dir();
$tmpfile = tempnam($tmpdir,'ccp');
if ((is_writeable($tmpdir) && !file_exists($tmpfile)) || (file_exists($tmpfile) && is_writable($tmpfile))) {
if (file_put_contents($tmpfile, $contents) !== false) {
$output = system($php_path . ' -l ' . $tmpfile, $exit);
if ($exit == 0) {
cacti_log("INFO: Updating '$mypath' from Cache!", false, 'REPLICATE');
if (is_writable($mypath) || (!file_exists($mypath) && is_writable(dirname($mypath)))) {
file_put_contents($mypath, $contents);
if ($executable) {
$attributes = 33261;
}
chmod($mypath, $attributes);
if (fileperms($mypath) != $attributes) {
cacti_log("WARNING: Cache cannot update permissions on '$mypath'", false, 'REPLICATE');
}
} else {
cacti_log("ERROR: Cache in cannot write to '$mypath', purge this location", false, 'REPLICATE');
}
} else {
cacti_log("ERROR: PHP Source File '$mypath' from Cache has an error while checking syntax ($exit) while executing: '$php_path -l $tmpfile'", false, 'REPLICATE');
cacti_log("ERROR: PHP Source File '$mypath'': " . str_replace("\n", ' ', str_replace("\t", ' ', $output)), false, 'REPLICATE');
}
unlink($tmpfile);
} else {
cacti_log("ERROR: Unable to write file '" . $tmpfile . "' for PHP Syntax verification", false, 'REPLICATE');
}
} else {
cacti_log("ERROR: Cache in cannot write to '" . $tmpfile . "', purge this location", false, 'REPLICATE');
}
} elseif (is_writeable($mypath) || (!file_exists($mypath) && is_writable(dirname($mypath)))) {
cacti_log("INFO: Updating '" . $mypath . "' from Cache!", false, 'REPLICATE');
file_put_contents($mypath, $contents);
if ($attributes != 0) {
chmod($mypath, $attributes);
if (fileperms($mypath) != $attributes) {
cacti_log("WARNING: Cache cannot update permissions on '$mypath'", false, 'REPLICATE');
}
}
} else {
cacti_log("ERROR: Cache in cannot write to '" . $mypath . "', purge this location", false, 'REPLICATE');
}
}
} else {
cacti_log("ERROR: Directory does not exist '" . dirname($mypath) . "'", false, 'REPLICATE');
}
}
}
}
}
/**
* md5sum_path - get a recursive md5sum on an entire directory.
*
* @param (string) $path - The path to check for the md5sum
* @param (bool) $recursive - The path should be verified recursively
*
* @return (void)
*/
function md5sum_path($path, $recursive = true) {
if (!is_dir($path)) {
return false;
}
$filemd5s = array();
$pobject = dir($path);
$excluded_extensions = array('tar', 'gz', 'zip', 'tgz', 'ttf', 'z', 'exe', 'pack', 'swp', 'swo');
while (($entry = $pobject->read()) !== false) {
if (!should_ignore_from_replication($entry)) {
$pathinfo = pathinfo($entry);
if (isset($pathinfo['extension'])) {
$extension = strtolower($pathinfo['extension']);
} else {
$extension = '';
}
/* exclude spurious extensions */
if (array_search($extension, $excluded_extensions, true) !== false) {
continue;
}
if (is_dir($path . DIRECTORY_SEPARATOR . $entry) && $recursive) {
$filemd5s[] = md5sum_path($path . DIRECTORY_SEPARATOR. $entry, $recursive);
} elseif (is_dir($path . DIRECTORY_SEPARATOR . $entry)) {
// Ignore directories who are not recursive
} elseif (is_readable($path . DIRECTORY_SEPARATOR . $entry)) {
$filemd5s[] = md5_file($path . DIRECTORY_SEPARATOR . $entry);
} else {
cacti_log('WARNING: Unable to read file \'' . $path . DIRECTORY_SEPARATOR . $entry . '\' into Cacti resource cache.', false, 'REPLICATE');
}
}
}
$pobject->close();
return md5(implode('', $filemd5s));
}
/**
* poller_push_to_remote_db_connect - given the device or poller_id connect
* to the data collector.
*
* @param (int) device_or_poller - the id of the object
* @param (bool) is_poller - don't let cacti guess, the id is a poller
* @param mixed $device_or_poller
* @param mixed $is_poller
*
* @return (bool|resource) The connection or false when the connection fails
*/
function poller_push_to_remote_db_connect($device_or_poller, $is_poller = false) {
global $config;
static $device_poller_ids = array();
$rcnn_id = false;
if ($is_poller) {
$poller_id = $device_or_poller;
} elseif (!isset($device_poller_ids[$device_or_poller])) {
$poller_id = db_fetch_cell_prepared('SELECT poller_id
FROM host
WHERE id = ?',
array($device_or_poller));
if (!empty($poller_id)) {
$device_poller_ids[$device_or_poller] = $poller_id;
} elseif ($config['poller_id'] > 1) {
$poller_id = $config['poller_id'];
$device_poller_ids[$device_or_poller] = $poller_id;
}
} else {
$poller_id = $device_poller_ids[$device_or_poller];
}
if ($poller_id > 1) {
$rcnn_id = poller_connect_to_remote($poller_id);
}
return $rcnn_id;
}
/**
* poller_connect_to_remote - this function connects to the remote
* data collector and returns either false or the connection
* resource.
