function discover_new_device_ip($host)
{
global $config;
if (match_network($config['autodiscovery']['ip_nets'], $host)) {
if (isPingable($host)) {
echo "Pingable ";
foreach ($config['snmp']['community'] as $community) {
$device = deviceArray($host, $community, "v2c", "161", "udp", NULL);
print_message("Trying community {$community} ...");
if (isSNMPable($device)) {
echo "SNMPable ";
$snmphost = snmp_get($device, "sysName.0", "-Oqv", "SNMPv2-MIB");
if (dbFetchCell("SELECT COUNT(device_id) FROM devices WHERE sysName = ?", array($snmphost)) == '0') {
$device_id = createHost($snmphost, $community, "v2c", "161", "udp");
$device = device_by_id_cache($device_id, 1);
array_push($GLOBALS['devices'], $device);
return $device_id;
} else {
echo "Already have host with sysName {$snmphost}\n";
}
}
}
}
}
}
function perform_snmp_scan($net)
{
global $stats, $config, $debug, $vdebug;
echo 'Range: ' . $net->network . '/' . $net->bitmask . PHP_EOL;
$config['snmp']['timeout'] = 1;
$config['snmp']['retries'] = 0;
$config['fping_options']['retries'] = 0;
$start = ip2long($net->network);
$end = ip2long($net->broadcast) - 1;
while ($start++ < $end) {
$stats['count']++;
$host = long2ip($start);
if (match_network($config['autodiscovery']['nets-exclude'], $host)) {
echo '|';
continue;
}
$test = isPingable($host);
if ($test['result'] === false) {
echo '.';
continue;
}
if (ip_exists($host)) {
$stats['known']++;
echo '*';
continue;
}
foreach (array('udp', 'tcp') as $transport) {
try {
addHost(gethostbyaddr($host), '', $config['snmp']['port'], $transport, $config['distributed_poller_group']);
$stats['added']++;
echo '+';
break;
} catch (HostExistsException $e) {
$stats['known']++;
echo '*';
break;
} catch (HostUnreachablePingException $e) {
echo '.';
break;
} catch (HostUnreachableException $e) {
if ($debug) {
print_error($e->getMessage() . " over {$transport}");
foreach ($e->getReasons() as $reason) {
echo " {$reason}\n";
}
}
if ($transport == 'tcp') {
// tried both udp and tcp without success
$stats['failed']++;
echo '-';
}
}
}
}
echo PHP_EOL;
}
/**
* Observium
*
* This file is part of Observium.
*
* @package observium
* @subpackage discovery
* @subpackage functions
* @author Adam Armstrong <*****@*****.**>
* @copyright (C) 2006-2014 Adam Armstrong
*
*/
function discover_new_device_ip($host, $source = 'xdp', $protocol = NULL, $device = NULL, $port = NULL)
{
global $config;
print_debug("Discovering possible new device on {$host}");
if ($config['autodiscovery'][$source]) {
if (match_network($config['autodiscovery']['ip_nets'], $host)) {
$db = dbFetchRow("SELECT * FROM ipv4_addresses AS A, ports AS P, devices AS D WHERE A.ipv4_address = ? AND P.port_id = A.port_id AND D.device_id = P.device_id", array($host));
if (is_array($db)) {
print_debug("Already have {$host} on " . $db['hostname']);
} else {
if (isPingable($host)) {
echo "Pingable ";
foreach ($config['snmp']['community'] as $community) {
$newdevice = deviceArray($host, $community, "v2c", "161", "udp", NULL);
print_message("Trying community {$community} ...");
if (isSNMPable($newdevice)) {
echo "SNMPable ";
$snmphost = snmp_get($newdevice, "sysName.0", "-Oqv", "SNMPv2-MIB");
if (dbFetchCell("SELECT COUNT(device_id) FROM devices WHERE sysName = ?", array($snmphost)) == '0') {
$device_id = createHost($snmphost, $community, "v2c", "161", "udp");
$newdevice = device_by_id_cache($device_id, 1);
array_push($GLOBALS['devices'], $newdevice);
if (!$protocol) {
$protocol = strtoupper($source);
}
if ($port) {
humanize_port($port);
log_event("Device autodiscovered through {$protocol} on " . $device['hostname'] . " (port " . $port['label'] . ")", $remote_device_id, 'interface', $port['port_id']);
} else {
log_event("Device autodiscovered through {$protocol} on " . $device['hostname'], $remote_device_id);
}
return $device_id;
} else {
echo "Already have host with sysName {$snmphost}\n";
}
}
}
} else {
print_debug("IP not pingable.");
}
}
} else {
print_debug("Host does not match configured nets");
}
} else {
print_debug("Source {$source} disabled for autodiscovery!");
}
}
function perform_snmp_scan($net)
{
global $stats, $config, $quiet;
echo 'Range: ' . $net->network . '/' . $net->bitmask . PHP_EOL;
$config['snmp']['timeout'] = 1;
$config['snmp']['retries'] = 0;
$config['fping_options']['retries'] = 0;
$start = ip2long($net->network);
$end = ip2long($net->broadcast) - 1;
while ($start++ < $end) {
$stats['count']++;
$device_id = false;
$host = long2ip($start);
$test = isPingable($host);
if ($test['result'] === false) {
echo '.';
continue;
}
if (ip_exists($host)) {
$stats['known']++;
echo '*';
continue;
}
foreach (array('udp', 'tcp') as $transport) {
if ($device_id !== false && $device_id > 0) {
$stats['added']++;
echo '+';
} else {
if ($device_id === 0) {
$stats['failed']++;
echo '-';
break;
}
}
$device_id = addHost(gethostbyaddr($host), '', $config['snmp']['port'], $transport, $quiet, $config['distributed_poller_group'], 0);
}
}
echo PHP_EOL;
}
function add_device($host, $snmpver = array(), $port = '161', $transport = 'udp', $error = FALSE)
{
global $config;
// If $error set as TRUE break recursive function execute
if ($error) {
return FALSE;
}
// Reset snmp timeout and retries options for speedup device adding
unset($config['snmp']['timeout'], $config['snmp']['retries']);
list($hostshort) = explode(".", $host);
// Test if host exists in database
if (dbFetchCell("SELECT COUNT(*) FROM `devices` WHERE `hostname` = ?", array($host)) == '0') {
// Test DNS lookup.
if (gethostbyname6($host, TRUE)) {
// Test reachability
if (isPingable($host)) {
// Test directory exists in /rrd/
if (!$config['rrd_override'] && file_exists($config['rrd_dir'] . '/' . $host)) {
print_error("目录 rrd/{$host} 已经存在.");
return FALSE;
}
if (empty($snmpver)) {
foreach (array('v2c', 'v3', 'v1') as $snmpver) {
// Try SNMP v2c, v3 and v1
$ret = add_device($host, $snmpver, $port, $transport, $error);
if ($ret === FALSE) {
$error = TRUE;
} elseif (is_numeric($ret) && $ret > 0) {
return $ret;
}
}
}
if ($snmpver === "v3") {
// Try each set of parameters from config
foreach ($config['snmp']['v3'] as $v3) {
$device = deviceArray($host, NULL, $snmpver, $port, $transport, $v3);
print_message("Trying v3 parameters " . $v3['authname'] . "/" . $v3['authlevel'] . " ... ");
if (isSNMPable($device)) {
if (!check_device_duplicated($device)) {
$device_id = createHost($host, NULL, $snmpver, $port, $transport, $v3);
return $device_id;
}
} else {
print_warning("证书没有回应 " . $v3['authname'] . "/" . $v3['authlevel'] . " using {$snmpver}.");
}
}
} elseif ($snmpver === "v2c" || $snmpver === "v1") {
// Try each community from config
foreach ($config['snmp']['community'] as $community) {
$device = deviceArray($host, $community, $snmpver, $port, $transport, NULL);
print_message("尝试 {$snmpver} community {$community} ...");
if (isSNMPable($device)) {
if (!check_device_duplicated($device)) {
$device_id = createHost($host, $community, $snmpver, $port, $transport);
return $device_id;
}
} else {
print_warning("Community 没有应答 {$community} 使用 {$snmpver}.");
}
}
} else {
print_error("不支持的协议版本 \"{$snmpver}\".");
}
if (!$device_id) {
// Failed SNMP
print_error("不可到达的 {$host} 与给定 SNMP community 使用 {$snmpver}.");
}
} else {
// failed Reachability
print_error("无法 ping {$host}.");
}
} else {
// Failed DNS lookup
print_error("无法解析 {$host}.");
}
} else {
// found in database
print_error("已有设备 {$host}.");
}
return FALSE;
}
function poll_device($device, $options)
{
global $config, $device, $polled_devices, $db_stats, $memcache;
$attribs = get_dev_attribs($device['device_id']);
$status = 0;
unset($array);
$device_start = utime();
// Start counting device poll time
echo $device['hostname'] . ' ' . $device['device_id'] . ' ' . $device['os'] . ' ';
if ($config['os'][$device['os']]['group']) {
$device['os_group'] = $config['os'][$device['os']]['group'];
echo '(' . $device['os_group'] . ')';
}
echo "\n";
unset($poll_update);
unset($poll_update_query);
unset($poll_separator);
$poll_update_array = array();
$update_array = array();
$host_rrd = $config['rrd_dir'] . '/' . $device['hostname'];
if (!is_dir($host_rrd)) {
mkdir($host_rrd);
echo "Created directory : {$host_rrd}\n";
}
$address_family = snmpTransportToAddressFamily($device['transport']);
$ping_response = isPingable($device['hostname'], $address_family, $attribs);
$device_perf = $ping_response['db'];
$device_perf['device_id'] = $device['device_id'];
$device_perf['timestamp'] = array('NOW()');
if (can_ping_device($attribs) === true && is_array($device_perf)) {
dbInsert($device_perf, 'device_perf');
}
$device['pingable'] = $ping_response['result'];
$ping_time = $ping_response['last_ping_timetaken'];
$response = array();
$status_reason = '';
if ($device['pingable']) {
$device['snmpable'] = isSNMPable($device);
if ($device['snmpable']) {
$status = '1';
$response['status_reason'] = '';
} else {
echo 'SNMP Unreachable';
$status = '0';
$response['status_reason'] = 'snmp';
}
} else {
echo 'Unpingable';
$status = '0';
$response['status_reason'] = 'icmp';
}
if ($device['status'] != $status) {
$poll_update .= $poll_separator . "`status` = '{$status}'";
$poll_separator = ', ';
dbUpdate(array('status' => $status, 'status_reason' => $response['status_reason']), 'devices', 'device_id=?', array($device['device_id']));
dbInsert(array('importance' => '0', 'device_id' => $device['device_id'], 'message' => 'Device is ' . ($status == '1' ? 'up' : 'down')), 'alerts');
log_event('Device status changed to ' . ($status == '1' ? 'Up' : 'Down'), $device, $status == '1' ? 'up' : 'down');
}
if ($status == '1') {
$graphs = array();
$oldgraphs = array();
if ($options['m']) {
foreach (explode(',', $options['m']) as $module) {
if (is_file('includes/polling/' . $module . '.inc.php')) {
include 'includes/polling/' . $module . '.inc.php';
}
}
} else {
foreach ($config['poller_modules'] as $module => $module_status) {
if ($attribs['poll_' . $module] || $module_status && !isset($attribs['poll_' . $module])) {
// TODO per-module polling stats
include 'includes/polling/' . $module . '.inc.php';
} else {
if (isset($attribs['poll_' . $module]) && $attribs['poll_' . $module] == '0') {
echo "Module [ {$module} ] disabled on host.\n";
} else {
echo "Module [ {$module} ] disabled globally.\n";
}
}
}
}
//end if
if (!$options['m']) {
// FIXME EVENTLOGGING -- MAKE IT SO WE DO THIS PER-MODULE?
// This code cycles through the graphs already known in the database and the ones we've defined as being polled here
// If there any don't match, they're added/deleted from the database.
// Ideally we should hold graphs for xx days/weeks/polls so that we don't needlessly hide information.
foreach (dbFetch('SELECT `graph` FROM `device_graphs` WHERE `device_id` = ?', array($device['device_id'])) as $graph) {
if (isset($graphs[$graph['graph']])) {
$oldgraphs[$graph['graph']] = true;
} else {
dbDelete('device_graphs', '`device_id` = ? AND `graph` = ?', array($device['device_id'], $graph['graph']));
}
}
foreach ($graphs as $graph => $value) {
if (!isset($oldgraphs[$graph])) {
echo '+';
dbInsert(array('device_id' => $device['device_id'], 'graph' => $graph), 'device_graphs');
}
echo $graph . ' ';
}
}
//end if
$device_end = utime();
$device_run = $device_end - $device_start;
$device_time = substr($device_run, 0, 5);
// TODO: These should be easy converts to rrd_create_update()
// Poller performance rrd
$poller_rrd = $config['rrd_dir'] . '/' . $device['hostname'] . '/poller-perf.rrd';
if (!is_file($poller_rrd)) {
rrdtool_create($poller_rrd, 'DS:poller:GAUGE:600:0:U ' . $config['rrd_rra']);
}
if (!empty($device_time)) {
$fields = array('poller' => $device_time);
rrdtool_update($poller_rrd, $fields);
}
// Ping response rrd
if (can_ping_device($attribs) === true) {
$ping_rrd = $config['rrd_dir'] . '/' . $device['hostname'] . '/ping-perf.rrd';
if (!is_file($ping_rrd)) {
rrdtool_create($ping_rrd, 'DS:ping:GAUGE:600:0:65535 ' . $config['rrd_rra']);
}
if (!empty($ping_time)) {
$fields = array('ping' => $ping_time);
rrdtool_update($ping_rrd, $fields);
}
$update_array['last_ping'] = array('NOW()');
$update_array['last_ping_timetaken'] = $ping_time;
}
$update_array['last_polled'] = array('NOW()');
$update_array['last_polled_timetaken'] = $device_time;
// echo("$device_end - $device_start; $device_time $device_run");
echo "Polled in {$device_time} seconds\n";
d_echo('Updating ' . $device['hostname'] . "\n");
d_echo($update_array);
$updated = dbUpdate($update_array, 'devices', '`device_id` = ?', array($device['device_id']));
if ($updated) {
echo "UPDATED!\n";
}
unset($storage_cache);
// Clear cache of hrStorage ** MAYBE FIXME? **
unset($cache);
// Clear cache (unify all things here?)
