fabb8d0740
git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@789 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
1682 lines
41 KiB
Perl
1682 lines
41 KiB
Perl
#!/usr/bin/env perl
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# IBM(c) 2007 EPL license http://www.eclipse.org/legal/epl-v10.html
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package xCAT::Utils;
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use xCAT::Table;
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use POSIX qw(ceil);
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use Socket;
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use xCAT::Schema;
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use Data::Dumper;
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use xCAT::NodeRange;
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use DBI;
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#--------------------------------------------------------------------------------
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=head1 xCAT::Utils
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=head2 Package Description
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This program module file, is a set of utilities used by xCAT commands.
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=cut
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#--------------------------------------------------------------------------------
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=head3 quote
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Quote a string, taking into account embedded quotes. This function is most
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useful when passing string through the shell to another cmd. It handles one
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level of embedded double quotes, single quotes, and dollar signs.
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Arguments:
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string to quote
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Returns:
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quoted string
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Globals:
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none
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Error:
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none
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Example:
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if (defined($$opthashref{'WhereStr'})) {
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$where = xCAT::Utils->quote($$opthashref{'WhereStr'});
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}
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Comments:
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none
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=cut
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#--------------------------------------------------------------------------------
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sub quote
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{
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my ($class, $str) = @_;
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# if the value has imbedded double quotes, use single quotes. If it also has
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# single quotes, escape the double quotes.
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if (!($str =~ /\"/)) # no embedded double quotes
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{
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$str =~ s/\$/\\\$/sg; # escape the dollar signs
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$str =~ s/\`/\\\`/sg;
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$str = qq("$str");
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}
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elsif (!($str =~ /\'/))
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{
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$str = qq('$str');
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} # no embedded single quotes
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else # has both embedded double and single quotes
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{
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# Escape the double quotes. (Escaping single quotes does not seem to work
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# in the shells.)
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$str =~ s/\"/\\\"/sg; #" this comment helps formating
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$str =~ s/\$/\\\$/sg; # escape the dollar signs
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$str =~ s/\`/\\\`/sg;
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$str = qq("$str");
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}
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}
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#-------------------------------------------------------------------------------
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=head3 isAIX
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returns 1 if localHost is AIX
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Arguments:
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none
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Returns:
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1 - localHost is AIX
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0 - localHost is some other platform
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Globals:
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none
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Error:
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none
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Example:
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if (xCAT::Utils->isAIX()) { blah; }
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Comments:
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none
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=cut
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#-------------------------------------------------------------------------------
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sub isAIX
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{
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if ($^O =~ /^aix/i) { return 1; }
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else { return 0; }
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}
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#-------------------------------------------------------------------------------
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=head3 xfork
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forks, safely coping with open database handles
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Argumens:
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none
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Returns:
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same as fork
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=cut
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sub xfork
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{
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my $rc = fork;
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unless (defined($rc))
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{
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return $rc;
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}
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unless ($rc)
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{
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#my %drivers = DBI->installed_drivers;
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foreach (values %{$::XCAT_DBHS})
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{ #@{$drh->{ChildHandles}}) {
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$_->{InactiveDestroy} = 1;
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undef $_;
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}
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}
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return $rc;
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}
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sub close_all_dbhs {
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foreach (values %{$::XCAT_DBHS})
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{ #@{$drh->{ChildHandles}}) {
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$_->disconnect;
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undef $_;
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}
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}
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#-------------------------------------------------------------------------------
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=head3 isLinux
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returns 1 if localHost is Linux
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Arguments:
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none
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Returns:
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1 - localHost is Linux
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0 - localHost is some other platform
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Globals:
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none
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Error:
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none
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Example:
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if (xCAT::Utils->isLinux()) { blah; }
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Comments:
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none
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=cut
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#-------------------------------------------------------------------------------
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sub isLinux
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{
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if ($^O =~ /^linux/i) { return 1; }
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else { return 0; }
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}
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#-------------------------------------------------------------------------------
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=head3 make_node_list_file
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Makes a node list file.
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Arguments:
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(\@list_of_nodes) - reference to an arrary of nodes.
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Returns:
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$file_name and sets the global var: $::NODE_LIST_FILE
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Globals:
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the ENV vars: DSH_LIST, RPOWER_LIST, RCONSOLE_LIST
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Error:
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None documented
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Example:
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xCAT::Utils->make_node_list_file(\@nodelist);
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Comments:
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IMPORTANT:
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Make sure to cleanup afterwards with:
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xCAT::Utils->close_delete_file($file_handle, $file_name)
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=cut
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#--------------------------------------------------------------------------------
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sub make_node_list_file
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{
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my ($class, $ref_node_list) = @_;
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my @node_list = @$ref_node_list;
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srand(time | $$); #random number generator start
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my $file = "/tmp/csm_$$";
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while (-e $file)
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{
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$file = xCAT::Utils->CreateRandomName($file);
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}
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open($::NODE_LIST_FILE, ">$file")
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or MsgUtils->message("E", "Cannot write to file: $file\n");
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foreach my $node (@node_list)
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{
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print $::NODE_LIST_FILE "$node\n";
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}
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return $file;
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}
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#--------------------------------------------------------------------------------
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=head3 CreateRandomName
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Create a randome file name.
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Arguments:
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Prefix of name
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Returns:
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Prefix with 8 random letters appended
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Error:
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none
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Example:
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$file = xCAT::Utils->CreateRandomName($namePrefix);
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Comments:
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None
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=cut
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#-------------------------------------------------------------------------------
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sub CreateRandomName
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{
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my ($class, $name) = @_;
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my $nI;
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for ($nI = 0 ; $nI < 8 ; $nI++)
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{
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my $char = ('a' .. 'z', 'A' .. 'Z')[int(rand(52)) + 1];
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$name .= $char;
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}
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$name;
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}
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#-----------------------------------------------------------------------
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=head3
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close_delete_file.
