410 lines
14 KiB
Ruby
410 lines
14 KiB
Ruby
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require_relative 'error'
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module Github
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class Import
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include Gitlab::ShellAdapter
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class MergeRequest < ::MergeRequest
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self.table_name = 'merge_requests'
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self.reset_callbacks :save
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self.reset_callbacks :commit
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self.reset_callbacks :update
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self.reset_callbacks :validate
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end
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class Issue < ::Issue
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self.table_name = 'issues'
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self.reset_callbacks :save
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self.reset_callbacks :commit
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self.reset_callbacks :update
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self.reset_callbacks :validate
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end
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class Note < ::Note
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self.table_name = 'notes'
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self.reset_callbacks :save
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self.reset_callbacks :commit
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self.reset_callbacks :update
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self.reset_callbacks :validate
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end
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class LegacyDiffNote < ::LegacyDiffNote
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self.table_name = 'notes'
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self.reset_callbacks :commit
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self.reset_callbacks :update
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self.reset_callbacks :validate
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end
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attr_reader :project, :repository, :repo, :options, :errors, :cached, :verbose
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def initialize(project, options)
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@project = project
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@repository = project.repository
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@repo = project.import_source
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@options = options
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@verbose = options.fetch(:verbose, false)
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@cached = Hash.new { |hash, key| hash[key] = Hash.new }
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@errors = []
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end
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# rubocop: disable Rails/Output
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def execute
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puts 'Fetching repository...'.color(:aqua) if verbose
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fetch_repository
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puts 'Fetching labels...'.color(:aqua) if verbose
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fetch_labels
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puts 'Fetching milestones...'.color(:aqua) if verbose
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fetch_milestones
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puts 'Fetching pull requests...'.color(:aqua) if verbose
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fetch_pull_requests
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puts 'Fetching issues...'.color(:aqua) if verbose
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fetch_issues
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puts 'Cloning wiki repository...'.color(:aqua) if verbose
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fetch_wiki_repository
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puts 'Expiring repository cache...'.color(:aqua) if verbose
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expire_repository_cache
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true
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rescue Github::RepositoryFetchError
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false
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ensure
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keep_track_of_errors
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end
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private
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def fetch_repository
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begin
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project.create_repository unless project.repository.exists?
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project.repository.add_remote('github', "https://{options.fetch(:token)}@github.com/#{repo}.git")
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project.repository.set_remote_as_mirror('github')
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project.repository.fetch_remote('github', forced: true)
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rescue Gitlab::Shell::Error => e
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error(:project, "https://github.com/#{repo}.git", e.message)
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raise Github::RepositoryFetchError
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end
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end
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def fetch_wiki_repository
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wiki_url = "https://{options.fetch(:token)}@github.com/#{repo}.wiki.git"
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wiki_path = "#{project.path_with_namespace}.wiki"
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unless project.wiki.repository_exists?
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gitlab_shell.import_repository(project.repository_storage_path, wiki_path, wiki_url)
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end
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rescue Gitlab::Shell::Error => e
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# GitHub error message when the wiki repo has not been created,
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# this means that repo has wiki enabled, but have no pages. So,
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# we can skip the import.
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if e.message !~ /repository not exported/
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errors(:wiki, wiki_url, e.message)
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end
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end
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def fetch_labels
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url = "/repos/#{repo}/labels"
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while url
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response = Github::Client.new(options).get(url)
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response.body.each do |raw|
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begin
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representation = Github::Representation::Label.new(raw)
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label = project.labels.find_or_create_by!(title: representation.title) do |label|
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label.color = representation.color
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end
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cached[:label_ids][label.title] = label.id
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rescue => e
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error(:label, representation.url, e.message)
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end
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end
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url = response.rels[:next]
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end
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end
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def fetch_milestones
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url = "/repos/#{repo}/milestones"
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while url
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response = Github::Client.new(options).get(url, state: :all)
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response.body.each do |raw|
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begin
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milestone = Github::Representation::Milestone.new(raw)
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next if project.milestones.where(iid: milestone.iid).exists?
