Rewrite of the installation script and accompanying documentation. (#15)

Rewrite of the installation script and accompanying documentation.

scripts/build.sh

@@ -0,0 +1,123 @@
+#!/bin/bash
+#
+# This file is part of Moonfire NVR, a security camera network video recorder.
+# Copyright (C) 2016-17 Scott Lamb <slamb@slamb.org>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# In addition, as a special exception, the copyright holders give
+# permission to link the code of portions of this program with the
+# OpenSSL library under certain conditions as described in each
+# individual source file, and distribute linked combinations including
+# the two.
+#
+# You must obey the GNU General Public License in all respects for all
+# of the code used other than OpenSSL. If you modify file(s) with this
+# exception, you may extend this exception to your version of the
+# file(s), but you are not obligated to do so. If you do not wish to do
+# so, delete this exception statement from your version. If you delete
+# this exception statement from all source files in the program, then
+# also delete it here.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+. `dirname ${BASH_SOURCE[0]}`/script-functions.sh
+
+initEnvironmentVars
+
+# Process command line options
+#
+while getopts ":Bt" opt; do
+	case $opt in
+	  B)    BUILD_ONLY=1
+		;;
+	  t)    IGNORE_TESTS=1
+		;;
+	  :)
+		echo "Option -$OPTARG requires an argument." >&2
+		exit 1
+		;;
+	  \?)
+		echo "Invalid option: -$OPTARG" >&2
+		exit 1
+		;;
+	esac
+done
+
+# Setup cargo if files are present
+#
+initCargo
+
+# Check environment
+#
+
+rv=$(getVersion rustc 0.0)
+if ! versionAtLeast "$rv" "$RUSTC_MIN_VERSION"; then
+	echo "rustc not present or version less than $RUSTC_MIN_VERSION"
+	exit 1
+fi
+
+cv=$(getVersion cargo 0.0)
+if ! versionAtLeast "$cv" "$CARGO_MIN_VERSION"; then
+	echo "cargo not present or version less than $CARGO_MIN_VERSION"
+	exit 1
+fi
+
+yv=$(getVersion yarn 0.0)
+if ! versionAtLeast "$yv" "$YARN_MIN_VERSION"; then
+	echo "yarn not present or version less than $YARN_MIN_VERSION"
+	exit 1
+fi
+
+# Building main server component
+#
+if [ "${FORCE_CLEAN:-0}" -eq 1 ]; then
+	echo "Forcing clean server build..."; echo
+	cargo clean
+fi
+
+echo "Building test version..."; echo
+if ! cargo test; then
+	echo "test failed."
+	echo "Try to run the following manually for more info"
+	echo "RUST_TEST_THREADS=1 cargo test --verbose"
+	echo
+	if [ "${IGNORE_TESTS:-0}" -ne 1 ]; then
+		exit 1
+	fi
+fi
+if ! cargo build --release; then
+	echo "Server/release build failed."
+	echo "Try to run the following manually for more info"
+	echo "RUST_TEST_THREADS=1 cargo build --release --verbose"
+	echo
+	exit 1
+fi
+
+# Building UI components
+#
+echo "Building UI components..."; echo
+if ! yarn build; then
+	echo "UI build failed."
+	echo "yarn build"
+	echo
+	exit 1
+fi
+
+# Stop if build only is desired
+#
+if [ "${BUILD_ONLY:-0}" != 0 ]; then
+        echo "Build (only) complete, exiting"; echo
+        exit 0
+fi
+. `dirname ${BASH_SOURCE[0]}`/install.sh