}
//end if
}
function add_device($host, $snmpver = array(), $port = 161, $transport = 'udp', $error = FALSE)
{
global $config;
// If $error set as TRUE break recursive function execute
if ($error) {
return FALSE;
}
// Reset snmp timeout and retries options for speedup device adding
unset($config['snmp']['timeout'], $config['snmp']['retries']);
$host = trim($host);
list($hostshort) = explode(".", $host);
// Test if host exists in database
if (dbFetchCell("SELECT COUNT(*) FROM `devices` WHERE `hostname` = ?", array($host)) == '0') {
$transport = strtolower($transport);
$try_a = !($transport == 'udp6' || $transport == 'tcp6');
// Use IPv6 only if transport 'udp6' or 'tcp6'
// Test DNS lookup.
$ip = gethostbyname6($host, $try_a);
if ($ip) {
$ip_version = get_ip_version($ip);
// Test reachability
if (isPingable($host)) {
// Test directory exists in /rrd/
if (!$config['rrd_override'] && file_exists($config['rrd_dir'] . '/' . $host)) {
print_error("Directory <observium>/rrd/{$host} already exists.");
return FALSE;
}
// Detect snmp transport
if (stripos($transport, 'tcp') !== FALSE) {
$transport = $ip_version == 4 ? 'tcp' : 'tcp6';
} else {
$transport = $ip_version == 4 ? 'udp' : 'udp6';
}
// Detect snmp port
if (!is_numeric($port) || $port < 1 || $port > 65535) {
$port = 161;
} else {
$port = (int) $port;
}
// Detect snmp version
if (empty($snmpver)) {
// Here set default snmp version order
$i = 1;
$snmpver_order = array();
foreach (array('v2c', 'v3', 'v1') as $snmpver) {
if ($config['snmp']['version'] == $snmpver) {
$snmpver_order[0] = $snmpver;
} else {
$snmpver_order[$i] = $snmpver;
}
$i++;
}
ksort($snmpver_order);
foreach ($snmpver_order as $snmpver) {
$ret = add_device($host, $snmpver, $port, $transport, $error);
if ($ret === FALSE) {
$error = TRUE;
} elseif (is_numeric($ret) && $ret > 0) {
return $ret;
}
}
}
if ($snmpver === "v3") {
// Try each set of parameters from config
foreach ($config['snmp']['v3'] as $v3) {
$device = deviceArray($host, NULL, $snmpver, $port, $transport, $v3);
print_message("Trying v3 parameters " . $v3['authname'] . "/" . $v3['authlevel'] . " ... ");
if (isSNMPable($device)) {
if (!check_device_duplicated($device)) {
$device_id = createHost($host, NULL, $snmpver, $port, $transport, $v3);
return $device_id;
}
} else {
print_warning("No reply on credentials " . $v3['authname'] . "/" . $v3['authlevel'] . " using {$snmpver}.");
}
}
} elseif ($snmpver === "v2c" || $snmpver === "v1") {
// Try each community from config
foreach ($config['snmp']['community'] as $community) {
$device = deviceArray($host, $community, $snmpver, $port, $transport);
print_message("Trying {$snmpver} community {$community} ...");
if (isSNMPable($device)) {
if (!check_device_duplicated($device)) {
$device_id = createHost($host, $community, $snmpver, $port, $transport);
return $device_id;
}
} else {
print_warning("No reply on community {$community} using {$snmpver}.");
}
}
} else {
print_error("Unsupported SNMP Version \"{$snmpver}\".");
}
if (!$device_id) {
// Failed SNMP
print_error("Could not reach {$host} with given SNMP parameters using {$snmpver}.");
}
} else {
// failed Reachability
print_error("Could not ping {$host}.");
}
} else {
// Failed DNS lookup
print_error("Could not resolve {$host}.");
}
} else {
// found in database
print_error("Already got device {$host}.");
}
return FALSE;
}
function discover_new_device($hostname, $source = 'xdp', $protocol = NULL, $device = NULL, $snmp_port = 161)
{
global $config;
$source = strtolower($source);
// Check if source is enabled for autodiscovery
if ($config['autodiscovery'][$source]) {
$flags = OBS_DNS_ALL;
if (!$protocol) {
$protocol = strtoupper($source);
}
print_cli_data("Try discovering host", "{$hostname} through {$protocol}", 3);
// By first detect hostname is IP or domain name (IPv4/6 == 4/6, hostname == FALSE)
$ip_version = get_ip_version($hostname);
if ($ip_version) {
// Hostname is IPv4/IPv6
$use_ip = TRUE;
$ip = $hostname;
} else {
$use_ip = FALSE;
// Add "mydomain" configuration if this resolves, converts switch1 -> switch1.mydomain.com
if (!empty($config['mydomain']) && isDomainResolves($hostname . '.' . $config['mydomain'], $flags)) {
$hostname .= '.' . $config['mydomain'];
}
// Determine v4 vs v6
$ip = gethostbyname6($hostname, $flags);
if ($ip) {
$ip_version = get_ip_version($ip);
print_debug("Host {$hostname} resolved as {$ip}");
} else {
// No DNS records
print_debug("Host {$hostname} not resolved, autodiscovery fails.");
return FALSE;
}
}
if ($ip_version == 6) {
$flags = $flags ^ OBS_DNS_A;
// Exclude IPv4
}
if (isset($config['autodiscovery']['ping_skip']) && $config['autodiscovery']['ping_skip']) {
$flags = $flags | OBS_PING_SKIP;
// Add skip pings flag
}
if (match_network($ip, $config['autodiscovery']['ip_nets'])) {
print_debug("Host {$hostname} ({$ip}) founded inside configured nets, trying to add:");
// By first check if pingable
$pingable = isPingable($ip, $flags);
if (!$pingable && (isset($config['autodiscovery']['ping_skip']) && $config['autodiscovery']['ping_skip'])) {
$flags = $flags | OBS_PING_SKIP;
// Add skip pings flag if allowed in config
$pingable = TRUE;
}
if ($pingable) {
// Check if device duplicated by IP
$ip = $ip_version == 4 ? $ip : Net_IPv6::uncompress($ip, TRUE);
$db = dbFetchRow('SELECT D.`hostname` FROM ipv' . $ip_version . '_addresses AS A
LEFT JOIN `ports` AS P ON A.`port_id` = P.`port_id`
LEFT JOIN `devices` AS D ON D.`device_id` = P.`device_id`
WHERE D.`disabled` = 0 AND A.`ipv' . $ip_version . '_address` = ?', array($ip));
if ($db) {
print_debug('Already have device ' . $db['hostname'] . " with IP {$ip}");
return FALSE;
}
// Detect snmp transport, net-snmp needs udp6 for ipv6
$snmp_transport = $ip_version == 4 ? 'udp' : 'udp6';
$new_device = detect_device_snmpauth($ip, $snmp_port, $snmp_transport);
if ($new_device) {
if ($use_ip) {
// Detect FQDN hostname
// by sysName
$snmphost = snmp_get($new_device, 'sysName.0', '-Oqv', 'SNMPv2-MIB');
if ($snmphost) {
$snmp_ip = gethostbyname6($snmphost, $flags);
}
if ($snmp_ip == $ip) {
$hostname = $snmphost;
} else {
// by PTR
$ptr = gethostbyaddr6($ip);
if ($ptr) {
$ptr_ip = gethostbyname6($ptr, $flags);
}
if ($ptr && $ptr_ip == $ip) {
$hostname = $ptr;
} else {
if ($config['autodiscovery']['require_hostname']) {
print_debug("Device IP {$ip} does not seem to have FQDN.");
return FALSE;
} else {
$hostname = $ip_version == 4 ? $ip : Net_IPv6::compress($hostname, TRUE);
// Always use compressed IPv6 name
}
}
}
print_debug("Device IP {$ip} linked to FQDN name: {$hostname}");
}
$new_device['hostname'] = $hostname;
if (!check_device_duplicated($new_device)) {
$snmp_v3 = array();
if ($new_device['snmp_version'] === 'v3') {
$snmp_v3['snmp_authlevel'] = $new_device['snmp_authlevel'];
$snmp_v3['snmp_authname'] = $new_device['snmp_authname'];
$snmp_v3['snmp_authpass'] = $new_device['snmp_authpass'];
$snmp_v3['snmp_authalgo'] = $new_device['snmp_authalgo'];
$snmp_v3['snmp_cryptopass'] = $new_device['snmp_cryptopass'];
$snmp_v3['snmp_cryptoalgo'] = $new_device['snmp_cryptoalgo'];
}
$remote_device_id = createHost($new_device['hostname'], $new_device['snmp_community'], $new_device['snmp_version'], $new_device['snmp_port'], $new_device['snmp_transport'], $snmp_v3);
if ($remote_device_id) {
if (is_flag_set(OBS_PING_SKIP, $flags)) {
set_entity_attrib('device', $remote_device_id, 'ping_skip', 1);
}
$remote_device = device_by_id_cache($remote_device_id, 1);
if ($port) {
humanize_port($port);
log_event("Device autodiscovered through {$protocol} on " . $device['hostname'] . " (port " . $port['port_label'] . ")", $remote_device_id, 'port', $port['port_id']);
} else {
log_event("Device autodiscovered through {$protocol} on " . $device['hostname'], $remote_device_id, $protocol);
}
//array_push($GLOBALS['devices'], $remote_device); // createHost() already puth this
return $remote_device_id;
}
}
}
}
} else {
print_debug("IP {$ip} ({$hostname}) not permitted inside \$config['autodiscovery']['ip_nets'] in config.php");
}
print_debug('Autodiscovery for host ' . $hostname . ' failed.');
} else {
print_debug('Autodiscovery for protocol ' . $protocol . ' disabled.');
}
return FALSE;
}
function poll_device($device, $options)
{
global $config, $device, $polled_devices, $db_stats, $exec_status, $alert_rules, $alert_table, $graphs, $attribs;
$alert_metrics = array();
$oid_cache = array();
$old_device_state = unserialize($device['device_state']);
$attribs = get_entity_attribs('device', $device['device_id']);
$pid_info = check_process_run($device);
// This just clear stalled DB entries
add_process_info($device);
// Store process info
$alert_rules = cache_alert_rules();
$alert_table = cache_device_alert_table($device['device_id']);
if (OBS_DEBUG > 1 && (count($alert_rules) || count($alert_table))) {
print_vars($alert_rules);
print_vars($alert_table);
}
$status = 0;
$device_start = utime();
// Start counting device poll time
print_cli_heading($device['hostname'] . " [" . $device['device_id'] . "]", 1);
print_cli_data("OS", $device['os'], 1);
if ($config['os'][$device['os']]['group']) {
$device['os_group'] = $config['os'][$device['os']]['group'];
print_cli_data("OS Group", $device['os_group'], 1);
}
if (is_numeric($device['last_polled_timetaken'])) {
print_cli_data("Last poll duration", $device['last_polled_timetaken'] . " seconds", 1);
}
print_cli_data("Last Polled", $device['last_polled'], 1);
print_cli_data("SNMP Version", $device['snmp_version'], 1);
//unset($poll_update); unset($poll_update_query); unset($poll_separator);
$update_array = array();
$host_rrd_dir = $config['rrd_dir'] . "/" . $device['hostname'];
if (!is_dir($host_rrd_dir)) {
mkdir($host_rrd_dir);
echo "Created directory : {$host_rrd_dir}\n";
}
$flags = OBS_DNS_ALL;
if ($device['snmp_transport'] == 'udp6' || $device['snmp_transport'] == 'tcp6') {
$flags = $flags ^ OBS_DNS_A;
}
$attribs['ping_skip'] = isset($attribs['ping_skip']) && $attribs['ping_skip'];
if ($attribs['ping_skip']) {
$flags = $flags | OBS_PING_SKIP;
// Add skip ping flag
}
$device['pingable'] = isPingable($device['hostname'], $flags);
if ($device['pingable']) {
$device['snmpable'] = isSNMPable($device);
if ($device['snmpable']) {
$ping_msg = $attribs['ping_skip'] ? '' : 'PING (' . $device['pingable'] . 'ms) and ';
print_cli_data("Device status", "Device is reachable by " . $ping_msg . "SNMP (" . $device['snmpable'] . "ms)", 1);
$status = "1";
$status_type = '';
} else {
print_cli_data("Device status", "Device is not responding to SNMP requests", 1);
$status = "0";
$status_type = 'snmp';
}
} else {
print_cli_data("Device status", "Device is not responding to PINGs", 1);
$status = "0";
$status_type = 'ping';
}
if ($device['status'] != $status) {
dbUpdate(array('status' => $status), 'devices', 'device_id = ?', array($device['device_id']));
// dbInsert(array('importance' => '0', 'device_id' => $device['device_id'], 'message' => "Device is " .($status == '1' ? 'up' : 'down')), 'alerts');
$event_msg = 'Device status changed to ';
if ($status == '1') {
// Device Up, Severity Warning (4)
$event_msg .= 'Up';
$event_severity = 4;
} else {
// Device Down, Severity Error (3)!
