#!/usr/bin/env perl # IBM(c) 2007 EPL license http://www.eclipse.org/legal/epl-v10.html package xCAT::ServiceNodeUtils; BEGIN { $::XCATROOT = $ENV{'XCATROOT'} ? $ENV{'XCATROOT'} : '/opt/xcat'; } # if AIX - make sure we include perl 5.8.2 in INC path. # Needed to find perl dependencies shipped in deps tarball. if ($^O =~ /^aix/i) { use lib "/usr/opt/perl5/lib/5.8.2/aix-thread-multi"; use lib "/usr/opt/perl5/lib/5.8.2"; use lib "/usr/opt/perl5/lib/site_perl/5.8.2/aix-thread-multi"; use lib "/usr/opt/perl5/lib/site_perl/5.8.2"; } use lib "$::XCATROOT/lib/perl"; use strict; #----------------------------------------------------------------------------- =head3 readSNInfo Read resource, NFS server, Master node, OS an ARCH from the database for the service node Input: service nodename Output: Masternode, OS and ARCH Example: my $retdata = xCAT::ServiceNodeUtils->readSNInfo; =cut #----------------------------------------------------------------------------- sub readSNInfo { my ($class, $nodename) = @_; my $rc = 0; my $et; my $masternode; my $os; my $arch; $rc = xCAT::Utils->exportDBConfig(); if ($rc == 0) { if ($nodename) { $masternode = xCAT::TableUtils->GetMasterNodeName($nodename); if (!($masternode)) { xCAT::MsgUtils->message('S', "Could not get Master for node $nodename\n"); return 1; } $et = xCAT::TableUtils->GetNodeOSARCH($nodename); if ($et == 1) { xCAT::MsgUtils->message('S', "Could not get OS/ARCH for node $nodename\n"); return 1; } if (!($et->{'os'} || $et->{'arch'})) { xCAT::MsgUtils->message('S', "Could not get OS/ARCH for node $nodename\n"); return 1; } } $et->{'master'} = $masternode; return $et; } return $rc; } #----------------------------------------------------------------------------- =head3 isServiceReq Checks the service node table in the database to see if input Service should be setup on the input service node or Management Node (used by AAsn.pm) Input:servicenodename,ipaddres(s) and hostnames of service node Output: hash of services to setup for this service node Globals: $::RUNCMD_RC = 0; good $::RUNCMD_RC = 1; error Error: none Example: $servicestosetup=xCAT::ServiceNodeUtils->isServiceReq($servicenodename, @serviceip) { blah; } =cut #----------------------------------------------------------------------------- sub isServiceReq { require xCAT::Table; my ($class, $servicenodename, $serviceip) = @_; # list of all services from service node table # note this must be updated if more services added my @services = ( "nameserver", "dhcpserver", "tftpserver", "nfsserver", "conserver", "monserver", "ldapserver", "ntpserver", "ftpserver", "ipforward" ); my @ips = @$serviceip; # list of service node ip addresses and names my $rc = 0; $rc = xCAT::Utils->exportDBConfig(); # export DB env if ($rc != 0) { xCAT::MsgUtils->message('S', "Unable export DB environment.\n"); $::RUNCMD_RC = 1; return; } # get handle to servicenode table my $servicenodetab = xCAT::Table->new('servicenode'); unless ($servicenodetab) { xCAT::MsgUtils->message('S', "Unable to open servicenode table.\n"); $::RUNCMD_RC = 1; return; # do not setup anything } # Are we on the MN my $mname; if (xCAT::Utils->isMN()) { my @nodeinfo = xCAT::NetworkUtils->determinehostname; $mname = pop @nodeinfo; # get hostname } my $servicehash; # read all the nodes from the table, for each service foreach my $service (@services) { my @snodelist = $servicenodetab->getAllNodeAttribs([$service]); foreach $serviceip (@ips) # check the table for this servicenode { foreach my $node (@snodelist) { if ($serviceip eq $node->{'node'}) { # match table entry if ($node->{$service}) { # returns service, only if set my $value = $node->{$service}; $value =~ tr/a-z/A-Z/; # convert to upper # value 1 or yes then we setup the service if (($value eq "1") || ($value eq "YES")) { $servicehash->{$service} = "1"; } else { $servicehash->{$service} = "0"; } } last; } } } } # if the ftpserver attribute is not defined in the service node table # and we are on # the Linux management node, we need to look at site.vsftp # if the tftpserver attribute is not defined, then we default it 1 if (($mname) && (xCAT::Utils->isLinux())) { if (!exists($servicehash->{'ftpserver'})) { my @tmp = xCAT::TableUtils->get_site_attribute("vsftp"); if ($tmp[0] && ($tmp[0] !