using rsync to backup data from aws instance

backup.sh

#!/bin/bash

set -eu -o pipefail

set -xv

ssh_args='-i ./aws-jira.pem -o StrictHostKeyChecking=no -o PubkeyAuthentication=yes'
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# Stop services so our backups are integral
ssh "$ssh_args" "$ssh_host" '
  sudo service postgresql start;
  sudo sh -c "sudo -u postgres pg_dump jiradb > /var/backups/jiradb.pgdump";
  sudo service postgresql stop;
  sudo service nginx stop;
  sudo service hhvm stop;
  sudo service jira stop;
' || true

# backup the select directories
for dir in  \
  /etc/nginx/ \
  /home/ubuntu/dz2/ \
  /home/ubuntu/web/ \
  /opt/ \
  /etc/init.d/ \
  /var/atlassian/ \
  /var/lib/postgresql/ \
  /var/log/nginx/ \
  /var/log/postgresql/ \
  /var/backups/ \
; do

  mkdir -p "backup/${dir}"

  rsync -e "ssh $ssh_args" -avPHLAX --rsync-path="sudo rsync" \
    "$ssh_host":"${dir}/" backup/"${dir}/";

done