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# frozen_string_literal: true
module Gitlab
module BitbucketImport
module ParallelScheduling
include Loggable
include ErrorTracking
attr_reader :project, :already_enqueued_cache_key, :job_waiter_cache_key
# The base cache key to use for tracking already enqueued objects.
ALREADY_ENQUEUED_CACHE_KEY =
'bitbucket-importer/already-enqueued/%{project}/%{collection}'
# The base cache key to use for storing job waiter key
JOB_WAITER_CACHE_KEY =
'bitbucket-importer/job-waiter/%{project}/%{collection}'
BATCH_SIZE = 100
# project - An instance of `Project`.
def initialize(project)
@project = project
@already_enqueued_cache_key =
format(ALREADY_ENQUEUED_CACHE_KEY, project: project.id, collection: collection_method)
@job_waiter_cache_key =
format(JOB_WAITER_CACHE_KEY, project: project.id, collection: collection_method)
end
private
def client
@client ||= Bitbucket::Client.new(project.import_data.credentials)
end
# Returns the ID to use for the cache used for checking if an object has
# already been enqueued or not.
#
# object - The object we may want to import.
def id_for_already_enqueued_cache(object)
raise NotImplementedError
end
# The Sidekiq worker class used for scheduling the importing of objects in
# parallel.
def sidekiq_worker_class
raise NotImplementedError
end
# The name of the method to call to retrieve the data to import.
def collection_method
raise NotImplementedError
end
def job_waiter
@job_waiter ||= begin
key = Gitlab::Cache::Import::Caching.read(job_waiter_cache_key)
key ||= Gitlab::Cache::Import::Caching.write(job_waiter_cache_key, JobWaiter.generate_key)
JobWaiter.new(0, key)
end
end
def already_enqueued?(object)
id = id_for_already_enqueued_cache(object)
Gitlab::Cache::Import::Caching.set_includes?(already_enqueued_cache_key, id)
end
# Marks the given object as "already enqueued".
def mark_as_enqueued(object)
id = id_for_already_enqueued_cache(object)
Gitlab::Cache::Import::Caching.set_add(already_enqueued_cache_key, id)
end
def calculate_job_delay(job_index)
multiplier = (job_index / BATCH_SIZE)
(multiplier * 1.minute) + 1.second
end
end
end
end
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