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authorAhmad Sherif <me@ahmadsherif.com>2016-10-19 20:42:31 +0200
committerAhmad Sherif <me@ahmadsherif.com>2016-10-28 11:30:20 +0200
commit14fbd25d06248ee268434278e0fe31fec262d23b (patch)
treecba7f969358aa7a6aa8277b492bfd9212b59dfe6
parent6e590af1484c4b98414e0128b58e94342d57b07e (diff)
downloadgitlab-ce-14fbd25d06248ee268434278e0fe31fec262d23b.tar.gz
Modify GitHub importer to be retryable
-rw-r--r--CHANGELOG.md1
-rw-r--r--lib/gitlab/github_import/base_formatter.rb4
-rw-r--r--lib/gitlab/github_import/importer.rb115
-rw-r--r--lib/gitlab/github_import/issue_formatter.rb8
-rw-r--r--lib/gitlab/github_import/label_formatter.rb4
-rw-r--r--lib/gitlab/github_import/milestone_formatter.rb8
-rw-r--r--lib/gitlab/github_import/pull_request_formatter.rb8
-rw-r--r--lib/gitlab/github_import/release_formatter.rb8
-rw-r--r--spec/lib/gitlab/github_import/importer_spec.rb7
9 files changed, 136 insertions, 27 deletions
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 56d9d4e2809..ba35d57afb6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -29,6 +29,7 @@ Please view this file on the master branch, on stable branches it's out of date.
- Fix documents and comments on Build API `scope`
- Fix applying labels for GitHub-imported MRs
- Fix importing MR comments from GitHub
+ - Modify GitHub importer to be retryable
- Refactor email, use setter method instead AR callbacks for email attribute (Semyon Pupkov)
- Shortened merge request modal to let clipboard button not overlap
diff --git a/lib/gitlab/github_import/base_formatter.rb b/lib/gitlab/github_import/base_formatter.rb
index 8cacf4f4925..d07bb43044b 100644
--- a/lib/gitlab/github_import/base_formatter.rb
+++ b/lib/gitlab/github_import/base_formatter.rb
@@ -10,7 +10,9 @@ module Gitlab
end
def create!
- self.klass.create!(self.attributes)
+ project.send(project_association).find_or_create_by!(find_condition) do |record|
+ record.attributes = attributes
+ end
end
private
diff --git a/lib/gitlab/github_import/importer.rb b/lib/gitlab/github_import/importer.rb
index 27946dff608..7e13f731002 100644
--- a/lib/gitlab/github_import/importer.rb
+++ b/lib/gitlab/github_import/importer.rb
@@ -20,13 +20,13 @@ module Gitlab
end
def execute
- import_labels
- import_milestones
- import_issues
- import_pull_requests
+ import_labels unless imported?(:labels)
+ import_milestones unless imported?(:milestones)
+ import_issues unless imported?(:issues)
+ import_pull_requests unless imported?(:pull_requests)
import_comments
import_wiki
- import_releases
+ import_releases unless imported?(:releases)
handle_errors
true
@@ -48,7 +48,7 @@ module Gitlab
end
def import_labels
- client.labels(repo, per_page: 100) do |labels|
+ client.labels(repo, page: current_page(:labels), per_page: 100) do |labels|
labels.each do |raw|
begin
label = LabelFormatter.new(project, raw).create!
@@ -57,11 +57,15 @@ module Gitlab
errors << { type: :label, url: Gitlab::UrlSanitizer.sanitize(raw.url), errors: e.message }
end
end
+
+ increment_page(:labels)
end
+
+ imported!(:labels)
end
def import_milestones
- client.milestones(repo, state: :all, per_page: 100) do |milestones|
+ client.milestones(repo, state: :all, page: current_page(:milestones), per_page: 100) do |milestones|
milestones.each do |raw|
begin
MilestoneFormatter.new(project, raw).create!
@@ -69,11 +73,15 @@ module Gitlab
errors << { type: :milestone, url: Gitlab::UrlSanitizer.sanitize(raw.url), errors: e.message }
end
end
+
+ increment_page(:milestones)
end
+
+ imported!(:milestones)
end
def import_issues
- client.issues(repo, state: :all, sort: :created, direction: :asc, per_page: 100) do |issues|
+ client.issues(repo, state: :all, sort: :created, direction: :asc, page: current_page(:issues), per_page: 100) do |issues|
issues.each do |raw|
gh_issue = IssueFormatter.new(project, raw)
@@ -86,11 +94,15 @@ module Gitlab
end
end
end
+
+ increment_page(:issues)
end
+
+ imported!(:issues)
end
def import_pull_requests
- client.pull_requests(repo, state: :all, sort: :created, direction: :asc, per_page: 100) do |pull_requests|
+ client.pull_requests(repo, state: :all, sort: :created, direction: :asc, page: current_page(:pull_requests), per_page: 100) do |pull_requests|
pull_requests.each do |raw|
pull_request = PullRequestFormatter.new(project, raw)
next unless pull_request.valid?
