/
install.sh
executable file
·3002 lines (2563 loc) · 106 KB
/
install.sh
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#!/bin/bash
# shellcheck disable=SC2154 # referenced but not assigned
[[ -z ${ALLSKY_HOME} ]] && export ALLSKY_HOME="$( realpath "$( dirname "${BASH_ARGV0}" )" )"
ME="$( basename "${BASH_ARGV0}" )"
#shellcheck source-path=.
source "${ALLSKY_HOME}/variables.sh" || exit "${EXIT_ERROR_STOP}"
#shellcheck source-path=scripts
source "${ALLSKY_SCRIPTS}/functions.sh" || exit "${EXIT_ERROR_STOP}"
# This file defines functions plus sets many variables.
#shellcheck source-path=scripts
source "${ALLSKY_SCRIPTS}/installUpgradeFunctions.sh" || exit "${EXIT_ERROR_STOP}"
if [[ ${EUID} -eq 0 ]]; then
display_msg error "This script must NOT be run as root, do NOT use 'sudo'."
exit 1
fi
# This script assumes the user already did the "git clone" into ${ALLSKY_HOME}.
# Some versions of Linux default to 750 so web server can't read it
chmod 755 "${ALLSKY_HOME}" || exit "${EXIT_ERROR_STOP}"
cd "${ALLSKY_HOME}" || exit "${EXIT_ERROR_STOP}"
# PRIOR_ALL_DIR is passed to us and is the location of an optional prior copy of Allsky.
PRIOR_CONFIG_DIR="${PRIOR_ALLSKY_DIR}/config"
PRIOR_CONFIG_FILE="${PRIOR_CONFIG_DIR}/config.sh"
PRIOR_FTP_FILE="${PRIOR_CONFIG_DIR}/ftp-settings.sh" # may change depending on old version
TITLE="Allsky Installer - ${ALLSKY_VERSION}"
FINAL_SUDOERS_FILE="/etc/sudoers.d/allsky"
OLD_RASPAP_DIR="/etc/raspap" # used to contain WebUI configuration files
SETTINGS_FILE_NAME="$(basename "${SETTINGS_FILE}")"
FORCE_CREATING_DEFAULT_SETTINGS_FILE="false" # should a default settings file be created?
RESTORED_PRIOR_SETTINGS_FILE="false"
PRIOR_SETTINGS_FILE="" # Full pathname to the prior settings file, if it exists
RESTORED_PRIOR_CONFIG_SH="false" # prior config.sh restored?
RESTORED_PRIOR_FTP_SH="false" # prior ftp-settings.sh restored?
PRIOR_ALLSKY="" # Set to "new" or "old" if they have a prior version
PRIOR_ALLSKY_VERSION="" # The version number of the prior version, if known
SUGGESTED_NEW_HOST_NAME="allsky" # Suggested new host name
NEW_HOST_NAME="" # User-specified host name
BRANCH="${GITHUB_MAIN_BRANCH}" # default branch
# Repo files
REPO_SUDOERS_FILE="${ALLSKY_REPO}/sudoers.repo"
REPO_WEBUI_DEFINES_FILE="${ALLSKY_REPO}/allskyDefines.inc.repo"
REPO_LIGHTTPD_FILE="${ALLSKY_REPO}/lighttpd.conf.repo"
REPO_AVI_FILE="${ALLSKY_REPO}/avahi-daemon.conf.repo"
# The POST_INSTALLATION_ACTIONS contains information the user needs to act upon after the reboot.
rm -f "${POST_INSTALLATION_ACTIONS}" # Shouldn't be there, but just in case.
rm -f "${ALLSKY_MESSAGES}" # Start out with no messages.
# display_msg() will send "log" entries to this file.
# DISPLAY_MSG_LOG is used in display_msg()
# shellcheck disable=SC2034
DISPLAY_MSG_LOG="${ALLSKY_INSTALLATION_LOGS}/install.sh.log"
# Is a reboot needed at end of installation?
REBOOT_NEEDED="true"
# Does Allsky need to be configured at end of installation?
CONFIGURATION_NEEDED="true"
# Holds status of installation if we need to exit and get back in.
STATUS_FILE="${ALLSKY_INSTALLATION_LOGS}/status.txt"
STATUS_FILE_TEMP="${ALLSKY_TMP}/temp_status.txt" # holds intermediate status
STATUS_LOCALE_REBOOT="Rebooting to change locale" # status of rebooting due to locale change
STATUS_FINISH_REBOOT="Rebooting to finish installation"
STATUS_NO_FINISH_REBOOT="Did not reboot to finish installation"
STATUS_NO_REBOOT="User elected not to reboot"
STATUS_NO_LOCALE="Desired locale not found" # exiting due to desired locale not installed
STATUS_NO_CAMERA="No camera found" # status of exiting due to no camera found
STATUS_OK="OK" # Installation was completed.
STATUS_NOT_CONTINUE="User elected not to continue" # Exiting, but not an error
STATUS_CLEAR="Clear" # Clear the file
STATUS_ERROR="Error encountered"
STATUS_INT="Got interrupt"
STATUS_VARIABLES=() # Holds all the variables and values to save
LONG_BITS=$( getconf LONG_BIT ) # Size of a long, 32 or 64
# Check if any extra modules are installed
if [[ -n "$( find /opt/allsky/modules -type f -name "*.py" -print -quit 2> /dev/null )" ]]; then
EXTRA_MODULES_INSTALLED="true"
else
EXTRA_MODULES_INSTALLED="false"
fi
# TODO: check the CURRENT Allsky, or the PRIOR one?
# Check if we have a venv already. If not then the install/update will create it
# but we need to warn the user to reinstall the extra modules if they have them.
if [[ -d "${ALLSKY_PYTHON_VENV}" ]]; then
INSTALLED_VENV="false"
else
INSTALLED_VENV="true"
fi
############################################## functions
####
#
do_initial_heading()
{
if [[ ${UPDATE} == "true" ]]; then
display_header "Updating Allsky"
return
fi
if [[ ${do_initial_heading} == "true" ]]; then
display_header "Welcome back to the ${TITLE}!"
