+++ /dev/null
-package PVE::INotify;
-
-# todo: maybe we do not need update_file() ?
-
-use strict;
-use warnings;
-
-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 '$filename' after inotify_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,
- };
-
-my $ovs_bond_modes = {
- 'active-backup' => 1,
- 'balance-slb' => 1,
- 'lacp-balance-slb' => 1,
- 'lacp-balance-tcp' => 1,
-};
-
-#sub get_bond_modes {
-# return $bond_modes;
-#}
-
-my $parse_ovs_option = sub {
- my ($data) = @_;
-
- my $opts = {};
- foreach my $kv (split (/\s+/, $data || '')) {
- my ($k, $v) = split('=', $kv, 2);
- $opts->{$k} = $v if $k && $v;
- }
- return $opts;
-};
-
-my $set_ovs_option = sub {
- my ($d, %params) = @_;
-
- my $opts = &$parse_ovs_option($d->{ovs_options});
-
- foreach my $k (keys %params) {
- my $v = $params{$k};
- if ($v) {
- $opts->{$k} = $v;
- } else {
- delete $opts->{$k};
- }
- }
-
- my $res = [];
- foreach my $k (keys %$opts) {
- push @$res, "$k=$opts->{$k}";
- }
-
- if (my $new = join(' ', @$res)) {
- $d->{ovs_options} = $new;
- return $d->{ovs_options};
- } else {
- delete $d->{ovs_options};
- return undef;
- }
-};
-
-my $extract_ovs_option = sub {
- my ($d, $name) = @_;
-
- my $opts = &$parse_ovs_option($d->{ovs_options});
-
- my $v = delete $opts->{$name};
-
- my $res = [];
- foreach my $k (keys %$opts) {
- push @$res, "$k=$opts->{$k}";
- }
-
- if (my $new = join(' ', @$res)) {
- $d->{ovs_options} = $new;
- } else {
- delete $d->{ovs_options};
- }
-
- return $v;
-};
-
-sub read_etc_network_interfaces {
- my ($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
-
- 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 'ovs_type' || $id eq 'ovs_options'|| $id eq 'ovs_bridge' ||
- $id eq 'ovs_bonds' || $id eq 'ovs_ports') {
- $d->{$id} = $value;
- } elsif ($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_xmit_hash_policy') {
- $d->{$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}}, $option;
- }
- } else {
- last;
- }
- }
- }
- }
-
-
-
- if (!$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 ($iface =~ m/^bond\d+$/) {
- if (!$d->{ovs_type}) {
- $d->{type} = 'bond';
- } elsif ($d->{ovs_type} eq 'OVSBond') {
- $d->{type} = $d->{ovs_type};
- # translate: ovs_options => bond_mode
- $d->{'bond_mode'} = &$extract_ovs_option($d, 'bond_mode');
- my $lacp = &$extract_ovs_option($d, 'lacp');
- if ($lacp && $lacp eq 'active') {
- if ($d->{'bond_mode'} eq 'balance-slb') {
- $d->{'bond_mode'} = 'lacp-balance-slb';
- }
- }
- # Note: balance-tcp needs lacp
- if ($d->{'bond_mode'} eq 'balance-tcp') {
- $d->{'bond_mode'} = 'lacp-balance-tcp';
- }
- my $tag = &$extract_ovs_option($d, 'tag');
- $d->{ovs_tag} = $tag if defined($tag);
- } else {
- $d->{type} = 'unknown';
- }
- } elsif ($iface =~ m/^vmbr\d+$/) {
- if (!$d->{ovs_type}) {
- $d->{type} = 'bridge';
-
- if (!defined ($d->{bridge_fd})) {
- $d->{bridge_fd} = 0;
- }
- if (!defined ($d->{bridge_stp})) {
- $d->{bridge_stp} = 'off';
- }
- } elsif ($d->{ovs_type} eq 'OVSBridge') {
- $d->{type} = $d->{ovs_type};
- } else {
- $d->{type} = 'unknown';
- }
