43de2697b3
git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/branches/2.8@15441 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
875 lines
27 KiB
Perl
875 lines
27 KiB
Perl
# IBM(c) 2011 EPL license http://www.eclipse.org/legal/epl-v10.html
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#-------------------------------------------------------
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=head 1
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xCAT plugin to handle xCAT UI service portal commands
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=cut
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#-------------------------------------------------------
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package xCAT_plugin::webportal;
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use strict;
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require xCAT::Utils;
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require xCAT::MsgUtils;
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require xCAT::zvmUtils;
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require xCAT::DBobjUtils;
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require IO::Socket::INET;
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use Getopt::Long;
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use Data::Dumper;
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use xCAT::Table;
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use xCAT::NodeRange;
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use XML::Simple;
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require XML::Parser;
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sub handled_commands {
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# In order for this to work, you need to run: ln -s /opt/xcat/bin/xcatclientnnr /opt/xcat/bin/webportal
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# xcatclientnnr allows command to run without a node range
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return { webportal => "webportal" };
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}
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sub process_request {
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my $request = shift;
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my $callback = shift;
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my $sub_req = shift;
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my %authorized_cmds = (
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'lszvm' => \&lszvm,
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'provzlinux' => \&provzlinux,
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'clonezlinux' => \&clonezlinux,
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'genhostip' => \&genhostip,
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'getmaxvm' => \&getmaxvm,
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'getuserprivilege' => \&getuserprivilege,
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'lsgoldenimages' => \&lsgoldenimages
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);
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# Check if the request is authorized
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split ' ', $request->{arg}->[0];
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my $cmd = $_[0];
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if ( grep { $_ eq $cmd } keys %authorized_cmds ) {
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my $func = $authorized_cmds{$cmd};
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$func->( $request, $callback, $sub_req );
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}
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else {
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$callback->(
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{ error => "$cmd is not authorized!\n", errorcode => [1] } );
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}
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}
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sub println {
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my $callback = shift;
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my $msg = shift;
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my %rsp;
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push @{ $rsp{info} }, $msg;
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xCAT::MsgUtils->message( 'I', \%rsp, $callback );
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return;
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}
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sub lszvm {
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my ( $request, $callback, $sub_req ) = @_;
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# List the zVM and their respective HCP
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my $out = "";
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my %pair;
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# Look in 'zvm' table
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my $tab = xCAT::Table->new( 'zvm', -create => 1, -autocommit => 0 );
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my @results = $tab->getAllAttribsWhere( "nodetype='vm'", 'hcp', 'parent' );
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foreach (@results) {
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if ( $_->{'hcp'} && $_->{'parent'} && !$pair{ $_->{'hcp'} } ) {
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# Save zVM:HCP pairing
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$pair{ $_->{'hcp'} } = $_->{'parent'};
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# Print out zVM:HCP
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$out .= $_->{'parent'} . ":" . $_->{'hcp'} . "\n";
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}
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}
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$callback->( { data => $out } );
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}
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sub provzlinux {
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my ( $request, $callback, $sub_req ) = @_;
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my $group = $request->{arg}->[1];
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my $hcp = $request->{arg}->[2];
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my $img = $request->{arg}->[3];
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my $owner = $request->{arg}->[4];
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# Exit if missing inputs
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if ( !$group || !$hcp || !$img || !$owner ) {
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println( $callback, '(Error) Missing group, HCP, image, or owner' );
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return;
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}
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# Check the max # of virtual machines allowed
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my $out = `tabdump nodetype -w nodetype.comments=~"owner:$owner"`;
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my @tmp = split( /\n/, $out );
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my $usrVM = scalar(@tmp) - 1;
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$out = `webportal getmaxvm $owner`;
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$out =~ s/Max allowed: //g;
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my $maxVM = int($out);
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# Do not continue if the max # is reached
