112 lines
2.5 KiB
Bash
112 lines
2.5 KiB
Bash
#!/bin/sh -e
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HOSTNAME="$1"
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if [ -z "$HOSTNAME" ]; then
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echo "usage: $0 hostname"
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exit 1
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fi
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cleanup() {
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rm -rf "$tmp"
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}
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makefile() {
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OWNER="$1"
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PERMS="$2"
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FILENAME="$3"
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cat > "$FILENAME"
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chown "$OWNER" "$FILENAME"
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chmod "$PERMS" "$FILENAME"
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}
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rc_add() {
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mkdir -p "$tmp"/etc/runlevels/"$2"
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ln -sf /etc/init.d/"$1" "$tmp"/etc/runlevels/"$2"/"$1"
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}
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tmp="$(mktemp -d)"
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trap cleanup EXIT
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mkdir -p "$tmp"/etc
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makefile root:root 0644 "$tmp"/etc/hostname <<EOF
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$HOSTNAME
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EOF
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mkdir -p "$tmp"/etc/network
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makefile root:root 0644 "$tmp"/etc/network/interfaces <<EOF
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auto lo
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iface lo inet loopback
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auto eth0
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iface eth0 inet dhcp
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EOF
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mkdir -p "$tmp/root/.ssh"
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mkdir -p "$tmp/etc/apk"
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echo '/media/cdrom' >> "$tmp/etc/apk/repositories"
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echo "http://dl-cdn.alpinelinux.org/alpine/$ALPINE_VERSION/main" >> "$tmp/etc/apk/repositories"
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echo "http://dl-cdn.alpinelinux.org/alpine/$ALPINE_VERSION/community" >> "$tmp/etc/apk/repositories"
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echo "http://dl-cdn.alpinelinux.org/alpine/edge/testing" >> "$tmp/etc/apk/repositories"
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echo "http://dl-cdn.alpinelinux.org/alpine/edge/community" >> "$tmp/etc/apk/repositories"
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mkdir -p "$tmp"/etc/apk
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makefile root:root 0644 "$tmp"/etc/apk/world <<EOF
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alpine-base
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util-linux
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xfsprogs
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vim
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dfc
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cni-plugin-flannel
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cni-plugins
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flannel
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flannel-contrib-cni
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kubelet
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kubeadm
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kubectl
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uuidgen
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docker
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mtools
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dosfstools
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grub-efi
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EOF
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mkdir -p "$tmp"/etc/local.d
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# =------------------------------------------------------------=
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# Hello preseed script, my new friend.
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#
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# Note the single quotes around the EOF, to avoid evaluation
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# at the time genapkovl runs.
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# =------------------------------------------------------------=
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makefile root:root 0755 "$tmp"/etc/local.d/preseed.start <<'EOF'
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#!/bin/sh
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# Fail fast, if we make it onto a live system.
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test "$(hostname)" = "" || exit 111
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# Here would be the preseed script in earnest. One that sets
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# the hostname to something else than `preseed`, or at least
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# makes sure the /etc/local.d/preseed.start isn't carried over.
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# Lest you're a glutton for punishment.
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echo "preseeded at $(date)" >> /root/preseeded.txt
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EOF
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rc_add devfs sysinit
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rc_add dmesg sysinit
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rc_add mdev sysinit
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rc_add hwdrivers sysinit
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rc_add modloop sysinit
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rc_add hwclock boot
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rc_add modules boot
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rc_add sysctl boot
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rc_add hostname boot
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rc_add bootmisc boot
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rc_add syslog boot
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# we want our preseed to run & have network while at it
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rc_add networking boot
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rc_add local boot
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rc_add mount-ro shutdown
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rc_add killprocs shutdown
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rc_add savecache shutdown
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tar -c -C "$tmp" etc | gzip -9n > $HOSTNAME.apkovl.tar.gz |