scripts/clean.sh

@@ -0,0 +1,3 @@
+#!/bin/sh
+#
+rm -fr node_modules

scripts/install.sh

@@ -0,0 +1,139 @@
+#!/bin/bash
+#
+# This file is part of Moonfire NVR, a security camera network video recorder.
+# Copyright (C) 2016-17 Scott Lamb <slamb@slamb.org>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# In addition, as a special exception, the copyright holders give
+# permission to link the code of portions of this program with the
+# OpenSSL library under certain conditions as described in each
+# individual source file, and distribute linked combinations including
+# the two.
+#
+# You must obey the GNU General Public License in all respects for all
+# of the code used other than OpenSSL. If you modify file(s) with this
+# exception, you may extend this exception to your version of the
+# file(s), but you are not obligated to do so. If you do not wish to do
+# so, delete this exception statement from your version. If you delete
+# this exception statement from all source files in the program, then
+# also delete it here.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+. `dirname ${BASH_SOURCE[0]}`/script-functions.sh
+
+# Determine directory path of this script
+#
+initEnvironmentVars
+
+# Process command line options
+#
+while getopts ":s" opt; do
+	case $opt in
+	  s)    NO_SERVICE=1
+		;;
+	  :)
+		echo "Option -$OPTARG requires an argument." >&2
+		exit 1
+		;;
+	  \?)
+		echo "Invalid option: -$OPTARG" >&2
+		exit 1
+		;;
+	esac
+done
+
+
+sudo install -m 755 target/release/moonfire-nvr ${SERVICE_BIN}
+if [ -x "${SERVICE_BIN}" ]; then
+	echo "Server Binary installed..."; echo
+else
+	echo "Server build failed to install..."; echo
+	exit 1
+fi
+if [ ! -d "${LIB_DIR}" ]; then
+	sudo mkdir "${LIB_DIR}"
+fi
+if [ -d "ui-dist" ]; then
+	sudo mkdir -p "${LIB_DIR}/ui"
+	sudo cp -R ui-dist/. "${LIB_DIR}/ui/"
+	sudo chown -R ${NVR_USER}:${NVR_GROUP} "${LIB_DIR}/ui/"
+	echo "Server UI installed..."; echo
+else
+	echo "Server UI failed to build or install..."; echo
+	exit 1
+fi
+
+if [ "${NO_SERVICE:-0}" != 0 ]; then
+	echo "Not configuring systemctl service. Done"; echo
+	exit 0
+fi
+
+# Make sure user was created
+#
+if ! userExists "${NVR_USER}"; then
+	echo "NVR_USER=${NVR_USER} was not created. Do so manually"
+	echo "or run the setup script."
+	exit 1
+fi
+
+
+# Prepare service files for socket when using priviliged port
+#
+SOCKET_SERVICE_PATH="/etc/systemd/system/${SERVICE_NAME}.socket"
+if [ $NVR_PORT -lt 1024 ]; then
+	echo_fatal "NVR_PORT ($NVR_PORT) < 1024: priviliged ports not supported"
+	exit 1
+fi
+
+# Prepare service files for moonfire
+#
+SERVICE_PATH="/etc/systemd/system/${SERVICE_NAME}.service"
+sudo sh -c "cat > ${SERVICE_PATH}" <<NVR_EOF
+[Unit]
+Description=${SERVICE_DESC}
+After=network-online.target
+
+[Service]
+ExecStart=${SERVICE_BIN} run \\
+    --sample-file-dir=${SAMPLE_MEDIA_DIR}/${SAMPLE_FILE_DIR} \\
+    --db-dir=${DB_DIR} \\
+    --ui-dir=${LIB_DIR}/ui \\
+    --http-addr=0.0.0.0:${NVR_PORT}
+Environment=TZ=:/etc/localtime
+Environment=MOONFIRE_FORMAT=google-systemd
+Environment=MOONFIRE_LOG=info
+Environment=RUST_BACKTRACE=1
+Type=simple
+User=${NVR_USER}
+Nice=-20
+Restart=on-abnormal
+CPUAccounting=true
+MemoryAccounting=true
+BlockIOAccounting=true
+
+[Install]
+WantedBy=multi-user.target
+NVR_EOF
+
+# Configure and start service
+#
+if [ -f "${SERVICE_PATH}" ]; then
+	echo 'Configuring system daemon...'; echo
+	sudo systemctl daemon-reload
+	sudo systemctl enable ${SERVICE_NAME}
+	sudo systemctl restart ${SERVICE_NAME}
+	echo 'Getting system daemon status...'; echo
+	sudo systemctl status ${SERVICE_NAME}
+fi

