- iscsiadm -m discovery -t sendtargets -p 172.20.193.40 && sleep 15 && iscsiadm -m node -T iqn.2001-05.com.equallogic:4-42a846-4ee8a9f13-1480000025e58afe-afs50 –login && sleep 15 && mount -a
- mailsend.pl
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#!/usr/bin/perl -w
#
# Program: SMTP mail delivery program
# Author: [email protected]
# Date: 17th nov 2008
#
# This script takes an smtp server as its only argument, reads an email
# on standard input, and delivers it to the smtp server for relaying to
# the final destination. For example,
#
# % mailsend.pl smtp.mycompany.com < myemail.txt
#
# Where “myemail.txt” contains the necessary mail headers, as well as
# the body text. For example,
#
# From: [email protected]
# To: [email protected]
# Subject: hello world
# Date: Sun, 16 Nov 2008 16:25:38 +0800
#
# this is my message
#
# Modified by jeffrey 171209
# now can have multiple recipients in the To/Cc field
use Socket ;
# —————————————————————————–
my $timeout = 30 ; # smtp inactivity timeout (seconds)
my $line = “” ; # general purpose line buffer
my $host = “” ; # the remote host that we’ll connect to
my $mail_from = “” ; # “From:” pulled off mail headers
my $rcpt_to = “” ; # “To:” pulled off mail headers
my @header = () ; # array of lines, which form the mail headers
# —————————————————————————–
# This function is supplied a email address in the format
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- get-mptstatus.sh
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#!/bin/bash
# This script uses mpt-status to probe /dev/mptctl to find out status of the LSI HW raid array
MPTSTATUS=”/usr/local/bin/mpt-status”
SMTP_SERVER=”smtp.bii-sg.org”
if [ ! -x $MPTSTATUS ]; then
echo “cannot find $MPTSTATUS”
exit
fi
host $SMTP_SERVER | grep “has address”
if [ $? -ne 0 ]; then
SMTP_SERVER=”123.136.68.157″
fi
cat /proc/kallsyms | grep mptctl > /dev/null
# we check the kernel table symbols, not found then try to load as kernel module.
# so there is no need to modprobe if mptctl is compiled in 🙂
if [ $? -ne 0 ]; then
/sbin/modprobe mptctl
if [ $? -ne 0 ]; then
echo “mptctl module not found, please recompile kernel module”
echo “Look at – <kernelsource>/drivers/message/fusion/Kconfig for details”
exit
fi
fi
sleep 2
if [ ! -e /dev/mptctl ]; then
/bin/mknod /dev/mptctl c 10 220
fi
# get the right “-i <controller_id>”
RUNMPT=`$MPTSTATUS -p | grep ‘mpt-status -i’ | sed ‘s/^.*\(mpt-status -i [0-9]\).*$/\1/’`
STATE=`/usr/local/bin/$RUNMPT | grep -w OPTIMAL | sed ‘s/^.*\(OPTIMAL\).*$/\1/’`
if [ “$STATE” != “OPTIMAL” ]; then
echo “hardware raid degraded on `date`” >> /var/log/messages
# we call sendmail.pl here
HOSTNAME=`hostname -f`
echo “From: [email protected]$HOSTNAME” > /root/bin/alertmail.txt
echo “To: [email protected]” >> /root/bin/alertmail.txt
echo “Subject: mpt-status alert – x4100 hardware raid is degraded” >> /root/bin/alertmail.txt
echo ” ” >> /root/bin/alertmail.txt
echo “$HOSTNAME hardware raid in degraded mode – please replace HDD immediately” >> /root/bin/alertmail.txt
/root/bin/mailsend.pl $SMTP_SERVER < /root/bin/alertmail.txt
fi
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- iscsi.sh
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#!/bin/bash
mount | grep sdc1 || /root/bin/mailsend.pl 123.136.68.157 < /root/bin/iscsinotmounted.txt
sleep 30 && echo $(date) > /vicepa/date || /root/bin/mailsend.pl 123.136.68.157 < /root/bin/cannotwrite2iscsi.txt
sleep 60 && rm -f /vicepa/date || /root/bin/mailsend.pl 123.136.68.157 < /root/bin/cannotwrite2iscsi.txt
# Joe Smith <[email protected]>
# and it returns :
sub f_email_addr
{
my $addr = $_[0] ;
$addr =~ s/^.+\<//g ;
$addr =~ s/\>.*$//g ;
return ($addr) ;
