#!/usr/bin/env bash # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # https://www.gnu.org/software/bash/manual/html_node/The-Set-Builtin.html [ "$DEBUGGER" = "on" ] && echo "Enabling debugging" && set -o pipefail -x$DEBUGGER_OPTIONS || set -o pipefail # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - printf '%s\n' "# - - - Initializing system-scripts - - - #" # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - SERVICE_NAME="system-scripts" SCRIPT_NAME="$(basename "$0" 2>/dev/null)" # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - export PATH="/usr/local/etc/docker/bin:/usr/local/bin:/usr/bin:/usr/sbin:/bin:/sbin" # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # run trap command on exit trap 'retVal=$?;[ "$SERVICE_IS_RUNNING" != "true" ] && [ -f "$SERVICE_PID_FILE" ] && rm -Rf "$SERVICE_PID_FILE";exit $retVal' SIGINT SIGTERM EXIT # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # import the functions file if [ -f "/usr/local/etc/docker/functions/entrypoint.sh" ]; then . "/usr/local/etc/docker/functions/entrypoint.sh" fi # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # import variables for set_env in "/root/env.sh" "/usr/local/etc/docker/env"/*.sh "/config/env"/*.sh; do [ -f "$set_env" ] && . "$set_env" done # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # Custom functions # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # Show message before execute PRE_EXEC_MESSAGE="" # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # Default predefined variables WORKDIR="" # set working directory DATA_DIR="/data" # set data directory WWW_DIR="/data/htdocs/www" # set the web root # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ETC_DIR="/etc/system-scripts" # set etc directory CONF_DIR="/config/system-scripts" # set config directory # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - RUN_DIR="/run/init.d" # set scripts pid dir LOG_DIR="/data/logs/system-scripts" # set log directory # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ROOT_FILE_PREFIX="/config/secure/auth/root" # directory to save username/password for root user USER_FILE_PREFIX="/config/secure/auth/user" # directory to save username/password for normal user # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # set the database directory DATABASE_DIR="${DATABASE_DIR_SYSTEM_SCRIPTS:-/data/db/system-scripts}" # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # Additional predefined variables # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # port which service is listening on SERVICE_PORT="" # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # execute command variables SERVICE_UID="0" # set the user id SERVICE_USER="root" # execute command as another user EXEC_CMD_BIN="system-scripts" # command to execute EXEC_CMD_ARGS="" # command arguments # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # Is this service a web server IS_WEB_SERVER="no" # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # Is this service a database server IS_DATABASE_SERVICE="no" # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # Additional variables # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # usernames user_name="${SYSTEM_SCRIPTS_USER_NAME:-}" # normal user name root_user_name="${SYSTEM_SCRIPTS_ROOT_USER_NAME:-}" # root user name # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # passwords [password/random] user_pass="${SYSTEM_SCRIPTS_USER_PASS_WORD:-}" # normal user password root_user_pass="${SYSTEM_SCRIPTS_ROOT_PASS_WORD:-}" # root user password # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # Overwrite