xcat-core/xCAT-server/lib/xcat/plugins/tabutils.pm

1107 lines
37 KiB
Perl

# IBM(c) 2007 EPL license http://www.eclipse.org/legal/epl-v10.html
#####################################################
#
# xCAT plugin package to handle various commands that work with the
# xCAT tables
#
#####################################################
package xCAT_plugin::tabutils;
use strict;
use warnings;
use xCAT::Table;
use xCAT::Schema;
use Data::Dumper;
use xCAT::NodeRange;
use xCAT::Schema;
use xCAT::Utils;
use Getopt::Long;
1;
#some quick aliases to table/value
my %shortnames = (
groups => [qw(nodelist groups)],
tags => [qw(nodelist groups)],
mgt => [qw(nodehm mgt)],
#switch => [qw(switch switch)],
);
#####################################################
# Return list of commands handled by this plugin
#####################################################
sub handled_commands
{
return {
gettab => "tabutils",
tabdump => "tabutils",
tabrestore => "tabutils",
tabch => "tabutils", # not implemented yet
nodech => "tabutils",
nodeadd => "tabutils",
noderm => "tabutils",
tabls => "tabutils", # not implemented yet
nodels => "tabutils",
getnodecfg => "tabutils", # not implemented yet (?? this doesn't seem much different from gettab)
addattr => "tabutils", # not implemented yet
delattr => "tabutils", # not implemented yet
chtype => "tabutils", # not implemented yet
nr => "tabutils", # not implemented yet
tabgrep => "tabutils"
};
}
# Each cmd now returns its own usage inside its function
#my %usage = (
#nodech => "Usage: nodech <noderange> [table.column=value] [table.column=value] ...",
#nodeadd => "Usage: nodeadd <noderange> [table.column=value] [table.column=value] ...",
#noderm => "Usage: noderm <noderange>",
# the usage for tabdump is in the tabdump function
#tabdump => "Usage: tabdump <tablename>\n where <tablename> is one of the following:\n " . join("\n ", keys %xCAT::Schema::tabspec),
# the usage for tabrestore is in the tabrestore client cmd
#tabrestore => "Usage: tabrestore <tablename>.csv",
#);
#####################################################
# Process the command
#####################################################
sub process_request
{
#use Getopt::Long;
Getopt::Long::Configure("bundling");
#Getopt::Long::Configure("pass_through");
Getopt::Long::Configure("no_pass_through");
my $request = shift;
my $callback = shift;
my $nodes = $request->{node};
my $command = $request->{command}->[0];
my $args = $request->{arg};
#unless ($args or $nodes or $request->{data})
#{
#if ($usage{$command})
#{
#$callback->({data => [$usage{$command}]});
#return;
#}
#}
if ($command eq "nodels")
{
return nodels($nodes, $args, $callback, $request->{emptynoderange}->[0]);
}
elsif ($command eq "noderm" or $command eq "rmnode")
{
return noderm($nodes, $args, $callback);
}
elsif ($command eq "nodeadd" or $command eq "addnode")
{
return nodech($nodes, $args, $callback, 1);
}
elsif ($command eq "nodech" or $command eq "nodech")
{
return nodech($nodes, $args, $callback, 0);
}
elsif ($command eq "tabrestore")
{
return tabrestore($request, $callback);
}
elsif ($command eq "tabdump")
{
return tabdump($args, $callback);
}
elsif ($command eq "gettab")
{
return gettab($request, $callback);
}
elsif ($command eq "tabgrep")
{
return tabgrep($nodes, $callback);
}
else
{
print "$command not implemented yet\n";
return (1, "$command not written yet");