- } elsif ($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+$/) {
- if (!$d->{ovs_type}) {
- $d->{type} = 'eth';
- } elsif ($d->{ovs_type} eq 'OVSPort') {
- $d->{type} = $d->{ovs_type};
- my $tag = &$extract_ovs_option($d, 'tag');
- $d->{ovs_tag} = $tag if defined($tag);
- } else {
- $d->{type} = 'unknown';
- }
- } elsif ($iface =~ m/^lo$/) {
- $d->{type} = 'loopback';
- } else {
- if (!$d->{ovs_type}) {
- $d->{type} = 'unknown';
- } elsif ($d->{ovs_type} eq 'OVSIntPort') {
- $d->{type} = $d->{ovs_type};
- my $tag = &$extract_ovs_option($d, 'tag');
- $d->{ovs_tag} = $tag if defined($tag);
- }
- }
-
- $d->{method} = 'manual' if !$d->{method};
- }
-
- 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+(\S+)$/) {
- $ifaces->{$1}->{active} = 1 if defined($ifaces->{$1});
- }
- }
- close ($fd2);
- }
-
- return $ifaces;
-}
-
-sub __interface_to_string {
- my ($iface, $d) = @_;
-
- return '' if !($d && $d->{method});
-
- my $raw = '';
-
- $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};
-
- my $done = { type => 1, priority => 1, method => 1, active => 1, exists => 1,
- comments => 1, autostart => 1, options => 1,
- address => 1, netmask => 1, gateway => 1, broadcast => 1 };
-
- if ($d->{type} eq 'bridge') {
-
- my $ports = $d->{bridge_ports} || 'none';
- $raw .= "\tbridge_ports $ports\n";
- $done->{bridge_ports} = 1;
-
- my $v = defined($d->{bridge_stp}) ? $d->{bridge_stp} : 'off';
- $raw .= "\tbridge_stp $v\n";
- $done->{bridge_stp} = 1;
-
- $v = defined($d->{bridge_fd}) ? $d->{bridge_fd} : 0;
- $raw .= "\tbridge_fd $v\n";
- $done->{bridge_fd} = 1;
-
- } elsif ($d->{type} eq 'bond') {
-
- my $slaves = $d->{slaves} || 'none';
- $raw .= "\tslaves $slaves\n";
- $done->{slaves} = 1;
-
- my $v = defined ($d->{'bond_miimon'}) ? $d->{'bond_miimon'} : 100;
- $raw .= "\tbond_miimon $v\n";
- $done->{'bond_miimon'} = 1;
-
- $v = defined ($d->{'bond_mode'}) ? $d->{'bond_mode'} : 'balance-rr';
- $raw .= "\tbond_mode $v\n";
- $done->{'bond_mode'} = 1;
-
- if ($d->{'bond_mode'} && $d->{'bond_xmit_hash_policy'} &&
- ($d->{'bond_mode'} eq 'balance-xor' || $d->{'bond_mode'} eq '802.3ad')) {
- $raw .= "\tbond_xmit_hash_policy $d->{'bond_xmit_hash_policy'}\n";
- }
- $done->{'bond_xmit_hash_policy'} = 1;
-
- } elsif ($d->{type} eq 'OVSBridge') {
-
- $raw .= "\tovs_type $d->{type}\n";
- $done->{ovs_type} = 1;
-
- $raw .= "\tovs_ports $d->{ovs_ports}\n" if $d->{ovs_ports};
- $done->{ovs_ports} = 1;
-
- } elsif ($d->{type} eq 'OVSPort' || $d->{type} eq 'OVSIntPort' ||
- $d->{type} eq 'OVSBond') {
-
- $d->{autostart} = 0; # started by the bridge
-
- if (defined($d->{ovs_tag})) {
- &$set_ovs_option($d, tag => $d->{ovs_tag});
- }
- $done->{ovs_tag} = 1;
-
- if ($d->{type} eq 'OVSBond') {
-
- $d->{bond_mode} = 'active-backup' if !$d->{bond_mode};
-
- $ovs_bond_modes->{$d->{bond_mode}} ||
- die "OVS does not support bond mode '$d->{bond_mode}\n";
-
- if ($d->{bond_mode} eq 'lacp-balance-slb') {
- &$set_ovs_option($d, lacp => 'active');
- &$set_ovs_option($d, bond_mode => 'balance-slb');
- } elsif ($d->{bond_mode} eq 'lacp-balance-tcp') {
- &$set_ovs_option($d, lacp => 'active');