else
MSG="Welcome to the ${TITLE}!\n"
if [[ -n ${PRIOR_ALLSKY} ]]; then
MSG="${MSG}\nYou will be asked if you want to use the images and darks (if any) from"
MSG="${MSG} your prior version of Allsky."
if [[ ${PRIOR_ALLSKY} == "newStyle" ]]; then
MSG="${MSG}\nIf so, its settings will be used as well."
else
MSG="${MSG}\nIf so, we will attempt to use its settings as well, but may not be"
MSG="${MSG}\nable to use ALL prior settings depending on how old your prior Allsky is."
MSG="${MSG}\nIn that case, you'll be prompted for required information such as"
MSG="${MSG}\nthe camera's latitude, logitude, and locale."
fi
else
MSG="${MSG}\nYou will be prompted for required information such as the type"
MSG="${MSG}\nof camera you have and the camera's latitude, logitude, and locale."
fi
MSG="${MSG}\n\nNOTE: your camera must be connected to the Pi before continuing."
MSG="${MSG}\n\nContinue?"
if ! whiptail --title "${TITLE}" --yesno "${MSG}" 25 "${WT_WIDTH}" 3>&1 1>&2 2>&3; then
display_msg "${LOG_TYPE}" info "User not ready to continue."
exit_installation 1 "${STATUS_CLEAR}" ""
fi
display_header "Welcome to the ${TITLE}"
fi
[[ ${do_initial_heading} != "true" ]] && STATUS_VARIABLES+=("do_initial_heading='true'\n")
}
####
usage_and_exit()
{
RET=${1}
if [[ ${RET} -eq 0 ]]; then
C="${YELLOW}"
else
C="${RED}"
fi
# Don't show --testing option since users shouldn't use it.
echo
echo -e "${C}Usage: ${ME} [--help] [--debug [...]] [--update] [--function function]${NC}"
echo
echo "'--help' displays this message and exits."
echo
echo "'--debug' displays debugging information. Can be called multiple times to increase level."
echo
echo "'--update' should only be used when instructed to by the Allsky Website."
echo
echo "'--function' executes the specified function and quits."
echo
exit_installation "${RET}"
}
####
# Stop Allsky. If it's not running, nothing happens.
stop_allsky()
{
sudo systemctl stop allsky 2> /dev/null
}
####
# Get the branch of the release we are installing;
get_this_branch()
{
if ! B="$( get_branch )" ; then
display_msg --log warning "Unable to determine branch; assuming '${BRANCH}'."
else
BRANCH="${B}"
display_msg --logonly info "Using the '${BRANCH}' branch."
fi
STATUS_VARIABLES+=("get_this_branch='true'\n")
STATUS_VARIABLES+=("BRANCH='${BRANCH}'\n")
}
####
##### Execute any specified function, then exit.
do_function()
{
local FUNCTION="${1}"
shift
if ! type "${FUNCTION}" > /dev/null; then
display_msg error "Unknown function: '${FUNCTION}'."
exit 1
fi
${FUNCTION} "$@"
exit $?
}
####
# Map the new ${CAMERA_TYPE} setting to the old ${CAMERA} setting.
CAMERA_TYPE_to_CAMERA()
{
local CAMERA_TYPE="${1}"
if [[ ${CAMERA_TYPE} == "ZWO" ]]; then
echo "ZWO"
elif [[ ${CAMERA_TYPE} == "RPi" ]]; then
echo "RPiHQ" # RPi cameras used to be called "RPiHQ".
else
display_msg --log error "Unknown CAMERA_TYPE: '${CAMERA_TYPE}'"
exit_installation 1 "${STATUS_ERROR}" "unknown CAMERA_TYPE: '${CAMERA_TYPE}'"
fi
}
####
# Map the old ${CAMERA} setting to the new ${CAMERA_TYPE} setting.
CAMERA_to_CAMERA_TYPE()
{
local CAMERA="${1}"
if [[ ${CAMERA} == "ZWO" ]]; then
echo "ZWO"
elif [[ ${CAMERA} == "RPiHQ" ]]; then
echo "RPi"
else
display_msg --log error "Unknown CAMERA: '${CAMERA}'"
exit_installation 1 "${STATUS_CLEAR}" "unknown CAMERA: '${CAMERA}'"
fi
}
#######
CONNECTED_CAMERAS=""
get_connected_cameras()
{
local CC
# If we can't determine the camera to use for RPi cameras it either means there is
# no RPi camera, or something's wrong.
if determineCommandToUse "false" "" > /dev/null 2>&1 ; then
display_msg --log progress "RPi camera found."
CC="RPi"
fi
if lsusb -d "03c3:" > /dev/null ; then
display_msg --log progress "ZWO camera found."
[[ -n ${CC} ]] && CC="${CC} "
CC="${CC}ZWO"
fi
if [[ -z ${CC} ]]; then
MSG="No connected cameras were detected. The installation will exit."
whiptail --title "${TITLE}" --msgbox "${MSG}" 12 "${WT_WIDTH}" 3>&1 1>&2 2>&3
MSG="No connected cameras were detected."