}
}
# Display particular attributes, using query strings.
sub gettab
{
my $req = shift;
my $callback = shift;
my $HELP;
my $NOTERSE;
my $gettab_usage = sub {
my $exitcode = shift @_;
my %rsp;
push @{$rsp{data}}, "Usage: gettab [-H|--with-fieldname] key=value,... table.attribute ...";
push @{$rsp{data}}, " gettab [-?|-h|--help]";
if ($exitcode) { $rsp{errorcode} = $exitcode; }
$callback->(\%rsp);
};
# Process arguments
@ARGV = @{$req->{arg}};
if (!GetOptions('h|?|help' => \$HELP,'H|with-fieldname' => \$NOTERSE)) { $gettab_usage->(1); return; }
if ($HELP) { $gettab_usage->(0); return; }
if (scalar(@ARGV)<2) { $gettab_usage->(1); return; }
# Get all the key/value pairs into a hash
my $keyspec = shift @ARGV;
my @keypairs = split /,/, $keyspec;
my %keyhash;
foreach (@keypairs)
{
(my $key, my $value) = split /=/, $_;
unless (defined $key) {
$gettab_usage->(1);
return;
}
$keyhash{$key} = $value;
}
# Group the columns asked for by table (so we can do 1 query per table)
my %tabhash;
my $terse = 2;
if ($NOTERSE) {
$terse = 0;
}
foreach my $tabvalue (@ARGV)
{
$terse--;
(my $table, my $column) = split /\./, $tabvalue;
$tabhash{$table}->{$column} = 1;
}
#Sanity check the key against all tables in question
foreach my $tabn (keys %tabhash) {
foreach my $kcheck (keys %keyhash) {
unless (grep /^$kcheck$/, @{$xCAT::Schema::tabspec{$tabn}->{cols}}) {
$callback->({error => ["Unkown key $kcheck to $tabn"],errorcode=>[1]});
return;
}
}
}
# Get the requested columns from each table
foreach my $tabn (keys %tabhash)
{
my $tab = xCAT::Table->new($tabn);
(my $ent) = $tab->getAttribs(\%keyhash, keys %{$tabhash{$tabn}});
foreach my $coln (keys %{$tabhash{$tabn}})
{
if ($terse > 0) {
$callback->({data => ["" . $ent->{$coln}]});
} else {
$callback->({data => ["$tabn.$coln: " . $ent->{$coln}]});
}
}
$tab->close;
}
}
sub noderm
{
my $nodes = shift;
my $args = shift;
my $cb = shift;
my $VERSION;
my $HELP;
my $noderm_usage = sub {
my $exitcode = shift @_;
my %rsp;
push @{$rsp{data}}, "Usage:";
push @{$rsp{data}}, " noderm noderange";
push @{$rsp{data}}, " noderm {-v|--version}";
push @{$rsp{data}}, " noderm [-?|-h|--help]";
if ($exitcode) { $rsp{errorcode} = $exitcode; }
$cb->(\%rsp);
};
if ($args) {
@ARGV = @{$args};
}
if (!GetOptions('h|?|help' => \$HELP, 'v|version' => \$VERSION) ) { $noderm_usage->(1); return; }
if ($HELP) { $noderm_usage->(0); return; }
if ($VERSION) {
my %rsp;
my $version = xCAT::Utils->Version();
$rsp{data}->[0] = "$version";
$cb->(\%rsp);
return;
}
if (!$nodes) { $noderm_usage->(1); return; }
# Build the argument list for using the -d option of nodech to do our work for us
my @tablist = ("-d");
foreach (keys %{xCAT::Schema::tabspec})
{
if (grep /^node$/, @{$xCAT::Schema::tabspec{$_}->{cols}})
{
push @tablist, $_;
}
}
nodech($nodes, \@tablist, $cb, 0);
}
sub tabrestore
{
# the usage for tabrestore is in the tabrestore client cmd
#request->{data} is an array of CSV formatted lines
my $request = shift;
my $cb = shift;
my $table = $request->{table}->[0];
my $linenumber = 1;
my $tab = xCAT::Table->new($table, -create => 1, -autocommit => 0);
unless ($tab) {
$cb->({error => "Unable to open $table",errorcode=>4});
return;
}
$tab->delEntries(); #Yes, delete *all* entries
my $header = shift @{$request->{data}};
unless ($header =~ /^#/) {
$cb->({error => "Data missing header line starting with #",errorcode=>1});
return;
}
$header =~ s/"//g; #Strip " from overzealous CSV apps
$header =~ s/^#//;
$header =~ s/\s+$//;
my @colns = split(/,/, $header);
my $line;
my $rollback = 0;
LINE: foreach $line (@{$request->{data}})
{
$linenumber++;
$line =~ s/\s+$//;
my $origline = $line; #save for error reporting
my %record;
my $col;
foreach $col (@colns)
{
if ($line =~ /^,/ or $line eq "")
{ #Match empty, or end of line that is empty
#TODO: should we detect when there weren't enough CSV fields on a line to match colums?