*
* @param (int) poller_id - the remote poller id
* @param mixed $poller_id
*
* @return (bool|resource) The connection or false when the connection fails
*/
function poller_connect_to_remote($poller_id) {
global $config, $local_db_cnn_id;
if ($poller_id == 1) {
return false;
}
if ($config['poller_id'] > 1 && $config['poller_id'] == $poller_id) {
return $local_db_cnn_id;
}
if ($config['poller_id'] == 1) {
$cinfo = db_fetch_row_prepared('SELECT *
FROM poller
WHERE id = ?',
array($poller_id));
if (!cacti_sizeof($cinfo)) {
cacti_log('ERROR: Remote Data Collector ID[' . $poller_id . '] to be Sync\'d does not exist!', false, 'REPLICATE');
raise_message('poller_notfound');
return false;
}
if ($cinfo['dbhost'] == 'localhost' || $cinfo['dbhost'] == '127.0.0.1') {
return false;
}
$rcnn_id = db_connect_real(
$cinfo['dbhost'],
$cinfo['dbuser'],
$cinfo['dbpass'],
$cinfo['dbdefault'],
'mysql',
$cinfo['dbport'],
$cinfo['dbretries'],
$cinfo['dbssl'],
$cinfo['dbsslkey'],
$cinfo['dbsslcert'],
$cinfo['dbsslca']);
if (!is_object($rcnn_id)) {
cacti_log('ERROR: Unable to connect to Remote Data Collector ' . $cinfo['name'], false, 'REPLICATE');
raise_message('poller_noconnect');
return false;
}
} else {
// We only allow sync from the main cacti server
raise_message('poller_nosync');
return false;
}
return $rcnn_id;
}
/**
* replicate_out - this function sends table changes from the resource
* cache to the remote database. This happens as a result of a full
* sync within Cacti.
*
* @param (int) remote_poller_id - the poller to send data to
* @param (string) class - the class of data to push to the poller
* @param mixed $remote_poller_id
* @param mixed $class
*
* @return (bool)
*/
function replicate_out($remote_poller_id = 1, $class = 'all') {
global $config;
replicate_log('Attempting to replicate to Poller ' . $remote_poller_id);
$rcnn_id = poller_connect_to_remote($remote_poller_id);
if ($rcnn_id === false) {
replicate_log('Failed to connect to Poller ' . $remote_poller_id . ' Database');
return false;
}
// Start Push Replication
if ($class == 'all' || $class == 'settings') {
$data = db_fetch_assoc('SELECT *
FROM settings
WHERE name NOT LIKE "%_lastrun%"
AND name NOT LIKE "path_%"
AND name NOT LIKE "%_path"
AND name NOT LIKE "stats%"
AND name != "rrdtool_version"
AND name NOT LIKE "poller_replicate%"
AND name NOT LIKE "install%"
AND name != "poller_enabled"
AND name NOT LIKE "md5dirsum%"
UNION
SELECT *
FROM settings
WHERE name LIKE "path_spine%"
AND name="poller_type"');
replicate_table_to_poller($rcnn_id, $data, 'settings');
}
// Core tables
if ($class == 'all') {
$data = db_fetch_assoc('SELECT * FROM automation_graph_rule_items');
replicate_out_table($rcnn_id, $data, 'automation_graph_rule_items', $remote_poller_id);
$data = db_fetch_assoc('SELECT * FROM automation_graph_rules');
replicate_out_table($rcnn_id, $data, 'automation_graph_rules', $remote_poller_id);
$data = db_fetch_assoc('SELECT * FROM automation_match_rule_items');
replicate_out_table($rcnn_id, $data, 'automation_match_rule_items', $remote_poller_id);
$data = db_fetch_assoc('SELECT * FROM automation_snmp');
replicate_out_table($rcnn_id, $data, 'automation_snmp', $remote_poller_id);
$data = db_fetch_assoc('SELECT * FROM automation_snmp_items');
replicate_out_table($rcnn_id, $data, 'automation_snmp_items', $remote_poller_id);
$data = db_fetch_assoc('SELECT * FROM automation_templates');
replicate_out_table($rcnn_id, $data, 'automation_templates', $remote_poller_id);
$data = db_fetch_assoc('SELECT * FROM automation_tree_rule_items');
replicate_out_table($rcnn_id, $data, 'automation_tree_rule_items', $remote_poller_id);
$data = db_fetch_assoc('SELECT * FROM automation_tree_rules');
replicate_out_table($rcnn_id, $data, 'automation_tree_rules', $remote_poller_id);
$data = db_fetch_assoc('SELECT * FROM data_input');
replicate_out_table($rcnn_id, $data, 'data_input', $remote_poller_id);
$data = db_fetch_assoc('SELECT * FROM host_template');
replicate_out_table($rcnn_id, $data, 'host_template', $remote_poller_id);
$data = db_fetch_assoc('SELECT * FROM host_template_graph');
replicate_out_table($rcnn_id, $data, 'host_template_graph', $remote_poller_id);
$data = db_fetch_assoc('SELECT * FROM host_template_snmp_query');
replicate_out_table($rcnn_id, $data, 'host_template_snmp_query', $remote_poller_id);
$data = db_fetch_assoc('SELECT * FROM snmp_query');
replicate_out_table($rcnn_id, $data, 'snmp_query', $remote_poller_id);
$data = db_fetch_assoc('SELECT * FROM data_input_fields');
