Installs generated Debian package to remote system

deploy-deb.sh

#!/bin/bash
#
# Install generated Debian package to remote system
#
# Uploads packages directly to the target servers ignoring
# any repositories and installs them using `dpkg -i`.
#
# Restarts System V / Systemd services after successful installation.
#

set -e


if [[ ! -e debian/files ]]; then
  >&2 echo "File debian/files does not exist. Build Debian package before deployment."
  exit 1
fi

PACKAGES=( $(cut -d ' '  -f 1 debian/files) )
SERVICES=($(ls debian/*.service | sed 's~debian/\(.*\)\.service~\1~'))

if [[ $# -eq 0 ]] ; then
  >&2 echo "Usage: $0 SERVER..."
  >&2 echo
  >&2 echo Packages: ${PACKAGES[@]}
  >&2 echo Services: ${SERVICES[@]}
  exit 2
fi


while [[ $# -gt 0 ]]; do
  SERVER="$1"
  echo "Server: ${SERVER}"
  echo

  (
      echo "Uploading packages..."
      scp ${PACKAGES[@]/#/../} "root@${SERVER}:/tmp/"
      echo "Uploaded packages."
      echo
  )

  (
      echo "Installing packages..."
      ssh "root@${SERVER}" "cd /tmp/; dpkg -i ${PACKAGES[@]}"
      echo "Installed packages."
      echo
  )
  (

      for SERVICE in ${SERVICES[@]}
      do
        echo "Restarting service ${SERVICE}..."
        ssh "root@${SERVER}" "service '${SERVICE}' restart"
        echo "Restarted service ${SERVICE}."
        echo
      done

  )

  echo "Server ${SERVER} done."
  echo

  shift
done