process_pipeline_service.rb 1.78 KB
Newer Older
1
2
3
4
5
6
7
8
9
10
11
12
module Ci
  class ProcessPipelineService < BaseService
    attr_reader :pipeline

    def execute(pipeline)
      @pipeline = pipeline

      # This method will ensure that our pipeline does have all builds for all stages created
      if created_builds.empty?
        create_builds!
      end

13
14
15
16
17
18
19
20
21
      @pipeline.with_lock do
        new_builds =
          stage_indexes_of_created_builds.map do |index|
            process_stage(index)
          end

        # Return a flag if a when builds got enqueued
        new_builds.flatten.any?
      end
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
    end

    private

    def create_builds!
      Ci::CreatePipelineBuildsService.new(project, current_user).execute(pipeline)
    end

    def process_stage(index)
      current_status = status_for_prior_stages(index)

      created_builds_in_stage(index).select do |build|
        process_build(build, current_status)
      end
    end

    def process_build(build, current_status)
39
      return false unless HasStatus::COMPLETED_STATUSES.include?(current_status)
40
41

      if valid_statuses_for_when(build.when).include?(current_status)
42
        build.enqueue
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
        true
      else
        build.skip
        false
      end
    end

    def valid_statuses_for_when(value)
      case value
      when 'on_success'
        %w[success]
      when 'on_failure'
        %w[failed]
      when 'always'
        %w[success failed]
      else
        []
      end
    end

    def status_for_prior_stages(index)
      pipeline.builds.where('stage_idx < ?', index).latest.status || 'success'
    end

    def stage_indexes_of_created_builds
      created_builds.order(:stage_idx).pluck('distinct stage_idx')
    end

    def created_builds_in_stage(index)
      created_builds.where(stage_idx: index)
    end

    def created_builds
      pipeline.builds.created
    end
  end
end