1332 lines
42 KiB
Perl
1332 lines
42 KiB
Perl
#!/usr/bin/env perl
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# IBM(c) 2007 EPL license http://www.eclipse.org/legal/epl-v10.html
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package xCAT_monitoring::snmpmon;
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BEGIN
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{
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$::XCATROOT = $ENV{'XCATROOT'} ? $ENV{'XCATROOT'} : '/opt/xcat';
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}
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use lib "$::XCATROOT/lib/perl";
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use strict;
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use IO::File;
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use xCAT::Utils;
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use xCAT::MsgUtils;
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use xCAT::TableUtils;
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use xCAT::NodeRange;
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use xCAT_monitoring::monitorctrl;
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use Sys::Hostname;
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use File::Path qw/mkpath/;
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#print "xCAT_monitoring::snmpmon loaded\n";
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1;
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my $confdir;
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if(xCAT::Utils->isAIX()){
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$::snmpconfdir = "/opt/freeware/etc";
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} else {
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$::snmpconfdir = "/usr/share/snmp";
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}
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#-------------------------------------------------------------------------------
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=head1 xCAT_monitoring:snmpmon
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=head2 Package Description
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xCAT monitoring plugin package to handle SNMP monitoring.
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=cut
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#-------------------------------------------------------------------------------
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#--------------------------------------------------------------------------------
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=head3 start
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This function gets called by the monitorctrl module when monstart command
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gets called and when xcatd starts.
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Arguments:
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p_nodes -- a pointer to an arrays of nodes to be monitored. null means all.
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scope -- the action scope, it indicates the node type the action will take place.
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0 means localhost only.
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2 means both localhost and nodes,
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callback -- the callback pointer for error and status displaying. It can be null.
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Returns:
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(return code, message)
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if the callback is set, use callback to display the status and error.
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=cut
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#--------------------------------------------------------------------------------
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sub start {
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print "snmpmon:start called\n";
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my $noderef=shift;
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if ($noderef =~ /xCAT_monitoring::snmpmon/) {
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$noderef=shift;
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}
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my $scope=shift;
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my $callback=shift;
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my $localhostname=hostname();
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# get the PID of the currently running snmptrapd if it is running.
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# then stop it and restart it again so that it reads our new
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# snmptrapd.conf configuration file. Then the process
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my $pid;
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chomp($pid= `/bin/ps -ef | /bin/grep snmptrapd | /bin/grep -v grep | /bin/awk '{print \$2}'`);
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if($pid){
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`/bin/kill -9 $pid`;
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}
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# start it up again!
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if(xCAT::Utils->isAIX()){
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system("/opt/freeware/sbin/snmptrapd -m ALL");
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} else {
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system("/usr/sbin/snmptrapd -m ALL");
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}
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# get the PID of the currently running snmpd if it is running.
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# if it's running then we just leave. Otherwise, if we don't get A PID, then we
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# assume that it isn't running, and start it up again!
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chomp($pid= `/bin/ps -ef | /bin/grep snmpd | /bin/grep -v grep | /bin/awk '{print \$2}'`);
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unless($pid){
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# start it up!
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system("/usr/sbin/snmpd");
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}
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if ($scope) {
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#enable alerts on the nodes
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if ($callback) {
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my $rsp={};
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$rsp->{data}->[0]="$localhostname: enabling SNMP alert...";
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$callback->($rsp);
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}
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#enable bmcs if any
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configBMC(1, $noderef, $callback);
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#enable MMAs if any
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configMPA(1, $noderef, $callback);
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#enable MMAs if any
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configSwitch(1, $noderef, $callback);
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}
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if ($callback) {
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my $rsp={};
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$rsp->{data}->[0]="$localhostname: done.";
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$callback->($rsp);
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}
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return (0, "started")
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}
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#--------------------------------------------------------------------------------
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=head3 stop
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This function gets called by the monitorctrl module when monstop command gets called.
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Arguments:
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p_nodes -- a pointer to an arrays of nodes to be stoped for monitoring. null means all.
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scope -- the action scope, it indicates the node type the action will take place.
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0 means localhost only.
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2 means both monservers and nodes,
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callback -- the callback pointer for error and status displaying. It can be null.
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Returns:
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(return code, message)
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if the callback is set, use callback to display the status and error.
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=cut
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#--------------------------------------------------------------------------------
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sub stop {
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print "snmpmon:stop called\n";
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my $noderef=shift;
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if ($noderef =~ /xCAT_monitoring::snmpmon/) {
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$noderef=shift;
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}
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my $scope=shift;
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my $callback=shift;
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my $localhostname=hostname();
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if ($scope) {
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if ($callback) {
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my $rsp={};
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$rsp->{data}->[0]="$localhostname: disabling SNMP alert...";
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$callback->($rsp);
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}
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#disable MMAs if any
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configMPA(0, $noderef, $callback);
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#disable BMC so that it stop senging alerts (PETs) to this node
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configBMC(0, $noderef, $callback);
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#disable switches so that it stop senging alerts (PETs) to this node
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configSwitch(0, $noderef, $callback);
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}
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# now check to see if the daemon is running. If it is then we need to resart or stop?
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# it with the new snmptrapd.conf file that will not forward events to RMC.
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chomp(my $pid= `/bin/ps -ef | /bin/grep snmptrapd | /bin/grep -v grep | /bin/awk '{print \$2}'`);
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if($pid){
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`/bin/kill -9 $pid`;
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# start it up again!
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#system("/usr/sbin/snmptrapd");
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}
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if ($callback) {
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my $rsp={};
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$rsp->{data}->[0]="$localhostname: done.";
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$callback->($rsp);
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}
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return (0, "stopped");
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}
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#--------------------------------------------------------------------------------
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=head3 supportNodeStatusMon
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This function is called by the monitorctrl module to check
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if SNMP can help monitoring and returning the node status.
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SNMP does not support this function.
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Arguments:
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none
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Returns:
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0
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=cut
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#--------------------------------------------------------------------------------
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sub supportNodeStatusMon {
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return 0;
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}
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#--------------------------------------------------------------------------------
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=head3 startNodeStatusMon
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This function is called by the monitorctrl module when monstart gets called and
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when xcatd starts. It starts monitoring the node status and feed them back
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to xCAT.
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Arguments:
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p_nodes -- a pointer to an arrays of nodes to be monitored. null means all.
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scope -- the action scope, it indicates the node type the action will take place.
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0 means loca lhost only.
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2 means both localhost and nodes,
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callback -- the callback pointer for error and status displaying. It can be null.
