-Fix pping handling of FQDN-first /etc/hosts entries

-Have nodestat use nmap instead of fping/homegrown code
-Require nmap instead of fping


git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@3093 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
This commit is contained in:
jbjohnso 2009-04-04 01:00:38 +00:00
parent a9403e6d00
commit 17bf1798b7
5 changed files with 77 additions and 111 deletions

View File

@ -86,10 +86,20 @@ foreach (@nodes) {
$deadnodes{$_}=1;
}
open (FPING, "nmap -sP ".join(' ',@nodes). " 2> /dev/null|") or die("Cannot open nmap pipe: $!");
my $node;
while (<FPING>) {
if (/Host (.*) \(.*\) appears to be up/) {
print "$1: ping\n";
delete $deadnodes{$1};
$node=$1;
unless ($deadnodes{$node}) {
foreach (keys %deadnodes) {
if ($node =~ /^$_\./) {
$node = $_;
last;
}
}
}
delete $deadnodes{$node};
print "$node: ping\n";
}
}
foreach (sort keys %deadnodes) {

View File

@ -21,7 +21,7 @@ Provides: xCAT-client = %{version}
# fping is needed by pping (in case xCAT-client is installed by itself on a remote client)
%ifos linux
Requires: fping
Requires: nmap
%endif
%description

