Add latest changes from gitlab-org/gitlab@master

1 files changed, 126 insertions, 0 deletions

diff --git a/app/services/incident_management/create_issue_service.rb b/app/services/incident_management/create_issue_service.rb
new file mode 100644
index 00000000000..94b6f037924
--- /dev/null
+++ b/app/services/incident_management/create_issue_service.rb
@@ -0,0 +1,126 @@
+# frozen_string_literal: true
+
+module IncidentManagement
+  class CreateIssueService < BaseService
+    include Gitlab::Utils::StrongMemoize
+
+    INCIDENT_LABEL = {
+      title: 'incident',
+      color: '#CC0033',
+      description: <<~DESCRIPTION.chomp
+        Denotes a disruption to IT services and \
+        the associated issues require immediate attention
+      DESCRIPTION
+    }.freeze
+
+    def initialize(project, params)
+      super(project, User.alert_bot, params)
+    end
+
+    def execute
+      return error_with('setting disabled') unless incident_management_setting.create_issue?
+      return error_with('invalid alert') unless alert.valid?
+
+      issue = create_issue
+      return error_with(issue_errors(issue)) unless issue.valid?
+
+      success(issue: issue)
+    end
+
+    private
+
+    def create_issue
+      issue = do_create_issue(label_ids: issue_label_ids)
+
+      # Create an unlabelled issue if we couldn't create the issue
+      # due to labels errors.
+      # See https://gitlab.com/gitlab-org/gitlab-foss/issues/65042
+      if issue.errors.include?(:labels)
+        log_label_error(issue)
+        issue = do_create_issue
+      end
+
+      issue
+    end
+
+    def do_create_issue(**params)
+      Issues::CreateService.new(
+        project,
+        current_user,
+        title: issue_title,
+        description: issue_description,
+        **params
+      ).execute
+    end
+
+    def issue_title
+      alert.full_title
+    end
+
+    def issue_description
+      horizontal_line = "\n---\n\n"
+
+      [
+        alert_summary,
+        alert_markdown,
+        issue_template_content
+      ].compact.join(horizontal_line)
+    end
+
+    def issue_label_ids
+      [
+        find_or_create_label(**INCIDENT_LABEL)
+      ].compact.map(&:id)
+    end
+
+    def find_or_create_label(**params)
+      Labels::FindOrCreateService
+        .new(current_user, project, **params)
+        .execute
+    end
+
+    def alert_summary
+      alert.issue_summary_markdown
+    end
+
+    def alert_markdown
+      alert.alert_markdown
+    end
+
+    def alert
+      strong_memoize(:alert) do
+        Gitlab::Alerting::Alert.new(project: project, payload: params).present
+      end
+    end
+
+    def issue_template_content
+      incident_management_setting.issue_template_content
+    end
+
+    def incident_management_setting
+      strong_memoize(:incident_management_setting) do
+        project.incident_management_setting ||
+          project.build_incident_management_setting
+      end
+    end
+
+    def issue_errors(issue)
+      issue.errors.full_messages.to_sentence
+    end
+
+    def log_label_error(issue)
+      log_info <<~TEXT.chomp
+        Cannot create incident issue with labels \
+        #{issue.labels.map(&:title).inspect} \
+        for "#{project.full_name}": #{issue.errors.full_messages.to_sentence}.
+        Retrying without labels.
+      TEXT
+    end
+
+    def error_with(message)
+      log_error(%{Cannot create incident issue for "#{project.full_name}": #{message}})
+
+      error(message)
+    end
+  end
+end