xcat-core/xCAT-server/lib/xcat/plugins/web.pm
2010-12-15 10:20:59 +00:00

858 lines
19 KiB
Perl

# IBM(c) 2007 EPL license http://www.eclipse.org/legal/epl-v10.html
#-------------------------------------------------------
=head 1
xCAT plugin package to handle webrun command
=cut
#-------------------------------------------------------
package xCAT_plugin::web;
use strict;
require xCAT::Utils;
require xCAT::MsgUtils;
use Getopt::Long;
use Data::Dumper;
use LWP::Simple;
use xCAT::Table;
use xCAT::NodeRange;
sub handled_commands {
return { webrun => "web", };
}
sub process_request {
my $request = shift;
my $callback = shift;
my $sub_req = shift;
my %authorized_cmds = (
#command => function
'pping' => \&web_pping,
'update' => \&web_update,
'chtab' => \&web_chtab,
'lscondition' => \&web_lscond,
'lsresponse' => \&web_lsresp,
'lscondresp' => \&web_lscondresp,
'mkcondresp' => \&web_mkcondresp,
'startcondresp' => \&web_startcondresp,
'stopcondresp' => \&web_stopcondresp,
'lsrsrc' => \&web_lsrsrc,
'lsrsrcdef-api' => \&web_lsrsrcdef,
'gettab' => \&web_gettab,
'lsevent' => \&web_lsevent,
'lsdef' => \&web_lsdef,
'unlock' => \&web_unlock,
'rmcstart' => \&web_rmcmonStart,
'rmcshow' => \&web_rmcmonShow,
'gangliastart' => \&web_gangliastart,
'gangliastop' => \&web_gangliastop,
'gangliastatus' => \&web_gangliastatus,
'gangliacheck' => \&web_gangliacheck,
#'xdsh' => \&web_xdsh,
#THIS list needs to be updated
);
#to check whether the request is authorized or not
split ' ', $request->{arg}->[0];
my $cmd = $_[0];
if ( grep { $_ eq $cmd } keys %authorized_cmds ) {
my $func = $authorized_cmds{$cmd};
$func->( $request, $callback, $sub_req );
}
else {
$callback->( { error => "$cmd is not authorized!\n", errorcode => [1] } );
}
}
sub web_lsdef {
my ( $request, $callback, $sub_req ) = @_;
print Dumper($request);
#TODO: web_lsdef works only for "lsdef <noderange> -i nodetype"
my $ret = `$request->{arg}->[0]`;
my @lines = split '\n', $ret;
split '=', $lines[2];
my $ntype = $_[1];
$callback->( { data => "$ntype" } );
}
sub web_lsevent {
my ( $request, $callback, $sub_req ) = @_;
my @ret = `$request->{arg}->[0]`;
#print Dumper(\@ret);
#please refer the manpage for the output format of "lsevent"
my $data = [];
my $record = '';
my $i = 0;
my $j = 0;
foreach my $item (@ret) {
if ( $item ne "\n" ) {
chomp $item;
my ( $key, $value ) = split( "=", $item );
if ($j < 2){
$record .= $value . ';';
}
else{
$record .= $value;
}
$j++;
if ( $j == 3 ) {
$i++;
$j = 0;
push(@$data, $record);
$record = '';
}
}
}
#print Dumper(\%data);
$callback->( { data => $data } );
}
sub web_lsrsrcdef {
my ( $request, $callback, $sub_req ) = @_;
my $ret = `$request->{arg}->[0]`;
my @lines = split '\n', $ret;
shift @lines;
print Dumper( \@lines );
my $data = join( "=", @lines );
$callback->( { data => "$data" } );
}
sub web_lsrsrc {
my ( $request, $callback, $sub_req ) = @_;
my $ret = `$request->{arg}->[0]`;
my @classes;
my @lines = split '\n', $ret;
shift @lines;
foreach my $line (@lines) {
my $index = index( $line, '"', 1 );
push @classes, substr( $line, 1, $index - 1 );
}
my $data = join( "=", @classes );
$callback->( { data => "$data" } );
}
sub web_mkcondresp {
my ( $request, $callback, $sub_req ) = @_;
print Dumper( $request->{arg}->[0] ); #debug
my $ret = system( $request->{arg}->[0] );
#there's no output for "mkcondresp"
#TODO
if ($ret) {
#failed
}
}
sub web_startcondresp {
my ( $request, $callback, $sub_req ) = @_;
print Dumper( $request->{arg}->[0] ); #debug
my $ret = system( $request->{arg}->[0] );
if ($ret) {
#to handle the failure
}
}
sub web_stopcondresp {
my ( $request, $callback, $sub_req ) = @_;
print Dumper( $request->{arg}->[0] ); #debug