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if ($usrVM >= $maxVM) {
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println( $callback, "You have reached the maximum number of virtual machines allowed ($maxVM). Delete unused virtual machines or contact your system administrator request more virtual machines.");
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return;
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}
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# Get node OS base
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my $profile;
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my $arch;
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my $os;
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( $profile, $arch, $os ) = getosimagedef( $callback, $img );
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if ( $os =~ m/sp/i ) {
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@tmp = split( /sp/, $os );
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} else {
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@tmp = split( /\./, $os );
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}
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my $os_base = $tmp[0];
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# Read in default disk pool and disk size /opt/zhcp/conf/default.conf on zHCP
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# pool = POOL3
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# eckd_size = 10016
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my $disk_pool;
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my $eckd_size;
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my $fba_size;
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my $default_conf = "/var/opt/xcat/profiles/$profile.conf";
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my $default_direct = "/var/opt/xcat/profiles/$profile.direct";
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# Check if a group based directory entry exists, else use default one
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if ( !(`test -e /var/opt/xcat/profiles/$profile.direct && echo Exists`) ) {
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println( $callback, "$profile.direct does not exist. Using default.direct to generate directory entry." );
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# Exit if default.direct does not exist
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$default_direct = '/var/opt/xcat/profiles/default.direct';
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if ( !(`test -e /var/opt/xcat/profiles/default.direct && echo Exists`) ) {
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println( $callback, '(Error) $default_direct does not exists' );
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return;
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}
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}
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# Exit if default.conf does not exist
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if ( !(`test -e $default_conf && echo Exists`) ) {
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println( $callback, '(Error) $default_conf does not exists' );
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return;
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}
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# Exit if default.direct does not exist
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if ( !(`test -e $default_direct && echo Exists`) ) {
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println( $callback, '(Error) $default_direct does not exists' );
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return;
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}
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$out = `cat $default_conf`;
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@tmp = split( /\n/, $out );
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# default.conf should contain:
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# Configuration for virtual machines
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# default_diskpool=POOL3
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# default_eckd_size=10016
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my $profile_diskpool_parm = $profile . "_diskpool";
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my $profile_eckd_size_parm = $profile . "_eckd_size";
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my $profile_fba_size_parm = $profile . "_fba_size";
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my $default_disk_pool;
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my $default_eckd_size;
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my $default_fba_size;
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foreach (@tmp) {
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# Get profile disk pool (default)
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if ( $_ =~ m/$profile_diskpool_parm=/i ) {
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$disk_pool = $_;
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$disk_pool =~ s/$profile_diskpool_parm=//g;
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}
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# Get profile disk size (default)
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elsif ( $_ =~ m/$profile_eckd_size_parm=/i ) {
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$eckd_size = $_;
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$eckd_size =~ s/$profile_eckd_size_parm=//g;
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}
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elsif ( $_ =~ m/$profile_fba_size_parm=/i ) {
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$fba_size = $_;
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$fba_size =~ s/$profile_fba_size_parm=//g;
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}
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}
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# Use default configuration if profile configuration does not exist
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if (!$disk_pool && (!$eckd_size || !$fba_size)) {
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println( $callback, "(Error) $profile configuration for disk pool and size does not exist" );
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return;
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}
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my $site_tab = xCAT::Table->new('site');
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my $hash = $site_tab->getAttribs( { key => "installdir" }, 'value' );
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my $install_dir = $hash->{'value'};
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# Get autoyast/kickstart template
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# Count the number of disks needed
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my $tmpl;
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if ( $os =~ m/sles/i ) {
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$tmpl = "$install_dir/custom/install/sles/$profile.$os_base.$arch.tmpl";
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} elsif ( $os =~ m/rhel/i ) {
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$tmpl = "$install_dir/custom/install/rh/$profile.$os_base.$arch.tmpl";
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}
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# Create VM
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# e.g. webportal provzlinux [group] [hcp] [image]