MSG="${MSG}\nMake sure a camera is plugged in and working prior to restarting"
MSG="${MSG} the installation."
display_msg --log error "${MSG}"
exit_installation 1 "${STATUS_NO_CAMERA}" ""
fi
if [[ -n ${CONNECTED_CAMERAS} ]]; then
# Set from a prior installation.
if [[ ${CONNECTED_CAMERAS} != "${CC}" ]]; then
MSG="Connected cameras were '${CONNECTED_CAMERAS}' during last installation"
MSG="${MSG} but are '${CC}' now."
display_msg --log info "${MSG}"
STATUS_VARIABLES+=("CONNECTED_CAMERAS='${CC}'\n")
fi
# Else the last one and this one are the same so don't save.
CONNECTED_CAMERAS="${CC}"
return
fi
[[ ${get_connected_cameras} != "true" ]] && STATUS_VARIABLES+=("get_connected_cameras='true'\n")
# Either not set before or is different this time
CONNECTED_CAMERAS="${CC}"
}
#
# Prompt the user to select their camera type, if we can't determine it automatically.
# If they have a prior installation of Allsky that uses either CAMERA or CAMERA_TYPE in config.sh,
# we can use its value and not prompt.
CAMERA_TYPE=""
select_camera_type()
{
if [[ -n ${PRIOR_ALLSKY} ]]; then
case "${PRIOR_ALLSKY_VERSION}" in
# New versions go here...
v2023.05.01*)
# New style Allsky using ${CAMERA_TYPE}.
CAMERA_TYPE="${PRIOR_CAMERA_TYPE}"
# Don't bother with a message since this is a "similar" release.
if [[ -n ${CAMERA_TYPE} ]]; then
MSG="Using Camera Type '${CAMERA_TYPE}' from prior Allsky."
STATUS_VARIABLES+=("select_camera_type='true'\n")
STATUS_VARIABLES+=("CAMERA_TYPE='${CAMERA_TYPE}'\n")
display_msg --logonly info "${MSG}"
return
else
MSG="Camera Type not in prior new-style settings file."
display_msg --log error "${MSG}"
fi
;;
"v2022.03.01" | "old")
local CAMERA="$( get_variable "CAMERA" "${PRIOR_CONFIG_FILE}" )"
if [[ -n ${CAMERA} ]]; then
CAMERA_TYPE="$( CAMERA_to_CAMERA_TYPE "${CAMERA}" )"
STATUS_VARIABLES+=("select_camera_type='true'\n")
STATUS_VARIABLES+=("CAMERA_TYPE='${CAMERA_TYPE}'\n")
if [[ ${CAMERA} != "${CAMERA_TYPE}" ]]; then
NEW=" (now called ${CAMERA_TYPE})"
else
NEW=""
fi
display_msg --log progress "Using prior ${CAMERA} camera${NEW}."
return
else
MSG="CAMERA not in prior old-style config.sh."
display_msg --log warning "${MSG}"
fi
;;
esac
fi
local CT=()
local NUM=0
if [[ ${CONNECTED_CAMERAS} == "RPi" ]]; then
CT+=("RPi" " Raspberry Pi (HQ, Module 3, and compatibles)")
((NUM++))
elif [[ ${CONNECTED_CAMERAS} == "ZWO" ]]; then
CT+=("ZWO" " ZWO ASI")
((NUM++))
elif [[ ${CONNECTED_CAMERAS} == "RPi ZWO" ]]; then
CT+=("RPi" " Raspberry Pi (HQ, Module 3, and compatibles)")
CT+=("ZWO" " ZWO ASI")
((NUM+=2))
else # shouldn't happen since we already checked
MSG="INTERNAL ERROR:"
if [[ -z ${CONNECTED_CAMERAS} ]]; then
MSG="${MSG} CONNECTED_CAMERAS is empty."
else
MSG="${MSG} CONNECTED_CAMERAS (${CONNECTED_CAMERAS}) is invalid."
fi
display_msg --log error "${MSG}"
exit_installation 2 "${STATUS_NO_CAMERA}" "${MSG}"
fi
local S=" is"
[[ ${NUM} -gt 1 ]] && S="s are"
MSG="\nThe following camera type${S} connected to the Pi.\n"
MSG="${MSG}Pick the one you want."
MSG="${MSG}\nIf it's not in the list, select <Cancel> and determine why."
CAMERA_TYPE=$(whiptail --title "${TITLE}" --menu "${MSG}" 15 "${WT_WIDTH}" "${NUM}" \
"${CT[@]}" 3>&1 1>&2 2>&3)
if [[ $? -ne 0 ]]; then
MSG="Camera selection required."
MSG="${MSG} Please re-run the installation and select a camera to continue."
display_msg --log warning "${MSG}"
exit_installation 2 "${STATUS_NO_CAMERA}" "User did not select a camera."
fi
display_msg --log progress "Using ${CAMERA_TYPE} camera."
STATUS_VARIABLES+=("select_camera_type='true'\n")
STATUS_VARIABLES+=("CAMERA_TYPE='${CAMERA_TYPE}'\n")
}
####
# If the raspistill command exists on post-Buster releases,
# rename it so it's not used.
check_for_raspistill()
{
STATUS_VARIABLES+=("check_for_raspistill='true'\n")
if W="$( which raspistill )" && [[ ${PI_OS} != "buster" ]]; then
display_msg --longonly info "Renaming 'raspistill' on ${PI_OS}."
sudo mv "${W}" "${W}-OLD"
fi
}
####
# Create the file that defines the WebUI variables.
create_webui_defines()
{
display_msg --log progress "Modifying locations for WebUI."