my $ret = system( $request->{arg}->[0] );
if ($ret) {
#to handle the failure
}
}
sub web_lscond {
my ( $request, $callback, $sub_req ) = @_;
my $ret = `lscondition`;
my @lines = split '\n', $ret;
shift @lines;
shift @lines;
foreach my $line (@lines) {
$callback->( { data => $line } );
}
}
sub web_lsresp {
my ( $request, $callback, $sub_req ) = @_;
my $ret = `lsresponse`;
my @resps;
my @lines = split '\n', $ret;
shift @lines;
shift @lines;
foreach my $line (@lines) {
$callback->( { data => $line } );
}
}
sub web_lscondresp {
my ( $request, $callback, $sub_req ) = @_;
my @ret = `lscondresp`;
shift @ret;
shift @ret;
foreach my $line (@ret) {
chomp $line;
$callback->( { data => $line } );
}
}
sub web_gettab {
#right now, gettab only support the monitoring table
my ( $request, $callback, $sub_req ) = @_;
split ' ', $request->{arg}->[0];
my $tmp_str = $_[2];
split '\.', $tmp_str;
my $table = $_[0];
if ( $table == "monitoring" ) {
my $val = `$request->{arg}->[0]`;
chomp $val;
$callback->( { data => $val } );
}
else {
$callback->(
{
error => "The table $table is not authorized to get!\n",
errorcode => [1]
}
);
}
}
#-------------------------------------------------------
=head3 web_update
Description : Update the xCAT associate RPM on manangement node
Arguments : RPM Name
Repository address
Returns : Nothing
=cut
#-------------------------------------------------------
sub web_update {
my ( $request, $callback, $sub_req ) = @_;
my $os = "unknow";
my $RpmNames = $request->{arg}->[1];
my $repository = $request->{arg}->[2];
my $FileHandle;
my $cmd;
my $ReturnInfo;
my $WebpageContent = undef;
my $RemoteRpmFilePath = undef;
my $LocalRpmFilePath = undef;
if ( xCAT::Utils->isLinux() ) {
$os = xCAT::Utils->osver();
#suse linux
if ( $os =~ /sles.*/ ) {
$RpmNames =~ s/,/ /g;
#create zypper command
$cmd = "zypper -n -p " . $repository . " update " . $RpmNames;
}
#redhat
else {
#check the yum config file, and delect it if exist.
if ( -e "/tmp/xCAT_update.yum.conf" ) {
unlink("/tmp/xCAT_update.yum.conf");
}
#create file, return error if failed.
unless ( open( $FileHandle, '>>', "/tmp/xCAT_update.yum.conf" ) ) {
$callback->( { error => "Create temp file error!\n", errorcode => [1] } );
return;
}
#write the rpm path into config file.
print $FileHandle "[xcat_temp_update]\n";
print $FileHandle "name=temp prepository\n";
$repository = "baseurl=" . $repository . "\n";
print $FileHandle $repository;
print $FileHandle "enabled=1\n";
print $FileHandle "gpgcheck=0\n";
close($FileHandle);
#use system to run the cmd "yum -y -c config-file update rpm-names"
$RpmNames =~ s/,/ /g;
$cmd = "yum -y -c /tmp/xCAT_update.yum.conf update " . $RpmNames . " 2>&1";
}
#run the command and return the result
$ReturnInfo = readpipe($cmd);
$callback->( { info => $ReturnInfo } );
}
#AIX
else {
#open the rpmpath(may be error), and read the page's content
$WebpageContent = LWP::Simple::get($repository);
unless ( defined($WebpageContent) ) {
$callback->( { error => "open $repository error, please check!!", errorcode => [1] } );
return;
}
#must support for updating several rpms.
foreach ( split( /,/, $RpmNames ) ) {
#find out rpms' corresponding rpm href on the web page
$WebpageContent =~ m/href="($_-.*?[ppc64|noarch].rpm)/i;
unless ( defined($1) ) {
next;
}
$RemoteRpmFilePath = $repository . $1;
$LocalRpmFilePath = '/tmp/' . $1;
#download rpm package to temp
unless ( -e $LocalRpmFilePath ) {
$cmd = "wget -O " . $LocalRpmFilePath . " " . $RemoteRpmFilePath;
if ( 0 != system($cmd) ) {
$ReturnInfo = $ReturnInfo . "update " . $_ . " failed: can not download the rpm\n";
$callback->( { error => $ReturnInfo, errorcode => [1] } );
return;
}
}
#update rpm by rpm packages.
