mirror of
https://git.proxmox.com/git/pve-common
synced 2025-07-26 18:13:57 +00:00
1047 lines
23 KiB
Perl
1047 lines
23 KiB
Perl
package PVE::INotify;
|
|
|
|
# todo: maybe we do not need update_file() ?
|
|
|
|
use strict;
|
|
use POSIX;
|
|
use IO::File;
|
|
use IO::Dir;
|
|
use File::stat;
|
|
use File::Basename;
|
|
use Fcntl qw(:DEFAULT :flock);
|
|
use PVE::SafeSyslog;
|
|
use PVE::Exception qw(raise_param_exc);
|
|
use PVE::Tools;
|
|
use Storable qw(dclone);
|
|
use Linux::Inotify2;
|
|
use base 'Exporter';
|
|
use JSON;
|
|
|
|
our @EXPORT_OK = qw(read_file write_file register_file);
|
|
|
|
my $ccache;
|
|
my $ccachemap;
|
|
my $ccacheregex;
|
|
my $inotify;
|
|
my $inotify_pid = 0;
|
|
my $versions;
|
|
my $shadowfiles = {
|
|
'/etc/network/interfaces' => '/etc/network/interfaces.new',
|
|
};
|
|
|
|
# to enable cached operation, you need to call 'inotify_init'
|
|
# inotify handles are a limited resource, so use with care (only
|
|
# enable the cache if you really need it)
|
|
|
|
# Note: please close the inotify handle after you fork
|
|
|
|
sub ccache_default_writer {
|
|
my ($filename, $data) = @_;
|
|
|
|
die "undefined config writer for '$filename' :ERROR";
|
|
}
|
|
|
|
sub ccache_default_parser {
|
|
my ($filename, $srcfd) = @_;
|
|
|
|
die "undefined config reader for '$filename' :ERROR";
|
|
}
|
|
|
|
sub ccache_compute_diff {
|
|
my ($filename, $shadow) = @_;
|
|
|
|
my $diff = '';
|
|
|
|
open (TMP, "diff -b -N -u '$filename' '$shadow'|");
|
|
|
|
while (my $line = <TMP>) {
|
|
$diff .= $line;
|
|
}
|
|
|
|
close (TMP);
|
|
|
|
$diff = undef if !$diff;
|
|
|
|
return $diff;
|
|
}
|
|
|
|
sub ccache_info {
|
|
my ($filename) = @_;
|
|
|
|
foreach my $uid (keys %$ccacheregex) {
|
|
my $ccinfo = $ccacheregex->{$uid};
|
|
my $dir = $ccinfo->{dir};
|
|
my $regex = $ccinfo->{regex};
|
|
if ($filename =~ m|^$dir/+$regex$|) {
|
|
if (!$ccache->{$filename}) {
|
|
my $cp = {};
|
|
while (my ($k, $v) = each %$ccinfo) {
|
|
$cp->{$k} = $v;
|
|
}
|
|
$ccache->{$filename} = $cp;
|
|
}
|
|
return ($ccache->{$filename}, $filename);
|
|
}
|
|
}
|
|
|
|
$filename = $ccachemap->{$filename} if defined ($ccachemap->{$filename});
|
|
|
|
die "file '$filename' not added :ERROR" if !defined ($ccache->{$filename});
|
|
|
|
return ($ccache->{$filename}, $filename);
|
|
}
|
|
|
|
sub write_file {
|
|
my ($fileid, $data, $full) = @_;
|
|
|
|
my ($ccinfo, $filename) = ccache_info($fileid);
|
|
|
|
my $writer = $ccinfo->{writer};
|
|
|
|
my $realname = $filename;
|
|
|
|
my $shadow;
|
|
if ($shadow = $shadowfiles->{$filename}) {
|
|
$realname = $shadow;
|
|
}
|
|
|
|
my $perm = $ccinfo->{perm} || 0644;
|
|
|
|
my $tmpname = "$realname.tmp.$$";
|
|
|
|
my $res;
|
|
eval {
|
|
my $fh = IO::File->new($tmpname, O_WRONLY|O_CREAT, $perm);
|
|
die "unable to open file '$tmpname' - $!\n" if !$fh;
|
|
|
|
$res = &$writer($filename, $fh, $data);
|
|
|
|
die "closing file '$tmpname' failed - $!\n" unless close $fh;
|
|
};
|
|
my $err = $@;
|
|
|