replicate_out_table($rcnn_id, $data, 'data_input_fields', $remote_poller_id);
$data = db_fetch_assoc('SELECT * FROM poller');
replicate_out_table($rcnn_id, $data, 'poller', $remote_poller_id);
$data = db_fetch_assoc('SELECT * FROM version');
replicate_out_table($rcnn_id, $data, 'version', $remote_poller_id);
}
// Plugin tables
if ($class == 'all' || $class == 'plugins') {
$data = db_fetch_assoc('SELECT * FROM plugin_config');
replicate_out_table($rcnn_id, $data, 'plugin_config', $remote_poller_id);
$data = db_fetch_assoc('SELECT * FROM plugin_hooks');
replicate_out_table($rcnn_id, $data, 'plugin_hooks', $remote_poller_id);
$data = db_fetch_assoc('SELECT * FROM plugin_realms');
replicate_out_table($rcnn_id, $data, 'plugin_realms', $remote_poller_id);
}
// Auth tables
if ($class == 'all' || $class == 'auth') {
$data = db_fetch_assoc('SELECT * FROM user_auth');
replicate_out_table($rcnn_id, $data, 'user_auth', $remote_poller_id);
$data = db_fetch_assoc('SELECT * FROM user_auth_group');
replicate_out_table($rcnn_id, $data, 'user_auth_group', $remote_poller_id);
$data = db_fetch_assoc('SELECT * FROM user_auth_group_members');
replicate_out_table($rcnn_id, $data, 'user_auth_group_members', $remote_poller_id);
$data = db_fetch_assoc('SELECT * FROM user_auth_group_perms');
replicate_out_table($rcnn_id, $data, 'user_auth_group_perms', $remote_poller_id);
$data = db_fetch_assoc('SELECT * FROM user_auth_group_realm');
replicate_out_table($rcnn_id, $data, 'user_auth_group_realm', $remote_poller_id);
$data = db_fetch_assoc('SELECT * FROM user_auth_realm');
replicate_out_table($rcnn_id, $data, 'user_auth_realm', $remote_poller_id);
$data = db_fetch_assoc('SELECT * FROM user_auth_row_cache');
replicate_out_table($rcnn_id, $data, 'user_auth_row_cache', $remote_poller_id);
$data = db_fetch_assoc('SELECT * FROM user_domains');
replicate_out_table($rcnn_id, $data, 'user_domains', $remote_poller_id);
$data = db_fetch_assoc('SELECT * FROM user_domains_ldap');
replicate_out_table($rcnn_id, $data, 'user_domains_ldap', $remote_poller_id);
}
if ($class == 'all' || $class == 'data') {
$data = db_fetch_assoc_prepared('SELECT hsq.*
FROM host_snmp_query AS hsq
INNER JOIN host AS h
ON h.id=hsq.host_id
WHERE h.poller_id = ?
AND h.deleted = ""',
array($remote_poller_id));
replicate_out_table($rcnn_id, $data, 'host_snmp_query', $remote_poller_id);
$data = db_fetch_assoc_prepared('SELECT pc.*
FROM poller_command AS pc
WHERE pc.poller_id = ?',
array($remote_poller_id));
replicate_out_table($rcnn_id, $data, 'poller_command', $remote_poller_id);
$data = db_fetch_assoc_prepared('SELECT h.*
FROM host AS h
WHERE h.poller_id = ?
AND h.deleted = ""',
array($remote_poller_id));
replicate_out_table($rcnn_id, $data, 'host', $remote_poller_id);
$data = db_fetch_assoc_prepared('SELECT hsc.*
FROM host_snmp_cache AS hsc
INNER JOIN host AS h
ON h.id=hsc.host_id
WHERE h.poller_id = ?
AND h.deleted = ""',
array($remote_poller_id));
replicate_out_table($rcnn_id, $data, 'host_snmp_cache', $remote_poller_id);
$data = db_fetch_assoc_prepared('SELECT hvc.*
FROM host_value_cache AS hvc
INNER JOIN host AS h
ON h.id = hvc.host_id
WHERE h.poller_id = ?
AND h.deleted = ""
UNION
SELECT 0, "dummy", 0, 30, NOW()',
array($remote_poller_id));
replicate_out_table($rcnn_id, $data, 'host_value_cache', $remote_poller_id);
// Special class of 'update' for the table following tables 'poller_reindex', 'poller_item'
$data = db_fetch_assoc_prepared('SELECT pri.*
FROM poller_reindex AS pri
INNER JOIN host AS h
ON h.id=pri.host_id
WHERE h.poller_id = ?
AND h.deleted = ""',
array($remote_poller_id));
replicate_out_table($rcnn_id, $data, 'poller_reindex', $remote_poller_id, false, array('assert_value'));
// Since we are doing an update, remove stale data
db_execute('DELETE pr
FROM poller_reindex AS pr
LEFT JOIN host_snmp_query AS hsq
ON pr.host_id = hsq.host_id
AND pr.data_query_id = hsq.snmp_query_id
WHERE hsq.host_id IS NULL', false, $rcnn_id);
$data = db_fetch_assoc_prepared('SELECT pi.*
FROM poller_item AS pi
WHERE pi.poller_id = ?',
array($remote_poller_id));
replicate_out_table($rcnn_id, $data, 'poller_item', $remote_poller_id, false, array('last_updated'));
// Remove anything not updated recently
$time = db_fetch_cell('SELECT MAX(UNIX_TIMESTAMP(last_updated)) FROM poller_item', '', false, $rcnn_id);
if (!empty($time)) {
// You must update the last_updated locally
db_execute_prepared('UPDATE poller_item
SET last_updated = FROM_UNIXTIME(?)
WHERE poller_id = ?',
array($time, $remote_poller_id));
db_execute_prepared("DELETE FROM poller_item
WHERE last_updated < ?