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note: p_nodes and scope are ignored by this plugin.
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Returns:
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(return code, message)
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if the callback is set, use callback to display the status and error.
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This function is called by the monitorctrl module to tell
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=cut
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#--------------------------------------------------------------------------------
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sub startNodeStatusMon {
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return (1, "This function is not supported.");
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}
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#--------------------------------------------------------------------------------
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=head3 stopNodeStatusMon
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This function is called by the monitorctrl module when monstop command is issued.
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It stops feeding the node status info back to xCAT.
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Arguments:
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p_nodes -- a pointer to an arrays of nodes to stoped for monitoring. null means all.
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scope -- the action scope, it indicates the node type the action will take place.
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0 means local host only.
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2 means both local host and nodes,
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callback -- the callback pointer for error and status displaying. It can be null.
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note: p_nodes and scope are ignored by this plugin.
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Returns:
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(return code, message)
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if the callback is set, use callback to display the status and error.
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=cut
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#--------------------------------------------------------------------------------
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sub stopNodeStatusMon {
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return (1, "This function is not supported.");
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}
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#--------------------------------------------------------------------------------
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=head3 config
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This function configures the cluster for the given nodes.
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This function is called when moncfg command is issued or when xcatd starts
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on the service node. It will configure the cluster to include the given nodes within
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the monitoring doamin.
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Arguments:
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p_nodes -- a pointer to an arrays of nodes to be added for monitoring. none means all.
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scope -- the action scope, it indicates the node type the action will take place.
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0 means localhost only.
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2 means localhost and nodes,
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callback -- the callback pointer for error and status displaying. It can be null.
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Returns:
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(error code, error message)
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=cut
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#--------------------------------------------------------------------------------
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sub config {
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print "snmpmon:config called\n";
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my $noderef=shift;
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if ($noderef =~ /xCAT_monitoring::snmpmon/) {
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$noderef=shift;
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}
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my $scope=shift;
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my $callback=shift;
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my $localhostname=hostname();
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# check supported snmp package
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my $cmd;
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my @snmpPkg = `/bin/rpm -qa | grep snmp`;
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my $pkginstalled = grep(/net-snmp/, @snmpPkg);
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if (!$pkginstalled) {
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if ($callback) {
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my $rsp={};
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$rsp->{data}->[0]="$localhostname: net-snmp is not installed.";
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$callback->($rsp);
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}
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return (1, "net-snmp is not installed")
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} else {
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my ($ret, $err)=configSNMP(2, $noderef, $callback);
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if ($ret != 0) { return ($ret, $err);}
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}
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#configure mail to enabling receiving mails from trap handler
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configMail();
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if ($scope) {
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if ($callback) {
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my $rsp={};
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$rsp->{data}->[0]="$localhostname: setting up SNMP alert destination....";
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$callback->($rsp);
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}
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#enable bmcs if any
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configBMC(2, $noderef, $callback);
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#enable MMAs if any
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configMPA(2, $noderef, $callback);
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#enable switches if any
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configSwitch(2, $noderef, $callback);
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}
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if ($callback) {
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my $rsp={};
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$rsp->{data}->[0]="$localhostname: done.";
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$callback->($rsp);
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}
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return (0, "")
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}
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#--------------------------------------------------------------------------------
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=head3 deconfig
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This function de-configures the cluster for the given nodes.
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This function is called when mondecfg command is issued by the user.
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It should remove the given nodes from the product for monitoring.
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Arguments:
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p_nodes -- a pointer to an arrays of nodes to be removed for monitoring. none means all.
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scope -- the action scope, it indicates the node type the action will take place.
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0 means local host only.
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2 means both local host and nodes,
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callback -- the callback pointer for error and status displaying. It can be null.
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Returns:
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(error code, error message)
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=cut
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#--------------------------------------------------------------------------------
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sub deconfig {
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print "snmpmon:deconfig called\n";
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my $noderef=shift;
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if ($noderef =~ /xCAT_monitoring::snmpmon/) {
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$noderef=shift;
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}
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my $scope=shift;
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my $callback=shift;
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my $localhostname=hostname();
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if (-f "$::snmpconfdir/snmptrapd.conf.orig"){
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# copy back the old one
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`mv -f $::snmpconfdir/snmptrapd.conf.orig $::snmpconfdir/snmptrapd.conf`;
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} else {
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if (-f "$::snmpconfdir/snmptrapd.conf"){
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# if the file exists, delete all entries that have xcat_traphandler
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my $cmd = "grep -v xcat_traphandler $::snmpconfdir/snmptrapd.conf ";
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$cmd .= "> $::snmpconfdir/snmptrapd.conf.unconfig ";
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`$cmd`;
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# move it back to the snmptrapd.conf file.
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`mv -f $::snmpconfdir/snmptrapd.conf.unconfig $::snmpconfdir/snmptrapd.conf`;
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}
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}
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deconfigSNMP(2,$noderef,$callback);
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if ($scope) {
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if ($callback) {
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my $rsp={};
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$rsp->{data}->[0]="$localhostname: removing SNMP destination....";
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$callback->($rsp);
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}
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#remove snmp destination for switches
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configSwitch(3, $noderef, $callback);
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}
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if ($callback) {
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my $rsp={};
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$rsp->{data}->[0]="$localhostname: done.";
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$callback->($rsp);
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}
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return (0, "");
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}
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#--------------------------------------------------------------------------------
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=head3 deconfigSNMP
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This function remove xcat_traphanlder from the snmptrapd.conf file,
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remove the node configurations from snmptrapd.conf, and
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restarts the snmptrapd with the new configuration.
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Arguments:
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none.
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Returns:
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(return code, message)
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=cut
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=cut
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#--------------------------------------------------------------------------------
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sub deconfigSNMP {
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return (0, "");
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}
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#--------------------------------------------------------------------------------
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=head3 configBMC
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This function configures BMC to setup the snmp destination, enable/disable
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PEF policy table entry number 1.
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Arguments:
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actioon -- 0 disable alert. 1 enable alert. 2 setup snmp destination
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p_nodes -- a pointer to an arrays of nodes to be monitored. null means all.
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callback -- the callback pointer for error and status displaying. It can be null.