|
$ccinfo->{version} = undef;
|
|
|
|
if ($err) {
|
|
unlink $tmpname;
|
|
die $err;
|
|
}
|
|
|
|
if (!rename($tmpname, $realname)) {
|
|
my $msg = "close (rename) atomic file '$filename' failed: $!\n";
|
|
unlink $tmpname;
|
|
die $msg;
|
|
}
|
|
|
|
my $diff;
|
|
if ($shadow && $full) {
|
|
$diff = ccache_compute_diff ($filename, $shadow);
|
|
}
|
|
|
|
if ($full) {
|
|
return { data => $res, changes => $diff };
|
|
}
|
|
|
|
return $res;
|
|
}
|
|
|
|
sub update_file {
|
|
my ($fileid, $data, @args) = @_;
|
|
|
|
my ($ccinfo, $filename) = ccache_info($fileid);
|
|
|
|
my $update = $ccinfo->{update};
|
|
|
|
die "unable to update/merge data" if !$update;
|
|
|
|
my $lkfn = "$filename.lock";
|
|
|
|
my $timeout = 10;
|
|
|
|
my $fd;
|
|
|
|
my $code = sub {
|
|
|
|
$fd = IO::File->new ($filename, "r");
|
|
|
|
my $new = &$update($filename, $fd, $data, @args);
|
|
|
|
if (defined($new)) {
|
|
PVE::Tools::file_set_contents($filename, $new, $ccinfo->{perm});
|
|
} else {
|
|
unlink $filename;
|
|
}
|
|
};
|
|
|
|
PVE::Tools::lock_file($lkfn, $timeout, $code);
|
|
my $err = $@;
|
|
|
|
close($fd) if defined($fd);
|
|
|
|
die $err if $err;
|
|
|
|
return undef;
|
|
}
|
|
|
|
sub discard_changes {
|
|
my ($fileid, $full) = @_;
|
|
|
|
my ($ccinfo, $filename) = ccache_info($fileid);
|
|
|
|
if (my $copy = $shadowfiles->{$filename}) {
|
|
unlink $copy;
|
|
}
|
|
|
|
return read_file ($filename, $full);
|
|
}
|
|
|
|
sub read_file {
|
|
my ($fileid, $full) = @_;
|
|
|
|
my $parser;
|
|
|
|
my ($ccinfo, $filename) = ccache_info($fileid);
|
|
|
|
$parser = $ccinfo->{parser};
|
|
|
|
my $fd;
|
|
my $shadow;
|
|
|
|
poll() if $inotify; # read new inotify events
|
|
|
|
$versions->{$filename} = 0 if !defined ($versions->{$filename});
|
|
|
|
my $cver = $versions->{$filename};
|
|
|
|
if (my $copy = $shadowfiles->{$filename}) {
|
|
if ($fd = IO::File->new ($copy, "r")) {
|
|
$shadow = $copy;
|
|
} else {
|
|
$fd = IO::File->new ($filename, "r");
|
|
}
|
|
} else {
|
|
$fd = IO::File->new ($filename, "r");
|
|
}
|
|
|
|
my $acp = $ccinfo->{always_call_parser};
|
|
|
|
if (!$fd) {
|
|
$ccinfo->{version} = undef;
|
|
$ccinfo->{data} = undef;
|
|
$ccinfo->{diff} = undef;
|
|
return undef if !$acp;
|
|
}
|
|
|
|
my $noclone = $ccinfo->{noclone};
|
|
|
|
# file unchanged?
|
|
if (!$ccinfo->{nocache} &&
|
|
$inotify && $versions->{$filename} &&
|
|
defined ($ccinfo->{data}) &&
|
|
defined ($ccinfo->{version}) &&
|
|
($ccinfo->{readonce} ||
|
|
($ccinfo->{version} == $versions->{$filename}))) {
|
|
|
|
my $ret;
|
|
if (!$noclone && ref ($ccinfo->{data})) {
|
|
$ret->{data} = dclone ($ccinfo->{data});
|
|
} else {
|
|
$ret->{data} = $ccinfo->{data};
|
|
}
|
|
$ret->{changes} = $ccinfo->{diff};
|
|
|
|
return $full ? $ret : $ret->{data};
|
|
}
|
|
|
|
my $diff;
|
|
|
|
if ($shadow) {
|
|
$diff = ccache_compute_diff ($filename, $shadow);
|
|
}
|
|
|
|
my $res = &$parser($filename, $fd);
|
|
|
|
if (!$ccinfo->{nocache}) {
|
|
$ccinfo->{version} = $cver;