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# my ($node, $ip, $base_digit) = gennodename( $callback, $group );
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my ($node, $ip, $hostname) = findfreenode( $callback, $group );
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if (!$node) {
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println( $callback, "Unable to find a free node, IP, and hostname for $group from the IP pool" );
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return;
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}
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my $userid = $node;
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# Set node definitions
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# Also put node into all group
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if ($group eq 'all') {
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$out = `mkdef -t node -o $node userid=$userid hcp=$hcp mgt=zvm groups=$group`;
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} else {
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# Put node in all group
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$out = `mkdef -t node -o $node userid=$userid hcp=$hcp mgt=zvm groups=$group,all`;
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}
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println( $callback, "$out" );
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# Set nodetype definitions
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$out = `chtab node=$node hosts.ip=$ip hosts.hostnames=$hostname noderes.netboot=zvm nodetype.nodetype=osi nodetype.provmethod=install nodetype.os=$os nodetype.arch=$arch nodetype.profile=$profile nodetype.comments="owner:$owner"`;
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# Create user directory entry replacing LXUSR with user ID
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# Use /opt/zhcp/conf/default.direct on zHCP as the template
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# USER LXUSR PSWD 512M 1G G
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# INCLUDE LNXDFLT
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# COMMAND SET VSWITCH VSW2 GRANT LXUSR
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$out = `sed $default_direct -e s/LXUSR/$userid/g > /tmp/$node-direct.txt`;
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$out = `mkvm $node /tmp/$node-direct.txt`;
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`rm -rf /tmp/$node-direct.txt`;
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println( $callback, "$out" );
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if ( $out =~ m/Error/i ) {
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return;
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}
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# Add MDISKs to user directory entry
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# Use /opt/zhcp/conf/default.conf on zHCP to determine disk pool and disk size
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# pool = POOL3
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# eckd_size = 10016
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my $type;
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my $virt_addr;
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if ( $os =~ m/sles/i ) {
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# Create XML object
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my $xml = new XML::Simple;
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# Read XML file
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my $data = $xml->XMLin($tmpl);
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my $devices_ref = $data->{'dasd'}->{'devices'}->{'listentry'};
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my @devices;
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if (ref($devices_ref) eq 'HASH') {
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# In the case of 1 device in the listentry, push hash into array
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push(@devices, $devices_ref);
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} else {
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# Listentry is an array reference
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@devices = @$devices_ref;
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}
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foreach (@devices) {
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# Get disk virtual address and disk type
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$type = $_->{'drivers'}->{'listentry'}->{'modules'}->{'module_entry'}->{'listentry'};
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$virt_addr = $_->{'sysfs_bus_id'};
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$virt_addr =~ s/0\.0\.//g;
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foreach (@$type) {
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# Add ECKD disk
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if ( $_ =~ m/dasd_eckd_mod/i ) {
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$out = `chvm $node --add3390 $disk_pool $virt_addr $eckd_size MR`;
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println( $callback, "$out" );
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if ( $out =~ m/Error/i ) {
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return;
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}
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}
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# Add FBA disk
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elsif ( $_ =~ m/dasd_fba_mod/i ) {
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# To be continued
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# $out = `chvm $node --add9336 $disk_pool $virt_addr $fba_size MR`;
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}
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}
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} # End of foreach
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} elsif ( $os =~ m/rhel/i ) {
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my %devices;
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my $dev;
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$virt_addr = 100;
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# Read in kickstart file
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$out = `cat $tmpl | egrep "part /"`;
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@tmp = split( /\n/, $out );
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foreach (@tmp) {
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$out = substr( $out, index( $out, '--ondisk=' )+9 );
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$out =~ s/\s*$//; # Trim right
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$out =~ s/^\s*//; # Trim left
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$devices{$out} = 1;
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}
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# Add ECKD disk for each device found
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for $dev ( keys %devices ) {
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$out = `chvm $node --add3390 $disk_pool $virt_addr $eckd_size MR`;
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println( $callback, "$out" );
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if ( $out =~ m/Error/i ) {
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return;
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}
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# Increment virtual address
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$virt_addr = $virt_addr + 1;
