return $v;
};
+# config => {
+# ifaces => {
+# $ifname => {
+# <optional> exists => BOOL,
+# <optional> active => BOOL,
+# <optional> autostart => BOOL,
+# <auto> priority => INT,
+#
+# type => "eth" | "bridge" | "bond" | "loopback" | "OVS*" | ... ,
+#
+# families => ["inet", "inet6", ...],
+#
+# method => "manual" | "static" | "dhcp" | ... ,
+# address => IP,
+# netmask => SUBNET,
+# broadcast => IP,
+# gateway => IP,
+# comments => [ "..." ],
+#
+# method6 => "manual" | "static" | "dhcp" | ... ,
+# address6 => IP,
+# netmask6 => SUBNET,
+# gateway6 => IP,
+# comments6 => [ "..." ],
+#
+# <known options>, # like bridge_ports, ovs_*
+#
+# # extra/unknown options stored by-family:
+# options => { <inet options>... }
+# options6 => { <inet6 options>... }
+# }
+# },
+# options => [
+# # mappings end up here as well, as we don't need to understand them
+# [priority,line]
+# ]
+# }
sub read_etc_network_interfaces {
my ($filename, $fh) = @_;
+ my $proc_net_dev = IO::File->new('/proc/net/dev', 'r');
+ my $proc_net_if_inet6 = IO::File->new('/proc/net/if_inet6', 'r');
+ return __read_etc_network_interfaces($fh, $proc_net_dev, $proc_net_if_inet6);
+}
+
+sub __read_etc_network_interfaces {
+ my ($fh, $proc_net_dev, $proc_net_if_inet6) = @_;
- my $ifaces = {};
+ my $config = {};
+ my $ifaces = $config->{ifaces} = {};
+ my $options = $config->{options} = [];
my $line;
- if (my $fd2 = IO::File->new("/proc/net/dev", "r")) {
- while (defined ($line = <$fd2>)) {
+ if ($proc_net_dev) {
+ while (defined ($line = <$proc_net_dev>)) {
if ($line =~ m/^\s*(eth\d+):.*/) {
$ifaces->{$1}->{exists} = 1;
}
}
- close($fd2);
+ close($proc_net_dev);
}
# we try to keep order inside the file
$ifaces->{$a}->{autostart} = 1;
}
- } elsif ($line =~ m/^\s*iface\s+(\S+)\s+inet\s+(\S+)\s*$/) {
+ } elsif ($line =~ m/^\s*iface\s+(\S+)\s+(inet6?)\s+(\S+)\s*$/) {
my $i = $1;
- $ifaces->{$i}->{method} = $2;
- $ifaces->{$i}->{priority} = $priority++;
+ my $family = $2;
+ my $f = { method => $3 }; # by family, merged to $d with a $suffix
+ (my $suffix = $family) =~ s/^inet//;
+
+ my $d = $ifaces->{$i} ||= {};
+ $d->{priority} = $priority++ if !$d->{priority};
+ push @{$d->{families}}, $family;
- my $d = $ifaces->{$i};
while (defined ($line = <$fh>)) {
chomp $line;
if ($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";
+ $f->{comments} = '' if !$f->{comments};
+ $f->{comments} .= "$1\n";
} elsif ($line =~ m/^\s*(?:iface\s
|mapping\s
|auto\s
my $option = $1;
my ($id, $value) = ($2, $3);
if (($id eq 'address') || ($id eq 'netmask') || ($id eq 'broadcast') || ($id eq 'gateway')) {
- $d->{$id} = $value;
+ $f->{$id} = $value;
} elsif ($id eq 'ovs_type' || $id eq 'ovs_options'|| $id eq 'ovs_bridge' ||
$id eq 'ovs_bonds' || $id eq 'ovs_ports') {
$d->{$id} = $value;
$devs->{$p} = 1;
}
my $str = join (' ', sort keys %{$devs});
- $d->{$id} = $str || '';
+ if ($d->{$id}) {
+ $d->{$id} .= ' ' . $str if $str;
+ } else {
+ $d->{$id} = $str || '';
+ }
} elsif ($id eq 'bridge_stp') {
if ($value =~ m/^\s*(on|yes)\s*$/i) {
$d->{$id} = 'on';
}
$d->{$id} = $value;
} else {
- push @{$d->{options}}, $option;
+ push @{$f->{options}}, $option;
}
} else {
last;
}
}
+ $d->{"$_$suffix"} = $f->{$_} foreach (keys %$f);
last SECTION if !defined($line);
redo SECTION;
+ } elsif ($line =~ /\w/) {
+ push @$options, [$priority++, $line];
}
}
}
$d->{method} = 'manual' if !$d->{method};
+ $d->{method6} = 'manual' if !$d->{method6};
+
+ $d->{families} ||= ['inet'];
}