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Returns:
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(return code, message)
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=cut
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#--------------------------------------------------------------------------------
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sub configBMC {
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my $action=shift;
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my $noderef=shift;
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my $callback=shift;
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my $ret_text="";
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my $ret_val=0;
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#the identification of this node
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my @hostinfo=xCAT::NetworkUtils->determinehostname();
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my $isSV=xCAT::Utils->isServiceNode();
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my %iphash=();
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foreach(@hostinfo) {$iphash{$_}=1;}
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if (!$isSV) { $iphash{'noservicenode'}=1;}
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my $pPairHash=xCAT_monitoring::monitorctrl->getNodeMonServerPair($noderef, 0);
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if (ref($pPairHash) eq 'ARRAY') {
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if ($callback) {
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my $rsp={};
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if ($ret_val) {
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$rsp->{data}->[0]=$pPairHash->[1];
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}
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$callback->($rsp);
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} else {
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xCAT::MsgUtils->message('S', "[mon]: " . $pPairHash->[1]);
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}
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return (0, "");
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}
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my %masterhash=();
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my @node_a=();
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my $table=xCAT::Table->new("ipmi");
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if ($table) {
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my @tmp1=$table->getAllNodeAttribs(['node','bmc']);
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if (@tmp1 > 0) {
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foreach(@tmp1) {
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my $node=$_->{node};
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my $bmc=$_->{bmc};
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if (! exists($pPairHash->{$node})) {next;}
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my $pairs=$pPairHash->{$node};
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my @a_temp=split(':',$pairs);
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my $monserver=$a_temp[0];
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my $master=$a_temp[1];
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if ($monserver) {
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if (!$iphash{$monserver}) { next;} #skip if has sn but not localhost
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} else {
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if ($isSV) { next; } #skip if does not have sn but localhost is a sn
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}
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push(@node_a, $node);
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# find the master node and add the node in the hash
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if(exists($masterhash{$master})) {
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my $ref=$masterhash{$master};
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push(@$ref, $node);
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} else { $masterhash{$master}=[$node]; }
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} #foreach
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}
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$table->close();
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}
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if (@node_a==0){ return ($ret_val, $ret_text);} #nothing to handle
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#print "configBMC: node_a=@node_a\n";
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#now doing the real thing: enable PEF alert policy table
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my $noderange=join(',',@node_a );
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if ($action==0) {
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print "XCATBYPASS=Y rspconfig $noderange alert=dis\n";
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my $result = `XCATBYPASS=Y rspconfig $noderange alert=dis 2>&1`;
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if ($?) {
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$ret_val=1;
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xCAT::MsgUtils->message('S', "[mon]: Changeing SNMP PEF policy for IPMI nodes $noderange:\n $result\n");
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$ret_text .= "Changeing SNMP PEF policy for IPMI nodes $noderange:\n $result\n";
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}
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} elsif ($action==1) {
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print "XCATBYPASS=Y rspconfig $noderange alert=en\n";
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my $result = `XCATBYPASS=Y rspconfig $noderange alert=en 2>&1`;
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if ($?) {
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$ret_val=1;
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xCAT::MsgUtils->message('S', "[mon]: Changeing SNMP PEF policy for IPMI nodes $noderange:\n $result\n");
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$ret_text .= "Changeing SNMP PEF policy for IPMI nodes $noderange:\n $result\n";
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}
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} else {
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#setup the snmp destination
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foreach (keys(%masterhash)) {
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my $ref2=$masterhash{$_};
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if (@$ref2==0) { next;}
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my $nr2=join(',', @$ref2);
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my @tmp_a=xCAT::NetworkUtils::toIP($_);
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my $ptmp=$tmp_a[0];
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if ($ptmp->[0]>0) {
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xCAT::MsgUtils->message('S', "[mon]: Converting to IP: $ptmp->[1]\n");
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$ret_val=1;
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$ret_text .= "Converting to IP: $ptmp->[1]\n";
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} else {
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print "XCATBYPASS=Y rspconfig $nr2 snmpdest=$ptmp->[1]\n";
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my $result2 = `XCATBYPASS=Y rspconfig $nr2 snmpdest=$ptmp->[1] 2>&1`;
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if ($?) {
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$ret_val=1;
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xCAT::MsgUtils->message('S', "[mon]: Changing SNMP destination for IPMI nodes $nr2:\n $result2\n");
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$ret_text .= "Changing SNMP destination for IPMI nodes $nr2:\n $result2\n";
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}
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}
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}
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}
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if ($callback) {
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my $rsp={};
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if ($ret_val) {
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$rsp->{data}->[0]="$ret_text";
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}
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$callback->($rsp);
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}
|
|
|
|
return ($ret_val, $ret_text);
|
|
|
|
}
|
|
|
|
|
|
#--------------------------------------------------------------------------------
|
|
=head3 configMPA
|
|
This function configures Blade Center Management Module to setup the snmp destination,
|
|
enable/disable remote alert notification.
|
|
Arguments:
|
|
actioon -- 1 enable remote alert notification. 0 disable remote alert notification.
|
|
2 setting up snmp destination.
|
|
p_nodes -- a pointer to an arrays of nodes to be monitored. null means all.
|
|
callback -- the callback pointer for error and status displaying. It can be null.
