165 lines
3.3 KiB
Bash
165 lines
3.3 KiB
Bash
#!/usr/bin/env bash
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set -Eeuo pipefail
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info () { printf "%b%s%b" "\E[1;34m❯ \E[1;36m" "$1" "\E[0m\n"; }
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error () { printf "%b%s%b" "\E[1;31m❯ " "ERROR: $1" "\E[0m\n" >&2; }
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warn () { printf "%b%s%b" "\E[1;31m❯ " "Warning: $1" "\E[0m\n" >&2; }
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trap 'error "Status $? while: $BASH_COMMAND (line $LINENO/$BASH_LINENO)"' ERR
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[ ! -f "/run/entry.sh" ] && error "Script must run inside Docker container!" && exit 11
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[ "$(id -u)" -ne "0" ] && error "Script must be executed with root privileges." && exit 12
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echo "❯ Starting $APP for Docker v$(</run/version)..."
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echo "❯ For support visit $SUPPORT"
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echo
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# Docker environment variables
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: "${BOOT:=""}" # URL of the ISO file
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: "${DEBUG:="N"}" # Disable debugging
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: "${MACHINE:="virt"}" # Machine selection
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: "${ALLOCATE:=""}" # Preallocate diskspace
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: "${ARGUMENTS:=""}" # Extra QEMU parameters
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: "${CPU_CORES:="1"}" # Amount of CPU cores
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: "${RAM_SIZE:="1G"}" # Maximum RAM amount
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: "${DISK_SIZE:="16G"}" # Initial data disk size
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: "${BOOT_INDEX:="10"}" # Boot index of CD drive
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# Helper variables
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STORAGE="/storage"
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INFO="/run/shm/msg.html"
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PAGE="/run/shm/index.html"
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TEMPLATE="/var/www/index.html"
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FOOTER1="$APP for Docker v$(</run/version)"
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FOOTER2="<a href='$SUPPORT'>$SUPPORT</a>"
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HOST=$(hostname -s)
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KERNEL=$(uname -r | cut -b 1)
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MINOR=$(uname -r | cut -d '.' -f2)
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ARCH=$(dpkg --print-architecture)
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VERS=$(qemu-system-aarch64 --version | head -n 1 | cut -d '(' -f 1)
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# Check system
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if [ ! -d "/dev/shm" ]; then
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error "Directory /dev/shm not found!" && exit 14
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else
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[ ! -d "/run/shm" ] && ln -s /dev/shm /run/shm
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fi
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# Check folder
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if [ ! -d "$STORAGE" ]; then
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error "Storage folder ($STORAGE) not found!" && exit 13
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fi
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# Helper functions
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isAlive() {
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local pid=$1
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if kill -0 "$pid" 2>/dev/null; then
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return 0
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fi
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return 1
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}
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pKill() {
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local pid=$1
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{ kill -15 "$pid" || true; } 2>/dev/null
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while isAlive "$pid"; do
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sleep 0.2
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done
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return 0
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}
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fWait() {
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local name=$1
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while pgrep -f -l "$name" >/dev/null; do
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sleep 0.2
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done
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return 0
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}
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fKill() {
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local name=$1
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{ pkill -f "$name" || true; } 2>/dev/null
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fWait "$name"
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return 0
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}
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escape () {
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local s
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s=${1//&/\&}
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s=${s//</\<}
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s=${s//>/\>}
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s=${s//'"'/\"}
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printf -- %s "$s"
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return 0
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}
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html()
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{
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local title
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local body
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local script
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local footer
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title=$(escape "$APP")
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title="<title>$title</title>"
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footer=$(escape "$FOOTER1")
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body=$(escape "$1")
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if [[ "$body" == *"..." ]]; then
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body="<p class=\"loading\">${body/.../}</p>"
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fi
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[ -n "${2:-}" ] && script="$2" || script=""
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local HTML
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HTML=$(<"$TEMPLATE")
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HTML="${HTML/\[1\]/$title}"
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HTML="${HTML/\[2\]/$script}"
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HTML="${HTML/\[3\]/$body}"
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HTML="${HTML/\[4\]/$footer}"
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HTML="${HTML/\[5\]/$FOOTER2}"
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echo "$HTML" > "$PAGE"
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echo "$body" > "$INFO"
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return 0
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}
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addPackage() {
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local pkg=$1
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local desc=$2
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if apt-mark showinstall | grep -qx "$pkg"; then
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return 0
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fi
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MSG="Installing $desc..."
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info "$MSG" && html "$MSG"
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DEBIAN_FRONTEND=noninteractive apt-get -qq update
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DEBIAN_FRONTEND=noninteractive apt-get -qq --no-install-recommends -y install "$pkg" > /dev/null
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return 0
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}
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# Start webserver
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cp -r /var/www/* /run/shm
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html "Starting $APP for Docker..."
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nginx -e stderr
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return 0
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