}
# This function sends a line to the remote smtp server, and reads a reply.
# The first argument is expected to be an established tcp connection. The
# line is supplied as the second argument, and the expected smtp reply
# code (number) is specified as the third argument. If the supplied smtp
# code is received, we return an empty string, otherwise something is
# presumed to have gone wrong and we return the entire reply string.
# Finally, an inactivity timeout is enforced. If triggered, the string
# “inactivity timed out” is returned.
sub f_smtp_dialog
{
my $fd = $_[0] ;
my $msg = $_[1] ;
my $expect = $_[2] ;
my $buf = “” ;
# deliver a message to the remote smtp server, if one is specified.
if (length ($msg) > 0)
{ printf ($fd “$msg”) ; }
eval
{
alarm ($timeout) ;
$buf = <$fd> ;
alarm (0) ;
} ;
if ($buf =~ /^$expect/)
{ return (“”) ; }
chomp ($buf) ;
return ($buf) ;
}
# —————————————————————————–
# check usage first …
if ($#ARGV != 0)
{
printf (“Usage : %s <smtp server> < mail.txt\n”, $0) ;
exit (1) ;
}
# try to read in mail header from stdin.
while ($line = <STDIN>)
{
chomp ($line) ;
if ($line =~ /^To:/)
{
$rcpt_to = $line ;
$rcpt_to =~ s/To: // ;
[email protected]=split(/,/,$rcpt_to);
foreach(@recp){
push(@recp_to, f_email_addr($_));
}
}
if ($line =~ /^Cc:/)
{
my$tline;
$tline=$line ;
$tline=~ s/Cc: // ;
[email protected]=split(/,/,$tline);
foreach(@recp){
push(@recp_to, f_email_addr($_));
}
}
if ($line =~ /^From:/)
{
$mail_from = $line ;
$mail_from =~ s/From: // ;
$mail_from = f_email_addr ($mail_from) ;
}
if ($line =~ /^$/)
{
last ;
}
$header[$#header+1] = $line ;
}
# check that we know who we’re sending mail from, and to.
if (length ($mail_from) < 1)
{
printf (“FATAL! Do not know who this mail is from. No ‘From: xx’.\n”) ;
exit (1) ;
}
if ($#recp_to < 0)
{
printf (“FATAL! Do not know who this mail is to. No ‘To: xx’.\n”) ;
exit (1) ;
}
# now attempt to connect to smtp server.
$host = inet_aton ($ARGV[0]) ||
die (“FATAL! Host not found $ARGV[0],$!”) ;
socket ($SD, PF_INET, SOCK_STREAM, getprotobyname (“tcp”)) ||
die (“FATAL! socket() failed,$!”) ;
eval
{
local $SIG{ALRM} = sub
{ printf (“FATAL! Connect to $ARGV[0] timed out.\n”) ; exit (1) ; } ;
alarm ($timeout) ;
connect ($SD, sockaddr_in (25, inet_aton ($ARGV[0]))) ||
die (“FATAL! Cannot connect to $ARGV[0] on port 25,$!”) ;
alarm (0) ;
} ;
select ($SD) ;
$| = 1 ;
select (STDOUT) ;
# perform the standard dialog with the smtp server.
$line = f_smtp_dialog ($SD, “”, 220) ;
if (length ($line) > 0)
{ printf (“FATAL! $ARGV[0] said: %s\n”, $line) ; exit (1) ; }
$line = f_smtp_dialog ($SD, “HELO localhost\n”, 250) ;
if (length ($line) > 0)
{ printf (“FATAL! $ARGV[0] said: %s\n”, $line) ; exit (1) ; }
$line = f_smtp_dialog ($SD, “MAIL FROM: $mail_from\n”, 250) ;
if (length ($line) > 0)
{ printf (“FATAL! $ARGV[0] said: %s\n”, $line) ; exit (1) ; }
#$line = f_smtp_dialog ($SD, “RCPT TO: $rcpt_to\n”, 250) ;
#if (length ($line) > 0)
# { printf (“FATAL! $ARGV[0] said: %s\n”, $line) ; exit (1) ; }
foreach(@recp_to){
my$k=$_;
#print “k $k\n”;
$line = f_smtp_dialog ($SD, “RCPT TO: $k\n”, 250) ;
if (length ($line) > 0)
{ printf (“FATAL! $ARGV[0] said: %s\n”, $line) ; exit (1) ; }
}
$line = f_smtp_dialog ($SD, “DATA\n”, 354) ;
if (length ($line) > 0)
{ printf (“FATAL! $ARGV[0] said: %s\n”, $line) ; exit (1) ; }
# now print out the mail header and read the rest of the mail body.
foreach (@header)
{ print ($SD “$_\n”) ; }
print ($SD “\n”) ;
while ($line = <STDIN>)
{ print ($SD “$line”) ; }
$line = f_smtp_dialog ($SD, “.\n”, 250) ;
if (length ($line) > 0)
{ printf (“FATAL! $ARGV[0] said: %s\n”, $line) ; }
$line = f_smtp_dialog ($SD, “QUIT\n”, 221) ;
if (length ($line) > 0)
{ printf (“FATAL! $ARGV[0] said: %s\n”, $line) ; }
exit (0) ;
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