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package fs::remote::nfs; # $Id: nfs.pm 254157 2009-03-17 16:13:42Z eugeni $
use strict;
use diagnostics;
use common;
use fs::remote;
use log;
our @ISA = 'fs::remote';
sub to_fstab_entry {
my ($class, $e) = @_;
$class->to_fstab_entry_raw($e, 'nfs');
}
sub comment_to_string {
my ($_class, $comment) = @_;
member($comment, qw(* 0.0.0.0/0.0.0.0 (everyone))) ? '' : $comment;
}
sub from_dev {
my ($_class, $dev) = @_;
$dev =~ m|(.*?):(.*)|;
}
sub to_dev_raw {
my ($_class, $server, $name) = @_;
$server . ':' . $name;
}
sub check {
my ($_class, $in) = @_;
$in->do_pkgs->ensure_binary_is_installed('nfs-utils-clients', 'showmount') or return;
require services;
services::start_not_running_service('portmap');
services::start('nfs-common'); #- TODO: once nfs-common is fixed, it could use start_not_running_service()
1;
}
sub find_servers {
open(my $F2, "rpcinfo-flushed -b mountd 2 |");
open(my $F3, "rpcinfo-flushed -b mountd 3 |");
common::nonblock($F2);
common::nonblock($F3);
my $domain = chomp_(`domainname`);
my ($s, %servers);
my $quit;
while (!$quit) {
$quit = 1;
sleep 1;
while ($s = <$F2> || <$F3>) {
$quit = 0;
my ($ip, $name) = $s =~ /(\S+)\s+(\S+)/ or log::explanations("bad line in rpcinfo output"), next;
$name =~ s/\.$//;
$domain && $name =~ s/\Q.$domain\E$//
|| $name =~ s/^([^.]*)\.local$/$1/;
$servers{$ip} ||= { ip => $ip, if_($name ne '(unknown)', name => $name) };
}
}
values %servers;
}
sub find_exports {
my ($_class, $server) = @_;
my @l;
run_program::raw({ timeout => 1 }, "showmount", '>', \@l, "--no-headers", "-e", $server->{ip} || $server->{name});
map { if_(/(\S+(\s*\S+)*)\s+(\S+)/, { name => $1, comment => $3, server => $server }) } @l;
}
1;
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