Example #1
0
function discover_device($device, $options = NULL)
{
    global $config, $valid, $exec_status, $discovered_devices;
    // Initialise variables
    $valid = array();
    // Reset $valid array
    $modules = array();
    $cache_discovery = array();
    // Specific discovery cache for exchange snmpwalk data between modules (memory/storage/sensors/etc)
    $attribs = get_entity_attribs('device', $device['device_id']);
    $device_start = utime();
    // Start counting device poll time
    // Check if device discovery already running
    $pid_info = check_process_run($device);
    if ($pid_info) {
        // Process ID exist in DB
        print_message("%rAnother " . $pid_info['process_name'] . " process (PID: " . $pid_info['PID'] . ", UID: " . $pid_info['UID'] . ", STARTED: " . $pid_info['STARTED'] . ") already running for device " . $device['hostname'] . " (" . $device['device_id'] . ").%n", 'color');
        return FALSE;
    }
    add_process_info($device);
    // Store process info
    print_cli_heading($device['hostname'] . " [" . $device['device_id'] . "]", 1);
    $detect_os = TRUE;
    // Set TRUE or FALSE for module 'os' (exclude double os detection)
    if ($device['os'] == 'generic' || isset($options['h']) && $options['h'] == 'new') {
        $detect_os = FALSE;
        $old_os = $device['os'];
        $device['os'] = get_device_os($device);
        if ($device['os'] != $old_os) {
            print_cli_data("Device OS changed", $old_os . " -> " . $device['os'], 1);
            log_event('OS changed: ' . $old_os . ' -> ' . $device['os'], $device, 'device', $device['device_id'], 'warning');
            dbUpdate(array('os' => $device['os']), 'devices', '`device_id` = ?', array($device['device_id']));
        }
    }
    print_cli_data("OS Type", $device['os'], 1);
    if ($config['os'][$device['os']]['group']) {
        $device['os_group'] = $config['os'][$device['os']]['group'];
        print_cli_data("OS Group", $device['os_group'], 1);
    }
    print_cli_data("SNMP Version", $device['snmp_version'], 1);
    print_cli_data("Last discovery", $device['last_discovered'], 1);
    print_cli_data("Last duration", $device['last_discovered_timetaken'] . " seconds", 1);
    echo PHP_EOL;
    // Either only run the modules specified on the commandline, or run all modules in config.
    if ($options['m']) {
        foreach (explode(",", $options['m']) as $module) {
            $modules[$module] = TRUE;
        }
    } else {
        if ($device['force_discovery'] && $options['h'] == 'new' && isset($attribs['force_discovery_modules'])) {
            // Forced discovery specific modules
            foreach (json_decode($attribs['force_discovery_modules'], TRUE) as $module) {
                $modules[$module] = TRUE;
            }
            log_event('Forced discovery module(s): ' . implode(', ', array_keys($modules)), $device, 'device', $device['device_id'], 'debug');
        } else {
            $modules = $config['discovery_modules'];
        }
    }
    // Use os specific modules order
    //print_vars($modules);
    if (isset($config['os'][$device['os']]['discovery_order'])) {
        //print_vars($config['os'][$device['os']]['discovery_order']);
        foreach ($config['os'][$device['os']]['discovery_order'] as $module => $module_order) {
            if (array_key_exists($module, $modules)) {
                $module_status = $modules[$module];
                switch ($module_order) {
                    case 'last':
                        // add to end of modules list
                        unset($modules[$module]);
                        $modules[$module] = $module_status;
                        break;
                    case 'first':
                        // add to begin of modules list, but not before os/system
                        $new_modules = array();
                        if ($modules['os']) {
                            $new_modules['os'] = $modules['os'];
                            unset($modules['os']);
                        }
                        if ($modules['system']) {
                            $new_modules['system'] = $modules['system'];
                            unset($modules['system']);
                        }
                        $new_modules[$module] = $module_status;
                        unset($modules[$module]);
                        $modules = $new_modules + $modules;
                        break;
                    default:
                        // add into specific place (after module name in $module_order)
                        // yes, this is hard and magically
                        if (array_key_exists($module_order, $modules)) {
                            unset($modules[$module]);
                            $new_modules = array();
                            foreach ($modules as $new_module => $new_status) {
                                array_shift($modules);
                                $new_modules[$new_module] = $new_status;
                                if ($new_module == $module_order) {
                                    $new_modules[$module] = $module_status;
                                    break;
                                }
                            }
                            $modules = array_merge($new_modules, (array) $modules);
                        }
                }
            }
        }
        //print_vars($modules);
    }
    foreach ($modules as $module => $module_status) {
        if (discovery_module_excluded($device, $module) === FALSE) {
            if ($attribs['discover_' . $module] || $module_status && !isset($attribs['discover_' . $module])) {
                $m_start = utime();
                $GLOBALS['module_stats'][$module] = array();
                print_cli_heading("Module Start: %R" . $module . "");
                include "includes/discovery/{$module}.inc.php";
                $m_end = utime();
                $GLOBALS['module_stats'][$module]['time'] = round($m_end - $m_start, 4);
                print_module_stats($device, $module);
                echo PHP_EOL;
