class Loom::Pattern::Reference

See Loom::Pattern::Pattern for the difference between refs and patterns.

Attributes

desc[R]
pattern[R]
slug[R]
source_file[R]

Public Class Methods

new(slug, pattern, source_file, definition_ctx) click to toggle source
# File lib/loom/pattern/reference.rb, line 7
def initialize(slug, pattern, source_file, definition_ctx)
  @slug = slug
  @source_file = source_file
  @definition_ctx = definition_ctx
  @desc = pattern.description
  @pattern = pattern
end

Public Instance Methods

call(shell_api, host_fact_set) click to toggle source
# File lib/loom/pattern/reference.rb, line 21
def call(shell_api, host_fact_set)
  run_context = RunContext.new @pattern, @definition_ctx

  fact_set = @definition_ctx.fact_set host_fact_set
  Loom.log.debug5(self) {
    "fact set for pattern execution => #{fact_set.facts}" }

  # TODO: wrap up this fact_set in a delegator/facade/proxy to eliminate the
  # .loom file from directly accessing it. Add logging and deprecation
  # warnings there.... like FactSet+hostname+ currently.
  @definition_ctx.define_let_readers run_context, fact_set

  begin
    run_context.run shell_api, fact_set
  rescue => e
    error_msg = "error executing '#{slug}' in #{source_file} =>\n\t#{e}\n%s"
    Loom.log.error(error_msg % e.backtrace.join("\n\t"))
    raise
  end
end
expand_slugs() click to toggle source

Used by Loom::Pattern::Loader to expand weaves. A Pattern::Reference it just expands to itself.

# File lib/loom/pattern/reference.rb, line 17
def expand_slugs
  @slug
end