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上一篇博文“分析工具Awstats实战之Nginx篇-分析结果静态化 http://www.linuxidc.com/Linux/2013-10/92150.htm”介绍了如何将awstats的日志分析信息用静态页面来进行显示,不过显示效果肯定没有动态的好啦。本篇博文将带大家一起来部署动态的分析结果查阅。
环境:
CentOS 6.4
ip:192.168.1.113
域名:www.linuxidc.com(server和client都通过hosts文件解析)
nginx-1.2.9 编译安装,路径/usr/local/nginx,服务开启状态
日志记录格式为nginx默认的,切勿更改,否则会造成awstats无法分析日志。
log_format main '$remote_addr - $remote_user [$time_local] "$request" '
'$status $body_bytes_sent "$http_referer" '
'"$http_user_agent" "$http_x_forwarded_for"';
awstats-7.2.tar.gz CPAN-2.00.tar.gz FCGI-0.74.tar.gz FCGI-ProcManager-0.24.tar.gz
必须有perl-devel,不然无法编译FCGI。
一、日志自动切割
对于nginx的日志切割,由于没有像apache一样去用cronolog工具,这里我们就写一个脚本,让它可以在每天00:01自动执行,切割昨天的日志(交由awstats分析),压缩前天的日志(压缩日志可减小存储空间,为防止awstats没有分析完就被压缩,所以只压缩前天的日志)。
vim /server/scripts/cut_nginx_log.sh
输入以下内容:
#!/bin/sh
yesterday=`date -d "yesterday" +"%Y%m%d"`
before_yesterday=`date -d "-2 day" +"%Y%m%d"`
Nginx_Dir="/usr/local/nginx"
Nginx_logs="/app/logs"
Log_Name="www_access"
cd /tmp
[ -d $Nginx_Logs ] && cd $Nginx_logs || exit 1
[ -f $Log_Name.log ] && /bin/mv $Log_Name.log ${Log_Name}_${yesterday}.log || exit 1
if [ $? -eq 0 -a -f $Nginx_Dir/logs/nginx.pid ]
then
kill -USR1 `cat $Nginx_Dir/logs/nginx.pid`
fi
[ -f ${Log_Name}_${before_yesterday}.log ] && /usr/bin/gzip ${Log_Name}_${before_yesterday}.log|| exit 1
执行crontab -e将该脚本加入定时任务中
1 0 * * * /bin/sh /server/scripts/cut_nginx_log.sh >/dev/null 2>&1
这样每天凌晨00:01就能自动实现日志的切割,压缩等功能了。
因为本次实验下的nginx此时已经有日志了,另外为了后文awstats能对切割过的日志进行分析,所以这里我们要运行一下此脚本,来将现有日志进行切割生成昨天的日志方便后文操作。
/bin/sh /server/scripts/cut_nginx_log.sh >/dev/null 2>&1
二、配置FCGI
1、安装CPAN
wget http://search.cpan.org/CPAN/authors/id/A/AN/ANDK/CPAN-2.00.tar.gz
tar zxf CPAN-2.00.tar.gz
cd CPAN-2.00
perl Makefile.PL
make && make install
2、安装FCGI和FCGI::ProcManager
wget http://search.cpan.org/CPAN/authors/id/F/FL/FLORA/FCGI-0.74.tar.gz
tar zxf FCGI-0.74.tar.gz
cd FCGI-0.74
第一种安装方法:perl -MCPAN -e 'install FCGI'
第二种安装方法:perl Makefile.PL
make&&make install
wget http://search.cpan.org/CPAN/authors/id/B/BO/BOBTFISH/FCGI-ProcManager-0.24.tar.gz
tar zxf FCGI-ProcManager-0.24.tar.gz
cd FCGI-ProcManager-0.24
第一种安装方法:perl -MCPAN -e 'install FCGI::ProcManager'
第二种安装方法:perl Makefile.PL
make&&make install
在执行第一种安装方法的时候,一定是全程自动滚动下来提示OK的。如果出现提示你输入yes之类的,你需要按提示操作完之后,再运行第二次直到全程自动滚动下来提示OK才为完成安装。或者你就用第二种方法来执行安装。
3、创建FCGI启动文件
vi /usr/local/nginx/sbin/fcgi #此处按个人习惯命名
#!/usr/bin/perl
use FCGI;
#perl -MCPAN -e 'install FCGI'
use Socket;
use POSIX qw(setsid);
#use Fcntl;
require 'syscall.ph';
&daemonize;
#this keeps the program alive or something after exec'ing perl scripts
END() { } BEGIN() { }
*CORE::GLOBAL::exit = sub { die "fakeexit\nrc=".shift()."\n"; };
eval q{exit};
if ($@) {
exit unless $@ =~ /^fakeexit/;
};
&main;
sub daemonize() {
chdir '/' or die "Can't chdir to /: $!";
defined(my $pid = fork) or die "Can't fork: $!";
exit if $pid;
setsid or die "Can't start a new session: $!";
umask 0;
}
sub main {
#$socket = FCGI::OpenSocket( "127.0.0.1:8999", 10 );
$socket = FCGI::OpenSocket( "/usr/local/nginx/fastcgi_temp/perl_cgi-dispatch.sock", 10 );
#use UNIX sockets - user running this script must have w access to the 'nginx' folder!!
$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) ){
my $bytes_read = 0;
while ($bytes_read < $req_len) {
my $data = '';
my $bytes = read(STDIN, $data, ($req_len - $bytes_read));
last if ($bytes == 0 || !defined($bytes));
$stdin_passthrough .= $data;
$bytes_read += $bytes;
}
}
#running the cgi app
if ( (-x $req_params{SCRIPT_FILENAME}) && #can I execute this?
(-s $req_params{SCRIPT_FILENAME}) && #Is this file empty?
(-r $req_params{SCRIPT_FILENAME}) #can I read this file?
){
pipe(CHILD_RD, PARENT_WR);
my $pid = open(KID_TO_READ, "-|");
unless(defined($pid)) {
print("Content-type: text/plain\r\n\r\n");
print "Error: CGI app returned no output - Executing $req_params
{SCRIPT_FILENAME} failed !\n";
next;
}
if ($pid > 0) {
close(CHILD_RD);
print PARENT_WR $stdin_passthrough;
close(PARENT_WR);
while(my $s = ) { print $s; }
close KID_TO_READ;
waitpid($pid, 0);
} else {
foreach $key ( keys %req_params){
$ENV{$key} = $req_params{$key};
}
# cd to the script's local directory
if ($req_params{SCRIPT_FILENAME} =~ /^(.*)\/[^\/]+$/) {
chdir $1;
}
close(PARENT_WR);
close(STDIN);
#fcntl(CHILD_RD, F_DUPFD, 0);
syscall(&SYS_dup2, fileno(CHILD_RD), 0);
#open(STDIN, " |
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