gitlab-org--gitlab-foss/lib/gitlab/ci/config/normalizer.rb
Kamil Trzciński e7ee84aad4 Add support for DAG
This implements the support for `needs:` keyword
as part of GitLab CI. That makes some of the jobs
to be run out of order.
2019-08-01 14:26:49 +00:00

68 lines
1.8 KiB
Ruby

# frozen_string_literal: true
module Gitlab
module Ci
class Config
class Normalizer
include Gitlab::Utils::StrongMemoize
def initialize(jobs_config)
@jobs_config = jobs_config
end
def normalize_jobs
return @jobs_config if parallelized_jobs.empty?
expand_parallelize_jobs do |job_name, config|
if config[:dependencies]
config[:dependencies] = expand_names(config[:dependencies])
end
if config[:needs]
config[:needs] = expand_names(config[:needs])
end
config
end
end
private
def expand_names(job_names)
return unless job_names
job_names.flat_map do |job_name|
parallelized_jobs[job_name.to_sym] || job_name
end
end
def parallelized_jobs
strong_memoize(:parallelized_jobs) do
@jobs_config.each_with_object({}) do |(job_name, config), hash|
next unless config[:parallel]
hash[job_name] = self.class.parallelize_job_names(job_name, config[:parallel])
end
end
end
def expand_parallelize_jobs
@jobs_config.each_with_object({}) do |(job_name, config), hash|
if parallelized_jobs.key?(job_name)
parallelized_jobs[job_name].each_with_index do |name, index|
hash[name.to_sym] =
yield(name, config.merge(name: name, instance: index + 1))
end
else
hash[job_name] = yield(job_name, config)
end
end
end
def self.parallelize_job_names(name, total)
Array.new(total) { |index| "#{name} #{index + 1}/#{total}" }
end
end
end
end
end