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project.milestones.create!(
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iid: milestone.iid,
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title: milestone.title,
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description: milestone.description,
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due_date: milestone.due_date,
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state: milestone.state,
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created_at: milestone.created_at,
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updated_at: milestone.updated_at
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)
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rescue => e
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error(:milestone, milestone.url, e.message)
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end
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end
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url = response.rels[:next]
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end
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end
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def fetch_pull_requests
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url = "/repos/#{repo}/pulls"
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while url
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response = Github::Client.new(options).get(url, state: :all, sort: :created, direction: :asc)
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response.body.each do |raw|
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pull_request = Github::Representation::PullRequest.new(raw, options.merge(project: project))
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merge_request = MergeRequest.find_or_initialize_by(iid: pull_request.iid, source_project_id: project.id)
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next unless merge_request.new_record? && pull_request.valid?
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begin
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restore_branches(pull_request)
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author_id = user_id(pull_request.author, project.creator_id)
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description = format_description(pull_request.description, pull_request.author)
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merge_request.attributes = {
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iid: pull_request.iid,
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title: pull_request.title,
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description: description,
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source_project: pull_request.source_project,
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source_branch: pull_request.source_branch_name,
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source_branch_sha: pull_request.source_branch_sha,
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target_project: pull_request.target_project,
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target_branch: pull_request.target_branch_name,
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target_branch_sha: pull_request.target_branch_sha,
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state: pull_request.state,
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milestone_id: milestone_id(pull_request.milestone),
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author_id: author_id,
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assignee_id: user_id(pull_request.assignee),
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created_at: pull_request.created_at,
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updated_at: pull_request.updated_at
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}
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merge_request.save!(validate: false)
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merge_request.merge_request_diffs.create
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# Fetch review comments
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review_comments_url = "/repos/#{repo}/pulls/#{pull_request.iid}/comments"
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fetch_comments(merge_request, :review_comment, review_comments_url, LegacyDiffNote)
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# Fetch comments
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comments_url = "/repos/#{repo}/issues/#{pull_request.iid}/comments"
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fetch_comments(merge_request, :comment, comments_url)
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rescue => e
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error(:pull_request, pull_request.url, e.message)
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ensure
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clean_up_restored_branches(pull_request)
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end
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end
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url = response.rels[:next]
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end
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end
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def fetch_issues
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url = "/repos/#{repo}/issues"
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while url
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response = Github::Client.new(options).get(url, state: :all, sort: :created, direction: :asc)
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response.body.each do |raw|
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representation = Github::Representation::Issue.new(raw, options)
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begin
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# Every pull request is an issue, but not every issue
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# is a pull request. For this reason, "shared" actions
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# for both features, like manipulating assignees, labels
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# and milestones, are provided within the Issues API.
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if representation.pull_request?
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next unless representation.has_labels?
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merge_request = MergeRequest.find_by!(target_project_id: project.id, iid: representation.iid)
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merge_request.update_attribute(:label_ids, label_ids(representation.labels))
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else
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next if Issue.where(iid: representation.iid, project_id: project.id).exists?
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author_id = user_id(representation.author, project.creator_id)
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issue = Issue.new
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issue.iid = representation.iid
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issue.project_id = project.id
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issue.title = representation.title
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issue.description = format_description(representation.description, representation.author)
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issue.state = representation.state
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issue.label_ids = label_ids(representation.labels)
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issue.milestone_id = milestone_id(representation.milestone)
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issue.author_id = author_id
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issue.assignee_ids = [user_id(representation.assignee)]
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issue.created_at = representation.created_at
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issue.updated_at = representation.updated_at
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issue.save!(validate: false)
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# Fetch comments
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if representation.has_comments?