AND last_updated > '0000-00-00'
AND last_updated NOT NULL",
array(date('Y-m-d H:i:s', $time)), false, $rcnn_id);
}
$data = db_fetch_assoc_prepared('SELECT dl.*
FROM data_local AS dl
INNER JOIN host AS h
ON h.id=dl.host_id
WHERE h.poller_id = ?
AND h.deleted = ""',
array($remote_poller_id));
replicate_out_table($rcnn_id, $data, 'data_local', $remote_poller_id);
$data = db_fetch_assoc_prepared('SELECT gl.*
FROM graph_local AS gl
INNER JOIN host AS h
ON h.id=gl.host_id
WHERE h.poller_id = ?
AND h.deleted = ""',
array($remote_poller_id));
replicate_out_table($rcnn_id, $data, 'graph_local', $remote_poller_id);
$data = db_fetch_assoc_prepared('SELECT dtd.*
FROM data_template_data AS dtd
INNER JOIN data_local AS dl
ON dtd.local_data_id=dl.id
INNER JOIN host AS h
ON h.id=dl.host_id
WHERE h.poller_id = ?
AND h.deleted = ""',
array($remote_poller_id));
replicate_out_table($rcnn_id, $data, 'data_template_data', $remote_poller_id);
$data = db_fetch_assoc_prepared('SELECT dtr.*
FROM data_template_rrd AS dtr
INNER JOIN data_local AS dl
ON dtr.local_data_id=dl.id
INNER JOIN host AS h
ON h.id=dl.host_id
WHERE h.poller_id = ?
AND h.deleted = ""',
array($remote_poller_id));
replicate_out_table($rcnn_id, $data, 'data_template_rrd', $remote_poller_id);
$data = db_fetch_assoc_prepared('SELECT gti.*
FROM graph_templates_item AS gti
INNER JOIN graph_local AS gl
ON gti.local_graph_id=gl.id
INNER JOIN host AS h
ON h.id=gl.host_id
WHERE h.poller_id = ?
AND h.deleted = ""',
array($remote_poller_id));
replicate_out_table($rcnn_id, $data, 'graph_templates_item', $remote_poller_id);
$data = db_fetch_assoc_prepared('SELECT did.*
FROM data_input_data AS did
INNER JOIN data_template_data AS dtd
ON did.data_template_data_id=dtd.id
INNER JOIN data_local AS dl
ON dl.id=dtd.local_data_id
INNER JOIN host AS h
ON h.id=dl.host_id
WHERE h.poller_id = ?
AND h.deleted = ""',
array($remote_poller_id));
replicate_out_table($rcnn_id, $data, 'data_input_data', $remote_poller_id);
}
if ($class == 'all') {
api_plugin_hook_function('replicate_out', array('remote_poller_id' => $remote_poller_id, 'rcnn_id' => $rcnn_id, 'class' => $class));
}
$stats = db_fetch_row_prepared('SELECT
SUM(CASE WHEN action=0 THEN 1 ELSE 0 END) AS snmp,
SUM(CASE WHEN action=1 THEN 1 ELSE 0 END) AS script,
SUM(CASE WHEN action=2 THEN 1 ELSE 0 END) AS server
FROM poller_item
WHERE poller_id = ?',
array($remote_poller_id));
if (cacti_sizeof($stats)) {
db_execute_prepared('UPDATE poller
SET snmp = ?, script = ?, server = ?
WHERE id = ?',
array($stats['snmp'], $stats['script'], $stats['server'], $remote_poller_id));
}
if ($class != 'plugins' && $config['is_web']) {
replicate_log('Synchronization of Poller ' . $remote_poller_id . ' completed', POLLER_VERBOSITY_LOW);
raise_message('poller_sync');
}
return true;
}
/**
* replicate_out_table - replicate out an entire table to
* remote database. Optionally, performs update rather
* than a truncate and excluding columns from the on duplicate
* clause. By default, the remote table will be recreated
* if it's table structure does not match the main table.
*
* @param (object) $conn - Connection to remote database
* @param (array) $data - Associative array of the table data
* @param (string) $table - The remote table to replicate to
* @param (int) $remote_poller_id - The remote data collector's id
* @param (bool) $truncate - A flag that if true, truncates, otherwise updates
* @param (array) $exclude - An array of column names to not update on replication
* @param mixed $level
*
* @return (void)
*/
function replicate_out_table($conn, &$data, $table, $remote_poller_id, $truncate = true, $exclude = false, $level = POLLER_VERBOSITY_NONE) {
if (cacti_sizeof($data)) {
/* check if the table structure changed, and if so, recreate */
$local_columns = db_fetch_assoc('SHOW COLUMNS FROM ' . $table);
$remote_columns = db_fetch_assoc('SHOW COLUMNS FROM ' . $table, false, $conn);
$remote_rows = db_fetch_cell('SELECT COUNT(*) FROM ' . $table, '', false, $conn);
if ($exclude !== false && !is_array($exclude)) {
$exclude = array($exclude);
}
if ($remote_rows == 0) {
$exclude = false;
}
if (cacti_sizeof($local_columns) != cacti_sizeof($remote_columns)) {
replicate_log('NOTE: Replicate Out Detected a Table Structure Change for ' . $table, $level);
$create = db_fetch_row('SHOW CREATE TABLE ' . $table);
