[pve-devel] [PATCH container 1/2] fix #2044: add openwrt support

[Oguz Bektas]

---
 src/PVE/LXC/Setup.pm         |  4 ++
 src/PVE/LXC/Setup/Makefile   |  1 +
 src/PVE/LXC/Setup/OpenWrt.pm | 82 ++++++++++++++++++++++++++++++++++++
 3 files changed, 87 insertions(+)
 create mode 100644 src/PVE/LXC/Setup/OpenWrt.pm

diff --git a/src/PVE/LXC/Setup.pm b/src/PVE/LXC/Setup.pm
index 5cc56af..e89886f 100644
--- a/src/PVE/LXC/Setup.pm
+++ b/src/PVE/LXC/Setup.pm
@@ -17,6 +17,7 @@ use PVE::LXC::Setup::Fedora;
 use PVE::LXC::Setup::Gentoo;
 use PVE::LXC::Setup::SUSE;
 use PVE::LXC::Setup::Ubuntu;
+use PVE::LXC::Setup::OpenWrt;
 use PVE::LXC::Setup::Unmanaged;
 
 my $plugins = {
@@ -28,6 +29,7 @@ my $plugins = {
     fedora    => 'PVE::LXC::Setup::Fedora',
     gentoo    => 'PVE::LXC::Setup::Gentoo',
     opensuse  => 'PVE::LXC::Setup::SUSE',
+    openwrt   => 'PVE::LXC::Setup::OpenWrt',
     ubuntu    => 'PVE::LXC::Setup::Ubuntu',
     unmanaged => 'PVE::LXC::Setup::Unmanaged',
 };
@@ -75,6 +77,8 @@ my $autodetect_type = sub {
 	return "alpine";
     } elsif (-f  "$rootdir/etc/gentoo-release") {
 	return "gentoo";
+    } elsif (-f "$rootdir/etc/openwrt_release") {
+	return "openwrt";
     } elsif (-f "$rootdir/etc/os-release") {
 	die "unable to detect OS distribution\n";
     } else {
diff --git a/src/PVE/LXC/Setup/Makefile b/src/PVE/LXC/Setup/Makefile
index 04ee2e4..22702ca 100644
--- a/src/PVE/LXC/Setup/Makefile
+++ b/src/PVE/LXC/Setup/Makefile
@@ -9,6 +9,7 @@ SOURCES=\
     Fedora.pm		\
     Gentoo.pm		\
     SUSE.pm		\
+    OpenWrt.pm		\
     Ubuntu.pm		\
     Unmanaged.pm	\
 
diff --git a/src/PVE/LXC/Setup/OpenWrt.pm b/src/PVE/LXC/Setup/OpenWrt.pm
new file mode 100644
index 0000000..89ea740
--- /dev/null
+++ b/src/PVE/LXC/Setup/OpenWrt.pm
@@ -0,0 +1,82 @@
+package PVE::LXC::Setup::OpenWrt;
+
+use strict;
+use warnings;
+
+use PVE::LXC;
+use PVE::Network;
+use File::Path;
+
+use PVE::LXC::Setup::Base;
+use base qw(PVE::LXC::Setup::Base);
+
+my $known_versions = {
+    '21.02.1' => 1,
+};
+
+sub new {
+    my ($class, $conf, $rootdir) = @_;
+
+    my $version;
+    my $release = PVE::Tools::file_get_contents("$rootdir/etc/openwrt_release");
+    if ($release =~ m/^DISTRIB_RELEASE=\'(\d+\.\d+\.\d+)\'$/mi) {
+	$version = $1;
+    }
+    die "unsupported OpenWrt version '$version'\n"
+	if !$known_versions->{$version};
+
+    my $self = { conf => $conf, rootdir => $rootdir, version => $version };
+
+    $conf->{ostype} = "openwrt";
+
+    return bless $self, $class;
+}
+
+sub template_fixup {
+    my ($self, $conf) = @_;
+}
+
+sub setup_init {
+    my ($self, $conf) = @_;
+}
+
+sub setup_network {
+    my ($self, $conf) = @_;
+
+    my $d;
+    foreach my $k (keys %$conf) {
+	next if $k !~ m/^net(\d+)$/;
+	$d = PVE::LXC::Config->parse_lxc_network($conf->{$k});
+	next if !$d->{name};
+    }
+
+    my $proto = ($d->{ip} eq 'dhcp') ? 'dhcp' : 'static';
+    my $ip = "";
+    if ($proto eq 'static') {
+	$ip = $d->{ip};
+    }
+
+    my $data = <<"DATA";
+config interface 'loopback'
+	option proto 'static'
+	option ipaddr '127.0.0.1'
+	option netmask '255.0.0.0'
+	option device 'lo'
+
+config interface 'wan'
+	option proto '$proto'
+	option device '$d->{name}'
+	option ipaddr '$ip'
+	option netmask '255.255.255.0'
+DATA
+    $self->ct_file_set_contents("/etc/config/network", $data);
+}
+
+# non systemd based containers work with pure cgroupv2
+sub unified_cgroupv2_support {
+    my ($self) = @_;
+
+    return 1;
+}
+
+1
-- 
2.30.2