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}
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}
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# Update hosts table and DNS
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`makehosts`;
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`makedns`;
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# Update DHCP
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`makedhcp -a`;
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# Toggle node power so COMMAND SET will get executed
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`rpower $node on`;
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`rpower $node off`;
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# Punch kernel, initrd, and ramdisk to node reader
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$out = `nodeset $node install`;
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println( $callback, "$out" );
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if ( $out =~ m/Error/i ) {
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return;
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}
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# IPL reader and begin installation
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$out = `rnetboot $node ipl=00C`;
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println( $callback, "$out" );
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if ( $out =~ m/Error/i ) {
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return;
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}
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# Configure Ganglia monitoring
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$out = `moncfg gangliamon $node -r`;
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# Show node information, e.g. IP, hostname, and root password
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$out = `lsdef $node -i ip,hostnames | egrep "ip=|hostnames="`;
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my $rootpw = getsysrootpw();
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println( $callback, "Your virtual machine is ready. It may take a few minutes before you can logon using VNC ($node:1). Below is your VM attributes." );
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println( $callback, "$out" );
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println( $callback, " rootpw = $rootpw" );
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}
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sub getsysrootpw {
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# Get the default root password for all xCAT provisioned VM
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my ( $callback ) = @_;
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my $tab = xCAT::Table->new('passwd');
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my $hash = $tab->getAttribs( { key => "system" }, 'password' );
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my $passwd = $hash->{'password'};
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return $passwd;
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}
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sub getosimagedef {
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# Get osimage definitions based on image name
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my ( $callback, $img_name ) = @_;
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my $profile;
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my $arch;
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my $os;
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# Get profile, osarch, and osver in 'osimage' table based on imagename
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my $tab = xCAT::Table->new( 'osimage', -create => 1, -autocommit => 0 );
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my @results = $tab->getAllAttribsWhere( "imagename='" . $img_name . "'",
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'profile', 'osarch', 'osvers' );
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foreach (@results) {
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# It should return: |gpok(\d+)|10.1.100.($1+0)|
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$profile = $_->{'profile'};
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$arch = $_->{'osarch'};
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$os = $_->{'osvers'};
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}
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return ( $profile, $arch, $os );
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}
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sub gennodename {
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# Generate node name based on given group
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my ( $callback, $group ) = @_;
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# Only use the 1st group
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if ($group =~ m/,/) {
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my @groups = split(',', $group);
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$group = @groups[0];
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}
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# Hostname and IP address regular expressions
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my $hostname_regex;
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my $ipaddr_regex;
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my @comments;
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my $base_digit = 0;
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my $base_hostname;
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my $base_ipaddr;
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# Network, submask, submask prefix, and host ranges
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my $network = "";
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my $mask;
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my $prefix;
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my $hosts_count;
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my $range_low = 1;
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my $range_high = 254;
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# Hostname and IP address generated
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my $hostname;
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my $ipaddr;
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my $tmp;
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my @args;
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# Get regular expression for hostname in 'hosts' table
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my $tab = xCAT::Table->new( 'hosts', -create => 1, -autocommit => 0 );
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my @results = $tab->getAllAttribsWhere( "node='" . $group . "'", 'ip', 'comments' );
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foreach (@results) {
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# It should return: |gpok(\d+)|10.1.100.($1+0)|
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@args = split( /\|/, $_->{'ip'} );
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$hostname_regex = $args[1];
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$ipaddr_regex = $args[2];
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$base_hostname = $args[1];
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$base_hostname =~ s/\(\S*\)/#/g;
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# Get the 10.1.100.