if (isset($create["CREATE TABLE `$table`"]) || isset($create['Create Table'])) {
replicate_log('NOTE: Replication Recreating Remote Table Structure for ' . $table, $level);
db_execute('DROP TABLE IF EXISTS ' . $table, true, $conn);
if (isset($create["CREATE TABLE `$table`"])) {
db_execute($create["CREATE TABLE `$table`"], true, $conn);
} else {
db_execute($create['Create Table'], true, $conn);
}
}
}
if ($truncate) {
$prefix = "REPLACE INTO $table (";
$suffix = '';
db_execute("TRUNCATE TABLE $table", true, $conn);
} else {
$prefix = "INSERT INTO $table (";
$suffix = ' ON DUPLICATE KEY UPDATE ';
$cols = array_rekey($local_columns, 'Field', 'Field');
$i = 0;
foreach ($cols as $col) {
if ($exclude !== false) {
if (array_search($col, $exclude, true) === false) {
$suffix .= ($i > 0 ? ', ':'') . " $col=VALUES($col)";
$i++;
}
} else {
$suffix .= ($i > 0 ? ', ':'') . " $col=VALUES($col)";
$i++;
}
}
}
$sql = '';
$colcnt = 0;
$rows_done = 0;
$columns = array_keys($data[0]);
$skipcols = array();
// Find columns to skip, or exclude from updates
foreach ($columns as $index => $c) {
if (!db_column_exists($table, $c, false, $conn)) {
$skipcols[$index] = $c;
} else {
$prefix .= ($colcnt > 0 ? ', ':'') . $c;
$colcnt++;
}
}
$prefix .= ') VALUES ';
$rowcnt = 0;
foreach ($data as $row) {
$colcnt = 0;
$sql_row = '(';
foreach ($row as $col => $value) {
if (array_search($col, $skipcols, true) === false) {
$sql_row .= ($colcnt > 0 ? ', ':'') . db_qstr($value);
$colcnt++;
}
}
$sql_row .= ')';
$sql .= ($rowcnt > 0 ? ', ':'') . $sql_row;
$rowcnt++;
if ($rowcnt > 1000) {
db_execute($prefix . $sql . $suffix, true, $conn);
$rows_affected = db_affected_rows($conn);
$rows_log = ((($rows_done % 100000) + $rows_affected) > 100000);
$rows_done += $rows_affected;
if ($rows_log) {
replicate_log('NOTE: Table ' . $table . ' Replicated to Remote Poller ' . $remote_poller_id . ' With ' . $rows_done . ' Rows Updated', $level);
}
$sql = '';
$rowcnt = 0;
}
}
if ($rowcnt > 0) {
db_execute($prefix . $sql . $suffix, true, $conn);
$rows_done += db_affected_rows($conn);
}
replicate_log('INFO: Table ' . $table . ' Replicated to Remote Poller ' . $remote_poller_id . ' With ' . $rows_done . ' Rows Updated', $level);
} else {
if (db_table_exists($table, true, $conn)) {
db_execute("TRUNCATE TABLE $table", true, $conn);
}
replicate_log('INFO: Table ' . $table . ' Not Replicated to Remote Poller ' . $remote_poller_id . ' Due to No Rows Found', $level);
}
}
function replicate_log($text, $level = POLLER_VERBOSITY_NONE) {
if (defined('IN_CACTI_INSTALL') && !defined('IN_PLUGIN_INSTALL')) {
log_install_and_file($level, $text, 'REPLICATE', true);
} elseif ($level != POLLER_VERBOSITY_NONE) {
cacti_log($text, false, 'REPLICATE', $level);
}
}
function poller_push_reindex_only_data_to_main($device_id, $data_query_id) {
global $remote_db_cnn_id;
$poller_id = db_fetch_cell_prepared('SELECT poller_id
FROM host
WHERE id = ?',
array($device_id));
if ($poller_id > 1) {
$sql_where = 'WHERE host_id = ' . $device_id . ' AND data_query_id = ' . $data_query_id;
$poller_reindex = db_fetch_assoc("SELECT *
FROM poller_reindex
$sql_where");
replicate_table_to_poller($remote_db_cnn_id, $poller_reindex, 'poller_reindex');
}
}
function poller_push_reindex_data_to_poller($device_id = 0, $data_query_id = 0, $force = false, $db_cnn_id = false) {
global $config, $remote_db_cnn_id, $local_db_cnn_id, $database_hostname, $rdatabase_hostname;
// If the hostnames are the same, replication is from main to remote
if ($db_cnn_id) {
// We are pushing forcibly to remote
} elseif (isset($rdatabase_hostname) && $database_hostname == $rdatabase_hostname) {
$db_cnn_id = $local_db_cnn_id;
} else {
$db_cnn_id = $remote_db_cnn_id;
}
$sql_params = array();
$sql_params1 = array();
$sql_where = '';
$sql_where1 = '';
$sql_where2 = '';
if ($device_id > 0) {
$sql_where .= 'WHERE host_id = ?';
$sql_where1 .= 'WHERE host_id = ?';
$sql_params[] = $device_id;
$sql_params1[] = $device_id;
}
if ($data_query_id > 0) {
$sql_where .= ($sql_where != '' ? ' AND':'WHERE') . ' snmp_query_id = ?';
$sql_where1 .= ($sql_where1 != '' ? ' AND':'WHERE') . ' snmp_query_id = ?';
$sql_params[] = $data_query_id;
$sql_params1[] = $data_query_id;
}
// Give the snmp query up to an hour to run
$min_reindex_cache = db_fetch_cell_prepared("SELECT MIN(UNIX_TIMESTAMP(last_updated)-3600)
FROM host_snmp_cache
$sql_where",