FILE="${ALLSKY_WEBUI}/includes/allskyDefines.inc"
sed -e "s;XX_HOME_XX;${HOME};" \
-e "s;XX_ALLSKY_HOME_XX;${ALLSKY_HOME};" \
-e "s;XX_ALLSKY_CONFIG_XX;${ALLSKY_CONFIG};" \
-e "s;XX_ALLSKY_SCRIPTS_XX;${ALLSKY_SCRIPTS};" \
-e "s;XX_ALLSKY_TMP_XX;${ALLSKY_TMP};" \
-e "s;XX_ALLSKY_IMAGES_XX;${ALLSKY_IMAGES};" \
-e "s;XX_ALLSKY_MESSAGES_XX;${ALLSKY_MESSAGES};" \
-e "s;XX_ALLSKY_WEBUI_XX;${ALLSKY_WEBUI};" \
-e "s;XX_ALLSKY_WEBSITE_XX;${ALLSKY_WEBSITE};" \
-e "s;XX_ALLSKY_WEBSITE_LOCAL_CONFIG_NAME_XX;${ALLSKY_WEBSITE_CONFIGURATION_NAME};" \
-e "s;XX_ALLSKY_WEBSITE_REMOTE_CONFIG_NAME_XX;${ALLSKY_REMOTE_WEBSITE_CONFIGURATION_NAME};" \
-e "s;XX_ALLSKY_WEBSITE_LOCAL_CONFIG_XX;${ALLSKY_WEBSITE_CONFIGURATION_FILE};" \
-e "s;XX_ALLSKY_WEBSITE_REMOTE_CONFIG_XX;${ALLSKY_REMOTE_WEBSITE_CONFIGURATION_FILE};" \
-e "s;XX_ALLSKY_OWNER_XX;${ALLSKY_OWNER};" \
-e "s;XX_ALLSKY_GROUP_XX;${ALLSKY_GROUP};" \
-e "s;XX_WEBSERVER_GROUP_XX;${WEBSERVER_GROUP};" \
-e "s;XX_ALLSKY_REPO_XX;${ALLSKY_REPO};" \
-e "s;XX_ALLSKY_VERSION_XX;${ALLSKY_VERSION};" \
-e "s;XX_RASPI_CONFIG_XX;${ALLSKY_CONFIG};" \
-e "s;XX_ALLSKY_OVERLAY_XX;${ALLSKY_OVERLAY};" \
-e "s;XX_ALLSKY_MODULES_XX;${ALLSKY_MODULES};" \
"${REPO_WEBUI_DEFINES_FILE}" > "${FILE}"
chmod 644 "${FILE}"
STATUS_VARIABLES+=("create_webui_defines='true'\n")
}
####
# Recreate the options file.
# This can be used after installation if the options file gets hosed.
recreate_options_file()
{
CAMERA_TYPE="$( get_variable "CAMERA_TYPE" "${ALLSKY_CONFIG}/config.sh" )"
save_camera_capabilities "true"
set_permissions
}
####
# Save the camera capabilities and use them to set the WebUI min, max, and defaults.
# This will error out and exit if no camera is installed,
# otherwise it will determine what capabilities the connected camera has,
# then create an "options" file specific to that camera.
# It will also create a default camera-specific "settings" file if one doesn't exist.
save_camera_capabilities()
{
if [[ -z ${CAMERA_TYPE} ]]; then
display_msg --log error "INTERNAL ERROR: CAMERA_TYPE not set in save_camera_capabilities()."
return 1
fi
local OPTIONSFILEONLY="${1}" # Set to "true" if we should ONLY create the options file.
local FORCE MSG OPTIONSONLY
# Create the camera type/model-specific options file and optionally a default settings file.
# --cameraTypeOnly tells makeChanges.sh to only change the camera info, then exit.
# It displays any error messages.
if [[ ${FORCE_CREATING_DEFAULT_SETTINGS_FILE} == "true" ]]; then
FORCE=" --force"
MSG=" and default settings"
else
FORCE=""
MSG=""
fi
if [[ ${OPTIONSFILEONLY} == "true" ]]; then
OPTIONSONLY=" --optionsOnly"
else
OPTIONSONLY=""
display_msg --log progress "Setting up WebUI options${MSG} for ${CAMERA_TYPE} cameras."
fi
# Restore the prior settings file or camera-specific settings file(s) so
# the appropriate one can be used by makeChanges.sh.
[[ ${PRIOR_ALLSKY} != "" ]] && restore_prior_settings_file
display_msg --log progress "Making new settings file '${SETTINGS_FILE}'."
MSG="Executing makeChanges.sh${FORCE}${OPTIONSONLY} --cameraTypeOnly"
MSG="${MSG} ${DEBUG_ARG} 'cameraType' 'Camera Type' '${PRIOR_CAMERA_TYPE}' '${CAMERA_TYPE}'"
display_msg "${LOG_TYPE}" info "${MSG}"
#shellcheck disable=SC2086
MSG="$( "${ALLSKY_SCRIPTS}/makeChanges.sh" ${FORCE} ${OPTIONSONLY} --cameraTypeOnly \
${DEBUG_ARG} "cameraType" "Camera Type" "${PRIOR_CAMERA_TYPE}" "${CAMERA_TYPE}" 2>&1 )"
RET=$?
[[ -n ${MSG} ]] && display_msg "${LOG_TYPE}" info "${MSG}"
if [[ ${RET} -ne 0 ]]; then
if [[ ${RET} -eq ${EXIT_NO_CAMERA} ]]; then
MSG="No camera was found; one must be connected and working for the installation to succeed.\n"
MSG="${MSG}After connecting your camera, re-run the installation."
whiptail --title "${TITLE}" --msgbox "${MSG}" 12 "${WT_WIDTH}" 3>&1 1>&2 2>&3
display_msg --log error "No camera detected - installation aborted."
exit_with_image 1 "${STATUS_ERROR}" "No camera detected"
elif [[ ${OPTIONSFILEONLY} == "false" ]]; then
display_msg --log error "Unable to save camera capabilities."
