监控网站的性能和 uptime代码,Perl代码库,德仔网

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【Perl】监控网站的性能和 uptime
作者:gogo / 发布于2014/1/17/ 970
#!/usr/bin/perl

usewarnings;

usestrict;

useTie::File;

useNet::SMTP;

useLWP::UserAgent;



#################################################################

# Program Settings

#

my $error_log = 'Responser_errors.txt';# File to store errors of program

my$input_file='urls.txt';# From where program will read WEB Addresses

my$smtp_file='SMTP_Settings.txt';# File for SMTP Settings

my$response_limit= 12;#In Seconds # Positively diggit -> SendMail;

# 0 -> will not send mail

my$send_mail= 1;# my $send_mail = 1; ->SMTP option is ON,

# my $send_mail = 0; ->SMTP option is OFF

##################################################################

# END OF SETTINGS

# Do not edit bellow if you dont understand it.

##################################################################

die"File $input_file is not exist\n"unless(-e$input_file);

die"SMTP is ON, but file $smtp_file is not exist\n"unless(-e$smtp_file);

my$localtime=localtime;

our@errors;

my($day,$month,$date,$hour,$year) =split/\s+/,scalarlocaltime;

my$output_file='report-'.$date.'.'.$month.'.'.$year.'.txt';

my($smtp_host,$recipient,$reverse_path,@all_addr) = ();

tie@all_addr,'Tie::File',

$input_fileor error("Cant open $input_file to read addresses");

if(-e$output_file) {

open(OUT,">> $output_file")

or error("Cant open exist file $output_file for append");

}else{

open(OUT,"> $output_file")

or error("Cant open new file $output_file for writting");

}

my@smtp_settings;

if($^O =~ /win/i) {

tie@smtp_settings,'Tie::File',$smtp_file,,

recsep =>"\012"

or error("Cant open $smtp_file to read SMTP settings");

}else{

tie@smtp_settings,'Tie::File',$smtp_file,autochomp =>'0'

or error("Cant open $smtp_file to read SMTP settings");

}

for(@smtp_settings) {

chomp;

nextif/^#/;

#next if /^$/;

if(/^(\w+)\s=\s'(\S+)'/) {

$smtp_host=$2if($1eq'SMTPHost');

$recipient=$2if($1eq'Recipient');

$reverse_path=$2if($1eq'Reverse');

}

}

printOUT"\n+".('-'x 84) ."+\n";

printOUT"|",' 'x 30,"Time: $hour",' 'x 40,"|\n";

printOUT"|",' 'x 10,'HOST',' 'x 37,'STATUS',' 'x 7,

"RESPONSE |\n";

printOUT"+".('-'x 84) ."+\n";

for(0 .. $#all_addr) {

chop$all_addr[$_]if($all_addr[$_] =~ /\s+$/);

nextif($all_addr[$_] eq"");

if($all_addr[$_] =~ /^http:\/\/\S+\.\w{2,4}$/) {

#address will beginnig withhttp://,next some string

# finish with point and 2 to 4 letters

check_url($all_addr[$_]);#call subroutine check_url()

}else{

my$out_format=sprintf"| %-50.50s %-10s %-20s|\n",

$all_addr[$_],"WRONG","N/A";

printfOUT$out_format;

printf$out_format;

push@errors,"$all_addr[$_] is WRONG Address.";

}

}



my$err=join"\015\012",@errors;

my$err_num=scalar@errors;# How match DOWN + WRONG Sites have

$send_mail= 0unless$err_num;

untie@all_addror error("Unable to close file $input_file");

if($send_mail) {

my$smtp= Net::SMTP->new($smtp_host,

-Debug=>1,

-Timeout=>20,

-Hello=>"$smtp_host")

or error("Cant connect to $smtp_host");

# Begin Compare mail message

my$msg= <<__END_OF_MAIL__;

To:$recipient

Subject:$err_numError Sites |$localtime.

$localtime

$err



__END_OF_MAIL__

# End Compare



$smtp->mail("$reverse_path")

or error("Failed to specify a reverse-path");# If all is OK

$smtp->to($recipient)

or error("Failed to specify a recipient");# that will

$smtp->data([$msg])

or error("Failed to send a message");# send mail

$smtp->quit or error("Failed to quit");# to You

}else{

print"Send Mail is OFF\n"if$err_num;# If you do not wish to receive mail

}



closeOUT or error("Unable to close file $output_file");

print"\nProcess FINISH\n";



subcheck_url {# subroutine who check given URL

my$target=$_[0];

my$ua= LWP::UserAgent->new;

$ua->agent("$0/0.1 ".$ua->agent);

my$req= HTTP::Request->new(GET =>"$target");

$req->header('Accept'=>'text/html');#Accept HTML Page

# send request

my$start=time;# Start timer

my$res=$ua->request($req);

# check the outcome

if($res->is_success) {

# Success....all content of page has been received

my$time=time;# End timer

my$out_format;

$time= ($time-$start);# Result of timer

if($response_limit&& ($response_limit<=$time)) {

push(@errors,"Slow response from $target\: $time seconds");

$out_format=sprintf"| %-50.50s %-10s %-20s |\n",

$target,"SLOW","Response $time seconds";

}else{

$out_format=sprintf"| %-50.50s %-10s %-20s |\n",

$target,"ACCESSED","Response $time seconds";

}

printOUT$out_format;# write to file

print$out_format;# print to console

}else{# Error .... Site is DOWN and script send e-mail to you..

my$out_format=sprintf"| %-50.50s %-10s %-20s |\n",

$target,"DOWN"," N/A";

push(@errors,"$target is DOWN.".$res->status_line)

or error("Cannot push error for DOWN");

printOUT$out_format;# write to file

print$out_format;# print to console

}

}

suberror {# subroutine who print in Error Log

my$error_msg=shift;

openERR,">> $error_log"

ordie"Cannot open log file $error_log : $!\n";

printERR"$localtime\: $error_msg : $!\n";

closeERR ordie"Cannot close log file $error_log : $!\n";

}
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