First commit

main.sh

@@ -0,0 +1,135 @@
+#!/usr/bin/env ash
+
+format_disk(){
+    echo "===FORMATTING DISK==="
+    apk add parted e2fsprogs
+
+    ram="8"         # in whole number GiB (round up)
+    table="EFI-GPT"     # EFI-GPT or MBR or BIOS-GPT
+
+    [ "$table" == "MBR" ] && \
+        parted -s /dev/sda \
+            mklabel msdos \
+            mkpart primary linux-swap 2MiB ${ram}GiB \
+            mkpart primary ext4 ${ram}GiB 100% \
+            set 2 boot on \
+        && mkswap -L SWAP /dev/sda1 \
+        && swapon /dev/sda1 \
+        && mkfs.ext4 -n ROOT /dev/sda2
+
+    [ "$table" == "EFI-GPT" ] && \
+        parted -s /dev/sda \
+            mklabel gpt \
+            mkpart primary fat32 1MiB +260MiB \
+            mkpart primary linux-swap 260MiB +${ram}GiB \
+            mkpart primary ext4 ${ram}GiB 100% \
+            set 1 esp on \
+            set 3 boot on \
+        && mkdosfs -n EFI /dev/sda1 \
+        && mkswap -L SWAP /dev/sda2 \
+        && swapon /dev/sda2 \
+        && mkfs.ext4 -n ROOT /dev/sda3
+
+    [ "$table" == "BIOS-GPT" ] && \
+        parted -s /dev/sda \
+            mklabel gpt \
+            mkpart primary fat32 1MiB 2MiB \
+            mkpart primary linux-swap 100MiB ${ram}GiB \
+            mkpart primary ext4 ${ram}GiB 100% \
+            set 1 bios_grub on \
+            set 3 boot on \
+        && mkdosfs -n EFI /dev/sda1 \
+        && mkswap -L SWAP /dev/sda2 \
+        && swapon /dev/sda2 \
+        && mkfs.ext4 -n ROOT /dev/sda3
+
+    echo -e "\n\n"
+}
+
+chroot_dir=""
+arch=""
+mirror=""
+branch="latest-stable"
+version=""
+
+set_chroot_dir(){
+    echo "===CHROOT DIRECTORY==="
+    mkdir -p /mnt/chroot
+    chroot_dir="/mnt/chroot"
+}
+
+set_arch(){
+    arch=`uname -m`
+}
+
+set_mirror(){
+    echo "===SETTING MIRROR==="
+    data=""
+    for s in $(wget -qO - \
+        http://rsync.alpinelinux.org/alpine/MIRRORS.txt)
+    do
+        t=$(time -f "%E" wget -q $s/MIRRORS.txt -T 2 -O /dev/null 2>&1)
+        echo "$s was $t"
+        data="$data$t $s\n"
+    done
+
+    mirror=`echo -e $data \
+        | sort \
+        | grep "http" \
+        | head -n 1 \
+        | awk '{print $3}'`
+    echo "${mirror}/${branch}/main" >> /etc/apk/repositories
+    apk upgrade && apk upgrade
+    echo "==RESULTS=="
+    echo -e "${mirror}\n\n"
+}
+
+set_version(){
+    version=`wget -O - -o /dev/null \
+    ${mirror}/${branch}/main/${arch}/ \
+        | grep "apk-tools-static" \
+        | sed -e 's/.*apk-tools-static-//' \
+        | sed -e 's/\.apk.*//'`
+}
+
+get_alpine(){
+    wget \
+    ${mirror}/${branch}/main/${arch}\
+    /apk-tools-static-${version}.apk
+    tar -xzf apk-tools-static-*.apk
+    ./sbin/apk.static -X ${mirror}/${branch}/main -U \
+    --allow-untrusted --root ${chroot_dir} --initdb add alpine-base
+}
+
+mk_chroot(){
+    # dev mounts
+    mount /dev/ ${chroot_dir}/dev/ --bind
+    mount -o remount,ro,bind ${chroot_dir}/dev
+
+    # proc and sysfs
+    mount -t proc none ${chroot_dir}/proc
+    mount -o bind /sys ${chroot_dir}/sys
+
+    # dns
+    cp -L /etc/resolv.conf ${chroot_dir}/etc/
+    mkdir -p ${chroot_dir}/root
+
+    # apk sources
+    mkdir -p ${chroot_dir}/etc/apk
+    echo "${mirror}/${branch}/main" > \
+    ${chroot_dir}/etc/apk/repositories
+}
+
+set_mirror && \
+# fix the start and end
+format_disk && \
+set_chroot_dir #&& \
+#set_arch && \
+#set_version && \
+#get_alpine && \
+#mk_chroot
+
+#cat << EOF | chroot ${chroot_dir} ash -l
+#mkdir boop
+#echo "did it work?"
+#EOF

startup.sh

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+apk add wireless-tools wpa_supplicant openssh
+ip link set wlan0 up
+iwconfig wlan0 essid "TheFoundry"
+wpa_passphrase "TheFoundry" "somethingclever" > /etc/wpa_supplicant/wpa_supplicant.conf
+wpa_supplicant -B -i wlan0 -c /etc/wpa_supplicant/wpa_supplicant.conf
+udhcpc -i wlan0
+# change /etc/ssh/sshd_config to have "PermitRootLogin yes"
+passwd #t
+rc-service sshd restart