run

#!/bin/bash

#======================================================================
# Performs the deployment and configuration of the server to hosting.
#
# USAGE:
#   run [--debug] [--version] [--help] [--nocolor] [--tested]
#       [--log=file path] [--lang=en|ru|...]
#
# NAME:
#   HTAN Installer
#
# PROJECT:
#   Hosting tools by Aleksey Nemiro (HTAN)
#
# REQUIREMENTS:
#   Debian 8, HTAN Tools, HTAN Installers
#
# AUTHOR:
#   Aleksey Nemiro
#   http://aleksey.nemiro.ru/
#   https://github.com/alekseynemiro/
#   <aleksey@nemiro.ru>
#   <aleksey.nemiro@gmail.com>
#
# VERSION:
#   1.0.103
#
# CREATED:
#   14.09.2015
#
# REVISION:
#   03.07.2016
#
# COPYRIGHT:
#   © Aleksey Nemiro, 2015-2016. All rights reserved.
#
# LICENSE:
#   Apache License Version 2.0
#   http://www.apache.org/licenses/LICENSE-2.0
#======================================================================

GetHTANRealPath()
{
  if [[ -L "$1" ]]; then
    # is symbolic link, get parent
    echo "$(readlink "$1")"
  else
    echo "$1"
  fi
}

# Base path
readonly HTAN_BASE_PATH="$(cd "$(dirname "$(GetHTANRealPath $0)")" && pwd)"

declare HTAN_STARTED=false
declare HTAN_START_FROM

# Installers to run
declare -a HTAN_TASK_RUN=(\
  sudo etckeeper xinetd ssh mc ntp
  postfix nginx apache2
  php mono vsftpd
  mysql phpmyadmin postgresql phppgadmin
  svn fail2ban iptables rcs adduser nmap
  ssa htan-runner sysstat
)

# Include tools
source "$HTAN_BASE_PATH/tools/common"
source "$HTAN_BASE_PATH/tools/config"
source "$HTAN_BASE_PATH/tools/package"
source "$HTAN_BASE_PATH/tools/service"
source "$HTAN_BASE_PATH/tools/web"

# Custom installers list
if [[ -n "${HTAN_PARSE_ARGS_RESULT[install]}" ]]; then
  HTAN_TASK_RUN=()
  SetIFS ','
  read -r -a HTAN_TASK_RUN <<< "${HTAN_PARSE_ARGS_RESULT[install]}"
  ResetIFS

  # sudo required
  if ! echo "${HTAN_TASK_RUN[@]}" | grep -q -w "$sudo$" && ! PackageInstalled sudo; then
    HTAN_TASK_RUN=(sudo "${HTAN_TASK_RUN[@]}")
  fi
fi

if [[ -n "${HTAN_PARSE_ARGS_RESULT[start-from]}" ]]; then
  HTAN_START_FROM="${HTAN_PARSE_ARGS_RESULT[start-from]}"
fi

#======================================================================
# Displays text of introduction.
#
# ARGUMENTS:
#   None
#
# RETURNS:
#   None
#======================================================================
function Welcome()
{
  Debug "Welcome"
  Line =
  Message "$(gettext "Hi %s!")" "$USER"
  Message "$(gettext "This script will help to configure the server for web hosting.")"
  Line =

  # Parse files of installers and generate installation details
  local -A run_info
  local -A run_info_optional
  local run_installer_name run_installer_cat run_installer_optional
  local run_installer_htan_key run_installer_htan_value
  local run_no_comment=0 run_installer_htan_section

  for run_installer in "${HTAN_TASK_RUN[@]}"; do
    if [[ ! -f "$HTAN_BASE_PATH/installers/$run_installer" ]]; then
      Debug "  %s not found." "$run_installer"
      Message "$(gettext "File %s was not found.")" "$HTAN_BASE_PATH/installers/$run_installer" -s="$DEF_STYLE_ERROR"
      continue
    fi

