xCAT/xcat-core
2
0
Fork 0
mirror of https://github.com/xcat2/xcat-core.git synced 2025-10-31 11:22:27 +00:00
Code Issues Releases Wiki Activity

fix makehosts command to be able to specify if long name comes before short name or not. And remove the duplicate entries. And enable adding hosts for different domains

Browse Source 
git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@3072 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
This commit is contained in:
linggao
2009-04-02 21:38:45 +00:00
parent 61113c2fe0
commit b89478cd64
2 changed files with 73 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
xCAT-client/pods/man8/makehosts.8.pod
View File

@@ -4,7 +4,7 @@ B<makehosts> - sets up /etc/hosts from the xCAT hosts table.
=head1 SYNOPSIS
B<makehosts> [B<-n>] [I<noderange>]
B<makehosts> [B<-n>] [I<noderange>] [B<-l>|B<--longnamefirst>]
B<makehosts> {B<-h>|B<--help>}
@@ -23,6 +23,11 @@ in the hosts table and then easily generate /etc/hosts using makehosts.
Completely replace the /etc/hosts file, losing any previous content. If this option is not specified,
it will only replace the lines in the file that correspond to the nodes in the specified noderange.
=item B<-l>|B<--longnamefirst>
The long name of the host will appear before the short name for each host in the /etc/hosts file.
The default is short name first.
=back
=head1 EXAMPLES

85
xCAT-server/lib/xcat/plugins/hosts.pm
View File

@@ -5,12 +5,15 @@ use warnings;
use xCAT::Table;
use Data::Dumper;
use File::Copy;
use Getopt::Long;
my @hosts; #Hold /etc/hosts data to be written back
my $LONGNAME;
my %usage=(
makehosts => "Usage: makehosts [-n] <noderange>",
makehosts => "Usage: makehosts <noderange> [-n] [-l]\n makehosts -h",
);
sub handled_commands {
return {
@@ -31,26 +34,76 @@ sub addnode {
while ($idx <= $#hosts) {
if ($hosts[$idx] =~ /^${ip}\s/ or $hosts[$idx] =~ /^\d+\.\d+\.\d+\.\d+\s+${node}\s/) {
#TODO: if foundone, delete a dupe
if ($domain and $node !~ /\./) {
$hosts[$idx] = "$ip $node.$domain $node $othernames\n";
} else {
$hosts[$idx] = "$ip $node $othernames\n";
}
$hosts[$idx]=build_line($ip, $node, $domain, $othernames);
$foundone=1;
return;
}
$idx++;
}
if ($foundone) { return;}
if ($domain and $node !~ /\./) {
push @hosts,"$ip $node.$domain $node $othernames\n";
} else {
push @hosts,"$ip $node $othernames\n";
}
push @hosts,"$ip $node $othernames\n";
my $line=build_line($ip, $node, $domain, $othernames);
push @hosts, $line;
}
sub build_line {
my $ip=shift;
my $node=shift;
my $domain=shift;
my $othernames=shift;
my @o_names=split(/,| /, $othernames);
my $longname;
foreach (@o_names) {
if (($_ eq $node) || ( $domain && ($_ eq "$node.$domain"))) {
$longname="$node.$domain";
$_="";
} elsif ( $_ =~ /\./) {
if (!$longname) {
$longname=$_;
$_="";
}
}
}
if ($domain && !$longname) {
$longname="$node.$domain";
}
$othernames=join(' ', @o_names);
if ($LONGNAME) { return "$ip $longname $node $othernames\n"; }
else { return "$ip $node $longname $othernames\n"; }
}
sub process_request {
Getopt::Long::Configure("bundling") ;
$Getopt::Long::ignorecase=0;
Getopt::Long::Configure("no_pass_through");
my $req = shift;
my $callback = shift;
my $HELP;
my $REMOVE;
# parse the options
if ($req && $req->{arg}) {@ARGV = @{$req->{arg}};}
else { @ARGV = (); }
print "argv=@ARGV\n";
if(!GetOptions(
'h|help' => \$HELP,
'n' => \$REMOVE,
'l|longnamefirst' => \$LONGNAME,))
{
$callback->({data=>$usage{makehosts}});
return;
}
# display the usage if -h
if ($HELP) {
$callback->({data=>$usage{makehosts}});
return;
}
my $hoststab = xCAT::Table->new('hosts');
my $sitetab = xCAT::Table->new('site');
my $domain;
@@ -62,11 +115,7 @@ sub process_request {
}
@hosts = ();
if (grep /-h/,@{$req->{arg}}) {
$callback->({data=>$usage{makehosts}});
return;
}
if (grep /-n/,@{$req->{arg}}) {
if ($REMOVE) {
if (-e "/etc/hosts") {
my $bakname = "/etc/hosts.xcatbak";
rename("/etc/hosts",$bakname);