create_container.sh

#!/usr/bin/env bash

IOWETEA_IP_ADDRESS=192.168.1.11
IOWETEA_GATEWAY_IP=192.168.1.1
IOWETEA_CONTAINER_ID=101
IOWETEA_HOSTNAME=homeassistant

# Setup script environment
set -o errexit  #Exit immediately if a pipeline returns a non-zero status
set -o errtrace #Trap ERR from shell functions, command substitutions, and commands from subshell
set -o nounset  #Treat unset variables as an error
set -o pipefail #Pipe will exit with last non-zero status if applicable
shopt -s expand_aliases
alias die='EXIT=$? LINE=$LINENO error_exit'
trap die ERR
trap cleanup EXIT

function error_exit() {
  trap - ERR
  local DEFAULT='Unknown failure occured.'
  local REASON="\e[97m${1:-$DEFAULT}\e[39m"
  local FLAG="\e[91m[ERROR] \e[93m$EXIT@$LINE"
  msg "$FLAG $REASON"
  [ ! -z ${CTID-} ] && cleanup_ctid
  exit $EXIT
}
function warn() {
  local REASON="\e[97m$1\e[39m"
  local FLAG="\e[93m[WARNING]\e[39m"
  msg "$FLAG $REASON"
}
function info() {
  local REASON="$1"
  local FLAG="\e[36m[INFO]\e[39m"
  msg "$FLAG $REASON"
}
function msg() {
  local TEXT="$1"
  echo -e "$TEXT"
}
function cleanup_ctid() {
  if $(pct status $CTID &>/dev/null); then
    if [ "$(pct status $CTID | awk '{print $2}')" == "running" ]; then
      pct stop $CTID
    fi
    pct destroy $CTID
  elif [ "$(pvesm list $STORAGE --vmid $CTID)" != "" ]; then
    pvesm free $ROOTFS
  fi
}
function cleanup() {
  popd >/dev/null
  rm -rf $TEMP_DIR
}
TEMP_DIR=$(mktemp -d)
pushd $TEMP_DIR >/dev/null

# Download setup script
REPO="https://github.com/whiskerz007/proxmox_hassio_lxc"
wget -qO - ${REPO}/tarball/master | tar -xz --strip-components=1

# Select storage location
while read -r line; do
  TAG=$(echo $line | awk '{print $1}')
  TYPE=$(echo $line | awk '{printf "%-10s", $2}')
  FREE=$(echo $line | numfmt --field 4-6 --from-unit=K --to=iec --format %.2f | awk '{printf( "%9sB", $6)}')
  ITEM="  Type: $TYPE Free: $FREE "
  OFFSET=2
  if [[ $((${#ITEM} + $OFFSET)) -gt ${MSG_MAX_LENGTH:-} ]]; then
    MSG_MAX_LENGTH=$((${#ITEM} + $OFFSET))
  fi
  STORAGE_MENU+=( "$TAG" "$ITEM" "OFF" )
done < <(pvesm status -content rootdir | awk 'NR>1')
if [ $((${#STORAGE_MENU[@]}/3)) -eq 0 ]; then
  warn "'Container' needs to be selected for at least one storage location."
  die "Unable to detect valid storage location."
elif [ $((${#STORAGE_MENU[@]}/3)) -eq 1 ]; then
  STORAGE=${STORAGE_MENU[0]}
else
  while [ -z "${STORAGE:+x}" ]; do
    STORAGE=$(whiptail --title "Storage Pools" --radiolist \
    "Which storage pool you would like to use for the container?\n\n" \
    16 $(($MSG_MAX_LENGTH + 23)) 6 \
    "${STORAGE_MENU[@]}" 3>&1 1>&2 2>&3) || exit
  done
fi
info "Using '$STORAGE' for storage location."

# Get the next guest VM/LXC ID
CTID=$IOWETEA_CONTAINER_ID
info "Container ID is $CTID."

# Download latest Debian LXC template
msg "Updating LXC template list..."
pveam update >/dev/null
msg "Downloading LXC template..."
OSTYPE=debian
OSVERSION=${OSTYPE}-10
mapfile -t TEMPLATES < <(pveam available -section system | sed -n "s/.*\($OSVERSION.*\)/\1/p" | sort -t - -k 2 -V)
TEMPLATE="${TEMPLATES[-1]}"
pveam download local $TEMPLATE >/dev/null ||
  die "A problem occured while downloading the LXC template."