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Arguments:
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file handle,filename
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Returns:
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none
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Globals:
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none
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Error:
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undef
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Example:
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xCAT::Utils->close_delete_file($file_handle, $file_name);
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Comments:
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none
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=cut
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#------------------------------------------------------------------------
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sub close_delete_file
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{
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my ($class, $file_handle, $file_name) = @_;
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close $file_handle;
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unlink($file_name);
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}
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#-----------------------------------------------------------------------
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=head3
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list_all_nodes
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Arguments:
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Returns:
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an array of all define nodes from the nodelist table
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Globals:
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none
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Error:
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undef
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Example:
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@nodes=xCAT::Utils->list_all_nodes;
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Comments:
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none
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=cut
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#------------------------------------------------------------------------
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sub list_all_nodes
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{
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my @nodes;
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my @nodelist;
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my $nodelisttab;
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if ($nodelisttab = xCAT::Table->new("nodelist"))
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{
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my @attribs = ("node");
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@nodes = $nodelisttab->getAllAttribs(@attribs);
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foreach my $node (@nodes)
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{
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push @nodelist, $node->{node};
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}
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}
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else
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{
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xCAT::MsgUtils->message("E", " Could not read the nodelist table\n");
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}
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return @nodelist;
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}
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#-----------------------------------------------------------------------
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=head3
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list_all_nodegroups
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Arguments:
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Returns:
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an array of all define node groups from the nodelist table
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Globals:
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none
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Error:
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undef
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Example:
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@nodegrps=xCAT::Utils->list_all_nodegroups;
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Comments:
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none
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=cut
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#------------------------------------------------------------------------
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sub list_all_node_groups
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{
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my @grouplist;
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my @grouplist2;
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my @distinctgroups;
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my $nodelisttab;
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if ($nodelisttab = xCAT::Table->new("nodelist"))
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{
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my @attribs = ("groups");
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@grouplist = $nodelisttab->getAllAttribs(@attribs);
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# build a distinct list of unique group names
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foreach my $group (@grouplist)
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{
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my $gnames = $group->{groups};
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my @groupnames = split ",", $gnames;
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foreach my $groupname (@groupnames)
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{
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if (!grep(/$groupname/, @distinctgroups))
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{ # not already in list
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push @distinctgroups, $groupname;
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}
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}
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}
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}
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else
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{
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xCAT::MsgUtils->message("E", " Could not read the nodelist table\n");
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}
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return @distinctgroups;
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}
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#-----------------------------------------------------------------------
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=head3
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list_nodes_in_nodegroup
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Arguments: nodegroup
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Returns:
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an array of all define nodes in the node group
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Globals:
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none
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Error:
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undef
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Example:
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@nodes=xCAT::Utils->list_nodes_in_nodegroup($group);
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Comments:
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none
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=cut
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#------------------------------------------------------------------------
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sub list_nodes_in_nodegroups
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{
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my ($class, $group) = @_;
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$req->{noderange}->[0] = $group;
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my @nodes = noderange($req->{noderange}->[0]);
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return @nodes;
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}
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#-----------------------------------------------------------------------
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=head3
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get_site_attribute
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Arguments:
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Returns:
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The value of the attribute requested from the site table
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Globals:
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none
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Error:
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undef
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Example:
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@attr=xCAT::Utils->get_site_attribute($attribute);
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Comments:
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none
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=cut
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#------------------------------------------------------------------------
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sub get_site_attribute
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{
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my ($class, $attr) = @_;
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my $values;
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my $sitetab = xCAT::Table->new('site');
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if ($sitetab)
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{
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(my $ref) = $sitetab->getAttribs({key => $attr}, value);
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if ($ref and $ref->{value})
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{
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$values = $ref->{value};
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}
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}
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else
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{
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xCAT::MsgUtils->message("E", " Could not read the site table\n");
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}
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return $values;
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}
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#-----------------------------------------------------------------------
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=head3
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add_cron_job
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This function adds a new cron job.
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Arguments:
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job--- string in the crontab job format.
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Returns:
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(code, message)
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Globals:
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none
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Error:
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undef
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Example:
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xCAT::Utils->add_cron_job("*/5 * * * * /usr/bin/myjob");
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Comments:
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none
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=cut
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#------------------------------------------------------------------------
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sub add_cron_job
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{
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$newentry = shift;
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if ($newentry =~ /xCAT::Utils/)
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{
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$newentry = shift;
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}
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#read the cron tab entries
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my @tabs = `/usr/bin/crontab -l 2>/dev/null`;
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my @newtabs = ();
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foreach (@tabs)
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{
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chomp($_);
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# stop adding if it's already there
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if ($_ eq $newentry) { return (0, "started"); }
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#skip headers for Linux
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next
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if $_ =~
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m/^\#.+(DO NOT EDIT THIS FILE|\(.+ installed on |Cron version )/;
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push(@newtabs, $_);
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}
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#add new entries to the cron tab
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push(@newtabs, $newentry);
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my $tabname = "";
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if (xCAT::Utils::isLinux) { $tabname = "-"; }
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open(CRONTAB, "|/usr/bin/crontab $tabname")
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or return (1, "cannot open crontab.");
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foreach (@newtabs) { print CRONTAB $_ . "\n"; }
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close(CRONTAB);
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return (0, "");
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}
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#-----------------------------------------------------------------------
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=head3
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remove_cron_job
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This function removes a new cron job.
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Arguments:
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job--- a substring that is contained in a crontab entry.
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(use crontab -l to see all the job entries.)
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Returns:
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(code, message)
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Globals:
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none
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Error:
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undef
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Example:
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xCAT::Utils->remove_cron_job("/usr/bin/myjob");
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This will remove any cron job that contains this string.