$event_msg .= 'Down';
$event_severity = 3;
}
if ($status_type != '') {
$event_msg .= ' (' . $status_type . ')';
}
log_event($event_msg, $device, 'device', $device['device_id'], $event_severity);
}
rrdtool_update_ng($device, 'status', array('status' => $status));
if (!$attribs['ping_skip']) {
// Ping response RRD database.
rrdtool_update_ng($device, 'ping', array('ping' => $device['pingable'] ? $device['pingable'] : 'U'));
}
// SNMP response RRD database.
rrdtool_update_ng($device, 'ping_snmp', array('ping_snmp' => $device['snmpable'] ? $device['snmpable'] : 'U'));
$alert_metrics['device_status'] = $status;
$alert_metrics['device_status_type'] = $status_type;
$alert_metrics['device_ping'] = $device['pingable'];
// FIXME, when ping skipped, here always 0.001
$alert_metrics['device_snmp'] = $device['snmpable'];
if ($status == "1") {
// Arrays for store and check enabled/disabled graphs
$graphs = array();
$graphs_db = array();
foreach (dbFetchRows("SELECT * FROM `device_graphs` WHERE `device_id` = ?", array($device['device_id'])) as $entry) {
$graphs_db[$entry['graph']] = isset($entry['enabled']) ? (bool) $entry['enabled'] : TRUE;
}
if (!$attribs['ping_skip']) {
// Enable Ping graphs
$graphs['ping'] = TRUE;
}
// Enable SNMP graphs
$graphs['ping_snmp'] = TRUE;
// Run these base modules always and before all other modules!
$poll_modules = array('system', 'os');
$mods_disabled_global = array();
$mods_disabled_device = array();
$mods_excluded = array();
if ($options['m']) {
foreach (explode(',', $options['m']) as $module) {
$module = trim($module);
if (in_array($module, $poll_modules)) {
continue;
}
// Skip already added modules
if ($module == 'unix-agent') {
array_unshift($poll_modules, $module);
// Add 'unix-agent' before all
continue;
}
if (is_file($config['install_dir'] . "/includes/polling/{$module}.inc.php")) {
$poll_modules[] = $module;
}
}
} else {
foreach ($config['poller_modules'] as $module => $module_status) {
if (in_array($module, $poll_modules)) {
continue;
}
// Skip already added modules
if ($attribs['poll_' . $module] || $module_status && !isset($attribs['poll_' . $module])) {
if (poller_module_excluded($device, $module)) {
$mods_excluded[] = $module;
//print_warning("Module [ $module ] excluded for device.");
continue;
}
if ($module == 'unix-agent') {
array_unshift($poll_modules, $module);
// Add 'unix-agent' before all
continue;
}
if (is_file($config['install_dir'] . "/includes/polling/{$module}.inc.php")) {
$poll_modules[] = $module;
}
} elseif (isset($attribs['poll_' . $module]) && !$attribs['poll_' . $module]) {
$mods_disabled_device[] = $module;
//print_warning("Module [ $module ] disabled on device.");
} else {
$mods_disabled_global[] = $module;
//print_warning("Module [ $module ] disabled globally.");
}
}
}
if (count($mods_excluded)) {
print_cli_data("Modules Excluded", implode(", ", $mods_excluded), 1);
}
if (count($mods_disabled_global)) {
print_cli_data("Disabled Globally", implode(", ", $mods_disabled_global), 1);
}
if (count($mods_disabled_device)) {
print_cli_data("Disabled Device", implode(", ", $mods_disabled_global), 1);
}
if (count($poll_modules)) {
print_cli_data("Modules Enabled", implode(", ", $poll_modules), 1);
}
echo PHP_EOL;
foreach ($poll_modules as $module) {
print_debug(PHP_EOL . "including: includes/polling/{$module}.inc.php");
print_cli_heading("Module Start: %R" . $module . "");
$m_start = utime();
include $config['install_dir'] . "/includes/polling/{$module}.inc.php";
$m_end = utime();
$m_run = round($m_end - $m_start, 4);
$device_state['poller_mod_perf'][$module] = $m_run;
print_cli_data("Module time", number_format($m_run, 4) . "s");
echo PHP_EOL;
}
print_cli_heading($device['hostname'] . " [" . $device['device_id'] . "] completed poller modules at " . date("Y-m-d H:i:s"), 1);
// Check and update graphs DB
$graphs_stat = array();
if (!isset($options['m'])) {
// Hardcoded poller performance
$graphs['poller_perf'] = TRUE;
// Delete not exists graphs from DB (only if poller run without modules option)
foreach ($graphs_db as $graph => $value) {
if (!isset($graphs[$graph])) {
dbDelete('device_graphs', "`device_id` = ? AND `graph` = ?", array($device['device_id'], $graph));
unset($graphs_db[$graph]);
$graphs_stat['deleted'][] = $graph;
}
}
}
// Add or update graphs in DB
foreach ($graphs as $graph => $value) {
if (!isset($graphs_db[$graph])) {
dbInsert(array('device_id' => $device['device_id'], 'graph' => $graph, 'enabled' => $value), 'device_graphs');
$graphs_stat['added'][] = $graph;
} else {
if ($value != $graphs_db[$graph]) {
dbUpdate(array('enabled' => $value), 'device_graphs', '`device_id` = ? AND `graph` = ?', array($device['device_id'], $graph));
$graphs_stat['updated'][] = $graph;
} else {
$graphs_stat['checked'][] = $graph;
}
}
}
// Print graphs stats
foreach ($graphs_stat as $key => $stat) {
if (count($stat)) {
print_cli_data('Graphs [' . $key . ']', implode(', ', $stat), 1);
}
}
$device_end = utime();
$device_run = $device_end - $device_start;
$device_time = round($device_run, 4);
$update_array['last_polled'] = array('NOW()');
$update_array['last_polled_timetaken'] = $device_time;
$update_array['device_state'] = serialize($device_state);
#echo("$device_end - $device_start; $device_time $device_run");
print_cli_data("Poller time", $device_time . " seconds", 1);
//print_message(PHP_EOL."Polled in $device_time seconds");
// Only store performance data if we're not doing a single-module poll
if (!$options['m']) {
dbInsert(array('device_id' => $device['device_id'], 'operation' => 'poll', 'start' => $device_start, 'duration' => $device_run), 'devices_perftimes');
rrdtool_update_ng($device, 'perf-poller', array('val' => $device_time));
}
if (OBS_DEBUG) {
echo "Updating " . $device['hostname'] . " - ";
print_vars($update_array);
echo " \n";
}
$updated = dbUpdate($update_array, 'devices', '`device_id` = ?', array($device['device_id']));
if ($updated) {
print_cli_data("Updated Data", implode(", ", array_keys($update_array)), 1);
}
$alert_metrics['device_uptime'] = $device['uptime'];
$alert_metrics['device_rebooted'] = $rebooted;
// 0 - not rebooted, 1 - rebooted
$alert_metrics['device_duration_poll'] = $device['last_polled_timetaken'];
unset($cache_storage);
// Clear cache of hrStorage ** MAYBE FIXME? ** (ok, later)
unset($cache);
// Clear cache (unify all things here?)
}
check_entity('device', $device, $alert_metrics);
echo PHP_EOL;
// Clean
del_process_info($device);
// Remove process info
unset($alert_metrics);
}
function add_device($hostname, $snmp_version = array(), $snmp_port = 161, $snmp_transport = 'udp', $options = array(), $flags = OBS_DNS_ALL)
{
global $config;
// If $options['break'] set as TRUE, break recursive function execute
if (isset($options['break']) && $options['break']) {
return FALSE;
}
$return = FALSE;
// By default return FALSE
// Reset snmp timeout and retries options for speedup device adding
unset($config['snmp']['timeout'], $config['snmp']['retries']);
$snmp_transport = strtolower($snmp_transport);
$hostname = strtolower(trim($hostname));
// Try detect if hostname is IP
switch (get_ip_version($hostname)) {
case 6:
$hostname = Net_IPv6::compress($hostname, TRUE);
// Always use compressed IPv6 name
// Always use compressed IPv6 name
case 4:
if ($config['require_hostname']) {
print_error("Hostname should be a valid resolvable FQDN name. Or set config option \$config['require_hostname'] as FALSE.");
return $return;
}
$ip = $hostname;
break;
default:
if ($snmp_transport == 'udp6' || $snmp_transport == 'tcp6') {
$flags = $flags ^ OBS_DNS_A;
// exclude A
}
// Test DNS lookup.
$ip = gethostbyname6($hostname, $flags);
}
// Test if host exists in database
if (dbFetchCell("SELECT COUNT(*) FROM `devices` WHERE `hostname` = ?", array($hostname)) == '0') {
if ($ip) {
$ip_version = get_ip_version($ip);
// Test reachability
$options['ping_skip'] = isset($options['ping_skip']) && $options['ping_skip'];
if ($options['ping_skip']) {
$flags = $flags | OBS_PING_SKIP;
}
if (isPingable($hostname, $flags)) {
// Test directory exists in /rrd/
if (!$config['rrd_override'] && file_exists($config['rrd_dir'] . '/' . $hostname)) {
print_error("Directory <observium>/rrd/{$hostname} already exists.");
return FALSE;
}
// Detect snmp transport
if (stripos($snmp_transport, 'tcp') !== FALSE) {
$snmp_transport = $ip_version == 4 ? 'tcp' : 'tcp6';
} else {
$snmp_transport = $ip_version == 4 ? 'udp' : 'udp6';
}
// Detect snmp port
if (!is_numeric($snmp_port) || $snmp_port < 1 || $snmp_port > 65535) {
$snmp_port = 161;
} else {
$snmp_port = (int) $snmp_port;
}
// Detect snmp version
if (empty($snmp_version)) {
// Here set default snmp version order
$i = 1;
$snmp_version_order = array();
foreach (array('v2c', 'v3', 'v1') as $tmp_version) {
if ($config['snmp']['version'] == $tmp_version) {
$snmp_version_order[0] = $tmp_version;
} else {
$snmp_version_order[$i] = $tmp_version;
}
$i++;
}
ksort($snmp_version_order);
foreach ($snmp_version_order as $tmp_version) {
$ret = add_device($hostname, $tmp_version, $snmp_port, $snmp_transport, $options);
if ($ret === FALSE) {
// Set $options['break'] for break recursive
$options['break'] = TRUE;
} else {
if (is_numeric($ret) && $ret != 0) {
return $ret;
}
}
}
} else {
if ($snmp_version === "v3") {
// Try each set of parameters from config
foreach ($config['snmp']['v3'] as $snmp_v3) {
$device = build_initial_device_array($hostname, NULL, $snmp_version, $snmp_port, $snmp_transport, $snmp_v3);
print_message("Trying v3 parameters " . $device['snmp_authname'] . "/" . $device['snmp_authlevel'] . " ... ");
if (isSNMPable($device)) {
if (!check_device_duplicated($device)) {
if (isset($options['test']) && $options['test']) {
print_message('%WDevice "' . $hostname . '" has successfully been tested and available by ' . strtoupper($snmp_transport) . ' transport with SNMP ' . $snmp_version . ' credentials.%n', 'color');
$device_id = -1;
} else {
$device_id = createHost($hostname, NULL, $snmp_version, $snmp_port, $snmp_transport, $snmp_v3);
if ($options['ping_skip']) {
set_entity_attrib('device', $device_id, 'ping_skip', 1);
// Force pingable check
if (isPingable($hostname, $flags ^ OBS_PING_SKIP)) {
print_warning("You passed option for skip device is pingable checks, but device available by ismp echo. Check device preferences.");
}
}
}
return $device_id;
}
} else {
print_warning("No reply on credentials " . $device['snmp_authname'] . "/" . $device['snmp_authlevel'] . " using {$snmp_version}.");
}
}
} else {
if ($snmp_version === "v2c" || $snmp_version === "v1") {
// Try each community from config
foreach ($config['snmp']['community'] as $snmp_community) {
$device = build_initial_device_array($hostname, $snmp_community, $snmp_version, $snmp_port, $snmp_transport);
print_message("Trying {$snmp_version} community {$snmp_community} ...");
if (isSNMPable($device)) {
if (!check_device_duplicated($device)) {
if (isset($options['test']) && $options['test']) {
print_message('%WDevice "' . $hostname . '" has successfully been tested and available by ' . strtoupper($snmp_transport) . ' transport with SNMP ' . $snmp_version . ' credentials.%n', 'color');
$device_id = -1;
} else {
$device_id = createHost($hostname, $snmp_community, $snmp_version, $snmp_port, $snmp_transport);
if ($options['ping_skip']) {
set_entity_attrib('device', $device_id, 'ping_skip', 1);
// Force pingable check
if (isPingable($hostname, $flags ^ OBS_PING_SKIP)) {
print_warning("You passed option for skip device is pingable checks, but device available by ismp echo. Check device preferences.");
}
}
}
return $device_id;
}
} else {
print_warning("No reply on community {$snmp_community} using {$snmp_version}.");
$return = 0;
// Return zero for continue trying next auth
}
}
} else {
print_error("Unsupported SNMP Version \"{$snmp_version}\".");
$return = 0;
// Return zero for continue trying next auth
}
}
}
if (!$device_id) {
// Failed SNMP
print_error("Could not reach {$hostname} with given SNMP parameters using {$snmp_version}.");
$return = 0;
// Return zero for continue trying next auth
}
} else {
// failed Reachability
print_error("Could not ping {$hostname}.");
}
} else {
// Failed DNS lookup
print_error("Could not resolve {$hostname}.");
}
} else {
// found in database
print_error("Already got device {$hostname}.");
}
return $return;
}
function poll_device($device, $options)
{
global $config, $debug, $device, $polled_devices, $db_stats, $memcache, $exec_status, $alert_rules, $alert_table;
$oid_cache = array();
$old_device_state = unserialize($device['device_state']);
$attribs = get_dev_attribs($device['device_id']);
$alert_rules = cache_alert_rules();
$alert_table = cache_device_alert_table($device['device_id']);
if ($debug && (count($alert_rules) || count($alert_table))) {
print_vars($alert_rules);
print_vars($alert_table);
}
$status = 0;
unset($array);
$device_start = utime();
// Start counting device poll time
echo $device['hostname'] . " " . $device['device_id'] . " " . $device['os'] . " ";
if ($config['os'][$device['os']]['group']) {
$device['os_group'] = $config['os'][$device['os']]['group'];
echo "(" . $device['os_group'] . ")";
}
echo "\n";
unset($poll_update);
unset($poll_update_query);
unset($poll_separator);
$poll_update_array = array();
$host_rrd = $config['rrd_dir'] . "/" . $device['hostname'];
if (!is_dir($host_rrd)) {
mkdir($host_rrd);
echo "Created directory : {$host_rrd}\n";
}
$device['pingable'] = isPingable($device['hostname']);
if ($device['pingable']) {
$device['snmpable'] = isSNMPable($device);
if ($device['snmpable']) {
$status = "1";
$status_type = '';
} else {
echo "SNMP Unreachable";
$status = "0";
$status_type = ' (snmp)';
}
} else {
echo "Unpingable";
$status = "0";
$status_type = ' (ping)';
}
if ($device['status'] != $status) {
$poll_update .= $poll_separator . "`status` = '{$status}'";
$poll_separator = ", ";
dbUpdate(array('status' => $status), 'devices', 'device_id=?', array($device['device_id']));
dbInsert(array('importance' => '0', 'device_id' => $device['device_id'], 'message' => "Device is " . ($status == '1' ? 'up' : 'down')), 'alerts');
log_event('Device status changed to ' . ($status == '1' ? 'Up' : 'Down') . $status_type, $device, 'system');
notify($device, "Device " . ($status == '1' ? 'Up' : 'Down') . ": " . $device['hostname'] . $status_type, "Device " . ($status == '1' ? 'up' : 'down') . ": " . $device['hostname']);
}
$rrd = $config['rrd_dir'] . "/" . $device['hostname'] . "/status.rrd";
if (!is_file($rrd)) {
rrdtool_create($rrd, "DS:status:GAUGE:600:0:1 ");
}
if ($status == "1" || $status == "0") {
rrdtool_update($rrd, "N:" . $status);
} else {
rrdtool_update($rrd, "N:U");
}
// Ping response RRD database.