    run_no_comment=0
    run_installer_htan_section=false
    run_installer_name=""
    run_installer_cat=""
    run_installer_optional=false
    Debug "  Parse %s …" "$run_installer"
    # read line
    SetIFS ':'
    while read -r run_installer_htan_key run_installer_htan_value; do
      # checking key
      if [[ -z "${run_installer_htan_key:0:1}" || "${run_installer_htan_key:0:1}" != "#" ]]; then
        ((run_no_comment++))
        if (( run_no_comment > 5 )); then
          Debug "    block comments ended."
          break;
        else
          continue
        fi
      fi

      run_installer_htan_key="${run_installer_htan_key#"${run_installer_htan_key%%[!#|[:space:]]*}"}"

      if [[ "${run_installer_htan_key:0:5}" != "HTAN_" ]]; then
        if [[ $run_installer_htan_section == true && ! -z "$run_installer_htan_key" ]]; then
          Debug "    section ended."
          break
        else
          continue
        fi
      fi

      run_installer_htan_value="$(Trim "$run_installer_htan_value")"

      if [[ -z "$run_installer_htan_value" ]]; then
        read -r run_installer_htan_value
        run_installer_htan_value="${run_installer_htan_value#"${run_installer_htan_value%%[!#|[:space:]]*}"}"
      fi

      Debug "    %s = %s" "$run_installer_htan_key" "$run_installer_htan_value"

      run_installer_htan_section=true

      if [[ "$run_installer_htan_key" == "HTAN_NAME" ]]; then
        run_installer_name="$run_installer_htan_value"
      elif [[ "$run_installer_htan_key" == "HTAN_CATEGORY" ]]; then
        run_installer_cat="$run_installer_htan_value"
      elif [[ "$run_installer_htan_key" == "HTAN_OPTIONAL" ]]; then
        run_installer_optional="$run_installer_htan_value"
      fi
    done < "$HTAN_BASE_PATH/installers/$run_installer"

    if [[ -z "$run_installer_name" ]]; then
      run_installer_name="$run_installer"
    fi

    if [[ -z "$run_installer_cat" ]]; then
      run_installer_cat="General"
    fi

    if [[ "$run_installer_cat" != "Configuration" ]]; then
      run_installer_cat="$(gettext "$run_installer_cat"; echo)"
    fi

    run_installer_name="$(gettext "$run_installer_name"; echo)"

    # if [[ "$run_installer_optional" == true ]]; then
    #   run_installer_name="$run_installer_name [optional]"
    # fi

    if $HTAN_INSTALL_CONFIRMED; then
      # without optional
      run_installer_optional=false
    fi

    if [[ "$run_installer_optional" == true ]]; then
      if [[ -z "${run_info_optional[$run_installer_cat]}" ]]; then
        run_info_optional[$run_installer_cat]="$run_installer_name"
      else
        run_info_optional[$run_installer_cat]+=$'\n'
        run_info_optional[$run_installer_cat]+="$run_installer_name"
      fi
    else
      if [[ -z "${run_info[$run_installer_cat]}" ]]; then
        run_info[$run_installer_cat]="$run_installer_name"
      else
        run_info[$run_installer_cat]+=$'\n'
        run_info[$run_installer_cat]+="$run_installer_name"
      fi
    fi
  done

  local run_details="" ri_items=() ri_item=""

  # Output details
  if [[ -n "${run_info[@]}" ]]; then
    run_details+="$(Message "$(gettext "To this server will be installed the following components:")")\n"
    run_details+="$(Line -)"

    for ri_k in "${!run_info[@]}"; do
      if [[ "$ri_k" == "Configuration" ]]; then
        continue
      fi

      run_details+="$(Message "* $ri_k")\n"

      SetIFS

      while read -r ri_item; do
        run_details+="$(Message "  - $ri_item")\n"
      done <<< "${run_info[$ri_k]}"

      ResetIFS
    done

    # PressAnyKey
  fi

  if [[ -n "${run_info_optional[@]}" ]]; then
    if [[ -n "${run_info[@]}" ]]; then
      run_details+="$(Line -)"
    fi

    run_details+="$(Message "$(gettext "Optionally can be installed the following components:")")\n"
    run_details+="$(Line -)"

    for ri_k in "${!run_info_optional[@]}"; do
      if [[ "$ri_k" == "Configuration" ]]; then
        continue
      fi

      run_details+="$(Message "* $ri_k")\n"

