* ADD: initial commit
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@@ -0,0 +1,59 @@
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#!/bin/bash
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. /app/includes.sh
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function clear_dir() {
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rm -rf "${BACKUP_DIR}"
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}
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function backup_init() {
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NOW="$(date +"${BACKUP_FILE_DATE_FORMAT}")"
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# backup postgresql database file
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BACKUP_FILE_DB_POSTGRESQL="${BACKUP_DIR}/db.${NOW}.dump"
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# backup zip file
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BACKUP_FILE_ZIP="${BACKUP_DIR}/../backup.${NOW}.7z"
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mkdir -p "${BACKUP_DIR}"
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}
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function backup_db_postgresql() {
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echo "backup postgresql database"
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pg_dump -Fc -h "${POSTGRES_HOST}" -p "${POSTGRES_PORT}" -d "${POSTGRES_DB}" -U "${POSTGRES_USER}" -f "${BACKUP_FILE_DB_POSTGRESQL}"
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if [[ $? != 0 ]]; then
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echo "backup postgresql database failed"
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exit 1
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fi
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}
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function backup_package() {
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echo "package backup file"
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7z a -t7z -m0=lzma2 -mx=9 -mfb=64 -md=32m -ms=on -mhe=on "${BACKUP_FILE_ZIP}" "${BACKUP_DIR}"/*
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ls -lah "${BACKUP_DIR}"
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echo "display backup ${ZIP_TYPE} file list"
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7z l "${BACKUP_FILE_ZIP}"
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chown 1000:100 "${BACKUP_FILE_ZIP}"
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}
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function clear_history() {
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if [[ "${BACKUP_KEEP_DAYS}" -gt 0 ]]; then
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echo find "${BACKUP_DIR}" -mtime +"${BACKUP_KEEP_DAYS}" -exec rm -rf {} \;
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fi
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}
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echo "running the backup program at $(date +"%Y-%m-%d %H:%M:%S %Z")"
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init_env
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clear_dir
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backup_init
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backup_db_postgresql
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backup_package
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clear_dir
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clear_history
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@@ -0,0 +1,37 @@
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#!/bin/bash
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. /app/includes.sh
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# restore
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if [[ "$1" == "restore" ]]; then
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#. /app/restore.sh
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#shift
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#restore $*
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echo "not implemented yet"
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exit 0
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fi
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function configure_cron() {
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local FIND_CRON_COUNT="$(grep -c 'backup.sh' "${CRON_CONFIG_FILE}" 2> /dev/null)"
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if [[ "${FIND_CRON_COUNT}" -eq 0 ]]; then
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echo "${CRON} bash /app/backup.sh" >> "${CRON_CONFIG_FILE}"
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fi
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}
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init_env
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configure_postgresql
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configure_cron
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# backup manually
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if [[ "$1" == "backup" ]]; then
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echo "Manually triggering a backup will only execute the backup script once, and the container will exit upon completion."
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bash "/app/backup.sh"
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exit 0
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fi
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# foreground run crond
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exec supercronic -passthrough-logs -quiet "${CRON_CONFIG_FILE}"
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@@ -0,0 +1,10 @@
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#!/bin/sh
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# shellcheck disable=SC1091
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. /app/includes.sh
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if [ ! -f "${HEALTHCHECK_FILE}" ]; then
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printf 0 > "${HEALTHCHECK_FILE}"
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fi
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exit "$(cat "${HEALTHCHECK_FILE}")"
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@@ -0,0 +1,166 @@
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#!/bin/bash
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ENV_FILE="/.env"
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CRON_CONFIG_FILE="${HOME}/crontabs"
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BACKUP_DIR="/backups/tmp"
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RESTORE_DIR="/restore"
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RESTORE_EXTRACT_DIR="/extract"
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########################################
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# Check file is exist.
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# Arguments:
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# file
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########################################
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function check_file_exist() {
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if [[ ! -f "$1" ]]; then
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echo "cannot access $1: No such file"
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exit 1
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fi
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}
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########################################
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# Check directory is exist.
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# Arguments:
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# directory
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########################################
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function check_dir_exist() {
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if [[ ! -d "$1" ]]; then
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echo "cannot access $1: No such directory"
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exit 1
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fi
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}
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########################################
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# Configure PostgreSQL password file.
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# Arguments:
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# None
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########################################
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function configure_postgresql() {
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echo "${POSTGRES_HOST}:${POSTGRES_PORT}:${POSTGRES_DB}:${POSTGRES_USER}:${POSTGRES_PASSWORD}" > ~/.pgpass
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chmod 0600 ~/.pgpass
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}
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########################################
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# Export variables from .env file.