|
|
Returns:
|
|
(return code, message)
|
|
=cut
|
|
#--------------------------------------------------------------------------------
|
|
sub configMPA {
|
|
my $action=shift;
|
|
my $noderef=shift;
|
|
my $callback=shift;
|
|
|
|
my $ret_val=0;
|
|
my $ret_text="";
|
|
|
|
#the identification of this node
|
|
my @hostinfo=xCAT::NetworkUtils->determinehostname();
|
|
my $isSV=xCAT::Utils->isServiceNode();
|
|
my %iphash=();
|
|
foreach(@hostinfo) {$iphash{$_}=1;}
|
|
if (!$isSV) { $iphash{'noservicenode'}=1;}
|
|
|
|
my $all=0;
|
|
my %nodehash=();
|
|
if ((!$noderef) || (@$noderef==0)) {$all=1;}
|
|
else {
|
|
foreach(@$noderef) { $nodehash{$_}=1;}
|
|
}
|
|
|
|
my %mpa_hash=();
|
|
my %masterhash=();
|
|
my @node_a=();
|
|
my $table=xCAT::Table->new("mp");
|
|
if ($table) {
|
|
my @tmp1=$table->getAllNodeAttribs(['node','mpa']);
|
|
if (@tmp1 > 0) {
|
|
foreach(@tmp1) {
|
|
my $node=$_->{node};
|
|
my $mpa=$_->{mpa};
|
|
if ((!$all) && (!exists($nodehash{$node})) && (!exists($nodehash{$mpa}))) {next;}
|
|
|
|
if ($mpa_hash{$mpa}) { next;} #already handled
|
|
|
|
$mpa_hash{$mpa}=1;
|
|
|
|
my $pHash=xCAT_monitoring::monitorctrl->getNodeMonServerPair([$mpa], 0);
|
|
if (ref($pHash) eq 'ARRAY') {
|
|
if ($callback) {
|
|
my $rsp={};
|
|
if ($ret_val) {
|
|
$rsp->{data}->[0]=$pHash->[1];
|
|
}
|
|
$callback->($rsp);
|
|
} else {
|
|
xCAT::MsgUtils->message('S', "[mon]: " . $pHash->[1]);
|
|
}
|
|
return (0, "");
|
|
}
|
|
|
|
my $pairs=$pHash->{$mpa};
|
|
my @a_temp=split(':',$pairs);
|
|
my $monserver=$a_temp[0];
|
|
my $master=$a_temp[1];
|
|
|
|
if ($monserver) {
|
|
if (!$iphash{$monserver}) { next;} #skip if has sn but not localhost
|
|
} else {
|
|
if ($isSV) { next; } #skip if does not have sn but localhost is a sn
|
|
}
|
|
|
|
push(@node_a, $mpa);
|
|
|
|
# find the master node and add the node in the hash
|
|
if(exists($masterhash{$master})) {
|
|
my $ref=$masterhash{$master};
|
|
push(@$ref, $mpa);
|
|
} else { $masterhash{$master}=[$mpa]; }
|
|
} #foreach
|
|
}
|
|
$table->close();
|
|
}
|
|
|
|
if (@node_a==0){ return ($ret_val, $ret_text);} #nothing to handle
|
|
#print "configMPA: node_a=@node_a\n";
|
|
|
|
|
|
#now doing the real thing: enable PEF alert policy table
|
|
my $noderange=join(',',@node_a );
|
|
if ($action==0) {
|
|
print "XCATBYPASS=Y rspconfig $noderange alert=dis\n";
|
|
my $result = `XCATBYPASS=Y rspconfig $noderange alert=dis 2>&1`;
|
|
if ($?) {
|
|
$ret_val=1;
|
|
xCAT::MsgUtils->message('S', "[mon]: Changeing SNMP remote alert profile for Blade Center MM $noderange:\n $result\n");
|
|
$ret_text .= "Changeing SNMP remote alert profile for Blade Center MM $noderange:\n $result\n";
|
|
}
|
|
} elsif ($action==1) {
|
|
print "XCATBYPASS=Y rspconfig $noderange alert=en\n";
|
|
my $result = `XCATBYPASS=Y rspconfig $noderange alert=en 2>&1`;
|
|
if ($?) {
|
|
$ret_val=1;
|
|
xCAT::MsgUtils->message('S', "[mon]: Changeing SNMP remote alert profile for Blade Center MM $noderange:\n $result\n");
|
|
$ret_text .= "Changeing SNMP remote alert profile for Blade Center MM $noderange:\n $result\n";
|
|
}
|
|
} else {
|
|
#setup the snmp destination
|
|
foreach (keys(%masterhash)) {
|
|
my $ref2=$masterhash{$_};
|
|
if (@$ref2==0) { next;}
|
|
my $nr2=join(',', @$ref2);
|
|
my @tmp_a=xCAT::NetworkUtils::toIP($_);
|
|
my $ptmp=$tmp_a[0];
|
|
if ($ptmp->[0]>0) {
|
|
xCAT::MsgUtils->message('S', "[mon]: Converting to IP: $ptmp->[1]\n");
|
|
$ret_val=1;
|
|
$ret_text .= "Converting to IP: $ptmp->[1]\n";
|
|
} else {
|
|
print "XCATBYPASS=Y rspconfig $nr2 snmpdest=$ptmp->[1]\n";
|
|
my $result2 = `XCATBYPASS=Y rspconfig $nr2 snmpdest=$ptmp->[1] 2>&1`;
|
|
if ($?) {
|
|
$ret_val=1;
|
|
xCAT::MsgUtils->message('S', "[mon]: Changing SNMP destination for Blade Center MM $nr2:\n $result2\n");
|
|
$ret_text .= "Changing SNMP destination for Blade Center MM $nr2:\n $result2\n";
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($callback) {
|
|
my $rsp={};
|
|
if ($ret_val) {
|
|
$rsp->{data}->[0]="$ret_text";
|
|
}
|
|
$callback->($rsp);
|
|
}
|
|
|
|
return ($ret_val, $ret_text);
|
|
}
|
|
|
|
|
|
#--------------------------------------------------------------------------------
|
|
=head3 configSwitch
|
|
This function configures switches to setup the snmp destination, enable/disable
|
|
alerts.
|
|
Arguments:
|
|
actioon -- 0 disable alert (called mon monstop).
|
|
1 enable alert. (called by monstart)
|
|
2 setup snmp destination (called by moncfg)
|
|
3 remove the snmp destination (called by mondecfg)
|
|
p_nodes -- a pointer to an arrays of nodes to be monitored. null means all.
|
|
callback -- the callback pointer for error and status displaying. It can be null.
