snippets/get-cloud-instance-to-update.sh: a really smal change - remove a blank sign..

remove-old-nc-installations.sh

@@ -0,0 +1,453 @@
+#!/usr/bin/env bash
+
+CUR_IFS="$IFS"
+
+script_name="$(basename $(realpath $0))"
+script_dir="$(dirname $(realpath $0))"
+
+conf_dir="${script_dir}/conf"
+snippet_dir="${script_dir}/snippets"
+
+declare -a unsorted_website_arr
+declare -a website_arr
+
+log_file="$(mktemp)"
+
+backup_date=$(date +%Y-%m-%d-%H%M)
+
+
+# =============
+# --- Some functions
+# =============
+
+clean_up() {
+
+
+   if [[ -f "$_backup_crontab_file" ]]; then
+
+      echononl "(Re)Install previously saved crontab from '$_backup_crontab_file'.."
+
+      crontab $_backup_crontab_file >> $log_file 2>&1
+
+      if [[ $? -eq 0 ]]; then
+         echo_ok
+      else
+         echo_failed
+			error "$(cat $log_file)"
+      fi
+
+   fi
+
+   # Perform program exit housekeeping
+   rm -f $log_file
+   blank_line
+   exit $1
+}
+
+is_number() {
+
+   return $(test ! -z "${1##*[!0-9]*}" > /dev/null 2>&1);
+
+   # - also possible
+   # -
+   #[[ ! -z "${1##*[!0-9]*}" ]] && return 0 || return 1
+   #return $([[ ! -z "${1##*[!0-9]*}" ]])
+}
+
+echononl(){
+   echo X\\c > /tmp/shprompt$$
+   if [ `wc -c /tmp/shprompt$$ | awk '{print $1}'` -eq 1 ]; then
+      echo -e -n "$*\\c" 1>&2
+   else
+       echo -e -n "$*" 1>&2
+   fi
+   rm /tmp/shprompt$$
+}
+echo_done() {
+   if $terminal ; then
+      echo -e "\033[75G[ \033[32mdone\033[m ]"
+   else
+      echo " [ done ]"
+   fi
+}
+echo_ok() {
+   if $terminal ; then
+      echo -e "\033[75G[ \033[32mok\033[m ]"
+   else
+      echo " [ ok ]"
+   fi
+}
+echo_warning() {
+   if $terminal ; then
+      echo -e "\033[75G[ \033[33m\033[1mwarn\033[m ]"
+   else
+      echo " [ warning ]"
+   fi
+}
+echo_failed(){
+   if $terminal ; then
+      echo -e "\033[75G[ \033[1;31mfailed\033[m ]"
+   else
+      echo ' [ failed! ]'
+   fi
+}
+echo_skipped() {
+   if $terminal ; then
+      echo -e "\033[75G[ \033[37mskipped\033[m ]"
+   else
+      echo " [ skipped ]"
+   fi
+}
+echo_wait(){
+   if $terminal ; then
+      echo -en "\033[75G[ \033[5m\033[1m..\033[m ]"
+   fi
+}
+fatal (){
+   echo ""
+   echo ""
+   if $terminal ; then
+      echo -e "\t[ \033[31m\033[1mFatal\033[m ]: \033[37m\033[1m$*\033[m"
+      echo ""
+      echo -e "\t\033[31m\033[1m           Script will be interrupted..\033[m\033[m"
+   else
+      echo "fatal: $*"
+      echo "Script will be interrupted.."
+   fi
+   clean_up 1
+}
+
+error(){
+   echo ""
+   if $terminal ; then
+      echo -e "\t[ \033[31m\033[1mFehler\033[m ]: $*"
+   else
+      echo "Error: $*"
+   fi
+   echo ""
+}
+
+warn (){
+   echo ""
+   if $terminal ; then
+      echo -e "\t[ \033[33m\033[1mWarning\033[m ]: $*"
+   else
+      echo "Warning: $*"
+   fi
+   echo ""
+}
+
+info (){
+   echo ""
+   if $terminal ; then
+      echo -e "\t[ \033[32m\033[1mInfo\033[m ]: $*"
+   else
+      echo "Info: $*"
+   fi
+   echo ""
+}
+
+## - Check if a given array (parameter 2) contains a given string (parameter 1)
+## -
+containsElement () {
+   local e
+   for e in "${@:2}"; do [[ "$e" == "$1" ]] && return 0; done
+   return 1
+}
+
+blank_line() {
+   if $terminal ; then
+      echo ""
+   fi
+}
+
+
+
+# ----------
+# - Jobhandling 
+# ----------
+
+# - Run 'clean_up' for signals SIGHUP SIGINT SIGTERM
+# -
+trap clean_up SIGHUP SIGINT SIGTERM
+
+## - 
+while IFS='' read -r -d '' _conf_file ; do
+   source $_conf_file
+   if [[ -n "$WEBSITE" ]] ; then
+      unsorted_website_arr+=("${WEBSITE}:$_conf_file")
+   fi
+   WEBSITE=""
+done  < <(find "${conf_dir}" -maxdepth 1 -type f -name "*.conf" -print0)
+
+if [[ ${#unsorted_website_arr} -eq 0 ]]; then
+   fatal "No configuration files found in '${script_dir}/conf' or no website configured!"
