81 lines
2.7 KiB
Ruby
81 lines
2.7 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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module JiraImport
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class IssuesImporter < BaseImporter
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# Jira limits max items per request to be fetched to 100
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# see https://jira.atlassian.com/browse/JRACLOUD-67570
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# We set it to 1000 in case they change their mind.
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BATCH_SIZE = 1000
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attr_reader :imported_items_cache_key, :start_at, :job_waiter
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def initialize(project)
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super
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# get cached start_at value, or zero if not cached yet
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@start_at = Gitlab::JiraImport.get_issues_next_start_at(project.id)
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@imported_items_cache_key = JiraImport.already_imported_cache_key(:issues, project.id)
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@job_waiter = JobWaiter.new
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end
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def execute
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import_issues
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end
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private
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def import_issues
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return job_waiter if jira_last_page_reached?
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issues = fetch_issues(start_at)
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update_start_at_with(issues)
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schedule_issue_import_workers(issues)
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end
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def jira_last_page_reached?
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start_at < 0
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end
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def update_start_at_with(issues)
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@start_at += issues.size
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# store -1 if this is the last page to be imported, so no more `ImportIssuesWorker` workers are scheduled
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# from Gitlab::JiraImport::Stage::ImportIssuesWorker#perform
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@start_at = -1 if issues.blank?
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Gitlab::JiraImport.store_issues_next_started_at(project.id, start_at)
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end
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def schedule_issue_import_workers(issues)
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next_iid = project.issues.maximum(:iid).to_i + 1
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issues.each do |jira_issue|
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# Technically it's possible that the same work is performed multiple
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# times, as Sidekiq doesn't guarantee there will ever only be one
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# instance of a job or if for some reason the paginated results
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# returned from Jira include issues there were returned before.
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# For such cases we exit early if issue was already imported.
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next if already_imported?(jira_issue.id)
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issue_attrs = IssueSerializer.new(project, jira_issue, { iid: next_iid }).execute
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Gitlab::JiraImport::ImportIssueWorker.perform_async(project.id, jira_issue.id, issue_attrs, job_waiter.key)
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job_waiter.jobs_remaining += 1
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next_iid += 1
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# Mark the issue as imported immediately so we don't end up
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# importing it multiple times within same import.
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# These ids are cleaned-up when import finishes.
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# see Gitlab::JiraImport::Stage::FinishImportWorker
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mark_as_imported(jira_issue.id)
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end
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job_waiter
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end
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def fetch_issues(start_at)
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client.Issue.jql("PROJECT='#{jira_project_key}' ORDER BY created ASC", { max_results: BATCH_SIZE, start_at: start_at })
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end
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end
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end
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end
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