xcat-core/xCAT-server/sbin/xcat_traphandler
2009-01-22 00:34:04 +00:00

472 lines
12 KiB
Perl
Executable File

#!/usr/bin/env perl
# IBM(c) 2007 EPL license http://www.eclipse.org/legal/epl-v10.html
BEGIN
{
$::XCATROOT = $ENV{'XCATROOT'} ? $ENV{'XCATROOT'} : '/opt/xcat';
}
use lib "$::XCATROOT/lib/perl";
use Sys::Syslog;
use xCAT::Table;
use xCAT_plugin::ipmi;
use xCAT_monitoring::monitorctrl;
use Socket;
#-------------------------------------------------------------------------------
=head1 xcat_traphandler
=head2 Description
Script for SNMP trap handling.
=cut
#-------------------------------------------------------------------------------
# admin needs to create a mail aliase called alerts
# put "alerts: emailadd,emailaddr.." to /etc/aliases file
# then run newaliases command
my $MAILTO="alerts";
my $message;
my $briefmsg;
my $node1;
my $info;
my $severity_type;
my $severity;
#get settings
$EMAIL=0, $LOG=0, $RUNCMD=0, $IGNORE=0;
%hashI=(),%hashE=(),%hashL=(),%hashR=();
my %settings=xCAT_monitoring::monitorctrl->getPluginSettings("snmpmon");
my $i=$settings{'ignore'};
if ($i) { %hashI =parseSettings($i); }
my $e=$settings{'email'};
if ($e) { %hashE=parseSettings($e); }
my $l=$settings{'log'};
if ($l) { %hashL=parseSettings($l); }
my $r=$settings{'runcmd'};
if ($r) { %hashR=parseSettings($r); }
# read host name
my $host=<STDIN>;
chomp($host);
# read the host ip
my $ip=<STDIN>;
chomp($ip);
# read uptime
my $uptimeline=<STDIN>;
chomp($uptimeline);
my @a=split(/ /, $uptimeline);
my $oid=shift @a;
my $value=join(' ', @a);
$message .= " $oid=$value\n";
# read trapid
my $trapidline=<STDIN>;
chomp($trapidline);
@a=split(/ /, $trapidline);
$oid=shift @a;
$value=join(' ', @a);
$message .= " $oid=$value\n";
checkWithOid($oid, $value);
#print "I=$IGNORE,E=$EMAIL, L=$LOG, R=$RUNCMD\n";
if ($IGNORE) { exit 0;}
#for ipmi traps, the values is: SNMPv2-SMI::enterprises.3183.1.1.0.x or
# RFC1155-SMI::enterprises.3183.1.1.0.x, where x is the ipmi trap id.
my $trapid;
if ($value =~ /enterprises\.3183\.1\.1\.0\.(.*)/) { $trapid=$1; }
#print "trapid=$trapid\n";
my $holder;
my $begin=1;
my $pair;
while ($temp=<STDIN>) {
chomp($temp);
my $temp1=$temp; #save the one with quotes
$temp1 =~ s/\"//g;
my $c1=length($temp);
my $c2=length($temp1);
if (($c1-$c2)%2 == 0) {
if ($begin==1) { # single line
$pair=$temp;
}
else { # middle multi-line
$pair .= " $temp";
next;
}
} else { # multi line
if ($begin==1) {
$pair=$temp; #start of multi-line
$begin=0;
next;
} else {
$pair .= " $temp"; #end of multi-line
$begin=1;
}
}
@a=split(/ /, $pair);
$oid=shift @a;
$value=join(' ', @a);
#for BladeCenter MM traps and RSA II traps, creat a brief message
if ($oid =~ /BLADESPPALT-MIB::spTrapAppId|RSASPPALT-MIB::ibmSpTrapAppId/) {
$briefmsg .= " App ID: $value\n";
}
elsif ($oid =~ /BLADESPPALT-MIB::spTrapAppType|RSASPPALT-MIB::ibmSpTrapAppType/) {
$briefmsg .= " App Alert Type: $value\n";
}
elsif ($oid =~ /BLADESPPALT-MIB::spTrapMsgText|RSASPPALT-MIB::ibmSpTrapMsgText/) {
$briefmsg .= " Message: $value\n";
}
elsif ($oid =~ /BLADESPPALT-MIB::spTrapBladeName/) {
my $temp="$value";
$temp =~ /^\"(.*)\"/;
if ($1) {
$briefmsg .= " Blade Name: $value\n";
$node1=$1;
}
}
elsif (($oid =~ /BLADESPPALT-MIB::spTrapSourceId/)) {
$briefmsg .= " Error Source=$value\n";
}
elsif ($oid =~ /BLADESPPALT-MIB::spTrapPriority|RSASPPALT-MIB::ibmSpTrapPriority/) {
# Critical Alert(0), Major(1), Non-Critical Alert(2), System Alert(4),
# Recovery Alert(8), Informational Only Alert(255)
if ($value==0) {
$severity="Critical Alert";
$severity_type="Critical";
} elsif ($value==1) {
$severity="Major Alert";
$severity_type="Critical";
} elsif ($value==2) {
$severity="Non-Critical Alert";
$severity_type="Warning";
} elsif ($value==4) {
$severity="System Alert";
$severity_type="Warning";
} elsif ($value==8) {