variables from files [ -f "${USER_FILE_PREFIX}/${SERVICE_NAME}_name" ] && user_name="$(<"${USER_FILE_PREFIX}/${SERVICE_NAME}_name")" [ -f "${USER_FILE_PREFIX}/${SERVICE_NAME}_pass" ] && user_pass="$(<"${USER_FILE_PREFIX}/${SERVICE_NAME}_pass")" [ -f "${ROOT_FILE_PREFIX}/${SERVICE_NAME}_name" ] && root_user_name="$(<"${ROOT_FILE_PREFIX}/${SERVICE_NAME}_name")" [ -f "${ROOT_FILE_PREFIX}/${SERVICE_NAME}_pass" ] && root_user_pass="$(<"${ROOT_FILE_PREFIX}/${SERVICE_NAME}_pass")" # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # Specifiy custom directories to be created ADD_APPLICATION_FILES="" ADD_APPLICATION_DIRS="" # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - APPLICATION_FILES="$LOG_DIR/system-scripts.log" APPLICATION_DIRS="$RUN_DIR $ETC_DIR $CONF_DIR $LOG_DIR" # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # use this function to update config files - IE: change port __update_conf_files() { local exitCode=0 # default exit code local user="${SERVICE_USER:-root}" # specifiy different user # delete files #__rm "" # define actions # create default directories for filedirs in $ADD_APPLICATION_DIRS $APPLICATION_DIRS; do if [ -n "$filedirs" ] && [ ! -d "$filedirs" ]; then ( echo "Creating directory $filedirs with permissions 777" mkdir -p "$filedirs" && chmod -Rf 777 "$filedirs" ) |& tee -a "$LOG_DIR/init.txt" &>/dev/null fi done # create default files for application_files in $ADD_APPLICATION_FILES $APPLICATION_FILES; do if [ -n "$application_files" ] && [ ! -e "$application_files" ]; then ( echo "Creating file $application_files with permissions 777" touch "$application_files" && chmod -Rf 777 "$application_files" ) |& tee -a "$LOG_DIR/init.txt" &>/dev/null fi done # create directories if variable is yes" [ "$IS_WEB_SERVER" = "yes" ] && APPLICATION_DIRS="$APPLICATION_DIRS $WWW_DIR" && { [ -d "$WWW_DIR" ] || { (echo "Creating directory $WWW_DIR with permissions 777" && mkdir -p "$WWW_DIR" && chmod -f 777 "$WWW_DIR") |& tee -a "$LOG_DIR/init.txt" &>/dev/null; }; } [ "$IS_DATABASE_SERVICE" = "yes" ] && APPLICATION_DIRS="$APPLICATION_DIRS $DATABASE_DIR" && { [ -d "$DATABASE_DIR" ] || { (echo "Creating directory $DATABASE_DIR with permissions 777" && mkdir -p "$DATABASE_DIR" && chmod -f 777 "$DATABASE_DIR") |& tee -a "$LOG_DIR/init.txt" &>/dev/null; }; } # copy config files to system __file_copy "$CONF_DIR/." "$ETC_DIR/" |& tee -a "$LOG_DIR/init.txt" &>/dev/null # replace variables # __replace "" "" "$CONF_DIR/system-scripts.conf" # replace variables recursively # __find_replace "" "" "$CONF_DIR/" # custom commands # other # unset unneeded variables unset application_files filedirs return $exitCode } # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # function to run before executing __pre_execute() { local exitCode=0 # default exit code local user="${SERVICE_USER:-root}" # specifiy different user # define commands # execute if directories is empty #__is_dir_empty "" && # create user if needed # __create_service_user "$user" "/home/$user" "${USER_GID:-${USER_UID:-1000}" # set user on files/folders if [ -n "$user" ] && [ "$user" != "root" ]; then if grep -s -q "$user:" "/etc/passwd"; then for permissions in $ADD_APPLICATION_DIRS $APPLICATION_DIRS; do if [ -n "$permissions" ] && [ -e "$permissions" ]; then (chown -Rf $user:$user "$permissions" && echo "changed ownership on $permissions to $user") |& tee -a "$LOG_DIR/init.txt" &>/dev/null fi done fi fi # unset unneeded variables unset filesperms filename return $exitCode } # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # function to run after executing __post_execute() { local exitCode=0 # default exit code local user="${SERVICE_USER:-root}" # specifiy different user sleep 60 # how long to wait before executing echo "Running post commands" # message # execute commands return $exitCode } # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # use this function to update config files - IE: change port __pre_message() { local exitCode=0 [ -n "$user_name" ] && echo "username: $user_name" && echo "$user_name" >"${USER_FILE_PREFIX}/${SERVICE_NAME}_name" [ -n "$user_pass" ] && echo "password: saved to ${USER_FILE_PREFIX}/${SERVICE_NAME}_pass" && echo "$user_pass" >"${USER_FILE_PREFIX}/${SERVICE_NAME}_pass" [ -n "$root_user_name" ] && echo "root username: $root_user_name" && echo "$root_user_name" >"${ROOT_FILE_PREFIX}/${SERVICE_NAME}_name" [ -n "$root_user_pass" ] && echo "root password: saved to ${ROOT_FILE_PREFIX}/${SERVICE_NAME}_pass" && echo "$root_user_pass" >"${ROOT_FILE_PREFIX}/${SERVICE_NAME}_pass" return $exitCode } # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # use this function to setup ssl support __update_ssl_conf() { local exitCode=0 return $exitCode } # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - __create_env() { cat </dev/null # ENV_WORKDIR="${ENV_WORKDIR:-$WORKDIR}" # change to directory # ENV_WWW_DIR="${ENV_WWW_DIR:-$WWW_DIR}" # set default web dir # ENV_ETC_DIR="${ENV_ETC_DIR:-$ETC_DIR}" # set default etc dir # ENV_DATA_DIR="${ENV_DATA_DIR:-$DATA_DIR}" # set default data dir # ENV_CONF_DIR="${ENV_CONF_DIR:-$CONF_DIR}" # set default config dir # ENV_DATABASE_DIR="${ENV_DATABASE_DIR:-$DATABASE_DIR}" # set database dir # ENV_SERVICE_USER="${ENV_SERVICE_USER:-$SERVICE_USER}" # execute command as another user # ENV_SERVICE_UID="${ENV_SERVICE_UID:-$SERVICE_UID}" # set the user id # ENV_SERVICE_PORT="${ENV_SERVICE_PORT:-$SERVICE_PORT}" # port which service is listening on # EXEC_CMD_BIN="${ENV_EXEC_CMD_BIN:-$EXEC_CMD_BIN}" # command to execute # EXEC_CMD_ARGS="${ENV_EXEC_CMD_ARGS:-$EXEC_CMD_ARGS}" # command arguments # EXEC_CMD_NAME="$(basename "$EXEC_CMD_BIN")" # set the binary name # ENV_USER_NAME="${user_name:-$ENV_USER_NAME}" # # ENV_USER_PASS="${user_pass:-$ENV_USER_PASS}" # # ENV_ROOT_USER_NAME="${root_user_name:-$ENV_ROOT_USER_NAME}" # # ENV_ROOT_USER_PASS="${root_user_pass:-$ENV_ROOT_USER_PASS}" # EOF [ -f "/config/env/${SERVICE_NAME:-$SCRIPT_NAME}.sh" ] || return 1 } # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # script to start server __run_start_script() { local user="${SERVICE_USER:-root}" local workdir="${WORKDIR:-$WORK_DIR}" local cmd="$EXEC_CMD_BIN $EXEC_CMD_ARGS" local lc_type="${LC_ALL:-${LC_CTYPE:-$LANG}}" local home="${workdir//\/root/\/tmp\/docker}" local path="/usr/local/bin:/usr/bin:/usr/sbin:/bin:/sbin" if [ -z "$EXEC_CMD_BIN" ]; then __post_execute 2>"/dev/stderr" |& tee -a "$LOG_DIR/init.txt" &>/dev/null echo "Initializing $SCRIPT_NAME has completed" else # ensure the command exists if [ ! -x "$EXEC_CMD_BIN" ]; then echo "$EXEC_CMD_NAME is not a valid executable" exit 2 fi # set working directories [ -z "$home" ] && home="${workdir:-/tmp/docker}" [ "$home" = "/root" ] && home="/tmp/docker" [ "$home" = "$workdir" ] && workdir="" # create needed directories [ -n "$home" ] && { [ -d "$home" ] || mkdir -p "$home"; } [ -n "$workdir" ] && { [ -d "$workdir" ] || mkdir -p "$workdir" || workdir="/tmp"; } [ -n "$workdir" ] && __cd "$workdir" || { [ -n "$home" ] && __cd "$home"; } || __cd "/tmp" [ "$user" != "root " ] && [ -d "$home" ] && chmod -f 777 "$home" [ "$user" != "root " ] && [ -d "$workdir" ] && chmod -f 777 "$workdir" # check