$cmd = "rpm -U " . $LocalRpmFilePath . " 2>&1";
$ReturnInfo = $ReturnInfo . readpipe($cmd);
}
$callback->( { info => $ReturnInfo } );
}
}
#-------------------------------------------------------
=head3 web_pping
Description : Get the ping status of a given node
Arguments : Node
Returns : Nothing
=cut
#-------------------------------------------------------
sub web_pping {
my ( $request, $callback, $sub_req ) = @_;
# Treat the argument as the commandline, run it, and get the return message
my $out = `$request->{arg}->[0]`;
# Parse output, and use $callback to send back to the web interface
# Output looks like:
# xcat_n02: ping
# xcat_n03: ping
# xcat_n51: ping
# xcat_n52: noping
my @lines = split( '\n', $out );
my $line;
foreach $line (@lines) {
split( ':', $line );
$callback->(
{
node => [
{
name => [ $_[0] ], # Node name
data => [ $_[1] ] # Output
}
]
}
);
}
}
#-------------------------------------------------------
=head3 web_unlock
Description : Unlock a node by setting up the SSH keys
Arguments : Node
Password
Returns : Nothing
=cut
#-------------------------------------------------------
sub web_unlock {
my ( $request, $callback, $sub_req ) = @_;
my $node = $request->{arg}->[1];
my $password = $request->{arg}->[2];
my $out = `DSH_REMOTE_PASSWORD=$password xdsh $node -K`;
$callback->( { data => $out } );
}
#-------------------------------------------------------
=head3 web_gangliastatus
Description : Get the status of Ganglia on a given node
Arguments : Node
Returns : Nothing
=cut
#-------------------------------------------------------
sub web_gangliastatus {
my ( $request, $callback, $sub_req ) = @_;
# Get node range
my $nr = $request->{arg}->[1];
my $out = `xdsh $nr "service gmond status"`;
# Parse output, and use $callback to send back to the web interface
# Output looks like:
# node_1: Checking for gmond: ..running
# node_2: Checking for gmond: ..running
my @lines = split( '\n', $out );
my $line;
my $status;
foreach $line (@lines) {
if ( $line =~ m/running/i ) {
$status = 'on';
}
else {
$status = 'off';
}
split( ': ', $line );
$callback->(
{
node => [
{
name => [ $_[0] ], # Node name
data => [$status] # Output
}
]
}
);
}
}
#-------------------------------------------------------
=head3 web_gangliastart
Description : Start ganglia monitoring
Arguments : Node range
Returns : Nothing
=cut
#-------------------------------------------------------
sub web_gangliastart() {
my ( $request, $callback, $sub_req ) = @_;
# Get node range
my $nr = $request->{arg}->[1];
if ( !$nr ) {
# If no node range is given, then assume all nodes
$nr = '';
}
# Add gangliamon to the monitoring table
my $info;
my $output = `monadd gangliamon`;
my @lines = split( '\n', $output );
foreach (@lines) {
if ($_) {
$info .= ( $_ . "\n" );
}
}
# Run the ganglia configuration script on node
$output = `moncfg gangliamon $nr -r`;
@lines = split( '\n', $output );
foreach (@lines) {
if ($_) {
$info .= ( $_ . "\n" );
}
}
# Start the gmond daemon on node
$output = `monstart gangliamon $nr -r`;
@lines = split( '\n', $output );
foreach (@lines) {
if ($_) {
$info .= ( $_ . "\n" );
}
}
$callback->( { info => $info } );
return;
}
#-------------------------------------------------------
=head3 web_gangliastop
Description : Stop ganglia monitoring
Arguments : Node range
Returns : Nothing
=cut
#-------------------------------------------------------
sub web_gangliastop() {
my ( $request, $callback, $sub_req ) = @_;
# Get node range
my $nr = $request->{arg}->[1];
if ( !$nr ) {