scripts/script-functions.sh

@@ -0,0 +1,236 @@
+#
+# This file is part of Moonfire NVR, a security camera network video recorder.
+# Copyright (C) 2016-2017 Scott Lamb <slamb@slamb.org>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# In addition, as a special exception, the copyright holders give
+# permission to link the code of portions of this program with the
+# OpenSSL library under certain conditions as described in each
+# individual source file, and distribute linked combinations including
+# the two.
+#
+# You must obey the GNU General Public License in all respects for all
+# of the code used other than OpenSSL. If you modify file(s) with this
+# exception, you may extend this exception to your version of the
+# file(s), but you are not obligated to do so. If you do not wish to do
+# so, delete this exception statement from your version. If you delete
+# this exception statement from all source files in the program, then
+# also delete it here.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+if [ -z "$BASH_VERSION" ]; then
+	echo "Script must run using bash (/bin/bash), not dash (/bin/sh)."
+	exit 1
+fi
+
+# Useful constants
+#
+NODE_MIN_VERSION="8"
+YARN_MIN_VERSION="1.0"
+CARGO_MIN_VERSION="0.2"
+RUSTC_MIN_VERSION="1.17"
+FFMPEG_MIN_VERSION="55.1.101"
+FFMPEG_RELEASE_VERSION="3.4"
+
+normalizeDirPath()
+{
+	echo "$( cd -P "$1" && pwd )"
+}
+
+resolvePath()
+{
+	local d="$1"
+	while [ -h "$d" ]; do # resolve $d until file no longer a symlink
+		DIR="$( cd -P "$( dirname "$d" )" && pwd )"
+		d="$(readlink "$d")"
+		# if $d was rel symlink, resolve relative to path of symlink
+		[[ "$d" != /* ]] && ="$DIR/$d"
+	done 
+	echo "$d"
+}
+
+functionsInit()
+{
+	local p="$(resolvePath "${BASH_SOURCE[0]}")"
+	MOONFIRE_DIR="$(normalizeDirPath "`dirname "${p}"`/..")"
+}
+
+catPrefix()
+{
+	sed -e "s/^/$2/" < "$1"
+}
+
+
+
+# Read possible user config and then compute all derived environment
+# variables used by the script(s).
+#
+initEnvironmentVars()
+{
+	test -z "${MOONFIRE_DIR}" && functionsInit
+	if [ -r "${MOONFIRE_DIR}/prep.config" ]; then
+		. "${MOONFIRE_DIR}/prep.config"
+	fi
+	SRC_DIR="$(resolvePath "$MOONFIRE_DIR/src")"
+	NVR_USER="${NVR_USER:-moonfire-nvr}"
+	NVR_GROUP="${NVR_GROUP:-$NVR_USER}"
+	NVR_PORT="${NVR_PORT:-8080}"
+	NVR_HOME_BASE="${NVR_HOME_BASE:-/var/lib}"
+	NVR_HOME="${NVR_HOME_BASE}/${NVR_USER}"
+	DB_NAME="${DB_NAME:-db}"
+	DB_DIR="${DB_DIR:-$NVR_HOME}/${DB_NAME}"
+	SAMPLE_FILE_DIR="${SAMPLE_FILE_DIR:-sample}"
+	SAMPLE_MEDIA_DIR="${SAMPLE_MEDIA_DIR:-$NVR_HOME}"
+	SERVICE_NAME="${SERVICE_NAME:-moonfire-nvr}"
+	SERVICE_DESC="${SERVICE_DESC:-Moonfire NVR}"
+	SERVICE_BIN="${SERVICE_BIN:-/usr/local/bin/moonfire-nvr}"
+	LIB_DIR="${UI_DIR:-/usr/local/lib/moonfire-nvr}"