$record{$col} = undef;
$line =~ s/^,//;
}
elsif ($line =~ /^[^,]*"/)
{ # We have stuff in quotes... pain...
#I don't know what I'm doing, so I'll do it a hard way....
if ($line !~ /^"/)
{
$rollback = 1;
$cb->(
{
error =>
"CSV missing opening \" for record with \" characters on line $linenumber, character "
. index($origline, $line) . ": $origline", errorcode=>4
}
);
next LINE;
}
my $offset = 1;
my $nextchar;
my $ent;
while (not defined $ent)
{
$offset = index($line, '"', $offset);
$offset++;
if ($offset <= 0)
{
#MALFORMED CSV, request rollback, report an error
$rollback = 1;
$cb->(
{
error =>
"CSV unmatched \" in record on line $linenumber, character "
. index($origline, $line) . ": $origline", errorcode=>4
}
);
next LINE;
}
$nextchar = substr($line, $offset, 1);
if ($nextchar eq '"')
{
$offset++;
}
elsif ($offset eq length($line) or $nextchar eq ',')
{
$ent = substr($line, 0, $offset, '');
$line =~ s/^,//;
chop $ent;
$ent = substr($ent, 1);
$ent =~ s/""/"/g;
$record{$col} = $ent;
}
else
{
$cb->(
{
error =>
"CSV unescaped \" in record on line $linenumber, character "
. index($origline, $line) . ": $origline", errorcode=>4
}
);
$rollback = 1;
next LINE;
}
}
}
elsif ($line =~ /^([^,]+)/)
{ #easiest case, no Text::Balanced needed..
$record{$col} = $1;
$line =~ s/^([^,]+)(,|$)//;
}
}
if ($line)
{
$rollback = 1;
$cb->({error => "Too many fields on line $linenumber: $origline | $line", errorcode=>4});
next LINE;
}
#TODO: check for error from DB and rollback
my @rc = $tab->setAttribs(\%record, \%record);
if (not defined($rc[0]))
{
$rollback = 1;
$cb->({error => "DB error " . $rc[1] . " with line $linenumber: " . $origline, errorcode=>4});
}
}
if ($rollback)
{
$tab->rollback();
$tab->close;
undef $tab;
return;
}
else
{
$tab->commit; #Made it all the way here, commit
}
}
# Display a list of tables, or a specific table in CSV format
sub tabdump
{
my $args = shift;
my $cb = shift;
my $table = "";
my $HELP;
my $DESC;
my $tabdump_usage = sub {
my $exitcode = shift @_;
my %rsp;
push @{$rsp{data}}, "Usage: tabdump [-d] [table]";
push @{$rsp{data}}, " tabdump [-?|-h|--help]";
if ($exitcode) { $rsp{errorcode} = $exitcode; }
$cb->(\%rsp);
};
# Process arguments
if ($args) {
@ARGV = @{$args};
}
if (!GetOptions('h|?|help' => \$HELP, 'd' => \$DESC)) { $tabdump_usage->(1); return; }
if ($HELP) { $tabdump_usage->(0); return; }
if (scalar(@ARGV)>1) { $tabdump_usage->(1); return; }
my %rsp;
# If no arguments given, we display a list of the tables
if (!scalar(@ARGV)) {
if ($DESC) { # display the description of each table
my $tab = xCAT::Table->getDescriptions();
foreach my $key (keys %$tab) {
my $space = (length($key)<7 ? "\t\t" : "\t");
push @{$rsp{data}}, "$key:$space".$tab->{$key}."\n";
}
}
else { push @{$rsp{data}}, xCAT::Table->getTableList(); } # if no descriptions, just display the list of table names
@{$rsp{data}} = sort @{$rsp{data}};
if ($DESC && scalar(@{$rsp{data}})) { chop($rsp{data}->[scalar(@{$rsp{data}})-1]); } # remove the final newline