@@ -107,9 +119,13 @@ module Gitlab
clean_up_restored_branches(pull_request)
end
end
+
+ increment_page(:pull_requests)
end
project.repository.after_remove_branch
+
+ imported!(:pull_requests)
end
def restore_source_branch(pull_request)
@@ -149,13 +165,34 @@ module Gitlab
end
def import_comments
- client.issues_comments(repo, per_page: 100) do |comments|
+ # We don't have a distinctive attribute for comments (unlike issues iid), so we fetch the last inserted note,
+ # compare it against every comment in the current imported page until we find match, and that's where start importing
+ last_note = Note.where(noteable_type: 'Issue').last
+
+ client.issues_comments(repo, page: current_page(:issue_comments), per_page: 100) do |comments|
+ if last_note
+ discard_inserted_comments(comments, last_note)
+ last_note = nil
+ end
+
create_comments(comments)
- end
+ increment_page(:issue_comments)
+ end unless imported?(:issue_comments)
+
+ imported!(:issue_comments)
+
+ last_note = Note.where(noteable_type: 'MergeRequest').last
+ client.pull_requests_comments(repo, page: current_page(:pull_request_comments), per_page: 100) do |comments|
+ if last_note
+ discard_inserted_comments(comments, last_note)
+ last_note = nil
+ end
- client.pull_requests_comments(repo, per_page: 100) do |comments|
create_comments(comments)
- end
+ increment_page(:pull_request_comments)
+ end unless imported?(:pull_request_comments)
+
+ imported!(:pull_request_comments)
end
def create_comments(comments)
@@ -177,6 +214,24 @@ module Gitlab
end
end
+ def discard_inserted_comments(comments, last_note)
+ last_note_attrs = nil
+
+ cut_off_index = comments.find_index do |raw|
+ comment = CommentFormatter.new(project, raw)
+ comment_attrs = comment.attributes
+ last_note_attrs ||= last_note.slice(*comment_attrs.keys)
+
+ comment_attrs.with_indifferent_access == last_note_attrs
+ end
+
+ # No matching resource in the collection, which means we got halted right on the end of the last page, so all good
+ return unless cut_off_index
+
+ # Otherwise, remove the resouces we've already inserted
+ comments.shift(cut_off_index + 1)
+ end
+
def import_wiki
unless project.wiki.repository_exists?
wiki = WikiFormatter.new(project)
@@ -192,7 +247,7 @@ module Gitlab
end
def import_releases
- client.releases(repo, per_page: 100) do |releases|
+ client.releases(repo, page: current_page(:releases), per_page: 100) do |releases|
releases.each do |raw|
begin
gh_release = ReleaseFormatter.new(project, raw)
@@ -201,7 +256,39 @@ module Gitlab
errors << { type: :release, url: Gitlab::UrlSanitizer.sanitize(raw.url), errors: e.message }
end
end
+
+ increment_page(:releases)
end
+
+ imported!(:releases)
+ end
+
+ def imported?(resource_type)
+ Rails.cache.read("#{cache_key_prefix}:#{resource_type}:imported")
+ end
+
+ def imported!(resource_type)
+ Rails.cache.write("#{cache_key_prefix}:#{resource_type}:imported", true, ex: 1.day)
+ end
+
+ def increment_page(resource_type)
+ key = "#{cache_key_prefix}:#{resource_type}:current-page"
+
+ # Rails.cache.increment calls INCRBY directly on the value stored under the key, which is
+ # a serialized ActiveSupport::Cache::Entry, so it will return an error by Redis, hence this ugly work-around
+ page = Rails.cache.read(key)
+ page += 1
+ Rails.cache.write(key, page)
+
+ page
+ end
+
+ def current_page(resource_type)
+ Rails.cache.fetch("#{cache_key_prefix}:#{resource_type}:current-page", ex: 1.day) { 1 }
+ end
+
+ def cache_key_prefix
+ @cache_key_prefix ||= "github-import:#{project.id}"
end
end
end
diff --git a/lib/gitlab/github_import/issue_formatter.rb b/lib/gitlab/github_import/issue_formatter.rb
index 77621de9f4c..8c32ac59fc5 100644
--- a/lib/gitlab/github_import/issue_formatter.rb
+++ b/lib/gitlab/github_import/issue_formatter.rb
@@ -20,8 +20,12 @@ module Gitlab
raw_data.comments > 0
end
- def klass
- Issue
+ def project_association
+ :issues
+ end
+
+ def find_condition
+ { iid: number }
end
def number
diff --git a/lib/gitlab/github_import/label_formatter.rb b/lib/gitlab/github_import/label_formatter.rb
index 942dfb3312b..002494739e9 100644
--- a/lib/gitlab/github_import/label_formatter.rb
+++ b/lib/gitlab/github_import/label_formatter.rb
@@ -9,8 +9,8 @@ module Gitlab
}
end
- def klass
- Label
+ def project_association
+ :labels
end
def create!
