From 6891dfe41a1958a78b47eb5dce297884c805934d Mon Sep 17 00:00:00 2001
From: Nico Schottelius <nico@nico-notebook.schottelius.org>
Date: Sun, 14 Mar 2021 17:06:28 +0100
Subject: [PATCH] [alpine] setup bond0 by default

---
 alpine-rebuild-initramfs.sh | 33 ++++++++++++++++++++++++++++-----
 1 file changed, 28 insertions(+), 5 deletions(-)

diff --git a/alpine-rebuild-initramfs.sh b/alpine-rebuild-initramfs.sh
index daa32d7..d00df16 100755
--- a/alpine-rebuild-initramfs.sh
+++ b/alpine-rebuild-initramfs.sh
@@ -12,7 +12,7 @@ set -x
 SSH_KEYS=$1; shift
 
 MAJOR_VERSION=3.13
-MINOR_VERSION=1
+MINOR_VERSION=2
 IMAGE=alpine-minirootfs-$MAJOR_VERSION.$MINOR_VERSION-x86_64.tar.gz
 
 RESOLVCONF=/etc/resolv.conf
@@ -21,6 +21,9 @@ working_directory=$(pwd -P)
 #rootfs_tmpdir=$(mktemp -d)
 rootfs_tmpdir=alpine_${MAJOR_VERSION}-${MINOR_VERSION}-rootfs
 
+initramfs="$working_directory/initramfs-alpine-${MAJOR_VERSION}.${MINOR_VERSION}"
+kernel="$working_directory/kernel-alpine-${MAJOR_VERSION}.${MINOR_VERSION}"
+
 mkdir -p ${rootfs_tmpdir}
 
 rootfs_url="http://dl-cdn.alpinelinux.org/alpine/v$MAJOR_VERSION/releases/x86_64/$IMAGE"
@@ -66,19 +69,39 @@ iface lo inet loopback
 
 auto eth0
 iface eth0 inet6 manual
-    pre-up ip link set eth0 up
+  bond-master bond0
+  post-up /sbin/ip link set \$IFACE up
+  post-up /sbin/ip link set \$IFACE mtu 9000
+
+auto eth1
+iface eth1 inet6 manual
+  bond-master bond0
+  post-up /sbin/ip link set \$IFACE up
+  post-up /sbin/ip link set \$IFACE mtu 9000
+
+auto bond0
+iface bond0 inet6 manual
+  bond-miimon 500
+  bond-mode 4
+  post-up /sbin/ip link set \$IFACE up
+  post-up /sbin/ip link set \$IFACE mtu 9000
+  bond-slaves none
+
 EOF
 
 sudo tee "$rootfs_tmpdir/etc/hostname" <<EOF
 alpine-unconfigured
 EOF
 
+# Cleanup resolv.conf
+run_root rm -f /etc/resolv.conf
+
 # Generate iniramfs image
-(cd $rootfs_tmpdir; sudo find . | sudo cpio -H newc -o | gzip -9 > "$working_directory/alpine-initramfs.gz")
-cp "$rootfs_tmpdir/boot/vmlinuz-lts" "$working_directory/alpine-kernel"
+(cd $rootfs_tmpdir; sudo find . | sudo cpio -H newc -o | gzip -9 > ${initramfs})
+cp "$rootfs_tmpdir/boot/vmlinuz-lts" "${kernel}"
 
 echo rm -rf "$rootfs_tmpdir"
 
-echo "Use alpine-initramfs.gz alpine-kernel from $working_directory"!
+echo "Use ${initramfs} and ${kernel} from $working_directory"!
 
 exit 0