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Comments:
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none
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=cut
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#------------------------------------------------------------------------
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sub remove_cron_job
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{
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$job = shift;
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if ($job =~ /xCAT::Utils/)
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{
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$job = shift;
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}
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#read the cron tab entries and remove the one that contains $job
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my @tabs = `/usr/bin/crontab -l 2>/dev/null`;
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my @newtabs = ();
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foreach (@tabs)
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{
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chomp($_);
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# stop adding if it's already there
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next if index($_, $job, 0) >= 0;
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#skip headers for Linux
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next
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if $_ =~
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m/^\#.+(DO NOT EDIT THIS FILE|\(.+ installed on |Cron version )/;
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push(@newtabs, $_);
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}
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#refresh the cron
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my $tabname = "";
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if (xCAT::Utils::isLinux) { $tabname = "-"; }
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open(CRONTAB, "|/usr/bin/crontab $tabname")
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or return (1, "cannot open crontab.");
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foreach (@newtabs) { print CRONTAB $_ . "\n"; }
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close(CRONTAB);
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return (0, "");
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}
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#-------------------------------------------------------------------------------
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=head3 runcmd
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Run the given cmd and return the output in an array (already chopped).
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Alternately, if this function is used in a scalar context, the output
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is joined into a single string with the newlines separating the lines.
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Arguments:
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command, exitcode and reference to output
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Returns:
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see below
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Globals:
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$::RUNCMD_RC , $::CALLBACK
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Error:
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Normally, if there is an error running the cmd,it will display the
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error and exit with the cmds exit code, unless exitcode
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is given one of the following values:
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0: display error msg, DO NOT exit on error, but set
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$::RUNCMD_RC to the exit code.
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-1: DO NOT display error msg and DO NOT exit on error, but set
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$::RUNCMD_RC to the exit code.
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-2: DO the default behavior (display error msg and exit with cmds
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exit code.
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number > 0: Display error msg and exit with the given code
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Example:
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my $outref = xCAT::Utils->runcmd($cmd, -2, 1);
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Comments:
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If refoutput is true, then the output will be returned as a
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reference to an array for efficiency.
|
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|
|
|
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=cut
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|
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#-------------------------------------------------------------------------------
|
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sub runcmd
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|
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{
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my ($class, $cmd, $exitcode, $refoutput) = @_;
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$::RUNCMD_RC = 0;
|
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if (!$xCAT::Utils::NO_STDERR_REDIRECT)
|
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{
|
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if (!($cmd =~ /2>&1$/)) { $cmd .= ' 2>&1'; }
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|
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}
|
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if ($::VERBOSE)
|
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{
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xCAT::MsgUtils->message("I", "Running Command: $cmd\n");
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}
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my $outref = [];
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@$outref = `$cmd`;
|
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if ($?)
|
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{
|
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$::RUNCMD_RC = $? >> 8;
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my $displayerror = 1;
|
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my $rc;
|
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if (defined($exitcode) && length($exitcode) && $exitcode != -2)
|
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{
|
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if ($exitcode > 0)
|
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{
|
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$rc = $exitcode;
|
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} # if not zero, exit with specified code
|
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elsif ($exitcode <= 0)
|
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{
|
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$rc = ''; # if zero or negative, do not exit
|
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if ($exitcode < 0) { $displayerror = 0; }
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}
|
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}
|
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else
|
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{
|
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$rc = $::RUNCMD_RC;
|
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} # if exitcode not specified, use cmd exit code
|
|
if ($displayerror)
|
|
{
|
|
my $errmsg = '';
|
|
if (xCAT::Utils->isLinux() && $::RUNCMD_RC == 139)
|
|
{
|
|
$errmsg = "Segmentation fault $errmsg";
|
|
}
|
|
else
|
|
{
|
|
$errmsg = join('', @$outref);
|
|
chomp $errmsg;
|
|
|
|
}
|
|
if ($::CALLBACK)
|
|
{
|
|
my %rsp;
|
|
$rsp->{data}->[0] =
|
|
"Command failed: $cmd. Error message: $errmsg.\n";
|
|
xCAT::MsgUtils->message("E", $rsp, $::CALLBACK);
|
|
|
|
}
|
|
else
|
|
{
|
|
xCAT::MsgUtils->message("E",
|
|
"Command failed: $cmd. Error message: $errmsg.\n");
|
|
}
|
|
$xCAT::Utils::errno = 29;
|
|
}
|
|
}
|
|
if ($refoutput)
|
|
{
|
|
chomp(@$outref);
|
|
return $outref;
|
|
}
|
|
elsif (wantarray)
|
|
{
|
|
chomp(@$outref);
|
|
return @$outref;
|
|
}
|
|
else
|
|
{
|
|
my $line = join('', @$outref);
|
|
chomp $line;
|
|
return $line;
|
|
}
|
|
|
|
}
|
|
|
|
#--------------------------------------------------------------------------------
|
|
|
|
=head3 getHomeDir
|
|
|
|
Get the path the user home directory from /etc/passwd.
|
|
|
|
Arguments:
|
|
none
|
|
Returns:
|
|
path to user home directory.
|
|
Globals:
|
|
none
|
|
Error:
|
|
none
|
|
Example:
|
|
$myHome = xCAT::Utils->getHomeDir();
|
|
Comments:
|
|
none
|
|
|
|
=cut
|
|
|
|
#--------------------------------------------------------------------------------
|
|
|
|
sub getHomeDir
|
|
{
|
|
my ($class, $username) = @_;
|
|
my @user = split ':', (`/bin/grep ^$username /etc/passwd 2>&1`);
|
|
my $home = $user[5];
|
|
return $home;
|
|
}
|
|
|
|
#--------------------------------------------------------------------------------
|
|
|
|
=head3 setupSSH
|
|
|
|
Transfers the ssh keys to setup ssh to the input nodes.
|
|
|
|
Arguments:
|
|
Array of nodes
|
|
Returns:
|
|
|
|
Globals:
|
|
$::XCATROOT , $::CALLBACK
|
|
Error:
|
|
0=good, 1=error
|
|
Example:
|
|
xCAT::Utils->setupSSH(@target_nodes);
|
|
Comments:
|
|
Does not setup known_hosts. Assumes automatically
|
|
setup by SSH ( ssh config option StrictHostKeyChecking no should
|
|
be set in the ssh config file).