fi
return 1
fi
#shellcheck disable=SC2012
MSG="$( /bin/ls -l "${ALLSKY_CONFIG}/settings"*.json 2>/dev/null | sed 's/^/ /' )"
display_msg "${LOG_TYPE}" info "Settings files:\n${MSG}"
CAMERA_MODEL="$( settings ".cameraModel" "${SETTINGS_FILE}" )"
if [[ -z ${CAMERA_MODEL} ]]; then
display_msg --log warning "cameraModel not found in settings file."
fi
STATUS_VARIABLES+=("save_camera_capabilities='true'\n")
return 0
}
####
# Update the sudoers file so the web server can execute certain commands with sudo.
do_sudoers()
{
display_msg --log progress "Creating/updating sudoers file."
sed -e "s;XX_ALLSKY_SCRIPTS_XX;${ALLSKY_SCRIPTS};" "${REPO_SUDOERS_FILE}" > /tmp/x
sudo install -m 0644 /tmp/x "${FINAL_SUDOERS_FILE}" && rm -f /tmp/x
}
####
# Ask the user if they want to reboot
WILL_REBOOT="false"
ask_reboot()
{
local TYPE="${1}"
if [[ ${TYPE} == "locale" ]]; then
local MSG="A reboot is needed for the locale change to take effect."
MSG="${MSG}\nYou must reboot before continuing the installation."
MSG="${MSG}\n\nReboot now?"
if whiptail --title "${TITLE}" --yesno "${MSG}" 18 "${WT_WIDTH}" 3>&1 1>&2 2>&3; then
MSG="\nAfter the reboot you MUST continue with the installation"
MSG="${MSG} before anything will work."
MSG="${MSG}\nTo restart the installation, do the following:\n"
MSG="${MSG}\n cd ~/allsky"
MSG="${MSG}\n ./install.sh"
MSG="${MSG}\n\nThe installation will pick up where it left off."
whiptail --title "${TITLE}" --msgbox "${MSG}" 15 "${WT_WIDTH}" 3>&1 1>&2 2>&3
return 0
else
REBOOT_NEEDED="true"
return 1
fi
fi
local AT=" http://${NEW_HOST_NAME}.local\n"
AT="${AT}or\n"
AT="${AT} http://$(hostname -I | sed -e 's/ .*$//')"
if [[ ${REBOOT_NEEDED} == "false" ]]; then
MSG="\nAfter reboot you can connect to the WebUI at:\n${AT}"
display_msg -log progress "${MSG}"
return 0
fi
local MSG="*** Allsky installation is almost done. ***"
MSG="${MSG}\n\nWhen done, you must reboot the Raspberry Pi to finish the installation."
MSG="${MSG}\n\nAfter reboot you can connect to the WebUI at:\n"
MSG="${MSG}${AT}"
MSG="${MSG}\n\nReboot when installation is done?"
if whiptail --title "${TITLE}" --yesno "${MSG}" 18 "${WT_WIDTH}" 3>&1 1>&2 2>&3; then
WILL_REBOOT="true"
display_msg --logonly info "Pi will reboot after installation completes."
else
display_msg --logonly info "User elected not to reboot; displayed warning message."
display_msg notice "You need to reboot the Pi before Allsky will work."
MSG="If you have not already rebooted your Pi, please do so now.\n"
MSG="${MSG}You can then connect to the WebUI at:\n"
MSG="${MSG}${AT}"
"${ALLSKY_SCRIPTS}/addMessage.sh" "info" "${MSG}"
fi
}
do_reboot()
{
exit_installation -1 "${1}" "${2}" # -1 means just log ending statement but don't exit.
sudo reboot now
}
####
# Check for size of RAM+swap during installation (Issue # 969).
# recheck_swap is used to check swap after the installation,
# and is referenced in the Allsky Documentation.
recheck_swap()
{
check_swap "prompt"
}
check_swap()
{
STATUS_VARIABLES+=("check_swap='true'\n")
local PROMPT="false"
[[ ${1} == "prompt" ]] && PROMPT="true"
# This can return "total_mem is unknown" if the OS is REALLY old.
local RAM_SIZE="$( vcgencmd get_config total_mem )"
if echo "${RAM_SIZE}" | grep --silent "unknown" ; then
# Note: This doesn't produce exact results. On a 4 GB Pi, it returns 3.74805.
RAM_SIZE=$(free --mebi | awk '{if ($1 == "Mem:") {print $2; exit 0} }') # in MB
else
RAM_SIZE="${RAM_SIZE//total_mem=/}"
fi
local DESIRED_COMBINATION=$((1024 * 5)) # desired minimum memory + swap
local SUGGESTED_SWAP_SIZE=0
for i in 512 1024 2048 4096 # 8192 and above don't need any swap
do
if [[ ${RAM_SIZE} -le ${i} ]]; then
SUGGESTED_SWAP_SIZE=$((DESIRED_COMBINATION - i))
break
fi
done
display_msg --logonly info "RAM_SIZE=${RAM_SIZE}, SUGGESTED_SWAP_SIZE=${SUGGESTED_SWAP_SIZE}."
# Not sure why, but displayed swap is often 1 MB less than what's in /etc/dphys-swapfile
local CURRENT_SWAP=$(free --mebi | awk '{if ($1 == "Swap:") {print $2 + 1; exit 0} }') # in MB
CURRENT_SWAP=${CURRENT_SWAP:-0}
if [[ ${CURRENT_SWAP} -lt ${SUGGESTED_SWAP_SIZE} || ${PROMPT} == "true" ]]; then
local SWAP_CONFIG_FILE="/etc/dphys-swapfile"
[[ -z ${FUNCTION} ]] && sleep 2 # give user time to read prior messages
local AMT M
if [[ ${CURRENT_SWAP} -eq 1 ]]; then
CURRENT_SWAP=0
AMT="no"
M="added"
else
AMT="${CURRENT_SWAP} MB of"
M="increased"
fi
MSG="\nYour Pi currently has ${AMT} swap space."