$cb->(\%rsp);
return;
}
$table = $ARGV[0];
if ($DESC) { # only show the attribute descriptions, not the values
my $schema = xCAT::Table->getTableSchema($table);
if (!$schema) { $cb->({error => "table $table does not exist.",errorcode=>1}); return; }
my $desc = $schema->{descriptions};
foreach my $c (@{$schema->{cols}}) {
my $space = (length($c)<7 ? "\t\t" : "\t");
push @{$rsp{data}}, "$c:$space".$desc->{$c}."\n";
}
if (scalar(@{$rsp{data}})) { chop($rsp{data}->[scalar(@{$rsp{data}})-1]); } # remove the final newline
$cb->(\%rsp);
return;
}
my $tabh = xCAT::Table->new($table);
my $tabdump_header = sub {
my $header = "#" . join(",", @_);
push @{$rsp{data}}, $header;
};
# If the table does not exist yet (because its never been written to),
# at least show the header (the column names)
unless ($tabh)
{
if (defined($xCAT::Schema::tabspec{$table}))
{
$tabdump_header->(@{$xCAT::Schema::tabspec{$table}->{cols}});
$cb->(\%rsp);
return;
}
$cb->({error => "No such table: $table",errorcode=>1});
return 1;
}
my $recs = $tabh->getAllEntries("all");
my $rec;
unless (@$recs) # table exists, but is empty. Show header.
{
if (defined($xCAT::Schema::tabspec{$table}))
{
$tabdump_header->(@{$xCAT::Schema::tabspec{$table}->{cols}});
$cb->(\%rsp);
return;
}
}
# Display all the rows of the table in the order of the columns in the schema
$tabdump_header->(@{$tabh->{colnames}});
foreach $rec (@$recs)
{
my $line = '';
foreach (@{$tabh->{colnames}})
{
if (defined $rec->{$_})
{
$rec->{$_} =~ s/"/""/g;
$line = $line . '"' . $rec->{$_} . '",';
}
else
{
$line .= ',';
}
}
$line =~ s/,$//; # remove the extra comma at the end
push @{$rsp{data}}, $line;
}
$cb->(\%rsp);
}
sub getTableColumn {
my $string = shift;
if ($shortnames{$string}) {
return @{$shortnames{$string}};
}
unless ($string =~ /\./) {
return undef;
}
return split /\./,$string,2;
}
sub nodech
{
my $nodes = shift;
my $args = shift;
my $callback = shift;
my $addmode = shift;
my $VERSION;
my $HELP;
my $deletemode;
my $nodech_usage = sub
{
my $exitcode = shift @_;
my $addmode = shift @_;
my $cmdname = $addmode ? 'nodeadd' : 'nodech';
my %rsp;
if ($addmode) {
push @{$rsp{data}}, "Usage: $cmdname <noderange> groups=<groupnames> [table.column=value] [...]";
} else {
push @{$rsp{data}}, "Usage: $cmdname <noderange> table.column=value [...]";
push @{$rsp{data}}, " $cmdname {-d | --delete} <noderange> <table> [...]";
}
push @{$rsp{data}}, " $cmdname {-v | --version}";
push @{$rsp{data}}, " $cmdname [-? | -h | --help]";
if ($exitcode) { $rsp{errorcode} = $exitcode; }
$callback->(\%rsp);
};
if ($args) {
@ARGV = @{$args};
} else {
@ARGV=();
}
my %options = ('h|?|help' => \$HELP, 'v|version' => \$VERSION);
if (!$addmode) { $options{'d|delete'} = \$deletemode; }
if (!GetOptions(%options)) {
$nodech_usage->(1, $addmode);
return;
}
# Help
if ($HELP) {
$nodech_usage->(0, $addmode);
return;
}
# Version
if ($VERSION) {
my %rsp;
my $version = xCAT::Utils->Version();
$rsp{data}->[0] = "$version";
$callback->(\%rsp);
return;