|
|
|
|
=cut
|
|
|
|
#--------------------------------------------------------------------------------
|
|
sub setupSSH
|
|
{
|
|
my ($class, $ref_nodes) = @_;
|
|
my @nodes = $ref_nodes;
|
|
my @badnodes = ();
|
|
my $n_str = join ',', @nodes;
|
|
my $SSHdir = "/install/postscripts/.ssh";
|
|
if ($::XCATROOT)
|
|
{
|
|
$::REMOTESHELL_EXPECT = "$::XCATROOT/sbin/remoteshell.expect";
|
|
}
|
|
else
|
|
{
|
|
$::REMOTESHELL_EXPECT = "/opt/xcat/sbin/remoteshell.expect";
|
|
}
|
|
$::REMOTE_SHELL = "/usr/bin/ssh";
|
|
|
|
# make the directory to hold keys to transfer to the nodes
|
|
if (!-d $SSHdir)
|
|
{
|
|
mkdir("/install", 0755);
|
|
mkdir("/install/postscripts", 0755);
|
|
mkdir("/install/postscripts/.ssh", 0755);
|
|
}
|
|
|
|
# Generate the keys
|
|
xCAT::Utils->runcmd("$::REMOTESHELL_EXPECT -k", 0);
|
|
if ($::RUNCMD_RC != 0)
|
|
{ # error
|
|
my %rsp;
|
|
$rsp->{data}->[0] = "remoteshell.expect failed generating keys.\n";
|
|
xCAT::MsgUtils->message("E", $rsp, $::CALLBACK);
|
|
|
|
}
|
|
|
|
# Copy the keys to the directory
|
|
my $rc = xCAT::Utils->cpSSHFiles($SSHdir);
|
|
if ($rc != 0)
|
|
{ # error
|
|
my %rsp;
|
|
$rsp->{data}->[0] = "Error running cpSSHFiles.\n";
|
|
xCAT::MsgUtils->message("E", $rsp, $::CALLBACK);
|
|
return 1;
|
|
|
|
}
|
|
|
|
open(FILE, ">$SSHdir/copy.perl")
|
|
or die "cannot open file $SSHdir/copy.perl\n";
|
|
|
|
# build the perl copy script in $SSHdir/copy.perl
|
|
print FILE "#!/usr/bin/perl
|
|
my (\$name,\$passwd,\$uid,\$gid,\$quota,\$comment,\$gcos,\$dir,\$shell,\$expire) = getpwnam(\"root\");
|
|
my \$home = \$dir;
|
|
umask(0077);
|
|
\$dest_dir = \"\$home/.ssh/\";
|
|
if (! -d \"\$dest_dir\" ) {
|
|
# create a local directory
|
|
\$cmd = \"mkdir -p \$dest_dir\";
|
|
system(\"\$cmd\");
|
|
chmod 0700, \$dest_dir;
|
|
}
|
|
`cat /tmp/.ssh/authorized_keys >> \$home/.ssh/authorized_keys 2>&1`;
|
|
`cat /tmp/.ssh/authorized_keys2 >> \$home/.ssh/authorized_keys2 2>&1`;
|
|
`rm -f /tmp/.ssh/authorized_keys 2>&1`;
|
|
`rm -f /tmp/.ssh/authorized_keys2 2>&1`;
|
|
`rm -f /tmp/.ssh/copy.perl 2>&1`;
|
|
rmdir(\"/tmp/.ssh\");";
|
|
close FILE;
|
|
chmod 0744, "$SSHdir/copy.perl";
|
|
|
|
# end build Perl code
|
|
|
|
#set an ENV var if more than 10 nodes for remoteshell.expect
|
|
my $num_nodes = scalar(@nodes);
|
|
if ($num_nodes > 10)
|
|
{
|
|
$ENV{'XCAT_UPD_MULTNODES'} = 1;
|
|
}
|
|
|
|
# send the keys to the nodes
|
|
#
|
|
my $cmd = "$::REMOTESHELL_EXPECT -s $n_str";
|
|
my $rc = system("$cmd") >> 8;
|
|
if ($rc)
|
|
{
|
|
my %rsp;
|
|
$rsp->{data}->[0] = "remoteshell.expect failed sending keys.\n";
|
|
xCAT::MsgUtils->message("E", $rsp, $::CALLBACK);
|
|
|
|
}
|
|
|
|
# must always check to see if worked, run test
|
|
foreach my $n (@nodes)
|
|
{
|
|
my $cmd = "$::REMOTESHELL_EXPECT -t $::REMOTE_SHELL $n ";
|
|
my @cmdout = `$cmd 2>&1`;
|
|
chomp(@cmdout); # take the newline off
|
|
my $rc = $? >> 8;
|
|
if ($rc)
|
|
{
|
|
push @badnodes, $n;
|
|
}
|
|
}
|
|
|
|
xCAT::Utils->runcmd("/bin/stty echo", 0);
|
|
delete $ENV{'XCAT_UPD_MULTNODES'};
|
|
|
|
if (@badnodes)
|
|
{
|
|
my $nstring = join ',', @badnodes;
|
|
my %rsp;
|
|
$rsp->{data}->[0] =
|
|
"SSH setup failed for the following nodes: $nstring.\n";
|
|
xCAT::MsgUtils->message("E", $rsp, $::CALLBACK);
|
|
return @badnodes;
|
|
}
|
|
else
|
|
{
|
|
my %rsp;
|
|
$rsp->{data}->[0] = "$::REMOTE_SHELL setup is complete.\n";
|
|
xCAT::MsgUtils->message("I", $rsp, $::CALLBACK);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
#--------------------------------------------------------------------------------
|
|
|
|
=head3 cpSSHFiles
|
|
|
|
Copies the ssh keyfiles and the copy perl script into
|
|
/install/postscripts/.ssh.