MSG="${MSG}\nBased on your memory size of ${RAM_SIZE} MB,"
if [[ ${CURRENT_SWAP} -ge ${SUGGESTED_SWAP_SIZE} ]]; then
SUGGESTED_SWAP_SIZE=${CURRENT_SWAP}
MSG="${MSG} there is no need to change anything, but you can if you would like."
else
MSG="${MSG} we suggest ${SUGGESTED_SWAP_SIZE} MB of swap"
MSG="${MSG} to decrease the chance of timelapse and other failures."
MSG="${MSG}\n\nDo you want swap space ${M}?"
MSG="${MSG}\n\nYou may change the amount of swap by changing the number below."
fi
local SWAP_SIZE=$(whiptail --title "${TITLE}" --inputbox "${MSG}" 18 "${WT_WIDTH}" \
"${SUGGESTED_SWAP_SIZE}" 3>&1 1>&2 2>&3)
# If the suggested swap was 0 and the user added a number but didn't first delete the 0,
# do it now so we don't have numbers like "0256".
[[ ${SWAP_SIZE:0:1} == "0" ]] && SWAP_SIZE="${SWAP_SIZE:1}"
if [[ -z ${SWAP_SIZE} || ${SWAP_SIZE} == "0" ]]; then
if [[ ${CURRENT_SWAP} -eq 0 && ${SUGGESTED_SWAP_SIZE} -gt 0 ]]; then
display_msg --log warning "With no swap space you run the risk of programs failing."
else
display_msg --log info "Swap will remain at ${CURRENT_SWAP}."
fi
else
display_msg --log progress "Setting swap space to ${SWAP_SIZE} MB."
sudo dphys-swapfile swapoff # Stops the swap file
sudo sed -i "/CONF_SWAPSIZE/ c CONF_SWAPSIZE=${SWAP_SIZE}" "${SWAP_CONFIG_FILE}"
local CURRENT_MAX="$(get_variable "CONF_MAXSWAP" "${SWAP_CONFIG_FILE}")"
# TODO: Can we determine the default max rather than hard-code it.
CURRENT_MAX="${CURRENT_MAX:-2048}"
if [[ ${CURRENT_MAX} -lt ${SWAP_SIZE} ]]; then
if [[ ${DEBUG} -gt 0 ]]; then
display_msg --log debug "Increasing max swap size to ${SWAP_SIZE} MB."
fi
sudo sed -i "/CONF_MAXSWAP/ c CONF_MAXSWAP=${SWAP_SIZE}" "${SWAP_CONFIG_FILE}"
fi
sudo dphys-swapfile setup > /dev/null # Sets up new swap file
sudo dphys-swapfile swapon # Turns on new swap file
fi
else
display_msg --log progress "Size of current swap (${CURRENT_SWAP} MB) is sufficient; no change needed."
fi
}
####
# Check if ${ALLSKY_TMP} exists, and if it does,
# save any *.jpg files (which we probably created), then remove everything else,
# then mount it.
check_and_mount_tmp()
{
local TMP_DIR="/tmp/IMAGES"
if [[ -d "${ALLSKY_TMP}" ]]; then
local IMAGES="$(find "${ALLSKY_TMP}" -name '*.jpg')"
if [[ -n ${IMAGES} ]]; then
mkdir "${TMP_DIR}"
# Need to allow for files with spaces in their names.
# TODO: there has to be a better way.
echo "${IMAGES}" | \
while read -r image
do
mv "${image}" "${TMP_DIR}"
done
fi
rm -f "${ALLSKY_TMP}"/*
else
mkdir "${ALLSKY_TMP}"
fi
# Now mount and restore any images that were there before
sudo systemctl daemon-reload 2> /dev/null
sudo mount -a
if [[ -d ${TMP_DIR} ]]; then
mv "${TMP_DIR}"/* "${ALLSKY_TMP}"
rmdir "${TMP_DIR}"
fi
}
####
# Check if prior ${ALLSKY_TMP} was a memory filesystem.
# If not, offer to make it one.
check_tmp()
{
local INITIAL_FSTAB_STRING="tmpfs ${ALLSKY_TMP} tmpfs"
# Check if currently a memory filesystem.
if grep --quiet "^${INITIAL_FSTAB_STRING}" /etc/fstab; then
MSG="${ALLSKY_TMP} is currently a memory filesystem; no change needed."
display_msg --log progress "${MSG}"
# If there's a prior Allsky version and it's tmp directory is mounted,
# try to unmount it, but that often gives an error that it's busy,
# which isn't really a problem since it'll be unmounted at the reboot.
# We know from the grep above that /etc/fstab has ${ALLSKY_TMP}
# but the mount point is currently in the PRIOR Allsky.
local D="${PRIOR_ALLSKY_DIR}/tmp"
if [[ -d "${D}" ]] && mount | grep --silent "${D}" ; then
# The Samba daemon is one known cause of "target busy".
sudo umount -f "${D}" 2> /dev/null ||
(
sudo systemctl restart smbd 2> /dev/null
sudo umount -f "${D}" 2> /dev/null
)
fi
STATUS_VARIABLES+=("check_tmp='true'\n")
# If the new Allsky's ${ALLSKY_TMP} is already mounted, don't do anything.
# This would be the case during an upgrade.
if mount | grep --silent "${ALLSKY_TMP}" ; then
display_msg --logonly info "${ALLSKY_TMP} already mounted."
return 0
fi
check_and_mount_tmp # works on new ${ALLSKY_TMP}
return 0
fi
local SIZE=75 # MB - should be enough
MSG="Making ${ALLSKY_TMP} reside in memory can drastically decrease the amount of writes to the SD card, increasing its life."