and exit if already running if __proc_check "$EXEC_CMD_NAME" || __proc_check "$EXEC_CMD_BIN"; then echo "$EXEC_CMD_NAME is already running" >&2 exit 0 else echo "Starting service: $EXEC_CMD_NAME $EXEC_CMD_ARGS" su_cmd touch "$SERVICE_PID_FILE" __post_execute 2>"/dev/stderr" 2>&1 |& tee -a "$LOG_DIR/init.txt" &>/dev/null & su_cmd env -i HOME="$home" LC_CTYPE="$lc_type" PATH="$path" USER="$user" sh -c "$cmd" || return 10 fi fi } # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # username and password actions __run_secure_function() { if [ -n "$user_name" ] || [ -n "$user_pass" ]; then for filesperms in "${USER_FILE_PREFIX}"/*; do if [ -e "$filesperms" ]; then chmod -Rf 600 "$filesperms" chown -Rf root:root "$filesperms" fi done |& tee -a "$LOG_DIR/init.txt" &>/dev/null fi if [ -n "$root_user_name" ] || [ -n "$root_user_pass" ]; then for filesperms in "${ROOT_FILE_PREFIX}"/*; do if [ -e "$filesperms" ]; then chmod -Rf 600 "$filesperms" chown -Rf root:root "$filesperms" fi done |& tee -a "$LOG_DIR/init.txt" &>/dev/null fi } # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # simple cd function __cd() { mkdir -p "$1" && builtin cd "$1" || exit 1; } # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # process check functions __pcheck() { [ -n "$(type -P pgrep 2>/dev/null)" ] && pgrep -x "$1" &>/dev/null && return 0 || return 10; } __pgrep() { __pcheck "${1:-$EXEC_CMD_BIN}" || __ps aux 2>/dev/null | grep -Fw " ${1:-$EXEC_CMD_BIN}" | grep -qv ' grep' | grep '^' && return 0 || return 10; } # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # check if process is already running __proc_check() { cmd_bin="$(type -P "${1:-$EXEC_CMD_BIN}")" cmd_name="$(basename "${cmd_bin:-$EXEC_CMD_NAME}")" if __pgrep "$cmd_bin" || __pgrep "$cmd_name"; then SERVICE_IS_RUNNING="true" touch "$SERVICE_PID_FILE" echo "$cmd_name is already running" return 0 else return 1 fi } # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # Allow ENV_ variable - Import env file [ -f "/config/env/${SERVICE_NAME:-$SCRIPT_NAME}.sh" ] && . "/config/env/${SERVICE_NAME:-$SCRIPT_NAME}.sh" # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - SERVICE_EXIT_CODE=0 # default exit code WORKDIR="${ENV_WORKDIR:-$WORKDIR}" # change to directory WWW_DIR="${ENV_WWW_DIR:-$WWW_DIR}" # set default web dir ETC_DIR="${ENV_ETC_DIR:-$ETC_DIR}" # set default etc dir DATA_DIR="${ENV_DATA_DIR:-$DATA_DIR}" # set default data dir CONF_DIR="${ENV_CONF_DIR:-$CONF_DIR}" # set default config dir DATABASE_DIR="${ENV_DATABASE_DIR:-$DATABASE_DIR}" # set database dir SERVICE_USER="${ENV_SERVICE_USER:-$SERVICE_USER}" # execute command as another user SERVICE_UID="${ENV_SERVICE_UID:-$SERVICE_UID}" # set the user id SERVICE_PORT="${ENV_SERVICE_PORT:-$SERVICE_PORT}" # port which service is listening on PRE_EXEC_MESSAGE="${ENV_PRE_EXEC_MESSAGE:-$PRE_EXEC_MESSAGE}" # Show message before execute # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # application specific EXEC_CMD_BIN="${ENV_EXEC_CMD_BIN:-$EXEC_CMD_BIN}" # command to execute EXEC_CMD_BIN="$(type -P "$EXEC_CMD_BIN" || echo "$EXEC_CMD_BIN")" # set full path EXEC_CMD_NAME="$(basename "$EXEC_CMD_BIN")" # set the binary name SERVICE_PID_FILE="/run/init.d/$EXEC_CMD_NAME.pid" # set the pid file location EXEC_CMD_ARGS="${ENV_EXEC_CMD_ARGS:-$EXEC_CMD_ARGS}" # command arguments SERVICE_PID_NUMBER="$(__pgrep)" # check if running # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # create auth directories [ -n "$USER_FILE_PREFIX" ] && { [ -d "$USER_FILE_PREFIX" ] || mkdir -p "$USER_FILE_PREFIX"; } [ -n "$ROOT_FILE_PREFIX" ] && { [ -d "$ROOT_FILE_PREFIX" ] || mkdir -p "$ROOT_FILE_PREFIX"; } # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # Allow per init script usernames and passwords [ -f "$ETC_DIR/auth/user/name" ] && user_name="$(<"$ETC_DIR/auth/user/name")" [ -f "$ETC_DIR/auth/user/pass" ] && user_pass="$(<"$ETC_DIR/auth/user/pass")" [ -f "$ETC_DIR/auth/root/name" ] && root_user_name="$(<"$ETC_DIR/auth/root/name")" [ -f "$ETC_DIR/auth/root/pass" ] && root_user_pass="$(<"$ETC_DIR/auth/root/pass")" # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # Allow setting initial users and passwords via environment user_name="${user_name:-$ENV_USER_NAME}" user_pass="${user_pass:-$ENV_USER_PASS}" root_user_name="${root_user_name:-$ENV_ROOT_USER_NAME}" root_user_pass="${root_user_pass:-$ENV_ROOT_USER_PASS}" # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # set password to random if variable is random if [ "$user_pass" = "random" ]; then user_pass="$(__random_password)" fi # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - if [ "$root_user_pass" = "random" ]; then root_user_pass="$(__random_password)" fi # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # Allow variables via imports - Overwrite existing [ -f "/config/env/${SERVICE_NAME:-$SCRIPT_NAME}.sh" ] && . "/config/env/${SERVICE_NAME:-$SCRIPT_NAME}.sh" # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # Only run check if [ "$1" = "check" ]; then __proc_check "$EXEC_CMD_NAME" || __proc_check "$EXEC_CMD_BIN" exit $? fi # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # show message if env exists if [ -n "$EXEC_CMD_BIN" ]; then [ -n "$SERVICE_USER" ] && echo "Setting up service to run as $SERVICE_USER" || SERVICE_USER="root" [ -n "$SERVICE_PORT" ] && echo "${EXEC_CMD_NAME:-$EXEC_CMD_BIN} will be running on $SERVICE_PORT" || SERVICE_PORT="" fi # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # set switch user command if [ "$SERVICE_USER" = "root" ] || [ -z "$SERVICE_USER" ]; then su_cmd() { eval "$*" || return 1; } elif [ "$(builtin type -P gosu)" ]; then su_cmd() { gosu $SERVICE_USER "$@" || return 1; } elif [ "$(builtin type -P runuser)" ]; then su_cmd() { runuser -u $SERVICE_USER "$@" || return 1; } elif [ "$(builtin type -P sudo)" ]; then su_cmd() { sudo -u $SERVICE_USER "$@" || return 1; } elif [ "$(builtin type -P su)" ]; then su_cmd() { su -s /bin/sh - $SERVICE_USER -c "$@" || return 1; } else echo "Can not switch to $SERVICE_USER: attempting to run as root" su_cmd() { eval "$*" || return 1; } fi # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # Change to working directory [ -n "$WORKDIR" ] && [ -n "$EXEC_CMD_BIN" ] && __cd "$WORKDIR" && echo "Changed to $PWD" # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # show init message __pre_message # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # Initialize ssl __update_ssl_conf __update_ssl_certs # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # Updating config files __create_env __update_conf_files # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # run the pre execute commands [ -n "$PRE_EXEC_MESSAGE" ] && echo "$PRE_EXEC_MESSAGE" __pre_execute __run_secure_function # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - __run_start_script "$@" |& tee -a "/data/logs/entrypoint.log" &>/dev/null if [ "$?" -ne 0 ] && [ -n "$EXEC_CMD_BIN" ]; then echo "Failed to execute: $EXEC_CMD_BIN $EXEC_CMD_ARGS" |& tee -a "/data/logs/entrypoint.log" "$LOG_DIR/init.txt" SERVICE_EXIT_CODE=10 SERVICE_IS_RUNNING="false" rm -Rf "$SERVICE_PID_FILE" fi # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - exit $SERVICE_EXIT_CODE