nginx中安装配置nagios监控服务的详细教程
安装环境：centos5.5
一、Nginx平台安装
1、下载相关软件
FCGI-0.67.tar.gz
FCGI-ProcManager-0.18.tar.gz
IO-All-0.39.tar.gz
nagios-3.2.3.tar.gz
nagios-plugins-1.4.15.tar.gz
2、建立相关用户
复制代码代码示例:
useradd nagios
groupadd nagcmd
usermod -g nagcmd nagios
usermod -g nagcmd www
3、安装Nagios
复制代码代码示例:
tar zxvf nagios-3.2.3.tar.gz
cd nagios-3.2.3
./configure --with-group=nagios --with-user=nagios --with-command-group=nagcmd --with-gd-lib=/usr/local/gd/lib --with-gd-inc=/usr/local/gd/include (0608更新)
make all
make install
make install-init
make install-config
make install-commandmode
4、安装Nagios插件
复制代码代码示例:
tar zxvf nagios-plugins-1.4.15.tar.gz
cd nagios-plugins-1.4.15
./configure --with-nagios-user=nagios --with-nagios-group=nagios
make
make install
5、配置Nagios启动
复制代码代码示例:
chkconfig --add nagios
chkconfig nagios on
service nagios start
6、安装Perl fcgi模块，让Nginx支持CGI
复制代码代码示例:
tar -zxf FCGI-0.67.tar.gz
cd FCGI-0.67
perl Makefile.PL
make && make install
tar -zxf FCGI-ProcManager-0.18.tar.gz
cd FCGI-ProcManager-0.18
perl Makefile.PL
make && make install
tar zxf IO-All-0.39.tar.gz
cd IO-All-0.39
perl Makefile.PL
make && make install
二、建立nginx-fcgi脚本
vi /usr/local/nginx/sbin/nginx-fcgi
把下面内容写进脚本，并授执行权限
复制代码代码示例:
#!/usr/bin/perl
#
# author Daniel Dominik Rudnicki
# thanks to: Piotr Romanczuk
# email daniel@sardzent.org
# version 0.4.3
# webpage http://www.nginx.eu/
#
# BASED @ http://wiki.codemongers.com/NginxSimpleCGI
#
#
# use strict;
use FCGI;
use Getopt::Long;
use IO::All;
use Socket;
sub init {
GetOptions( "h" => \$help,
"verbose!"=>\$verbose,
"pid=s" => \$filepid,
"l=s" => \$logfile,
"S:s" => \$unixsocket,
"P:i" => \$unixport) or usage();
usage() if $help;
print " Starting Nginx-fcgi\n" if $verbose;
print " Running with $> UID" if $verbose;
print " Perl $]" if $verbose;
# if ( $> == "0" ) {
# print "\n\tERROR\tRunning as a root!\n";
# print "\tSuggested not to do so !!!\n\n";
# exit 1;
# }
if ( ! $logfile ) {
print "\n\tERROR\t log file must declared\n"
. "\tuse $0 with option -l filename\n\n";
exit 1;
}
print " Using log file $logfile\n" if $verbose;
"\n\n" >> io($logfile);
addlog($logfile, "Starting Nginx-cfgi");
addlog($logfile, "Running with $> UID");
addlog($logfile, "Perl $]");
addlog($logfile, "Testing socket options");
if ( ($unixsocket && $unixport) || (!($unixsocket) && !($unixport)) ) {
print "\n\tERROR\tOnly one option can be used!\n";
print "\tSuggested (beacuse of speed) is usage UNIX socket -S \n\n";
exit 1;
}
if ($unixsocket) {
print " Daemon listening at UNIX socket $unixsocket\n" if $versbose;
addlog($logfile, "Deamon listening at UNIX socket $unixsocket");
} else {
print " Daemon listening at TCP/IP socket *:$unixport\n" if $verbose;
#
addlog($logfile, "Daemon listening at TCP/IP socket *:$unixport");
}
if ( -e $filepid ) {
print "\n\tERROR\t PID file $filepid already exists\n\n";
addlog($logfile, "Can not use PID file $filepid, already exists.");
exit 1;
}
if ( $unixsocket ) {
print " Creating UNIX socket\n" if $verbose;
$socket = FCGI::OpenSocket( $unixsocket, 10 );
if ( !$socket) {
print " Couldn't create socket\n";
addlog($logfile, "Couldn't create socket");