$ping_rrd = $config['rrd_dir'] . '/' . $device['hostname'] . '/ping.rrd';
if (!is_file($ping_rrd)) {
rrdtool_create($ping_rrd, "DS:ping:GAUGE:600:0:65535 ");
}
if ($device['pingable']) {
rrdtool_update($ping_rrd, "N:" . $device['pingable']);
} else {
rrdtool_update($ping_rrd, "N:U");
}
// SNMP response RRD database.
$ping_snmp_rrd = $config['rrd_dir'] . '/' . $device['hostname'] . '/ping_snmp.rrd';
if (!is_file($ping_snmp_rrd)) {
rrdtool_create($ping_snmp_rrd, "DS:ping_snmp:GAUGE:600:0:65535 ");
}
if ($device['snmpable']) {
rrdtool_update($ping_snmp_rrd, "N:" . $device['snmpable']);
} else {
rrdtool_update($ping_snmp_rrd, "N:U");
}
if ($status == "1") {
$graphs = array();
$oldgraphs = array();
// Enable Ping graphs
$graphs['ping'] = TRUE;
// Enable SNMP graphs
$graphs['ping_snmp'] = TRUE;
// Run this base modules always and before all other modules!
$poll_modules = array('system', 'os');
if ($options['m']) {
foreach (explode(',', $options['m']) as $module) {
$module = trim($module);
if (in_array($module, $poll_modules)) {
continue;
}
// Skip already added modules
if ($module == 'unix-agent') {
array_unshift($poll_modules, $module);
// Add 'unix-agent' before all
continue;
}
if (is_file($config['install_dir'] . "/includes/polling/{$module}.inc.php")) {
$poll_modules[] = $module;
}
}
} else {
foreach ($config['poller_modules'] as $module => $module_status) {
if (in_array($module, $poll_modules)) {
continue;
}
// Skip already added modules
if ($attribs['poll_' . $module] || $module_status && !isset($attribs['poll_' . $module])) {
if (poller_module_excluded($device, $module)) {
print_warning("Module [ {$module} ] excluded for device.");
continue;
}
if ($module == 'unix-agent') {
array_unshift($poll_modules, $module);
// Add 'unix-agent' before all
continue;
}
if (is_file($config['install_dir'] . "/includes/polling/{$module}.inc.php")) {
$poll_modules[] = $module;
}
} elseif (isset($attribs['poll_' . $module]) && !$attribs['poll_' . $module]) {
print_warning("Module [ {$module} ] disabled on device.");
} else {
print_warning("Module [ {$module} ] disabled globally.");
}
}
}
foreach ($poll_modules as $module) {
print_debug(PHP_EOL . "including: includes/polling/{$module}.inc.php");
$m_start = utime();
include $config['install_dir'] . "/includes/polling/{$module}.inc.php";
$m_end = utime();
$m_run = round($m_end - $m_start, 4);
$device_state['poller_mod_perf'][$module] = number_format($m_run, 4);
print_message("Module time: {$m_run}" . "s");
}
// Fields to notify about in event log - FIXME should move to definitions?
$update_fields = array('version', 'features', 'hardware', 'serial', 'kernel', 'distro', 'distro_ver', 'arch', 'asset_tag', 'icon');
// Log changed variables
foreach ($update_fields as $field) {
if (isset(${$field}) && ${$field} != $device[$field]) {
$update_array[$field] = ${$field};
log_event(ucfirst($field) . " -> " . $update_array[$field], $device, 'system');
}
}
if (!isset($options['m'])) {
// FIXME EVENTLOGGING -- MAKE IT SO WE DO THIS PER-MODULE?
// This code cycles through the graphs already known in the database and the ones we've defined as being polled here
// If there any don't match, they're added/deleted from the database.
// Ideally we should hold graphs for xx days/weeks/polls so that we don't needlessly hide information.
// Hardcoded poller performance
$graphs['poller_perf'] = TRUE;
foreach (dbFetch("SELECT `graph` FROM `device_graphs` WHERE `device_id` = ?", array($device['device_id'])) as $graph) {
if (!isset($graphs[$graph["graph"]])) {
dbDelete('device_graphs', "`device_id` = ? AND `graph` = ?", array($device['device_id'], $graph["graph"]));
} else {
$oldgraphs[$graph["graph"]] = TRUE;
}
}
foreach ($graphs as $graph => $value) {
if (!isset($oldgraphs[$graph])) {
echo "+";
dbInsert(array('device_id' => $device['device_id'], 'graph' => $graph), 'device_graphs');
}
echo $graph . " ";
}
}
$device_end = utime();
$device_run = $device_end - $device_start;
$device_time = round($device_run, 4);
$update_array['last_polled'] = array('NOW()');
$update_array['last_polled_timetaken'] = $device_time;
$update_array['device_state'] = serialize($device_state);
#echo("$device_end - $device_start; $device_time $device_run");
echo "Polled in {$device_time} seconds\n";
// Only store performance data if we're not doing a single-module poll
if (!$options['m']) {
dbInsert(array('device_id' => $device['device_id'], 'operation' => 'poll', 'start' => $device_start, 'duration' => $device_run), 'devices_perftimes');
$poller_rrd = $config['rrd_dir'] . "/" . $device['hostname'] . "/perf-poller.rrd";
if (!is_file($poller_rrd)) {
rrdtool_create($poller_rrd, "DS:val:GAUGE:600:0:38400 ");
}
rrdtool_update($poller_rrd, "N:" . $device_time);
}
if ($debug) {
echo "Updating " . $device['hostname'] . " - ";
print_vars($update_array);
echo " \n";
}
$updated = dbUpdate($update_array, 'devices', '`device_id` = ?', array($device['device_id']));
if ($updated) {
echo "UPDATED!\n";
}
unset($cache_storage);
// Clear cache of hrStorage ** MAYBE FIXME? ** (ok, later)
unset($cache);
// Clear cache (unify all things here?)
}
}
function poll_device($device, $options)
{
global $config, $device, $polled_devices, $db_stats, $memcache, $exec_status, $alert_rules, $alert_table, $graphs, $attribs;
$alert_metrics = array();
$oid_cache = array();
$old_device_state = unserialize($device['device_state']);
$attribs = get_dev_attribs($device['device_id']);
$alert_rules = cache_alert_rules();
$alert_table = cache_device_alert_table($device['device_id']);
if (OBS_DEBUG > 1 && (count($alert_rules) || count($alert_table))) {
print_vars($alert_rules);
print_vars($alert_table);
}
$status = 0;
unset($array);
$device_start = utime();
// Start counting device poll time
echo $device['hostname'] . " " . $device['device_id'] . " " . $device['os'] . " ";
if ($config['os'][$device['os']]['group']) {
$device['os_group'] = $config['os'][$device['os']]['group'];
echo "(" . $device['os_group'] . ")";
}
echo "\n";
unset($poll_update);
unset($poll_update_query);
unset($poll_separator);
$poll_update_array = array();
$host_rrd_dir = $config['rrd_dir'] . "/" . $device['hostname'];
if (!is_dir($host_rrd_dir)) {
mkdir($host_rrd_dir);
echo "创建的目录 : {$host_rrd_dir}\n";
}
$try_a = !($device['snmp_transport'] == 'udp6' || $device['snmp_transport'] == 'tcp6');
// Use IPv6 only if transport 'udp6' or 'tcp6'
$device['pingable'] = isPingable($device['hostname'], $try_a);
if ($device['pingable']) {
$device['snmpable'] = isSNMPable($device);
if ($device['snmpable']) {
$status = "1";
$status_type = '';
} else {
echo "SNMP 无法访问";
$status = "0";
$status_type = 'snmp';
}
} else {
echo "Unpingable";
$status = "0";
$status_type = 'ping';
}
if ($device['status'] != $status) {
$poll_update .= $poll_separator . "`status` = '{$status}'";
$poll_separator = ", ";
dbUpdate(array('status' => $status), 'devices', 'device_id = ?', array($device['device_id']));
dbInsert(array('importance' => '0', 'device_id' => $device['device_id'], 'message' => "设备的 " . ($status == '1' ? 'up' : 'down')), 'alerts');
$event_msg = '设备状态变更为 ';
if ($status == '1') {
// Device Up, Severity Warning (4)
$event_msg .= 'Up';
$event_severity = 4;
} else {
// Device Down, Severity Error (3)!
$event_msg .= 'Down';
$event_severity = 3;
}
if ($status_type != '') {
$event_msg .= ' (' . $status_type . ')';
}
log_event($event_msg, $device, 'device', $device['device_id'], $event_severity);
}
$rrd_filename = "status.rrd";
rrdtool_create($device, $rrd_filename, "DS:status:GAUGE:600:0:1 ");
if ($status == "1" || $status == "0") {
rrdtool_update($device, $rrd_filename, "N:" . $status);
} else {
rrdtool_update($device, $rrd_filename, "N:U");
}
// Ping response RRD database.
$ping_rrd = 'ping.rrd';
rrdtool_create($device, $ping_rrd, "DS:ping:GAUGE:600:0:65535 ");
if ($device['pingable']) {
rrdtool_update($device, $ping_rrd, "N:" . $device['pingable']);
} else {
rrdtool_update($device, $ping_rrd, "N:U");
}
// SNMP response RRD database.
$ping_snmp_rrd = 'ping_snmp.rrd';
rrdtool_create($device, $ping_snmp_rrd, "DS:ping_snmp:GAUGE:600:0:65535 ");
if ($device['snmpable']) {
rrdtool_update($device, $ping_snmp_rrd, "N:" . $device['snmpable']);
} else {
rrdtool_update($device, $ping_snmp_rrd, "N:U");
}
$alert_metrics['device_status'] = $status;
$alert_metrics['device_status_type'] = $status_type;
$alert_metrics['device_ping'] = $device['pingable'];
$alert_metrics['device_snmp'] = $device['snmpable'];
if ($status == "1") {
// Arrays for store and check enabled/disabled graphs
$graphs = array();
$graphs_db = array();
foreach (dbFetchRows("SELECT * FROM `device_graphs` WHERE `device_id` = ?", array($device['device_id'])) as $entry) {
$graphs_db[$entry['graph']] = isset($entry['enabled']) ? (bool) $entry['enabled'] : TRUE;
}
// Enable Ping graphs
$graphs['ping'] = TRUE;
// Enable SNMP graphs
$graphs['ping_snmp'] = TRUE;
// Run these base modules always and before all other modules!