|
|
}
|
|
|
|
# we cache data with references, so we always need to
|
|
# dclone this data. Else the original data may get
|
|
# modified.
|
|
$ccinfo->{data} = $res;
|
|
|
|
# also store diff
|
|
$ccinfo->{diff} = $diff;
|
|
|
|
my $ret;
|
|
if (!$noclone && ref ($ccinfo->{data})) {
|
|
$ret->{data} = dclone ($ccinfo->{data});
|
|
} else {
|
|
$ret->{data} = $ccinfo->{data};
|
|
}
|
|
$ret->{changes} = $ccinfo->{diff};
|
|
|
|
return $full ? $ret : $ret->{data};
|
|
}
|
|
|
|
sub parse_ccache_options {
|
|
my ($ccinfo, %options) = @_;
|
|
|
|
foreach my $opt (keys %options) {
|
|
my $v = $options{$opt};
|
|
if ($opt eq 'readonce') {
|
|
$ccinfo->{$opt} = $v;
|
|
} elsif ($opt eq 'nocache') {
|
|
$ccinfo->{$opt} = $v;
|
|
} elsif ($opt eq 'shadow') {
|
|
$ccinfo->{$opt} = $v;
|
|
} elsif ($opt eq 'perm') {
|
|
$ccinfo->{$opt} = $v;
|
|
} elsif ($opt eq 'noclone') {
|
|
# noclone flag for large read-only data chunks like aplinfo
|
|
$ccinfo->{$opt} = $v;
|
|
} elsif ($opt eq 'always_call_parser') {
|
|
# when set, we call parser even when the file does not exists.
|
|
# this allows the parser to return some default
|
|
$ccinfo->{$opt} = $v;
|
|
} else {
|
|
die "internal error - unsupported option '$opt'";
|
|
}
|
|
}
|
|
}
|
|
|
|
sub register_file {
|
|
my ($id, $filename, $parser, $writer, $update, %options) = @_;
|
|
|
|
die "can't register file after initify_init" if $inotify;
|
|
|
|
die "file '$filename' already added :ERROR" if defined ($ccache->{$filename});
|
|
die "ID '$id' already used :ERROR" if defined ($ccachemap->{$id});
|
|
|
|
my $ccinfo = {};
|
|
|
|
$ccinfo->{id} = $id;
|
|
$ccinfo->{parser} = $parser || \&ccache_default_parser;
|
|
$ccinfo->{writer} = $writer || \&ccache_default_writer;
|
|
$ccinfo->{update} = $update;
|
|
|
|
parse_ccache_options($ccinfo, %options);
|
|
|
|
if ($options{shadow}) {
|
|
$shadowfiles->{$filename} = $options{shadow};
|
|
}
|
|
|
|
$ccachemap->{$id} = $filename;
|
|
$ccache->{$filename} = $ccinfo;
|
|
}
|
|
|
|
sub register_regex {
|
|
my ($dir, $regex, $parser, $writer, $update, %options) = @_;
|
|
|
|
die "can't register regex after initify_init" if $inotify;
|
|
|
|
my $uid = "$dir/$regex";
|
|
die "regular expression '$uid' already added :ERROR" if defined ($ccacheregex->{$uid});
|
|
|
|
my $ccinfo = {};
|
|
|
|
$ccinfo->{dir} = $dir;
|
|
$ccinfo->{regex} = $regex;
|
|
$ccinfo->{parser} = $parser || \&ccache_default_parser;
|
|
$ccinfo->{writer} = $writer || \&ccache_default_writer;
|
|
$ccinfo->{update} = $update;
|
|
|
|
parse_ccache_options($ccinfo, %options);
|
|
|
|
$ccacheregex->{$uid} = $ccinfo;
|
|
}
|
|
|
|
sub poll {
|
|
return if !$inotify;
|
|
|
|
if ($inotify_pid != $$) {
|
|
syslog ('err', "got inotify poll request in wrong process - disabling inotify");
|
|
$inotify = undef;
|
|
} else {
|
|
1 while $inotify && $inotify->poll;
|
|
}
|
|
}
|
|
|
|
sub flushcache {
|
|
foreach my $filename (keys %$ccache) {
|
|
$ccache->{$filename}->{version} = undef;
|
|
$ccache->{$filename}->{data} = undef;
|
|
$ccache->{$filename}->{diff} = undef;
|
|
}
|
|
}
|
|
|
|
sub inotify_close {
|
|
$inotify = undef;
|
|
}
|
|
|
|
sub inotify_init {
|
|
|
|
die "only one inotify instance allowed" if $inotify;
|
|
|
|
$inotify = Linux::Inotify2->new()
|
|
|| die "Unable to create new inotify object: $!";
|
|
|
|
$inotify->blocking (0);
|
|
|
|
$versions = {};
|
|
|
|
my $dirhash = {};
|
|
foreach my $fn (keys %$ccache) {
|
|
my $dir = dirname ($fn);
|
|
my $base = basename ($fn);
|
|
|
|
$dirhash->{$dir}->{$base} = $fn;
|
|
|
|
if (my $sf = $shadowfiles->{$fn}) {
|
|
$base = basename ($sf);
|
|
$dir = dirname ($sf);
|
|
$dirhash->{$dir}->{$base} = $fn; # change version of original file!