exit 1;
}
print " Using UNIX socket $unixsocket\n" if $verbose;
} else {
print " Creating TCP/IP socket\n" if $verbose;
$portnumber = ":".$unixport;
$socket = FCGI::OpenSocket( $unixport, 10 );
if ( !$socket ) {
print " Couldn't create socket\n";
addlog($logfile, "Couldn't create socket");
exit 1;
}
print " Using port $unixport\n" if $verbose;
}
addlog($logfile, "Socket created");
if ( ! $filepid ) {
print "\n\tERROR\t PID file must declared\n"
. "\tuse $0 with option -pid filename\n\n";
exit 1;
}
print " Using PID file $filepid\n" if $verbose;
addlog($logfile, "Using PID file $filepid");
my $pidnumber = $$;
$pidnumber > io($filepid);
print " PID number $$\n" if $verbose;
addlog($logfile, "PID number $pidnumber");
}
sub addzero {
my ($date) = shift;
if ($date < 10) {
return "0$date";
}
return $date;
}
sub logformat {
my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$iddst) = localtime(time);
my $datestring;
$year += 1900;
$mon++;
$mon = addzero($mon);
$mday = addzero($mday);
$min = addzero($min);
$datestring = "$year-$mon-$mday $hour:$min";
return($datestring);
}
sub addlog {
my ($log_file, $log_message) = @_;
my $curr_time = logformat();
my $write_message = "[$curr_time] $log_message";
$write_message >> io($log_file);
"\n" >> io($log_file);
}
sub printerror {
my $message = @_;
print "\n Nginx FastCGI\tERROR\n"
. "\t $message\n\n";
exit 1;
}
sub usage {
print "\n Nginx FastCGI \n"
. "\n\tusage: $0 [-h] -S string -P int\n"
. "\n\t-h\t\t: this (help) message"
. "\n\t-S path\t\t: path for UNIX socket"
. "\n\t-P port\t\t: port number"
. "\n\t-p file\t\t: path for pid file"
. "\n\t-l file\t\t: path for logfile"
. "\n\n\texample: $0 -S /var/run/nginx-perl_cgi.sock -l /var/log/nginx/nginx-cfgi.log -pid /var/run/nginx-fcgi.pid\n\n";
exit 1;
}
init;
#
END() { } BEGIN() { }
*CORE::GLOBAL::exit = sub { die "fakeexit\nrc=".shift()."\n"; }; eval q{exit};
if ($@) {
exit unless $@ =~ /^fakeexit/;
} ;
# fork part
my $pid = fork();
if( $pid == 0 ) {
&main;
exit 0;
}
print " Forking worker process with PID $pid\n" if $verbose;
addlog($logfile, "Forking worker process with PID $pid");
print " Update PID file $filepid\n" if $verbose;
addlog($logfile, "Update PID file $filepid");
$pid > io($filepid);
print " Worker process running.\n" if $verbose;
addlog ($logfile, "Parent process $$ is exiting");
exit 0;
sub main {
$request = FCGI::Request( \*STDIN, \*STDOUT, \*STDERR, \%req_params, $socket );
if ($request) { request_loop()};
FCGI::CloseSocket( $socket );
}
sub request_loop {
while( $request->Accept() >= 0 ) {
# processing any STDIN input from WebServer (for CGI-POST actions)
$stdin_passthrough = '';
$req_len = 0 + $req_params{'CONTENT_LENGTH'};
if (($req_params{'REQUEST_METHOD'} eq 'POST') && ($req_len != 0) ){
while ($req_len) {
$stdin_passthrough .= getc(STDIN);
$req_len--;
}
}
# running the cgi app
if ( (-x $req_params{SCRIPT_FILENAME}) &&
(-s $req_params{SCRIPT_FILENAME}) &&
(-r $req_params{SCRIPT_FILENAME})
){
foreach $key ( keys %req_params){
$ENV{$key} = $req_params{$key};
}
if ( $verbose ) {
addlog($logfile, "running $req_params{SCRIPT_FILENAME}");
}