~ /0|NO|No|no|N|n/ )) { $servicehash->{'ftpserver'} = 1; } } if (!exists($servicehash->{'tftpserver'})) { $servicehash->{'tftpserver'} = 1; } } $servicenodetab->close; $::RUNCMD_RC = 0; return $servicehash; } #----------------------------------------------------------------------------- =head3 getAllSN Returns an array of all service nodes from service node table Arguments: ALL" - will also return the management node in the array, if if has been defined in the servicenode table Returns: array of Service Nodes or empty array, if none Globals: none Error: 1 - error Example: @SN=xCAT::ServiceNodeUtils->getAllSN @allSN=xCAT::ServiceNodeUtils->getAllSN("ALL") Comments: none =cut #----------------------------------------------------------------------------- sub getAllSN { my ($class, $options) = @_; require xCAT::Table; # reads all nodes from the service node table my @servicenodes; my $servicenodetab = xCAT::Table->new('servicenode'); unless ($servicenodetab) # no servicenode table { xCAT::MsgUtils->message('I', "Unable to open servicenode table.\n"); $servicenodetab->close; return @servicenodes; } my @nodes = $servicenodetab->getAllNodeAttribs(['tftpserver']); foreach my $nodes (@nodes) { push @servicenodes, $nodes->{node}; } # if did not input "ALL" and there is a MN, remove it my @newservicenodes; if ((!defined($options)) || ($options ne "ALL")) { my @mname = xCAT::Utils->noderangecontainsMn(@servicenodes); if (@mname) { # if there is a MN foreach my $node (@servicenodes) { # check to see if node in MN list if (!(grep(/^$node$/, @mname))) { # if node not in the MN array push @newservicenodes, $node; } } $servicenodetab->close; return @newservicenodes; # return without the MN in the array } } $servicenodetab->close; return @servicenodes; } #----------------------------------------------------------------------------- =head3 getSNandNodes Returns an hash-array of all service nodes and the nodes they service Arguments: none #----------------------------------------------------------------------------- =head3 getSNandNodes Returns an hash-array of all service nodes and the nodes they service Arguments: none Returns: Service Nodes and the nodes they service or empty , if none Globals: none Error: 1 - error Example: $sn=xCAT::ServiceNodeUtils->getSNandNodes() Comments: none =cut #----------------------------------------------------------------------------- sub getSNandNodes { require xCAT::Table; # read all the nodes from the nodelist table # call get_ServiceNode to find which Service Node # the node belongs to. my %sn; my @nodes; my $nodelisttab = xCAT::Table->new('nodelist'); my $recs = $nodelisttab->getAllEntries(); foreach (@$recs) { push @nodes, $_->{node}; } $nodelisttab->close; my $sn = xCAT::ServiceNodeUtils->get_ServiceNode(\@nodes, "xcat", "MN"); return $sn; } #----------------------------------------------------------------------------- =head3 getSNList Reads the servicenode table. Will return all the enabled Service Nodes that will setup the input Service ( e.g tftpserver,nameserver,etc) If service is blank, then will return the list of all enabled Service Nodes. Arguments: Servicename ( xcat,tftpserver,dhcpserver,conserver,etc) If no servicename, returns all Servicenodes "ALL" argument means you also want the MN returned. It can be in the servicenode list. If no "ALL", take out the MN if it is there. Returns: Array of service node names Globals: none Error: 1 - error Example: $sn= xCAT::ServiceNodeUtils->getSNList($servicename) { blah; } $sn= xCAT::ServiceNodeUtils->getSNList($servicename,"ALL") { blah; } $sn= xCAT::ServiceNodeUtils->getSNList() { blah; } $sn= xCAT::ServiceNodeUtils->getSNList("","ALL") { blah; } Comments: none =cut #----------------------------------------------------------------------------- sub getSNList { require xCAT::Table; my ($class, $service,$options) = @_; # reads all nodes from the service node table my @servicenodes; my $servicenodetab = xCAT::Table->new('servicenode', -create => 1); unless ($servicenodetab) # no servicenode table { xCAT::MsgUtils->message('I', "Unable to open servicenode table.\n"); return (); } my @nodes = $servicenodetab->getAllNodeAttribs([$service]); $servicenodetab->close; foreach my $node (@nodes) { if ($service eq "") # want all the service nodes { push @servicenodes, $node->{node}; } else { # looking for a particular service if ($node->{$service}) { # if null then do not add node my $value = $node->{$service}; $value =~ tr/a-z/A-Z/; # convert to upper # value 1 or yes or blank then we setup the service if (($value == 1) || ($value eq "YES")) { push @servicenodes, $node->{node}; } } } } # if did not input "ALL" and there is a MN, remove it my @newservicenodes; if ((!defined($options)) || ($options ne "ALL")) { my $mname = xCAT::Utils->noderangecontainsMn(@servicenodes); if ($mname) { # if there is a MN foreach my $nodes (@servicenodes) { if ($mname ne ($nodes)){ push @newservicenodes, $nodes; } } return @newservicenodes; # return without the MN in the array } } return @servicenodes; } #----------------------------------------------------------------------------- =head3 get_ServiceNode Will get the Service node ( name or ipaddress) as known by the Management Node or Node for the input nodename or ipadress of the node which can be a Service Node. If the input node is a Service Node then it's Service node is always the Management Node. input: list of nodenames and/or node ipaddresses (array ref) service name "MN" or "Node" determines if you want the Service node as known by the Management Node or by the node. recognized service names: xcat,tftpserver, nfsserver,conserver,monserver service "xcat" is used by command like xdsh that need to know the service node that will process the command but are not tied to a specific service like tftp Todo: Handle dhcpserver and nameserver from the networks table output: A hash ref of arrays, the key is the service node pointing to an array of nodes that are serviced by that service node Globals: $::ERROR_RC Error: $::ERROR_RC=0 no error $::ERROR_RC=1 error example: $sn =xCAT::ServiceNodeUtils->get_ServiceNode(\@nodes,$service,"MN"); $sn =xCAT::ServiceNodeUtils->get_ServiceNode(\@nodes,$service,"Node"); Note: this rountine is important to hierarchical support in xCAT and used in many places. Any changes to the logic should be reviewed by xCAT architecture =cut #----------------------------------------------------------------------------- sub get_ServiceNode { require xCAT::Table; my ($class, $node, $service, $request) = @_; my @node_list = @$node; my $cmd; my %snhash; my $nodehash; my $sn; my $nodehmtab; my $noderestab; my $snattribute; my $oshash; my $nodetab; $::ERROR_RC = 0; # determine if the request is for the service node as known by the MN # or the node if ($request eq "MN") { $snattribute = "servicenode"; } else # Node { $snattribute = "xcatmaster"; } # get site.master this will be the default my $master = xCAT::TableUtils->get_site_Master(); $noderestab = xCAT::Table->new('noderes'); unless ($noderestab) # no noderes table, use default site.master { xCAT::MsgUtils->message('I', "Unable to open noderes table. Using site->Master.\n"); if ($master) # use site Master value { foreach my $node (@node_list) { push @{$snhash{$master}}, $node; } } else { xCAT::MsgUtils->message('E', "Unable to read site Master value.