$sql_params);
if (!$force) {
$sql_where2 = $sql_where1 . ($sql_where1 != '' ? ' AND':'WHERE') . ' UNIX_TIMESTAMP(last_updated) > ?';
$sql_params2 = $sql_params1;
$sql_params2[] = $min_reindex_cache;
$recache_hosts = array_rekey(
db_fetch_assoc_prepared("SELECT DISTINCT host_id
FROM host_snmp_cache
$sql_where2",
$sql_params2),
'host_id', 'host_id'
);
} else {
$recache_hosts = array_rekey(
db_fetch_assoc_prepared("SELECT DISTINCT host_id
FROM host_snmp_cache
$sql_where1",
$sql_params1),
'host_id', 'host_id'
);
}
if (cacti_sizeof($recache_hosts)) {
$sql_where1 .= ($sql_where1 != '' ? ' AND':'WHERE') . ' host_id IN (' . implode(', ', $recache_hosts) . ')';
$local_data_ids = db_fetch_assoc_prepared("SELECT *
FROM data_local
$sql_where1",
$sql_params1);
replicate_table_to_poller($db_cnn_id, $local_data_ids, 'data_local');
$local_graph_ids = db_fetch_assoc_prepared("SELECT *
FROM graph_local
$sql_where1",
$sql_params1);
replicate_table_to_poller($db_cnn_id, $local_graph_ids, 'graph_local');
$host_snmp_cache = db_fetch_assoc_prepared("SELECT *
FROM host_snmp_cache
$sql_where1",
$sql_params1);
replicate_table_to_poller($db_cnn_id, $host_snmp_cache, 'host_snmp_cache');
// TODO: Make schema's equivalent renamed snmp_query_id to data_query_id everywhere
$sql_where1 = str_replace('snmp_query_id', 'data_query_id', $sql_where1);
$poller_reindex = db_fetch_assoc_prepared("SELECT *
FROM poller_reindex
$sql_where1",
$sql_params1);
replicate_table_to_poller($db_cnn_id, $poller_reindex, 'poller_reindex', array('assert_value'));
}
}
function replicate_table_to_poller($conn, &$data, $table, $exclude = false) {
$max_packet = db_fetch_row("SHOW GLOBAL VARIABLES LIKE 'max_allowed_packet'", true, $conn);
if (cacti_sizeof($max_packet)) {
$max_packet = $max_packet['Value'];
} else {
$max_packet = 2500000;
}
if (cacti_sizeof($data)) {
$prefix = "INSERT INTO $table (";
$suffix = ' ON DUPLICATE KEY UPDATE ';
$sql = '';
$colcnt = 0;
$rows_done = 0;
$columns = array_keys($data[0]);
$skipcols = array();
$remote_rows = db_fetch_cell("SELECT COUNT(*) FROM $table", '', true, $conn);
if ($exclude !== false && !is_array($exclude)) {
$exclude = array($exclude);
}
if ($remote_rows == 0) {
$exclude = false;
}
// Find columns to skip from updates
foreach ($columns as $index => $c) {
if (!db_column_exists($table, $c, false, $conn)) {
$skipcols[$index] = $c;
} elseif ($exclude !== false && array_search($c, $exclude, true) === true) {
// Do not update this column
} else {
$prefix .= ($colcnt > 0 ? ', ':'') . $c;
$suffix .= ($colcnt > 0 ? ', ':'') . "$c=VALUES($c)";
$colcnt++;
}
}
$prefix .= ') VALUES ';
$rowcnt = 0;
$ohead = strlen($prefix) + strlen($suffix);
$sqllen = $ohead;
foreach ($data as $row) {
$colcnt = 0;
$sql_row = '(';
foreach ($row as $col => $value) {
if (array_search($col, $skipcols, true) === false) {
$sql_row .= ($colcnt > 0 ? ', ':'') . db_qstr($value);
$colcnt++;
}
}
$sql_row .= ')';
$sql .= ($rowcnt > 0 ? ', ':'') . $sql_row;
$rowcnt++;
$sqllen += strlen($sql_row);
if ($rowcnt > 150000 || ($sqllen + 1000 > $max_packet)) {
db_execute($prefix . $sql . $suffix, true, $conn);
$rows_done += db_affected_rows($conn);
$sql = '';
$rowcnt = 0;
$sqllen = $ohead;
}
}
if ($rowcnt > 0) {
db_execute($prefix . $sql . $suffix, true, $conn);
$rows_done += db_affected_rows($conn);
}
cacti_log('NOTE: Table ' . $table . ' Replicated to Poller With ' . $rows_done . ' Rows Updated', true, 'REPLICATE', POLLER_VERBOSITY_MEDIUM);
}
}
function poller_recovery_flush_boost($poller_id) {
global $config;
if ($poller_id > 1) {
if ($config['connection'] == 'recovery') {
$command_string = cacti_escapeshellcmd(read_config_option('path_php_binary'));
$extra_args = '-q ' . cacti_escapeshellarg(CACTI_PATH_BASE . '/poller_recovery.php');
exec_background($command_string, $extra_args);
}
}
}
function poller_push_data_to_main() {
global $config, $remote_db_cnn_id;
if ($config['poller_id'] > 1) {
$host_records = db_fetch_assoc_prepared('SELECT id, snmp_sysDescr, snmp_sysObjectID,
snmp_sysUpTimeInstance, snmp_sysContact, snmp_sysName, snmp_sysLocation,
status, status_event_count, status_fail_date, status_rec_date,
status_last_error, min_time, max_time, cur_time, avg_time, polling_time,
total_polls, failed_polls, availability, last_updated
FROM host
WHERE poller_id = ?',
array($config['poller_id']));
$updates = array(