|
|
}
|
|
}
|
|
|
|
foreach my $uid (keys %$ccacheregex) {
|
|
my $ccinfo = $ccacheregex->{$uid};
|
|
$dirhash->{$ccinfo->{dir}}->{_regex} = 1;
|
|
}
|
|
|
|
$inotify_pid = $$;
|
|
|
|
foreach my $dir (keys %$dirhash) {
|
|
|
|
my $evlist = IN_MODIFY|IN_ATTRIB|IN_MOVED_FROM|IN_MOVED_TO|IN_DELETE|IN_CREATE;
|
|
$inotify->watch ($dir, $evlist, sub {
|
|
my $e = shift;
|
|
my $name = $e->name;
|
|
|
|
if ($inotify_pid != $$) {
|
|
syslog ('err', "got inotify event in wrong process");
|
|
}
|
|
|
|
if ($e->IN_ISDIR || !$name) {
|
|
return;
|
|
}
|
|
|
|
if ($e->IN_Q_OVERFLOW) {
|
|
syslog ('info', "got inotify overflow - flushing cache");
|
|
flushcache();
|
|
return;
|
|
}
|
|
|
|
if ($e->IN_UNMOUNT) {
|
|
syslog ('err', "got 'unmount' event on '$name' - disabling inotify");
|
|
$inotify = undef;
|
|
}
|
|
if ($e->IN_IGNORED) {
|
|
syslog ('err', "got 'ignored' event on '$name' - disabling inotify");
|
|
$inotify = undef;
|
|
}
|
|
|
|
if ($dirhash->{$dir}->{_regex}) {
|
|
foreach my $uid (keys %$ccacheregex) {
|
|
my $ccinfo = $ccacheregex->{$uid};
|
|
next if $dir ne $ccinfo->{dir};
|
|
my $regex = $ccinfo->{regex};
|
|
if ($regex && ($name =~ m|^$regex$|)) {
|
|
|
|
my $fn = "$dir/$name";
|
|
$versions->{$fn}++;
|
|
#print "VERSION:$fn:$versions->{$fn}\n";
|
|
}
|
|
}
|
|
} elsif (my $fn = $dirhash->{$dir}->{$name}) {
|
|
|
|
$versions->{$fn}++;
|
|
#print "VERSION:$fn:$versions->{$fn}\n";
|
|
}
|
|
});
|
|
}
|
|
|
|
foreach my $dir (keys %$dirhash) {
|
|
foreach my $name (keys %{$dirhash->{$dir}}) {
|
|
if ($name eq '_regex') {
|
|
foreach my $uid (keys %$ccacheregex) {
|
|
my $ccinfo = $ccacheregex->{$uid};
|
|
next if $dir ne $ccinfo->{dir};
|
|
my $re = $ccinfo->{regex};
|
|
if (my $fd = IO::Dir->new ($dir)) {
|
|
while (defined(my $de = $fd->read)) {
|
|
if ($de =~ m/^$re$/) {
|
|
my $fn = "$dir/$de";
|
|
$versions->{$fn}++; # init with version
|
|
#print "init:$fn:$versions->{$fn}\n";
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
my $fn = $dirhash->{$dir}->{$name};
|
|
$versions->{$fn}++; # init with version
|
|
#print "init:$fn:$versions->{$fn}\n";
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
my $cached_nodename;
|
|
|
|
sub nodename {
|
|
|
|
return $cached_nodename if $cached_nodename;
|
|
|
|
my ($sysname, $nodename) = POSIX::uname();
|
|
|
|
$nodename =~ s/\..*$//; # strip domain part, if any
|
|
|
|
die "unable to read node name\n" if !$nodename;
|
|
|
|
$cached_nodename = $nodename;
|
|
|
|
return $cached_nodename;
|
|
}
|
|
|
|
sub read_etc_hostname {
|
|
my ($filename, $fd) = @_;
|
|
|
|
my $hostname = <$fd>;
|
|
|
|
chomp $hostname;
|
|
|
|
$hostname =~ s/\..*$//; # strip domain part, if any
|
|
|
|
return $hostname;
|
|
}
|
|
|
|
sub write_etc_hostname {
|
|
my ($filename, $fh, $hostname) = @_;
|
|
|
|
die "write failed: $!" unless print $fh "$hostname\n";
|
|
|
|
return $hostname;
|
|
}
|
|
|
|
register_file('hostname', "/etc/hostname",
|
|
\&read_etc_hostname,
|
|
\&write_etc_hostname);
|
|
|
|
sub read_etc_resolv_conf {
|
|
my ($filename, $fh) = @_;