|
|
Returns:
|
|
(return code, message)
|
|
=cut
|
|
#--------------------------------------------------------------------------------
|
|
sub configSwitch {
|
|
my $action=shift;
|
|
my $noderef=shift;
|
|
my $callback=shift;
|
|
|
|
my $ret_text="";
|
|
my $ret_val=0;
|
|
|
|
#the identification of this node
|
|
my @hostinfo=xCAT::NetworkUtils->determinehostname();
|
|
my $isSV=xCAT::Utils->isServiceNode();
|
|
my %iphash=();
|
|
foreach(@hostinfo) {$iphash{$_}=1;}
|
|
if (!$isSV) { $iphash{'noservicenode'}=1;}
|
|
|
|
my $pPairHash=xCAT_monitoring::monitorctrl->getNodeMonServerPair($noderef, 0);
|
|
if (ref($pPairHash) eq 'ARRAY') {
|
|
if ($callback) {
|
|
my $rsp={};
|
|
if ($ret_val) {
|
|
$rsp->{data}->[0]=$pPairHash->[1];
|
|
}
|
|
$callback->($rsp);
|
|
} else {
|
|
xCAT::MsgUtils->message('S', "[mon]: " . $pPairHash->[1]);
|
|
}
|
|
return (0, "");
|
|
}
|
|
|
|
|
|
my @node_a=();
|
|
my $table=xCAT::Table->new('switches',-create=>0);
|
|
if ($table) {
|
|
my @tmp1=$table->getAllAttribs(('switch'));
|
|
if (defined(@tmp1) && (@tmp1 > 0)) {
|
|
foreach(@tmp1) {
|
|
my @switches_tmp=noderange($_->{switch});
|
|
if (@switches_tmp==0) { push @switches_tmp, $_->{switch}; }
|
|
foreach my $node (@switches_tmp) {
|
|
if (! exists($pPairHash->{$node})) {next;}
|
|
my $pairs=$pPairHash->{$node};
|
|
my @a_temp=split(':',$pairs);
|
|
my $monserver=$a_temp[0];
|
|
my $master=$a_temp[1];
|
|
|
|
if ($monserver) {
|
|
if (!$iphash{$monserver}) { next;} #skip if has sn but not localhost
|
|
} else {
|
|
if ($isSV) { next; } #skip if does not have sn but localhost is a sn
|
|
}
|
|
|
|
push(@node_a, $node);
|
|
} #foreach
|
|
}
|
|
$table->close();
|
|
}
|
|
}
|
|
|
|
if (@node_a==0){ return ($ret_val, $ret_text);} #nothing to handle
|
|
print "configSwitch: node_a=@node_a\n";
|
|
|
|
#now doing the real thing: enable PEF alert policy table
|
|
foreach my $noderange (@node_a) {
|
|
$ret_val=0;
|
|
$ret_text = "";
|
|
if ($action==0) {
|
|
print "XCATBYPASS=Y rspconfig $noderange alert=dis\n";
|
|
my $result = `XCATBYPASS=Y rspconfig $noderange alert=dis 2>&1`;
|
|
if (($result =~ /Error:/) || ($?)) {
|
|
$ret_val=1;
|
|
xCAT::MsgUtils->message('S', "[mon]: Disabling SNMP alert for switches $noderange:\n $result\n");
|
|
$ret_text .= "Disabling SNMP alert.\n $result\n";
|
|
}
|
|
} elsif ($action==1) {
|
|
print "XCATBYPASS=Y rspconfig $noderange alert=en\n";
|
|
my $result = `XCATBYPASS=Y rspconfig $noderange alert=en 2>&1`;
|
|
if (($result =~ /Error:/) || ($?)) {
|
|
$ret_val=1;
|
|
xCAT::MsgUtils->message('S', "[mon]: Enabling SNMP alert for switches $noderange:\n $result\n");
|
|
$ret_text .= "Enabling SNMP alert.\n $result\n";
|
|
}
|
|
} elsif ($action==2) {
|
|
print "XCATBYPASS=Y rspconfig $noderange sshcfg\n";
|
|
my $result = `XCATBYPASS=Y rspconfig $noderange sshcfg 2>&1`;
|
|
if ($result !~ /enabled/) {
|
|
print "XCATBYPASS=Y rspconfig $noderange sshcfg=en\n";
|
|
my $result = `XCATBYPASS=Y rspconfig $noderange sshcfg=en 2>&1`;
|
|
if (($result =~ /Error:/) || ($?)) {
|
|
$ret_val=1;
|
|
xCAT::MsgUtils->message('S', "[mon]: Setting up SSH for switches $noderange:\n $result\n");
|
|
$ret_text .= "Setting up SSH.\n $result\n";
|
|
}
|
|
} else {
|
|
print "XCATBYPASS=Y rspconfig $noderange snmpcfg\n";
|
|
my $result = `XCATBYPASS=Y rspconfig $noderange snmpcfg 2>&1`;
|
|
if ($result !~ /enabled/) {
|
|
print "XCATBYPASS=Y rspconfig $noderange snmpcfg=en\n";
|
|
my $result = `XCATBYPASS=Y rspconfig $noderange snmpcfg=en 2>&1`;
|
|
if (($result =~ /Error:/) || ($?)) {
|
|
$ret_val=1;
|
|
xCAT::MsgUtils->message('S', "[mon]: Enabling SNMP for switches $noderange:\n $result\n");
|
|
$ret_text .= "Enabling SNMP.\n $result\n";
|
|
}
|
|
} else {
|
|
#setup the snmp destination
|
|
my $pairs=$pPairHash->{$noderange};
|
|
my @a_temp=split(':',$pairs);
|
|
my $monserver=$a_temp[0];
|
|
my $master=$a_temp[1];
|
|
my @tmp_a=xCAT::NetworkUtils::toIP($master);
|
|
my $ptmp=$tmp_a[0];
|
|
if ($ptmp->[0]>0) {
|
|
xCAT::MsgUtils->message('S', "[mon]: Converting to IP: $ptmp->[1]\n");
|
|
$ret_val=1;
|
|
$ret_text .= "Converting to IP: $ptmp->[1]\n";
|
|
} else {
|
|
print "XCATBYPASS=Y rspconfig $noderange snmpdest=$ptmp->[1]\n";
|
|
my $result = `XCATBYPASS=Y rspconfig $noderange snmpdest=$ptmp->[1] 2>&1`;
|
|
if (($result =~ /Error:/) || ($?)) {
|
|
$ret_val=1;
|
|
xCAT::MsgUtils->message('S', "[mon]: Changing SNMP destination for switches $noderange:\n $result\n");
|
|
$ret_text .= "Changing SNMP destination\n $result\n";
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
} elsif ($action==3) {
|
|
#remove the snmp destination
|
|
my $pairs=$pPairHash->{$noderange};
|
|
my @a_temp=split(':',$pairs);
|
|
my $monserver=$a_temp[0];
|
|
my $master=$a_temp[1];
|
|
my @tmp_a=xCAT::NetworkUtils::toIP($master);
|
|
my $ptmp=$tmp_a[0];
|
|
if ($ptmp->[0]>0) {
|
|
xCAT::MsgUtils->message('S', "[mon]: Converting to IP: $ptmp->[1]\n");
|
|
$ret_val=1;
|
|
$ret_text .= "Converting to IP: $ptmp->[1]\n";
|
|
} else {
|
|
print "XCATBYPASS=Y rspconfig $noderange snmpdest=$ptmp->[1] remove\n";
|
|
my $result = `XCATBYPASS=Y rspconfig $noderange snmpdest=$ptmp->[1] remove 2>&1`;
|
|
if (($result =~ /Error:/) || ($?)) {
|
|
$ret_val=1;
|
|
xCAT::MsgUtils->message('S', "[mon]: Removing SNMP destination for switches $noderange:\n $result\n");
|
|
$ret_text .= "Removing SNMP destination\n $result\n";
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($callback) {
|
|
my $rsp={};
|
|
if ($ret_val) {
|
|
$rsp->{data}->[0]="$noderange: $ret_text";
|
|
} else {
|
|
$rsp->{data}->[0]="$noderange: done.\n $ret_text"
|
|
}
|
|
$callback->($rsp);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
return ($ret_val, $ret_text);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#--------------------------------------------------------------------------------
|
|
=head3 configSNMP
|
|
This function puts xcat_traphanlder into the snmptrapd.conf file and
|
|
restarts the snmptrapd with the new configuration.