}
# Note: the noderange comes through in $arg (and therefore @ARGV) for nodeadd,
# because it is linked to xcatclientnnr, since the nodes specified in the noderange
# do not exist yet. The nodech cmd is linked to xcatclient, so its noderange is
# put in $nodes instead of $args.
if (scalar(@ARGV) < (1+$addmode)) { $nodech_usage->(1, $addmode); return; }
if ($addmode)
{
my $nr = shift @ARGV;
$nodes = [noderange($nr, 0)];
unless ($nodes) {
$callback->({error => "No noderange to add.\n",errorcode=>1});
return;
}
}
my $column;
my $value;
my $temp;
my %tables;
my %criteria=();
my $tab;
#print Dumper($deletemode);
foreach (@ARGV)
{
if ($deletemode)
{
if (m/[=\.]/) # in delete mode they can only specify tables names
{
$callback->({error => [". and = not valid in delete mode."],errorcode=>1});
next;
}
$tables{$_} = 1;
next;
}
unless (m/=/ or m/!~/)
{
$callback->({error => ["Malformed argument $_ ignored."],errorcode=>1});
next;
}
my $stable;
my $scolumn;
#Check for selection criteria
if (m/^[^=]*==/) {
($temp,$value)=split /==/,$_,2;
($stable,$scolumn)=getTableColumn($temp);
$criteria{$stable}->{$scolumn}=[$value,'match'];
next; #Is a selection criteria, not an assignment specification
} elsif (m/^[^=]*!=/) {
($temp,$value)=split /!=/,$_,2;
($stable,$scolumn)=getTableColumn($temp);
$criteria{$stable}->{$scolumn}=[$value,'natch'];
next; #Is a selection criteria, not an assignment specification
} elsif (m/^[^=]*=~/) {
($temp,$value)=split /=~/,$_,2;
($stable,$scolumn)=getTableColumn($temp);
$value =~ s/^\///;
$value =~ s/\/$//;
$criteria{$stable}->{$scolumn}=[$value,'regex'];
next; #Is a selection criteria, not an assignment specification
} elsif (m/^[^=]*!~/) {
($temp,$value)=split /!~/,$_,2;
($stable,$scolumn)=getTableColumn($temp);
$value =~ s/^\///;
$value =~ s/\/$//;
$criteria{$stable}->{$scolumn}=[$value,'negex'];
next; #Is a selection criteria, not an assignment specification
}
#Now definitely an assignment
($temp, $value) = split('=', $_, 2);
$value =~ s/^@//; #Allow the =@ operator to exist for an unambiguous assignmenet operator
#So before, table.column==value meant set to =value, now it would be matching value
#the new way would be table.column=@=value to be unambiguous
#now a value like '@hi' would be set with table.column=@@hi
if ($value eq '') { #If blank, force a null entry to override group settings
$value = '|^.*$||';
}
my $op = '=';
if ($temp =~ /,$/)
{
$op = ',=';
chop($temp);
}
elsif ($temp =~ /\^$/)
{
$op = '^=';
chop($temp);
}
my $table;
if ($shortnames{$temp})
{
($table, $column) = @{$shortnames{$temp}};
}
else
{
($table, $column) = split('\.', $temp, 2);
}
unless (grep /$column/,@{$xCAT::Schema::tabspec{$table}->{cols}}) {
$callback->({error=>"$table.$column not a valid table.column description",errorcode=>[1]});
return;
}
# Keep a list of the value/op pairs, in case there is more than 1 per table.column
#$tables{$table}->{$column} = [$value, $op];
push @{$tables{$table}->{$column}}, ($value, $op);
}
my %nodehash;
if (keys %criteria) {
foreach (@$nodes) {
$nodehash{$_}=1;
}
}
foreach $tab (keys %criteria) {
my $tabhdl = xCAT::Table->new($tab, -create => 1, -autocommit => 0);