\n"); $::ERROR_RC = 1; } return \%snhash; } if ($service eq "xcat") { # find all service nodes for the nodes in the list $nodehash = $noderestab->getNodesAttribs(\@node_list, [$snattribute]); foreach my $node (@node_list) { foreach my $rec (@{$nodehash->{$node}}) { if ($rec and $rec->{$snattribute}) # use noderes.servicenode { my $key = $rec->{$snattribute}; push @{$snhash{$key}}, $node; } else # use site.master { push @{$snhash{$master}}, $node; } } } $noderestab->close; return \%snhash; } else { if ( ($service eq "tftpserver") # all from noderes table || ($service eq "nfsserver") || ($service eq "monserver") ) { $nodehash = $noderestab->getNodesAttribs(\@node_list, [$service, $snattribute]); foreach my $node (@node_list) { foreach my $rec (@{$nodehash->{$node}}) { if ($rec and $rec->{$service}) { # see if both MN and Node address in attribute my ($msattr, $nodeattr) = split ':', $rec->{$service}; my $key = $msattr; if ($request eq "Node") { if ($nodeattr) # override with Node, if it exists { $key = $nodeattr; } } push @{$snhash{$key}}, $node; } else { if ($rec and $rec->{$snattribute}) # if it exists { my $key = $rec->{$snattribute}; push @{$snhash{$key}}, $node; } else { # use site.master push @{$snhash{$master}}, $node; } } } } $noderestab->close; return \%snhash; } else { if ($service eq "conserver") { # read the nodehm table $nodehmtab = xCAT::Table->new('nodehm'); unless ($nodehmtab) # no nodehm table { xCAT::MsgUtils->message('I', "Unable to open nodehm table.\n"); # use servicenode $nodehash = $noderestab->getNodesAttribs(\@node_list, [$snattribute]); foreach my $node (@node_list) { foreach my $rec (@{$nodehash->{$node}}) { if ($rec and $rec->{$snattribute}) { my $key = $rec->{$snattribute}; push @{$snhash{$key}}, $node; } else { # use site.master push @{$snhash{$master}}, $node; } } } $noderestab->close; return \%snhash; } # can read the nodehm table $nodehash = $nodehmtab->getNodesAttribs(\@node_list, ['conserver']); foreach my $node (@node_list) { foreach my $rec (@{$nodehash->{$node}}) { if ($rec and $rec->{'conserver'}) { # see if both MN and Node address in attribute my ($msattr, $nodeattr) = split ':', $rec->{'conserver'}; my $key = $msattr; if ($request eq "Node") { if ($nodeattr ) # override with Node, if it exists { $key = $nodeattr; } } push @{$snhash{$key}}, $node; } else { # use service node for this node $sn = $noderestab->getNodeAttribs($node, [$snattribute]); if ($sn and $sn->{$snattribute}) { my $key = $sn->{$snattribute}; push @{$snhash{$key}}, $node; } else { # no service node use master push @{$snhash{$master}}, $node; } } } } $noderestab->close; $nodehmtab->close; return \%snhash; } else { xCAT::MsgUtils->message('E', "Invalid service=$service input.\n"); $::ERROR_RC = 1; } } } return \%snhash; } #----------------------------------------------------------------------------- =head3 getSNformattedhash Will call get_ServiceNode to get the Service node ( name or ipaddress) as known by the Management Server or Node for the input nodename or ipadress of the node It will then format the output into a single servicenode key with values the list of nodes service by that service node. This routine will break up pools of service nodes into individual node in the hash unlike get_ServiceNode which leaves the pool as the key. input: Same as get_ServiceNode to call get_ServiceNode list of nodenames and/or node ipaddresses (array ref) service name "MN" or "Node" determines if you want the Service node as known by the Management Node or by the node. recognized service names: xcat,tftpserver, nfsserver,conserver,monserver service "xcat" is used by command like xdsh that need to know the service node that will process the command but are not tied to a specific service like tftp output: A hash ref of arrays, the