|
|
Arguments:
|
|
none.
|
|
Returns:
|
|
(return code, message)
|
|
=cut
|
|
#--------------------------------------------------------------------------------
|
|
sub configSNMP {
|
|
my $action=shift;
|
|
my $noderef=shift;
|
|
my $callback=shift;
|
|
|
|
my $ret_val=0;
|
|
my $ret_text="";
|
|
|
|
print "configSNMP called \n";
|
|
my $isSN=xCAT::Utils->isServiceNode();
|
|
my $master=xCAT::TableUtils->get_site_Master();
|
|
my $cmd;
|
|
|
|
# now move $::snmpconfdir/snmptrapd.conf to $::snmpconfdir/snmptrapd.conf.orig
|
|
# if it exists.
|
|
mkpath("$::snmpconfdir");
|
|
if (-f "$::snmpconfdir/snmptrapd.conf"){
|
|
|
|
# if the file exists and has references to xcat_traphandler in mn or 'forward' in sn
|
|
# then there is nothing that needs to be done.
|
|
if ($isSN) {
|
|
`/bin/grep "forward default $master" $::snmpconfdir/snmptrapd.conf > /dev/null`;
|
|
} else {
|
|
`/bin/grep xcat_traphandler $::snmpconfdir/snmptrapd.conf > /dev/null`;
|
|
}
|
|
|
|
# if the return code is 1, then there is no xcat_traphandler, or 'forward'
|
|
# references and we need to put them in.
|
|
if($? >> 8){
|
|
# back up the original file.
|
|
`/bin/cp -f $::snmpconfdir/snmptrapd.conf $::snmpconfdir/snmptrapd.conf.orig`;
|
|
|
|
# if the file exists and does not have "authCommunity execute,net public" then add it.
|
|
open(FILE1, "<$::snmpconfdir/snmptrapd.conf");
|
|
open(FILE, ">$::snmpconfdir/snmptrapd.conf.tmp");
|
|
my $found=0;
|
|
my $forward_handled=0;
|
|
while (readline(FILE1)) {
|
|
if (/\s*authCommunity.*public/) {
|
|
$found=1;
|
|
if (!/\s*authCommunity\s*.*execute.*public/) {
|
|
s/authCommunity\s*(.*)\s* public/authCommunity $1,execute public/; #modify it to have 'execute' if found
|
|
}
|
|
if (!/\s*authCommunity\s*.*net.*public/) {
|
|
s/authCommunity\s*(.*)\s* public/authCommunity $1,net public/; #modify it to have 'net' if found
|
|
}
|
|
} elsif (/\s*forward\s*default/) {
|
|
if (($isSN) && (!/$master/)) {
|
|
s/\s*forward/\#forward/; #comment out the old one
|
|
if (!$forward_handled) {
|
|
print FILE "forward default $master\n";
|
|
$forward_handled=1;
|
|
}
|
|
}
|
|
}
|
|
|
|
print FILE $_;
|
|
}
|
|
|
|
|
|
|
|
if (!$found) { #add new one if not found
|
|
print FILE "authCommunity log,execute,net public\n";
|
|
}
|
|
|
|
# now add the new traphandle commands:
|
|
if (!$isSN) {
|
|
print FILE "traphandle default $::XCATROOT/sbin/xcat_traphandler\n";
|
|
}
|
|
|
|
close(FILE1);
|
|
close(FILE);
|
|
`mv -f $::snmpconfdir/snmptrapd.conf.tmp $::snmpconfdir/snmptrapd.conf`;
|
|
}
|
|
}
|
|
else { # The snmptrapd.conf file does not exists
|
|
# create the file:
|
|
my $handle = new IO::File;
|
|
open($handle, ">$::snmpconfdir/snmptrapd.conf");
|
|
print $handle "authCommunity log,execute,net public\n";
|
|
if ($isSN) {
|
|
print $handle "forward default $master\n"; #forward the trap from sn to mn
|
|
} else {
|
|
print $handle "traphandle default $::XCATROOT/sbin/xcat_traphandler\n";
|
|
}
|
|
close($handle);
|
|
}
|
|
|
|
|
|
# Configure SNMPv3 on AIX
|
|
# if(xCAT::Utils->isAIX()){
|
|
#the identification of this node
|
|
my @hostinfo=xCAT::NetworkUtils->determinehostname();
|
|
my $isSV=xCAT::Utils->isServiceNode();
|
|
my %iphash=();
|
|
foreach(@hostinfo) {$iphash{$_}=1;}
|
|
if (!$isSV) { $iphash{'noservicenode'}=1;}
|
|
|
|
my $all=0;
|
|
my %nodehash=();
|
|
if ((!$noderef) || (@$noderef==0)) {$all=1;}
|
|
else {
|
|
foreach(@$noderef) { $nodehash{$_}=1;}
|
|
}
|
|
|
|
my %mpa_hash=();
|
|
my %masterhash=();
|
|
my @node_a=();
|
|
my $table=xCAT::Table->new("mp");
|
|
if ($table) {
|
|
my @tmp1=$table->getAllNodeAttribs(['node','mpa']);
|
|
if (@tmp1 > 0) {
|
|
foreach(@tmp1) {
|
|
my $node=$_->{node};
|
|
my $mpa=$_->{mpa};
|
|
if ((!$all) && (!exists($nodehash{$node})) && (!exists($nodehash{$mpa}))) {next;}
|
|
|
|
if ($mpa_hash{$mpa}) { next;} #already handled
|
|
|
|
$mpa_hash{$mpa}=1;
|
|
|
|
my $pHash=xCAT_monitoring::monitorctrl->getNodeMonServerPair([$mpa], 0);
|
|
if (ref($pHash) eq 'ARRAY') {
|
|
if ($callback) {
|
|
my $rsp={};
|
|
if ($ret_val) {
|
|
$rsp->{data}->[0]=$pHash->[1];
|
|
}
|
|
$callback->($rsp);
|
|
} else {
|
|
xCAT::MsgUtils->message('S', "[mon]: " . $pHash->[1]);
|
|
}
|
|
return (0, "");
|
|
}
|
|
|
|
my $pairs=$pHash->{$mpa};
|
|
my @a_temp=split(':',$pairs);
|
|
my $monserver=$a_temp[0];
|
|
my $master=$a_temp[1];
|
|
|
|
if ($monserver) {
|
|
if (!$iphash{$monserver}) { next;} #skip if has sn but not localhost
|
|
} else {
|
|
if ($isSV) { next; } #skip if does not have sn but localhost is a sn
|
|
}
|
|
|
|
push(@node_a, $mpa);
|
|
|
|
# find the master node and add the node in the hash
|
|
if(exists($masterhash{$master})) {
|
|
my $ref=$masterhash{$master};
|
|
push(@$ref, $mpa);
|
|
} else { $masterhash{$master}=[$mpa]; }
|
|
} #foreach
|
|
}
|
|
$table->close();