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@ -6,6 +6,7 @@ use Socket;
use IO::Handle;
use Getopt::Long;
my $stat;
my %portservices;
sub handled_commands {
return {
@ -13,28 +14,6 @@ sub handled_commands {
};
}
sub pinghost {
my $node = shift;
my $rc = system("ping -q -n -c 1 -w 1 $node > /dev/null");
if ($rc == 0) {
return 1;
} else {
return 0;
}
}
sub nodesockopen {
my $node = shift;
my $port = shift;
my $socket;
my $addr = gethostbyname($node);
my $sin = sockaddr_in($port,$addr);
my $proto = getprotobyname('tcp');
socket($socket,PF_INET,SOCK_STREAM,$proto) || return 0;
connect($socket,$sin) || return 0;
return 1;
}
sub installer_query {
my $node = shift;
my $destport = 3001;
@ -128,40 +107,20 @@ sub preprocess_request
}
}
return \@requests;
}
sub interrogate_node { #Meant to run against confirmed up nodes
my $node=shift;
my $doreq=shift;
my $status = "";
if (nodesockopen($node,15002)) {
$status.="pbs,"
}
if (nodesockopen($node,8002)) {
$status.="xend,"
}
if (nodesockopen($node,22)) {
$status.="sshd,"
}
$status =~ s/,$//;
if ($status) {
return $status;
}
if ($status = installer_query($node)) {
return $status;
} else { #pingable, but no *clue* as to what the state may be
$doreq->({command=>['nodeset'],
node=>[$node],
arg=>['stat']},
\&getstat);
return 'ping '.$stat;
}
return 0;
}
sub process_request {
my $request = shift;
my $callback = shift;
my $doreq = shift;
%portservices = (
'22' => 'ssh',
'15002' => 'pbs',
'8002' => 'xend',
);
my @livenodes;
$statselect = new IO::Select;
my @nodes = @{$request->{node}};
my %unknownnodes;
foreach (@nodes) {
@ -171,69 +130,66 @@ sub process_request {
if( !defined $packed_ip) {
my %rsp;
$rsp{name}=[$_];
$rsp{data} = [ "Please make sure $_ exists in /etc/hosts" ];
$rsp{data} = [ "Please make sure $_ exists in /etc/hosts or DNS" ];
$callback->({node=>[\%rsp]});
}
}
my $node;
my $fping;
open($fping,"fping ".join(' ',@nodes). " 2> /dev/null|") or die("Can't start fping: $!");
while (<$fping>) {
my %rsp;
my $node=$_;
$node =~ s/ .*//;
chomp $node;
if (/ is alive/) {
$rsp{name}=[$node];
$rsp{data} = [ interrogate_node($node,$doreq) ];
$callback->({node=>[\%rsp]});
} elsif (/is unreachable/) {
$rsp{name}=[$node];
$rsp{data} = [ 'noping' ];
$callback->({node=>[\%rsp]});
} elsif (/ address not found/) {
$rsp{name}=[$node];
$rsp{data} = [ 'nosuchhost' ];
$callback->({node=>[\%rsp]});
}
}
@nodes=();
foreach $node (@nodes) {
my %rsp;
my $text="";
$rsp{name}=[$node];
unless (pinghost($node)) {
$rsp{data} = [ 'noping' ];
$callback->({node=>[\%rsp]});
next;
}
if (nodesockopen($node,15002)) {
$rsp{data} = [ 'pbs' ];
$callback->({node=>[\%rsp]});
next;
} elsif (nodesockopen($node,8002)) {
$rsp{data} = [ 'xend' ];
$callback->({node=>[\%rsp]});
next;
} elsif (nodesockopen($node,22)) {
$rsp{data} = [ 'sshd' ];
$callback->({node=>[\%rsp]});
next;
} elsif ($text = installer_query($node)) {
$rsp{data} = [ $text ];
$callback->({node=>[\%rsp]});
next;
} else {
$doreq->({command=>['nodeset'],
node=>[$node],
arg=>['stat']},
\&getstat);
$rsp{data} = [ 'ping '.$stat ];
$callback->({node=>[\%rsp]});
next;
}
my $ports = join ',',keys %portservices;
my %deadnodes;
foreach (@nodes) {
$deadnodes{$_}=1;
}
open($fping,"nmap -p $ports ".join(' ',@nodes). " 2> /dev/null|") or die("Can't start nmap: $!");
my $currnode='';
my $port;
my $state;
my %states;
my %rsp;
while (<$fping>) {
if (/Interesting ports on ([^ ]*) /) {
$currnode=$1;
unless ($deadnodes{$1}) {
foreach (keys %deadnodes) {
if ($currnode =~ /^$_\./) {
$currnode = $_;
last;
}
}
}
delete $deadnodes{$currnode};
} elsif ($currnode) {
if (/^MAC/) {
$rsp{name}=[$currnode];
my $status = join ',',sort keys %states ;
unless ($status or $status = installer_query($currnode)) { #pingable, but no *clue* as to what the state may be
$doreq->({command=>['nodeset'],
node=>[$currnode],
arg=>['stat']},
\&getstat);
$status= 'ping '.$stat;
}
$rsp{data} = [ $status ];
$callback->({node=>[\%rsp]});
$currnode="";
%states=();
next;
}
if (/^PORT/) { next; }
($port,$state) = split;
if ($port =~ /^(\d*)\// and $state eq 'open') {
$states{$portservices{$1}}=1;
}
}
}
foreach $currnode (sort keys %deadnodes) {
$rsp{name}=[$currnode];
$rsp{data} = [ 'noping' ];
$callback->({node=>[\%rsp]});
}
}
sub usage
{

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@ -19,7 +19,7 @@ Requires: xCAT-server xCAT-client perl-DBD-SQLite
%ifos linux
# yaboot-xcat is pulled in so any MN can manage ppc nodes
Requires: atftp dhcp httpd nfs-utils expect fping bind perl-XML-Parser vsftpd yaboot-xcat
Requires: atftp dhcp httpd nfs-utils expect nmap bind perl-XML-Parser vsftpd yaboot-xcat
%ifarch s390x
# No additional requires for zLinux right now
%else

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@ -18,7 +18,7 @@ Requires: xCAT-server xCAT-client perl-xCAT perl-XML-Parser
%ifos linux
# yaboot-xcat is pulled in so any SN can manage ppc nodes
Requires: atftp dhcp httpd nfs-utils expect fping bind yaboot-xcat
Requires: atftp dhcp httpd nfs-utils expect nmap bind yaboot-xcat
%ifarch s390x
# No additional requires for zLinux right now
%else