# Create variables for container disk
STORAGE_TYPE=$(pvesm status -storage $STORAGE | awk 'NR>1 {print $2}')
case $STORAGE_TYPE in
  dir|nfs)
    DISK_EXT=".raw"
    DISK_REF="$CTID/"
    ;;
  zfspool)
    DISK_PREFIX="subvol"
    DISK_FORMAT="subvol"
    ;;
esac
DISK=${DISK_PREFIX:-vm}-${CTID}-disk-0${DISK_EXT-}
ROOTFS=${STORAGE}:${DISK_REF-}${DISK}

# Create LXC
msg "Creating LXC container..."
DISK_SIZE=4G
pvesm alloc $STORAGE $CTID $DISK $DISK_SIZE --format ${DISK_FORMAT:-raw} >/dev/null
if [ "$STORAGE_TYPE" == "zfspool" ]; then
  warn "Some addons may not work due to ZFS not supporting 'fallocate'."
else
  mkfs.ext4 $(pvesm path $ROOTFS) &>/dev/null
fi
ARCH=$(dpkg --print-architecture)
HOSTNAME=$IOWETEA_HOSTNAME
TEMPLATE_STRING="local:vztmpl/${TEMPLATE}"
PCT_OPTIONS=(
  -arch $ARCH
  -cmode shell
  -features nesting=1
  -hostname $HOSTNAME
  -net0 name=eth0,bridge=vmbr0,ip=$IOWETEA_IP_ADDRESS/24,gw=$IOWETEA_GATEWAY_IP
  -onboot 1
  -ostype $OSTYPE
  -rootfs $ROOTFS,size=$DISK_SIZE
  -storage $STORAGE
  -tags homeassistant
)
pct create $CTID $TEMPLATE_STRING ${PCT_OPTIONS[@]} >/dev/null

# Modify LXC permissions to support Docker
LXC_CONFIG=/etc/pve/lxc/${CTID}.conf
cat <<EOF >> $LXC_CONFIG
lxc.cgroup.devices.allow: a
lxc.cap.drop:
EOF

# Load modules for Docker before starting LXC
cat << 'EOF' >> $LXC_CONFIG
lxc.hook.pre-start: sh -ec 'for module in aufs overlay; do modinfo $module; $(lsmod | grep -Fq $module) || modprobe $module; done;'
EOF

# Set autodev hook to enable access to devices in container
bash ./set_autodev_hook.sh $CTID

# Set container timezone to match host
cat << 'EOF' >> $LXC_CONFIG
lxc.hook.mount: sh -c 'ln -fs $(readlink /etc/localtime) ${LXC_ROOTFS_MOUNT}/etc/localtime'
EOF

# Setup container for Home Assistant
msg "Starting LXC container..."
pct start $CTID

### Begin LXC commands ###
alias lxc-cmd="lxc-attach -n $CTID --"
# Prepare container OS
msg "Setting up container OS..."
lxc-cmd dhclient -4
lxc-cmd sed -i "/$LANG/ s/\(^# \)//" /etc/locale.gen
lxc-cmd locale-gen >/dev/null
lxc-cmd apt-get -y purge openssh-{client,server} >/dev/null

# Update container OS
msg "Updating container OS..."
lxc-cmd apt-get update >/dev/null
lxc-cmd apt-get -qqy upgrade &>/dev/null

# Install prerequisites
msg "Installing prerequisites..."
lxc-cmd apt-get -qqy install \
    avahi-daemon curl jq network-manager xterm &>/dev/null

# Install Docker
msg "Installing Docker..."
lxc-cmd sh <(curl -sSL https://get.docker.com) &>/dev/null

# Configure Docker configuration
msg "Configuring Docker..."
DOCKER_CONFIG_PATH='/etc/docker/daemon.json'
HA_URL_BASE=https://github.com/home-assistant/supervised-installer/raw/master/files
lxc-cmd mkdir -p $(dirname $DOCKER_CONFIG_PATH)
lxc-cmd wget -qLO $DOCKER_CONFIG_PATH ${HA_URL_BASE}/docker_daemon.json
lxc-cmd systemctl restart docker

# Configure NetworkManager
msg "Configuring NetworkManager..."
NETWORKMANAGER_CONFIG_PATH='/etc/NetworkManager/NetworkManager.conf'
lxc-cmd wget -qLO $NETWORKMANAGER_CONFIG_PATH ${HA_URL_BASE}/NetworkManager.conf
lxc-cmd sed -i 's/type\:veth/interface-name\:veth\*/' $NETWORKMANAGER_CONFIG_PATH
lxc-cmd dhclient -r &> /dev/null
lxc-cmd systemctl restart NetworkManager
lxc-cmd nm-online -q