$severity="Recovery Alert";
$severity_type="Informational";
} elsif ($value==255) {
$severity="Informational Alert";
$severity_type="Informational";
}
}
elsif ($oid =~ /enterprises\.3183\.1\.1\.1/) { #IPMI PRTs (traps)
$node1=$host;
#$node1 =~ s/(-(eth|man)\d+)?(\..*)?$//;
$ip1=$ip;
$ip1 =~ /(\d+\.\d+\.\d+\.\d+)/;
$ip1=$1;
# get the host name if it is unknown
if ($node1 =~/<UNKNOWN>/) {
my $iaddr = inet_aton($ip1);
my ($name) = gethostbyaddr($iaddr, AF_INET);
if ($name) {
$node1=$name;
$host=$name;
@shorthost = split(/\./, $node1);
$node1=$shorthost[0];
}
}
#print "node1=$node1\n";
#node1 is the bmc name, we need the node that bmc connects to to call xCAT
my $realnode;
my $ipmitab = xCAT::Table->new('ipmi');
if (defined($ipmitab)) {
my @tmp1=$ipmitab->getAllNodeAttribs(['node','bmc']);
if (@tmp1 && (@tmp1 > 0)) {
foreach(@tmp1) {
if ($_->{bmc} eq $node1) { $realnode=$_->{node}; last;}
}
}
$ipmitab->close();
}
if ($realnode) {$node1=$realnode;}
#print "node1=$node1\n";
# make the vlaue into a hex array for decoding
$value =~ s/\"//g;
my @varray=split(/\s+/, $value);
#print "varray=@varray\n";
foreach (@varray) { $_=hex($_); }
my $error = xCAT_plugin::ipmi->decodealert($trapid, $node1, @varray);
$briefmsg .= $error;
#severity value from decodealert are:
#LOG,INFORMATION,OK,CRITICAL,NON-RECOVERABLE,MONITOR and UNKNOWN-SEVERITY
$severity_type="Warning";
if ($error) {
@tempArray=split(/\:/, $error);
$severity=$tempArray[0];
if ($severity eq "LOG") {#in fact this is called "unspecifiled"
$severity_type="Warning";
}
elsif($severity eq "INFORMATION") {
$severity_type="Informational";
}
elsif($severity eq "OK") {
$severity_type="Informational";
}
elsif($severity eq "CRITICAL") {
$severity_type="Critical";
}
elsif($severity eq "NON-RECOVERABLE") {
$severity_type="Critical";
}
}
}
$message .= " $oid=$value\n";
#check agains the settings
$value =~ s/\"//g;
checkWithOid($oid, $value);
#print "I=$IGNORE,E=$EMAIL, L=$LOG, R=$RUNCMD\n";
if ($IGNORE) { exit 0;}
}
if (!$severity_type) { $severity_type="Warning"; }
if ((!$IGNORE) && exists($hashI{$severity_type})) {
#print "ignore, exit\n";
exit 0;
}
if ((!$EMAIL) && exists($hashE{$severity_type})) { $EMAIL=1; }
if ((!$LOG) && exists($hashL{$severity_type})) { $LOG=1; }
if ((!$RUNCMD) && exists($hashR{severity_type})) { $RUNCMD=1; }
#print "I=$IGNORE,E=$EMAIL, L=$LOG, R=$RUNCMD\n";
#email 'alerts' aliase
if ($EMAIL || ((keys(%hashE)==0) && ($severity_type =~/Critical|Warning/))) {
#($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst)=localtime(time);
#$datetime=sprintf "%2d-%02d-%04d %02d:%02d:%02d", $mon+1,$mday,$year+1900,$hour,$min,$sec;
#my $head="SNMP $severity received from $host($ip) on $datetime\n$briefmsg\n";
my $head="SNMP $severity received from $host($ip)\n$briefmsg\n";
if ($node1) { $info= getMoreInfo($node1);}
my $middle="Trap details:\n$message\n";
#email the full message to the alerts aliase
my $cmd="echo \'$info$head\n$middle\' \| mail -s \"$severity_type: Cluster SNMP Alert\!\" $MAILTO";
$ENV{'XCATCFG'}="";
`$cmd`;
}
#log to syslog if needed. default is log all
$ENV{'XCATCFG'}="";
if ($LOG || (keys(%hashL)==0)) {
my $head="SNMP $severity received from $host($ip).";
my $body;
if ($briefmsg) { $body=$briefmsg;}
else { $body=$message; }
openlog("xCATMon Event","","local4");
if ($severity_type eq "Informational") {
syslog("local4|info", "$head\n$body\n");
} else {
syslog("local4|err", "$head\n$body\n");
}
closelog();
}
#run user defined commands if needed.
if ($RUNCMD) {
my $scripts=$settings{'cmds'};
while ($scripts =~ s/^([^,]+)(,)*//) {
my $cmd="echo \'host=$host\nip=$ip\n$message\n\' \| $1";
`$cmd`;
}
}
#--------------------------------------------------------------------------------
=head3 getMoreInfo
This function returns the node module/type, serial number, position etc.