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comments_url = "/repos/#{repo}/issues/#{issue.iid}/comments"
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fetch_comments(issue, :comment, comments_url)
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end
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end
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rescue => e
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error(:issue, representation.url, e.message)
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end
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end
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url = response.rels[:next]
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end
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end
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def fetch_comments(noteable, type, url, klass = Note)
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while url
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comments = Github::Client.new(options).get(url)
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ActiveRecord::Base.no_touching do
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comments.body.each do |raw|
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begin
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representation = Github::Representation::Comment.new(raw, options)
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author_id = user_id(representation.author, project.creator_id)
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note = klass.new
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note.project_id = project.id
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note.noteable = noteable
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note.note = format_description(representation.note, representation.author)
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note.commit_id = representation.commit_id
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note.line_code = representation.line_code
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note.author_id = author_id
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note.created_at = representation.created_at
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note.updated_at = representation.updated_at
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note.save!(validate: false)
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rescue => e
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error(type, representation.url, e.message)
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end
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end
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end
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url = comments.rels[:next]
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end
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end
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def fetch_releases
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url = "/repos/#{repo}/releases"
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while url
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response = Github::Client.new(options).get(url)
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response.body.each do |raw|
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representation = Github::Representation::Release.new(raw)
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next unless representation.valid?
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release = ::Release.find_or_initialize_by(project_id: project.id, tag: representation.tag)
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next unless relese.new_record?
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begin
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release.description = representation.description
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release.created_at = representation.created_at
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release.updated_at = representation.updated_at
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release.save!(validate: false)
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rescue => e
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error(:release, representation.url, e.message)
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end
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end
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url = response.rels[:next]
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end
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end
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def restore_branches(pull_request)
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restore_source_branch(pull_request) unless pull_request.source_branch_exists?
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restore_target_branch(pull_request) unless pull_request.target_branch_exists?
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end
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def restore_source_branch(pull_request)
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repository.create_branch(pull_request.source_branch_name, pull_request.source_branch_sha)
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end
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def restore_target_branch(pull_request)
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repository.create_branch(pull_request.target_branch_name, pull_request.target_branch_sha)
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end
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def remove_branch(name)
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repository.delete_branch(name)
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rescue Rugged::ReferenceError
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errors << { type: :branch, url: nil, error: "Could not clean up restored branch: #{name}" }
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end
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def clean_up_restored_branches(pull_request)
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return if pull_request.opened?
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remove_branch(pull_request.source_branch_name) unless pull_request.source_branch_exists?
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remove_branch(pull_request.target_branch_name) unless pull_request.target_branch_exists?
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end
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def label_ids(labels)
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labels.map { |attrs| cached[:label_ids][attrs.fetch('name')] }.compact
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end
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def milestone_id(milestone)
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return unless milestone.present?
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project.milestones.select(:id).find_by(iid: milestone.iid)&.id
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end
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def user_id(user, fallback_id = nil)
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return unless user.present?
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return cached[:user_ids][user.id] if cached[:user_ids].key?(user.id)
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gitlab_user_id = user_id_by_external_uid(user.id) || user_id_by_email(user.email)
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cached[:gitlab_user_ids][user.id] = gitlab_user_id.present?
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cached[:user_ids][user.id] = gitlab_user_id || fallback_id
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end
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def user_id_by_email(email)
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return nil unless email
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::User.find_by_any_email(email)&.id
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end
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def user_id_by_external_uid(id)
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return nil unless id
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::User.select(:id)
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.joins(:identities)
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.merge(::Identity.where(provider: :github, extern_uid: id))
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.first&.id
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end
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|
|
||
|
|
def format_description(body, author)
|
||
|
|
return body if cached[:gitlab_user_ids][author.id]
|
||
|
|
|
||
|
|
"*Created by: #{author.username}*\n\n#{body}"
|
||
|
|
end
|
||
|
|
|
||
|
|
def expire_repository_cache
|
||
|
|
repository.expire_content_cache
|
||
|
|
end
|
||
|
|
|
||
|
|
def keep_track_of_errors
|
||
|
|
return unless errors.any?
|
||
|
|
|
||
|
|
project.update_column(:import_error, {
|
||
|
|
message: 'The remote data could not be fully imported.',
|
||
|
|
errors: errors
|
||
|
|
}.to_json)
|
||
|
|
end
|
||
|
|
|
||
|
|
def error(type, url, message)
|
||
|
|
errors << { type: type, url: Gitlab::UrlSanitizer.sanitize(url), error: message }
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|