my @columns=keys %{$criteria{$tab}};
my $tabhash = $tabhdl->getNodesAttribs($nodes,\@columns);
my $node;
my $col;
my $rec;
foreach $node (@$nodes) {
foreach $rec (@{$tabhash->{$node}}) {
foreach $col (@columns) {
my $value=$criteria{$tab}->{$col}->[0];
unless (defined $value) {
$value = "";
}
my $matchtype=$criteria{$tab}->{$col}->[1];
if ($matchtype eq 'match' and not ($rec->{$col} eq $value) or
$matchtype eq 'natch' and ($rec->{$col} eq $value) or
$matchtype eq 'regex' and ($rec->{$col} !~ /$value/) or
$matchtype eq 'negex' and ($rec->{$col} =~ /$value/)) {
delete $nodehash{$node};
}
}
}
}
$nodes = [keys %nodehash];
}
foreach $tab (keys %tables)
{
my $tabhdl = xCAT::Table->new($tab, -create => 1, -autocommit => 0);
if ($tabhdl)
{
foreach (@$nodes)
{
if ($deletemode)
{
$tabhdl->delEntries({'node' => $_});
}
else
{
#$tabhdl->setNodeAttribs($_,$tables{$tab});
my %uhsh;
my $node = $_;
foreach (keys %{$tables{$tab}}) # for each column specified for this table
{
#my $op = $tables{$tab}->{$_}->[1];
#my $val = $tables{$tab}->{$_}->[0];
my @valoppairs = @{$tables{$tab}->{$_}}; #Deep copy
while (scalar(@valoppairs)) { # alternating list of value and op for this table.column
my $val = shift @valoppairs;
my $op = shift @valoppairs;
my $key = $_;
if ($op eq '=') {
$uhsh{$key} = $val;
}
elsif ($op eq ',=') { #splice assignment
my $curval = $uhsh{$key}; # in case it was already set
if (!defined($curval)) {
my $cent = $tabhdl->getNodeAttribs($node, [$key]);
if ($cent) { $curval = $cent->{$key}; }
}
if ($curval) {
my @vals = split(/,/, $curval);
unless (grep /^$val$/, @vals) {
@vals = (@vals, $val);
my $newval = join(',', @vals);
$uhsh{$key} = $newval;
}
} else {
$uhsh{$key} = $val;
}
}
elsif ($op eq '^=') {
my $curval = $uhsh{$key}; # in case it was already set
if (!defined($curval)) {
my $cent = $tabhdl->getNodeAttribs($node, [$key]);
if ($cent) { $curval = $cent->{$key}; }
}
if ($curval) {
my @vals = split(/,/, $curval);
if (grep /^$val$/, @vals) { #only bother if there
@vals = grep(!/^$val$/, @vals);
my $newval = join(',', @vals);
$uhsh{$key} = $newval;
}
} #else, what they asked for is the case alredy
}
} # end of while @valoppairs
} # end of foreach column specified for this table
if (keys %uhsh)
{
my @rc = $tabhdl->setNodeAttribs($node, \%uhsh);
if (not defined($rc[0]))
{
$callback->({error => "DB error " . $rc[1],errorcode=>1});
}
}
}
}
$tabhdl->commit;
}
else
{
$callback->(
{error => ["ERROR: Unable to open table $tab in configuration"],errorcode=>1}
);
}
}
}
sub tabgrep
{
my $node = shift;
my @tablist;
my $callback = shift;
foreach (keys %{xCAT::Schema::tabspec})
{
if (grep /^node$/, @{$xCAT::Schema::tabspec{$_}->{cols}})
{
push @tablist, $_;
}
}
foreach (@tablist)
{
my $tab = xCAT::Table->new($_);
unless ($tab) { next; }
if ($tab and $tab->getNodeAttribs($node->[0], ["node"]))
{
$callback->({data => [$_]});
}
$tab->close;
}
}
#####################################################
# nodels command
#####################################################
sub nodels
{
my $nodes = shift;
my $args = shift;
my $callback = shift;
my $noderange = shift;
unless ($nodes) {
$nodes=[];
}
my $VERSION;
my $HELP;
