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# frozen_string_literal: true
namespace :gitlab do
namespace :snippets do
DEFAULT_LIMIT = 100
# @example
# bundle exec rake gitlab:snippets:migrate SNIPPET_IDS=1,2,3,4
# bundle exec rake gitlab:snippets:migrate SNIPPET_IDS=1,2,3,4 LIMIT=50
desc 'GitLab | Migrate specific snippets to git'
task :migrate, [:ids] => :environment do |_, args|
unless ENV['SNIPPET_IDS'].presence
raise "Please supply the list of ids through the SNIPPET_IDS env var"
end
raise "Invalid limit value" if snippet_task_limit == 0
if migration_running?
raise "There are already snippet migrations running. Please wait until they are finished."
end
ids = parse_snippet_ids!
puts "Starting the migration..."
Gitlab::BackgroundMigration::BackfillSnippetRepositories.new.perform_by_ids(ids)
list_non_migrated = non_migrated_snippets.where(id: ids)
if list_non_migrated.exists?
puts "The following snippets couldn't be migrated:"
puts list_non_migrated.pluck(:id).join(',')
else
puts "All snippets were migrated successfully"
end
end
def parse_snippet_ids!
ids = ENV['SNIPPET_IDS'].delete(' ').split(',').map do |id|
id.to_i.tap do |value|
raise "Invalid id provided" if value == 0
end
end
if ids.size > snippet_task_limit
raise "The number of ids provided is higher than #{snippet_task_limit}. You can update this limit by using the env var `LIMIT`"
end
ids
end
# @example
# bundle exec rake gitlab:snippets:migration_status
desc 'GitLab | Show whether there are snippet background migrations running'
task migration_status: :environment do
if migration_running?
puts "There are snippet migrations running"
else
puts "There are no snippet migrations running"
end
end
def migration_running?
Sidekiq::ScheduledSet.new.any? { |r| r.klass == 'BackgroundMigrationWorker' && r.args[0] == 'BackfillSnippetRepositories' }
end
# @example
# bundle exec rake gitlab:snippets:list_non_migrated
# bundle exec rake gitlab:snippets:list_non_migrated LIMIT=50
desc 'GitLab | Show non migrated snippets'
task list_non_migrated: :environment do
raise "Invalid limit value" if snippet_task_limit == 0
non_migrated_count = non_migrated_snippets.count
if non_migrated_count == 0
puts "All snippets have been successfully migrated"
else
puts "There are #{non_migrated_count} snippets that haven't been migrated. Showing a batch of ids of those snippets:\n"
puts non_migrated_snippets.limit(snippet_task_limit).pluck(:id).join(',')
end
end
def non_migrated_snippets
@non_migrated_snippets ||= Snippet.select(:id).where.not(id: SnippetRepository.select(:snippet_id))
end
# There are problems with the specs if we memoize this value
def snippet_task_limit
ENV['LIMIT'] ? ENV['LIMIT'].to_i : DEFAULT_LIMIT
end
end
end
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