      SetIFS

      while read -r ri_item; do
        run_details+="$(Message "  - $ri_item")\n"
      done <<< "${run_info_optional[$ri_k]}"

      ResetIFS
    done

    # PressAnyKey
  fi

  if [[ -n "${run_info[Configuration]}" ]]; then
    if [[ -n "${run_info[@]}" || -n "${run_info_optional[@]}" ]]; then
      run_details+="$(Line -)"
    fi

    run_details+="$(Message "$(gettext "Will be configured the following components:")")\n"
    run_details+="$(Line -)"

    run_details+="$(Message "* $(gettext "System configuration")")\n"

    SetIFS

    while read -r ri_item; do
      run_details+="$(Message "  - $ri_item")\n"
    done <<< "${run_info[Configuration]}"

    ResetIFS

    # PressAnyKey
  fi

  # run_details+="$(Line =)"

  printf "$run_details" | less -RXFE --prompt="$(gettext "HELP -- Press RETURN for more, or Q for skip")"

  # small pause
  read -t 0.5 -n 1 key > /dev/null

  Line =

  if ! Confirm "$(gettext "Do you want to continue?")" -yes; then
    Line
    Message "$(gettext "Goodbye!")"
    Line "~"
    exit 0
  fi
}

if [[ "$HTAN_RESTARTED" != "true" ]]; then
  Welcome
fi

unset HTAN_RESTARTED

Line

Message "$(gettext "Let's go!")"

Line

# Get server ip
GetServerIP
Line

# Check status
declare HTAN_CONTINUE=false HTAN_LAST_INSTALLER=""
if [[ -f "$HTAN_BASE_PATH/.htan-processing" ]]; then
  Message "$(gettext "Probably the previous installation process was not completed or was completed incorrectly.\nPress Y, to continue where it left off.\nPress N, to start the installation again.")"
  Line

  if Confirm "$(gettext "Do you want to continue the previous session?")" -yes; then
    HTAN_CONTINUE=true
    HTAN_LAST_INSTALLER="$(<$HTAN_BASE_PATH/.htan-processing)"
  else
    Line
  fi
fi

if [[ "$HTAN_CONTINUE" == false ]]; then
  # Get server info
  si_ram_size_kb=$(cat /proc/meminfo | grep MemTotal: | sed -r "s/MemTotal:\s+([0-9]+)\s*kB/\1/")
  si_ram_size_mb=$((si_ram_size_kb / 1000))
  si_cpu_name="$(Trim "$(cat /proc/cpuinfo | grep "model name" | cut -f2 -d':')")"
  si_hdd_size="$(df --total -h | tail -n 1 | sed -E 's/total *([^ ]*).*/\1/')"

  # Create server info file
  ServerInfo "$(cat /etc/*release | grep "^PRETTY_NAME=*" | sed -r 's/PRETTY_NAME="(.+)"/\1/')"
  ServerInfo "\n"
  ServerInfo "--------------------------------------------\n"
  ServerInfo "$(gettext "Hostname"):  $HOSTNAME\n"
  ServerInfo "$(gettext "Server IP"): $HTAN_SERVER_IP\n\n"
  ServerInfo "$(gettext "CPU"): $si_cpu_name\n"
  ServerInfo "$(gettext "RAM"): $si_ram_size_mb MB\n"
  ServerInfo "$(gettext "HDD"): $si_hdd_size\n"
  ServerInfo "--------------------------------------------\n\n"

  # Update packages
  PackageUpdate
  Line
  PackageUpgradeAll
fi

# Remove CD-ROM entry from the sources.list
sed -i '/cdrom/d' /etc/apt/sources.list

# Include and run installers
for run_installer in "${HTAN_TASK_RUN[@]}"; do
  if [[ -n "$HTAN_START_FROM" && "$HTAN_STARTED" == false && "$HTAN_START_FROM" != "$run_installer" ]]; then
    continue
  fi