|
|
|
|
my $res = {};
|
|
|
|
my $nscount = 0;
|
|
while (my $line = <$fh>) {
|
|
chomp $line;
|
|
if ($line =~ m/^(search|domain)\s+(\S+)\s*/) {
|
|
$res->{search} = $2;
|
|
} elsif ($line =~ m/^nameserver\s+(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})\s*/) {
|
|
$nscount++;
|
|
if ($nscount <= 3) {
|
|
$res->{"dns$nscount"} = $1;
|
|
}
|
|
}
|
|
}
|
|
|
|
return $res;
|
|
}
|
|
|
|
sub update_etc_resolv_conf {
|
|
my ($filename, $fh, $resolv, @args) = @_;
|
|
|
|
my $data = "";
|
|
|
|
$data = "search $resolv->{search}\n"
|
|
if $resolv->{search};
|
|
|
|
my $written = {};
|
|
foreach my $k ("dns1", "dns2", "dns3") {
|
|
my $ns = $resolv->{$k};
|
|
if ($ns && $ns ne '0.0.0.0' && !$written->{$ns}) {
|
|
$written->{$ns} = 1;
|
|
$data .= "nameserver $ns\n";
|
|
}
|
|
}
|
|
|
|
while (my $line = <$fh>) {
|
|
next if $line =~ m/^(search|domain|nameserver)\s+/;
|
|
$data .= $line
|
|
}
|
|
|
|
return $data;
|
|
}
|
|
|
|
register_file('resolvconf', "/etc/resolv.conf",
|
|
\&read_etc_resolv_conf, undef,
|
|
\&update_etc_resolv_conf);
|
|
|
|
sub read_etc_timezone {
|
|
my ($filename, $fd) = @_;
|
|
|
|
my $timezone = <$fd>;
|
|
|
|
chomp $timezone;
|
|
|
|
return $timezone;
|
|
}
|
|
|
|
sub write_etc_timezone {
|
|
my ($filename, $fh, $timezone) = @_;
|
|
|
|
my $tzinfo = "/usr/share/zoneinfo/$timezone";
|
|
|
|
raise_param_exc({ 'timezone' => "No such timezone" })
|
|
if (! -f $tzinfo);
|
|
|
|
($timezone) = $timezone =~ m/^(.*)$/; # untaint
|
|
|
|
print $fh "$timezone\n";
|
|
|
|
unlink ("/etc/localtime");
|
|
symlink ("/usr/share/zoneinfo/$timezone", "/etc/localtime");
|
|
|
|
}
|
|
|
|
register_file('timezone', "/etc/timezone",
|
|
\&read_etc_timezone,
|
|
\&write_etc_timezone);
|
|
|
|
sub read_active_workers {
|
|
my ($filename, $fh) = @_;
|
|
|
|
return [] if !$fh;
|
|
|
|
my $res = [];
|
|
while (defined (my $line = <$fh>)) {
|
|
if ($line =~ m/^(\S+)\s(0|1)(\s([0-9A-Za-z]{8})(\s(\s*\S.*))?)?$/) {
|
|
my $upid = $1;
|
|
my $saved = $2;
|
|
my $endtime = $4;
|
|
my $status = $6;
|
|
if ((my $task = PVE::Tools::upid_decode($upid, 1))) {
|
|
$task->{upid} = $upid;
|
|
$task->{saved} = $saved;
|
|
$task->{endtime} = hex($endtime) if $endtime;
|
|
$task->{status} = $status if $status;
|
|
push @$res, $task;
|
|
}
|
|
} else {
|
|
warn "unable to parse line: $line";
|
|
}
|
|
}
|
|
|
|
return $res;
|
|
|
|
}
|
|
|
|
sub write_active_workers {
|
|
my ($filename, $fh, $tasklist) = @_;
|
|
|
|
my $raw = '';
|
|
foreach my $task (@$tasklist) {
|
|
my $upid = $task->{upid};
|
|
my $saved = $task->{saved} ? 1 : 0;
|
|
if ($task->{endtime}) {
|
|
if ($task->{status}) {
|
|
$raw .= sprintf("$upid $saved %08X $task->{status}\n", $task->{endtime});
|
|
} else {
|
|
$raw .= sprintf("$upid $saved %08X\n", $task->{endtime});
|
|
}
|
|
} else {
|
|
$raw .= "$upid $saved\n";
|
|
}
|
|
}
|
|
|
|
PVE::Tools::safe_print($filename, $fh, $raw) if $raw;
|
|
}
|
|
|
|
register_file('active', "/var/log/pve/tasks/active",
|
|
\&read_active_workers,
|
|
\&write_active_workers);
|
|