- if (my $fd2 = IO::File->new("/proc/net/if_inet6", "r")) {
- while (defined ($line = <$fd2>)) {
+ if ($proc_net_if_inet6) {
+ while (defined ($line = <$proc_net_if_inet6>)) {
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);
+ close ($proc_net_if_inet6);
}
- return $ifaces;
+ return $config;
}
sub __interface_to_string {
- my ($iface, $d) = @_;
+ my ($iface, $d, $family, $first_block) = @_;
+
+ (my $suffix = $family) =~ s/^inet//;
- return '' if !($d && $d->{method});
+ return '' if !($d && $d->{"method$suffix"});
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};
+ $raw .= "iface $iface $family " . $d->{"method$suffix"} . "\n";
+ $raw .= "\taddress " . $d->{"address$suffix"} . "\n" if $d->{"address$suffix"};
+ $raw .= "\tnetmask " . $d->{"netmask$suffix"} . "\n" if $d->{"netmask$suffix"};
+ $raw .= "\tgateway " . $d->{"gateway$suffix"} . "\n" if $d->{"gateway$suffix"};
+ $raw .= "\tbroadcast " . $d->{"broadcast$suffix"} . "\n" if $d->{"broadcast$suffix"};
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') {
+ address => 1, netmask => 1, gateway => 1, broadcast => 1,
+ method6 => 1, families => 1, options6 => 1,
+ address6 => 1, netmask6 => 1, gateway6 => 1, broadcast6 => 1 };
+
+ if (!$first_block) {
+ # not printing out options
+ } elsif ($d->{type} eq 'bridge') {
my $ports = $d->{bridge_ports} || 'none';
$raw .= "\tbridge_ports $ports\n";
$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') {
$done->{ovs_bonds} = 1;
}
- if ($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}) {
+ $raw = "allow-$d->{ovs_bridge} $iface\n$raw";
$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";
+ if ($first_block) {
+ # 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}}) {
+ foreach my $option (@{$d->{"options$suffix"}}) {
$raw .= "\t$option\n";
}
# add comments
- my $comments = $d->{comments} || '';
+ my $comments = $d->{"comments$suffix"} || '';
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, $ifaces) = @_;
+ my ($filename, $fh, $config) = @_;
+ my $raw = __write_etc_network_interfaces($config);
+ PVE::Tools::safe_print($filename, $fh, $raw);
+}
+sub __write_etc_network_interfaces {
+ my ($config) = @_;
+
+ my $ifaces = $config->{ifaces};
+ my @options = @{$config->{options}};
my $used_ports = {};
}
}
- my $raw = "# network interface settings\n";
+ my $raw = <<'NETWORKDOC';
+# network interface settings; autogenerated
+# Please do NOT modify this file directly, unless you know what
+# you're doing.
+#
+# If you want to manage part of the network configuration manually,
+# please utilize the 'source' or 'source-directory' directives to do
+# so.
+# PVE will preserve these directives, but will NOT its network
+# configuration from sourced files, so do not attempt to move any of
+# the PVE managed interfaces into external files!
+
+NETWORKDOC
my $printed = {};
next if $printed->{$iface};
+ if (@options && $options[0]->[0] < $d->{priority}) {
+ do {
+ $raw .= (shift @options)->[1] . "\n";
+ } while (@options && $options[0]->[0] < $d->{priority});
+ $raw .= "\n";
+ }
+
$printed->{$iface} = 1;
- $raw .= __interface_to_string($iface, $d);
+ $raw .= "auto $iface\n" if $d->{autostart};
+ my $i = 0; # some options should be printed only once
+ $raw .= __interface_to_string($iface, $d, $_, !$i++) foreach @{$d->{families}};
}
-
- PVE::Tools::safe_print($filename, $fh, $raw);
+
+ $raw .= $_->[1] . "\n" foreach @options;
+ return $raw;
}
register_file('interfaces', "/etc/network/interfaces",
projects / pve-common.git / blobdiff