|
|
|
|
Arguments:
|
|
directory path
|
|
Returns:
|
|
|
|
Globals:
|
|
$::CALLBACK
|
|
Error:
|
|
|
|
Example:
|
|
xCAT::Utils->cpSSHFiles;
|
|
|
|
Comments:
|
|
none
|
|
|
|
=cut
|
|
|
|
#--------------------------------------------------------------------------------
|
|
|
|
sub cpSSHFiles
|
|
{
|
|
my ($class, $SSHdir) = @_;
|
|
my ($cmd, $rc);
|
|
if ($::VERBOSE)
|
|
{
|
|
my %rsp;
|
|
$rsp->{data}->[0] = "Copying SSH Keys";
|
|
xCAT::MsgUtils->message("I", $rsp, $::CALLBACK);
|
|
}
|
|
my $home = xCAT::Utils->getHomeDir("root");
|
|
|
|
my $authorized_keys = "$SSHdir/authorized_keys";
|
|
my $authorized_keys2 = "$SSHdir/authorized_keys2";
|
|
if ( !(-e "$home/.ssh/identity.pub")
|
|
|| !(-e "$home/.ssh/id_rsa.pub")
|
|
|| !(-e "$home/.ssh/id_dsa.pub"))
|
|
{
|
|
return 1;
|
|
}
|
|
$cmd = " cp $home/.ssh/identity.pub $authorized_keys";
|
|
xCAT::Utils->runcmd($cmd, 0);
|
|
if ($::RUNCMD_RC != 0)
|
|
{
|
|
my %rsp;
|
|
$rsp->{data}->[0] = "$cmd failed.\n";
|
|
xCAT::MsgUtils->message("E", $rsp, $::CALLBACK);
|
|
return (1);
|
|
|
|
}
|
|
else
|
|
{
|
|
if ($::VERBOSE)
|
|
{
|
|
my %rsp;
|
|
$rsp->{data}->[0] = "$cmd succeeded.\n";
|
|
xCAT::MsgUtils->message("I", $rsp, $::CALLBACK);
|
|
}
|
|
}
|
|
|
|
$cmd = "cp $home/.ssh/id_rsa.pub $authorized_keys2";
|
|
xCAT::Utils->runcmd($cmd, 0);
|
|
if ($::RUNCMD_RC != 0)
|
|
{
|
|
my %rsp;
|
|
$rsp->{data}->[0] = "$cmd failed.\n";
|
|
xCAT::MsgUtils->message("E", $rsp, $::CALLBACK);
|
|
return (1);
|
|
|
|
}
|
|
else
|
|
{
|
|
if ($::VERBOSE)
|
|
{
|
|
my %rsp;
|
|
$rsp->{data}->[0] = "$cmd succeeded.\n";
|
|
xCAT::MsgUtils->message("I", $rsp, $::CALLBACK);
|
|
}
|
|
}
|
|
|
|
$cmd = "cat $home/.ssh/id_dsa.pub >> $authorized_keys2";
|
|
xCAT::Utils->runcmd($cmd, 0);
|
|
if ($::RUNCMD_RC != 0)
|
|
{
|
|
my %rsp;
|
|
$rsp->{data}->[0] = "$cmd failed.\n";
|
|
xCAT::MsgUtils->message("E", $rsp, $::CALLBACK);
|
|
return (1);
|
|
|
|
}
|
|
else
|
|
{
|
|
if ($::VERBOSE)
|
|
{
|
|
my %rsp;
|
|
$rsp->{data}->[0] = "$cmd succeeded.\n";
|
|
xCAT::MsgUtils->message("I", $rsp, $::CALLBACK);
|
|
}
|
|
}
|
|
|
|
if (!(-e "$authorized_keys") || !(-e "$authorized_keys2"))
|
|
{
|
|
return 1;
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
#-------------------------------------------------------------------------------
|
|
|
|
=head3 isServiceNode
|
|
checks for the /etc/xCATSN file
|
|
|
|
Arguments:
|
|
none
|
|
Returns:
|
|
1 - localHost is ServiceNode
|
|
0 - localHost is not ServiceNode
|
|
Globals:
|
|
none
|
|
Error:
|
|
none
|
|
Example:
|
|
%::XCATMasterPort defined in the caller.
|
|
$return=(xCAT::Utils->isServiceNode())
|
|
Comments:
|
|
none
|
|
=cut
|
|
|
|
#-------------------------------------------------------------------------------
|
|
sub isServiceNode
|
|
{
|
|
my $value;
|
|
if (-e "/etc/xCATSN")
|
|
{
|
|
return 1;
|
|
}
|
|
else
|
|
{
|
|
return 0;
|
|
}
|
|
}
|
|
#-------------------------------------------------------------------------------
|
|
|
|
=head3 isMS
|
|
checks for the /etc/xCATMS file , if it exists is a Management Server
|
|
|
|
Arguments:
|
|
none
|
|
Returns:
|
|
1 - localHost is ServiceNode
|
|
0 - localHost is not ServiceNode
|
|
Globals:
|
|
none
|
|
Error:
|
|
none
|
|
Example:
|
|
$return=(xCAT::Utils->isMS())
|
|
Comments:
|
|
none
|
|
=cut
|
|
|
|
#-------------------------------------------------------------------------------
|
|
sub isMS
|
|
{
|
|
my $value;
|
|
if (-e "/etc/xCATMS")
|
|
{
|
|
return 1;
|
|
}
|
|
else
|
|
{
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
#-------------------------------------------------------------------------------
|
|
|
|
=head3 my_hexnets
|
|
|
|
Arguments:
|
|
none
|
|
Returns:
|
|
Globals:
|
|
none
|
|
Error:
|
|
none
|
|
Example:
|
|
Comments:
|
|
none
|
|
=cut
|
|
|
|
#-------------------------------------------------------------------------------
|
|
sub my_hexnets
|
|
{
|
|
my $rethash;
|
|
my @nets = split /\n/, `/sbin/ip addr`;
|
|
foreach (@nets)
|
|
{
|
|
my @elems = split /\s+/;
|
|
unless (/^\s*inet\s/)
|
|
{
|
|
next;
|
|
}
|
|
(my $curnet, my $maskbits) = split /\//, $elems[2];
|
|
my $bitstoeven = (4 - ($maskbits % 4));
|
|
if ($bitstoeven eq 4) { $bitstoeven = 0; }
|
|
my $padbits = (32 - ($bitstoeven + $maskbits));
|
|
my $numchars = int(($maskbits + $bitstoeven) / 4);
|
|
my $curmask = 2**$maskbits - 1 << (32 - $maskbits);
|
|
my $nown = unpack("N", inet_aton($curnet));
|
|
$nown = $nown & $curmask;
|
|
my $highn =
|
|
$nown + ((2**$bitstoeven - 1) << (32 - $maskbits - $bitstoeven));
|
|
|
|
while ($nown <= $highn)
|
|
{
|
|
my $nowhex = sprintf("%08x", $nown);
|
|
$rethash->{substr($nowhex, 0, $numchars)} = $curnet;