+}
+
+# Create file with confguration variables that are user changeable.
+# Not all variables are included here, only the likely ones to be
+# modified.
+# If the file already exists, it will not be modified
+# 
+makePrepConfig()
+{
+	test -z "${MOONFIRE_DIR}" && functionsInit
+	if [ ! -f "${MOONFIRE_DIR}/prep.config" ]; then
+		cat >"${MOONFIRE_DIR}/prep.config" <<-EOF_CONFIG
+			NVR_USER=$NVR_USER
+			NVR_PORT=$NVR_PORT
+			SAMPLE_FILE_DIR=$SAMPLE_FILE_DIR
+			#SAMPLE_MEDIA_DIR=/mount/media
+			SERVICE_NAME=$SERVICE_NAME
+			SERVICE_DESC="$SERVICE_DESC"
+EOF_CONFIG
+		echo "File prep.config newly created. Inspect and change as necessary."
+		echo "When done, re-run this setup script. Currently it contains:"
+		catPrefix "${MOONFIRE_DIR}/prep.config" "    "
+		exit 0
+	else
+		echo "Setting up with variables:"
+		catPrefix "${MOONFIRE_DIR}/prep.config" "    "
+		echo ""
+	fi
+}
+
+# Extract version data from stdin, possibly grepping first against
+# single argument.
+#
+extractVersion()
+{
+	local pattern="$1"
+
+	if [ -n "${pattern}" ]; then
+		grep "$pattern" | sed -e 's/[^0-9.]*\([0-9. ]*\).*/\1/' | tr -d ' '
+	else
+		sed -e 's/[^0-9.]*\([0-9. ]*\).*/\1/' | tr -d ' '
+	fi
+}
+
+getAVersion()
+{
+	local v=`$1 $2 2>/dev/null | extractVersion`
+	if [ "X${v}" = "X" ]; then echo "$3"; else echo "${v}"; fi
+}
+
+getVersion()
+{
+	getAVersion $1 --version $2
+}
+
+getClassicVersion()
+{
+	getAVersion $1 -version $2
+}
+
+versionAtLeast()
+{
+	v1=(${1//./ } 0 0 0); v1=("${v1[@]:0:3}")
+	v2=(${2//./ } 0 0 0); v2=("${v2[@]:0:3}")
+	
+	for i in 0 1 2; do
+		if [ "${v1[$i]}" -gt "${v2[$i]}" ]; then return 0; fi
+		if [ "${v1[$i]}" -lt "${v2[$i]}" ]; then return 1; fi
+	done
+	return 0
+}
+
+initCargo()
+{
+	if [ -r ~/.cargo/env ]; then
+		source ~/.cargo/env
+	fi
+}
+
+userExists()
+{
+	return $(id -u "$1" >/dev/null 2>&1)
+}
+
+groupExists()
+{
+	return $(id -g "$1" >/dev/null 2>&1)
+}
+
+moonfire()
+{
+	case "$1" in
+	start)
+		sudo systemctl start "$2"
+		;;
+	stop)
+		sudo systemctl stop "$2"
+		;;
+	esac
+}
+
+# Add/update cameras in the database
+#
+# $1: path to cameras.sql file
+# $2: moonfire service name
+# $3: moonfire user name
+# $4: moonfire database path
+#
+addCameras()
+{
+	local cpath="${CAMERAS_PATH:-$1}"
+	if [ -r "${cpath}" ]; then
+		echo 'Add cameras...'; echo
+		# Before adding cameras, must stop service
+		moonfire stop "${SERVICE_NAME:-$2}" >/dev/null 2>&1
+		sudo -u ${NVR_USER:-$3} -H sqlite3 "${DB_PATH:-$4}" < "${cpath}"
+		moonfire start "${SERVICE_NAME:-$2}" >/dev/null 2>&1
+	fi
+}
+
+echo_stderr()
+{
+	echo "$@" 1>&2
+}
+
+echo_warn()
+{
+	echo_stderr "WARNING: $@"
+	echo_stderr
+}
+
+echo_fatal()
+{
+	echo_stderr "ERROR: $@"
+	echo_stderr
+	exit 1;
+}

