| 1 | |
| 2 |
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| 3 | HOSTNAME="$1"
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| 4 | if [ -z "$HOSTNAME" ]; then
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| 5 | echo "usage: $0 hostname"
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| 6 | exit 1
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| 7 | fi
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| 8 |
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| 9 | cleanup() {
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| 10 | rm -rf "$tmp"
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| 11 | }
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| 12 |
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| 13 | makefile() {
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| 14 | OWNER="$1"
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| 15 | PERMS="$2"
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| 16 | FILENAME="$3"
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| 17 | cat > "$FILENAME"
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| 18 | chown "$OWNER" "$FILENAME"
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| 19 | chmod "$PERMS" "$FILENAME"
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| 20 | }
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| 21 |
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| 22 | rc_add() {
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| 23 | mkdir -p "$tmp"/etc/runlevels/"$2"
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| 24 | ln -sf /etc/init.d/"$1" "$tmp"/etc/runlevels/"$2"/"$1"
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| 25 | }
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| 26 |
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| 27 | tmp="$(mktemp -d)"
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| 28 | trap cleanup EXIT
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| 29 |
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| 30 | mkdir -p "$tmp"/etc
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| 31 | makefile root:root 0644 "$tmp"/etc/hostname <<EOF
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| 32 | $HOSTNAME
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| 33 | EOF
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| 34 |
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| 35 | mkdir -p "$tmp"/etc/network
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| 36 | makefile root:root 0644 "$tmp"/etc/network/interfaces <<EOF
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| 37 | auto lo
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| 38 | iface lo inet loopback
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| 39 |
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| 40 | auto eth0
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| 41 | iface eth0 inet dhcp
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| 42 | EOF
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| 43 |
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| 44 | mkdir -p "$tmp"/etc/apk
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| 45 | makefile root:root 0644 "$tmp"/etc/apk/world <<EOF
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| 46 | alpine-base
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| 47 | EOF
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| 48 |
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| 49 | rc_add devfs sysinit
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| 50 | rc_add dmesg sysinit
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| 51 | rc_add mdev sysinit
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| 52 | rc_add hwdrivers sysinit
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| 53 | rc_add modloop sysinit
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| 54 |
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| 55 | rc_add hwclock boot
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| 56 | rc_add modules boot
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| 57 | rc_add sysctl boot
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| 58 | rc_add hostname boot
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| 59 | rc_add bootmisc boot
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| 60 | rc_add syslog boot
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| 61 |
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| 62 | rc_add mount-ro shutdown
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| 63 | rc_add killprocs shutdown
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| 64 | rc_add savecache shutdown
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| 65 |
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| 66 | tar -c -C "$tmp" etc | gzip -9n > $HOSTNAME.apkovl.tar.gz
|