MSG="${MSG}\n\nDo you want to make it reside in memory?"
MSG="${MSG}\n\nNote: anything in it will be deleted whenever the Pi is rebooted, but that's not an issue since the directory only contains temporary files."
if whiptail --title "${TITLE}" --yesno "${MSG}" 15 "${WT_WIDTH}" 3>&1 1>&2 2>&3; then
local STRING="${INITIAL_FSTAB_STRING} size=${SIZE}M,noatime,lazytime,nodev,nosuid,mode=775,uid=${ALLSKY_OWNER},gid=${WEBSERVER_GROUP}"
if ! echo "${STRING}" | sudo tee -a /etc/fstab > /dev/null ; then
display_msg --log error "Unable to update /etc/fstab"
return 1
fi
check_and_mount_tmp
display_msg --log progress "${ALLSKY_TMP} is now in memory."
else
display_msg --log info "${ALLSKY_TMP} will remain on disk."
mkdir -p "${ALLSKY_TMP}"
fi
STATUS_VARIABLES+=("check_tmp='true'\n")
}
####
check_success()
{
local RET=${1}
local MESSAGE="${2}"
local LOG="${3}"
local D=${4}
if [[ ${RET} -ne 0 ]]; then
display_msg --log error "${MESSAGE}"
MSG="The full log file is in ${LOG}"
MSG="${MSG}\nThe end of the file is:"
display_msg --log info "${MSG}"
indent "$( tail "${LOG}" )"
return 1
fi
[[ ${D} -gt 1 ]] && cat "${LOG}"
return 0
}
####
# Install the web server.
install_webserver_et_al()
{
sudo systemctl stop hostapd 2> /dev/null
sudo systemctl stop lighttpd 2> /dev/null
if [[ ${install_webserver_et_al} == "true" ]]; then
display_msg --log progress "Preparing the web server."
else
display_msg --log progress "Installing the web server."
TMP="${ALLSKY_INSTALLATION_LOGS}/lighttpd.install.log"
(
sudo apt-get update && \
sudo apt-get --assume-yes install lighttpd php-cgi php-gd hostapd dnsmasq avahi-daemon
) > "${TMP}" 2>&1
if ! check_success $? "lighttpd installation failed" "${TMP}" "${DEBUG}" ; then
exit_with_image 1 "${STATUS_ERROR}" "lighttpd installation failed"
fi
FINAL_LIGHTTPD_FILE="/etc/lighttpd/lighttpd.conf"
sed \
-e "s;XX_ALLSKY_WEBUI_XX;${ALLSKY_WEBUI};g" \
-e "s;XX_ALLSKY_HOME_XX;${ALLSKY_HOME};g" \
-e "s;XX_ALLSKY_IMAGES_XX;${ALLSKY_IMAGES};g" \
-e "s;XX_ALLSKY_CONFIG_XX;${ALLSKY_CONFIG};g" \
-e "s;XX_ALLSKY_WEBSITE_XX;${ALLSKY_WEBSITE};g" \
-e "s;XX_ALLSKY_OVERLAY_XX;${ALLSKY_OVERLAY};g" \
-e "s;XX_ALLSKY_DOCUMENTATION_XX;${ALLSKY_DOCUMENTATION};g" \
"${REPO_LIGHTTPD_FILE}" > /tmp/x
sudo install -m 0644 /tmp/x "${FINAL_LIGHTTPD_FILE}" && rm -f /tmp/x
fi
# Ignore output since it may already be enabled.
sudo lighty-enable-mod fastcgi-php > /dev/null 2>&1
# Remove any old log files.
# Start off with a 0-length log file the user can write to.
local D="/var/log/lighttpd"
sudo chmod 755 "${D}"
sudo rm -fr "${D}"/*
local LIGHTTPD_LOG="${D}/error.log"
sudo touch "${LIGHTTPD_LOG}"
sudo chmod 664 "${LIGHTTPD_LOG}"
sudo chown "${WEBSERVER_GROUP}:${ALLSKY_GROUP}" "${LIGHTTPD_LOG}"
sudo systemctl start lighttpd
# Starting it added an entry so truncate the file so it's 0-length
sleep 1; truncate -s 0 "${LIGHTTPD_LOG}"
STATUS_VARIABLES+=("install_webserver_et_al='true'\n")
}
####
# Prompt for a new hostname if needed,
# and update all the files that contain the hostname.
# The default hostname in Pi OS is "raspberrypi"; if it's still that,
# prompt to update. If it's anything else that means the user
# already changed it to something so don't overwrite their change.
prompt_for_hostname()
{
local CURRENT_HOSTNAME=$(tr -d " \t\n\r" < /etc/hostname)
if [[ ${CURRENT_HOSTNAME} != "raspberrypi" ]]; then
display_msg --logonly info "Using current hostname of '${CURRENT_HOSTNAME}'."
NEW_HOST_NAME="${CURRENT_HOSTNAME}"
STATUS_VARIABLES+=("prompt_for_hostname='true'\n")
STATUS_VARIABLES+=("NEW_HOST_NAME='${NEW_HOST_NAME}'\n")
return
fi
MSG="Please enter a hostname for your Pi."
MSG="${MSG}\n\nIf you have more than one Pi on your network they MUST all have unique names."
MSG="${MSG}\n\nThe current hostname is '${CURRENT_HOSTNAME}'; the suggested name is below:\n"
NEW_HOST_NAME=$(whiptail --title "${TITLE}" --inputbox "${MSG}" 15 "${WT_WIDTH}" \
"${SUGGESTED_NEW_HOST_NAME}" 3>&1 1>&2 2>&3)
if [[ $? -ne 0 ]]; then
MSG="You must specify a host name."
