Alpine image: fix networking in with qemu -nic user, haveged,

uncloud-init

alpine-uncloud-image.sh

@@ -13,7 +13,7 @@ RELEASE=v3.11
 ARCH=x86_64
 IMAGE_PATH=alpine-uncloud-$RELEASE-$(date -I).img.qcow2
 IMAGE_SIZE=10G
-NBD_DEVICE=/dev/nbd1
+NBD_DEVICE=/dev/nbd0
 APK_MIRROR=http://dl-2.alpinelinux.org/alpine/ # Mind the trailing /
 
 cleanup() {
@@ -79,7 +79,7 @@ apk add -U -X $APK_MIRROR$RELEASE/main/ \
 	--arch="$ARCH" \
 	--root=/mnt \
 	--initdb \
-	alpine-base alpine-conf openssh sudo syslinux tzdata gnupg bash
+	alpine-base alpine-conf openssh sudo tzdata gnupg haveged bash eudev
 
 mount --bind /dev /mnt/dev
 mount --bind /dev/pts /mnt/dev/pts
@@ -91,7 +91,12 @@ mount --bind /sys /mnt/sys
 # Required to resolve package mirror in chroot.
 cp /etc/resolv.conf /mnt/etc/resolv.conf
 
-# Initialize /etc/hosts.
+# Initialize networking.
+run_root setup-interfaces -i << EOF
+auto lo
+iface lo inet loopback
+EOF
+
 cat > /mnt/etc/hosts << EOF
 127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
 ::1         localhost localhost.localdomain localhost6 localhost6.localdomain6
@@ -122,13 +127,16 @@ run_root apk update
 
 # Install RDNSSD for DNS discovery from router advertisement.
 run_root apk add ndisc6
+run_root rc-update add rdnssd boot
+# TODO: fix upstream!
+sed -i 's/-H \/etc\/rdnssd\/resolvconf/-H \/etc\/rdnssd\/merge-hook/' /mnt/etc/init.d/rdnssd
 
 # Initialize base services.
-for i in ntpd sshd crond rdnssd; do
+for i in ntpd sshd crond; do
 	run_root rc-update add $i default
 done
 
-for i in hwclock modules sysctl hostname bootmisc networking syslog swap urandom; do
+for i in hwclock modules hwdrivers acpid mdev sysctl hostname bootmisc networking syslog swap urandom haveged; do
 	run_root rc-update add $i boot
 done
 
@@ -139,20 +147,6 @@ done
 # Set hostname.
 run_root setup-hostname -n alpine
 
-# Install kernel and bootloader.
-dd if=/usr/share/syslinux/mbr.bin of=/dev/nbd0 bs=1 count=440
-extlinux -i /mnt/boot
-
-cat >/mnt/boot/extlinux.conf <<EOF
-DEFAULT linux
-LABEL linux
-	LINUX vmlinuz-$(echo "$linux" | cut -d- -f2-)
-	INITRD initramfs-$(echo "$linux" | cut -d- -f2-)
-	APPEND root=/dev/vda3 rw modules=sd-mod,usb-storage,ext4 quiet rootfstype=ext4
-EOF
-
-run_root apk add linux-virt
-
 # Generate fstab file.
 boot_uuid=$(blkid --match-tag UUID --output value "${NBD_DEVICE}p1")
 root_uuid=$(blkid --match-tag UUID --output value "${NBD_DEVICE}p2")
@@ -161,9 +155,33 @@ UUID=$boot_uuid /boot ext4 rw,relatime,data=ordered 0 2
 UUID=$root_uuid /     ext4 rw,relatime,data=ordered 0 1
 EOF
 
-# FIXME: add fnux's SSH key for testing purposes.
-mkdir -p /mnt/root/.ssh
-curl https://key.wf/fnux > /mnt/root/.ssh/authorized_keys
+# Install kernel and bootloader.
+run_root apk add linux-virt syslinux
+
+dd if=/usr/share/syslinux/mbr.bin of="$NBD_DEVICE" bs=1 count=440
+extlinux -i /mnt/boot
+
+cat >/mnt/boot/extlinux.conf <<EOF
+DEFAULT linux
+LABEL linux
+	LINUX vmlinuz-virt
+	INITRD initramfs-virt
+	APPEND root=UUID=$root_uuid rw modules=sd-mod,usb-storage,ext4 quiet rootfstype=ext4
+EOF
+
+# Manually install uncloud-init.
+run_root apk add git curl grep make
+uncloud_init_dir=/tmp/uncloud-init
+
+mkdir -p "$uncloud_init_dir"
+run_root git clone https://code.ungleich.ch/uncloud/uncloud-init.git "$uncloud_init_dir"
+run_root make -C "$uncloud_init_dir" install
+run_root rm -r "$uncloud_init_dir"
+
+run_root rc-update add uncloud-init boot
+
+# Remove resolvconf: handled by uncloud-init.
+run_root rm /etc/resolv.conf
 
 # Make sure everything is written to disk before exiting.
 sync