$nr = '';
}
# Start the gmond daemon on node
my $info;
my $output = `monstop gangliamon $nr -r`;
my @lines = split( '\n', $output );
foreach (@lines) {
if ($_) {
$info .= ( $_ . "\n" );
}
}
$callback->( { info => $info } );
return;
}
#-------------------------------------------------------
=head3 web_gangliacheck
Description : Check if ganglia RPMs are installed
Arguments : Node range
Returns : Nothing
=cut
#-------------------------------------------------------
sub web_gangliacheck() {
my ( $request, $callback, $sub_req ) = @_;
# Get node range
my $nr = $request->{arg}->[1];
if ( !$nr ) {
$nr = '';
}
# Check if ganglia RPMs are installed
my $info;
my $info = `xdsh $nr "rpm -q ganglia-gmond libganglia libconfuse"`;
$callback->( { info => $info } );
return;
}
#-------------------------------------------------------
=head3 web_chtab
Description : Add, delete or update rows in the database tables
Arguments : The chtab command to run
Returns : Nothing
=cut
#-------------------------------------------------------
sub web_chtab {
my ( $request, $callback, $sub_req ) = @_;
# Get command
my $cmd = $request->{arg}->[0];
# Get node name
my @args = split( ' ', $cmd );
my $node = $args[1];
$node =~ s/node=//g;
my $info;
if ( $args[0] =~ m/chtab/i ) {
# Take argument as command and run it
system($cmd);
$info = 'Tables updated';
}
else {
$info = 'Unsupported command';
}
$callback->({
node => [{
name => [$node], # Node name
data => [$info] # Output
}]
});
}
#-------------------------------------------------------
=head3 web_rmcStart
Description : Start the RMC monitoring on management node
Arguments : Nothing
Returns : Nothing
=cut
#-------------------------------------------------------
sub web_rmcmonStart {
my ( $request, $callback, $sub_req ) = @_;
my $nodeRange = $request->{arg}->[1];
my $table;
my $retData = "";
my $output;
#check the running status
$table = xCAT::Table->new('monitoring');
my $rmcWorkingStatus = $table->getAttribs( { name => 'rmcmon' }, 'disable' );
$table . close();
#the rmc monitoring is running so return directly
if ($rmcWorkingStatus) {
if ( $rmcWorkingStatus->{disable} =~ /0|No|no|NO|N|n/ ) {
$callback->( { info => 'RMC Monitoring is running now.' } );
return;
}
}
$retData .= "RMC is not running, start it now.\n";
#check the monsetting table rmc's montype contains "performance"
$table = xCAT::Table->new('monsetting');
my $rmcmonType = $table->getAttribs( { name => 'rmcmon', key => 'montype' }, 'value' );
$table . close();
#the rmc monitoring is not configure right we should configure it again
#there is no rmcmon in monsetting table
if ( !$rmcmonType ) {
$output = xCAT::Utils->runcmd( 'monadd rmcmon -s [montype=perf]', -1, 1 );
foreach (@$output) {
$retData .= ( $_ . "\n" );
}
$retData .= "Add the rmcmon to monsetting table complete.\n";
}
#configure before but there is not performance monitoring, so change the table
else {
if ( !( $rmcmonType->{value} =~ /perf/ ) ) {
$output = xCAT::Utils->runcmd( 'chtab name=rmcmon,key=montype monsetting.value=perf', -1, 1 );
foreach (@$output) {
$retData .= ( $_ . "\n" );
}
$retData .= "Change the rmcmon configure in monsetting table finish.\n";
}
}
#run the rmccfg command to add all nodes into local RMC configuration
$output = xCAT::Utils->runcmd( "moncfg rmcmon $nodeRange", -1, 1 );
foreach (@$output) {
$retData .= ( $_ . "\n" );
}
#run the rmccfg command to add all nodes into remote RMC configuration
$output = xCAT::Utils->runcmd( "moncfg rmcmon $nodeRange -r", -1, 1 );
