419 lines
13 KiB
PHP
419 lines
13 KiB
PHP
<?php
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$ini_path = "/usr/local/etc/frpc.ini";
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run($ini_path);
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/**
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* 将服务的所有设备信息扫描后发送到服务中心；
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*/
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function run($ini_path)
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{
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$url = "https://devms.t.educg.com/api/pushDevInfo.do";
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$community = "cacti_public";
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// $ini_path = "/etc/dev.ini";
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//获取要扫描的设备ip。
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$list = getDevIp($ini_path);
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if (!empty($list)) {
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//循环扫描所有设备信息，并发送到服务中心；
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foreach ($list as $ip) {
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$data = scanDev($ip, $community);
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$data["ip"] = $ip;
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$res = request_post($url, $data);
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}
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echo "ok,发送成功！";
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} else {
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echo "error,无数据!";
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}
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}
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function getDevIp($file_name)
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{
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$iplist = [];
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@$file = fopen($file_name, "r");
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if($file){
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$i = 0;
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//输出文本中所有的行，直到文件结束为止。
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while (!feof($file)) {
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$item = trim(fgets($file)); //fgets()函数从文件指针中读取一行
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//将ip行中的ip提取出来；
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if (strpos($item, "_ip")) {
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$one_item = explode("=", $item);
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if (count($one_item) > 0) {
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$value = trim($one_item[1]);
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if ($value != "127.0.0.1") {
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$iplist[] = $value;
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}
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}
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}
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$i++;
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}
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fclose($file);
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}
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return $iplist;
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}
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function getIp($arr)
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{
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if (strpos($arr, "_ip")) {
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return $arr;
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}
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}
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/**
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* 总扫描；
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*/
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function scanDev($ip, $community)
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{
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$cpu = '';
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$ram = '';
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$cpusort = '';
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$uptime = '';
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$hostname = '';
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$ram_percent = '';
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$diskinfo = "";
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$rootpercent = "";
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$cpuinfo = "";
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$tcpcount = "";
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$inout = "";
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if (!empty($ip) && !empty($community)) {
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//获取负载，运行时间，主机名，内存信息；
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$baseinfo = get_server_info($ip, $community);
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if (count($baseinfo) > 0) {
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$cpu = $baseinfo[0];
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$ram = $baseinfo[1];
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$cpusort = $baseinfo[2];
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$uptime = $baseinfo[3];
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$hostname = $baseinfo[4];
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$ram_percent = $baseinfo[5];
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// $used_ram = $snmpReturn[6];
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// $fumv = $snmpReturn[7];
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}
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//如果uptiem为空说明扫描不到，则退出；不进行后续扫描；
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if($uptime==''){
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$data['cpu'] = $cpu;
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$data['ram'] = $ram;
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$data['cpusort'] = $cpusort;
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$data['uptime'] = $uptime;
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$data['hostname'] = $hostname;
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$data['ram_percent'] = $ram_percent;
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$data['diskinfo'] = $diskinfo;
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$data['inout'] = $inout;
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$data['rootpercent'] = $rootpercent;
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$data['cpuinfo'] = $cpuinfo;
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$data['tcpcount'] = $tcpcount;
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return $data;
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}
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//硬盘信息
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$diskinfo = diskInfo($ip, $community);
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if (!empty($diskinfo)) {
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foreach ($diskinfo as $value) {
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if ($value["path"] == "/") {
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$rootpercent = $value["diskpercent"];
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}
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}
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}
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//记录当前流量；
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$currinout = ifinoutInfo($ip, "cacti_public"); //当前累计流量数据
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//获取cpu,tcp信息；
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$cpuinfo = getCpuInfo($ip, $community);
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$tcpcount = getTcpInfo($ip, $community);
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}
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$data['cpu'] = $cpu;
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$data['ram'] = $ram;
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$data['cpusort'] = $cpusort;
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$data['uptime'] = $uptime;
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$data['hostname'] = $hostname;
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$data['ram_percent'] = $ram_percent;
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$data['diskinfo'] = $diskinfo;
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$data['inout'] = $currinout;
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$data['rootpercent'] = $rootpercent;
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$data['cpuinfo'] = $cpuinfo;
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$data['tcpcount'] = $tcpcount;
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return $data;
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}
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/**
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* 获取负载值；
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*/
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function get_server_info($ip, $community)
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{
