Class: Kennel::Importer

Inherits:
Object
  • Object
show all
Defined in:
lib/kennel/importer.rb

Constant Summary collapse

SORT_ORDER =

bring important fields to the top

[
  *Kennel::Models::Record::TITLE_FIELDS, :id, :kennel_id, :type, :tags, :query, :sli_specification,
  *Models::Record.subclasses.flat_map { |k| k::TRACKING_FIELDS },
  :template_variables
].freeze

Instance Method Summary collapse

Constructor Details

#initialize(api) ⇒ Importer

Returns a new instance of Importer.



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# File 'lib/kennel/importer.rb', line 12

def initialize(api)
  @api = api
end

Instance Method Details

#import(resource, id) ⇒ Object 



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# File 'lib/kennel/importer.rb', line 16

def import(resource, id)
  model =
    Kennel::Models::Record.subclasses.detect { |c| c.api_resource == resource } ||
    raise(ArgumentError, "#{resource} is not supported")

  data = @api.show(model.api_resource, id)

  id = data.fetch(:id) # keep native value
  model.normalize({}, data) # removes id
  data[:id] = id

  # title will have the lock symbol we need to remove when re-importing
  title_field = Kennel::Models::Record::TITLE_FIELDS.detect { |f| data[f] }
  title = data.fetch(title_field)
  title.tr!(Kennel::Models::Record::LOCK, "")

  # calculate or reuse kennel_id
  data[:kennel_id] =
    if (tracking_id = model.parse_tracking_id(data))
      model.remove_tracking_id(data)
      tracking_id.split(":").last
    else
      Kennel::StringUtils.parameterize(title)
    end

  case resource
  when "monitor"
    raise "Import the synthetic test page and not the monitor" if data[:type] == "synthetics alert"

    # flatten monitor options so they are all on the base which is how Monitor builds them
    data.merge!(data.delete(:options))
    data.merge!(data.delete(:thresholds) || {})

    # clean up values that are the default
    if !!data[:notify_no_data] == !Models::Monitor::SKIP_NOTIFY_NO_DATA_TYPES.include?(data[:type])
      data.delete(:notify_no_data)
    end
    data.delete(:notify_audit) unless data[:notify_audit] # Monitor uses false by default

    # keep all values that are settable
    data = data.slice(*model.instance_methods)

    # make query use critical method if it matches
    critical = data[:critical]
    query = data[:query]
    if query && critical
      query.sub!(/([><=]) (#{Regexp.escape(critical.to_f.to_s)}|#{Regexp.escape(critical.to_i.to_s)})$/, "\\1 \#{critical}")
    end

    # using float in query is not allowed, so convert here
    data[:critical] = data[:critical].to_i if data[:type] == "event alert"

    data[:type] = "query alert" if data[:type] == "metric alert"

    link_composite_monitors(data)
  when "dashboard"
    widgets = data[:widgets]&.flat_map { |widget| widget.dig(:definition, :widgets) || [widget] }
    widgets&.each do |widget|
      convert_widget_to_compact_format!(widget)
      dry_up_widget_metadata!(widget)
      (widget.dig(:definition, :markers) || []).each { |m| m[:label]&.delete! " " }
    end
  when "synthetics/tests"
    data[:locations] = :all if data[:locations].sort == Kennel::Models::SyntheticTest::LOCATIONS.sort
  else
    # noop
  end

  data.delete(:tags) if data[:tags] == [] # do not create super + [] call

  # simplify template_variables to array of string when possible
  if (vars = data[:template_variables])
    vars.map! { |v| v[:default] == "*" && v[:prefix] == v[:name] ? v[:name] : v }
  end

  pretty = pretty_print(data).lstrip.gsub("\\#", "#")
  <<~RUBY
    #{model.name}.new(
      self,
      #{pretty}
    )
  RUBY
end