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$base_ipaddr = $args[2];
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$base_ipaddr =~ s/\(\S*\)//g;
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# Get the ($1+0)
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$ipaddr_regex =~ s/$base_ipaddr//g;
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# Get the network within comments
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# It should return: "description: All machines; network: 10.1.100.0/24;"
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# This will help determine the 1st node in the group if none exists
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@comments = split( /|/, $_->{'comments'} );
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foreach (@comments) {
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if ($_ =~ m/network:/i) {
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$network = $_;
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# Remove network header
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$network =~ s/network://g;
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# Trim network section
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$network =~ s/\s*$//;
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$network =~ s/^\s*//;
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# Extract network
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$tmp = rindex($network, '/');
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if ($tmp > -1) {
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# Get submask prefix
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$prefix = substr($network, $tmp);
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$prefix =~ s|/||g;
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# Get the number of hosts possible using submask
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$hosts_count = 32 - int($prefix);
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# Minus network and broadcast addresses
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$hosts_count = 2 ** $hosts_count - 2;
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# Get network
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$network = substr($network, 0, $tmp);
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}
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# Extract base digit, which depends on the netmask used
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$base_digit = substr($network, rindex($network, '.') + 1);
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# 1st number in range is network
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$range_low = $base_digit + 1;
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# Get hosts range
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if ($tmp > -1) {
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$range_high = $base_digit + $hosts_count;
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}
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}
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} # End of foreach
|
|
} # End of foreach
|
|
|
|
# Generate hostname
|
|
$hostname = $base_hostname;
|
|
$hostname =~ s/#/$base_digit/g;
|
|
|
|
# Generate IP address
|
|
$ipaddr = $hostname;
|
|
$ipaddr =~ s/$hostname_regex/$ipaddr_regex/gee;
|
|
$ipaddr = $base_ipaddr . $ipaddr;
|
|
|
|
# Get networks in 'networks' table
|
|
$tab = xCAT::Table->new( 'networks', -create => 1, -autocommit => 0 );
