From 75891d0d4efe1593d095157b2edbf961e0e94664 Mon Sep 17 00:00:00 2001
From: Clayton Voges <vogesclayton@gmail.com>
Date: Sun, 29 Aug 2021 21:48:18 +0000
Subject: [PATCH] First commit

---
 ANSWERFILE     |  17 +++++++
 README.md      |  10 ++++
 alpine_init.sh |  42 +++++++++++++++
 chroot_init.sh |  18 +++++++
 main.sh        | 135 -------------------------------------------------
 startup.sh     |   9 ----
 6 files changed, 87 insertions(+), 144 deletions(-)
 create mode 100644 ANSWERFILE
 create mode 100644 README.md
 create mode 100644 alpine_init.sh
 create mode 100644 chroot_init.sh
 delete mode 100644 main.sh
 delete mode 100644 startup.sh

diff --git a/ANSWERFILE b/ANSWERFILE
new file mode 100644
index 0000000..8d7d400
--- /dev/null
+++ b/ANSWERFILE
@@ -0,0 +1,17 @@
+KEYMAPOPTS="us us"
+HOSTNAMEOPTS="-n cvoges12home-desktop-0"
+INTERFACESOPTS="auto lo
+iface lo inet loopback
+
+auto eth0
+iface eth0 inet dhcp
+    hostname cvoges12home-desktop-0
+    gateway eth0
+"
+DNSOPTS="-n 9.9.9.9"
+TIMEZONEOPTS="-z UTC"
+PROXYOPTS="none"
+APKREPOSOPTS="-f"
+SSHDOPTS="-c openssh"
+NTPOPTS="-c chrony"
+DISKOPTS="none"
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..c3b05e3
--- /dev/null
+++ b/README.md
@@ -0,0 +1,10 @@
+# Alpine Chroot
+
+To create a base alpine chroot on any alpine system, run:
+
+```sh
+chmod +x *.sh
+./alpine_init.sh
+```
+
+Assuming your current working directory is the directory of the cloned repository.
diff --git a/alpine_init.sh b/alpine_init.sh
new file mode 100644
index 0000000..d6f7cd8
--- /dev/null
+++ b/alpine_init.sh
@@ -0,0 +1,42 @@
+setup-alpine -f ANSWERFILE
+
+# setting fastest edge repos in repo list
+grep "edge" /etc/apk/repositories | sed "s/^#//" > repositories
+mv repositories /etc/apk/repositories
+
+# setting the mirror
+apk add curl
+curl -LO http://nl.alpinelinux.org/alpine/MIRRORS.txt
+mirror=`grep $(head -n 1 /etc/apk/repositories) | sed -e "s/.*\/\///" | sed -e "s/\//\ /" | awk '{print $1}') MIRRORS.txt`
+rm MIRRORS.txt
+
+# setting the chroot dir
+mkdir -p /mnt/chroot
+chroot_dir="/mnt/chroot"
+
+# setting the arch (change if needed)
+arch=$(uname -m)
+
+
+# set up apk
+version="edge"
+curl -LO ${mirror}/latest-stable/main/${arch}/apk-tools-static-${version}.apk
+tar -xzf apk-tools-static-*.apk
+
+# install the alpine base installation onto the chroot
+./sbin/apk.static -X ${mirror}/latest-stable/main -U --allow-untrusted -p ${chroot_dir} --initdb add alpine-base
+
+# seting up the chroot
+mount -o bind /dev ${chroot_dir}/dev
+mount -t proc none ${chroot_dir}/proc
+mount -o bind /sys ${chroot_dir}/sys
+
+# set up name resolution
+cp -L /etc/resolv.conf ${chroot_dir}/etc/
+
+# prepare the APK repositories
+branch=$version # change if you want a specific version
+mkdir -p ${chroot_dir}/etc/apk
+echo "${mirror}/${branch}/main" > ${chroot_dir}/etc/apk/repositories
+
+chroot ${chroot_dir} chroot_init.sh
diff --git a/chroot_init.sh b/chroot_init.sh
new file mode 100644
index 0000000..948428f
--- /dev/null
+++ b/chroot_init.sh
@@ -0,0 +1,18 @@
+# preparing init services
+rc-update add devfs sysinit
+rc-update add dmesg sysinit
+rc-update add mdev sysinit
+
+rc-update add hwclock boot
+rc-update add modules boot
+rc-update add sysctl boot
+rc-update add hostname boot
+rc-update add bootmisc boot
+rc-update add syslog boot
+
+rc-update add mount-ro shutdown
+rc-update add killprocs shutdown
+rc-update add savecache shutdown
+
+# login shell
+sh -l
diff --git a/main.sh b/main.sh
deleted file mode 100644
index 22e8019..0000000
--- a/main.sh
+++ /dev/null
@@ -1,135 +0,0 @@
-#!/usr/bin/env ash
-
-format_disk(){
-    echo "===FORMATTING DISK==="
-    apk add parted e2fsprogs
-
-    ram="8"         # in whole number GiB (round up)
-    table="EFI-GPT"     # EFI-GPT or MBR or BIOS-GPT
-
-    [ "$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
diff --git a/startup.sh b/startup.sh
deleted file mode 100644
index 25aeb4d..0000000
--- a/startup.sh
+++ /dev/null
@@ -1,9 +0,0 @@
-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