+fi
+
+# - Sort array
+# -
+IFS=$'\n' website_arr=($(sort <<<"${unsorted_website_arr[*]}"))
+
+
+# - Reset IFS
+# -
+IFS=$CUR_IFS
+
+
+
+# =============
+# --- Some 
+# =============
+
+# - Support systemd ?
+# -
+if [[ "X$(which systemd)" = "X" ]]; then
+   SYSTEMD_EXISTS=false
+else
+   SYSTEMD_EXISTS=true
+fi
+
+# - Running in a terminal?
+# -
+if [[ -t 1 ]] ; then
+      terminal=true
+else
+   terminal=false
+fi
+
+#clear
+
+echo ""
+echo -e "\033[32m-----\033[m"
+echo "Clean up NC Installation"
+echo -e "\033[32m-----\033[m"
+
+
+# Which cloud instance (website) would you like to update
+#
+source ${snippet_dir}/get-cloud-instance-to-update.sh
+
+
+# - Reset IFS
+# -
+IFS=$CUR_IFS
+
+
+echo ""
+echononl "   Include Configuration file.."
+if [[ ! -f $conf_file ]]; then
+   echo_failed
+   fatal "Missing configuration file '$conf_file'"
+else
+   source $conf_file
+   echo_ok
+fi
+echo ""
+
+
+
+# =============
+# --- Some checks
+# =============
+
+DEFAULT_HTTP_USER="www-data"
+DEFAULT_HTTP_USER="www-data"
+
+
+if [[ -z ${WEBSITE} ]] ; then
+   fatal "No website given (parameter 'WEBSITE')"
+fi
+
+DEFAULT_WEB_BASE_DIR="/var/www/$WEBSITE"
+DEFAULT_PHP_ENGINE="FPM"
+
+[[ -n "$WEB_BASE_DIR" ]] || WEB_BASE_DIR=$DEFAULT_WEB_BASE_DIR
+
+if [[ ! -d ${WEB_BASE_DIR} ]] ; then
+   fatal "Web base directory not found (parameter 'WEB_BASE_DIR')"
+fi
+
+[[ -n "$PHP_ENGINE" ]] || PHP_ENGINE=$DEFAULT_PHP_ENGINE
+
+if [[ "$DATABASE_TYPE" != "postgres" ]] && [[ "$DATABASE_TYPE" != "mysql" ]]; then
+   fatal "Wrong or missing database type (parameter 'DATABASE_TYPE')"
+fi
+
+if [[ -z "$DATABASE_NAME" ]]; then
+   fatal "Missing database name (parameter 'DATABASE_NAME')"
+fi
+
+if [[ "$DATABASE_TYPE" = "mysql" ]] && [[ -z "$MYSQL_CREDENTIALS" ]]; then
+   fatal "No Database Credentials for MySQL given (parameter 'MYSQL_CREDENTIALS')"
+fi
+
+if [[ "$DATABASE_TYPE" = "postgres" ]]; then
+   if [[ -z "$PSQL_USER" ]] || [[ -z "$PSQL_PASS" ]]; then
+      fatal "No Database Credentials for PostgreSQL given (parameters: 'PSQL_USER' 'PSQL_PASS'"
+   fi
+fi
+
+
+NGINX_IS_ENABLED=false
+APACHE2_IS_ENABLED=false
+
+# Get Webservice environment as IS_HTTPD_RUNNING, HTTP_USER, HTTP_GROUP..
+#
+source ${snippet_dir}/get-webservice-environment.sh
+
+
+# Check PHP Version
+#
+source ${snippet_dir}/get-php-major-version.sh
+
+
+# Get full qualified PHP command
+#
+source ${snippet_dir}/get-path-of-php-command.sh
+
+
+
+# - Get available backup versions 
+# -
+for _dir in $(ls -d ${WEB_BASE_DIR}/nextcloud-*) ; do
+   if [[ "$(basename "$_dir")" =~ ^nextcloud-[0-9]{1,2}\.[0-9]{1,2}\.[0-9]{1,2}\.[0-9]{4} ]]; then
+      _version="$(echo "$_dir"| grep -o -E "[0-9]{1,2}\.[0-9]{1,2}\.[0-9]{1,2}")"
+      _backup_date="$(echo "$_dir"| grep -o -E "[0-9]{4}-[0-9]{2}-[0-9]{2}-[0-9]{4}")"
+      if [[ -d "${WEB_BASE_DIR}/nextcloud-${_version}.${_backup_date}" ]] \
+         && [[ -d "${WEB_BASE_DIR}/data-${_version}.${_backup_date}" ]] \
+         && [[ -f "${WEB_BASE_DIR}/${DATABASE_NAME}-v${_version}.${_backup_date}.sql" ]]; then
+
+         nextcloud_version_arr+=("$(basename "${_dir}"):${_version}:${_backup_date}")
+      fi
+   fi
+done
+
+if [[ ${#nextcloud_version_arr[@]} -lt 1 ]] ; then
+   info "No old version present!"
