entrypoint.sh

#!/bin/bash

warn () {
  text=$1
  echo -e "\e[1;33m $text \e[0m"
}

fail () {
  text=$1
  echo -e "\e[1;31m $text \e[0m"
  exit 1
}

success () {
  text=$1
  echo -e "\e[1;32m $text \e[0m"
}

info () {
  text=$1
  echo -e "\e[1;34m $text \e[0m"
}

debug () {
  text=$1
  echo -e "\e[1;40m $text \e[0m"
}

set_auth() {
  local s3cnf="$HOME/.s3cfg"

  if [ -e "$s3cnf" ]; then
    warn '.s3cfg file already exists in home directory and will be overwritten'
  fi

  echo '[default]' > "$s3cnf"
  echo "access_key=$ACCESS_KEY" >> "$s3cnf"
  echo "secret_key=$SECRET_KEY" >> "$s3cnf"

  if [ -n "$ENDPOINT" ]; then
    echo "host_base=$ENDPOINT" >> "$s3cnf"
    echo "host_bucket=%(bucket)s.$ENDPOINT" >> "$s3cnf"
  fi

  echo "use_https=True" >> "$s3cnf"

  echo "Generated .s3cfg for key $ACCESS_KEY"
}

main() {
  set_auth

  info 'Starting S3 Synchronisation'

  info 'Check s3cmd version'
  info $(s3cmd --version)

  if [ -z "$ACCESS_KEY" ]; then
    fail 'ACCESS_KEY is not set. Quitting.'
  fi

  if [ -z "$SECRET_KEY" ]; then
    fail 'AWS_SECRET_ACCESS_KEY is not set. Quitting.'
  fi

  if [ -z "$BUCKET" ]; then
    fail 'BUCKET is not set. Quitting.'
  fi

  if [ -z "$SOURCES" ]; then
    fail 'SOURCES is not set. Quitting.'
  fi

  if [ -z "$OPTIONS" ]; then
    OPTIONS=""
  fi

  RESULT=$(s3cmd put $SOURCES s3://$BUCKET/$TARGET/ $OPTIONS)

  echo $RESULT;

  warn 'Removing .s3cfg credentials'
  rm "$HOME/.s3cfg"
}

main