|
|
$nown += 1 << (32 - $maskbits - $bitstoeven);
|
|
}
|
|
}
|
|
return $rethash;
|
|
}
|
|
|
|
#-------------------------------------------------------------------------------
|
|
|
|
=head3 my_ip_facing
|
|
|
|
Arguments:
|
|
none
|
|
Returns:
|
|
Globals:
|
|
none
|
|
Error:
|
|
none
|
|
Example:
|
|
Comments:
|
|
none
|
|
=cut
|
|
|
|
#-------------------------------------------------------------------------------
|
|
sub my_ip_facing
|
|
{
|
|
my $peer = shift;
|
|
if (@_)
|
|
{
|
|
$peer = shift;
|
|
}
|
|
my $noden = unpack("N", inet_aton($peer));
|
|
my @nets = split /\n/, `/sbin/ip addr`;
|
|
foreach (@nets)
|
|
{
|
|
my @elems = split /\s+/;
|
|
unless (/^\s*inet\s/)
|
|
{
|
|
next;
|
|
}
|
|
(my $curnet, my $maskbits) = split /\//, $elems[2];
|
|
my $curmask = 2**$maskbits - 1 << (32 - $maskbits);
|
|
my $curn = unpack("N", inet_aton($curnet));
|
|
if (($noden & $curmask) == ($curn & $curmask))
|
|
{
|
|
return $curnet;
|
|
}
|
|
}
|
|
return undef;
|
|
}
|
|
|
|
#-------------------------------------------------------------------------------
|
|
|
|
=head3 nodeonmynet - checks to see if node is on the network
|
|
Arguments:
|
|
Node name
|
|
Returns: 1 if node is on the network
|
|
Globals:
|
|
none
|
|
Error:
|
|
none
|
|
Example:
|
|
Comments:
|
|
none
|
|
=cut
|
|
|
|
#-------------------------------------------------------------------------------
|
|
|
|
sub nodeonmynet
|
|
{
|
|
my $nodetocheck = shift;
|
|
if (scalar(@_))
|
|
{
|
|
$nodetocheck = shift;
|
|
}
|
|
my $nodeip = inet_ntoa(inet_aton($nodetocheck));
|
|
unless ($nodeip =~ /\d+\.\d+\.\d+\.\d+/)
|
|
{
|
|
return 0; #Not supporting IPv6 here IPV6TODO
|
|
}
|
|
my $noden = unpack("N", inet_aton($nodeip));
|
|
my @nets = split /\n/, `/sbin/ip route`;
|
|
foreach (@nets)
|
|
{
|
|
my @elems = split /\s+/;
|
|
unless ($elems[1] =~ /dev/)
|
|
{
|
|
next;
|
|
}
|
|
(my $curnet, my $maskbits) = split /\//, $elems[0];
|
|
my $curmask = 2**$maskbits - 1 << (32 - $maskbits);
|
|
my $curn = unpack("N", inet_aton($curnet));
|
|
if (($noden & $curmask) == $curn)
|
|
{
|
|
return 1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#-------------------------------------------------------------------------------
|
|
|
|
=head3 thishostisnot
|
|
returns 0 if host is not the same
|
|
Arguments:
|
|
hostname
|
|
Returns:
|
|
Globals:
|
|
none
|
|
Error:
|
|
none
|
|
Example:
|
|
Comments:
|
|
none
|
|
=cut
|
|
|
|
#-------------------------------------------------------------------------------
|
|
|
|
sub thishostisnot
|
|
{
|
|
my $comparison = shift;
|
|
if (scalar(@_))
|
|
{
|
|
$comparison = shift;
|
|
}
|
|
|
|
my @ips = split /\n/, `/sbin/ip addr`;
|
|
my $comp = inet_aton($comparison);
|
|
foreach (@ips)
|
|
{
|
|
if (/^\s*inet/)
|
|
{
|
|
my @ents = split(/\s+/);
|
|
my $ip = $ents[2];
|
|
$ip =~ s/\/.*//;
|
|
if (inet_aton($ip) eq $comp)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
#print Dumper(inet_aton($ip));
|
|
}
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
#-------------------------------------------------------------------------------
|
|
|
|
=head3 GetMasterNodeName
|
|
Reads the database for the Master node name for the input node
|
|
Arguments:
|
|
Node
|
|
Returns:
|
|
MasterHostName
|
|
Globals:
|
|
none
|
|
Error:
|
|
none
|
|
Example:
|
|
$master=(xCAT::Utils->GetMasterNodeName($node))
|
|
Comments:
|
|
none
|
|
=cut
|
|
|
|
#-------------------------------------------------------------------------------
|
|
sub GetMasterNodeName
|
|
{
|
|
my ($class, $node) = @_;
|
|
my $master;
|
|
my $noderestab = xCAT::Table->new('noderes');
|
|
my $typetab = xCAT::Table->new('nodetype');
|
|
unless ($noderestab and $typetab)
|
|
{
|
|
xCAT::MsgUtils->message('S',
|
|
"Unable to open noderes or nodetype table.\n");
|
|
return 1;
|
|
}
|
|
my $sitetab = xCAT::Table->new('site');
|
|
(my $et) = $sitetab->getAttribs({key => "master"}, 'value');
|
|
if ($et and $et->{value})
|
|
{
|
|
$master = $et->{value};
|
|
}
|
|
$et = $noderestab->getNodeAttribs($node, ['xcatmaster']);
|
|
if ($et and $et->{'xcatmaster'})
|
|
{
|
|
$master = $et->{'xcatmaster'};
|
|
}
|
|
unless ($master)
|
|
{
|
|
xCAT::MsgUtils->message('S', "Unable to identify master for $node.\n");
|
|
return 1;
|
|
}
|
|
|
|
return $master;
|
|
}
|
|
|
|
#-------------------------------------------------------------------------------
|
|
|
|
=head3 GetNodeOSARCH
|
|
Reads the database for the OS and Arch of the input Node
|
|
Arguments:
|
|
Node
|
|
Returns:
|
|
$et->{'os'}
|
|
$et->{'arch'}
|
|
Globals:
|
|
none
|
|
Error:
|
|
none
|
|
Example:
|
|
$master=(xCAT::Utils->GetNodeOSARCH($node))
