diff options
Diffstat (limited to 'tooling/danger/roulette.rb')
| -rw-r--r-- | tooling/danger/roulette.rb | 169 |
1 files changed, 0 insertions, 169 deletions
diff --git a/tooling/danger/roulette.rb b/tooling/danger/roulette.rb deleted file mode 100644 index c928fb2b655..00000000000 --- a/tooling/danger/roulette.rb +++ /dev/null @@ -1,169 +0,0 @@ -# frozen_string_literal: true - -require_relative 'teammate' -require_relative 'request_helper' -require_relative 'weightage/reviewers' -require_relative 'weightage/maintainers' - -module Tooling - module Danger - module Roulette - ROULETTE_DATA_URL = 'https://gitlab-org.gitlab.io/gitlab-roulette/roulette.json' - HOURS_WHEN_PERSON_CAN_BE_PICKED = (6..14).freeze - - INCLUDE_TIMEZONE_FOR_CATEGORY = { - database: false - }.freeze - - Spin = Struct.new(:category, :reviewer, :maintainer, :optional_role, :timezone_experiment) - - def team_mr_author - team.find { |person| person.username == mr_author_username } - end - - # Assigns GitLab team members to be reviewer and maintainer - # for each change category that a Merge Request contains. - # - # @return [Array<Spin>] - def spin(project, categories, timezone_experiment: false) - spins = categories.sort.map do |category| - including_timezone = INCLUDE_TIMEZONE_FOR_CATEGORY.fetch(category, timezone_experiment) - - spin_for_category(project, category, timezone_experiment: including_timezone) - end - - backend_spin = spins.find { |spin| spin.category == :backend } - - spins.each do |spin| - including_timezone = INCLUDE_TIMEZONE_FOR_CATEGORY.fetch(spin.category, timezone_experiment) - case spin.category - when :qa - # MR includes QA changes, but also other changes, and author isn't an SET - if categories.size > 1 && !team_mr_author&.any_capability?(project, spin.category) - spin.optional_role = :maintainer - end - when :test - spin.optional_role = :maintainer - - if spin.reviewer.nil? - # Fetch an already picked backend reviewer, or pick one otherwise - spin.reviewer = backend_spin&.reviewer || spin_for_category(project, :backend, timezone_experiment: including_timezone).reviewer - end - when :engineering_productivity - if spin.maintainer.nil? - # Fetch an already picked backend maintainer, or pick one otherwise - spin.maintainer = backend_spin&.maintainer || spin_for_category(project, :backend, timezone_experiment: including_timezone).maintainer - end - when :ci_template - if spin.maintainer.nil? - # Fetch an already picked backend maintainer, or pick one otherwise - spin.maintainer = backend_spin&.maintainer || spin_for_category(project, :backend, timezone_experiment: including_timezone).maintainer - end - end - end - - spins - end - - # Looks up the current list of GitLab team members and parses it into a - # useful form - # - # @return [Array<Teammate>] - def team - @team ||= - begin - data = Tooling::Danger::RequestHelper.http_get_json(ROULETTE_DATA_URL) - data.map { |hash| ::Tooling::Danger::Teammate.new(hash) } - rescue JSON::ParserError - raise "Failed to parse JSON response from #{ROULETTE_DATA_URL}" - end - end - - # Like +team+, but only returns teammates in the current project, based on - # project_name. - # - # @return [Array<Teammate>] - def project_team(project_name) - team.select { |member| member.in_project?(project_name) } - rescue => err - warn("Reviewer roulette failed to load team data: #{err.message}") - [] - end - - # Known issue: If someone is rejected due to OOO, and then becomes not OOO, the - # selection will change on next spin - # @param [Array<Teammate>] people - def spin_for_person(people, random:, timezone_experiment: false) - shuffled_people = people.shuffle(random: random) - - if timezone_experiment - shuffled_people.find(&method(:valid_person_with_timezone?)) - else - shuffled_people.find(&method(:valid_person?)) - end - end - - private - - # @param [Teammate] person - # @return [Boolean] - def valid_person?(person) - !mr_author?(person) && person.available - end - - # @param [Teammate] person - # @return [Boolean] - def valid_person_with_timezone?(person) - valid_person?(person) && HOURS_WHEN_PERSON_CAN_BE_PICKED.cover?(person.local_hour) - end - - # @param [Teammate] person - # @return [Boolean] - def mr_author?(person) - person.username == mr_author_username - end - - def mr_author_username - helper.gitlab_helper&.mr_author || `whoami` - end - - def mr_source_branch - return `git rev-parse --abbrev-ref HEAD` unless helper.gitlab_helper&.mr_json - - helper.gitlab_helper.mr_json['source_branch'] - end - - def mr_labels - helper.gitlab_helper&.mr_labels || [] - end - - def new_random(seed) - Random.new(Digest::MD5.hexdigest(seed).to_i(16)) - end - - def spin_role_for_category(team, role, project, category) - team.select do |member| - member.public_send("#{role}?", project, category, mr_labels) # rubocop:disable GitlabSecurity/PublicSend - end - end - - def spin_for_category(project, category, timezone_experiment: false) - team = project_team(project) - reviewers, traintainers, maintainers = - %i[reviewer traintainer maintainer].map do |role| - spin_role_for_category(team, role, project, category) - end - - random = new_random(mr_source_branch) - - weighted_reviewers = Weightage::Reviewers.new(reviewers, traintainers).execute - weighted_maintainers = Weightage::Maintainers.new(maintainers).execute - - reviewer = spin_for_person(weighted_reviewers, random: random, timezone_experiment: timezone_experiment) - maintainer = spin_for_person(weighted_maintainers, random: random, timezone_experiment: timezone_experiment) - - Spin.new(category, reviewer, maintainer, false, timezone_experiment) - end - end - end -end |