scripts/setup-ubuntu.sh

@@ -0,0 +1,257 @@
+#!/bin/bash
+#
+# This file is part of Moonfire NVR, a security camera network video recorder.
+# Copyright (C) 2016-2017 Scott Lamb <slamb@slamb.org>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# In addition, as a special exception, the copyright holders give
+# permission to link the code of portions of this program with the
+# OpenSSL library under certain conditions as described in each
+# individual source file, and distribute linked combinations including
+# the two.
+#
+# You must obey the GNU General Public License in all respects for all
+# of the code used other than OpenSSL. If you modify file(s) with this
+# exception, you may extend this exception to your version of the
+# file(s), but you are not obligated to do so. If you do not wish to do
+# so, delete this exception statement from your version. If you delete
+# this exception statement from all source files in the program, then
+# also delete it here.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+. `dirname ${BASH_SOURCE[0]}`/script-functions.sh
+
+initEnvironmentVars
+makePrepConfig
+
+
+# Process command line options
+#
+while getopts ":f" opt; do
+	case $opt in
+	  f)    DONT_BUILD_FFMPEG=1
+		;;
+	  :)
+		echo_fatal "Option -$OPTARG requires an argument." >&2
+		;;
+	  \?)
+		echo_fatal "Invalid option: -$OPTARG" >&2
+		;;
+	esac
+done
+
+# Setup all apt packages we need
+#
+echo 'Preparing and downloading packages we need...'; echo
+PKGS="build-essential pkg-config sqlite3"
+#PKGS="$PKGS libavcodec-dev libavformat-dev libavutil-dev"
+PKGS="$PKGS libncurses5-dev libncursesw5-dev"
+PKGS="$PKGS libsqlite3-dev libssl-dev"
+
+# Add yarn before NodeSource so it can all go in one update
+#
+yv=$(getVersion yarn "NA")
+if [ ${yv} = "NA" ]; then
+	curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg |\
+			 sudo apt-key add -
+	echo "deb https://dl.yarnpkg.com/debian/ stable main" |\
+			 sudo tee /etc/apt/sources.list.d/yarn.list
+	PKGS="$PKGS yarn"
+fi
+
+# Check for minimum node version
+#
+nv=$(getVersion node 0)
+if ! versionAtLeast "$nv" "$NODE_MIN_VERSION"; then
+	# Nodesource will also make sure we have apt-transport-https
+	# and will run apt-get-update when done
+	#
+	curl -sL https://deb.nodesource.com/setup_${NODE_MIN_VERSION}.x |
+								sudo -E bash -
+	PKGS="$PKGS nodejs"
+	DO_UPDATE=0
+else
+	PKGS="$PKGS apt-transport-https"
+fi
+
+# Run apt-get update if still necessary
+#
+if [ ${DO_UPDATE:-1} ]; then sudo apt-get update -y; fi
+
+# Install necessary pakackes
+#
+sudo apt-get install -y $PKGS
+sudo apt-get autoremove -y
+
+# Check for ffmpeg and install by building if necessary
+# This needs to be done before building moonfire so it can
+# find the right versions of the libraries.
+#
+ffv=`ffmpeg -version 2>/dev/null | extractVersion libavutil`
+ffv=${ffv:-0}
+if ! versionAtLeast "$ffv" "$FFMPEG_MIN_VERSION"; then
+	if [ "${DONT_BUILD_FFMPEG:-0}" -ne 0 ]; then
+		echo "ffmpeg version (${ffv}) installed is too old for moonfire."
+		echo "Suggest you manually install at least version $FFMPEG_MIN_VERSION of libavutil."
+		echo "ffmpeg versions 2.x and 3.x all should work."
+	else
+		OLDDIR=`pwd`
+		cd ..
+		if [ -d FFmpeg ]; then
+			echo "Removing older FFmpeg directory..."; echo
+			rm -fr FFmpeg
+		fi
+		echo "Fetching FFmpeg source..."; echo
+		git clone --depth 1 -b "release/${FFMPEG_RELEASE_VERSION}" https://github.com/FFmpeg/FFmpeg.git
+		cd FFmpeg
+		pt=`uname -p 2>& /dev/null`
+		if [ -z "${pt##*86*}" ]; then
+			sudo apt-get install -y yasm
+		fi
+		./configure --enable-shared
+		make
+		sudo make install
+		sudo ldconfig
+		cd "$OLDDIR"
+		OLDDIR=
+	fi
+else
