Backup Stingray Traffic Manager to a Git repository

sr-git-backup

#!/bin/bash

# Replace the following variables for your environment
# zxtm - hostname of your Stingray Traffic Manager
# zxtmuser - username used to log in to Stingray SSH interface
# git_path - path to the git repo you want to store the config backups in
#
# I recommend that zxtmuser is able to log in to the Traffic Manager
# without using a password, using SSH keys.
#
# The script expectes that you have already created a git repository with
# a remote configured, as it does a git push at the end. You may want to
# change that behaviour if it doesn't suit you

zxtm=sr-live1
zxtmuser=zxtmuser
git_path="/backups/stingray/${zxtm}"

mkdir -p "$git_path"
if [ ! -d "${git_path}/.git" ]; then
  git init "${git_path}"
fi

tmp_dl_path=`mktemp -d -t sr-git-backup-XXXXX`
tmp_file=automated.tar
tmp_dl="${tmp_dl_path}/${tmp_file}"
tmp_compare_path=`mktemp -d -t sr-git-compare-XXXXX`

echo "Creating backup on ${zxtm}"
ssh -x "${zxtmuser}@${zxtm}" /opt/zeus/zxtm/bin/zcli << EOF
System.Backups.createBackup "automated", "Automated Backup"
System.Backups.downloadBackup "automated", "${tmp_file}"
EOF

echo "Downloading backup from ${zxtm} to ${tmp_dl}"
scp -q ${zxtmuser}@${zxtm}:${tmp_file} ${tmp_dl_path}

echo "Removing backup from ${zxtm}"
ssh -x "${zxtmuser}@${zxtm}" /opt/zeus/zxtm/bin/zcli << EOF
System.Backups.deleteBackups "automated"
EOF
ssh "${zxtmuser}@${zxtm}" rm automated.tar

echo "Extracting backup to ${tmp_compare_path}"
pushd "${tmp_compare_path}" >& /dev/null
tar xf "${tmp_dl}"
popd >& /dev/null
rm -f "${tmp_dl}"
rmdir "${tmp_dl_path}"

echo "Comparing backup against previous"
diff -ur "${git_path}/conf" "${tmp_compare_path}/conf"

if [ ! $? -eq 0 ]; then
  echo "Backup differs from previous, updating... "
  pushd "${git_path}" >& /dev/null
  git rm -r .
  cp -a "${tmp_compare_path}/conf" "${git_path}/"
  git add -A
  git commit -m 'Configuration Updated'
  git push
  popd >& /dev/null
  echo "Committed"
  exitcode=1
else
  echo "Backup matches, finished"
  exitcode=0
fi

rm -rf "${tmp_compare_path}"
exit $exitcode

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