# Create Home Assistant config
msg "Creating Home Assistant config..."
HASSIO_CONFIG_PATH=/etc/hassio.json
HASSIO_DOCKER=homeassistant/amd64-hassio-supervisor
HASSIO_MACHINE=qemux86-64
HASSIO_DATA_PATH=/usr/share/hassio
lxc-cmd bash -c "cat > $HASSIO_CONFIG_PATH <<- EOF
{
    \"supervisor\": \"${HASSIO_DOCKER}\",
    \"machine\": \"${HASSIO_MACHINE}\",
    \"data\": \"${HASSIO_DATA_PATH}\"
}
EOF
"

# Pull Home Assistant Supervisor image
msg "Downloading Home Assistant Supervisor container..."
HASSIO_VERSION=$(lxc-cmd bash -c "curl -s https://version.home-assistant.io/stable.json | jq -e -r '.supervisor'")
lxc-cmd docker pull "$HASSIO_DOCKER:$HASSIO_VERSION" > /dev/null
lxc-cmd docker tag "$HASSIO_DOCKER:$HASSIO_VERSION" "$HASSIO_DOCKER:latest" > /dev/null

# Install Home Assistant Supervisor
msg "Installing Home Assistant Supervisor..."
HASSIO_SUPERVISOR_PATH=/usr/sbin/hassio-supervisor
HASSIO_SUPERVISOR_SERVICE=/etc/systemd/system/hassio-supervisor.service
lxc-cmd wget -qLO $HASSIO_SUPERVISOR_PATH ${HA_URL_BASE}/hassio-supervisor
lxc-cmd chmod a+x $HASSIO_SUPERVISOR_PATH
lxc-cmd wget -qLO $HASSIO_SUPERVISOR_SERVICE ${HA_URL_BASE}/hassio-supervisor.service
lxc-cmd sed -i "s,%%HASSIO_CONFIG%%,${HASSIO_CONFIG_PATH},g" $HASSIO_SUPERVISOR_PATH
lxc-cmd sed -i -e "s,%%BINARY_DOCKER%%,/usr/bin/docker,g" \
  -e "s,%%SERVICE_DOCKER%%,docker.service,g" \
  -e "s,%%BINARY_HASSIO%%,${HASSIO_SUPERVISOR_PATH},g" \
  $HASSIO_SUPERVISOR_SERVICE
lxc-cmd systemctl enable hassio-supervisor.service > /dev/null 2>&1

# Create service to fix Home Assistant boot time check
msg "Creating service to fix boot time check..."
pct push $CTID hassio-fix-btime.service /etc/systemd/system/hassio-fix-btime.service
lxc-cmd mkdir -p ${HASSIO_SUPERVISOR_SERVICE}.wants
lxc-cmd ln -s /etc/systemd/system/{hassio-fix-btime.service,hassio-supervisor.service.wants/}

# Start Home Assistant Supervisor
msg "Starting Home Assistant..."
lxc-cmd systemctl start hassio-supervisor.service

# Install 'ha' cli
msg "Installing the 'ha' cli..."
lxc-cmd wget -qLO /usr/bin/ha ${HA_URL_BASE}/ha
lxc-cmd chmod a+x /usr/bin/ha

# Setup 'ha' cli prompt
msg "Configuring 'ha' cli prompt..."
HA_CLI_PATH=/usr/sbin/hassio-cli
lxc-cmd wget -qLO $HA_CLI_PATH https://github.com/home-assistant/operating-system/raw/dev/buildroot-external/rootfs-overlay/usr/sbin/hassos-cli
lxc-cmd sed -i 's,/bin/ash,/bin/bash,g' $HA_CLI_PATH
lxc-cmd sed -i 's,^\(mesg n.*\)$,# \1,' /root/.profile
lxc-cmd chmod a+x $HA_CLI_PATH
lxc-cmd usermod --shell $HA_CLI_PATH root
lxc-cmd bash -c "echo -e '\ncd $HASSIO_DATA_PATH' >> /root/.bashrc"

# Cleanup container
msg "Cleanup..."
lxc-cmd apt-get autoremove >/dev/null
lxc-cmd apt-get autoclean >/dev/null
lxc-cmd rm -rf /var/{cache,log}/* /var/lib/apt/lists/*
### Finish LXC commands ###

# Get network details and show completion message
IP=$(pct exec $CTID ip a s dev eth0 | sed -n '/inet / s/\// /p' | awk '{print $2}')
info "Successfully created Home Assistant LXC to $CTID."
msg "

Home Assistant is reachable by going to the following URLs.

      http://${IP}:8123
      http://${HOSTNAME}.local:8123

"