|
|
Comments:
|
|
none
|
|
=cut
|
|
|
|
#-------------------------------------------------------------------------------
|
|
sub GetNodeOSARCH
|
|
{
|
|
my ($class, $node) = @_;
|
|
my $noderestab = xCAT::Table->new('noderes');
|
|
my $typetab = xCAT::Table->new('nodetype');
|
|
unless ($noderestab and $typetab)
|
|
{
|
|
xCAT::MsgUtils->message('S',
|
|
"Unable to open noderes or nodetype table.\n");
|
|
return 1;
|
|
}
|
|
my $et = $typetab->getNodeAttribs($node, ['os', 'arch']);
|
|
unless ($et and $et->{'os'} and $et->{'arch'})
|
|
{
|
|
xCAT::MsgUtils->message('S',
|
|
"No os/arch setting in nodetype table for $node.\n");
|
|
return 1;
|
|
}
|
|
|
|
return $et;
|
|
|
|
}
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
|
=head3 exportDBConfig
|
|
|
|
Reads the /etc/sysconfig/xcat file for the DB configuration and exports it
|
|
in $XCATCFG
|
|
=cut
|
|
|
|
#-----------------------------------------------------------------------------
|
|
sub exportDBConfig
|
|
{
|
|
|
|
# export the xcat database configuration
|
|
my $configfile = "/etc/sysconfig/xcat";
|
|
if (!($ENV{'XCATCFG'}))
|
|
{
|
|
if (-e ($configfile))
|
|
{
|
|
open(CFGFILE, "<$configfile")
|
|
or xCAT::MsgUtils->message('S',
|
|
"Cannot open $configfile for DB access. \n");
|
|
foreach my $line (<CFGFILE>)
|
|
{
|
|
if (grep /XCATCFG/, $line)
|
|
{
|
|
my @cfg = split /XCATCFG=/, $line;
|
|
my @cfg2 = split /'/, $cfg[1];
|
|
chomp $cfg2[1];
|
|
$ENV{'XCATCFG'} = $cfg2[1];
|
|
close CFGFILE;
|
|
last;
|
|
}
|
|
}
|
|
if (!($ENV{'XCATCFG'}))
|
|
{ # no db setup
|
|
xCAT::MsgUtils->message('SE',
|
|
"/etc/sysconfig/xcat does not contain XCATCFG setup. \n");
|
|
return 1;
|
|
}
|
|
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
|
=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
|
|
=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)
|
|
{
|
|
$masternode = xCAT::Utils->GetMasterNodeName($nodename);
|
|
if (!($masternode))
|
|
{
|
|
xCAT::MsgUtils->message('S',
|
|
"Could not get Master for node $nodename\n");
|
|
return 1;
|
|
}
|
|
|
|
$et = xCAT::Utils->GetNodeOSARCH($nodename);
|
|
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 $rc;
|
|
}
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
|
=head3 isServiceReq
|
|
|
|
|
|
Checks to see if the input service is already setup on the node by
|
|
checking the /etc/xCATSN file for the service name. This is put in the file
|
|
by the service.pm plugin (e.g tftp.pm,dns.pm,...)
|
|
It then:
|
|
Checks the database to see if the input Service should be setup on the
|
|
input service node
|
|
Checks the noderes to see if this service node is a service node for any
|
|
node in the table. Any node that matches, it checks the service attribute
|
|
to see if this service node is the server, or if the attribute is blank, then
|
|
this service node is the server.
|
|
|
|
Input: service nodename, service,ipaddres(s) of service node
|
|
Output:
|
|
0 - no service required
|
|
1 - setup service
|
|
2 - service is setup, just start the daemon
|
|
-1 - error
|
|
Globals:
|
|
none
|
|
Error:
|
|
none
|
|
Example:
|
|
if (xCAT::Utils->isServiceReq($servicenodename, $service, $serviceip) { blah; }
|
|
|
|
=cut
|
|
|
|
#-----------------------------------------------------------------------------
|
|
sub isServiceReq
|
|
{
|
|
my ($class, $servicenodename, $service, $serviceip) = @_;
|
|
my @ips = @$serviceip; # list of service node ip addresses
|
|
my $rc=0;
|
|
# check if service is already setup
|
|
`grep $service /etc/xCATSN`;
|
|
if ($? == 0)
|
|
{ # service is already setup, just start daemon
|
|
return 2;
|
|
}
|
|
|
|
$rc = xCAT::Utils->exportDBConfig(); # export DB env
|
|
if ($rc != 0)
|
|
{
|
|
xCAT::MsgUtils->message('S', "Unable export DB environment.\n");
|
|
return -1;
|
|
|
|
}
|
|
|
|
# have this service setup
|
|
if (($service eq "dhcpserver") || ($service eq "nameservers"))
|
|
{
|
|
|
|
# get handle to networks table
|
|
my $networkstab = xCAT::Table->new('networks');
|
|
unless ($networkstab)
|
|
{
|
|
xCAT::MsgUtils->message('S', "Unable to open networks table.\n");
|
|
return -1;
|
|
}
|
|
foreach $serviceip (@ips)
|
|
{
|
|
my $whereclause =
|
|
"$service like '$servicenodename' or $service like '$serviceip'";
|
|
my @netlist =
|
|
$networkstab->getAllAttribsWhere($whereclause, 'netname',
|
|
$service);
|
|
if (@netlist)
|
|
{
|
|
return 1; # found an entry in the networks table for this node
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if ($service eq "cons")
|
|
{
|
|
|
|
# get handle to nodehm table
|
|
my $nodehmtab = xCAT::Table->new('nodehm');
|
|
unless ($nodehmtab)
|
|
{
|
|