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# Arguments:
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# None
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# Outputs:
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# variables with prefix 'DOTENV_'
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# Reference:
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# https://gist.github.com/judy2k/7656bfe3b322d669ef75364a46327836#gistcomment-3632918
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########################################
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function export_env_file() {
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if [[ -f "${ENV_FILE}" ]]; then
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echo "find \"${ENV_FILE}\" file and export variables"
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set -a
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source <(cat "${ENV_FILE}" | sed -e '/^#/d;/^\s*$/d' -e 's/\(\w*\)[ \t]*=[ \t]*\(.*\)/DOTENV_\1=\2/')
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set +a
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fi
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}
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########################################
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# Get variables from
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# environment variables,
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# secret file in environment variables,
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# secret file in .env file,
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# environment variables in .env file.
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# Arguments:
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# variable name
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# Outputs:
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# variable value
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########################################
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function get_env() {
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local VAR="$1"
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local VAR_FILE="${VAR}_FILE"
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local VAR_DOTENV="DOTENV_${VAR}"
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local VAR_DOTENV_FILE="DOTENV_${VAR_FILE}"
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local VALUE=""
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if [[ -n "${!VAR:-}" ]]; then
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VALUE="${!VAR}"
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elif [[ -n "${!VAR_FILE:-}" ]]; then
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VALUE="$(cat "${!VAR_FILE}")"
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elif [[ -n "${!VAR_DOTENV_FILE:-}" ]]; then
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VALUE="$(cat "${!VAR_DOTENV_FILE}")"
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elif [[ -n "${!VAR_DOTENV:-}" ]]; then
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VALUE="${!VAR_DOTENV}"
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fi
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export "${VAR}=${VALUE}"
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}
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########################################
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# Initialization environment variables.
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# Arguments:
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# None
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# Outputs:
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# environment variables
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########################################
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function init_env() {
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# export
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export_env_file
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init_env_db
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# CRON
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get_env CRON
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CRON="${CRON:-"5 * * * *"}"
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# BACKUP_KEEP_DAYS
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get_env BACKUP_KEEP_DAYS
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BACKUP_KEEP_DAYS="${BACKUP_KEEP_DAYS:-"0"}"
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# BACKUP_FILE_DATE_FORMAT
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get_env BACKUP_FILE_SUFFIX
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get_env BACKUP_FILE_DATE
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get_env BACKUP_FILE_DATE_SUFFIX
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BACKUP_FILE_DATE="$(echo "${BACKUP_FILE_DATE:-"%Y%m%d"}${BACKUP_FILE_DATE_SUFFIX}" | sed 's/[^0-9a-zA-Z%_-]//g')"
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BACKUP_FILE_DATE_FORMAT="$(echo "${BACKUP_FILE_SUFFIX:-"${BACKUP_FILE_DATE}"}" | sed 's/\///g')"
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# HEALTHCHECK_FILE
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get_env HEALTHCHECK_FILE
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HEALTHCHECK_FILE="${HEALTHCHECK_FILE:-/app/health}"
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# TIMEZONE
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get_env TIMEZONE
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local TIMEZONE_MATCHED_COUNT=$(ls "/usr/share/zoneinfo/${TIMEZONE}" 2> /dev/null | wc -l)
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if [[ "${TIMEZONE_MATCHED_COUNT}" -ne 1 ]]; then
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TIMEZONE="UTC"
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fi
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echo "========================================"
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echo "DB_URL: postgresql://${POSTGRES_USER}:***(${#POSTGRES_PASSWORD} Chars)@${POSTGRES_HOST}:${POSTGRES_PORT}/${POSTGRES_DB}"
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echo "========================================"
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echo "CRON: ${CRON}"
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echo "BACKUP_FILE_DATE_FORMAT: ${BACKUP_FILE_DATE_FORMAT} (example \"[filename].$(date +"${BACKUP_FILE_DATE_FORMAT}").[ext]\")"
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echo "BACKUP_KEEP_DAYS: ${BACKUP_KEEP_DAYS}"
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echo "TIMEZONE: ${TIMEZONE}"
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echo HEALTHCHECK_FILE="${HEALTHCHECK_FILE:-$APP_DIR/health}"
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echo "========================================"
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}
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function init_env_db() {
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DB_TYPE="POSTGRESQL"
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# POSTGRES_HOST
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get_env POSTGRES_HOST
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# PG_PORT
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get_env POSTGRES_PORT
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POSTGRES_PORT="${POSTGRES_PORT:-"5432"}"
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# POSTGRES_DB
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get_env POSTGRES_DB
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POSTGRES_DB="${POSTGRES_DB:-"postgres"}"
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# POSTGRES_USER
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get_env POSTGRES_USER
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POSTGRES_USER="${POSTGRES_USER:-"postgres"}"
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# POSTGRES_PASSWORD
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get_env POSTGRES_PASSWORD
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}
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