main/lxc: add lxc-bridge subpackage

add a subpackage with a default lxcbr0 bridge interface with dnsmasq

This makes it very convenient to set up a private network for lxc
containers with a config that works out of the box.

1 files changed, 31 insertions, 3 deletions

diff --git a/main/lxc/APKBUILD b/main/lxc/APKBUILD
index 130fd0cddc..381d4c832c 100644
--- a/main/lxc/APKBUILD
+++ b/main/lxc/APKBUILD
@@ -5,7 +5,7 @@
 pkgname=lxc
 pkgver=2.0.7
 _pkgver=${pkgver/_rc/.rc}
-pkgrel=2
+pkgrel=3
 pkgdesc="Userspace interface for the Linux kernel containment features"
 url="https://linuxcontainers.org/lxc/"
 arch="all"
@@ -13,11 +13,11 @@ license="GPL"
 depends="gzip"
 depends_dev="libcap-dev"
 makedepends="$depends_dev lvm2 util-linux automake autoconf libtool lua5.2-dev
-        linux-headers bash tar docbook2x libseccomp-dev python3-dev"
+        linux-headers bash tar docbook2x libseccomp-dev python3-dev dnsmasq"
 options="suid"
 subpackages="$pkgname-dev $pkgname-doc $pkgname-lvm::noarch lua5.2-lxc:_lua52
         $pkgname-download:_download:noarch $pkgname-templates::noarch $pkgname-libs
-        py3-$pkgname:_py3"
+        py3-$pkgname:_py3 $pkgname-bridge"
 source="https://github.com/lxc/lxc/archive/lxc-$_pkgver.tar.gz
         version.patch
         lxc.initd
@@ -119,6 +119,34 @@ dev() {
         mv "$subpkgdir"/usr/bin/lxc-config "$pkgdir"/usr/bin/
 }
 
+bridge() {
+        depends="dnsmasq"
+        pkgdesc="Bridge interface for LXC with dhcp"
+        mkdir -p "$subpkgdir"/etc/conf.d \
+                "$subpkgdir"/etc/init.d \
+                "$subpkgdir"/etc/lxc
+
+        ln -s dnsmasq "$subpkgdir"/etc/init.d/dnsmasq.lxcbr0
+        cat ->>"$subpkgdir"/etc/conf.d/dnsmasq.lxcbr0 <<EOF
+                BRIDGE_ADDR="10.0.3.1"
+                BRIDGE_NETMASK="255.255.255.0"
+                BRIDGE_NETWORK="10.0.3.0/24"
+                BRIDGE_DHCP_RANGE="10.0.3.2,10.0.3.254"
+                BRIDGE_DHCP_MAX="253"
+                BRIDGE_MAC="00:16:3e:00:00:00"
+                DNSMASQ_CONFFILE="/etc/lxc/dnsmasq.conf"
+EOF
+        cat ->>"$subpkgdir"/etc/lxc/dnsmasq.conf <<EOF
+                #dhcp-host=somehost,10.0.3.3
+                #dhcp-host=otherhost,10.0.3.4
+EOF
+        cat ->>"$subpkgdir"/etc/conf.d/lxc <<EOF
+                rc_need="lxc-bridge"
+EOF
+
+}
+
+
 sha512sums="eb48dc800ce43d2f4d46e0cecc4d0a714b3e22c6a4975776b54d17d1d20d5a1411e6b605215282f1f77286ddf22b61c80b86b83752191fc18023894ef7a1c44d  lxc-2.0.7.tar.gz
 e2ffcbf55447291a8434a4f37255c3a6a119bc4116c75d205006aa2b070bf6be28535cf6107bead14bbf64bf9fa415346ab544bd1c15e1add7d1c6380e6b2def  version.patch
 1037e0b773553aa04b619cec7cfc8fa504af830e58c8211eda367da7e36aeb88f45fca1f955a08fc4fa3f9da660017d5fe7145a326a2064cf15e24d1772d9e27  lxc.initd