|
|
|
|
my $bond_modes = { 'balance-rr' => 0,
|
|
'active-backup' => 1,
|
|
'balance-xor' => 2,
|
|
'broadcast' => 3,
|
|
'802.3ad' => 4,
|
|
'balance-tlb' => 5,
|
|
'balance-alb' => 6,
|
|
};
|
|
|
|
#sub get_bond_modes {
|
|
# return $bond_modes;
|
|
#}
|
|
|
|
sub read_etc_network_interfaces {
|
|
my ($filename, $fh) = @_;
|
|
|
|
my $ifaces = {};
|
|
|
|
my $line;
|
|
|
|
if (my $fd2 = IO::File->new("/proc/net/dev", "r")) {
|
|
while (defined ($line = <$fd2>)) {
|
|
if ($line =~ m/^\s*(eth\d+):.*/) {
|
|
$ifaces->{$1}->{exists} = 1;
|
|
}
|
|
}
|
|
close($fd2);
|
|
}
|
|
|
|
# we try to keep order inside the file
|
|
my $priority = 2; # 1 is reserved for lo
|
|
|
|
# always add the vmbr0 bridge device
|
|
$ifaces->{vmbr0}->{exists} = 1;
|
|
|
|
if (my $fd2 = IO::File->new("/proc/net/if_inet6", "r")) {
|
|
while (defined ($line = <$fd2>)) {
|
|
if ($line =~ m/^[a-f0-9]{32}\s+[a-f0-9]{2}\s+[a-f0-9]{2}\s+[a-f0-9]{2}\s+[a-f0-9]{2}\s+(lo|eth\d+|vmbr\d+|bond\d+)$/) {
|
|
$ifaces->{$1}->{active} = 1;
|
|
}
|
|
}
|
|
close ($fd2);
|
|
}
|
|
|
|
my $gateway = 0;
|
|
|
|
while (defined ($line = <$fh>)) {
|
|
chomp ($line);
|
|
next if $line =~ m/^#/;
|
|
|
|
if ($line =~ m/^auto\s+(.*)$/) {
|
|
my @aa = split (/\s+/, $1);
|
|
|
|
foreach my $a (@aa) {
|
|
$ifaces->{$a}->{autostart} = 1;
|
|
}
|
|
|
|
} elsif ($line =~ m/^iface\s+(\S+)\s+inet\s+(\S+)\s*$/) {
|
|
my $i = $1;
|
|
$ifaces->{$i}->{method} = $2;
|
|
$ifaces->{$i}->{priority} = $priority++;
|
|
|
|
my $d = $ifaces->{$i};
|
|
while (defined ($line = <$fh>)) {
|
|
if ($line =~ m/^\s*#(.*)\s*$/) {
|
|
# NOTE: we use 'comments' instead of 'comment' to
|
|
# avoid automatic utf8 conversion
|
|
$d->{comments} = '' if !$d->{comments};
|
|
$d->{comments} .= "$1\n";
|
|
} elsif ($line =~ m/^\s+((\S+)\s+(.+))$/) {
|
|
my $option = $1;
|
|
my ($id, $value) = ($2, $3);
|
|
if (($id eq 'address') || ($id eq 'netmask') || ($id eq 'broadcast')) {
|
|
$d->{$id} = $value;
|
|
} elsif ($id eq 'gateway') {
|
|
$d->{$id} = $value;
|
|
$gateway = 1;
|
|
} elsif ($id eq 'slaves' || $id eq 'bridge_ports') {
|
|
my $devs = {};
|
|
foreach my $p (split (/\s+/, $value)) {
|
|
next if $p eq 'none';
|
|
$devs->{$p} = 1;
|
|
}
|
|
my $str = join (' ', sort keys %{$devs});
|
|
$d->{$id} = $str || '';
|
|
} elsif ($id eq 'bridge_stp') {
|
|
if ($value =~ m/^\s*(on|yes)\s*$/i) {
|
|
$d->{$id} = 'on';
|
|
} else {
|
|
$d->{$id} = 'off';
|
|
}
|
|
} elsif ($id eq 'bridge_fd') {
|
|
$d->{$id} = $value;
|
|
} elsif ($id eq 'bond_miimon') {
|
|
$d->{$id} = $value;
|
|
} elsif ($id eq 'bond_mode') {
|
|
# always use names
|
|
foreach my $bm (keys %$bond_modes) {
|
|
my $id = $bond_modes->{$bm};
|
|
if ($id eq $value) {
|
|
$value = $bm;
|
|
last;
|
|
}
|
|
}
|
|
$d->{$id} = $value;
|
|
} else {
|
|
push @{$d->{options}}, $option;
|
|
}
|
|
} else {
|
|
last;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
if (!$gateway) {
|
|
$ifaces->{vmbr0}->{gateway} = '';
|
|
}
|
|
|
|
if (!$ifaces->{lo}) {
|
|
$ifaces->{lo}->{priority} = 1;
|
|
$ifaces->{lo}->{method} = 'loopback';
