waffles/resources/dpkg_debconf.sh at master · wffls/waffles · GitHub

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# == Name
#
# dpkg.debconf
#
# === Description
#
# Manages debconf entries
#
# === Parameters
#
# * state: The state of the resource. Required. Default: present.
# * package: The package to configure. Required.
# * question: The debconf question. Required.
# * vtype: The vtype of the debconf setting. Required.
# * value: The answer/setting. Required.
#
# === Example
#
# ```bash
# dpkg.debconf --package mysql-server --question mysql-server/root_password
#              --vtype password --value mypassword
# ```
#
dpkg.debconf() {
  # Declare the resource
  waffles_resource="dpkg.debconf"

  # Check if all dependencies are installed
  local _wrd=("debconf-set-selections" "debconf-communicate")
  if ! waffles.resource.check_dependencies "${_wrd[@]}" ; then
    return 2
  fi

  # Resource Options
  local -A options
  waffles.options.create_option state    "present"
  waffles.options.create_option package  "__required__"
  waffles.options.create_option question "__required__"
  waffles.options.create_option vtype    "__required__"
  waffles.options.create_option value    "__required__"
  waffles.options.create_option unseen
  waffles.options.parse_options "$@"
  if [[ $? != 0 ]]; then
    return $?
  fi


  # Local Variables
  local _value=""
  local _name=""
  local _unseen=""

  # Internal Resource Configuration
  if [[ -n ${options[unseen]} ]]; then
    _unseen="-u"
  else
    _unseen=""
  fi

  _name="${options[package]}/${options[question]}/${options[vtype]}"

  # Process the resource
  waffles.resource.process $waffles_resource "$_name"
}

dpkg.debconf.read() {
  local _result=""
  local _trimmed=""
  _result=$(echo get ${options[question]} | debconf-communicate ${options[package]} 2>/dev/null) || true
  _trimmed=$(string.trim "$_result")
  if [[ $_trimmed =~ ^10 ]]; then
    waffles_resource_current_state="absent"
  elif [[ $_trimmed == "0" ]]; then
    waffles_resource_current_state="absent"
  elif [[ $_trimmed == "0 ${options[value]}" ]]; then
    waffles_resource_current_state="present"
  else
    waffles_resource_current_state="update"
  fi
}

dpkg.debconf.create() {
  local _script=""
  _script="echo ${options[package]} ${options[question]} ${options[vtype]} \"${options[value]}\" | debconf-set-selections"
  exec.capture_error "$_script"
}

dpkg.debconf.update() {
  dpkg.debconf.delete
  dpkg.debconf.create
}

dpkg.debconf.delete() {
  local _script=""
  _script="echo RESET ${options[question]} | debconf-communicate ${options[package]}"
  exec.capture_error "$_script"
}