MSG="${MSG} Please re-run the installation and select one."
display_msg --log warning "${MSG}"
exit_installation 2 "No host name selected"
else
STATUS_VARIABLES+=("prompt_for_hostname='true'\n")
STATUS_VARIABLES+=("NEW_HOST_NAME='${NEW_HOST_NAME}'\n")
fi
if [[ ${CURRENT_HOSTNAME} != "${NEW_HOST_NAME}" ]]; then
echo "${NEW_HOST_NAME}" | sudo tee /etc/hostname > /dev/null
sudo sed -i "s/127.0.1.1.*${CURRENT_HOSTNAME}/127.0.1.1\t${NEW_HOST_NAME}/" /etc/hosts
# else, they didn't change the default name, but that's their problem...
fi
# Set up the avahi daemon if needed.
FINAL_AVI_FILE="/etc/avahi/avahi-daemon.conf"
[[ -f ${FINAL_AVI_FILE} ]] && grep -i --quiet "host-name=${NEW_HOST_NAME}" "${FINAL_AVI_FILE}"
if [[ $? -ne 0 ]]; then
# New NEW_HOST_NAME is not found in the file, or the file doesn't exist,
# so need to configure it.
display_msg --log progress "Configuring avahi-daemon."
sed "s/XX_HOST_NAME_XX/${NEW_HOST_NAME}/g" "${REPO_AVI_FILE}" > /tmp/x
sudo install -m 0644 /tmp/x "${FINAL_AVI_FILE}" && rm -f /tmp/x
fi
}
####
# Set permissions on various web-related items.
set_permissions()
{
display_msg --log progress "Setting permissions on web-related files."
# Make sure the currently running user has can write to the webserver root
# and can run sudo on anything.
G="$(id "${ALLSKY_OWNER}")"
if ! echo "${G}" | grep --silent "(sudo)"; then
display_msg --log progress "Adding ${ALLSKY_OWNER} to sudo group."
### TODO: Hmmm. We need to run "sudo" to add to the group,
### but we don't have "sudo" permissions yet... so this will likely fail:
sudo adduser --quiet "${ALLSKY_OWNER}" "sudo"
fi
if ! echo "${G}" | grep --silent "(${WEBSERVER_GROUP})"; then
display_msg --log progress "Adding ${ALLSKY_OWNER} to ${WEBSERVER_GROUP} group."
sudo adduser --quiet "${ALLSKY_OWNER}" "${WEBSERVER_GROUP}"
# TODO: We had a case where the login shell wasn't in the group after "adduser"
# until the user logged out and back in.
# And this was AFTER he ran install.sh and rebooted.
# Not sure what to do about this...
fi
# Remove any old entries; we now use /etc/sudoers.d/allsky instead of /etc/sudoers.
# TODO: Can remove this in the next release
sudo sed -i -e "/allsky/d" -e "/${WEBSERVER_GROUP}/d" /etc/sudoers
do_sudoers
# The web server needs to be able to create and update many of the files in ${ALLSKY_CONFIG}.
# Not all, but go ahead and chgrp all of them so we don't miss any new ones.
sudo find "${ALLSKY_CONFIG}/" -type f -exec chmod 664 '{}' \;
sudo find "${ALLSKY_CONFIG}/" -type d -exec chmod 775 '{}' \;
sudo chgrp -R "${WEBSERVER_GROUP}" "${ALLSKY_CONFIG}"
# The files should already be the correct permissions/owners, but just in case, set them.
# We don't know what permissions may have been on the old website, so use "sudo".
sudo find "${ALLSKY_WEBUI}/" -type f -exec chmod 644 '{}' \;
sudo find "${ALLSKY_WEBUI}/" -type d -exec chmod 755 '{}' \;
chmod 755 "${ALLSKY_WEBUI}/includes/createAllskyOptions.php"
if [[ -d "${ALLSKY_WEBSITE}" ]]; then
sudo find "${ALLSKY_WEBUI}/" -type d -name thumbnails \! -perm 775 -exec chmod 775 '{}' \;
sudo find "${ALLSKY_WEBUI}/" -type d -name thumbnails \! -group "${WEBSERVER_GROUP}" -exec chgrp "${WEBSERVER_GROUP}" '{}' \;
fi
chmod 775 "${ALLSKY_TMP}"
sudo chgrp "${WEBSERVER_GROUP}" "${ALLSKY_TMP}"
# This is actually an Allsky Website file, but in case we restored the old website,
# set its permissions.
chgrp -f "${WEBSERVER_GROUP}" "${ALLSKY_WEBSITE_CONFIGURATION_FILE}"
}
####
# Check if there's a WebUI in the old-style location,
# or if the directory exists but there doesn't appear to be a WebUI in it.
# The installation (sometimes?) creates the directory.
OLD_WEBUI_LOCATION_EXISTS_AT_START="false"
does_old_WebUI_location_exist()
{
[[ -d ${OLD_WEBUI_LOCATION} ]] && OLD_WEBUI_LOCATION_EXISTS_AT_START="true"
STATUS_VARIABLES+=("does_old_WebUI_location_exist='true'\n")
STATUS_VARIABLES+=("OLD_WEBUI_LOCATION_EXISTS_AT_START='${OLD_WEBUI_LOCATION_EXISTS_AT_START}'\n")
}
# If the old WebUI location is there:
# but it wasn't when the installation started,
# that means the installation created it so remove it.
#
# Let the user know if there's an old WebUI, or something unknown there.
check_old_WebUI_location()
{
STATUS_VARIABLES+=("check_old_WebUI_location='true'\n")
[[ ! -d ${OLD_WEBUI_LOCATION} ]] && return
if [[ ${OLD_WEBUI_LOCATION_EXISTS_AT_START} == "false" ]]; then
# Installation created the directory so get rid of it.
sudo rm -fr "${OLD_WEBUI_LOCATION}"
return