$poll_modules = array('system', 'os');
if ($options['m']) {
foreach (explode(',', $options['m']) as $module) {
$module = trim($module);
if (in_array($module, $poll_modules)) {
continue;
}
// Skip already added modules
if ($module == 'unix-agent') {
array_unshift($poll_modules, $module);
// Add 'unix-agent' before all
continue;
}
if (is_file($config['install_dir'] . "/includes/polling/{$module}.inc.php")) {
$poll_modules[] = $module;
}
}
} else {
foreach ($config['poller_modules'] as $module => $module_status) {
if (in_array($module, $poll_modules)) {
continue;
}
// Skip already added modules
if ($attribs['poll_' . $module] || $module_status && !isset($attribs['poll_' . $module])) {
if (poller_module_excluded($device, $module)) {
print_warning("模块 [ {$module} ] 排除设备.");
continue;
}
if ($module == 'unix-agent') {
array_unshift($poll_modules, $module);
// Add 'unix-agent' before all
continue;
}
if (is_file($config['install_dir'] . "/includes/polling/{$module}.inc.php")) {
$poll_modules[] = $module;
}
} elseif (isset($attribs['poll_' . $module]) && !$attribs['poll_' . $module]) {
print_warning("模块 [ {$module} ] 禁用设备.");
} else {
print_warning("模块 [ {$module} ] 禁用全局.");
}
}
}
foreach ($poll_modules as $module) {
print_debug(PHP_EOL . "including: includes/polling/{$module}.inc.php");
$m_start = utime();
include $config['install_dir'] . "/includes/polling/{$module}.inc.php";
$m_end = utime();
$m_run = round($m_end - $m_start, 4);
$device_state['poller_mod_perf'][$module] = number_format($m_run, 4);
print_message("Module [ {$module} ] time: {$m_run}" . "s");
}
// Fields to notify about in event log - FIXME should move to definitions?
$update_fields = array('version', 'features', 'hardware', 'serial', 'kernel', 'distro', 'distro_ver', 'arch', 'asset_tag');
// Log changed variables
foreach ($update_fields as $field) {
if (isset(${$field}) && ${$field} != $device[$field]) {
$update_array[$field] = ${$field};
log_event(ucfirst($field) . " -> " . $update_array[$field], $device, 'device', $device['device_id']);
}
}
// Here additional fields, change only if not set already
foreach (array('type', 'icon') as $field) {
if (isset(${$field}) && ($device[$field] == "unknown" || $device[$field] == '')) {
$update_array[$field] = ${$field};
log_event(ucfirst($field) . " -> " . $update_array[$field], $device, 'device', $device['device_id']);
}
}
// Check and update graphs DB
$graphs_stat = array();
if (!isset($options['m'])) {
// Hardcoded poller performance
$graphs['poller_perf'] = TRUE;
// Delete not exists graphs from DB (only if poller run without modules option)
foreach ($graphs_db as $graph => $value) {
if (!isset($graphs[$graph])) {
dbDelete('device_graphs', "`device_id` = ? AND `graph` = ?", array($device['device_id'], $graph));
unset($graphs_db[$graph]);
$graphs_stat['deleted'][] = $graph;
}
}
}
// Add or update graphs in DB
foreach ($graphs as $graph => $value) {
if (!isset($graphs_db[$graph])) {
dbInsert(array('device_id' => $device['device_id'], 'graph' => $graph, 'enabled' => $value), 'device_graphs');
$graphs_stat['added'][] = $graph;
} else {
if ($value != $graphs_db[$graph]) {
dbUpdate(array('enabled' => $value), 'device_graphs', '`device_id` = ? AND `graph` = ?', array($device['device_id'], $graph));
$graphs_stat['updated'][] = $graph;
} else {
$graphs_stat['checked'][] = $graph;
}
}
}
// Print graphs stats
foreach ($graphs_stat as $key => $stat) {
if (count($stat)) {
echo ' Graphs [' . $key . ']: ' . implode(', ', $stat) . PHP_EOL;
}
}
$device_end = utime();
$device_run = $device_end - $device_start;
$device_time = round($device_run, 4);
$update_array['last_polled'] = array('NOW()');
$update_array['last_polled_timetaken'] = $device_time;
$update_array['device_state'] = serialize($device_state);
#echo("$device_end - $device_start; $device_time $device_run");
print_message(PHP_EOL . "Polled in {$device_time} seconds");
// Only store performance data if we're not doing a single-module poll
if (!$options['m']) {
dbInsert(array('device_id' => $device['device_id'], 'operation' => 'poll', 'start' => $device_start, 'duration' => $device_run), 'devices_perftimes');
$poller_rrd = "perf-poller.rrd";
rrdtool_create($device, $poller_rrd, "DS:val:GAUGE:600:0:38400 ");
rrdtool_update($device, $poller_rrd, "N:" . $device_time);
}
if (OBS_DEBUG) {
echo "更新 " . $device['hostname'] . " - ";
print_vars($update_array);
echo " \n";
}
$updated = dbUpdate($update_array, 'devices', '`device_id` = ?', array($device['device_id']));
if ($updated) {
echo "已更新!\n";
}
$alert_metrics['device_uptime'] = $device['uptime'];
$alert_metrics['device_rebooted'] = $rebooted;
// 0 - not rebooted, 1 - rebooted
$alert_metrics['device_duration_poll'] = $device['last_polled_timetaken'];
unset($cache_storage);
// Clear cache of hrStorage ** MAYBE FIXME? ** (ok, later)
unset($cache);
// Clear cache (unify all things here?)
}
check_entity('device', $device, $alert_metrics);
unset($alert_metrics);
}
echo "DEBUG!\n";
$debug = 1;
}
$i = 0;
$device_query = mysql_query("SELECT * FROM `devices` WHERE `ignore` = '0' AND `disabled` = '0' AND `status` = '1' {$where} ORDER BY device_id DESC");
while ($device = mysql_fetch_array($device_query)) {
echo "-> " . $device['hostname'] . "\n";
$device_start = utime();
// Start counting device poll time
$host_rrd = $config['rrd_dir'] . "/" . $device['hostname'];
if (!is_dir($host_rrd)) {
mkdir($host_rrd);
echo "Created directory : {$host_rrd}\n";
}
$i++;
$device['pingable'] = isPingable($device['hostname']);
if ($device['pingable']) {
$device['snmpable'] = isSNMPable($device['hostname'], $device['community'], $device['snmpver'], $device['port']);
}
if ($device['pingable'] && $device['snmpable']) {
// Reachability Check
if ($options['t']) {
include "includes/polling/" . $options['t'] . ".inc.php";
} else {
include "includes/polling/ports.inc.php";
include "includes/polling/ports-etherlike.inc.php";
include "includes/polling/cisco-mac-accounting.inc.php";
}
} else {
echo " Unreachable";
}
function discover_new_device($hostname, $source = 'xdp', $protocol = NULL, $device = NULL, $snmp_port = 161)
{
global $config;
$source = strtolower($source);
if ($config['autodiscovery'][$source]) {
if (!$protocol) {
$protocol = strtoupper($source);
}
print_message("发现新主机 {$hostname} 通过 {$protocol}");
// By first detect hostname is IP or domain name (IPv4/6 == 4/6, hostname == FALSE)
$ip_version = get_ip_version($hostname);
if ($ip_version) {
// Hostname is IPv4/IPv6
$use_ip = TRUE;
$ip = $hostname;
} else {
$use_ip = FALSE;
if (!empty($config['mydomain']) && isDomainResolves($hostname . '.' . $config['mydomain'])) {
$hostname .= '.' . $config['mydomain'];
}
$ip = gethostbyname6($hostname);
if ($ip) {
$ip_version = get_ip_version($ip);
print_debug("主机 {$hostname} 解析为 {$ip}");
} else {
// No DNS records
print_debug("主机 {$hostname} 无法解析, 自动发现失败.");
return FALSE;
}
}
if (match_network($ip, $config['autodiscovery']['ip_nets'])) {
print_debug("主机 {$hostname} ({$ip}) 内部网络创建配置, 尝试增加:");
if (isPingable($ip)) {
// Check if device duplicated by IP
$ip = $ip_version == 4 ? $ip : Net_IPv6::uncompress($ip, TRUE);
$db = dbFetchRow('SELECT D.`hostname` FROM ipv' . $ip_version . '_addresses AS A
LEFT JOIN `ports` AS P ON A.`port_id` = P.`port_id`
LEFT JOIN `devices` AS D ON D.`device_id` = P.`device_id`
WHERE D.`disabled` = 0 AND A.`ipv' . $ip_version . '_address` = ?', array($ip));
if ($db) {
print_debug('已经有设备 ' . $db['hostname'] . " 包含 {$ip}");
return FALSE;
}
// Detect snmp transport
$snmp_transport = $ip_version == 4 ? 'udp' : 'udp6';
$new_device = detect_device_snmpauth($ip, $snmp_port, $snmp_transport);
if ($new_device) {
if ($use_ip) {
// Detect FQDN hostname
// by sysName
$snmphost = snmp_get($new_device, "sysName.0", "-Oqv", "SNMPv2-MIB", mib_dirs());
if ($snmphost) {
$snmp_ip = gethostbyname6($snmphost);
}
if ($snmp_ip == $ip) {
$hostname = $snmphost;
} else {
// by PTR
$ptr = gethostbyaddr6($ip);
if ($ptr) {
$ptr_ip = gethostbyname6($ptr);
}
if ($ptr && $ptr_ip == $ip) {
$hostname = $ptr;
} else {
print_debug("设备 IP {$ip} 没有 FQDN 名称");
return FALSE;
}
}
print_debug("设备 IP {$ip} 发现 FQDN 名称: {$hostname}");
}
$new_device['hostname'] = $hostname;
if (!check_device_duplicated($new_device)) {
$snmp_v3 = array();
if ($new_device['snmp_version'] === 'v3') {
$snmp_v3['snmp_authlevel'] = $new_device['snmp_authlevel'];
$snmp_v3['snmp_authname'] = $new_device['snmp_authname'];
$snmp_v3['snmp_authpass'] = $new_device['snmp_authpass'];
$snmp_v3['snmp_authalgo'] = $new_device['snmp_authalgo'];
$snmp_v3['snmp_cryptopass'] = $new_device['snmp_cryptopass'];
$snmp_v3['snmp_cryptoalgo'] = $new_device['snmp_cryptoalgo'];
}
$remote_device_id = createHost($new_device['hostname'], $new_device['snmp_community'], $new_device['snmp_version'], $new_device['snmp_port'], $new_device['snmp_transport'], $snmp_v3);
if ($remote_device_id) {
$remote_device = device_by_id_cache($remote_device_id, 1);
if ($port) {
humanize_port($port);
log_event("设备自动发现通过 {$protocol} 在 " . $device['hostname'] . " (port " . $port['label'] . ")", $remote_device_id, 'port', $port['port_id']);
} else {
log_event("设备自动发现通过 {$protocol} 在 " . $device['hostname'], $remote_device_id, $protocol);
}
//array_push($GLOBALS['devices'], $remote_device); // createHost() already puth this
return $remote_device_id;
}
}
}
}
} else {
print_debug("IP {$ip} ({$hostname}) 不允许内部 \$config['autodiscovery']['ip_nets'] 位于 config.php");
}
print_debug('自动发现主机 ' . $hostname . ' 错误.');
} else {
print_debug('自动发现协议 ' . $protocol . ' 禁用.');
}
return FALSE;
}
function addHost($host, $community, $snmpver, $port = 161)
{
global $config;
list($hostshort) = explode(".", $host);
if (isDomainResolves($host)) {
if (isPingable($host)) {
if (mysql_result(mysql_query("SELECT COUNT(*) FROM `devices` WHERE `hostname` = '{$host}'"), 0) == '0') {
$snmphost = shell_exec($config['snmpget'] . " -m SNMPv2-MIB -Oqv -{$snmpver} -c {$community} {$host}:{$port} sysName.0");
if ($snmphost == $host || ($hostshort = $host)) {
createHost($host, $community, $snmpver, $port);
} else {
echo "Given hostname does not match SNMP-read hostname!\n";
}
} else {
echo "Already got host {$host}\n";
}
} else {
echo "Could not ping {$host}\n";
}
} else {
echo "Could not resolve {$host}\n";
}
}
/**
* @dataProvider providerIsPingable
* @group network
*/
public function testIsPingable($result, $hostname, $try_a = TRUE)
{
$flags = OBS_DNS_ALL;
if (!$try_a) {
$flags = $flags ^ OBS_DNS_A;
}
$ping = isPingable($hostname, $flags);
$ping = is_numeric($ping) && $ping > 0;
// Function return random float number
$this->assertSame($result, $ping);
}
function addHost($host, $snmpver, $port = '161', $transport = 'udp', $quiet = '0')
{
global $config;
list($hostshort) = explode(".", $host);
// Test Database Exists
if (dbFetchCell("SELECT COUNT(*) FROM `devices` WHERE `hostname` = ?", array($host)) == '0') {
// Test if IP or Hostname
if (!inet_pton($host)) {
// Test reachability
if (isPingable($host)) {
$added = 0;
if (empty($snmpver)) {
// Try SNMPv2c
$snmpver = 'v2c';
$ret = addHost($host, $snmpver);