|
|
my $entries = $tab->getAllEntries();
|
|
|
|
# Go through each network
|
|
my $iprange;
|
|
foreach (@$entries) {
|
|
|
|
# Get network, mask, and range
|
|
$network = $_->{'net'};
|
|
$mask = $_->{'mask'};
|
|
$iprange = $_->{'dynamicrange'};
|
|
|
|
# If the host IP address is in this subnet, return
|
|
if (xCAT::NetworkUtils->ishostinsubnet($ipaddr, $mask, $network)) {
|
|
|
|
# Exit loop
|
|
last;
|
|
} else {
|
|
$network = "";
|
|
}
|
|
}
|
|
|
|
# Exit if no network exist for group
|
|
if (!$network) {
|
|
return;
|
|
}
|
|
|
|
# Find the network range for this group based on networks table
|
|
my @ranges;
|
|
if ($iprange) {
|
|
@args = split( /;/, $iprange );
|
|
foreach (@args) {
|
|
# If a network range exists
|
|
if ($_ =~ m/-/) {
|
|
@ranges = split( /-/, $_ );
|
|
$range_low = $ranges[0];
|
|
$range_high = $ranges[1];
|
|
|
|
# Get the low and high ends digit
|
|
$range_low =~ s/$base_ipaddr//g;
|
|
$range_high =~ s/$base_ipaddr//g;
|
|
}
|
|
}
|
|
} # End of if ($iprange)
|
|
|
|
# If no nodes exist in group
|
|
# Set the base digit to the low end of the network range
|
|
if ($range_low && $base_digit == 1) {
|
|
$base_digit = $range_low;
|
|
|
|
# Generate hostname
|
|
$hostname = $base_hostname;
|
|
$hostname =~ s/#/$base_digit/g;
|
|
|
|
# Generate IP address
|
|
$ipaddr = $hostname;
|
|
$ipaddr =~ s/$hostname_regex/$ipaddr_regex/gee;
|
|
$ipaddr = $base_ipaddr . $ipaddr;
|
|
}
|
|
|
|
# Check xCAT tables, /etc/hosts, and ping to see if hostname is already used
|
|
while (`nodels $hostname` || `cat /etc/hosts | grep "$ipaddr "` || !(`ping -c 4 $ipaddr` =~ m/100% packet loss/)) {
|
|
# Base digit invalid if over 254
|
|
if ($base_digit > $range_high) {
|
|
last;
|
|
}
|
|
|
|
# +1 to base digit to obtain next hostname
|
|
$base_digit = $base_digit + 1;
|
|
|
|
$hostname = $base_hostname;
|
|
$hostname =~ s/#/$base_digit/g;
|
|
|
|
$ipaddr = $hostname;
|
|
$ipaddr =~ s/$hostname_regex/$ipaddr_regex/gee;
|
|
$ipaddr = $base_ipaddr . $ipaddr;
|
|
}
|
|
|
|
# Range must be within network range
|
|
if ($base_digit > $range_high) {
|
|
return;
|
|
} else {
|
|
return ($hostname, $ipaddr, $base_digit);
|
|
}
|
|
}
|
|
|
|
sub clonezlinux {
|
|
my ( $request, $callback, $sub_req ) = @_;
|
|
|
|
# webportal clonezlinux [src node] [group] [owner]
|
|
my $src_node = $request->{arg}->[1];
|
|
my $group = $request->{arg}->[2];
|
|
my $owner = $request->{arg}->[3];
|
|
|
|
# Check the max # of virtual machines allowed
|
|
my $out = `tabdump nodetype -w nodetype.comments=~"owner:$owner"`;
|
|
my @tmp = split( /\n/, $out );
|
|
my $usrVM = scalar(@tmp) - 1;
|
|
|
|
$out = `webportal getmaxvm $owner`;
|
|
$out =~ s/Max allowed: //g;
|
|
my $maxVM = int($out);
|
|
|
|
# Do not continue if the max # is reached
|
|
if ($usrVM >= $maxVM) {
|
|
println( $callback, "You have reached the maximum number of virtual machines allowed ($maxVM). Delete unused virtual machines or contact your system administrator request more virtual machines.");
|
|
return;
|
|
}
|
|
|
|
# Get source node's HCP
|
|
my $props = xCAT::zvmUtils->getNodeProps( 'zvm', $src_node, ('hcp') );
|
|
my $hcp = $props->{'hcp'};
|
|
|
|
# Get source node's nodetype
|
|
$props = xCAT::zvmUtils->getNodeProps( 'nodetype', $src_node, ('os', 'arch', 'profile') );
|
|
my $os = $props->{'os'};
|
|
my $arch = $props->{'arch'};
|
|
my $profile = $props->{'profile'};
|
|
|
|
# Read in default disk pool from /var/opt/xcat/profiles/default.conf on xCAT MN
|
|
# pool = POOL3
|
|
# eckd_size = 10016
|
|
my $disk_pool;
|
|
my $default_conf = '/var/opt/xcat/profiles/default.conf';
