Classy shell script for building a Drupal 8 website

build.sh

#!/usr/bin/env bash
# For references see the following links.
# Error handling : https://stackoverflow.com/a/50265513/1756667
# Shebang        : https://stackoverflow.com/a/10383546/1756667

info_message () {
  printf "%s\n" "$1" 2>&1 | tee -a $LOG
}

step_message () {
  printf "\n\e[42m\e[1m%s\e[0m\n" "$1" 2>&1 | tee -a $LOG
}

end_message () {
  step_message "-------------------------------"
  printf "\e[42m\e[5m ✌ ️🎉 Deployment finished 🎉✌️  \e[0m"
  step_message "-------------------------------"
  notify-send --urgency=CRITICAL "Deployment finished"
}

exec_command () {
  local command="$1"
  local error=$2

  # Execute command and redirect all output to this log file
  printf '\e[1m>> %s\e[0m\n' "${command}" 2>&1 | tee -a $LOG
  if [[ $command == *"import_dump"* ]]; then
    $command
  else
    $command 2>&1 | tee -a $LOG
  fi

  local exit_code=${PIPESTATUS[0]}

  # Log errors
  [[ $exit_code ]] &&                           # do nothing if no error code passed
    ((exit_code != 0)) && {                     # do nothing if error code is 0
      [[ $error ]] && printf '\e[41m\e[1m\n ERROR: %s\e[49m' "$error" 2>&1 | tee -a $LOG
      printf '\e[5m\e[41m\e[1m\n DEPLOYMENT FAILED \e[0m\n' 2>&1 | tee -a $LOG
      notify-send --urgency=CRITICAL "Deployment error"
      exit "$exit_code"                         # we could also check to make sure
                                                # error code is numeric when passed
    }
}

import_dump() {
  local dump="$1"
  pv ${dump} | ${DRUSH} sql-cli
}

# ================= #
# Prepare variables #
# ================= #
PROJET="project_name"
PWD=/path/to/base
DRUSH=${PWD}/${PROJET}/vendor/drush/drush/drush
DATABASE_DUMP=${PWD}/${PROJET}/$1
d=$(date +%y-%m-%d)
MONTH=$(date +%B)
YEAR=$(date +%Y)
MYBASEDIR=/var/log/${PROJET}
MYBACKUPDIR=${MYBASEDIR}/${YEAR}/${MONTH}
mkdir -p ${MYBACKUPDIR}
LOG="${MYBACKUPDIR}/deploy-$d.log"
[ -e $LOG ] && rm $LOG
touch -am $LOG

# ================================== #
# Print variables for debug purposes #
# ================================== #
info_message "-------------------------------------"
info_message "DEPLOYMENT DATE : "$(date +%Y-%m-%d-%T)
info_message "-------------------------------------"
info_message "USER=$(whoami)"
info_message "LOGS=$LOG"

# ====================== #
# Set Drupal permissions #
# ====================== #
step_message "Preparing Drupal folders and permissions..."
exec_command "cd ${PWD}/${PROJET}"
exec_command "chmod -R ug+rw ${PWD}/${PROJET}/config/sync"
exec_command "chmod -R g+w ${PWD}/${PROJET}/web/sites/default/files"
exec_command "chmod u+x ${PWD}/${PROJET}/vendor/drush/drush/drush"

# ========================== #
# Deployment script beneath. #
# ========================== #
step_message "Deployment start..."
exec_command "composer install --optimize-autoloader" "Error while installing dependencies."

# Check that database dump exists.
if [ -f "$DATABASE_DUMP" ]; then
    step_message "Database import."
    exec_command "${DRUSH} sql-drop -y" "Error while dropping the database."
    exec_command "import_dump ${DATABASE_DUMP}" "Error while importing the database : ${DATABASE_DUMP}."
    step_message "Database import finished."
fi

exec_command "${DRUSH} cache-rebuild" "First cache clear issue."
exec_command "${DRUSH} sset system.maintenance_mode 1 " "Impossible to set maintenance mode."
exec_command "${DRUSH} updb -y" "Database update hooks failed."
step_message "Database and entity updates ran and cache rebuild done."

exec_command "${DRUSH} pipeline:run-step pre-config-import -y" "Error while running pre-config-import pipelines."
exec_command "${DRUSH} cache-rebuild" "Second cache clear issue."
step_message "Pipeline ran for pre-config-import step."

exec_command "${DRUSH} cim sync -y" "Error while importing configurations."
step_message "Configuration imported from config/sync."

exec_command "${DRUSH} pipeline:run-step post-config-import -y" "Error while running post-config-import pipelines."
step_message "Pipeline ran for post-config-import step."

exec_command "${DRUSH} vdm-translation:clean -y" "Error while cleaning translations."
exec_command "${DRUSH} language-import --langcode=fr" "Error while importing translations."
step_message "Translations cleaned and synchronized."

exec_command "${DRUSH} vdm-ct:sync" "Error while synchronizing continuation token."
step_message "Continuation token data synchronized."

exec_command "${DRUSH} sset system.maintenance_mode 0" "Impossible to exit maintenance mode."
exec_command "${DRUSH} cache-rebuild" "Last cache clear issue."
step_message "Last cache rebuild done after updating and importing the config done."

exec_command "${DRUSH} vdm-account:add-test-users -y --env=local" "Error creating test user accounts."
exec_command "${DRUSH} vdm-content:import --env=local" "Error creating test contents."

end_message