if (!$ret) {
//Try SNMPv3
$snmpver = 'v3';
$ret = addHost($host, $snmpver);
if (!$ret) {
// Try SNMPv1
$snmpver = 'v1';
return addHost($host, $snmpver);
} else {
return $ret;
}
} else {
return $ret;
}
}
if ($snmpver === "v3") {
// Try each set of parameters from config
foreach ($config['snmp']['v3'] as $v3) {
$device = deviceArray($host, NULL, $snmpver, $port, $transport, $v3);
if ($quiet == '0') {
print_message("Trying v3 parameters " . $v3['authname'] . "/" . $v3['authlevel'] . " ... ");
}
if (isSNMPable($device)) {
$snmphost = snmp_get($device, "sysName.0", "-Oqv", "SNMPv2-MIB");
if (empty($snmphost) or $snmphost == $host || ($hostshort = $host)) {
$device_id = createHost($host, NULL, $snmpver, $port, $transport, $v3);
return $device_id;
} else {
if ($quiet == '0') {
print_error("Given hostname does not match SNMP-read hostname ({$snmphost})!");
}
}
} else {
if ($quiet == '0') {
print_error("No reply on credentials " . $v3['authname'] . "/" . $v3['authlevel'] . " using {$snmpver}");
}
}
}
} elseif ($snmpver === "v2c" or $snmpver === "v1") {
// try each community from config
foreach ($config['snmp']['community'] as $community) {
$device = deviceArray($host, $community, $snmpver, $port, $transport, NULL);
if ($quiet == '0') {
print_message("Trying community {$community} ...");
}
if (isSNMPable($device)) {
$snmphost = snmp_get($device, "sysName.0", "-Oqv", "SNMPv2-MIB");
if ($snmphost == "" || $snmphost && ($snmphost == $host || ($hostshort = $host))) {
$device_id = createHost($host, $community, $snmpver, $port, $transport);
return $device_id;
} else {
if ($quiet == '0') {
print_error("Given hostname does not match SNMP-read hostname ({$snmphost})!");
}
}
} else {
if ($quiet == '0') {
print_error("No reply on community {$community} using {$snmpver}");
}
}
}
} else {
if ($quiet == '0') {
print_error("Unsupported SNMP Version \"{$snmpver}\".");
}
}
if (!$device_id) {
// Failed SNMP
if ($quiet == '0') {
print_error("Could not reach {$host} with given SNMP community using {$snmpver}");
}
}
} else {
// failed Reachability
if ($quiet == '0') {
print_error("Could not ping {$host}");
}
}
} else {
// Failed DNS lookup
if ($quiet == '0') {
print_error("{$host} looks like an IP address, please use FQDN");
}
}
} else {
// found in database
if ($quiet == '0') {
print_error("Already got host {$host}");
}
}
return 0;
}
function poll_device($device, $options)
{
global $config, $debug, $device, $polled_devices, $db_stats, $memcache;
$old_device_state = unserialize($device['device_state']);
$attribs = get_dev_attribs($device['device_id']);
$status = 0;
unset($array);
$device_start = utime();
// Start counting device poll time
echo $device['hostname'] . " " . $device['device_id'] . " " . $device['os'] . " ";
if ($config['os'][$device['os']]['group']) {
$device['os_group'] = $config['os'][$device['os']]['group'];
echo "(" . $device['os_group'] . ")";
}
echo "\n";
unset($poll_update);
unset($poll_update_query);
unset($poll_separator);
$poll_update_array = array();
$host_rrd = $config['rrd_dir'] . "/" . $device['hostname'];
if (!is_dir($host_rrd)) {
mkdir($host_rrd);
echo "Created directory : {$host_rrd}\n";
}
$device['pingable'] = isPingable($device['hostname']);
if ($device['pingable']) {
$device['snmpable'] = isSNMPable($device);
if ($device['snmpable']) {
$status = "1";
$status_type = '';
} else {
echo "SNMP Unreachable";
$status = "0";
$status_type = ' (snmp)';
}
} else {
echo "Unpingable";
$status = "0";
$status_type = ' (ping)';
}
if ($device['status'] != $status) {
$poll_update .= $poll_separator . "`status` = '{$status}'";
$poll_separator = ", ";
dbUpdate(array('status' => $status), 'devices', 'device_id=?', array($device['device_id']));
dbInsert(array('importance' => '0', 'device_id' => $device['device_id'], 'message' => "Device is " . ($status == '1' ? 'up' : 'down')), 'alerts');
log_event('Device status changed to ' . ($status == '1' ? 'Up' : 'Down') . $status_type, $device, 'system');
notify($device, "Device " . ($status == '1' ? 'Up' : 'Down') . ": " . $device['hostname'] . $status_type, "Device " . ($status == '1' ? 'up' : 'down') . ": " . $device['hostname']);
}
$rrd = $config['rrd_dir'] . "/" . $device['hostname'] . "/status.rrd";
if (!is_file($rrd)) {
rrdtool_create($rrd, "DS:status:GAUGE:600:0:1 " . $config['rrd_rra']);
}
if ($status == "1" || $status == "0") {
rrdtool_update($rrd, "N:" . $status);
} else {
rrdtool_update($rrd, "N:U");
}
// Ping response RRD database.
$ping_rrd = $config['rrd_dir'] . '/' . $device['hostname'] . '/ping.rrd';
if (!is_file($ping_rrd)) {
rrdtool_create($ping_rrd, "DS:ping:GAUGE:600:0:65535 " . $config['rrd_rra']);
}
if ($device['pingable']) {
rrdtool_update($ping_rrd, "N:" . $device['pingable']);
} else {
rrdtool_update($ping_rrd, "N:U");
}
// SNMP response RRD database.
$ping_snmp_rrd = $config['rrd_dir'] . '/' . $device['hostname'] . '/ping_snmp.rrd';
if (!is_file($ping_snmp_rrd)) {
rrdtool_create($ping_snmp_rrd, "DS:ping_snmp:GAUGE:600:0:65535 " . $config['rrd_rra']);
}
if ($device['snmpable']) {
rrdtool_update($ping_snmp_rrd, "N:" . $device['snmpable']);
} else {
rrdtool_update($ping_snmp_rrd, "N:U");
}
if ($status == "1") {
$graphs = array();
$oldgraphs = array();
// Enable Ping graphs
$graphs['ping'] = TRUE;
// Enable SNMP graphs
$graphs['ping_snmp'] = TRUE;
if ($options['m']) {
foreach (explode(",", $options['m']) as $module) {
if (is_file("includes/polling/" . $module . ".inc.php")) {
include "includes/polling/" . $module . ".inc.php";
}
}
} else {
foreach ($config['poller_modules'] as $module => $module_status) {
if ($attribs['poll_' . $module] || $module_status && !isset($attribs['poll_' . $module])) {
if ($debug) {
echo "including: includes/polling/{$module}.inc.php\n";
}
include 'includes/polling/' . $module . '.inc.php';
} elseif (isset($attribs['poll_' . $module]) && $attribs['poll_' . $module] == "0") {
echo "Module [ {$module} ] disabled on host.\n";
} else {
echo "Module [ {$module} ] disabled globally.\n";
}
}
}
if (!isset($options['m'])) {
// FIXME EVENTLOGGING -- MAKE IT SO WE DO THIS PER-MODULE?
// This code cycles through the graphs already known in the database and the ones we've defined as being polled here
// If there any don't match, they're added/deleted from the database.
// Ideally we should hold graphs for xx days/weeks/polls so that we don't needlessly hide information.
// Hardcoded poller performance
$graphs['poller_perf'] = TRUE;
foreach (dbFetch("SELECT `graph` FROM `device_graphs` WHERE `device_id` = ?", array($device['device_id'])) as $graph) {
if (!isset($graphs[$graph["graph"]])) {
dbDelete('device_graphs', "`device_id` = ? AND `graph` = ?", array($device['device_id'], $graph["graph"]));
} else {
$oldgraphs[$graph["graph"]] = TRUE;
}
}
foreach ($graphs as $graph => $value) {
if (!isset($oldgraphs[$graph])) {
echo "+";
dbInsert(array('device_id' => $device['device_id'], 'graph' => $graph), 'device_graphs');
}
echo $graph . " ";
}
}
$device_end = utime();
$device_run = $device_end - $device_start;
$device_time = substr($device_run, 0, 5);
$update_array['last_polled'] = array('NOW()');
$update_array['last_polled_timetaken'] = $device_time;
$update_array['device_state'] = serialize($device_state);
#echo("$device_end - $device_start; $device_time $device_run");
echo "Polled in {$device_time} seconds\n";
// Only store performance data if we're not doing a single-module poll
if (!$options['m']) {
dbInsert(array('device_id' => $device['device_id'], 'operation' => 'poll', 'start' => $device_start, 'duration' => $device_run), 'devices_perftimes');
$poller_rrd = $config['rrd_dir'] . "/" . $device['hostname'] . "/perf-poller.rrd";
if (!is_file($poller_rrd)) {
rrdtool_create($poller_rrd, "DS:val:GAUGE:600:0:38400 " . $config['rrd_rra']);
}
rrdtool_update($poller_rrd, "N:" . $device_time);
}
if ($debug) {
echo "Updating " . $device['hostname'] . " - " . print_r($update_array) . " \n";
}
$updated = dbUpdate($update_array, 'devices', '`device_id` = ?', array($device['device_id']));
if ($updated) {
echo "UPDATED!\n";
}
unset($storage_cache);
// Clear cache of hrStorage ** MAYBE FIXME? **
unset($cache);
// Clear cache (unify all things here?)
}
}
function perform_snmp_scan($net, $force_network, $force_broadcast)
{
global $stats, $config, $debug, $vdebug;
echo 'Range: ' . $net->network . '/' . $net->bitmask . PHP_EOL;
$config['snmp']['timeout'] = 1;
$config['snmp']['retries'] = 0;
$config['fping_options']['retries'] = 0;
$start = ip2long($net->network);
$end = ip2long($net->broadcast) - 1;
if ($force_network === true) {
//Force-scan network address
d_echo("Forcing network address scan" . PHP_EOL);
$start = $start - 1;
}
if ($force_broadcast === true) {
//Force-scan broadcast address
d_echo("Forcing broadcast address scan" . PHP_EOL);
$end = $end + 1;
}
if ($net->bitmask === "31") {
//Handle RFC3021 /31 prefixes
$start = ip2long($net->network) - 1;
$end = ip2long($net->broadcast);
d_echo("RFC3021 network, hosts " . long2ip($start + 1) . " and " . long2ip($end) . PHP_EOL . PHP_EOL);
} elseif ($net->bitmask === "32") {
//Handle single-host /32 prefixes
$start = ip2long($net->network) - 1;
$end = $start + 1;
d_echo("RFC3021 network, hosts " . long2ip($start + 1) . " and " . long2ip($end) . PHP_EOL . PHP_EOL);
} else {
d_echo("Network: " . $net->network . PHP_EOL);
d_echo("Broadcast: " . $net->broadcast . PHP_EOL . PHP_EOL);
}
while ($start++ < $end) {
$stats['count']++;
$host = long2ip($start);
if ($vdebug) {
echo "Scanning: " . $host . PHP_EOL;
}
if (match_network($config['autodiscovery']['nets-exclude'], $host)) {
if ($vdebug) {
echo "Excluded by config.php" . PHP_EOL . PHP_EOL;
} else {
echo '|';
}
continue;
}
$test = isPingable($host);
if ($test['result'] === false) {
if ($vdebug) {
echo "Unpingable Device" . PHP_EOL . PHP_EOL;
} else {
echo '.';
}
continue;
}
if (ip_exists($host)) {
$stats['known']++;
if ($vdebug) {
echo "Known Device" . PHP_EOL;
} else {
echo '*';
}
continue;
}
foreach (array('udp', 'tcp') as $transport) {
try {
addHost(gethostbyaddr($host), '', $config['snmp']['port'], $transport, $config['distributed_poller_group']);
$stats['added']++;
if ($vdebug) {
echo "Added Device" . PHP_EOL . PHP_EOL;
} else {
echo '+';
}
break;
} catch (HostExistsException $e) {
$stats['known']++;
if ($vdebug) {
echo "Known Device" . PHP_EOL . PHP_EOL;
} else {
echo '*';
}
break;
} catch (HostUnreachablePingException $e) {
if ($vdebug) {
echo "Unpingable Device" . PHP_EOL . PHP_EOL;
} else {
echo '.';
}
break;
} catch (HostUnreachableException $e) {
if ($debug) {
print_error($e->getMessage() . " over {$transport}");
foreach ($e->getReasons() as $reason) {
echo " {$reason}" . PHP_EOL;
}
}
if ($transport === 'tcp') {
// tried both udp and tcp without success
$stats['failed']++;
if ($vdebug) {
echo "Failed to Add Device" . PHP_EOL . PHP_EOL;
} else {
echo '-';
}
}
}
}
}
echo PHP_EOL;
}
/**
* Add a device to LibreNMS
*
* @param string $host dns name or ip address
* @param string $snmp_version If this is empty, try v2c,v3,v1. Otherwise, use this specific version.