+   clean_up 0
+fi
+
+
+echo ""
+echo ""
+echo -e "\033[37m\033[1mGoing to delete the folowing old NC installations:..\033[m"
+echo ""
+
+
+for _backup_version in ${nextcloud_version_arr[@]} ; do
+   IFS=':' read -a _arr <<< ${_backup_version}
+   echo "   [$i] Version ${_arr[1]} from ${_arr[2]}"
+   ((i++))
+done
+
+echo ""
+echo -en "\t\033[33mType upper case 'YES' to continue with deleting ALL old NC installations\033[m: "
+read OK
+if [[ "$OK" = "YES" ]] ; then
+   echo ""
+   echo ""
+   echo ""
+   echo -e "\033[1;32mGoing to delete ALL old NC installations including data directories on \033[1;37m$WEBSITE \033[m"
+else
+   fatal "Abort by user request - Answer as not 'YES'"
+fi
+
+
+for _backup_version in ${nextcloud_version_arr[@]} ; do
+   IFS=':' read -a _arr <<< ${_backup_version}
+
+   echo ""
+   echo ""
+   echo -e "\033[37m\033[1mGoing to delete the NC Version ${_arr[1]} saved on ${_arr[2]}..\033[m"
+   echo ""
+
+   echononl "   Delete SQL file '${DATABASE_NAME}-v${_arr[1]}.${_arr[2]}.sql'"
+   if [[ -f "${WEB_BASE_DIR}/${DATABASE_NAME}-v${_arr[1]}.${_arr[2]}.sql" ]]; then
+
+      rm -f "${WEB_BASE_DIR}/${DATABASE_NAME}-v${_arr[1]}.${_arr[2]}.sql" > ${log_file} 2>&1
+
+      if [[ $? -eq 0 ]]; then
+         echo_ok
+      else
+         echo_failed
+         error "\n\n$(cat $log_file)"
+
+         echononl "continue anyway [yes/no]: "
+         read OK
+         OK="$(echo "$OK" | tr '[:upper:]' '[:lower:]')"
+         while [[ "$OK" != "yes" ]] && [[  "$OK" != "no" ]] ; do
+            echononl "Wrong entry! - repeat [yes/no]: "
+            read OK
+         done
+         [[ $OK = "yes" ]] || fatal "Abbruch durch User"
+         blank_line
+
+      fi
+
+   else
+      echo_skipped
+      warn  "SQL file '${DATABASE_NAME}-v${_arr[1]}.${_arr[2]}.sql' not found!"
+   fi
+
+   echononl "   Delete data directory 'data-${_arr[1]}.${_arr[2]}'"
+   if [[ -d "${WEB_BASE_DIR}/data-${_arr[1]}.${_arr[2]}" ]]; then
+
+      rm -rf "${WEB_BASE_DIR}/data-${_arr[1]}.${_arr[2]}" > ${log_file} 2>&1
+      echo_wait
+
+      if [[ $? -eq 0 ]]; then
+         echo_ok
+      else
+         echo_failed
+         error "\n\n$(cat $log_file)"
+
+         echononl "continue anyway [yes/no]: "
+         read OK
+         OK="$(echo "$OK" | tr '[:upper:]' '[:lower:]')"
+         while [[ "$OK" != "yes" ]] && [[  "$OK" != "no" ]] ; do
+            echononl "Wrong entry! - repeat [yes/no]: "
+            read OK
+         done
+         [[ $OK = "yes" ]] || fatal "Abbruch durch User"
+         blank_line
+
+      fi
+
+   else
+      echo_skipped
+      warn  "Data directory '${WEB_BASE_DIR}/data-${_arr[1]}.${_arr[2]}' not found!"
+   fi
+
+   echononl "   Delete NC install directory 'nextcloud-${_arr[1]}.${_arr[2]}'"
+   if [[ -d "${WEB_BASE_DIR}/nextcloud-${_arr[1]}.${_arr[2]}" ]]; then
+
+      rm -rf "${WEB_BASE_DIR}/nextcloud-${_arr[1]}.${_arr[2]}" > ${log_file} 2>&1
+      echo_wait
+
+      if [[ $? -eq 0 ]]; then
+         echo_ok
+      else
+         echo_failed
+         error "\n\n$(cat $log_file)"
+
+         echononl "continue anyway [yes/no]: "
+         read OK
+         OK="$(echo "$OK" | tr '[:upper:]' '[:lower:]')"
+         while [[ "$OK" != "yes" ]] && [[  "$OK" != "no" ]] ; do
+            echononl "Wrong entry! - repeat [yes/no]: "
+            read OK
+         done
+         [[ $OK = "yes" ]] || fatal "Abbruch durch User"
+         blank_line
+
+      fi
+
+   else
+      echo_skipped
+      warn  "NC install directory directory '${WEB_BASE_DIR}/nextcloud-${_arr[1]}.${_arr[2]}' not found!"
+   fi
+
+
+done
+
+clean_up 0