|
|
$ifaces->{lo}->{type} = 'loopback';
|
|
$ifaces->{lo}->{autostart} = 1;
|
|
}
|
|
|
|
foreach my $iface (keys %$ifaces) {
|
|
my $d = $ifaces->{$iface};
|
|
if ($iface =~ m/^bond\d+$/) {
|
|
$d->{type} = 'bond';
|
|
} elsif ($iface =~ m/^vmbr\d+$/) {
|
|
$d->{type} = 'bridge';
|
|
if (!defined ($d->{bridge_fd})) {
|
|
$d->{bridge_fd} = 0;
|
|
}
|
|
if (!defined ($d->{bridge_stp})) {
|
|
$d->{bridge_stp} = 'off';
|
|
}
|
|
} elsif ($iface =~ m/^(\S+):\d+$/) {
|
|
$d->{type} = 'alias';
|
|
if (defined ($ifaces->{$1})) {
|
|
$d->{exists} = $ifaces->{$1}->{exists};
|
|
} else {
|
|
$ifaces->{$1}->{exists} = 0;
|
|
$d->{exists} = 0;
|
|
}
|
|
} elsif ($iface =~ m/^eth\d+$/) {
|
|
$d->{type} = 'eth';
|
|
} elsif ($iface =~ m/^lo$/) {
|
|
$d->{type} = 'loopback';
|
|
} else {
|
|
$d->{type} = 'unknown';
|
|
}
|
|
|
|
$d->{method} = 'manual' if !$d->{method};
|
|
}
|
|
|
|
return $ifaces;
|
|
}
|
|
|
|
sub __interface_to_string {
|
|
my ($iface, $d) = @_;
|
|
|
|
return '' if !($d && $d->{method});
|
|
|
|
my $raw = '';
|
|
|
|
if ($d->{autostart}) {
|
|
$raw .= "auto $iface\n";
|
|
}
|
|
$raw .= "iface $iface inet $d->{method}\n";
|
|
$raw .= "\taddress $d->{address}\n" if $d->{address};
|
|
$raw .= "\tnetmask $d->{netmask}\n" if $d->{netmask};
|
|
$raw .= "\tgateway $d->{gateway}\n" if $d->{gateway};
|
|
$raw .= "\tbroadcast $d->{broadcast}\n" if $d->{broadcast};
|
|
|
|
if ($d->{bridge_ports} || ($iface =~ m/^vmbr\d+$/)) {
|
|
my $ports = $d->{bridge_ports} || 'none';
|
|
$raw .= "\tbridge_ports $ports\n";
|
|
}
|
|
|
|
if ($d->{bridge_stp} || ($iface =~ m/^vmbr\d+$/)) {
|
|
my $v = $d->{bridge_stp};
|
|
$v = defined ($v) ? $v : 'off';
|
|
$raw .= "\tbridge_stp $v\n";
|
|
}
|
|
|
|
if (defined ($d->{bridge_fd}) || ($iface =~ m/^vmbr\d+$/)) {
|
|
my $v = $d->{bridge_fd};
|
|
$v = defined ($v) ? $v : 0;
|
|
$raw .= "\tbridge_fd $v\n";
|
|
}
|
|
|
|
if ($d->{slaves} || ($iface =~ m/^bond\d+$/)) {
|
|
my $slaves = $d->{slaves} || 'none';
|
|
$raw .= "\tslaves $slaves\n";
|
|
}
|
|
|
|
if (defined ($d->{'bond_miimon'}) || ($iface =~ m/^bond\d+$/)) {
|
|
my $v = $d->{'bond_miimon'};
|
|
$v = defined ($v) ? $v : 100;
|
|
$raw .= "\tbond_miimon $v\n";
|
|
}
|
|
|
|
if (defined ($d->{'bond_mode'}) || ($iface =~ m/^bond\d+$/)) {
|
|
my $v = $d->{'bond_mode'};
|
|
$v = defined ($v) ? $v : 'balance-rr';
|
|
$raw .= "\tbond_mode $v\n";
|
|
}
|
|
|
|
foreach my $option (@{$d->{options}}) {
|
|
$raw .= "\t$option\n";
|
|
}
|
|
|
|
# add comments
|
|
my $comments = $d->{comments} || '';
|
|
foreach my $cl (split(/\n/, $comments)) {
|
|
$raw .= "#$cl\n";
|
|
}
|
|
|
|
$raw .= "\n";
|
|
|
|
return $raw;
|
|
}
|
|
|
|
sub write_etc_network_interfaces {
|
|
my ($filename, $fh, $ifaces) = @_;
|
|
|
|
my $raw = "# network interface settings\n";
|
|
|
|
my $printed = {};
|
|
|
|
my $if_type_hash = {
|
|
loopback => 10,
|
|
eth => 20,
|
|
bond => 30,
|
|
bridge => 40,
|
|
};
|
|
|
|
my $lookup_type_prio = sub {
|
|
my $iface = shift;
|
|
|
|
my $alias = 0;
|
|
if ($iface =~ m/^(\S+):\d+$/) {