Arguments:
node-- name of the node.
Returns:
A string with node info ready to display.
=cut
#--------------------------------------------------------------------------------
sub getMoreInfo {
my $node=shift;
my $pos;
my $vpd;
# get module name and serial number from the xCAT DB.
my $ref;
my $table=xCAT::Table->new("vpd", -create =>1);
if ($table) {
my $ref = $table->getNodeAttribs($node, ['serial', 'mtm']);
if ($ref) {
$vpd .= " Type/Mudule: ";
if ($ref->{mtm}) { $vpd .= $ref->{mtm};}
$vpd .= "\n";
$vpd .= " Serial Number: ";
if ($ref->{serial}) { $vpd .= $ref->{serial};}
$vpd .= "\n";
}
$table->close();
}
# get the info from rinv command if nothing in the vpd table
if (!$vpd) {
my $result=`XCATBYPASS=Y $XCATROOT/bin/rinv $node all 2>&1 | egrep -i '(model|serial)' | grep -v Univ`;
if ($? == 0) {#success
chomp($result);
my @b=split(/\n/, $result);
foreach (@b) {
s/^(.*)\:(.*)\:(.*)$/$2: $3/;
$vpd .= " $_\n";
}
}
}
if (!$vpd) {
$vpd .= " Type/Mudule: \n";
$vpd .= " Serial Number: \n";
}
#get the position
my $table1=xCAT::Table->new("nodepos", -create =>1);
if ($table1) {
my $ref1 = $table1->getNodeAttribs($node, ['rack', 'u', 'chassis', 'slot', 'room', 'comments']);
if (($ref1) && ($ref1->{room})) { $pos .= " Room: " . $ref1->{room}. "\n"; }
if(($ref1) && ($ref1->{rack})) { $pos .= " Rack: ". $ref1->{rack}. "\n";}
if(($ref1) && ($ref1->{u})) { $pos .= " Unit: " . $ref1->{u} . "\n"; }
if(($ref1) && ($ref1->{chassis})) { $pos .= " Chassis: " . $ref1->{chassis} . "\n";}
if(($ref1) && ($ref1->{slot})) { $pos .= " Slot: " . $ref1->{slot} . "\n";}
if(($ref1) && ($ref1->{comments})) { $pos .= " Comments: " . $ref1->{comments} . "\n";}
$pos .= "\n";
$table1->close();
}
if (($pos) || ($vpd)) {
return " Node: $node\n$vpd$pos\n";
}
return "";
}
#--------------------------------------------------------------------------------
=head3 parseSettings
This function takes a setting string which looks like "key1=value1,key2=value2..."
and returns a hash (key1=>value1, key2=>value2...).
Arguments:
setting the setting string.
Returns:
A hash.
=cut
#--------------------------------------------------------------------------------
sub parseSettings {
my $settings=shift;
my %ret=();
while (($settings =~ s/^(Informational|Warning|Critical|All|None)()(,)*//) ||
($settings =~ s/^([^\=]+)=(\"[^\"]+\")(,)*//) ||
($settings =~ s/^([^\=]+)=([^\"\,]+)(,)*//)) {
#print "$1=$2\n";
if (exists($ret{$1}{'eq'})) {
my $pa=$ret{$1}{eq};
push(@$pa, $2);
}
else {
$ret{$1}{'eq'}=[$2];
}
}
return %ret;
}
#--------------------------------------------------------------------------------
=head3 checkWithOid
This function checks the input strings with the setting to see what
actions need to be done for this event.
Arguments:
oid the oid string
value the value string
Returns:
none. The variables $EMAIL, $LOG, $IGNORE and $RUNCMD may be changed.
=cut
#--------------------------------------------------------------------------------
sub checkWithOid {
$o=shift;
$v=shift;
sub checking {
my $hashX=shift;
if (exists($hashX->{'All'})) { return 1; }
if (exists($hashX->{'None'})) { return 0; }
@a_oid=split('::', $o);
my $new_o=$o;
if (@a_oid == 2) { $new_o=$a_oid[1]; }
print "o=$o, new_o=$new_o\n";
if (exists($hashX->{$o})) {
my $pa= $hashX->{$o}{'eq'};
foreach(@$pa) {
if ($_ eq $v) {return 1; }
}
}
if (exists($hashX->{$new_o})) {
my $pa= $hashX->{$new_o}{'eq'};
foreach(@$pa) {
if ($_ eq $v) {return 1; }
}
}
return 0;
}
if ((!$IGNORE) && (keys(%hashI)>0)) {
$IGNORE=checking(\%hashI);
if ($IGNORE) { return;}
}
if ((!$EMAIL) && (keys(%hashE)>0)) {
$EMAIL=checking(\%hashE);
}
if ((!$LOG) && (keys(%hashL)>0)) {
$LOG=checking(\%hashL);
}
if ((!$RUNCMD) && (keys(%hashR)>0)) {
$RUNCMD=checking(\%hashR);
}
}