  HTAN_STARTED=true

  if [[ "$HTAN_CONTINUE" == true && "$run_installer" != "$HTAN_LAST_INSTALLER" ]]; then
    continue
  elif [[ "$HTAN_CONTINUE" == true && "$run_installer" == "$HTAN_LAST_INSTALLER" ]]; then
    HTAN_CONTINUE=false
    # skip, because it is completed
    continue
  fi

  if [[ ! -f "$HTAN_BASE_PATH/installers/$run_installer" ]]; then
    continue
  fi

  source "$HTAN_BASE_PATH/installers/$run_installer"
  printf "%s" "$run_installer" > "$HTAN_BASE_PATH/.htan-processing"
done

# Delete session info
if [[ -f "$HTAN_BASE_PATH/.htan-processing" ]]; then
  rm "$HTAN_BASE_PATH/.htan-processing"
fi

Line

# Commit changes
if PackageInstalled etckeeper; then
  etckeeper_changes=$(sudo bash -c 'cd /etc; git status --porcelain --untracked-files=no | wc -l')
  if (( etckeeper_changes > 0 )); then
    c="sudo bash -c 'cd /etc; etckeeper commit \"HTAN commit\"' >> $HTAN_LOG 2>&1"
    Execute -c="$c" -m="Commit changes …" -l -sp="$DEF_STYLE_ACTION_PROC" -sc="$DEF_STYLE_ACTION_COMP"
    Line
  fi
fi

# Add installed packages list to the server info file
if [[ -n "$HTAN_INSTALLED" ]]; then
  ServerInfo "$(gettext "Installed packages:")\n"
  ServerInfo "--------------------------------------------\n"
  for program_info in "${HTAN_INSTALLED[@]}"; do
    if [[ -z "$program_info" ]]; then
      continue
    fi
    ServerInfo "* $program_info\n"
  done
  ServerInfo "--------------------------------------------\n\n"
fi

ServerInfo "Domain registration:\nhttp://www.reg.ru/?rid=76963"
ServerInfo "\nVDS hosting:\nhttps://en.ihor.ru/vds?from=112887"
ServerInfo "\n\n-- \nCreated by HTAN v$HTAN_VERSION, $(date +'%d.%m.%Y')"
ServerInfo "\nhttp://www.adminstock.net/"

# Настройка сервера завершена!
Message "$(gettext "The server is configured!")" -s="$STYLE_LGREEN"
Line

# Send server info by email
if [[ -f "$HTAN_SERVER_INFO" ]]; then
  Message "$(gettext "Information to access the components of the server can be found in the file: %s.")" "$HTAN_SERVER_INFO"

  if PackageInstalled postfix; then
    Line
    if Confirm "$(gettext "Do you want to send the file by email?")" -yes; then
      Line
      if EnterEmail --optional; then
        if [[ -f "$HTAN_LOG.gz" ]]; then
          sudo rm "$HTAN_LOG.gz" >> $HTAN_LOG 2>&1
        fi

        sudo gzip -k $HTAN_LOG >> $HTAN_LOG 2>&1

        Line
        Message "$(gettext "Sending a message …")" -n
        {
          (echo "$(cat $HTAN_SERVER_INFO)" | mail -s "Details of server $HTAN_SERVER_IP" -t "$HTAN_ENTERED_EMAIL" -a "Content-Type: text/plain; charset=UTF-8" -A "$HTAN_LOG.gz" >> $HTAN_LOG 2>&1; wait) && OK
        } ||
        {
          Fail
        }

        if [[ -f "$HTAN_LOG.gz" ]]; then
          sudo rm "$HTAN_LOG.gz" >> $HTAN_LOG 2>&1
        fi
      fi
    fi
  fi

  Line -
fi

# Show log
if [[ -f $HTAN_LOG ]]; then
  if Confirm "$(gettext "Do you want to see the log?")" -no; then
    nano $HTAN_LOG # | less -RXFE --prompt="$(gettext "HELP -- Press RETURN for more, or Q for exit")"
    wait
  fi

  Line
fi

Message "$(gettext "Recommended to reboot the server.")"
Line

if Confirm "$(gettext "Do you want to reboot now?")" -yes; then
  Line
  Message "$(gettext "Goodbye!")"
  Line "~"
  sudo shutdown -r now
else
  Line "~"
fi

exit 0