- &$set_ovs_option($d, bond_mode => 'balance-tcp');
- } else {
- &$set_ovs_option($d, lacp => undef);
- &$set_ovs_option($d, bond_mode => $d->{bond_mode});
- }
- $done->{bond_mode} = 1;
-
- $raw .= "\tovs_bonds $d->{ovs_bonds}\n" if $d->{ovs_bonds};
- $done->{ovs_bonds} = 1;
- }
-
- if ($d->{ovs_bridge}) {
- $raw = "allow-$d->{ovs_bridge} $iface\n$raw";
- }
-
- $raw .= "\tovs_type $d->{type}\n";
- $done->{ovs_type} = 1;
-
- if ($d->{ovs_bridge}) {
- $raw .= "\tovs_bridge $d->{ovs_bridge}\n";
- $done->{ovs_bridge} = 1;
- }
- # fixme: use Data::Dumper; print Dumper($d);
- }
-
- # print other settings
- foreach my $k (keys %$d) {
- next if $done->{$k};
- next if !$d->{$k};
- $raw .= "\t$k $d->{$k}\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";
- }
-
- if ($d->{autostart}) {
- $raw = "auto $iface\n$raw";
- }
-
- $raw .= "\n";
-
- return $raw;
-}
-
-sub write_etc_network_interfaces {
- my ($filename, $fh, $ifaces) = @_;
-
- my $used_ports = {};
-
- foreach my $iface (keys %$ifaces) {
- my $d = $ifaces->{$iface};
-
- my $ports = '';
- foreach my $k (qw(bridge_ports ovs_ports slaves ovs_bonds)) {
- $ports .= " $d->{$k}" if $d->{$k};
- }
-
- foreach my $p (PVE::Tools::split_list($ports)) {
- die "port '$p' is already used on interface '$used_ports->{$p}'\n"
- if $used_ports->{$p} && $used_ports->{$p} ne $iface;
- $used_ports->{$p} = $iface;
- }
- }
-
- # delete unused OVS ports
- foreach my $iface (keys %$ifaces) {
- my $d = $ifaces->{$iface};
- if ($d->{type} eq 'OVSPort' || $d->{type} eq 'OVSIntPort' ||
- $d->{type} eq 'OVSBond') {
- my $brname = $used_ports->{$iface};
- if (!$brname || !$ifaces->{$brname}) {
- delete $ifaces->{$iface};
- next;
- }
- my $bd = $ifaces->{$brname};
- if ($bd->{type} ne 'OVSBridge') {
- delete $ifaces->{$iface};
- next;
- }
- }
- }
-
- # create OVS bridge ports
- foreach my $iface (keys %$ifaces) {
- my $d = $ifaces->{$iface};
- if ($d->{type} eq 'OVSBridge' && $d->{ovs_ports}) {
- foreach my $p (split (/\s+/, $d->{ovs_ports})) {
- my $n = $ifaces->{$p};
- die "OVS bridge '$iface' - unable to find port '$p'\n"
- if !$n;
- if ($n->{type} eq 'eth') {
- $n->{type} = 'OVSPort';
- $n->{ovs_bridge} = $iface;
- } elsif ($n->{type} eq 'OVSBond' || $n->{type} eq 'OVSPort' ||
- $n->{type} eq 'OVSIntPort') {
- $n->{ovs_bridge} = $iface;
- } else {
- die "interface '$p' is not defined as OVS port/bond\n";
- }
- }
- }
- }
-
- # check OVS bond ports
- foreach my $iface (keys %$ifaces) {
- my $d = $ifaces->{$iface};
- if ($d->{type} eq 'OVSBond' && $d->{ovs_bonds}) {
- foreach my $p (split (/\s+/, $d->{ovs_bonds})) {
- my $n = $ifaces->{$p};
- die "OVS bond '$iface' - unable to find slave '$p'\n"
- if !$n;
- die "OVS bond '$iface' - wrong interface type on slave '$p' " .
- "('$n->{type}' != 'eth')\n" if $n->{type} ne 'eth';
- }
- }
- }
-
- my $raw = "# network interface settings\n";
-
- my $printed = {};
-
- my $if_type_hash = {
- unknown => 0,
- 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 $raw = defined($fd) ? <$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, perm => 0640);
-
-1;
projects / pve-common.git / blobdiff