'snmp_sysDescr',
'snmp_sysObjectID',
'snmp_sysUpTimeInstance',
'snmp_sysContact',
'snmp_sysName',
'snmp_sysLocation',
'status',
'status_event_count',
'status_fail_date',
'status_rec_date',
'status_last_error',
'min_time',
'max_time',
'cur_time',
'avg_time',
'polling_time',
'total_polls',
'failed_polls',
'availability',
'last_updated'
);
poller_push_table($remote_db_cnn_id, $host_records, 'host', true, $updates);
$poller_item_records = db_fetch_assoc_prepared('SELECT local_data_id, host_id, rrd_name, rrd_step, rrd_next_step
FROM poller_item
WHERE poller_id = ?',
array($config['poller_id']));
$updates = array(
'rrd_next_step'
);
poller_push_table($remote_db_cnn_id, $poller_item_records, 'poller_item', true, $updates);
}
}
function poller_push_table($db_cnn, $records, $table, $ignore = false, $dupes = array()) {
$prefix = 'INSERT ' . ($ignore ? 'IGNORE':'') . ' INTO ' . $table . ' ';
$first = true;
$dupe = '';
if (cacti_sizeof($records)) {
foreach ($records as $r) {
if ($first) {
$prefix .= '(`' . implode('`,`', array_keys($r)) . '`) VALUES ';
$first = false;
}
$string = '(';
foreach ($r as $c) {
$string .= ($string == '(' ? '':', ') . db_qstr($c);
}
$string .= ')';
$sql[] = $string;
}
if (cacti_sizeof($dupes)) {
$dupe = ' ON DUPLICATE KEY UPDATE ';
$i = 0;
foreach ($dupes as $item) {
$dupe .= ($i == 0 ? '':', ') . "$item=VALUES($item)";
$i++;
}
}
$sqln = array_chunk($sql, 1000);
foreach ($sqln as $sql) {
$osql = implode(',', $sql);
db_execute($prefix . $osql . $dupe, true, $db_cnn);
}
}
return cacti_sizeof($records);
}
/**
* remote_poller_up - Given a remote poller id, check if it has responded
* recently, and if so, return true else return false.
*
* @param (int) The remote poller id
* @param mixed $poller_id
*
* @returns (bool) True if up else false
*/
function remote_poller_up($poller_id) {
$gone_time = read_config_option('poller_interval') * 2;
if (empty($poller_id) || $poller_id <= 1) {
return false;
}
$up_poller = db_fetch_cell_prepared('SELECT COUNT(*)
FROM poller
WHERE UNIX_TIMESTAMP() - UNIX_TIMESTAMP(last_status) < ?
AND id = ?
AND disabled = ""',
array($gone_time, $poller_id));
if ($up_poller) {
return true;
} else {
return false;
}
}
function should_ignore_from_replication($path) {
$entry = basename($path);
return ($entry == '.' || $entry == '..' || $entry == '.git' || $entry == '');
}
function get_remote_poller_ids_from_graphs(&$graphs) {
if (cacti_sizeof($graphs)) {
$graphs = implode(', ', $graphs);
}
if ($graphs != '') {
return array_rekey(
db_fetch_assoc('SELECT DISTINCT poller_id
FROM host AS h
INNER JOIN graph_local AS gl
ON h.id = gl.host_id
WHERE poller_id != 1
AND gl.id IN (' . $graphs . ')'),
'poller_id', 'poller_id'
);
} else {
return array();
}
}
function get_remote_poller_ids_from_data_sources(&$data_sources) {
if (cacti_sizeof($data_sources)) {
$data_sources = implode(', ', $data_sources);
}
if ($data_sources != '') {
return array_rekey(
db_fetch_assoc('SELECT DISTINCT poller_id
FROM host AS h
INNER JOIN data_local AS dl
ON h.id = dl.host_id
WHERE poller_id != 1
AND dl.id IN (' . $data_sources . ')'),
'poller_id', 'poller_id'
);
} else {
return array();
}
}
function get_remote_poller_ids_from_devices(&$devices) {
if (cacti_sizeof($devices)) {
$devices = implode(', ', $devices);
}
if ($devices != '') {
return array_rekey(
db_fetch_assoc('SELECT DISTINCT poller_id
FROM host AS h
WHERE poller_id != 1
AND id IN (' . $devices . ')'),
'poller_id', 'poller_id'
);
} else {
return array();
}
}
/**
* register_process_start - public function to register a process
* in Cacti's process table
*
* @param (string) $tasktype - Mandatory task type
* @param (string) $taskname - Mandatory task name
* @param (int) $taskid - Optional task id
* @param (int) $timeout - Optional timeout
*
* @return (bool) success - true if you can start running, else false if
* another version is running and has not ended.
*/
function register_process_start($tasktype, $taskname, $taskid = 0, $timeout = 300) {
$pid = getmypid();
if (!db_table_exists('processes')) {
// We return true here because we assume there is no process blocking start
return true;
}
$r = db_fetch_row_prepared('SELECT *,
IF(UNIX_TIMESTAMP(started) + timeout < UNIX_TIMESTAMP(), UNIX_TIMESTAMP(started), 0) AS timeout_exceeded,
UNIX_TIMESTAMP() AS `current_timestamp`
FROM processes
WHERE tasktype = ?
AND taskname = ?