* @param string $port the port to connect to for snmp
* @param string $transport udp or tcp
* @param string $poller_group the poller group this device will belong to
* @param boolean $force_add add even if the device isn't reachable
* @param string $port_assoc_mode snmp field to use to determine unique ports
*
* @return int returns the device_id of the added device
*
* @throws HostExistsException This hostname already exists
* @throws HostIpExistsException We already have a host with this IP
* @throws HostUnreachableException We could not reach this device is some way
* @throws HostUnreachablePingException We could not ping the device
* @throws InvalidPortAssocModeException The given port association mode was invalid
* @throws SnmpVersionUnsupportedException The given snmp version was invalid
*/
function addHost($host, $snmp_version = '', $port = '161', $transport = 'udp', $poller_group = '0', $force_add = false, $port_assoc_mode = 'ifIndex')
{
global $config;
// Test Database Exists
if (host_exists($host) === true) {
throw new HostExistsException("Already have host {$host}");
}
// Valid port assoc mode
if (!is_valid_port_assoc_mode($port_assoc_mode)) {
throw new InvalidPortAssocModeException("Invalid port association_mode '{$port_assoc_mode}'. Valid modes are: " . join(', ', get_port_assoc_modes()));
}
// check if we have the host by IP
if ($config['addhost_alwayscheckip'] === true) {
$ip = gethostbyname($host);
} else {
$ip = $host;
}
if (ip_exists($ip)) {
throw new HostIpExistsException("Already have host with this IP {$host}");
}
// Test reachability
if (!$force_add) {
$address_family = snmpTransportToAddressFamily($transport);
$ping_result = isPingable($host, $address_family);
if (!$ping_result['result']) {
throw new HostUnreachablePingException("Could not ping {$host}");
}
}
// if $snmpver isn't set, try each version of snmp
if (empty($snmp_version)) {
$snmpvers = array('v2c', 'v3', 'v1');
} else {
$snmpvers = array($snmp_version);
}
$host_unreachable_exception = new HostUnreachableException("Could not connect, please check the snmp details and snmp reachability");
// try different snmp variables to add the device
foreach ($snmpvers as $snmpver) {
if ($snmpver === "v3") {
// Try each set of parameters from config
foreach ($config['snmp']['v3'] as $v3) {
$device = deviceArray($host, null, $snmpver, $port, $transport, $v3, $port_assoc_mode);
if ($force_add === true || isSNMPable($device)) {
if ($force_add !== true) {
$snmphost = snmp_get($device, "sysName.0", "-Oqv", "SNMPv2-MIB");
}
$result = createHost($host, null, $snmpver, $port, $transport, $v3, $poller_group, $port_assoc_mode, $snmphost, $force_add);
if ($result !== false) {
return $result;
}
} else {
$host_unreachable_exception->addReason("SNMP {$snmpver}: No reply with credentials " . $v3['authname'] . "/" . $v3['authlevel']);
}
}
} elseif ($snmpver === "v2c" || $snmpver === "v1") {
// try each community from config
foreach ($config['snmp']['community'] as $community) {
$device = deviceArray($host, $community, $snmpver, $port, $transport, null, $port_assoc_mode);
if ($force_add === true || isSNMPable($device)) {
if ($force_add !== true) {
$snmphost = snmp_get($device, "sysName.0", "-Oqv", "SNMPv2-MIB");
}
$result = createHost($host, $community, $snmpver, $port, $transport, array(), $poller_group, $port_assoc_mode, $snmphost, $force_add);
if ($result !== false) {
return $result;
}
} else {
$host_unreachable_exception->addReason("SNMP {$snmpver}: No reply with community {$community}");
}
}
} else {
throw new SnmpVersionUnsupportedException("Unsupported SNMP Version \"{$snmpver}\", must be v1, v2c, or v3");
}
}
throw $host_unreachable_exception;
}
function poll_device($device, $options)
{
global $config, $device, $polled_devices, $memcache;
$attribs = get_dev_attribs($device['device_id']);
$device['snmp_max_repeaters'] = $attribs['snmp_max_repeaters'];
$device['snmp_max_oid'] = $attribs['snmp_max_oid'];
$status = 0;
unset($array);
$device_start = microtime(true);
// Start counting device poll time
echo 'Hostname: ' . $device['hostname'] . PHP_EOL;
echo 'Device ID: ' . $device['device_id'] . PHP_EOL;
echo 'OS: ' . $device['os'];
$ip = dnslookup($device);
if (!empty($ip) && $ip != inet6_ntop($device['ip'])) {
log_event('Device IP changed to ' . $ip, $device, 'system');
$db_ip = inet_pton($ip);
dbUpdate(array('ip' => $db_ip), 'devices', 'device_id=?', array($device['device_id']));
}
if ($config['os'][$device['os']]['group']) {
$device['os_group'] = $config['os'][$device['os']]['group'];
echo ' (' . $device['os_group'] . ')';
}
echo PHP_EOL . PHP_EOL;
unset($poll_update);
unset($poll_update_query);
unset($poll_separator);
$poll_update_array = array();
$update_array = array();
$host_rrd = $config['rrd_dir'] . '/' . $device['hostname'];
if ($config['norrd'] !== true && !is_dir($host_rrd)) {
mkdir($host_rrd);
echo "Created directory : {$host_rrd}\n";
}
$address_family = snmpTransportToAddressFamily($device['transport']);
$ping_response = isPingable($device['hostname'], $address_family, $attribs);
$device_perf = $ping_response['db'];
$device_perf['device_id'] = $device['device_id'];
$device_perf['timestamp'] = array('NOW()');
if (can_ping_device($attribs) === true && is_array($device_perf)) {
dbInsert($device_perf, 'device_perf');
}
$device['pingable'] = $ping_response['result'];
$ping_time = $ping_response['last_ping_timetaken'];
$response = array();
$status_reason = '';
if ($device['pingable']) {
$device['snmpable'] = isSNMPable($device);
if ($device['snmpable']) {
$status = '1';
$response['status_reason'] = '';
} else {
echo 'SNMP Unreachable';
$status = '0';
$response['status_reason'] = 'snmp';
}
} else {
echo 'Unpingable';
$status = '0';
$response['status_reason'] = 'icmp';
}
if ($device['status'] != $status) {
$poll_update .= $poll_separator . "`status` = '{$status}'";
$poll_separator = ', ';
dbUpdate(array('status' => $status, 'status_reason' => $response['status_reason']), 'devices', 'device_id=?', array($device['device_id']));
log_event('Device status changed to ' . ($status == '1' ? 'Up' : 'Down') . ' from ' . $response['status_reason'] . ' check.', $device, $status == '1' ? 'up' : 'down');
}
if ($status == '1') {
$graphs = array();
$oldgraphs = array();
// we always want the core module to be included
include 'includes/polling/core.inc.php';
$force_module = false;
if ($options['m']) {
$config['poller_modules'] = array();
foreach (explode(',', $options['m']) as $module) {
if (is_file('includes/polling/' . $module . '.inc.php')) {
$config['poller_modules'][$module] = 1;
$force_module = true;
}
}
}
foreach ($config['poller_modules'] as $module => $module_status) {
$os_module_status = $config['os'][$device['os']]['poller_modules'][$module];
d_echo("Modules status: Global" . (isset($module_status) ? $module_status ? '+ ' : '- ' : ' '));
d_echo("OS" . (isset($os_module_status) ? $os_module_status ? '+ ' : '- ' : ' '));
d_echo("Device" . (isset($attribs['poll_' . $module]) ? $attribs['poll_' . $module] ? '+ ' : '- ' : ' '));
if ($force_module === true || $attribs['poll_' . $module] || $os_module_status && !isset($attribs['poll_' . $module]) || $module_status && !isset($os_module_status) && !isset($attribs['poll_' . $module])) {
$module_start = 0;
$module_time = 0;
$module_start = microtime(true);
echo "\n#### Load poller module {$module} ####\n";
include "includes/polling/{$module}.inc.php";
$module_time = microtime(true) - $module_start;
printf("\n>> Runtime for poller module '%s': %.4f seconds\n", $module, $module_time);
echo "#### Unload poller module {$module} ####\n\n";
// save per-module poller stats
$tags = array('module' => $module, 'rrd_def' => 'DS:poller:GAUGE:600:0:U', 'rrd_name' => array('poller-perf', $module));
$fields = array('poller' => $module_time);
data_update($device, 'poller-perf', $tags, $fields);
// remove old rrd
$oldrrd = rrd_name($device['hostname'], array('poller', $module, 'perf'));
if (is_file($oldrrd)) {
unlink($oldrrd);
}
} elseif (isset($attribs['poll_' . $module]) && $attribs['poll_' . $module] == '0') {
echo "Module [ {$module} ] disabled on host.\n\n";
} elseif (isset($os_module_status) && $os_module_status == '0') {
echo "Module [ {$module} ] disabled on os.\n\n";
} else {
echo "Module [ {$module} ] disabled globally.\n\n";
}
}
// Update device_groups
UpdateGroupsForDevice($device['device_id']);
if (!isset($options['m'])) {
// FIXME EVENTLOGGING -- MAKE IT SO WE DO THIS PER-MODULE?
// This code cycles through the graphs already known in the database and the ones we've defined as being polled here
// If there any don't match, they're added/deleted from the database.
// Ideally we should hold graphs for xx days/weeks/polls so that we don't needlessly hide information.
foreach (dbFetch('SELECT `graph` FROM `device_graphs` WHERE `device_id` = ?', array($device['device_id'])) as $graph) {
if (isset($graphs[$graph['graph']])) {
$oldgraphs[$graph['graph']] = true;
} else {
dbDelete('device_graphs', '`device_id` = ? AND `graph` = ?', array($device['device_id'], $graph['graph']));
}
}
foreach ($graphs as $graph => $value) {
if (!isset($oldgraphs[$graph])) {
echo '+';
dbInsert(array('device_id' => $device['device_id'], 'graph' => $graph), 'device_graphs');
}
echo $graph . ' ';
}
}
//end if
$device_end = microtime(true);
$device_run = $device_end - $device_start;
$device_time = substr($device_run, 0, 5);
// Poller performance
if (!empty($device_time)) {
$tags = array('rrd_def' => 'DS:poller:GAUGE:600:0:U', 'module' => 'ALL');
$fields = array('poller' => $device_time);
data_update($device, 'poller-perf', $tags, $fields);
}
// Ping response
if (can_ping_device($attribs) === true && !empty($ping_time)) {
$tags = array('rrd_def' => 'DS:ping:GAUGE:600:0:65535');
$fields = array('ping' => $ping_time);
$update_array['last_ping'] = array('NOW()');
$update_array['last_ping_timetaken'] = $ping_time;
data_update($device, 'ping-perf', $tags, $fields);
}
$update_array['last_polled'] = array('NOW()');
$update_array['last_polled_timetaken'] = $device_time;
// echo("$device_end - $device_start; $device_time $device_run");
echo "Polled in {$device_time} seconds\n";
d_echo('Updating ' . $device['hostname'] . "\n");
$updated = dbUpdate($update_array, 'devices', '`device_id` = ?', array($device['device_id']));
if ($updated) {
echo "UPDATED!\n";
}
unset($storage_cache);
// Clear cache of hrStorage ** MAYBE FIXME? **
unset($cache);
// Clear cache (unify all things here?)