|
|
$iface = $1;
|
|
$alias = 1;
|
|
}
|
|
|
|
my $pri;
|
|
if ($iface eq 'lo') {
|
|
$pri = $if_type_hash->{loopback};
|
|
} elsif ($iface =~ m/^eth\d+$/) {
|
|
$pri = $if_type_hash->{eth} + $alias;
|
|
} elsif ($iface =~ m/^bond\d+$/) {
|
|
$pri = $if_type_hash->{bond} + $alias;
|
|
} elsif ($iface =~ m/^vmbr\d+$/) {
|
|
$pri = $if_type_hash->{bridge} + $alias;
|
|
}
|
|
|
|
return $pri || ($if_type_hash->{unknown} + $alias);
|
|
};
|
|
|
|
foreach my $iface (sort {
|
|
my $ref1 = $ifaces->{$a};
|
|
my $ref2 = $ifaces->{$b};
|
|
my $p1 = &$lookup_type_prio($a);
|
|
my $p2 = &$lookup_type_prio($b);
|
|
|
|
return $p1 <=> $p2 if $p1 != $p2;
|
|
|
|
$p1 = $ref1->{priority} || 100000;
|
|
$p2 = $ref2->{priority} || 100000;
|
|
|
|
return $p1 <=> $p2 if $p1 != $p2;
|
|
|
|
return $a cmp $b;
|
|
} keys %$ifaces) {
|
|
|
|
my $d = $ifaces->{$iface};
|
|
|
|
next if $printed->{$iface};
|
|
|
|
$printed->{$iface} = 1;
|
|
$raw .= __interface_to_string($iface, $d);
|
|
}
|
|
|
|
PVE::Tools::safe_print($filename, $fh, $raw);
|
|
}
|
|
|
|
register_file('interfaces', "/etc/network/interfaces",
|
|
\&read_etc_network_interfaces,
|
|
\&write_etc_network_interfaces);
|
|
|
|
|
|
sub read_iscsi_initiatorname {
|
|
my ($filename, $fd) = @_;
|
|
|
|
while (defined(my $line = <$fd>)) {
|
|
if ($line =~ m/^InitiatorName=(\S+)$/) {
|
|
return $1;
|
|
}
|
|
}
|
|
|
|
return 'undefined';
|
|
}
|
|
|
|
register_file('initiatorname', "/etc/iscsi/initiatorname.iscsi",
|
|
\&read_iscsi_initiatorname);
|
|
|
|
sub read_apt_auth {
|
|
my ($filename, $fd) = @_;
|
|
|
|
local $/;
|
|
|
|
my $raw = <$fd>;
|
|
|
|
$raw =~ s/^\s+//;
|
|
|
|
|
|
my @tokens = split(/\s+/, $raw);
|
|
|
|
my $data = {};
|
|
|
|
my $machine;
|
|
while (defined(my $tok = shift @tokens)) {
|
|
|
|
$machine = shift @tokens if $tok eq 'machine';
|
|
next if !$machine;
|
|
$data->{$machine} = {} if !$data->{$machine};
|
|
|
|
$data->{$machine}->{login} = shift @tokens if $tok eq 'login';
|
|
$data->{$machine}->{password} = shift @tokens if $tok eq 'password';
|
|
};
|
|
|
|
return $data;
|
|
}
|
|
|
|
my $format_apt_auth_data = sub {
|
|
my $data = shift;
|
|
|
|
my $raw = '';
|
|
|
|
foreach my $machine (sort keys %$data) {
|
|
my $d = $data->{$machine};
|
|
$raw .= "machine $machine\n";
|
|
$raw .= " login $d->{login}\n" if $d->{login};
|
|
$raw .= " password $d->{password}\n" if $d->{password};
|
|
$raw .= "\n";
|
|
}
|
|
|
|
return $raw;
|
|
};
|
|
|
|
sub write_apt_auth {
|
|
my ($filename, $fh, $data) = @_;
|
|
|
|
my $raw = &$format_apt_auth_data($data);
|
|
|
|
die "write failed: $!" unless print $fh "$raw\n";
|
|
|
|
return $data;
|
|
}
|
|
|
|
sub update_apt_auth {
|
|
my ($filename, $fh, $data) = @_;
|
|
|
|
my $orig = read_apt_auth($filename, $fh);
|
|
|
|
foreach my $machine (keys %$data) {
|
|
$orig->{$machine} = $data->{$machine};
|
|
}
|
|
|
|
return &$format_apt_auth_data($orig);
|
|
}
|
|
|
|
register_file('apt-auth', "/etc/apt/auth.conf",
|
|
\&read_apt_auth, \&write_apt_auth,
|
|
\&update_apt_auth);
|
|
|
|
1;
|