my $nodels_usage = sub
{
my $exitcode = shift @_;
my %rsp;
push @{$rsp{data}}, "Usage:";
push @{$rsp{data}}, " nodels [noderange] [-H|--with-fieldname] [table.attribute | shortname] [...]";
push @{$rsp{data}}, " nodels {-v|--version}";
push @{$rsp{data}}, " nodels [-?|-h|--help]";
if ($exitcode) { $rsp{errorcode} = $exitcode; }
$callback->(\%rsp);
};
if ($args) {
@ARGV = @{$args};
} else {
@ARGV=();
}
my $NOTERSE;
if (!GetOptions('h|?|help' => \$HELP, 'H|with-fieldname' => \$NOTERSE, 'v|version' => \$VERSION,) ) { $nodels_usage->(1); return; }
# Help
if ($HELP) { $nodels_usage->(0); return; }
# Version
if ($VERSION)
{
my %rsp;
my $version = xCAT::Utils->Version();
$rsp{data}->[0] = "$version";
$callback->(\%rsp);
return;
}
# TODO -- Parse command arguments
# my $opt;
# my %attrs;
# foreach $opt (@ARGV) {
# if ($opt =~ /^group/) {
# }
# }
my $argc = @ARGV;
my $terse = 2;
if ($NOTERSE) {
$terse = 0;
}
if (@$nodes > 0 or $noderange)
{ #Make sure that there are zero nodes *and* that a noderange wasn't requested
# TODO - gather data for each node
# for now just return the flattened list of nodes)
my $rsp; #build up fewer requests, be less chatty
if ($argc)
{
my %tables;
foreach (@ARGV)
{
my $table;
my $column;
my $value;
my $matchtype;
my $temp = $_;
if ($temp =~ /^[^=]*\!=/) {
($temp,$value) = split /!=/,$temp,2;
$matchtype='natch';
}
elsif ($temp =~ /^[^=]*=~/) {
($temp,$value) = split /=~/,$temp,2;
$value =~ s/^\///;
$value =~ s/\/$//;
$matchtype='regex';
}
elsif ($temp =~ /[^=]*==/) {
($temp,$value) = split /==/,$temp,2;
$matchtype='match';
}
elsif ($temp =~ /[^=]*!~/) {
($temp,$value) = split /!~/,$temp,2;
$value =~ s/^\///;
$value =~ s/\/$//;
$matchtype='negex';
}
if ($shortnames{$temp})
{
($table, $column) = @{$shortnames{$temp}};
$terse--;
} elsif ($temp =~ /\./) {
($table, $column) = split('\.', $temp, 2);
$terse--;
} elsif ($xCAT::Schema::tabspec{$temp}) {
$terse=0;
$table = $temp;
foreach my $column (@{$xCAT::Schema::tabspec{$table}->{cols}}) {
unless (grep /^$column$/, @{$tables{$table}}) {
push @{$tables{$table}},[$column,"$temp.$column"];
}
}
next;
} else {
$callback->({error=>"$temp not a valid table.column description",errorcode=>[1]});
next;
}
unless (grep /$column/,@{$xCAT::Schema::tabspec{$table}->{cols}}) {
$callback->({error=>"$table.$column not a valid table.column description",errorcode=>[1]});
next;
}
unless (grep /^$column$/, @{$tables{$table}})
{
push @{$tables{$table}},
[$column, $temp,$value,$matchtype]; #Mark this as something to get
}
}
my $tab;
my %noderecs;
my %filterednodes=();
my %mustdisplaynodes=();
my %forcedisplaykeys=();
foreach $tab (keys %tables)
{
my $tabh = xCAT::Table->new($tab);
unless ($tabh) { next; }
#print Dumper($tables{$tab});
my $node;
my %labels;
my %values;
my %matchtypes;
my @cols=();
foreach (@{$tables{$tab}})
{
push @cols, $_->[0];
$labels{$_->[0]} = $_->[1]; #Remember user supplied discreptions and use them
if (not defined $values{$_->[0]}) { #If selection criteria not previously specified
$values{$_->[0]} = $_->[2]; #assign selection criteria
} elsif (not defined $_->[2]) { #we already have selection criteria, but this field isn't that