|
|
}
|
|
|
|
if (@node_a==0){ return ($ret_val, $ret_text);} #nothing to handle
|
|
|
|
# Read username, password, and mac from DB.
|
|
foreach my $mpa ( @node_a ) {
|
|
my $mac;
|
|
my $user;
|
|
my $password;
|
|
|
|
my $mpatable=xCAT::Table->new("mpa");
|
|
if ($mpatable) {
|
|
my $mpa_a = $mpatable->getAttribs({mpa => $mpa}, 'username', 'password');
|
|
if ( $mpa_a and $mpa_a->{username} and $mpa_a->{password} ) {
|
|
$user = $mpa_a->{username};
|
|
$password = $mpa_a->{password};
|
|
} else {
|
|
xCAT::MsgUtils->message('E', "No username or password found for $mpa");
|
|
}
|
|
}
|
|
|
|
my $mactable=xCAT::Table->new("mac");
|
|
if ( $mactable ) {
|
|
my $mac_a = $mactable->getAttribs({node=> $mpa}, 'mac');
|
|
if ( $mac_a and $mac_a->{mac} ) {
|
|
$mac = $mac_a->{mac};
|
|
} else {
|
|
xCAT::MsgUtils->message('E', "No mac found for $mpa");
|
|
}
|
|
}
|
|
|
|
my $found1=0;
|
|
my $found2=0;
|
|
if ( $mac and $user and $password ) {
|
|
#write configuration file
|
|
open(FILE1, "<$::snmpconfdir/snmptrapd.conf");
|
|
open(FILE, ">$::snmpconfdir/snmptrapd.conf.tmp");
|
|
while (readline(FILE1)) {
|
|
if (/\s*authUser.*$user/) {
|
|
$found1=1;
|
|
if (!/\s*authUser\s*.*execute.*$user/) {
|
|
s/authUser\s*(.*)\s* $user/authUser $1,execute $user/; #modify it to have 'execute' if found
|
|
}
|
|
}
|
|
if (!/\s*authUser\s*.*net.*$user/) {
|
|
s/authUser\s*(.*)\s* $user/authUser $1,net $user/; #modify it to have 'net' if found
|
|
}
|
|
|
|
if (/\s*createUser.*$mac.*$user.*$password/) {
|
|
$found2=1;
|
|
}
|
|
|
|
print FILE $_;
|
|
}
|
|
|
|
}
|
|
|
|
if (!$found1) { #add new one if not found
|
|
print FILE "authUser log,execute,net $user\n";
|
|
}
|
|
|
|
if (!$found2) {
|
|
print FILE "createUser -e 0x8000045001$mac $user SHA $password DES\n";
|
|
}
|
|
|
|
close(FILE1);
|
|
close(FILE);
|
|
`mv -f $::snmpconfdir/snmptrapd.conf.tmp $::snmpconfdir/snmptrapd.conf`;
|
|
}
|
|
# }
|
|
|
|
|
|
# TODO: put the mib files to /usr/share/snmp/mibs
|
|
return (0, "");
|
|
}
|
|
|
|
#--------------------------------------------------------------------------------
|
|
=head3 configMail
|
|
This function adds a "alerts" mail aliase so that the mail notification
|
|
from the trap handler can be received. It the alerts already exists, this
|
|
function does nothing.
|
|
TODO: configure mail servers on MS to forward mails to MS
|
|
Arguments:
|
|
none
|
|
Returns:
|
|
(return code, message)
|
|
=cut
|
|
#--------------------------------------------------------------------------------
|
|
sub configMail {
|
|
#check if "alerts" is in the /etc/aliases file
|
|
if (-f "/etc/aliases"){
|
|
# if the file exists, check if alerts is in
|
|
`/bin/grep -e ^alerts /etc/aliases > /dev/null`;
|
|
if ($? ==0) { return (0, "") };
|
|
}
|
|
|
|
#make a alerts aliase, forwarding the mail to the root of local host.
|
|
`echo "alerts: root" >> /etc/aliases`;
|
|
|
|
#make it effective
|
|
`newaliases`;
|
|
|
|
return (0, "");
|
|
}
|
|
|
|
|
|
|
|
|
|
#--------------------------------------------------------------------------------
|
|
=head3 processSettingChanges
|
|
This function gets called when the setting for this monitoring plugin
|
|
has been changed in the monsetting table.
|
|
Arguments:
|
|
none.
|
|
Returns:
|
|
0 for successful.
|
|
non-0 for not successful.
|
|
=cut
|
|
#--------------------------------------------------------------------------------
|
|
sub processSettingChanges {
|
|
return 0;
|
|
}
|
|
|
|
#--------------------------------------------------------------------------------
|
|
=head3 getDiscription
|
|
This function returns the detailed description of the plugin inluding the
|
|
valid values for its settings in the monsetting tabel.
|
|
Arguments:
|
|
none
|
|
Returns:
|
|
The description.
|
|
=cut
|
|
#--------------------------------------------------------------------------------
|
|
sub getDescription {
|
|
return
|
|
" Description:
|
|
snmpmon sets up the snmptrapd on the management server to receive SNMP
|
|
traps for different nodes. It also sets the trap destination for Blade
|
|
Center Management Module, RSA II, IPMIs that are managed by the xCAT cluster.
|
|
xCAT has categorized some events into different event priorities (critical,
|
|
warning and informational) based on the MIBs we know such as MM, RSA II and
|
|
IPMI. All the unknown events are categorized as 'warning'. By default,
|
|
the xCAT trap handler will log all events into the syslog and only
|
|
email the critical and the warning events to the mail alias called 'alerts'.
|
|
You can use the settings to override the default behavior.
|
|
Use command 'monstart snmpmon' to star monitoring and 'monstop snmpmon'
|
|
to stop it.