diff --git a/lib/gitlab/github_import/milestone_formatter.rb b/lib/gitlab/github_import/milestone_formatter.rb
index b2fa524cf5b..401dd962521 100644
--- a/lib/gitlab/github_import/milestone_formatter.rb
+++ b/lib/gitlab/github_import/milestone_formatter.rb
@@ -14,8 +14,12 @@ module Gitlab
}
end
- def klass
- Milestone
+ def project_association
+ :milestones
+ end
+
+ def find_condition
+ { iid: raw_data.number }
end
private
diff --git a/lib/gitlab/github_import/pull_request_formatter.rb b/lib/gitlab/github_import/pull_request_formatter.rb
index 1408683100f..b9a227fb11a 100644
--- a/lib/gitlab/github_import/pull_request_formatter.rb
+++ b/lib/gitlab/github_import/pull_request_formatter.rb
@@ -24,8 +24,12 @@ module Gitlab
}
end
- def klass
- MergeRequest
+ def project_association
+ :merge_requests
+ end
+
+ def find_condition
+ { iid: number }
end
def number
diff --git a/lib/gitlab/github_import/release_formatter.rb b/lib/gitlab/github_import/release_formatter.rb
index 73d643b00ad..1ad702a6058 100644
--- a/lib/gitlab/github_import/release_formatter.rb
+++ b/lib/gitlab/github_import/release_formatter.rb
@@ -11,8 +11,12 @@ module Gitlab
}
end
- def klass
- Release
+ def project_association
+ :releases
+ end
+
+ def find_condition
+ { tag: raw_data.tag_name }
end
def valid?
diff --git a/spec/lib/gitlab/github_import/importer_spec.rb b/spec/lib/gitlab/github_import/importer_spec.rb
index 84f280ceaae..7478f86bd28 100644
--- a/spec/lib/gitlab/github_import/importer_spec.rb
+++ b/spec/lib/gitlab/github_import/importer_spec.rb
@@ -2,6 +2,10 @@ require 'spec_helper'
describe Gitlab::GithubImport::Importer, lib: true do
describe '#execute' do
+ before do
+ allow(Rails).to receive(:cache).and_return(ActiveSupport::Cache::MemoryStore.new)
+ end
+
context 'when an error occurs' do
let(:project) { create(:project, import_url: 'https://github.com/octocat/Hello-World.git', wiki_access_level: ProjectFeature::DISABLED) }
let(:octocat) { double(id: 123456, login: 'octocat') }
@@ -152,10 +156,9 @@ describe Gitlab::GithubImport::Importer, lib: true do
message: 'The remote data could not be fully imported.',
errors: [
{ type: :label, url: "https://api.github.com/repos/octocat/Hello-World/labels/bug", errors: "Validation failed: Title can't be blank, Title is invalid" },
- { type: :milestone, url: "https://api.github.com/repos/octocat/Hello-World/milestones/1", errors: "Validation failed: Title has already been taken" },
{ type: :issue, url: "https://api.github.com/repos/octocat/Hello-World/issues/1348", errors: "Validation failed: Title can't be blank, Title is too short (minimum is 0 characters)" },
{ type: :pull_request, url: "https://api.github.com/repos/octocat/Hello-World/pulls/1347", errors: "Invalid Repository. Use user/repo format." },
- { type: :pull_request, url: "https://api.github.com/repos/octocat/Hello-World/pulls/1347", errors: "Validation failed: Validate branches Cannot Create: This merge request already exists: [\"New feature\"]" },
+ { type: :pull_request, url: "https://api.github.com/repos/octocat/Hello-World/pulls/1347", errors: "Invalid Repository. Use user/repo format." },
{ type: :wiki, errors: "Gitlab::Shell::Error" },
{ type: :release, url: 'https://api.github.com/repos/octocat/Hello-World/releases/2', errors: "Validation failed: Description can't be blank" }
]