|
|
my $default_direct = '/var/opt/xcat/profiles/default.direct';
|
|
|
|
# Exit if default.conf does not exist
|
|
if ( !(`test -e $default_conf && echo Exists`) ) {
|
|
println( $callback, '(Error) $default_conf does not exists' );
|
|
return;
|
|
}
|
|
|
|
# Exit if default.direct does not exist
|
|
if ( !(`test -e $default_direct && echo Exists`) ) {
|
|
println( $callback, '(Error) $default_direct does not exists' );
|
|
return;
|
|
}
|
|
|
|
$out = `cat $default_conf`;
|
|
@tmp = split( /\n/, $out );
|
|
# default.conf should contain:
|
|
|
|
# Default configuration for virtual machines handled by this zHCP
|
|
# default_diskpool=POOL3
|
|
# compute_diskpool=POOL3
|
|
my $profile_diskpool_parm = '';
|
|
if ($profile) {
|
|
$profile_diskpool_parm = $profile . "_diskpool";
|
|
}
|
|
|
|
foreach (@tmp) {
|
|
# Get disk pool (default)
|
|
if ( $_ =~ m/default_diskpool=/i ) {
|
|
$disk_pool = $_;
|
|
$disk_pool =~ s/default_diskpool=//g;
|
|
}
|
|
|
|
# Get profile disk pool (default)
|
|
elsif ( $_ =~ m/$profile_diskpool_parm=/i && $profile_diskpool_parm) {
|
|
$disk_pool = $_;
|
|
$disk_pool =~ s/$profile_diskpool_parm=//g;
|
|
}
|
|
}
|
|
|
|
# Trim disk pool of white space
|
|
$disk_pool =~ s/\s*$//; # Trim right
|
|
$disk_pool =~ s/^\s*//; # Trim left
|
|
|
|
# Create VM
|
|
# e.g. webportal provzlinux [group] [hcp] [image]
|
|
# my ($node, $ip, $base_digit) = gennodename( $callback, $group );
|
|
my ($node, $ip, $hostname) = findfreenode( $callback, $group );
|
|
if (!$node) {
|
|
println( $callback, "Unable to find a free node, IP, and hostname for $group from the IP pool" );
|
|
return;
|
|
}
|
|
|
|
my $userid = $node;
|
|
|
|
# Set node definitions
|
|
$out = `mkdef -t node -o $node userid=$userid hcp=$hcp mgt=zvm groups=$group`;
|
|
println( $callback, "$out" );
|
|
|
|
# Set nodetype definitions
|
|
$out = `chtab node=$node hosts.ip=$ip hosts.hostnames=$hostname noderes.netboot=zvm nodetype.nodetype=osi nodetype.provmethod=install nodetype.os=$os nodetype.arch=$arch nodetype.profile=$profile nodetype.comments="owner:$owner"`;
|
|
|
|
# Update hosts table and DNS
|
|
sleep(5); # Time needed to update /etc/hosts
|
|
`makehosts`;
|
|
`makedns`;
|
|
|
|
# Update DHCP
|
|
`makedhcp -a`;
|
|
println( $callback, "hosts table, DHCP, and DNS updated" );
|
|
|
|
# Clone virtual machine
|
|
sleep(5); # Time needed to update /etc/hosts
|
|
$out = `mkvm $node $src_node pool=$disk_pool`;
|
|
println( $callback, "$out" );
|
|
if ( $out =~ m/Error/i || $out =~ m/Failed/i ) {
|
|
return;
|
|
}
|
|
|
|
# Configure Ganglia monitoring
|
|
$out = `moncfg gangliamon $node -r`;
|
|
|
|
# Show node information, e.g. IP, hostname, and root password
|
|
$out = `lsdef $node | egrep "ip=|hostnames="`;
|
|
my $rootpw = getsysrootpw();
|
|
println( $callback, "Your virtual machine is ready. It may take a few minutes before you can logon. Below is your VM attributes." );
|
|
println( $callback, "$out" );
|
|
println( $callback, " rootpw = Same as source node" );
|
|
}
|
|
|
|
sub genhostip {
|
|
my ( $request, $callback, $sub_req ) = @_;
|
|
my $group = $request->{arg}->[1];
|
|
|
|
# my ($node, $ip, $base_digit) = gennodename( $callback, $group );
|
|
my ($node, $ip, $hostname) = findfreenode( $callback, $group );
|
|
println( $callback, "$node: $ip, $hostname" );
|
|
}
|
|
|
|
sub getmaxvm {
|
|
my ( $request, $callback, $sub_req ) = @_;
|
|
my $user = $request->{arg}->[1];
|
|
|
|
my @args;
|
|
my $max;
|
|
|
|
# Look in 'policy' table
|
|
my $tab = xCAT::Table->new( 'policy', -create => 1, -autocommit => 0 );
|
|
