solr.install


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print_core_message() {
  cat <<EOT
Start the solr service first!
  $ sudo systemctl restart solr

Then, create new Solr core(s) from the command line:
  $ sudo -u solr -s /bin/bash
  $ cd
  $ bin/solr create_core -c new_core
EOT
}

# args: <group> [options]
_addgroup() {
  if ! getent group "$1" >/dev/null && groupadd "$@" >/dev/null; then
    need_group_update=1
  fi
}

# args: <group> [options]
_adduser() {
  if ! getent passwd "$1" >/dev/null && useradd "$@" >/dev/null; then
    need_passwd_update=1
  fi
}

install_solr_user() {
  _addgroup solr -g 114
  _adduser solr -c 'Apache Solr user' -u 114 -g solr -d '/opt/solr' -s /bin/bash

  # update shadow files if needed
  if (( need_group_update )); then
    grpconv >/dev/null
  fi

  if (( need_passwd_update )); then
    pwconv >/dev/null
  fi
}

post_install() {
  print_core_message
  install_solr_user
}

post_upgrade() {
  post_install $1
}