Add Alpine to the ZBM test suite

testing/helpers/chroot-alpine.sh

@@ -0,0 +1,57 @@
+#!/bin/sh
+# vim: softtabstop=2 shiftwidth=2 expandtab
+
+# Make sure APK knows where to find packages
+cat <<EOF > /etc/apk/repositories
+http://dl-cdn.alpinelinux.org/alpine/latest-stable/main/
+https://dl-cdn.alpinelinux.org/alpine/latest-stable/main/
+EOF
+
+# Update all packages
+apk update
+
+# Add and enable ZFS tools
+apk add linux-lts linux-lts-dev zfs zfs-lts bash
+
+rc-update add zfs-import sysinit
+rc-update add zfs-mount sysinit
+
+# Enable DHCP and add SSH
+apk add openssh
+rc-update add sshd
+
+cat > /etc/network/interfaces <<EOF
+auto eth0
+iface eth0 inet dhcp
+EOF
+
+# Make sure any ZFS keyfiles and ZFS modules are included in initramfs
+for keyfile in /etc/zfs/*.key; do
+  [ -e "${keyfile}" ] || continue
+  echo "${keyfile}" >> /etc/mkinitfs/features.d/zfshost.files
+done
+
+echo "/etc/hostid" >> /etc/mkinitfs/features.d/zfshost.files
+echo "/etc/zfs/zpool.cache" >> /etc/mkinitfs/features.d/zfshost.files
+
+echo 'features="ata base keymap kms mmc scsi usb virtio zfs zfshost"' > /etc/mkinitfs/mkinitfs.conf
+mkinitfs -c /etc/mkinitfs/mkinitfs.conf "$(ls /lib/modules)"
+
+# Set kernel commandline
+if [ -n "${ZBM_POOL}" ]; then
+  cmdline="spl_hostid=$( hostid ) rw loglevel=4 console=tty1 console=ttyS0"
+  zfs set org.zfsbootmenu:commandline="${cmdline}" "${ZBM_POOL}/ROOT"
+fi
+
+# Set root password
+echo 'root:zfsbootmenu' | chpasswd -c SHA256
+
+# /bin/ash sucks
+sed -i '/^root/s@/bin/ash@/bin/bash@' /etc/passwd
+
+# enable root login over ssh with a password
+sed -i 's/^#PermitRootLogin.*/PermitRootLogin yes/' /etc/ssh/sshd_config
+
+# enable getty on serial port
+sed -i 's/^#ttyS0::/ttyS0::/' /etc/inittab
+grep -q ttyS0 /etc/securetty || echo ttyS0 >> /etc/securetty

testing/helpers/install-alpine.sh

@@ -0,0 +1,41 @@
+#!/bin/bash
+# vim: softtabstop=2 shiftwidth=2 expandtab
+
+cleanup () {
+  if [ -n "${APKROOT}" ]; then
+    rm -rf "${APKROOT}"
+    unset APKROOT
+  fi
+
+  exit
+}
+
+if [ -z "${CHROOT_MNT}" ] || [ ! -d "${CHROOT_MNT}" ]; then
+  echo "ERROR: chroot mountpoint must be specified and must exist"
+  exit 1
+fi
+
+if ! APKROOT="$( mktemp -d )"; then
+  echo "ERROR: cannot make directory to unpack apk"
+  exit 1
+else
+  export APKROOT
+fi
+
+trap cleanup EXIT INT TERM
+
+MIRROR="http://dl-cdn.alpinelinux.org/alpine/latest-stable/main"
+PATTERN="apk-tools-static-[.0-9]\+-r[0-9]\+.apk"
+if ! ./helpers/extract_remote.sh "${MIRROR}/x86_64/" "${APKROOT}" "${PATTERN}"; then
+  echo "ERROR: could not fetch and extract static apk tools"
+  exit 1
+fi
+
+"${APKROOT}/sbin/apk.static" --arch "x86_64" -X "${MIRROR}" \
+  -U --allow-untrusted --root "${CHROOT_MNT}" --initdb add alpine-base
+
+mkdir -p "${CHROOT_MNT}/etc"
+cp /etc/hostid "${CHROOT_MNT}/etc/"
+cp /etc/resolv.conf "${CHROOT_MNT}/etc/"
+
+# Alpine does not even provide dracut, why bother populating a ZBM repo?

testing/setup.sh

@@ -32,7 +32,7 @@ Usage: $0 [options]
   -x  Use an existing pool image
   -k  Populate host SSH host and authorized keys
   -o  Distribution to install (may specify more than one)
-      [ void, void-musl, arch, debian, ubuntu ]
+      [ void, void-musl, alpine, arch, debian, ubuntu ]
 EOF
 }