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$ip = trim($ip);
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$result = [];
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// $oid_cpu_1 = "1.3.6.1.4.1.2021.10.1.3.1"; //cpu1分钟时负载；
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$oid_cpu_2 = "1.3.6.1.4.1.2021.10.1.3.2"; //cpu5分钟时负载；
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// $oid_cpu_3 = "1.3.6.1.4.1.2021.10.1.3.3"; //cpu15分钟时负载；
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$oid_all_ram = "1.3.6.1.4.1.2021.4.5.0"; //Total RAM in machine: 总的内存
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// $oid_used_ram = "1.3.6.1.4.1.2021.4.6.0"; //Total RAM in machine: 可用实际总的内存
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$oid_mem_free = "1.3.6.1.4.1.2021.4.11.0"; //可用内存；memTotalFree
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$oid_mem_share = "1.3.6.1.4.1.2021.4.13.0"; //可用内存；memTotalFree
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$oid_mem_Buffer = "1.3.6.1.4.1.2021.4.14.0"; //可用内存；memTotalFree
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$oid_mem_cached = "1.3.6.1.4.1.2021.4.15.0"; //可用内存；memTotalFree
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$oid_mem_aswap = "1.3.6.1.4.1.2021.4.4.0";//可用memAvailSwap;free应该-这个值才是真是free；
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$oid_sysname = "SNMPv2-MIB::sysName.0"; //主机名；
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// $oid_uptime = "1.3.6.1.2.1.1.3.0";//snmp运行时间
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$oid_uptime = "HOST-RESOURCES-MIB::hrSystemUptime.0"; //系统开机时间；
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try {
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$session = new SNMP(SNMP::VERSION_2C, $ip, $community, 1000000, 2);
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@$rep = $session->get(array($oid_cpu_2, $oid_mem_aswap,$oid_all_ram,$oid_mem_share, $oid_mem_cached,$oid_mem_Buffer,$oid_mem_free, $oid_uptime, $oid_sysname), true); //连不上会有超时报警
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if ($rep === false) {
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$session->close();
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return $result;
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} else {
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$cpu_v = 0;
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$cpu_sort = 0;
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if (isset($rep[$oid_cpu_2])) {
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$cpu_2 = $rep[$oid_cpu_2];
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$cpu_2_v = explode(":", $cpu_2)[1];
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$cpu_2_v = floatval($cpu_2_v);
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$cpu_v = $cpu_2_v;
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$cpu_sort = $cpu_v;
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}
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$memv = "0";
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$memv_percent = "";
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$umbv = "0";
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$fumv = "0";
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if (isset($rep[$oid_all_ram])) {
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$mem = $rep[$oid_all_ram];
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$memlist = explode(":", $mem);
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$memvalue = $memlist[1];
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$memnumb = explode(" ", $memvalue);
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$memv_i = intval($memnumb[1] / 1024 / 1024);
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$memv = $memv_i;
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$used_mem = $rep[$oid_mem_free];//可用
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$um = explode(":", $used_mem)[1];
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$umb = explode(" ", $um);
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$umbv = round($umb[1] / 1024 / 1024,2);
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$aswap_mem = $rep[$oid_mem_aswap];//可用
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$aswap = explode(":", $aswap_mem)[1];
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$aswap = explode(" ", $aswap);
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$swapv = round($aswap[1] / 1024 / 1024,2);
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$umbv = $umbv-$swapv;//真是free值
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$cached_mem = $rep[$oid_mem_cached];//cached
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$fum = explode(":", $cached_mem)[1];
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$fum = explode(" ", $fum);
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$fumv = round($fum[1] / 1024 / 1024,2);
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$buffer_mem = $rep[$oid_mem_Buffer];//cached
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$buffer = explode(":", $buffer_mem)[1];
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$buffer = explode(" ", $buffer);
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$bumv = round($buffer[1] / 1024 / 1024,2);
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$share_mem = $rep[$oid_mem_share];//cached
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$share = explode(":", $share_mem)[1];
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$share = explode(" ", $share);
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$shmv = round($share[1] / 1024 / 1024,2);
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if(($shmv+$fumv+$bumv)>$memv){
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$memv_percent = round(abs($memv-$umbv-$fumv-$bumv+$shmv) / $memv * 100, 0) . "%";
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}else{
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$memv_percent = round(abs($memv-$umbv-$fumv-$bumv) / $memv * 100, 0) . "%";
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}
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}
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$uptime = "";
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if (isset($rep[$oid_uptime])) {
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$uptime = $rep[$oid_uptime];
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$uptime = explode(") ", $uptime);
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$uptime = $uptime[1];
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}
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$hostname = "";
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if (isset($rep[$oid_sysname])) {
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$hostname = $rep[$oid_sysname];
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$hostname = explode(": ", $hostname)[1];
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}
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$session->close();
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$result[] = $cpu_v;
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$result[] = $memv; //总内存大小
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$result[] = $cpu_sort; //
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$result[] = $uptime; //开机时间
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$result[] = $hostname; //主机名
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$result[] = $memv_percent; //内存使用率
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$result[] = $memv-$umbv;//内存使用
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$result[] = $fumv;
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}
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} catch (\Throwable $th) {
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//未知异常；
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}
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return $result;
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}
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//硬盘信息获取；
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function diskInfo($ip, $community)
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{
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$disklist = [];
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try {
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@$Index = snmp2_walk($ip, $community, "HOST-RESOURCES-MIB::hrStorageIndex", 1000000, 2);
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@$Type = snmp2_walk($ip, $community, "HOST-RESOURCES-MIB::hrStorageType", 1000000, 2);
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@$Descr = snmp2_walk($ip, $community, "HOST-RESOURCES-MIB::hrStorageDescr", 1000000, 2);
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@$AS = snmp2_walk($ip, $community, "HOST-RESOURCES-MIB::hrStorageSize", 1000000, 2); //簇的的数目
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@$US = snmp2_walk($ip, $community, "HOST-RESOURCES-MIB::hrStorageUsed", 1000000, 2); //使用多少，跟总容量相除就是占用率
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@$Units = snmp2_walk($ip, $community, "HOST-RESOURCES-MIB::hrStorageAllocationUnits", 1000000, 2); //簇大小
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if(!empty($Index)){
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for ($i = 0; $i < count($Index); $i++) {
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$temp = array();
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$index_one = $Index[$i];