|
|
Settings:
|
|
ignore: specifies the events that will be ignored. It's a comma separated
|
|
pairs of oid=value. For example,
|
|
spTrapAppType=4,spTrapMsgText=~power,spTrapMsgText=Hello there.
|
|
email: specifies the events that will get email notification.
|
|
log: specifies the events that will get logged.
|
|
runcmd#:specifies the events that will be passed to the user defined scripts.
|
|
cmds#: specifies the command names that will be invoked for the events
|
|
specified in the runcmd# row. '#' is a number.
|
|
db: specifies the events that will be logged into the eventlog table
|
|
in xCAT database.
|
|
|
|
Special keywords for specifying events:
|
|
All -- all events.
|
|
None -- none of the events.
|
|
Critical -- all critical events.
|
|
Warning -- all warning events.
|
|
Informational -- all informational events.
|
|
|
|
For example, you can have the following setting:
|
|
email Critical,spTrapMsgText=~Test this,spTrapMsgText=Hello there
|
|
This means send email for all the critical events and events with spTrapMsgText
|
|
contains the phrase 'Test this' or equals 'Hello there'.\n"
|
|
}
|
|
|
|
#--------------------------------------------------------------------------------
|
|
=head3 getNodesMonServers
|
|
This function checks the given nodes, if they are bmc/ipmi nodes, the monserver pairs of
|
|
the nodes will be returned. If the nodes are managed by MM, the monserver pairs of their
|
|
mpa will be returned.
|
|
Arguments:
|
|
p_nodes -- a pointer to an arrays of nodes to be added for monitoring. none means all.
|
|
callback -- the callback pointer for error and status displaying. It can be null.
|
|
Returns:
|
|
A pointer to a hash table with monserver pairs as the key and an array
|
|
pointer of nodes as the value.
|
|
For example: { "sv1,ma1"=>[node1,node2], "sv2,ma2"=>node3...}
|
|
The pair is in the format of "monserver,monmaser". First one is the monitoring service
|
|
node ip/hostname that faces the mn and the second one is the monitoring service
|
|
node ip/hostname that faces the cn.
|
|
The value of the first one can be "noservicenode" meaning that there is no service node
|
|
for that node. In this case the second one is the site master.
|
|
It retuens a pointer to an array if there is an error. Format is [code, message].
|
|
=cut
|
|
#--------------------------------------------------------------------------------
|
|
sub getNodesMonServers
|
|
{
|
|
print "snmpmon:getNodesMonServer called\n";
|
|
my $noderef=shift;
|
|
if ($noderef =~ /xCAT_monitoring::snmpmon/) {
|
|
$noderef=shift;
|
|
}
|
|
my $callback=shift;
|
|
|
|
my $ret={};
|
|
my $localhostname=hostname();
|
|
my $pPairHash=xCAT_monitoring::monitorctrl->getNodeMonServerPair($noderef, 0);
|
|
|
|
if (ref($pPairHash) eq 'ARRAY') {
|
|
return $pPairHash;
|
|
}
|
|
|
|
|
|
#check for blades, only returns the MPAs and their monservers
|
|
my %mpa_hash=();
|
|
my $table=xCAT::Table->new("mp");
|
|
if ($table) {
|
|
my @tmp1=$table->getAllNodeAttribs(['node','mpa']);
|
|
if (@tmp1 > 0) {
|
|
foreach(@tmp1) {
|
|
my $node=$_->{node};
|
|
my $mpa=$_->{mpa};
|
|
if ((!exists($pPairHash->{$node})) && (!exists($pPairHash->{$mpa}))) {next;} #not in input
|
|
|
|
#if (exists($pPairHash->{$node})) { delete($pPairHash->{$node}); }
|
|
if ($mpa_hash{$mpa}) { next;} #already handled
|
|
|
|
$mpa_hash{$mpa}=1;
|
|
|
|
my $pairs;
|
|
if (exists($pPairHash->{$mpa})) {
|
|
$pairs=$pPairHash->{$mpa};
|
|
} else {
|
|
my $pHash=xCAT_monitoring::monitorctrl->getNodeMonServerPair([$mpa], 0);
|
|
if (ref($pHash) eq 'ARRAY') {
|
|
return $pHash;
|
|
}
|
|
|
|
$pairs=$pHash->{$mpa};
|
|
}
|
|
|
|
if (exists($ret->{$pairs})) {
|
|
my $pa=$ret->{$pairs};
|
|
push(@$pa, $mpa);
|
|
}
|
|
else {
|
|
$ret->{$pairs}=[$mpa];
|
|
}
|
|
|
|
#if (exists($pPairHash->{$mpa}))) { delete($pPairHash->{$mpa}); }
|
|
} #foreach
|
|
}
|
|
$table->close();
|
|
}
|
|
|
|
|
|
#check BMC/IPMI nodes
|
|
$table=xCAT::Table->new("ipmi");
|
|
if ($table) {
|
|
my @tmp1=$table->getAllNodeAttribs(['node','bmc']);
|
|
if (@tmp1 > 0) {
|
|
foreach(@tmp1) {
|
|
my $node=$_->{node};
|
|
my $bmc=$_->{bmc};
|
|
if (! exists($pPairHash->{$node})) {next;}
|
|
my $pairs=$pPairHash->{$node};
|
|
|
|
if (exists($ret->{$pairs})) {
|
|
my $pa=$ret->{$pairs};
|
|
push(@$pa, $node);
|
|
}
|
|
else {
|
|
$ret->{$pairs}=[$node];
|
|
}
|
|
|
|
#delete($pPairHash->{$node});
|
|
} #foreach
|
|
}
|
|
$table->close();
|
|
}
|
|
|
|
#check swithes
|
|
my $table=xCAT::Table->new('switches',-create=>0);
|
|
if ($table) {
|
|
my @tmp1=$table->getAllAttribs(('switch'));
|
|
if (defined(@tmp1) && (@tmp1 > 0)) {
|
|
foreach(@tmp1) {
|
|
my @switches_tmp=noderange($_->{switch});
|
|
if (@switches_tmp==0) { push @switches_tmp, $_->{switch}; }
|
|
foreach my $node (@switches_tmp) {
|
|
if (! exists($pPairHash->{$node})) {next;}
|
|
my $pairs=$pPairHash->{$node};
|
|
|
|
if (exists($ret->{$pairs})) {
|
|
my $pa=$ret->{$pairs};
|
|
push(@$pa, $node);
|
|
}
|
|
else {
|
|
$ret->{$pairs}=[$node];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
$table->close();
|
|
}
|
|
|
|
|
|
return $ret;
|
|
}
|