}
//end if
}
function discover_new_device($hostname, $source = 'xdp', $protocol = NULL, $device = NULL, $port = 161)
{
global $config;
$source = strtolower($source);
if ($config['autodiscovery'][$source]) {
if (!$protocol) {
$protocol = strtoupper($source);
}
print_message("Discovering new host {$hostname} through {$protocol}");
// By first detect hostname is IP or domain name (IPv4/6 == 4/6, hostname == FALSE)
$ip_version = get_ip_version($hostname);
if ($ip_version) {
// Hostname is IPv4/IPv6
$use_ip = TRUE;
} else {
$use_ip = FALSE;
if (!empty($config['mydomain']) && isDomainResolves($hostname . '.' . $config['mydomain'])) {
$hostname .= '.' . $config['mydomain'];
}
$ip = gethostbyname6($hostname);
if ($ip) {
$ip_version = get_ip_version($ip);
print_debug("Host {$hostname} resolved as {$ip}");
} else {
// No DNS records
print_debug("Host {$hostname} not resolved, autodiscovery fails.");
return FALSE;
}
}
if (match_network($ip, $config['autodiscovery']['ip_nets'])) {
print_debug("Host {$hostname} ({$ip}) founded inside configured nets, try to adding:");
if (isPingable($ip)) {
// Check if device duplicated by IP
$ip = $ip_version == 4 ? $hostname : Net_IPv6::uncompress($hostname, TRUE);
$db = dbFetchRow('SELECT D.`hostname` FROM ipv' . $ip_version . '_addresses AS A
LEFT JOIN `ports` AS P ON A.`port_id` = P.`port_id`
LEFT JOIN `devices` AS D ON D.`device_id` = P.`device_id`
WHERE D.`disabled` = 0 AND A.`ipv' . $ip_version . '_address` = ?', array($ip));
if ($db) {
print_debug('Already have device ' . $db['hostname'] . " with {$ip}");
return FALSE;
}
// Detect snmp transport
$transport = $ip_version == 4 ? 'udp' : 'udp6';
$new_device = detect_device_snmpauth($ip, $port, $transport);
if ($new_device) {
if ($use_ip) {
// Detect FQDN hostname
// by sysName
$snmphost = snmp_get($new_device, "sysName.0", "-Oqv", "SNMPv2-MIB", mib_dirs());
if ($snmphost) {
$snmp_ip = gethostbyname6($snmphost);
}
if ($snmp_ip == $ip) {
$hostname = $snmphost;
} else {
// by PTR
$ptr = gethostbyaddr6($ip);
if ($ptr) {
$ptr_ip = gethostbyname6($ptr);
}
if ($ptr && $ptr_ip == $ip) {
$hostname = $ptr;
} else {
print_debug("Device IP {$ip} not have FQDN name");
return FALSE;
}
}
print_debug("Device IP {$ip} founded FQDN name: {$hostname}");
}
$new_device['hostname'] = $hostname;
if (!check_device_duplicated($new_device)) {
$v3 = array();
if ($new_device['snmpver'] === 'v3') {
$v3['authlevel'] = $new_device['authlevel'];
$v3['authname'] = $new_device['authname'];
$v3['authpass'] = $new_device['authpass'];
$v3['authalgo'] = $new_device['authalgo'];
$v3['cryptopass'] = $new_device['cryptopass'];
$v3['cryptoalgo'] = $new_device['cryptoalgo'];
}
$remote_device_id = createHost($new_device['hostname'], $new_device['community'], $new_device['snmpver'], $new_device['port'], $new_device['transport'], $v3);
if ($remote_device_id) {
$remote_device = device_by_id_cache($remote_device_id, 1);
if ($port) {
humanize_port($port);
log_event("Device autodiscovered through {$protocol} on " . $device['hostname'] . " (port " . $port['label'] . ")", $remote_device_id, 'port', $port['port_id']);
} else {
log_event("Device autodiscovered through {$protocol} on " . $device['hostname'], $remote_device_id, $protocol);
}
//array_push($GLOBALS['devices'], $remote_device); // createHost() already puth this
return $remote_device_id;
}
}
}
}
} else {
print_debug("IP {$ip} ({$hostname}) not permitted inside \$config['autodiscovery']['ip_nets'] in config.php");
}
print_debug('Autodiscovery for host ' . $hostname . ' fails.');
} else {
print_debug('Autodiscovery for protocol ' . $protocol . ' disabled.');
}
return FALSE;
}
function add_device($hostname, $snmp_version = array(), $snmp_port = 161, $snmp_transport = 'udp', $options = array())
{
global $config;
// If $options['break'] set as TRUE, break recursive function execute
if (isset($options['break']) && $options['break']) {
return FALSE;
}
$return = FALSE;
// By default return FALSE
// Reset snmp timeout and retries options for speedup device adding
unset($config['snmp']['timeout'], $config['snmp']['retries']);
$hostname = trim($hostname);
list($hostshort) = explode(".", $hostname);
// Test if host exists in database
if (dbFetchCell("SELECT COUNT(*) FROM `devices` WHERE `hostname` = ?", array($hostname)) == '0') {
$snmp_transport = strtolower($snmp_transport);
$try_a = !($snmp_transport == 'udp6' || $snmp_transport == 'tcp6');
// Use IPv6 only if transport 'udp6' or 'tcp6'
// Test DNS lookup.
$ip = gethostbyname6($hostname, $try_a);
if ($ip) {
$ip_version = get_ip_version($ip);
// Test reachability
if (isPingable($hostname, $try_a)) {
// Test directory exists in /rrd/
if (!$config['rrd_override'] && file_exists($config['rrd_dir'] . '/' . $hostname)) {
print_error("Directory <observium>/rrd/{$hostname} already exists.");
return FALSE;
}
// Detect snmp transport
if (stripos($snmp_transport, 'tcp') !== FALSE) {
$snmp_transport = $ip_version == 4 ? 'tcp' : 'tcp6';
} else {
$snmp_transport = $ip_version == 4 ? 'udp' : 'udp6';
}
// Detect snmp port
if (!is_numeric($snmp_port) || $snmp_port < 1 || $snmp_port > 65535) {
$snmp_port = 161;
} else {
$snmp_port = (int) $snmp_port;
}
// Detect snmp version
if (empty($snmp_version)) {
// Here set default snmp version order
$i = 1;
$snmp_version_order = array();
foreach (array('v2c', 'v3', 'v1') as $tmp_version) {
if ($config['snmp']['version'] == $tmp_version) {
$snmp_version_order[0] = $tmp_version;
} else {
$snmp_version_order[$i] = $tmp_version;
}
$i++;
}
ksort($snmp_version_order);
foreach ($snmp_version_order as $tmp_version) {
$ret = add_device($hostname, $tmp_version, $snmp_port, $snmp_transport, $options);
if ($ret === FALSE) {
// Set $options['break'] for break recursive
$options['break'] = TRUE;
} else {
if (is_numeric($ret) && $ret != 0) {
return $ret;
}
}
}
} else {
if ($snmp_version === "v3") {
// Try each set of parameters from config
foreach ($config['snmp']['v3'] as $snmp_v3) {
$device = build_initial_device_array($hostname, NULL, $snmp_version, $snmp_port, $snmp_transport, $snmp_v3);
print_message("Trying v3 parameters " . $device['snmp_authname'] . "/" . $device['snmp_authlevel'] . " ... ");
if (isSNMPable($device)) {
if (!check_device_duplicated($device)) {
if (isset($options['test']) && $options['test']) {
print_message('%WDevice "' . $hostname . '" has successfully been tested and available by ' . strtoupper($snmp_transport) . ' transport with SNMP ' . $snmp_version . ' credentials.%n', 'color');
$device_id = -1;
} else {
$device_id = createHost($hostname, NULL, $snmp_version, $snmp_port, $snmp_transport, $snmp_v3);
}
return $device_id;
}
} else {
print_warning("No reply on credentials " . $device['snmp_authname'] . "/" . $device['snmp_authlevel'] . " using {$snmp_version}.");
}
}
} else {
if ($snmp_version === "v2c" || $snmp_version === "v1") {
// Try each community from config
foreach ($config['snmp']['community'] as $snmp_community) {
$device = build_initial_device_array($hostname, $snmp_community, $snmp_version, $snmp_port, $snmp_transport);
print_message("Trying {$snmp_version} community {$snmp_community} ...");
if (isSNMPable($device)) {
if (!check_device_duplicated($device)) {
if (isset($options['test']) && $options['test']) {
print_message('%W设备 "' . $hostname . '" 已成功地测试和可用于 ' . strtoupper($snmp_transport) . ' transport with SNMP ' . $snmp_version . ' credentials.%n', 'color');
$device_id = -1;
} else {
$device_id = createHost($hostname, $snmp_community, $snmp_version, $snmp_port, $snmp_transport);
}
return $device_id;
}
} else {
print_warning("No reply on community {$snmp_community} using {$snmp_version}.");
$return = 0;
// Return zero for continue trying next auth
}
}
} else {
print_error("Unsupported SNMP Version \"{$snmp_version}\".");
$return = 0;
// Return zero for continue trying next auth
}
}
}
if (!$device_id) {
// Failed SNMP
print_error("无法到达主机 {$hostname} 使用给定的SNMP参数 {$snmp_version}.");
$return = 0;
// Return zero for continue trying next auth
}
} else {
// failed Reachability
print_error("无法 ping {$hostname}.");
}
} else {
// Failed DNS lookup
print_error("无法解析 {$hostname}.");
}
} else {
// found in database
print_error("已经发现设备 {$hostname}.");
}
return $return;
}
$community = $argv[2];
$snmpver = strtolower($argv[3]);
if (is_numeric($argv[4])) {
$port = $argv[4];
} else {
$port = 161;
}
if (!$snmpver) {
$snmpver = "v2c";
}
if (!$community) {
$community = $config['community'];
}
list($hostshort) = explode(".", $host);
if (isDomainResolves($argv[1])) {
if (isPingable($argv[1])) {
if (mysql_result(mysql_query("SELECT COUNT(*) FROM `devices` WHERE `hostname` = '" . mres($host) . "'"), 0) == '0') {
$snmphost = trim(str_replace("\"", "", shell_exec($config['snmpget'] . " -m SNMPv2-MIB -Oqv -{$snmpver} -c {$community} {$host}:{$port} sysName.0")));
if ($snmphost && ($snmphost == $host || ($hostshort = $host))) {
$return = createHost($host, $community, $snmpver, $port);
if ($return) {
echo $return . "\n";
} else {
echo "Adding {$host} failed\n";
}
} else {
echo "Given hostname does not match SNMP-read hostname!\n";
}
} else {
echo "Already got host {$host}\n";
}
function addHost($host, $snmpver, $port = '161', $transport = 'udp', $quiet = '0', $poller_group = '0', $force_add = '0')
{
global $config;
list($hostshort) = explode(".", $host);
// Test Database Exists
if (dbFetchCell("SELECT COUNT(*) FROM `devices` WHERE `hostname` = ?", array($host)) == '0') {
if ($config['addhost_alwayscheckip'] === TRUE) {
$ip = gethostbyname($host);
} else {
$ip = $host;
}
if (ip_exists($ip) === false) {
// Test reachability
if ($force_add == 1 || isPingable($host)) {
if (empty($snmpver)) {
// Try SNMPv2c
$snmpver = 'v2c';
$ret = addHost($host, $snmpver, $port, $transport, $quiet, $poller_group, $force_add);
if (!$ret) {
//Try SNMPv3
$snmpver = 'v3';
$ret = addHost($host, $snmpver, $port, $transport, $quiet, $poller_group, $force_add);
if (!$ret) {
// Try SNMPv1
$snmpver = 'v1';
return addHost($host, $snmpver, $port, $transport, $quiet, $poller_group, $force_add);
} else {
return $ret;
}
} else {
return $ret;
}
}
if ($snmpver === "v3") {
// Try each set of parameters from config
foreach ($config['snmp']['v3'] as $v3) {
$device = deviceArray($host, NULL, $snmpver, $port, $transport, $v3);
if ($quiet == '0') {
print_message("Trying v3 parameters " . $v3['authname'] . "/" . $v3['authlevel'] . " ... ");
}
if ($force_add == 1 || isSNMPable($device)) {
$snmphost = snmp_get($device, "sysName.0", "-Oqv", "SNMPv2-MIB");
if (empty($snmphost) or $snmphost == $host || ($hostshort = $host)) {
$device_id = createHost($host, NULL, $snmpver, $port, $transport, $v3, $poller_group);
return $device_id;
} else {
if ($quiet == '0') {
print_error("Given hostname does not match SNMP-read hostname ({$snmphost})!");
}
}
} else {
if ($quiet == '0') {
print_error("No reply on credentials " . $v3['authname'] . "/" . $v3['authlevel'] . " using {$snmpver}");
}
}
}
} elseif ($snmpver === "v2c" or $snmpver === "v1") {
// try each community from config
foreach ($config['snmp']['community'] as $community) {
$device = deviceArray($host, $community, $snmpver, $port, $transport, NULL);
if ($quiet == '0') {
print_message("Trying community {$community} ...");
}
if ($force_add == 1 || isSNMPable($device)) {
$snmphost = snmp_get($device, "sysName.0", "-Oqv", "SNMPv2-MIB");
if (empty($snmphost) || $snmphost && ($snmphost == $host || ($hostshort = $host))) {
$device_id = createHost($host, $community, $snmpver, $port, $transport, array(), $poller_group);
return $device_id;
} else {
if ($quiet == '0') {
print_error("Given hostname does not match SNMP-read hostname ({$snmphost})!");
}
}
} else {
if ($quiet == '0') {
print_error("No reply on community {$community} using {$snmpver}");
}
}
}
} else {
if ($quiet == '0') {
print_error("Unsupported SNMP Version \"{$snmpver}\".");
}
}
if (!$device_id) {
// Failed SNMP
if ($quiet == '0') {
print_error("Could not reach {$host} with given SNMP community using {$snmpver}");
}
}
} else {
// failed Reachability
if ($quiet == '0') {
print_error("Could not ping {$host}");
}
}
} else {
if ($quiet == 0) {
print_error("Already have host with this IP {$host}");
}
}
} else {
// found in database
if ($quiet == '0') {
print_error("Already got host {$host}");
}
}
return 0;
}
#!/usr/bin/env php
<?php
include "includes/defaults.inc.php";
include "config.php";
include "includes/functions.php";
$device_query = mysql_query("SELECT * FROM `devices` WHERE `device_id` LIKE '%" . $argv[1] . "' AND disabled = '0' ORDER BY `device_id` DESC");
while ($device = mysql_fetch_assoc($device_query)) {
$port = $device['snmp_port'];
echo $device['hostname'] . " ";
if (isPingable($device['hostname'])) {
$pos = snmp_get($device, "sysDescr.0", "-Oqv", "SNMPv2-MIB");
echo $device['protocol'] . ":" . $device['hostname'] . ":" . $device['snmp_port'] . " - " . $device['snmp_community'] . " " . $device['snmp_version'] . ": ";
if ($pos == '') {
$status = '0';
} else {
$status = '1';
}
} else {
$status = '0';
}
if ($status == '1') {
echo "正常\n";
} else {
echo "异常\n";
}
if ($status != $device['status']) {
mysql_query("UPDATE `devices` SET `status`= '{$status}' WHERE `device_id` = '" . $device['device_id'] . "'");
if ($status == '1') {
$stat = "正常";
mysql_query("INSERT INTO alerts (importance, device_id, message) VALUES ('0', '" . $device['device_id'] . "', '设备正常\n')");
if ($config['alerts']['email']['enable']) {