Signed-off-by: Nico Schottelius <nico@nico-notebook.schottelius.org>
This commit is contained in:
Nico Schottelius 2020-10-12 18:53:48 +02:00
parent bc6217fa0f
commit 0875392098
5 changed files with 64 additions and 36 deletions

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@ -1,90 +1,107 @@
#!/bin/sh #!/bin/sh
if [ $# -ne 1 ]; then
echo "$0 ssh-keyfile"
echo " ssh-keyfile: ssh keys to add into the image"
exit 1
fi
set -e set -e
set -x set -x
MAJOR_VERSION=3.11 SSH_KEYS=$1; shift
MINOR_VERSION=2
MAJOR_VERSION=3.12
MINOR_VERSION=0
IMAGE=alpine-minirootfs-$MAJOR_VERSION.$MINOR_VERSION-x86_64.tar.gz IMAGE=alpine-minirootfs-$MAJOR_VERSION.$MINOR_VERSION-x86_64.tar.gz
SSH_KEYS=$(cat ~/.ssh/id_rsa.pub)
RESOLVCONF=/etc/resolv.conf RESOLVCONF=/etc/resolv.conf
working_directory=$(pwd -P) working_directory=$(pwd -P)
rootfs_tmpdir=$(mktemp -d) rootfs_tmpdir=$(mktemp -d)
rootfs_tmpdir=alpine_${MAJOR_VERSION}-${MINOR_VERSION}-rootfs
mkdir -p ${rootfs_tmpdir}
rootfs_url="http://dl-cdn.alpinelinux.org/alpine/v$MAJOR_VERSION/releases/x86_64/$IMAGE" rootfs_url="http://dl-cdn.alpinelinux.org/alpine/v$MAJOR_VERSION/releases/x86_64/$IMAGE"
run_root () { run_root () {
chroot $rootfs_tmpdir /usr/bin/env \ sudo chroot $rootfs_tmpdir /usr/bin/env \
PATH=/bin:/sbin \ PATH=/bin:/sbin \
/bin/sh -c "$*" /bin/sh -c "$*"
} }
if [ "$(whoami)" != 'root' ]; then wget -c "$rootfs_url" -O "$working_directory/$IMAGE"
echo "This script must be run as root." >&2
exit 1
fi
# Download, extract inital rootfs. # keep right permissions, use sudo
curl "$rootfs_url" -o "$working_directory/$IMAGE" sudo tar xf $IMAGE -C $rootfs_tmpdir
tar xf $IMAGE -C $rootfs_tmpdir
# Add SSH keys # Add SSH keys
run_root mkdir -p root/.ssh run_root mkdir -p root/.ssh
echo $SSH_KEYS > $rootfs_tmpdir/root/.ssh/authorized_keys sudo cp $SSH_KEYS $rootfs_tmpdir/root/.ssh/authorized_keys
run_root chown root:root root/.ssh/authorized_keys
run_root chmod 0600 root/.ssh/authorized_keys run_root chmod 0600 root/.ssh/authorized_keys
run_root chmod 0700 root/.ssh run_root chmod 0700 root/.ssh
# Import local resolv.conf. # Import local resolv.conf.
cat "$RESOLVCONF" > $rootfs_tmpdir/etc/resolv.conf sudo cp "$RESOLVCONF" $rootfs_tmpdir/etc/resolv.conf
# Make sure init is found by the kernel. # Make sure init is found by the kernel.
run_root ln -s /sbin/init /init #run_root ln -sf /sbin/init /init
# Layer atop base rootfs.
run_root apk update
run_root apk upgrade
run_root apk add openssh linux-lts openrc udev ndisc6
run_root rc-update add udev
run_root rc-update add udev-trigger
run_root rc-update add sshd
run_root rc-update add networking
run_root rc-update add hostname
run_root rc-update add rdnssd
# 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"
# Servers have static addresses, disable the standard # Servers have static addresses, disable the standard
# alpine setting of using tempaddr = 2 # alpine setting of using tempaddr = 2
cat > "$rootfs_tmpdir/etc/sysctl.d/99-ipv6.conf" <<EOF sudo tee "$rootfs_tmpdir/etc/sysctl.d/99-ipv6.conf" <<EOF
net.ipv6.conf.default.use_tempaddr = 0 net.ipv6.conf.default.use_tempaddr = 0
net.ipv6.conf.all.use_tempaddr = 0 net.ipv6.conf.all.use_tempaddr = 0
net.ipv6.conf.all.accept_ra = 1 net.ipv6.conf.all.accept_ra = 1
EOF EOF
cat > "$rootfs_tmpdir/etc/network/interfaces" <<EOF sudo tee "$rootfs_tmpdir/etc/network/interfaces" <<EOF
auto lo auto lo
iface lo inet loopback iface lo inet loopback
auto eth0 auto eth0
iface eth0 inet6 manual iface eth0 inet6 manual
pre-up ip link set eth0 up pre-up ip link set eth0 up
post-up sleep 10
post-up ip addr show dev eth0 | grep inet6 >> /etc/issue post-up ip addr show dev eth0 | grep inet6 >> /etc/issue
post-up echo post post up >> /etc/issue
EOF EOF
cat > "$rootfs_tmpdir/etc/hostname" <<EOF sudo tee "$rootfs_tmpdir/etc/hostname" <<EOF
alpine-unconfigured alpine-unconfigured
EOF EOF
echo ipv6 >> "$rootfs_tmpdir/etc/modules" echo ipv6 | sudo tee -a "$rootfs_tmpdir/etc/modules"
# Upload to netboot server. - needs to be done outside sudo
echo "Use alpine-initramfs.gz alpine-kernel from $working_directory"!
exit 0
# Layer atop base rootfs.
run_root apk update
run_root apk upgrade
run_root apk add openssh linux-vanilla openrc udev
run_root rc-update add udev
run_root rc-update add udev-trigger
run_root rc-update add sshd
run_root rc-update add networking
run_root rc-update add hostname
# FIXME: add / install rdnssd / ndisc6 / start it on boot # FIXME: add / install rdnssd / ndisc6 / start it on boot
# ndisc6 is only @testing # ndisc6 is only @testing
# Generate iniramfs image
(cd $rootfs_tmpdir; find . | cpio -H newc -o | gzip -9 > "$working_directory/alpine-initramfs.gz")
cp "$rootfs_tmpdir/boot/vmlinuz-vanilla" "$working_directory/alpine-kernel"
# Cleanup. # Cleanup.
#rm -r "$rootfs_tmpdir" #rm -r "$rootfs_tmpdir"
# Upload to netboot server. - needs to be done outside sudo
echo "Use alpine-initramfs.gz alpine-kernel from $working_directory"!