                //print_cli_heading("Module End: %R".$module."");
            } elseif (isset($attribs['discover_' . $module]) && $attribs['discover_' . $module] == "0") {
                print_debug("Module [ {$module} ] disabled on host.");
            } else {
                print_debug("Module [ {$module} ] disabled globally.");
            }
        }
    }
    // Set type to a predefined type for the OS if it's not already set
    if ($device['type'] == "unknown" || $device['type'] == "") {
        if ($config['os'][$device['os']]['type']) {
            $device['type'] = $config['os'][$device['os']]['type'];
        }
    }
    $device_end = utime();
    $device_run = $device_end - $device_start;
    $device_time = substr($device_run, 0, 5);
    dbUpdate(array('last_discovered' => array('NOW()'), 'type' => $device['type'], 'last_discovered_timetaken' => $device_time, 'force_discovery' => 0), 'devices', '`device_id` = ?', array($device['device_id']));
    if (isset($attribs['force_discovery_modules'])) {
        del_entity_attrib('device', $device['device_id'], 'force_discovery_modules');
    }
    // Put performance into devices_perftimes table
    // Not worth putting discovery data into rrd. it's not done every 5 mins :)
    dbInsert(array('device_id' => $device['device_id'], 'operation' => 'discover', 'start' => $device_start, 'duration' => $device_run), 'devices_perftimes');
    print_cli_heading($device['hostname'] . " [" . $device['device_id'] . "] completed discovery modules at " . date("Y-m-d H:i:s"), 1);
    print_cli_data("Discovery time", $device_time . " seconds", 1);
    echo PHP_EOL;
    $discovered_devices++;
    // Clean
    del_process_info($device);
    // Remove process info
    unset($cache_discovery);
}
function discover_device($device, $options = NULL)
{
    global $config, $valid, $exec_status, $discovered_devices;
    // Initialise variables
    $valid = array();
    // Reset $valid array
    $cache_discovery = array();
    // Specific discovery cache for exchange snmpwalk data betwen modules (memory/storage/sensors/etc)
    $attribs = get_dev_attribs($device['device_id']);
    $device_start = utime();
    // Start counting device poll time
    echo $device['hostname'] . " " . $device['device_id'] . " " . $device['os'] . " ";
    $detect_os = TRUE;
    // Set TRUE or FALSE for module 'os' (exclude double os detection)
    if ($device['os'] == 'generic' || isset($options['h']) && $options['h'] == 'new') {
        $detect_os = FALSE;
        $old_os = $device['os'];
        $device['os'] = get_device_os($device);
        if ($device['os'] != $old_os) {
            print_warning("设备OS更改: {$old_os} -> " . $device['os'] . "!");
            log_event('OS更改: ' . $old_os . ' -> ' . $device['os'], $device, 'device', $device['device_id'], 'warning');
            dbUpdate(array('os' => $device['os']), 'devices', '`device_id` = ?', array($device['device_id']));
        }
    }
    if ($config['os'][$device['os']]['group']) {
        $device['os_group'] = $config['os'][$device['os']]['group'];
        echo " (" . $device['os_group'] . ")";
    }
    echo PHP_EOL;
    // If we've specified a module, use that, else walk the modules array
    if ($options['m']) {
        foreach (explode(",", $options['m']) as $module) {
            if (is_file("includes/discovery/" . $module . ".inc.php")) {
                $m_start = utime();
                $GLOBALS['module_stats'][$module] = array();
                include "includes/discovery/" . $module . ".inc.php";
                $m_end = utime();
                $GLOBALS['module_stats'][$module]['time'] = round($m_end - $m_start, 4);
                print_module_stats($device, $module);
            }
        }
    } else {
        foreach ($config['discovery_modules'] as $module => $module_status) {
            if (in_array($device['os_group'], $config['os']['discovery_blacklist'])) {
                // Module is blacklisted for this OS.
                print_debug("模块 [ {$module} ] 被列入黑名单在 " . $device['os_group']);
            } elseif (in_array($device['os'], $config['os']['discovery_blacklist'])) {
                // Module is blacklisted for this OS.
                print_debug("模块 [ {$module} ] 被列入黑名单在 " . $device['os']);
            } else {
                if ($attribs['discover_' . $module] || $module_status && !isset($attribs['discover_' . $module])) {
                    $m_start = utime();
                    $GLOBALS['module_stats'][$module] = array();
                    include "includes/discovery/{$module}.inc.php";
                    $m_end = utime();
                    $GLOBALS['module_stats'][$module]['time'] = round($m_end - $m_start, 4);
                    print_module_stats($device, $module);
                } elseif (isset($attribs['discover_' . $module]) && $attribs['discover_' . $module] == "0") {
                    print_debug("模块 [ {$module} ] 在主机禁用.");
                } else {
                    print_debug("模块 [ {$module} ] 全局禁用.");
                }
            }
        }
    }
    // Set type to a predefined type for the OS if it's not already set
    if ($device['type'] == "unknown" || $device['type'] == "") {
        if ($config['os'][$device['os']]['type']) {
            $device['type'] = $config['os'][$device['os']]['type'];
        }
    }
    $device_end = utime();
    $device_run = $device_end - $device_start;
    $device_time = substr($device_run, 0, 5);
    dbUpdate(array('last_discovered' => array('NOW()'), 'type' => $device['type'], 'last_discovered_timetaken' => $device_time, 'force_discovery' => 0), 'devices', '`device_id` = ?', array($device['device_id']));
    // put performance into devices_perftimes
    dbInsert(array('device_id' => $device['device_id'], 'operation' => 'discover', 'start' => $device_start, 'duration' => $device_run), 'devices_perftimes');
    print_message("设备 [ " . $device['hostname'] . " ] 发现 {$device_time} 秒");
    // not worth putting discovery data into rrd. it's not done every 5 mins :)
    echo PHP_EOL;
    $discovered_devices++;
    // Clean
    unset($cache_discovery);
}