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#!/usr/bin/env ruby
# frozen_string_literal: true
require 'optparse'
require 'time'
require 'fileutils'
require 'uri'
require 'cgi'
require 'net/http'
require 'json'
require_relative 'api/default_options'
# Request list of pipelines for MR
# https://gitlab.com/api/v4/projects/gitlab-org%2Fgitlab/merge_requests/69053/pipelines
# Find latest failed pipeline
# Retrieve list of failed builds for test stage in pipeline
# https://gitlab.com/api/v4/projects/gitlab-org%2Fgitlab/pipelines/363788864/jobs/?scope=failed
# Retrieve test reports for these builds
# https://gitlab.com/gitlab-org/gitlab/-/pipelines/363788864/tests/suite.json?build_ids[]=1555608749
# Push into expected format for failed tests
class PipelineTestReportBuilder
def initialize(options)
@project = options.delete(:project)
@mr_id = options.delete(:mr_id) || Host::DEFAULT_OPTIONS[:mr_id]
@instance_base_url = options.delete(:instance_base_url) || Host::DEFAULT_OPTIONS[:instance_base_url]
@output_file_path = options.delete(:output_file_path)
end
def test_report_for_latest_pipeline
build_test_report_json_for_pipeline(previous_pipeline)
end
def execute
if output_file_path
FileUtils.mkdir_p(File.dirname(output_file_path))
end
File.open(output_file_path, 'w') do |file|
file.write(test_report_for_latest_pipeline)
end
end
private
attr_reader :project, :mr_id, :instance_base_url, :output_file_path
def project_api_base_url
"#{instance_base_url}/api/v4/projects/#{CGI.escape(project)}"
end
def project_base_url
"#{instance_base_url}/#{project}"
end
def previous_pipeline
# Top of the list will always be the current pipeline
# Second from top will be the previous pipeline
pipelines_for_mr.sort_by { |a| -Time.parse(a['created_at']).to_i }[1]
end
def pipelines_for_mr
fetch("#{project_api_base_url}/merge_requests/#{mr_id}/pipelines")
end
def failed_builds_for_pipeline(pipeline_id)
fetch("#{project_api_base_url}/pipelines/#{pipeline_id}/jobs?scope=failed&per_page=100")
end
# Method uses the test suite endpoint to gather test results for a particular build.
# Here we request individual builds, even though it is possible to supply multiple build IDs.
# The reason for this; it is possible to lose the job context and name when requesting multiple builds.
# Please see for more info: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/69053#note_709939709
def test_report_for_build(pipeline_id, build_id)
fetch("#{project_base_url}/-/pipelines/#{pipeline_id}/tests/suite.json?build_ids[]=#{build_id}")
end
def build_test_report_json_for_pipeline(pipeline)
# empty file if no previous failed pipeline
return {}.to_json if pipeline.nil? || pipeline['status'] != 'failed'
test_report = {}
puts "Discovered last failed pipeline (#{pipeline['id']}) for MR!#{mr_id}"
failed_builds_for_test_stage = failed_builds_for_pipeline(pipeline['id']).select do |failed_build|
failed_build['stage'] == 'test'
end
puts "#{failed_builds_for_test_stage.length} failed builds in test stage found..."
if failed_builds_for_test_stage.any?
test_report['suites'] ||= []
failed_builds_for_test_stage.each do |failed_build|
test_report['suites'] << test_report_for_build(pipeline['id'], failed_build['id'])
end
end
test_report.to_json
end
def fetch(uri_str)
uri = URI(uri_str)
puts "URL: #{uri}"
request = Net::HTTP::Get.new(uri)
body = ''
Net::HTTP.start(uri.host, uri.port, use_ssl: true) do |http|
http.request(request) do |response|
case response
when Net::HTTPSuccess
body = response.read_body
else
raise "Unexpected response: #{response.value}"
end
end
end
JSON.parse(body)
end
end
if $0 == __FILE__
options = Host::DEFAULT_OPTIONS.dup
OptionParser.new do |opts|
opts.on("-p", "--project PROJECT", String, "Project where to find the merge request(defaults to $CI_PROJECT_ID)") do |value|
options[:project] = value
end
opts.on("-m", "--mr-id MR_ID", String, "A merge request ID") do |value|
options[:mr_id] = value
end
opts.on("-i", "--instance-base-url INSTANCE_BASE_URL", String, "URL of the instance where project and merge request resides") do |value|
options[:instance_base_url] = value
end
opts.on("-o", "--output-file-path OUTPUT_PATH", String, "A path for output file") do |value|
options[:output_file_path] = value
end
opts.on("-h", "--help", "Prints this help") do
puts opts
exit
end
end.parse!
PipelineTestReportBuilder.new(options).execute
end
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