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@ -2,6 +2,8 @@
# Nico Schottelius, 2019-12-02 # Nico Schottelius, 2019-12-02
# Update mikrotik routers to the latest package # Update mikrotik routers to the latest package
set -e
if [ $# -lt 2 ]; then if [ $# -lt 2 ]; then
echo "$0 <version> <arch> router [router...]" echo "$0 <version> <arch> router [router...]"
cat <<EOF cat <<EOF
@ -31,11 +33,20 @@ unzip "${file}"
pkg_list="dhcp ipv6 lcd lte multicast ppp routing security system user-manager wireless" pkg_list="dhcp ipv6 lcd lte multicast ppp routing security system user-manager wireless"
while [ $# -ge 1 ]; do while [ $# -ge 1 ]; do
target=$1; shift target=$1; shift
# Escape literal IPv6 addresses
if echo $target | grep ':'; then
target_scp="[$target]"
else
target_scp="$target"
fi
echo "Updating ${target}" echo "Updating ${target}"
for pkg in $pkg_list; do for pkg in $pkg_list; do
scp ${pkg}-${version}-${arch}.npk "admin@${target}:" scp ${pkg}-${version}-${arch}.npk "admin@${target_scp}:"
done done
ssh admin@${target} "/system reboot" ssh admin@${target} "/system reboot"
done done

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openwrt-add-letsencrypt.sh Normal file → Executable file
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openwrt-add-lte.sh Normal file → Executable file
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openwrt-motion-config.sh Normal file → Executable file
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