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$type_one = $Type[$i];
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$descr_one = $Descr[$i];
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$as_one = $AS[$i];
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$us_one = $US[$i];
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$unit_one = $Units[$i];
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$i_v = explode(": ", $index_one)[1];
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$t_v = explode("::", $type_one)[1];
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$d_v = explode(": ", $descr_one)[1];
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$a_v = explode(": ", $as_one)[1];
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$u_v = explode(": ", $us_one)[1];
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$unit_v = explode(" ", $unit_one)[1];
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if ($t_v == "hrStorageFixedDisk") {
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$temp["index"] = $i_v;
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$temp["path"] = $d_v;
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$temp["allspace"] = round(($a_v / 1024 / 1024 / 1024) * $unit_v, 2) . 'GB';
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$temp["usedspace"] = round(($u_v / 1024 / 1024 / 1024) * $unit_v, 2) . 'GB';
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if ($a_v != 0) {
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$temp["diskpercent"] = round($u_v / $a_v * 100, 2) . '%';
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} else {
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$temp["diskpercent"] = "";
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}
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$disklist[] = $temp;
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}
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}
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}
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} catch (\Throwable $th) {
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return array();
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}
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return $disklist;
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}
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/**
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* 获取tcp连接数；
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*/
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function getTcpInfo($ip, $community)
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{
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$result = 0;
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@$tcpCurrEstab = snmp2_walk($ip, $community, "TCP-MIB::tcpCurrEstab.0", 1000000, 2);
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if($tcpCurrEstab){
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$info = $tcpCurrEstab[0];
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$result = intval(explode(": ", $info)[1]);
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}
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return $result;
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}
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/**
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* 获取cpu核心数和使用率
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* （cpu负载值之和/处理器的个数）%
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* hrProcessorLoad 负载值，多个；
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*
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*/
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function getCpuInfo($ip, $community)
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{
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$result = array();
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@$cpu_proc = snmp2_walk($ip, $community, "HOST-RESOURCES-MIB::hrProcessorLoad", 1000000, 2);
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if($cpu_proc){
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$cpu_count = count($cpu_proc);
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$cpu_v = 0;
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for ($i = 0; $i < $cpu_count; $i++) {
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$cpu_p = $cpu_proc[$i];
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$v = explode(": ", $cpu_p)[1];
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$cpu_v += $v;
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}
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$result["count"] = $cpu_count;
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$result["usage"] = round($cpu_v / $cpu_count, 2) . '%';
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}
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// $result["count"] = 1;
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// $result["usage"] = '1%';
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return $result;
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}
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/**
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* 获取当前流量
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*
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*/
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function ifinoutInfo($ip, $community)
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{
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@$curr_in = snmp2_walk($ip, $community, "IF-MIB::ifHCInOctets", 1000000, 2);
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@$curr_out = snmp2_walk($ip, $community, "IF-MIB::ifHCOutOctets", 1000000, 2);
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$list = array();
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if($curr_in){
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for ($i = 0; $i < count($curr_in); $i++) {
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$temp = [];
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$in_one = $curr_in[$i];
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$out_one = $curr_out[$i];
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$i_v = explode(": ", $in_one)[1];
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$o_v = explode(": ", $out_one)[1];
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$temp["in"] = $i_v;
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$temp["out"] = $o_v;
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$list[] = $temp;
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}
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}
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return $list;
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}
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/**
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* 发起http post请求(REST API), 并获取REST请求的结果
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* @param string $url
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* @param string $param
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* @return - http response body if succeeds, else false.
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*/
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function request_post($postUrl = '', $curlPost = array())
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{
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if (empty($postUrl) || empty($curlPost)) {
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return false;
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}
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// 初始化curl
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$curl = curl_init();
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curl_setopt($curl, CURLOPT_URL, $postUrl);
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curl_setopt($curl, CURLOPT_HEADER, 0);
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// 要求结果为字符串且输出到屏幕上
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curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
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curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
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curl_setopt($curl, CURLOPT_NOSIGNAL, true);
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curl_setopt($curl, CURLOPT_CONNECTTIMEOUT_MS, 4000);
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curl_setopt($curl, CURLOPT_TIMEOUT_MS, 5000);
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// curl_setopt($curl, CURLOPT_TIMEOUT,10);
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// post提交方式
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curl_setopt($curl, CURLOPT_POST, 1);
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curl_setopt($curl, CURLOPT_POSTFIELDS, http_build_query($curlPost));
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// 运行curl
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$data = curl_exec($curl);
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$curl_errno = curl_errno($curl);
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curl_close($curl);
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if ($curl_errno > 0) {
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return ""; //错误返回空；
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}
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return $data;
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}
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