key is a single service node pointing to a list of nodes that are serviced by that service node 'rra000-m'=>['blade01', 'testnode'] 'sn1'=>['blade01', 'testnode'] 'sn2'=>['blade01'] 'sn3'=>['testnode'] Globals: $::ERROR_RC Error: $::ERROR_RC=0 no error $::ERROR_RC=1 error example: $sn =xCAT::ServiceNodeUtils->getSNformattedhash(\@nodes,$service,"MN", $type); $sn =xCAT::ServiceNodeUtils->getSNformattedhash(\@nodes,$service,"Node", "primary"); =cut #----------------------------------------------------------------------------- sub getSNformattedhash { my ($class, $node, $service, $request, $btype) = @_; my @node_list = @$node; my $cmd; my %newsnhash; my $type=""; if ($btype) { $type=$btype; } # get the values of either the servicenode or xcatmaster attributes my $sn = xCAT::ServiceNodeUtils->get_ServiceNode(\@node_list, $service, $request); # get the keys which are the service nodes and break apart any pool lists # format into individual service node keys pointing to node lists if ($sn) { foreach my $snkey (keys %$sn) { # split the key if pool of service nodes push my @tmpnodes, $sn->{$snkey}; my @nodes; for my $i (0 .. $#tmpnodes) { for my $j ( 0 .. $#{$tmpnodes[$i]}) { my $check=$tmpnodes[$i][$j]; push @nodes,$check; } } # for SN backup we might only want the primary or backup my @servicenodes; my ($primary, $backup) = split /,/, $snkey; if (($primary) && ($type eq "primary")) { push @servicenodes, $primary; } elsif (($backup) && ($type eq "backup")) { push @servicenodes, $backup; } else { @servicenodes = split /,/, $snkey; } # now build new hash of individual service nodes foreach my $newsnkey (@servicenodes) { push @{$newsnhash{$newsnkey}}, @nodes; } } } return \%newsnhash; } #---------------------------------------------------------------------------- =head3 getAIXSNinterfaces Get a list of ip addresses for each service node in a list Arguments: list of service nodes Returns: hash of ips for each service node Globals: none Error: none Example: my $sni = xCAT::ServiceNodeUtils->getAIXSNinterfaces(\@servlist, $callback, $subreq); Comments: =cut #----------------------------------------------------------------------------- sub getAIXSNinterfaces { my ($class, $list, $callback, $sub_req) = @_; my @snlist = @$list; my %SNinterfaces; # get all the possible IPs for the node I'm running on my $ifcmd = "/usr/sbin/ifconfig -a | grep 'inet ' "; foreach my $sn (@snlist) { my $SNIP; my $out = xCAT::InstUtils->xcmd($callback, $sub_req, "xdsh", $sn, $ifcmd, 0); if ($::RUNCMD_RC != 0) { my $rsp; push @{$rsp->{data}}, "Could not get IP addresses from service node $sn.\n"; xCAT::MsgUtils->message("E", $rsp, $callback); next; } my @result; foreach my $line ( split(/\n/, $out)) { $line =~ s/$sn:\s+//; push(@result, $line); } foreach my $int (@result) { my ($inet, $SNIP, $str) = split(" ", $int); chomp $SNIP; $SNIP =~ s/\/.*//; # ipv6 address 4000::99/64 $SNIP =~ s/\%.*//; # ipv6 address ::1%1/128 push(@{$SNinterfaces{$sn}}, $SNIP); } } # end foreach SN return \%SNinterfaces; } #----------------------------------------------------------------------------- =head3 getSNandCPnodes - Take an array of nodes and returns an array of the service nodes and an array of the computenode . Arguments: none Returns: array of Service Nodes and/or array of compute nodesarray of compute nodes empty array, if none Globals: none Error: 1 - error Example: xCAT::ServiceNodeUtils->getSNandCPnodes(\@nodes,\@SN,\@CN); Comments: none =cut #----------------------------------------------------------------------------- sub getSNandCPnodes { my ($class, $nodes,$sn,$cn) = @_; my @nodelist = @$nodes; # get the list of all Service nodes my @allSN=xCAT::ServiceNodeUtils->getAllSN; foreach my $node (@nodelist) { if (grep(/^$node$/, @allSN)) { # it is a SN push (@$sn,$node); } else { # a CN push (@$cn,$node); } } return ; } 1;