+	echo "FFmpeg is already usable..."; echo
+fi
+
+# If cargo appears installed, initialize for using it so rustc can be found
+#
+initCargo
+
+# Make sure we have rust and cargo
+rv=$(getVersion rustc 0.0)
+if ! versionAtLeast "$rv" "$RUSTC_MIN_VERSION"; then
+	echo "Installing latest rust and cargo..."; echo
+	curl https://sh.rustup.rs -sSf | sh -s - -y
+	initCargo
+fi
+
+cv=$(getVersion cargo "NA")
+if [ ${cv} = "NA" ]; then
+	echo "Cargo is not (properly) installed, but rust is."
+	echo "Suggest you install the latest rustup, or manually install cargo."
+	echo "Install using: curl https://sh.rustup.rs -sSf | sh -s -y"
+	exit 1
+fi
+
+# Now make sure we have dev environment and tools for the UI portion
+#
+echo "Installing all dependencies with yarn..."
+yarn install
+
+finish()
+{
+	if [ -z "${OLDDIR}" ]; then
+		cd "${OLDDIR}"
+	fi
+}
+trap finish EXIT
+
+# Create user and groups if not there
+#
+echo
+echo "Create user/group and directories we need..."; echo
+if ! groupExists "${NVR_GROUP}"; then
+	sudo addgroup --quiet --system ${NVR_GROUP}
+fi
+if ! userExists "${NVR_USER}"; then
+	sudo adduser --quiet --system ${NVR_USER} \
+		--ingroup "${NVR_GROUP}" --home "${NVR_HOME}"
+fi
+if [ ! -d "${NVR_HOME}" ]; then
+        sudo mkdir "${NVR_HOME}"
+fi
+sudo chown ${NVR_USER}:${NVR_GROUP} "${NVR_HOME}"
+
+
+# Correct possible timezone issues
+#
+echo "Correcting possible /etc/localtime setup issue..."; echo
+if [ ! -L /etc/localtime ] && [ -f /etc/timezone ] &&
+                [ -f "/usr/share/zoneinfo/`cat /etc/timezone`" ]; then
+        sudo rm /etc/localtime
+        sudo ln -s /usr/share/zoneinfo/`cat /etc/timezone` /etc/localtime
+fi
+
+
+# Prepare for sqlite directory and set schema into db
+#
+DB_NAME=db
+DB_PATH="${DB_DIR}/${DB_NAME}"
+if [ ! -d "${DB_DIR}" ]; then
+        echo 'Create database...'; echo
+        sudo -u "${NVR_USER}" -H mkdir "${DB_DIR}"
+fi
+if [ ! -f "${DB_PATH}" ]; then
+        sudo -u "${NVR_USER}" -H sqlite3 "${DB_PATH}" < "${SRC_DIR}/schema.sql"
+fi
+
+CAMERAS_PATH="${MOONFIRE_DIR}/cameras.sql"
+if [ ! -r "${CAMERAS_PATH}" ]; then
+	CAMERAS_PATH="${MOONFIRE_DIR}/../cameras.sql"
+	if [ ! -r "${CAMERAS_PATH}" ]; then
+		CAMERAS_PATH=
+	fi
+fi
+if [ ! -z "${CAMERAS_PATH}" ]; then
+	echo "Adding camera confguration to db..."; echo
+	addCameras
+else
+	echo_warn "No cameras auto configured. Use \"moonfire-nvr config\" to do it later..."
+fi
+
+
+# Make sure samples directory is ready
+#
+if [ -z "${SAMPLE_MEDIA_DIR}" ]; then
+	echo "SAMPLE_MEDIA_DIR variable not configured. Check configuration."
+	exit 1
+fi
+SAMPLE_FILE_PATH="${SAMPLE_MEDIA_DIR}/${SAMPLE_FILE_DIR}"
+if [ "${SAMPLE_FILE_PATH##${NVR_HOME}}" != "${SAMPLE_FILE_PATH}" ]; then
+	# Under the home directory, create if not there
+	if [ ! -d "${SAMPLE_FILE_PATH}" ]; then
+		echo "Created samples directory: $SAMPLE_FILE_PATH"; echo
+		sudo -u ${NVR_USER} -H mkdir "${SAMPLE_FILE_PATH}"
+	fi
+else
+	if [ ! -d "${SAMPLE_FILE_PATH}" ]; then
+		read -r -d '' MSG <<-MSG1
+Samples directory $SAMPLE_FILE_PATH does not exist. 
+If a mounted file system, make sure /etc/fstab is properly configured, 
+and file system is mounted and directory created.
+MSG1
+		echo_fatal "$MSG"
+	fi
+fi
+# Make sure all sample directories and files owned by moonfire
+#
+sudo chown -R ${NVR_USER}.${NVR_USER} "${SAMPLE_FILE_PATH}"
+echo "Fix ownership of sample files..."; echo
+
+
+cat <<-'INSTRUCTIONS'
+Unless there are errors above, everything you need should have been installed
+and you are now ready to build, install, and then use moonfire.
+
+Build by executing the script: scripts/build.sh
+Install by executing the script: scripts/install.sh (run automatically by build
+step).
+INSTRUCTIONS