# http://perldoc.perl.org/perlipc.html#Safe-Pipe-Opens
#
open $cgi_app, '-|', $req_params{SCRIPT_FILENAME}, $stdin_passthrough or print("Content-type: text/plain\r\n\r\n"); print "Error: CGI app returned no output - Executing $req_params{SCRIPT_FILENAME} failed !\n"; # addlog($logfile, "Error: CGI app returned no output - Executing $req_params{SCRIPT_FILENAME} failed !");
if ($cgi_app) {
print <$cgi_app>;
close $cgi_app;
}
} else {
print("Content-type: text/plain\r\n\r\n");
print "Error: No such CGI app - $req_params{SCRIPT_FILENAME} may not exist or is not executable by this process.\n";
addlog($logfile, "Error: No such CGI app - $req_params{SCRIPT_FILENAME} may not exist or is not executable by this process.");
}
}
}
chmod +x /usr/local/nginx/sbin/nginx-fcgi
运行脚本：
复制代码代码示例:
/usr/local/nginx/sbin/nginx-fcgi -l /usr/local/nginx/logs/nginx-fcgi.log -pid /usr/local/nginx/logs/nginx-fcgi.pid -S /usr/local/nginx/logs/nginx-fcgi.sock
把sock授权777：
复制代码代码示例:
chmod 777 /usr/local/nginx/logs/nginx-fcgi.sock
7、配置登陆帐号及密码
注意：如果这里生成的用户不是nagiosadmin的话，需要在/usr/local/nagios/etc/cgi.cfg
配置文件里添加上你的帐号，否则你新建的lihp帐号会没有权限操作nagios
复制代码代码示例:
/usr/local/apache2/bin/htpasswd -c /usr/local/nginx/conf/htpasswd lihp
如果没有apache，可以在网上在线生成一个htpasswd
8、Nginx创建虚拟主机
范例：
复制代码代码示例:
server
{
listen 80;
server_name www.jbxue.com;
root /usr/local/nagios/share;
index index.php;
auth_basic "lihp";
auth_basic_user_file /usr/local/nginx/conf/htpasswd;
#access_log /usr/local/nginx/logs/nagios.log nagios;
location ~ \.cgi$ {
root /usr/local/nagios/sbin;
rewrite ^/nagios/cgi-bin/(.*)\.cgi /$1.cgi break;
fastcgi_index index.cgi;
fastcgi_pass unix:/usr/local/nginx/logs/nginx-fcgi.sock;
fastcgi_param SCRIPT_FILENAME /usr/local/nagios/sbin$fastcgi_script_name;
fastcgi_param QUERY_STRING $query_string;
fastcgi_param REMOTE_ADDR $remote_addr;
fastcgi_param REMOTE_PORT $remote_port;
fastcgi_param REQUEST_METHOD $request_method;
fastcgi_param REQUEST_URI $request_uri;
fastcgi_param REMOTE_USER $remote_user;
#fastcgi_param SCRIPT_NAME $fastcgi_script_name;
fastcgi_param SERVER_ADDR $server_addr;
fastcgi_param SERVER_NAME $server_name;
fastcgi_param SERVER_PORT $server_port;
fastcgi_param SERVER_PROTOCOL $server_protocol;
fastcgi_param SERVER_SOFTWARE nginx;
fastcgi_param CONTENT_LENGTH $content_length;
fastcgi_param CONTENT_TYPE $content_type;
fastcgi_param GATEWAY_INTERFACE CGI/1.1;
fastcgi_param HTTP_ACCEPT_ENCODING gzip,deflate;
fastcgi_param HTTP_ACCEPT_LANGUAGE zh-cn;
}
location ~ .*\.(php|php5)?$
{
#fastcgi_pass unix:/tmp/php-cgi.sock;
fastcgi_pass 127.0.0.1:9000;
fastcgi_index index.php;
include fcgi.conf;
}
}
最后重读配置：
复制代码代码示例:
/usr/local/nginx/sbin/nginx -s reload
然后绑定HOSTS，打开浏览器www.jbxue.com
9、图片不正常的修正方法：
复制代码代码示例:
mkdir -p /usr/local/nagios/share/nagios
ln -s /usr/local/nagios/share/images /usr/local/nagios/share/nagios/images
ln -s /usr/local/nagios/share/stylesheets /usr/local/nagios/share/nagios/stylesheets
10、加载GD动态库(0608更新)
vi /etc/ld.so.conf
复制代码代码示例:
include ld.so.conf.d/*.conf
/usr/local/gd/lib #加入GD动态库路径
然后手动运行一下：
ldconfig
解决了map和trends错误的问题！
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