my @results = $tab->getAllAttribsWhere( "name='" . $user . "'", 'comments' );
|
|
foreach (@results) {
|
|
if ( $_->{'comments'} ) {
|
|
@args = split( ';', $_->{'comments'} );
|
|
|
|
# Extract max VM
|
|
foreach (@args) {
|
|
if ($_ =~ m/max-vm:/i) {
|
|
$_ =~ s/max-vm://g;
|
|
$max = $_;
|
|
last;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
$callback->( { data => "Max allowed: $max" } );
|
|
}
|
|
|
|
sub getuserprivilege {
|
|
# Get the user privilege
|
|
my ( $request, $callback, $sub_req ) = @_;
|
|
my $user = $request->{arg}->[1];
|
|
if (!$user) {
|
|
$callback->( { data => "(Error) No user name is specified" } );
|
|
return;
|
|
}
|
|
|
|
my @args;
|
|
my $privilege = "user";
|
|
|
|
# Look in 'policy' table
|
|
my $tab = xCAT::Table->new( 'policy', -create => 1, -autocommit => 0 );
|
|
my @results = $tab->getAllAttribsWhere( "name='" . $user . "'", 'comments' );
|
|
foreach (@results) {
|
|
if ( $_->{'comments'} ) {
|
|
@args = split( ';', $_->{'comments'} );
|
|
|
|
# Extract user privilege
|
|
foreach (@args) {
|
|
if ($_ =~ m/privilege:/i) {
|
|
$_ =~ s/privilege://g;
|
|
$privilege = $_;
|
|
$privilege =~ s/\s*$//; # Trim right
|
|
$privilege =~ s/^\s*//; # Trim left
|
|
last;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
$callback->( { data => "Privilege: $privilege" } );
|
|
}
|
|
|
|
sub lsgoldenimages {
|
|
my ( $request, $callback, $sub_req ) = @_;
|
|
|
|
# Find the golden image that can be cloned by searching nodetype table for nodetype.provmethod=clone
|
|
my $clones = "";
|
|
my $comments = "";
|
|
my $description = "";
|
|
my @args;
|
|
|
|
# Look in 'policy' table
|
|
my $tab = xCAT::Table->new( 'nodetype', -create => 1, -autocommit => 0 );
|
|
my @results = $tab->getAllAttribsWhere( "provmethod='clone'", 'node', 'comments' );
|
|
foreach (@results) {
|
|
if ($_->{'node'}) {
|
|
$clones .= $_->{'node'} . ": ";
|
|
|
|
$comments = $_->{'comments'};
|
|
@args = split(';', $comments);
|
|
foreach (@args) {
|
|
if ($_ =~ m/description:/i) {
|
|
$description = $_;
|
|
$description =~ s/description://g;
|
|
$description =~ s/\s*$//; # Trim right
|
|
$description =~ s/^\s*//; # Trim left
|
|
} else {
|
|
$description = "No comments";
|
|
}
|
|
}
|
|
|
|
$clones .= $description . ",";
|
|
}
|
|
}
|
|
|
|
# Delete last comma
|
|
$clones = substr($clones, 0, -1);
|
|
|
|
$callback->( { data => $clones } );
|
|
}
|
|
|
|
sub findfreenode {
|
|
# Generate node name based on given group
|
|
my ( $callback, $group ) = @_;
|
|
|
|
# IP pool contained in /var/opt/xcat/ippool where a file exists per group
|
|
if ( !(`test -e /var/opt/xcat/ippool/$group.pool && echo Exists`) ) {
|
|
return;
|
|
}
|
|
|
|
# IP pool group format: node, IP, hostname
|
|
# It would look similar to:
|
|
# ihost10,10.1.136.10,ihost10.endicott.ibm.com
|
|
# ihost11,10.1.136.11,ihost11.endicott.ibm.com
|
|
# ihost12,10.1.136.12,ihost12.endicott.ibm.com
|
|
my $node;
|
|
my $ipaddr;
|
|
my $hostname;
|
|
|
|
my $out = `cat /var/opt/xcat/ippool/$group.pool | grep -v "#"`;
|
|
my @entries = split( /\n/, $out );
|
|
if (@entries < 1) {
|
|
return;
|
|
}
|
|
|
|
my $found = 0;
|
|
foreach(@entries) {
|
|
# Grab the 1st free entry found
|
|
($node, $ipaddr, $hostname) = split(/,/, $_);
|
|
if ($node && $ipaddr && $hostname) {
|
|
|
|
# Check against xCAT tables, /etc/hosts, and ping to see if hostname is already used
|
|
if (`nodels $node` || `cat /etc/hosts | grep "$ipaddr "` || !(`ping -c 4 $ipaddr` =~ m/100% packet loss/)) {
|
|
next;
|
|
} else {
|
|
$found = 1;
|
|
return ($node, $ipaddr, $hostname);
|
|
}
|
|
}
|
|
}
|
|
|
|
return;
|
|
}
|
|
1; |