$forcedisplaykeys{$_->[0]}=1; #allow switch.switch=~switch switch.switch, for example
} else { #User attempted multiple selection criteria on the same field, bail
$callback->({error=>["Multiple selection critera for ".$labels{$_->[0]}]});
return;
}
if (not defined $matchtypes{$_->[0]}) {
$matchtypes{$_->[0]} = $_->[3];
}
}
my $removenodecol=1;
if (grep /^node$/,@cols) {
$removenodecol=0;
}
my $rechash=$tabh->getNodesAttribs($nodes,\@cols);
foreach $node (@$nodes)
{
my @cols;
my $recs = $rechash->{$node}; #$tabh->getNodeAttribs($node, \@cols);
my %satisfiedreqs=();
foreach my $rec (@$recs) {
foreach (keys %$rec)
{
if ($_ eq "node" and $removenodecol) { next; }
$satisfiedreqs{$_}=1;
my %datseg=();
if (defined $values{$_}) {
my $criteria=$values{$_}; #At least vim highlighting makes me worry about syntax in regex
if ($matchtypes{$_} eq 'match' and not ($rec->{$_} eq $criteria) or
$matchtypes{$_} eq 'natch' and ($rec->{$_} eq $criteria) or
$matchtypes{$_} eq 'regex' and ($rec->{$_} !~ /$criteria/) or
$matchtypes{$_} eq 'negex' and ($rec->{$_} =~ /$criteria/)) {
#unless ($rec->{$_} eq $values{$_}) {
$filterednodes{$node}=1;
next;
}
$mustdisplaynodes{$node}=1;
unless ($forcedisplaykeys{$_}) { next; } #skip if only specified once on command line
}
unless ($terse > 0) {
$datseg{data}->[0]->{desc} = [$labels{$_}];
}
$datseg{data}->[0]->{contents} = [$rec->{$_}];
$datseg{name} = [$node]; #{}->{contents} = [$rec->{$_}];
push @{$noderecs{$node}}, \%datseg;
}
}
foreach (keys %labels) {
unless (defined $satisfiedreqs{$_}) {
my %dataseg;
if (defined $values{$_}) {
my $criteria = $values{$_};
if ($matchtypes{$_} eq 'match' and not ("" eq $criteria) or
$matchtypes{$_} eq 'natch' and ("" eq $criteria) or
$matchtypes{$_} eq 'regex' and ("" !~ /$criteria/) or
$matchtypes{$_} eq 'negex' and ("" =~ /$criteria/)) {
#unless ("" eq $values{$_}) {
$filterednodes{$node}=1;
next;
}
$mustdisplaynodes{$node}=1;
unless ($forcedisplaykeys{$_}) { next; }
}
$dataseg{name} = [ $node ];
unless ($terse > 0) {
$dataseg{data}->[0]->{desc} = [$labels{$_}];
}
$dataseg{data}->[0]->{contents} = [""];
push @{$noderecs{$node}}, \%dataseg;
}
}
}
#$rsp->{node}->[0]->{data}->[0]->{desc}->[0] = $_;
#$rsp->{node}->[0]->{data}->[0]->{contents}->[0] = $_;
$tabh->close();
undef $tabh;
}
foreach (keys %mustdisplaynodes) {
if ($filterednodes{$_} or defined $noderecs{$_}) {
next;
}
$noderecs{$_}=[{name=>[$_]}];
}
foreach (keys %filterednodes) {
delete $noderecs{$_};
}
foreach (sort (keys %noderecs))
{
push @{$rsp->{"node"}}, @{$noderecs{$_}};
}
}
else
{
foreach (@$nodes)
{
my $noderec;
$noderec->{name}->[0] = ($_);
push @{$rsp->{node}}, $noderec;
}
}
$callback->($rsp);
}
else
{
# no noderange specified on command line, return list of all nodes
my $nodelisttab;
if ($nodelisttab = xCAT::Table->new("nodelist"))
{
my @attribs = ("node");
my @ents = $nodelisttab->getAllAttribs(@attribs);
foreach (@ents)
{
my $rsp;
if ($_->{node})
{
$rsp->{node}->[0]->{name}->[0] = ($_->{node});
# $rsp->{node}->[0]->{data}->[0]->{contents}->[0]="$_->{node} node contents";
# $rsp->{node}->[0]->{data}->[0]->{desc}->[0]="$_->{node} node desc";
$callback->($rsp);
}
}
}
}
return 0;
}