xCAT::MsgUtils->message('S', "Unable to open nodehm table.\n");
|
|
return -1;
|
|
}
|
|
foreach $serviceip (@ips)
|
|
{
|
|
my $whereclause =
|
|
"node like '$servicenodename' or node like '$serviceip'";
|
|
my @nodelist =
|
|
$nodehmtab->getAllAttribsWhere($whereclause, 'node',
|
|
$service);
|
|
foreach my $node (@nodelist)
|
|
{
|
|
if ($node->{$service} ne "") # cons defined
|
|
{
|
|
return 1; # found cons defined for this server
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
else # other service TFTP,etc
|
|
{
|
|
|
|
# get handle to noderes table
|
|
my $noderestab = xCAT::Table->new('noderes');
|
|
unless ($noderestab)
|
|
{
|
|
xCAT::MsgUtils->message('S', "Unable to open noderes table.\n");
|
|
return -1;
|
|
}
|
|
foreach $serviceip (@ips)
|
|
{
|
|
my $whereclause =
|
|
"servicenode like '$servicenodename' or servicenode like '$serviceip'";
|
|
my @nodelist =
|
|
$noderestab->getAllAttribsWhere($whereclause, 'node',
|
|
$service);
|
|
foreach my $node (@nodelist)
|
|
{
|
|
foreach $serviceip (@ips)
|
|
{
|
|
if ( ($node->{$service} eq $servicenodename)
|
|
|| ($node->{$service} eq $serviceip)
|
|
|| ($node->{$service} eq ""))
|
|
{
|
|
return
|
|
1
|
|
; # found a node using this server for the service
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0; # did not find a node using this service for this servicenode
|
|
}
|
|
|
|
}
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
|
=head3 determinehostname and ip address(s)
|
|
|
|
Used on the service node to figure out what hostname and ip address(s)
|
|
the service node is in the database
|
|
Input: None
|
|
Output: ipaddress(s),nodename
|
|
=cut
|
|
|
|
#-----------------------------------------------------------------------------
|
|
sub determinehostname
|
|
{
|
|
my $hostname;
|
|
my $hostnamecmd = "/bin/hostname";
|
|
my @thostname = xCAT::Utils->runcmd($hostnamecmd, 0);
|
|
if ($::RUNCMD_RC != 0)
|
|
{ # could not get hostname
|
|
xCAT::MsgUtils->message("S",
|
|
"Error $::RUNCMD_RC from $hostnamecmd command\n");
|
|
exit $::RUNCMD_RC;
|
|
}
|
|
$hostname = $thostname[0];
|
|
|
|
# strip off domain, if there
|
|
my @shorthost = split(/\./, $hostname);
|
|
my @ips = xCAT::Utils->gethost_ips;
|
|
my @hostinfo = (@ips, $shorthost[0]);
|
|
|
|
return @hostinfo;
|
|
}
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
|
=head3 update_xCATSN
|
|
Will add the input service string to /etc/xCATSN to indicate that
|
|
the service has been setup by the service node
|
|
Input: service (e.g. tftp, nfs,etc)
|
|
Output: 0 = added, 1= already there
|
|
|
|
=cut
|
|
|
|
#-----------------------------------------------------------------------------
|
|
sub update_xCATSN
|
|
{
|
|
my ($class, $service) = @_;
|
|
my $file = "/etc/xCATSN";
|
|
my $rc = 0;
|
|
my $cmd = " grep $service $file";
|
|
xCAT::Utils->runcmd($cmd, -1);
|
|
if ($::RUNCMD_RC != 0)
|
|
{ # need to add
|
|
`echo $service >> /etc/xCATSN`;
|
|
}
|
|
else
|
|
{
|
|
$rc = 1;
|
|
}
|
|
return $rc;
|
|
}
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
|
=head3 gethost_ips
|
|
Will use ifconfig to determine all possible ip addresses for the
|
|
host it is running on
|
|
|
|
input:
|
|
output: array of ipaddress(s)
|
|
example: @ips=xCAT::gethost_ips();
|
|
|
|
=cut
|
|
|
|
#-----------------------------------------------------------------------------
|
|
sub gethost_ips
|
|
{
|
|
my ($class) = @_;
|
|
my $cmd;
|
|
my @ipaddress;
|
|
$cmd = "ifconfig" . " -a";
|
|
$cmd = $cmd . "| grep \"inet \"";
|
|
my @result = xCAT::Utils->runcmd($cmd, 0);
|
|
if ($::RUNCMD_RC != 0)
|
|
{
|
|
xCAT::MsgUtils->message("S", "Error from $cmd\n");
|
|
exit $::RUNCMD_RC;
|
|
}
|
|
foreach my $addr (@result)
|
|
{
|
|
my ($inet, $addr1, $Bcast, $Mask) = split(" ", $addr);
|
|
my @ip = split(":", $addr1);
|
|
push @ipaddress, $ip[1];
|
|
}
|
|
return @ipaddress;
|
|
}
|
|
#-----------------------------------------------------------------------------
|
|
|
|
=head3 create_postscripts_tar
|
|
|
|
This routine will tar and compress the /install/postscripts directory
|
|
and place in /install/autoinst/xcat_postscripts.Z
|
|
|
|
input: none
|
|
output:
|
|
example: $rc=xCAT::create_postscripts_tar();
|
|
|
|
=cut
|
|
|
|
#-----------------------------------------------------------------------------
|
|
sub create_postscripts_tar
|
|
{
|
|
my ($class) = @_;
|
|
my $cmd;
|
|
$cmd="cd /install/postscripts;tar -cjf /install/autoinst/xcatpost.tar.bz2 * .ssh/*";
|
|
my @result = xCAT::Utils->runcmd($cmd, 0);
|
|
if ($::RUNCMD_RC != 0)
|
|
{
|
|
xCAT::MsgUtils->message("S", "Error from $cmd\n");
|
|
return $::RUNCMD_RC;
|
|
}
|
|
return 0;
|
|
|
|
}
|
|
1;
|