foreach (@$output) {
$retData .= ( $_ . "\n" );
}
#check the monfiguration
#use lsrsrc -a IBM.Host Name. compare the command's return and the noderange, then decide witch node should be refrsrc
#start the rmc monitor
$output = xCAT::Utils->runcmd( "monstart rmcmon", -1, 1 );
foreach (@$output) {
$retData .= ( $_ . "\n" );
}
$callback->( { info => $retData } );
return;
#configure the rmc monitoring
}
sub web_rmcmonShow() {
my ( $request, $callback, $sub_req ) = @_;
my $nodeRange = $request->{arg}->[1];
my $attr = $request->{arg}->[2];
my @nodes;
my $retInfo;
my $retHash = {};
my $output;
my @activeNodes;
my @rmcNodes;
my $tempNodes;
my $temp = "";
#only get the system rmc info
#like this PctTotalTimeIdle=>"10.0000, 20.0000, 12.0000, 30.0000"
if ( 'summary' eq $nodeRange ) {
$output =
xCAT::Utils->runcmd( "monshow rmcmon -s -t 60 -a " . $attr, -1, 1 );
foreach $temp (@$output) {
#the attribute name
if ( $temp =~ /Pct/ ) {
$temp =~ s/ //g;
#the first one
if ( "" eq $retInfo ) {
$retInfo .= ( $temp . ':' );
}
else {
$retInfo =~ s/,$/;/;
$retInfo .= ( $temp . ':' );
}
next;
}
#the content of the attribute
$temp =~ m/\s+(\d+\.\d{4})/;
if ( defined($1) ) {
$retInfo .= ( $1 . ',' );
}
}
#return the rmc info
$retInfo =~ s/,$//;
$callback->( { info => $retInfo } );
return;
}
if ( 'lpar' eq $nodeRange ) {
#get nodes detail containt
@nodes = xCAT::NodeRange::noderange($nodeRange);
if ( (@nodes) && ( @nodes > 0 ) ) {
#get all the active nodes
$temp = join( ' ', @nodes );
$output = `fping -a $temp 2> /dev/null`;
chomp($output);
@activeNodes = split( /\n/, $output );
#get all the inactive nodes by substracting the active nodes from all.
my %temp2;
foreach (@activeNodes) {
$temp2{$_} = 1;
}
foreach (@nodes) {
if ( !$temp2{$_} ) {
push( @{ $retHash->{node} }, { name => $_, data => 'NA' } );
}
}
}
if ( @activeNodes < 1 ) {
$callback->($retHash);
return;
}
$tempNodes = join( ',', @activeNodes );
$output = xCAT::Utils->runcmd( "xdsh $tempNodes rpm -q rsct.core", -1, 1 );
#non-installed
foreach (@$output) {
my @temp = split( /:/, $_ );
if ( @temp[1] =~ /not installed/ ) {
push( @{ $retHash->{node} }, { name => @temp[0], data => 'NI' } );
}
else {
push( @rmcNodes, @temp[0] );
}
}
#there are not rmc nodes, so we should return directly
if ( @rmcNodes < 1 ) {
$callback->($retHash);
return;
}
$tempNodes = join( ',', @rmcNodes );
$output = xCAT::Utils->runcmd( "xdsh $tempNodes \"/bin/ps -ef | /bin/grep rmcd | /bin/grep -v grep\" | /bin/awk '{print \$1\$9}'", -1, 1 );
foreach (@$output) {
my @temp = split( /:/, $_ );
if ( @temp[1] =~ /rmcd/ ) {
push( @{ $retHash->{node} }, { name => @temp[0], data => 'OK' } );
}
#not running
else {
push( @{ $retHash->{node} }, { name => @temp[0], data => 'NR' } );
}
}
$callback->($retHash);
return;
}
my $attrName = "";
my @attrValue = ();
$output =
xCAT::Utils->runcmd( "monshow rmcmon $nodeRange -t 60 -a " . $attr, -1, 1 );
foreach (@$output) {
$temp = $_;
if ( $temp =~ /\t/ ) {
$temp =~ s/\t/ /g;
chomp($temp);
}
#the attribute name
if ( $temp =~ m/\s+(Pct.*)\s+/ ) {
$temp = $1;
#the first one
if ( "" ne $attrName ) {
push( @{ $retHash->{node} }, { name => $attrName, data => join( ',', @attrValue ) } );
$attrName = "";
@attrValue = ();
}
$attrName = $temp;
next;
}
#the content of the attribute
$temp =~ m/\s+(\d+\.\d{4})\s*$/;
if ( defined($1) ) {
push( @attrValue, $1 );
}
}
#push the last attribute name and values.
push( @{ $retHash->{node} }, { name => $attrName, data => join( ',', @attrValue ) } );
$callback->($retHash);
}