AND taskid = ?',
array($tasktype, $taskname, $taskid));
if (!cacti_sizeof($r)) {
cacti_log(sprintf('NOTE: Registering process! (%s, %s, %s, %s)', $tasktype, $taskname, $taskid, $pid), false, 'POLLER', POLLER_VERBOSITY_MEDIUM);
register_process($tasktype, $taskname, $taskid, $pid, $timeout);
} elseif ($r['timeout_exceeded']) {
if ($r['pid'] > 0) {
cacti_log(sprintf('ERROR: Process being killed due to timeout! (%s, %s, %s, Process %s, Time %s, Timeout %s, Timestamp %s)', $tasktype, $taskname, $taskid, $r['pid'], $r['timeout_exceeded'], $r['timeout'], $r['current_timestamp']), false, 'POLLER');
posix_kill($r['pid'], SIGTERM);
unregister_process($tasktype, $taskname, $taskid);
register_process($tasktype, $taskname, $taskid, $pid, $timeout);
} else {
// Should never be reached
cacti_log(sprintf('ERROR: Failed registering process. Invalid pid found. Unable to kill! (%s, %s, %s, %s)', $tasktype, $taskname, $taskid, $r['pid']), false, 'POLLER');
return false;
}
} elseif ($r['pid'] > 0 && posix_kill($r['pid'], 0)) {
cacti_log(sprintf('NOTE: Failed registering process. Old process still running and has not timed out! (%s, %s, %s, %s)', $tasktype, $taskname, $taskid, $pid), false, 'POLLER', POLLER_VERBOSITY_MEDIUM);
return false;
} else {
cacti_log(sprintf('WARNING: Detected process that is exited and did not unregister first! (%s, %s, %s, %s)', $tasktype, $taskname, $taskid, $pid), false, 'POLLER');
unregister_process($tasktype, $taskname, $taskid);
register_process($tasktype, $taskname, $taskid, $pid, $timeout);
}
return true;
}
/**
* register_process - register a process in Cacti's process table
*
* @param (string) $tasktype - Mandatory task type
* @param (string) $taskname - Mandatory task name
* @param (int) $taskid - Mandatory task id
* @param (int) $pid - Mandatory pid
* @param (int) $timeout - Mandatory timeout
*
* @return (void)
*/
function register_process($tasktype, $taskname, $taskid, $pid, $timeout) {
if (!db_table_exists('processes')) {
return true;
}
db_execute_prepared('INSERT INTO processes (tasktype, taskname, taskid, pid, timeout, started, last_update)
VALUES (?, ?, ?, ?, ?, NOW(), NOW())',
array($tasktype, $taskname, $taskid, $pid, $timeout));
}
/**
* unregister_process - remove a process from Cacti's process table
*
* @param (string) $tasktype - Mandatory task type
* @param (string) $taskname - Mandatory task name
* @param (int) $taskid - Optional task id
* @param (int) $pid - Optional task pid
*
* @return (void)
*/
function unregister_process($tasktype, $taskname, $taskid = 0, $pid = -1) {
if (!db_table_exists('processes')) {
return true;
}
if ($pid == -1) {
db_execute_prepared('DELETE FROM processes
WHERE tasktype = ?
AND taskname = ?
AND taskid = ?',
array($tasktype, $taskname, $taskid));
} else {
db_execute_prepared('DELETE FROM processes
WHERE tasktype = ?
AND taskname = ?
AND taskid = ?
AND pid = ?',
array($tasktype, $taskname, $taskid, $pid));
}
}
/**
* heartbeat_process - update the process table last_update timestamp
*
* @param (string) $tasktype - Mandatory task type
* @param (string) $taskname - Mandatory task name
* @param (int) $taskid - Optional task id
*
* @return (void)
*/
function heartbeat_process($tasktype, $taskname, $taskid = 0) {
if (!db_table_exists('processes')) {
return true;
}
db_execute_prepared('UPDATE processes
SET last_update = NOW()
WHERE tasktype = ?
AND taskname = ?
AND taskid = ?',
array($tasktype, $taskname, $taskid));
}
/**
* timeout_kill_registered_processes - allow a Cacti plugin or scheduled task to
* be bulk cleaned.
*
* @param (string) $tasktype - Optional task type
* @param (string) $taskname - Optional task name
* @param (string) $taskid - Optional task id
* @param (string) $pid - Optional pid
*
* @return (void)
*/
function timeout_kill_registered_processes($tasktype = '', $taskname = '', $taskid = 0, $pid = -1) {
if (!db_table_exists('processes')) {
return true;
}
$sql_where = '';
$params = array();
if ($tasktype != '') {
$sql_where .= ' AND tasktype = ?';
$params[] = $tasktype;
}
if ($taskname != '') {
$sql_where .= ' AND taskname = ?';
$params[] = $taskname;
}
if ($taskid != '') {
$sql_where .= ' AND taskid = ?';
$params[] = $taskid;
}
if ($pid != '') {
$sql_where .= ' AND pid = ?';
$params[] = $pid;
}
$processes = db_fetch_assoc_prepared("SELECT *
FROM processes
WHERE UNIX_TIMESTAMP() > FROM_UNIXTIME(started) + timeout
$sql_where", $params);
if (cacti_sizeof($processes)) {
foreach ($processes as $r) {
if ($r['pid'] > 0 && posix_kill($r['pid'], 0)) {
cacti_log(sprintf('ERROR: Process killed due to timeout! (%s, %s, %s, %s)', $r['tasktype'], $r['taskname'], $r['taskid'], $r['pid']), false, 'POLLER');
posix_kill($r['pid'], SIGTERM);
} else {
cacti_log(sprintf('ERROR: Detected process that is gone and did not unregister first! (%s, %s, %s, %s)', $r['tasktype'], $r['taskname'], $r['taskid'], $r['pid']), false, 'POLLER');
}
unregister_process($r['tasktype'], $r['taskname'], $r['taskid'], $r['pid']);
}
}
}