function get_load_heatmap($hosts_up, $host_regex, $metrics, $data, $sort)
{
foreach ($hosts_up as $host => $val) {
// If host_regex is defined
if (isset($host_regex) && !preg_match("/" . $host_regex . "/", $host)) {
continue;
}
$load = get_load($host, $metrics);
$host_load[$host] = $load;
}
$num_hosts = count($host_load);
if ($num_hosts == 0) {
return;
}
switch ($sort) {
case "descending":
arsort($host_load);
break;
case "by name":
uksort($host_load, "strnatcmp");
break;
default:
case "ascending":
asort($host_load);
break;
}
$num_cols = ceil(sqrt($num_hosts));
$col_index = 0;
$row_index = 0;
$heatmap = '[';
foreach ($host_load as $host => $load) {
if ($col_index == 0) {
if ($row_index > 0) {
$heatmap .= ',';
}
$heatmap .= '[';
}
if ($col_index > 0) {
$heatmap .= ',';
}
$heatmap .= "{host:\"{$host}\",load:{$load}}";
if ($col_index == $num_cols - 1) {
$heatmap .= ']';
$col_index = 0;
$row_index++;
} else {
$col_index++;
}
}
if ($col_index != 0) {
for ($i = 0; $i < $num_cols * $num_cols - $num_hosts; $i++) {
$heatmap .= ",{host:\"unused\",load:0}";
}
$heatmap .= ']';
}
$heatmap .= ']';
$data->assign("heatmap_data", $heatmap);
}
function get_load_heatmap($hosts_up, $user, $metrics, $data)
{
foreach ($hosts_up as $host => $val) {
// If host_regex is defined
if (isset($user['host_regex']) && !preg_match("/" . $user['host_regex'] . "/", $host)) {
continue;
}
$load = get_load($host, $metrics);
$host_load[$host] = $load;
}
$num_hosts = count($host_load);
$matrix = ceil(sqrt($num_hosts));
$xindex = 0;
$yindex = 0;
foreach ($host_load as $key => $value) {
if ($xindex >= $matrix) {
$string_array[] = "[" . join(",", $matrix_array[$yindex]) . "]";
$yindex++;
$xindex = 0;
}
$matrix_array[$yindex][$xindex] = $value;
$xindex++;
}
$string_array[] = "[" . join(",", $matrix_array[$yindex]) . "]";
$conf['heatmap_size'] = 200;
$heatmap = join(",", $string_array);
$data->assign("heatmap", $heatmap);
$data->assign("heatmap_size", floor($conf['heatmap_size'] / $matrix));
}
{
$errno = 0;
$errstr = '';
$conn = @fsockopen($server, 22, $errno, $errstr, TIMEOUT);
if (is_resource($conn)) {
fclose($conn);
return true;
} else {
return false;
}
}
if (count($argv) <= 1) {
die("Please provide me with the server name or address as the first input argument");
}
// only argument is our server name (or IP)
$server = $argv[1];
if (!has_open_ssh_port($server)) {
die("OFFLINE");
}
$load = get_load($server);
if ($load === false) {
die("ONLINE");
}
// Extract the 1min load:
preg_match('/load1=([0-9.]+);/', $load, $matches);
if (count($matches) >= 1) {
die(doubleval($matches[1]));
} else {
// This shouldn't happen but we can just return online then. No harm
die("ONLINE");
}
<tr>
<td><img src='icons/up-alt-icon.png' alt='Uptime' />Server Uptime :</td>
<td><?php
if (isset($ch2) && $ch2 == 'selected') {
echo get_uptime();
} else {
echo "Not selected";
}
?>
</td>
</tr>
<tr>
<td><img src='icons/loaded-truck.png' alt='Load' />Average Load :</td>
<td><?php
if (isset($ch3) && $ch3 == 'selected') {
echo get_load();
} else {
echo "Not selected";
}
?>
</td>
</tr>
<tr>
<td><img src="icons/intel-2-icon.png" alt="CPU" />Server CPU Info :</td>
<td><?php
if (isset($ch4) && $ch4 == 'selected') {
echo get_cpuinfo();
} else {
echo "Not selected";
}
?>
/**
* 服务器探针.测试支持CENTOS.REDHAT.
* - 获取服务器负载
* - 获取所有网卡状态
* - 获取CPU使用率
* - 获取磁盘使用率
* - 获取内存使用率
* 该探针需要PHP支持EXEC函数,可以在CGI模式下运行,依赖系统内置的IFCONFI,TOP,UPTIME,DF工具获取数据.
*
* @copyright (c) 2013, mMonitor.org
* @version 1.0.1
* @author Actrace
* @date 2013-11-26 14:48:41
*/
if (runtime_check()) {
echo json_encode(array('Load' => get_load(), 'Network' => get_network_status(), 'Memory' => get_mem_status(), 'Disk' => get_disk_status(), 'Cpu' => get_cpu_status()));
} else {
echo 'need function[exec]';
}
function get_load()
{
exec('uptime', $return, $res);
preg_match_all('|load average: (.*), (.*), (.*)|', $return[0], $macth);
return $macth;
}
function get_network()
{
exec('ifconfig', $return, $res);
$tmp = '';
$res = array();
$content = array();
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
require_once 'lib_statistics.php';
require_once 'config.inc';
$jobs = get_job_infos();
echo '<?xml version="1.0" standalone="yes"?>' . PHP_EOL;
echo '<statistics>' . PHP_EOL;
echo ' <performance_idx>' . $performance_idx . '</performance_idx>' . PHP_EOL;
echo ' <max_num_threads>' . get_max_num_threads() . '</max_num_threads>' . PHP_EOL;
echo ' <max_num_jobs>' . get_max_num_jobs() . '</max_num_jobs>' . PHP_EOL;
echo ' <num_jobs>' . get_num_jobs() . '</num_jobs>' . PHP_EOL;
echo ' <load>' . get_load() . '</load>' . PHP_EOL;
echo ' <encoding_pgm>' . $encoding_pgm['name'] . '</encoding_pgm>' . PHP_EOL;
echo ' <encoding_desc>' . $encoding_pgm['description'] . '</encoding_desc>' . PHP_EOL;
echo ' <jobs>' . PHP_EOL;
foreach ($jobs as $job) {
echo ' <job>' . PHP_EOL;
echo ' <pid>' . $job['pid'] . '</pid>' . PHP_EOL;
echo ' <time>' . $job['time'] . '</time>' . PHP_EOL;
echo ' <state>' . $job['state'] . '</state>' . PHP_EOL;
echo ' </job>' . PHP_EOL;
}
echo ' </jobs>' . PHP_EOL;
echo '</statistics>' . PHP_EOL;